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/*
* parserold.c : the 1.8.11 XML parser core added for compatibility
*
* See Copyright for the status of this software.
*
* Daniel.Veillard@w3.org
*/
#ifdef WIN32
#include "win32config.h"
#else
#include "config.h"
#endif
#include <stdio.h>
#include <string.h> /* for memset() only */
#ifdef HAVE_CTYPE_H
#include <ctype.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_ZLIB_H
#include <zlib.h>
#endif
#include "xmlmemory.h"
#include "tree.h"
#include "parser.h"
#include "entities.h"
#include "encoding.h"
#include "valid.h"
#include "parserInternals.h"
#include "xmlIO.h"
#include "xml-error.h"
#define XML_PARSER_BIG_BUFFER_SIZE 1000
#define XML_PARSER_BUFFER_SIZE 100
/*
* List of XML prefixed PI allowed by W3C specs
*/
static const char *xmlW3CPIs[] = {
"xml-stylesheet",
NULL
};
/************************************************************************
* *
* Tweaks for plugging in the old parser *
* *
************************************************************************/
static void xmlOldFreeInputStream(xmlParserInputPtr input);
static xmlChar * xmlOldParseName(xmlParserCtxtPtr ctxt);
static xmlEntityPtr xmlOldParseEntityRef(xmlParserCtxtPtr ctxt);
static void xmlOldParsePEReference(xmlParserCtxtPtr ctxt);
static void xmlOldParseReference(xmlParserCtxtPtr ctxt);
static xmlChar * xmlOldParseVersionInfo(xmlParserCtxtPtr ctxt);
static xmlChar * xmlOldParseEncodingDecl(xmlParserCtxtPtr ctxt);
static void xmlOldParseElement(xmlParserCtxtPtr ctxt);
static xmlChar * xmlOldScanName(xmlParserCtxtPtr ctxt);
static xmlEntityPtr
xmlOldParseStringEntityRef(xmlParserCtxtPtr ctxt, const xmlChar ** str);
static xmlEntityPtr
xmlOldParseStringPEReference(xmlParserCtxtPtr ctxt, const xmlChar **str);
extern xmlChar * xmlCharStrdup(const char *cur);
/************************************************************************
* *
* Input handling functions for progressive parsing *
* *
************************************************************************/
/* #define DEBUG_INPUT */
/* #define DEBUG_STACK */
/* #define DEBUG_PUSH */
#define INPUT_CHUNK 250
/* we need to keep enough input to show errors in context */
#define LINE_LEN 80
#ifdef DEBUG_INPUT
#define CHECK_BUFFER(in) check_buffer(in)
static void old_check_buffer(xmlParserInputPtr in) {
if (in->base != in->buf->buffer->content) {
fprintf(stderr, "xmlParserInput: base mismatch problem\n");
}
if (in->cur < in->base) {
fprintf(stderr, "xmlParserInput: cur < base problem\n");
}
if (in->cur > in->base + in->buf->buffer->use) {
fprintf(stderr, "xmlParserInput: cur > base + use problem\n");
}
fprintf(stderr,"buffer %x : content %x, cur %d, use %d, size %d\n",
(int) in, (int) in->buf->buffer->content, in->cur - in->base,
in->buf->buffer->use, in->buf->buffer->size);
}
#else
#define CHECK_BUFFER(in)
#endif
/**
* xmlOldParserInputRead:
* @in: an XML parser input
* @len: an indicative size for the lookahead
*
* This function refresh the input for the parser. It doesn't try to
* preserve pointers to the input buffer, and discard already read data
*
* Returns the number of xmlChars read, or -1 in case of error, 0 indicate the
* end of this entity
*/
static int
xmlOldParserInputRead(xmlParserInputPtr in, int len) {
int ret;
int used;
int index;
#ifdef DEBUG_INPUT
fprintf(stderr, "Read\n");
#endif
if (in->buf == NULL) return(-1);
if (in->base == NULL) return(-1);
if (in->cur == NULL) return(-1);
if (in->buf->buffer == NULL) return(-1);
CHECK_BUFFER(in);
used = in->cur - in->buf->buffer->content;
ret = xmlBufferShrink(in->buf->buffer, used);
if (ret > 0) {
in->cur -= ret;
in->consumed += ret;
}
ret = xmlParserInputBufferRead(in->buf, len);
if (in->base != in->buf->buffer->content) {
/*
* the buffer has been realloced
*/
index = in->cur - in->base;
in->base = in->buf->buffer->content;
in->cur = &in->buf->buffer->content[index];
}
CHECK_BUFFER(in);
return(ret);
}
/**
* xmlOldParserInputGrow:
* @in: an XML parser input
* @len: an indicative size for the lookahead
*
* This function increase the input for the parser. It tries to
* preserve pointers to the input buffer, and keep already read data
*
* Returns the number of xmlChars read, or -1 in case of error, 0 indicate the
* end of this entity
*/
static int
xmlOldParserInputGrow(xmlParserInputPtr in, int len) {
int ret;
int index;
#ifdef DEBUG_INPUT
fprintf(stderr, "Grow\n");
#endif
if (in->buf == NULL) return(-1);
if (in->base == NULL) return(-1);
if (in->cur == NULL) return(-1);
if (in->buf->buffer == NULL) return(-1);
CHECK_BUFFER(in);
index = in->cur - in->base;
if (in->buf->buffer->use > index + INPUT_CHUNK) {
CHECK_BUFFER(in);
return(0);
}
if ((in->buf->httpIO != NULL) || (in->buf->ftpIO != NULL) ||
(in->buf->file != NULL) ||
#ifdef HAVE_ZLIB_H
(in->buf->gzfile != NULL) ||
#endif
(in->buf->fd >= 0))
ret = xmlParserInputBufferGrow(in->buf, len);
else
return(0);
/*
* NOTE : in->base may be a "dandling" i.e. freed pointer in this
* block, but we use it really as an integer to do some
* pointer arithmetic. Insure will raise it as a bug but in
* that specific case, that's not !
*/
if (in->base != in->buf->buffer->content) {
/*
* the buffer has been realloced
*/
index = in->cur - in->base;
in->base = in->buf->buffer->content;
in->cur = &in->buf->buffer->content[index];
}
CHECK_BUFFER(in);
return(ret);
}
/**
* xmlOldParserInputShrink:
* @in: an XML parser input
*
* This function removes used input for the parser.
*/
static void
xmlOldParserInputShrink(xmlParserInputPtr in) {
int used;
int ret;
int index;
#ifdef DEBUG_INPUT
fprintf(stderr, "Shrink\n");
#endif
if (in->buf == NULL) return;
if (in->base == NULL) return;
if (in->cur == NULL) return;
if (in->buf->buffer == NULL) return;
CHECK_BUFFER(in);
used = in->cur - in->buf->buffer->content;
if (used > INPUT_CHUNK) {
ret = xmlBufferShrink(in->buf->buffer, used - LINE_LEN);
if (ret > 0) {
in->cur -= ret;
in->consumed += ret;
}
}
CHECK_BUFFER(in);
if (in->buf->buffer->use > INPUT_CHUNK) {
return;
}
xmlParserInputBufferRead(in->buf, 2 * INPUT_CHUNK);
if (in->base != in->buf->buffer->content) {
/*
* the buffer has been realloced
*/
index = in->cur - in->base;
in->base = in->buf->buffer->content;
in->cur = &in->buf->buffer->content[index];
}
CHECK_BUFFER(in);
}
/************************************************************************
* *
* Parser stacks related functions and macros *
* *
************************************************************************/
extern int xmlSubstituteEntitiesDefaultValue;
extern int xmlDoValidityCheckingDefaultValue;
extern int xmlKeepBlanksDefaultValue;
xmlEntityPtr xmlOldParseStringEntityRef(xmlParserCtxtPtr ctxt,
const xmlChar ** str);
/*
* Generic function for accessing stacks in the Parser Context
*/
#define PUSH_AND_POP(scope, type, name) \
scope int name##OldPush(xmlParserCtxtPtr ctxt, type value) { \
if (ctxt->name##Nr >= ctxt->name##Max) { \
ctxt->name##Max *= 2; \
ctxt->name##Tab = (void *) xmlRealloc(ctxt->name##Tab, \
ctxt->name##Max * sizeof(ctxt->name##Tab[0])); \
if (ctxt->name##Tab == NULL) { \
fprintf(stderr, "realloc failed !\n"); \
return(0); \
} \
} \
ctxt->name##Tab[ctxt->name##Nr] = value; \
ctxt->name = value; \
return(ctxt->name##Nr++); \
} \
scope type name##OldPop(xmlParserCtxtPtr ctxt) { \
type ret; \
if (ctxt->name##Nr <= 0) return(0); \
ctxt->name##Nr--; \
if (ctxt->name##Nr > 0) \
ctxt->name = ctxt->name##Tab[ctxt->name##Nr - 1]; \
else \
ctxt->name = NULL; \
ret = ctxt->name##Tab[ctxt->name##Nr]; \
ctxt->name##Tab[ctxt->name##Nr] = 0; \
return(ret); \
} \
PUSH_AND_POP(static, xmlParserInputPtr, input)
PUSH_AND_POP(static, xmlNodePtr, node)
PUSH_AND_POP(static, xmlChar*, name)
/*
* Macros for accessing the content. Those should be used only by the parser,
* and not exported.
*
* Dirty macros, i.e. one need to make assumption on the context to use them
*
* CUR_PTR return the current pointer to the xmlChar to be parsed.
* CUR returns the current xmlChar value, i.e. a 8 bit value if compiled
* in ISO-Latin or UTF-8, and the current 16 bit value if compiled
* in UNICODE mode. This should be used internally by the parser
* only to compare to ASCII values otherwise it would break when
* running with UTF-8 encoding.
* NXT(n) returns the n'th next xmlChar. Same as CUR is should be used only
* to compare on ASCII based substring.
* SKIP(n) Skip n xmlChar, and must also be used only to skip ASCII defined
* strings within the parser.
*
* Clean macros, not dependent of an ASCII context, expect UTF-8 encoding
*
* CURRENT Returns the current char value, with the full decoding of
* UTF-8 if we are using this mode. It returns an int.
* NEXT Skip to the next character, this does the proper decoding
* in UTF-8 mode. It also pop-up unfinished entities on the fly.
* COPY(to) copy one char to *to, increment CUR_PTR and to accordingly
*/
#define RAW (ctxt->token ? -1 : (*ctxt->input->cur))
#define CUR (ctxt->token ? ctxt->token : (*ctxt->input->cur))
#define SKIP(val) ctxt->nbChars += (val),ctxt->input->cur += (val)
#define NXT(val) ctxt->input->cur[(val)]
#define CUR_PTR ctxt->input->cur
#define SHRINK xmlOldParserInputShrink(ctxt->input); \
if ((*ctxt->input->cur == 0) && \
(xmlOldParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) \
xmlOldPopInput(ctxt)
#define GROW xmlOldParserInputGrow(ctxt->input, INPUT_CHUNK); \
if ((*ctxt->input->cur == 0) && \
(xmlOldParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) \
xmlOldPopInput(ctxt)
#define SKIP_BLANKS \
do { \
while (IS_BLANK(CUR)) NEXT; \
while ((CUR == 0) && (ctxt->inputNr > 1)) \
xmlOldPopInput(ctxt); \
if (*ctxt->input->cur == '%') xmlOldParserHandlePEReference(ctxt); \
if (*ctxt->input->cur == '&') xmlOldParserHandleReference(ctxt); \
} while (IS_BLANK(CUR));
#define CURRENT (*ctxt->input->cur)
#define NEXT { \
if (ctxt->token != 0) ctxt->token = 0; \
else { \
if ((*ctxt->input->cur == 0) && \
(xmlOldParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) { \
xmlOldPopInput(ctxt); \
} else { \
if (*(ctxt->input->cur) == '\n') { \
ctxt->input->line++; ctxt->input->col = 1; \
} else ctxt->input->col++; \
ctxt->input->cur++; \
ctxt->nbChars++; \
if (*ctxt->input->cur == 0) \
xmlOldParserInputGrow(ctxt->input, INPUT_CHUNK); \
} \
if (*ctxt->input->cur == '%') xmlOldParserHandlePEReference(ctxt); \
if (*ctxt->input->cur == '&') xmlOldParserHandleReference(ctxt); \
}}
/************************************************************************
* *
* Commodity functions to handle entities processing *
* *
************************************************************************/
/**
* xmlOldPopInput:
* @ctxt: an XML parser context
*
* xmlOldPopInput: the current input pointed by ctxt->input came to an end
* pop it and return the next char.
*
* Returns the current xmlChar in the parser context
*/
static xmlChar
xmlOldPopInput(xmlParserCtxtPtr ctxt) {
if (ctxt->inputNr == 1) return(0); /* End of main Input */
xmlOldFreeInputStream(inputOldPop(ctxt));
if ((*ctxt->input->cur == 0) &&
(xmlOldParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0))
return(xmlOldPopInput(ctxt));
return(CUR);
}
/**
* xmlOldPushInput:
* @ctxt: an XML parser context
* @input: an XML parser input fragment (entity, XML fragment ...).
*
* xmlOldPushInput: switch to a new input stream which is stacked on top
* of the previous one(s).
*/
void
xmlOldPushInput(xmlParserCtxtPtr ctxt, xmlParserInputPtr input) {
if (input == NULL) return;
inputOldPush(ctxt, input);
}
/**
* xmlOldFreeInputStream:
* @input: an xmlParserInputPtr
*
* Free up an input stream.
*/
static void
xmlOldFreeInputStream(xmlParserInputPtr input) {
if (input == NULL) return;
if (input->filename != NULL) xmlFree((char *) input->filename);
if (input->directory != NULL) xmlFree((char *) input->directory);
if ((input->free != NULL) && (input->base != NULL))
input->free((xmlChar *) input->base);
if (input->buf != NULL)
xmlFreeParserInputBuffer(input->buf);
memset(input, -1, sizeof(xmlParserInput));
xmlFree(input);
}
/**
* xmlOldNewInputStream:
* @ctxt: an XML parser context
*
* Create a new input stream structure
* Returns the new input stream or NULL
*/
static xmlParserInputPtr
xmlOldNewInputStream(xmlParserCtxtPtr ctxt) {
xmlParserInputPtr input;
input = (xmlParserInputPtr) xmlMalloc(sizeof(xmlParserInput));
if (input == NULL) {
ctxt->errNo = XML_ERR_NO_MEMORY;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"malloc: couldn't allocate a new input stream\n");
ctxt->errNo = XML_ERR_NO_MEMORY;
return(NULL);
}
input->filename = NULL;
input->directory = NULL;
input->base = NULL;
input->cur = NULL;
input->buf = NULL;
input->line = 1;
input->col = 1;
input->buf = NULL;
input->free = NULL;
input->consumed = 0;
input->length = 0;
return(input);
}
/**
* xmlOldNewEntityInputStream:
* @ctxt: an XML parser context
* @entity: an Entity pointer
*
* Create a new input stream based on an xmlEntityPtr
*
* Returns the new input stream or NULL
*/
static xmlParserInputPtr
xmlOldNewEntityInputStream(xmlParserCtxtPtr ctxt, xmlEntityPtr entity) {
xmlParserInputPtr input;
if (entity == NULL) {
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"internal: xmlOldNewEntityInputStream entity = NULL\n");
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
return(NULL);
}
if (entity->content == NULL) {
switch (entity->type) {
case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlNewEntityInputStream unparsed entity !\n");
break;
case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
case XML_EXTERNAL_PARAMETER_ENTITY:
return(xmlLoadExternalEntity((char *) entity->SystemID,
(char *) entity->ExternalID, ctxt));
case XML_INTERNAL_GENERAL_ENTITY:
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Internal entity %s without content !\n", entity->name);
break;
case XML_INTERNAL_PARAMETER_ENTITY:
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Internal parameter entity %s without content !\n", entity->name);
break;
case XML_INTERNAL_PREDEFINED_ENTITY:
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Predefined entity %s without content !\n", entity->name);
break;
}
return(NULL);
}
input = xmlOldNewInputStream(ctxt);
if (input == NULL) {
return(NULL);
}
input->filename = (char *) entity->SystemID; /* TODO !!! char <- xmlChar */
input->base = entity->content;
input->cur = entity->content;
input->length = entity->length;
return(input);
}
/**
* xmlOldNewStringInputStream:
* @ctxt: an XML parser context
* @buffer: an memory buffer
*
* Create a new input stream based on a memory buffer.
* Returns the new input stream
*/
static xmlParserInputPtr
xmlOldNewStringInputStream(xmlParserCtxtPtr ctxt, const xmlChar *buffer) {
xmlParserInputPtr input;
if (buffer == NULL) {
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"internal: xmlOldNewStringInputStream string = NULL\n");
return(NULL);
}
input = xmlOldNewInputStream(ctxt);
if (input == NULL) {
return(NULL);
}
input->base = buffer;
input->cur = buffer;
input->length = xmlStrlen(buffer);
return(input);
}
/**
* xmlOldNewInputFromFile:
* @ctxt: an XML parser context
* @filename: the filename to use as entity
*
* Create a new input stream based on a file.
*
* Returns the new input stream or NULL in case of error
*/
static xmlParserInputPtr
xmlOldNewInputFromFile(xmlParserCtxtPtr ctxt, const char *filename) {
xmlParserInputBufferPtr buf;
xmlParserInputPtr inputStream;
char *directory = NULL;
if (ctxt == NULL) return(NULL);
buf = xmlParserInputBufferCreateFilename(filename, XML_CHAR_ENCODING_NONE);
if (buf == NULL) {
char name[XML_PARSER_BIG_BUFFER_SIZE];
if ((ctxt->input != NULL) && (ctxt->input->directory != NULL)) {
#ifdef WIN32
sprintf(name, "%s\\%s", ctxt->input->directory, filename);
#else
sprintf(name, "%s/%s", ctxt->input->directory, filename);
#endif
buf = xmlParserInputBufferCreateFilename(name,
XML_CHAR_ENCODING_NONE);
if (buf != NULL)
directory = xmlParserGetDirectory(name);
}
if ((buf == NULL) && (ctxt->directory != NULL)) {
#ifdef WIN32
sprintf(name, "%s\\%s", ctxt->directory, filename);
#else
sprintf(name, "%s/%s", ctxt->directory, filename);
#endif
buf = xmlParserInputBufferCreateFilename(name,
XML_CHAR_ENCODING_NONE);
if (buf != NULL)
directory = xmlParserGetDirectory(name);
}
if (buf == NULL)
return(NULL);
}
if (directory == NULL)
directory = xmlParserGetDirectory(filename);
inputStream = xmlOldNewInputStream(ctxt);
if (inputStream == NULL) {
if (directory != NULL) xmlFree((char *) directory);
return(NULL);
}
inputStream->filename = xmlMemStrdup(filename);
inputStream->directory = directory;
inputStream->buf = buf;
inputStream->base = inputStream->buf->buffer->content;
inputStream->cur = inputStream->buf->buffer->content;
if ((ctxt->directory == NULL) && (directory != NULL))
ctxt->directory = (char *) xmlStrdup((const xmlChar *) directory);
return(inputStream);
}
/************************************************************************
* *
* Commodity functions to handle entities *
* *
************************************************************************/
static void xmlOldParserHandleReference(xmlParserCtxtPtr ctxt);
static void xmlOldParserHandlePEReference(xmlParserCtxtPtr ctxt);
xmlEntityPtr xmlOldParseStringPEReference(xmlParserCtxtPtr ctxt,
const xmlChar **str);
/**
* xmlOldParseCharRef:
* @ctxt: an XML parser context
*
* parse Reference declarations
*
* [66] CharRef ::= '&#' [0-9]+ ';' |
* '&#x' [0-9a-fA-F]+ ';'
*
* [ WFC: Legal Character ]
* Characters referred to using character references must match the
* production for Char.
*
* Returns the value parsed (as an int), 0 in case of error
*/
static int
xmlOldParseCharRef(xmlParserCtxtPtr ctxt) {
int val = 0;
if (ctxt->token != 0) {
val = ctxt->token;
ctxt->token = 0;
return(val);
}
if ((CUR == '&') && (NXT(1) == '#') &&
(NXT(2) == 'x')) {
SKIP(3);
while (CUR != ';') {
if ((CUR >= '0') && (CUR <= '9'))
val = val * 16 + (CUR - '0');
else if ((CUR >= 'a') && (CUR <= 'f'))
val = val * 16 + (CUR - 'a') + 10;
else if ((CUR >= 'A') && (CUR <= 'F'))
val = val * 16 + (CUR - 'A') + 10;
else {
ctxt->errNo = XML_ERR_INVALID_HEX_CHARREF;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseCharRef: invalid hexadecimal value\n");
ctxt->wellFormed = 0;
val = 0;
break;
}
NEXT;
}
if (CUR == ';')
SKIP(1); /* on purpose to avoid reentrancy problems with NEXT */
} else if ((CUR == '&') && (NXT(1) == '#')) {
SKIP(2);
while (CUR != ';') {
if ((CUR >= '0') && (CUR <= '9'))
val = val * 10 + (CUR - '0');
else {
ctxt->errNo = XML_ERR_INVALID_DEC_CHARREF;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseCharRef: invalid decimal value\n");
ctxt->wellFormed = 0;
val = 0;
break;
}
NEXT;
}
if (CUR == ';')
SKIP(1); /* on purpose to avoid reentrancy problems with NEXT */
} else {
ctxt->errNo = XML_ERR_INVALID_CHARREF;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseCharRef: invalid value\n");
ctxt->wellFormed = 0;
}
/*
* [ WFC: Legal Character ]
* Characters referred to using character references must match the
* production for Char.
*/
if (IS_CHAR(val)) {
return(val);
} else {
ctxt->errNo = XML_ERR_INVALID_CHAR;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "CharRef: invalid xmlChar value %d\n",
val);
ctxt->wellFormed = 0;
}
return(0);
}
/**
* xmlOldParseStringCharRef:
* @ctxt: an XML parser context
* @str: a pointer to an index in the string
*
* parse Reference declarations, variant parsing from a string rather
* than an an input flow.
*
* [66] CharRef ::= '&#' [0-9]+ ';' |
* '&#x' [0-9a-fA-F]+ ';'
*
* [ WFC: Legal Character ]
* Characters referred to using character references must match the
* production for Char.
*
* Returns the value parsed (as an int), 0 in case of error, str will be
* updated to the current value of the index
*/
static int
xmlOldParseStringCharRef(xmlParserCtxtPtr ctxt, const xmlChar **str) {
const xmlChar *ptr;
xmlChar cur;
int val = 0;
if ((str == NULL) || (*str == NULL)) return(0);
ptr = *str;
cur = *ptr;
if ((cur == '&') && (ptr[1] == '#') && (ptr[2] == 'x')) {
ptr += 3;
cur = *ptr;
while (cur != ';') {
if ((cur >= '0') && (cur <= '9'))
val = val * 16 + (cur - '0');
else if ((cur >= 'a') && (cur <= 'f'))
val = val * 16 + (cur - 'a') + 10;
else if ((cur >= 'A') && (cur <= 'F'))
val = val * 16 + (cur - 'A') + 10;
else {
ctxt->errNo = XML_ERR_INVALID_HEX_CHARREF;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseCharRef: invalid hexadecimal value\n");
ctxt->wellFormed = 0;
val = 0;
break;
}
ptr++;
cur = *ptr;
}
if (cur == ';')
ptr++;
} else if ((cur == '&') && (ptr[1] == '#')){
ptr += 2;
cur = *ptr;
while (cur != ';') {
if ((cur >= '0') && (cur <= '9'))
val = val * 10 + (cur - '0');
else {
ctxt->errNo = XML_ERR_INVALID_DEC_CHARREF;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseCharRef: invalid decimal value\n");
ctxt->wellFormed = 0;
val = 0;
break;
}
ptr++;
cur = *ptr;
}
if (cur == ';')
ptr++;
} else {
ctxt->errNo = XML_ERR_INVALID_CHARREF;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseCharRef: invalid value\n");
ctxt->wellFormed = 0;
return(0);
}
*str = ptr;
/*
* [ WFC: Legal Character ]
* Characters referred to using character references must match the
* production for Char.
*/
if (IS_CHAR(val)) {
return(val);
} else {
ctxt->errNo = XML_ERR_INVALID_CHAR;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"CharRef: invalid xmlChar value %d\n", val);
ctxt->wellFormed = 0;
}
return(0);
}
/**
* xmlOldParserHandleReference:
* @ctxt: the parser context
*
* [67] Reference ::= EntityRef | CharRef
*
* [68] EntityRef ::= '&' Name ';'
*
* [ WFC: Entity Declared ]
* the Name given in the entity reference must match that in an entity
* declaration, except that well-formed documents need not declare any
* of the following entities: amp, lt, gt, apos, quot.
*
* [ WFC: Parsed Entity ]
* An entity reference must not contain the name of an unparsed entity
*
* [66] CharRef ::= '&#' [0-9]+ ';' |
* '&#x' [0-9a-fA-F]+ ';'
*
* A PEReference may have been detectect in the current input stream
* the handling is done accordingly to
* http://www.w3.org/TR/REC-xml#entproc
*/
static void
xmlOldParserHandleReference(xmlParserCtxtPtr ctxt) {
xmlParserInputPtr input;
xmlChar *name;
xmlEntityPtr ent = NULL;
if (ctxt->token != 0) {
return;
}
if (CUR != '&') return;
GROW;
if ((CUR == '&') && (NXT(1) == '#')) {
switch(ctxt->instate) {
case XML_PARSER_ENTITY_DECL:
case XML_PARSER_PI:
case XML_PARSER_CDATA_SECTION:
case XML_PARSER_COMMENT:
/* we just ignore it there */
return;
case XML_PARSER_START_TAG:
return;
case XML_PARSER_END_TAG:
return;
case XML_PARSER_EOF:
ctxt->errNo = XML_ERR_CHARREF_AT_EOF;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "CharRef at EOF\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_PROLOG:
case XML_PARSER_START:
case XML_PARSER_MISC:
ctxt->errNo = XML_ERR_CHARREF_IN_PROLOG;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "CharRef in prolog!\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_EPILOG:
ctxt->errNo = XML_ERR_CHARREF_IN_EPILOG;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "CharRef in epilog!\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_DTD:
ctxt->errNo = XML_ERR_CHARREF_IN_DTD;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"CharRef are forbiden in DTDs!\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_ENTITY_VALUE:
/*
* NOTE: in the case of entity values, we don't do the
* substitution here since we need the literal
* entity value to be able to save the internal
* subset of the document.
* This will be handled by xmlOldDecodeEntities
*/
return;
case XML_PARSER_CONTENT:
case XML_PARSER_ATTRIBUTE_VALUE:
/* !!! this may not be Ok for UTF-8, multibyte sequence */
ctxt->token = xmlOldParseCharRef(ctxt);
return;
}
return;
}
switch(ctxt->instate) {
case XML_PARSER_CDATA_SECTION:
return;
case XML_PARSER_PI:
case XML_PARSER_COMMENT:
return;
case XML_PARSER_START_TAG:
return;
case XML_PARSER_END_TAG:
return;
case XML_PARSER_EOF:
ctxt->errNo = XML_ERR_ENTITYREF_AT_EOF;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Reference at EOF\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_PROLOG:
case XML_PARSER_START:
case XML_PARSER_MISC:
ctxt->errNo = XML_ERR_ENTITYREF_IN_PROLOG;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Reference in prolog!\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_EPILOG:
ctxt->errNo = XML_ERR_ENTITYREF_IN_EPILOG;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Reference in epilog!\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_ENTITY_VALUE:
/*
* NOTE: in the case of entity values, we don't do the
* substitution here since we need the literal
* entity value to be able to save the internal
* subset of the document.
* This will be handled by xmlOldDecodeEntities
*/
return;
case XML_PARSER_ATTRIBUTE_VALUE:
/*
* NOTE: in the case of attributes values, we don't do the
* substitution here unless we are in a mode where
* the parser is explicitely asked to substitute
* entities. The SAX callback is called with values
* without entity substitution.
* This will then be handled by xmlOldDecodeEntities
*/
return;
case XML_PARSER_ENTITY_DECL:
/*
* we just ignore it there
* the substitution will be done once the entity is referenced
*/
return;
case XML_PARSER_DTD:
ctxt->errNo = XML_ERR_ENTITYREF_IN_DTD;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Entity references are forbiden in DTDs!\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_CONTENT:
return;
}
NEXT;
name = xmlOldScanName(ctxt);
if (name == NULL) {
ctxt->errNo = XML_ERR_ENTITYREF_NO_NAME;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Entity reference: no name\n");
ctxt->wellFormed = 0;
ctxt->token = '&';
return;
}
if (NXT(xmlStrlen(name)) != ';') {
ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Entity reference: ';' expected\n");
ctxt->wellFormed = 0;
ctxt->token = '&';
xmlFree(name);
return;
}
SKIP(xmlStrlen(name) + 1);
if (ctxt->sax != NULL) {
if (ctxt->sax->getEntity != NULL)
ent = ctxt->sax->getEntity(ctxt->userData, name);
}
/*
* [ WFC: Entity Declared ]
* the Name given in the entity reference must match that in an entity
* declaration, except that well-formed documents need not declare any
* of the following entities: amp, lt, gt, apos, quot.
*/
if (ent == NULL)
ent = xmlGetPredefinedEntity(name);
if (ent == NULL) {
ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Entity reference: entity %s not declared\n",
name);
ctxt->wellFormed = 0;
xmlFree(name);
return;
}
/*
* [ WFC: Parsed Entity ]
* An entity reference must not contain the name of an unparsed entity
*/
if (ent->type == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Entity reference to unparsed entity %s\n", name);
ctxt->wellFormed = 0;
}
if (ent->type == XML_INTERNAL_PREDEFINED_ENTITY) {
ctxt->token = ent->content[0];
xmlFree(name);
return;
}
input = xmlOldNewEntityInputStream(ctxt, ent);
xmlOldPushInput(ctxt, input);
xmlFree(name);
return;
}
/**
* xmlOldParserHandlePEReference:
* @ctxt: the parser context
*
* [69] PEReference ::= '%' Name ';'
*
* [ WFC: No Recursion ]
* TODO A parsed entity must not contain a recursive
* reference to itself, either directly or indirectly.
*
* [ WFC: Entity Declared ]
* In a document without any DTD, a document with only an internal DTD
* subset which contains no parameter entity references, or a document
* with "standalone='yes'", ... ... The declaration of a parameter
* entity must precede any reference to it...
*
* [ VC: Entity Declared ]
* In a document with an external subset or external parameter entities
* with "standalone='no'", ... ... The declaration of a parameter entity
* must precede any reference to it...
*
* [ WFC: In DTD ]
* Parameter-entity references may only appear in the DTD.
* NOTE: misleading but this is handled.
*
* A PEReference may have been detected in the current input stream
* the handling is done accordingly to
* http://www.w3.org/TR/REC-xml#entproc
* i.e.
* - Included in literal in entity values
* - Included as Paraemeter Entity reference within DTDs
*/
static void
xmlOldParserHandlePEReference(xmlParserCtxtPtr ctxt) {
xmlChar *name;
xmlEntityPtr entity = NULL;
xmlParserInputPtr input;
if (ctxt->token != 0) {
return;
}
if (CUR != '%') return;
switch(ctxt->instate) {
case XML_PARSER_CDATA_SECTION:
return;
case XML_PARSER_COMMENT:
return;
case XML_PARSER_START_TAG:
return;
case XML_PARSER_END_TAG:
return;
case XML_PARSER_EOF:
ctxt->errNo = XML_ERR_PEREF_AT_EOF;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "PEReference at EOF\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_PROLOG:
case XML_PARSER_START:
case XML_PARSER_MISC:
ctxt->errNo = XML_ERR_PEREF_IN_PROLOG;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "PEReference in prolog!\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_ENTITY_DECL:
case XML_PARSER_CONTENT:
case XML_PARSER_ATTRIBUTE_VALUE:
case XML_PARSER_PI:
/* we just ignore it there */
return;
case XML_PARSER_EPILOG:
ctxt->errNo = XML_ERR_PEREF_IN_EPILOG;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "PEReference in epilog!\n");
ctxt->wellFormed = 0;
return;
case XML_PARSER_ENTITY_VALUE:
/*
* NOTE: in the case of entity values, we don't do the
* substitution here since we need the literal
* entity value to be able to save the internal
* subset of the document.
* This will be handled by xmlOldDecodeEntities
*/
return;
case XML_PARSER_DTD:
/*
* [WFC: Well-Formedness Constraint: PEs in Internal Subset]
* In the internal DTD subset, parameter-entity references
* can occur only where markup declarations can occur, not
* within markup declarations.
* In that case this is handled in xmlOldParseMarkupDecl
*/
if ((ctxt->external == 0) && (ctxt->inputNr == 1))
return;
}
NEXT;
name = xmlOldParseName(ctxt);
if (name == NULL) {
ctxt->errNo = XML_ERR_PEREF_NO_NAME;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "xmlHandlePEReference: no name\n");
ctxt->wellFormed = 0;
} else {
if (CUR == ';') {
NEXT;
if ((ctxt->sax != NULL) && (ctxt->sax->getParameterEntity != NULL))
entity = ctxt->sax->getParameterEntity(ctxt->userData, name);
if (entity == NULL) {
/*
* [ WFC: Entity Declared ]
* In a document without any DTD, a document with only an
* internal DTD subset which contains no parameter entity
* references, or a document with "standalone='yes'", ...
* ... The declaration of a parameter entity must precede
* any reference to it...
*/
if ((ctxt->standalone == 1) ||
((ctxt->hasExternalSubset == 0) &&
(ctxt->hasPErefs == 0))) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"PEReference: %%%s; not found\n", name);
ctxt->wellFormed = 0;
} else {
/*
* [ VC: Entity Declared ]
* In a document with an external subset or external
* parameter entities with "standalone='no'", ...
* ... The declaration of a parameter entity must precede
* any reference to it...
*/
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"PEReference: %%%s; not found\n", name);
ctxt->valid = 0;
}
} else {
if ((entity->type == XML_INTERNAL_PARAMETER_ENTITY) ||
(entity->type == XML_EXTERNAL_PARAMETER_ENTITY)) {
/*
* TODO !!!! handle the extra spaces added before and after
* c.f. http://www.w3.org/TR/REC-xml#as-PE
* TODO !!!! Avoid quote processing in parameters value
* c.f. http://www.w3.org/TR/REC-xml#inliteral
*/
input = xmlOldNewEntityInputStream(ctxt, entity);
xmlOldPushInput(ctxt, input);
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlHandlePEReference: %s is not a parameter entity\n",
name);
ctxt->wellFormed = 0;
}
}
} else {
ctxt->errNo = XML_ERR_PEREF_SEMICOL_MISSING;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlHandlePEReference: expecting ';'\n");
ctxt->wellFormed = 0;
}
xmlFree(name);
}
}
/*
* Macro used to grow the current buffer.
*/
#define growBuffer(buffer) { \
buffer##_size *= 2; \
buffer = (xmlChar *) \
xmlRealloc(buffer, buffer##_size * sizeof(xmlChar)); \
if (buffer == NULL) { \
perror("realloc failed"); \
return(NULL); \
} \
}
/**
* xmlOldDecodeEntities:
* @ctxt: the parser context
* @what: combination of XML_SUBSTITUTE_REF and XML_SUBSTITUTE_PEREF
* @len: the len to decode (in bytes !), -1 for no size limit
* @end: an end marker xmlChar, 0 if none
* @end2: an end marker xmlChar, 0 if none
* @end3: an end marker xmlChar, 0 if none
*
* [67] Reference ::= EntityRef | CharRef
*
* [69] PEReference ::= '%' Name ';'
*
* Returns A newly allocated string with the substitution done. The caller
* must deallocate it !
*/
static xmlChar *
xmlOldDecodeEntities(xmlParserCtxtPtr ctxt, int len, int what,
xmlChar end, xmlChar end2, xmlChar end3) {
xmlChar *buffer = NULL;
int buffer_size = 0;
xmlChar *out = NULL;
xmlChar *current = NULL;
xmlEntityPtr ent;
int nbchars = 0;
unsigned int max = (unsigned int) len;
xmlChar cur;
/*
* allocate a translation buffer.
*/
buffer_size = XML_PARSER_BIG_BUFFER_SIZE;
buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
if (buffer == NULL) {
perror("xmlDecodeEntities: malloc failed");
return(NULL);
}
out = buffer;
/*
* Ok loop until we reach one of the ending char or a size limit.
*/
cur = CUR;
while ((nbchars < max) && (cur != end) &&
(cur != end2) && (cur != end3)) {
if (cur == 0) break;
if ((cur == '&') && (NXT(1) == '#')) {
int val = xmlOldParseCharRef(ctxt);
*out++ = val;
nbchars += 3;
} else if ((cur == '&') && (what & XML_SUBSTITUTE_REF)) {
ent = xmlOldParseEntityRef(ctxt);
if ((ent != NULL) &&
(ctxt->replaceEntities != 0)) {
current = ent->content;
while (*current != 0) {
*out++ = *current++;
if (out - buffer > buffer_size - XML_PARSER_BUFFER_SIZE) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
}
nbchars += 3 + xmlStrlen(ent->name);
} else if (ent != NULL) {
int i = xmlStrlen(ent->name);
const xmlChar *cur = ent->name;
nbchars += i + 2;
*out++ = '&';
if (out - buffer > buffer_size - i - XML_PARSER_BUFFER_SIZE) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
for (;i > 0;i--)
*out++ = *cur++;
*out++ = ';';
}
} else if (cur == '%' && (what & XML_SUBSTITUTE_PEREF)) {
/*
* a PEReference induce to switch the entity flow,
* we break here to flush the current set of chars
* parsed if any. We will be called back later.
*/
if (nbchars != 0) break;
xmlOldParsePEReference(ctxt);
/*
* Pop-up of finished entities.
*/
while ((CUR == 0) && (ctxt->inputNr > 1))
xmlOldPopInput(ctxt);
break;
} else {
/* invalid for UTF-8 , use COPY(out); !!!!!! */
*out++ = cur;
nbchars++;
if (out - buffer > buffer_size - XML_PARSER_BUFFER_SIZE) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
NEXT;
}
cur = CUR;
}
*out++ = 0;
return(buffer);
}
/**
* xmlOldStringDecodeEntities:
* @ctxt: the parser context
* @str: the input string
* @what: combination of XML_SUBSTITUTE_REF and XML_SUBSTITUTE_PEREF
* @end: an end marker xmlChar, 0 if none
* @end2: an end marker xmlChar, 0 if none
* @end3: an end marker xmlChar, 0 if none
*
* [67] Reference ::= EntityRef | CharRef
*
* [69] PEReference ::= '%' Name ';'
*
* Returns A newly allocated string with the substitution done. The caller
* must deallocate it !
*/
static xmlChar *
xmlOldStringDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int what,
xmlChar end, xmlChar end2, xmlChar end3) {
xmlChar *buffer = NULL;
int buffer_size = 0;
xmlChar *out = NULL;
xmlChar *current = NULL;
xmlEntityPtr ent;
xmlChar cur;
/*
* allocate a translation buffer.
*/
buffer_size = XML_PARSER_BIG_BUFFER_SIZE;
buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
if (buffer == NULL) {
perror("xmlStringDecodeEntities: malloc failed");
return(NULL);
}
out = buffer;
/*
* Ok loop until we reach one of the ending char or a size limit.
*/
cur = *str;
while ((cur != 0) && (cur != end) &&
(cur != end2) && (cur != end3)) {
if (cur == 0) break;
if ((cur == '&') && (str[1] == '#')) {
int val = xmlOldParseStringCharRef(ctxt, &str);
if (val != 0)
*out++ = val;
} else if ((cur == '&') && (what & XML_SUBSTITUTE_REF)) {
ent = xmlOldParseStringEntityRef(ctxt, &str);
if ((ent != NULL) &&
(ctxt->replaceEntities != 0)) {
current = ent->content;
while (*current != 0) {
*out++ = *current++;
if (out - buffer > buffer_size - XML_PARSER_BUFFER_SIZE) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
}
} else if (ent != NULL) {
int i = xmlStrlen(ent->name);
const xmlChar *cur = ent->name;
*out++ = '&';
if (out - buffer > buffer_size - i - XML_PARSER_BUFFER_SIZE) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
for (;i > 0;i--)
*out++ = *cur++;
*out++ = ';';
}
} else if (cur == '%' && (what & XML_SUBSTITUTE_PEREF)) {
ent = xmlOldParseStringPEReference(ctxt, &str);
if (ent != NULL) {
current = ent->content;
while (*current != 0) {
*out++ = *current++;
if (out - buffer > buffer_size - XML_PARSER_BUFFER_SIZE) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
}
}
} else {
/* invalid for UTF-8 , use COPY(out); !!!!!! */
*out++ = cur;
if (out - buffer > buffer_size - XML_PARSER_BUFFER_SIZE) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
str++;
}
cur = *str;
}
*out = 0;
return(buffer);
}
/************************************************************************
* *
* Commodity functions, cleanup needed ? *
* *
************************************************************************/
/**
* areBlanksOld:
* @ctxt: an XML parser context
* @str: a xmlChar *
* @len: the size of @str
*
* Is this a sequence of blank chars that one can ignore ?
*
* Returns 1 if ignorable 0 otherwise.
*/
static int areBlanksOld(xmlParserCtxtPtr ctxt, const xmlChar *str, int len) {
int i, ret;
xmlNodePtr lastChild;
/*
* Check that the string is made of blanks
*/
for (i = 0;i < len;i++)
if (!(IS_BLANK(str[i]))) return(0);
/*
* Look if the element is mixed content in the Dtd if available
*/
if (ctxt->myDoc != NULL) {
ret = xmlIsMixedElement(ctxt->myDoc, ctxt->node->name);
if (ret == 0) return(1);
if (ret == 1) return(0);
}
/*
* Do we allow an heuristic on white space
*/
if (ctxt->keepBlanks)
return(0);
if (CUR != '<') return(0);
if (ctxt->node == NULL) return(0);
if ((ctxt->node->childs == NULL) &&
(CUR == '<') && (NXT(1) == '/')) return(0);
lastChild = xmlGetLastChild(ctxt->node);
if (lastChild == NULL) {
if (ctxt->node->content != NULL) return(0);
} else if (xmlNodeIsText(lastChild))
return(0);
else if ((ctxt->node->childs != NULL) &&
(xmlNodeIsText(ctxt->node->childs)))
return(0);
return(1);
}
/**
* xmlOldHandleEntity:
* @ctxt: an XML parser context
* @entity: an XML entity pointer.
*
* Default handling of defined entities, when should we define a new input
* stream ? When do we just handle that as a set of chars ?
*
* OBSOLETE: to be removed at some point.
*/
static void
xmlOldHandleEntity(xmlParserCtxtPtr ctxt, xmlEntityPtr entity) {
int len;
xmlParserInputPtr input;
if (entity->content == NULL) {
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "xmlHandleEntity %s: content == NULL\n",
entity->name);
ctxt->wellFormed = 0;
return;
}
len = xmlStrlen(entity->content);
if (len <= 2) goto handle_as_char;
/*
* Redefine its content as an input stream.
*/
input = xmlOldNewEntityInputStream(ctxt, entity);
xmlOldPushInput(ctxt, input);
return;
handle_as_char:
/*
* Just handle the content as a set of chars.
*/
if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
ctxt->sax->characters(ctxt->userData, entity->content, len);
}
/************************************************************************
* *
* Extra stuff for namespace support *
* Relates to http://www.w3.org/TR/WD-xml-names *
* *
************************************************************************/
/**
* xmlOldNamespaceParseNCName:
* @ctxt: an XML parser context
*
* parse an XML namespace name.
*
* [NS 3] NCName ::= (Letter | '_') (NCNameChar)*
*
* [NS 4] NCNameChar ::= Letter | Digit | '.' | '-' | '_' |
* CombiningChar | Extender
*
* Returns the namespace name or NULL
*/
static xmlChar *
xmlOldNamespaceParseNCName(xmlParserCtxtPtr ctxt) {
xmlChar buf[XML_MAX_NAMELEN];
int len = 0;
if (!IS_LETTER(CUR) && (CUR != '_')) return(NULL);
while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) ||
(CUR == '.') || (CUR == '-') ||
(CUR == '_') ||
(IS_COMBINING(CUR)) ||
(IS_EXTENDER(CUR))) {
buf[len++] = CUR;
NEXT;
if (len >= XML_MAX_NAMELEN) {
fprintf(stderr,
"xmlNamespaceParseNCName: reached XML_MAX_NAMELEN limit\n");
while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) ||
(CUR == '.') || (CUR == '-') ||
(CUR == '_') ||
(IS_COMBINING(CUR)) ||
(IS_EXTENDER(CUR)))
NEXT;
break;
}
}
return(xmlStrndup(buf, len));
}
/**
* xmlOldNamespaceParseQName:
* @ctxt: an XML parser context
* @prefix: a xmlChar **
*
* parse an XML qualified name
*
* [NS 5] QName ::= (Prefix ':')? LocalPart
*
* [NS 6] Prefix ::= NCName
*
* [NS 7] LocalPart ::= NCName
*
* Returns the local part, and prefix is updated
* to get the Prefix if any.
*/
static xmlChar *
xmlOldNamespaceParseQName(xmlParserCtxtPtr ctxt, xmlChar **prefix) {
xmlChar *ret = NULL;
*prefix = NULL;
ret = xmlOldNamespaceParseNCName(ctxt);
if (CUR == ':') {
*prefix = ret;
NEXT;
ret = xmlOldNamespaceParseNCName(ctxt);
}
return(ret);
}
/**
* xmlOldParseQuotedString:
* @ctxt: an XML parser context
*
* [OLD] Parse and return a string between quotes or doublequotes
* To be removed at next drop of binary compatibility
*
* Returns the string parser or NULL.
*/
static xmlChar *
xmlOldParseQuotedString(xmlParserCtxtPtr ctxt) {
xmlChar *buf = NULL;
int len = 0;
int size = XML_PARSER_BUFFER_SIZE;
xmlChar c;
buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "malloc of %d byte failed\n", size);
return(NULL);
}
if (CUR == '"') {
NEXT;
c = CUR;
while (IS_CHAR(c) && (c != '"')) {
if (len + 1 >= size) {
size *= 2;
buf = xmlRealloc(buf, size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "realloc of %d byte failed\n", size);
return(NULL);
}
}
buf[len++] = c;
NEXT;
c = CUR;
}
if (c != '"') {
ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"String not closed \"%.50s\"\n", buf);
ctxt->wellFormed = 0;
} else {
NEXT;
}
} else if (CUR == '\''){
NEXT;
c = CUR;
while (IS_CHAR(c) && (c != '\'')) {
if (len + 1 >= size) {
size *= 2;
buf = xmlRealloc(buf, size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "realloc of %d byte failed\n", size);
return(NULL);
}
}
buf[len++] = c;
NEXT;
c = CUR;
}
if (CUR != '\'') {
ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"String not closed \"%.50s\"\n", buf);
ctxt->wellFormed = 0;
} else {
NEXT;
}
}
return(buf);
}
/**
* xmlOldParseNamespace:
* @ctxt: an XML parser context
*
* [OLD] xmlOldParseNamespace: parse specific PI '<?namespace ...' constructs.
*
* This is what the older xml-name Working Draft specified, a bunch of
* other stuff may still rely on it, so support is still here as
* if it was declared on the root of the Tree:-(
*
* To be removed at next drop of binary compatibility
*/
static void
xmlOldParseNamespace(xmlParserCtxtPtr ctxt) {
xmlChar *href = NULL;
xmlChar *prefix = NULL;
int garbage = 0;
/*
* We just skipped "namespace" or "xml:namespace"
*/
SKIP_BLANKS;
while (IS_CHAR(CUR) && (CUR != '>')) {
/*
* We can have "ns" or "prefix" attributes
* Old encoding as 'href' or 'AS' attributes is still supported
*/
if ((CUR == 'n') && (NXT(1) == 's')) {
garbage = 0;
SKIP(2);
SKIP_BLANKS;
if (CUR != '=') continue;
NEXT;
SKIP_BLANKS;
href = xmlOldParseQuotedString(ctxt);
SKIP_BLANKS;
} else if ((CUR == 'h') && (NXT(1) == 'r') &&
(NXT(2) == 'e') && (NXT(3) == 'f')) {
garbage = 0;
SKIP(4);
SKIP_BLANKS;
if (CUR != '=') continue;
NEXT;
SKIP_BLANKS;
href = xmlOldParseQuotedString(ctxt);
SKIP_BLANKS;
} else if ((CUR == 'p') && (NXT(1) == 'r') &&
(NXT(2) == 'e') && (NXT(3) == 'f') &&
(NXT(4) == 'i') && (NXT(5) == 'x')) {
garbage = 0;
SKIP(6);
SKIP_BLANKS;
if (CUR != '=') continue;
NEXT;
SKIP_BLANKS;
prefix = xmlOldParseQuotedString(ctxt);
SKIP_BLANKS;
} else if ((CUR == 'A') && (NXT(1) == 'S')) {
garbage = 0;
SKIP(2);
SKIP_BLANKS;
if (CUR != '=') continue;
NEXT;
SKIP_BLANKS;
prefix = xmlOldParseQuotedString(ctxt);
SKIP_BLANKS;
} else if ((CUR == '?') && (NXT(1) == '>')) {
garbage = 0;
NEXT;
} else {
/*
* Found garbage when parsing the namespace
*/
if (!garbage) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseNamespace found garbage\n");
}
ctxt->errNo = XML_ERR_NS_DECL_ERROR;
ctxt->wellFormed = 0;
NEXT;
}
}
MOVETO_ENDTAG(CUR_PTR);
NEXT;
/*
* Register the DTD.
if (href != NULL)
if ((ctxt->sax != NULL) && (ctxt->sax->globalNamespace != NULL))
ctxt->sax->globalNamespace(ctxt->userData, href, prefix);
*/
if (prefix != NULL) xmlFree(prefix);
if (href != NULL) xmlFree(href);
}
/************************************************************************
* *
* The parser itself *
* Relates to http://www.w3.org/TR/REC-xml *
* *
************************************************************************/
/**
* xmlOldScanName:
* @ctxt: an XML parser context
*
* Trickery: parse an XML name but without consuming the input flow
* Needed for rollback cases.
*
* [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' |
* CombiningChar | Extender
*
* [5] Name ::= (Letter | '_' | ':') (NameChar)*
*
* [6] Names ::= Name (S Name)*
*
* Returns the Name parsed or NULL
*/
static xmlChar *
xmlOldScanName(xmlParserCtxtPtr ctxt) {
xmlChar buf[XML_MAX_NAMELEN];
int len = 0;
GROW;
if (!IS_LETTER(CUR) && (CUR != '_') &&
(CUR != ':')) {
return(NULL);
}
while ((IS_LETTER(NXT(len))) || (IS_DIGIT(NXT(len))) ||
(NXT(len) == '.') || (NXT(len) == '-') ||
(NXT(len) == '_') || (NXT(len) == ':') ||
(IS_COMBINING(NXT(len))) ||
(IS_EXTENDER(NXT(len)))) {
buf[len] = NXT(len);
len++;
if (len >= XML_MAX_NAMELEN) {
fprintf(stderr,
"xmlScanName: reached XML_MAX_NAMELEN limit\n");
while ((IS_LETTER(NXT(len))) || (IS_DIGIT(NXT(len))) ||
(NXT(len) == '.') || (NXT(len) == '-') ||
(NXT(len) == '_') || (NXT(len) == ':') ||
(IS_COMBINING(NXT(len))) ||
(IS_EXTENDER(NXT(len))))
len++;
break;
}
}
return(xmlStrndup(buf, len));
}
/**
* xmlOldParseName:
* @ctxt: an XML parser context
*
* parse an XML name.
*
* [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' |
* CombiningChar | Extender
*
* [5] Name ::= (Letter | '_' | ':') (NameChar)*
*
* [6] Names ::= Name (S Name)*
*
* Returns the Name parsed or NULL
*/
static xmlChar *
xmlOldParseName(xmlParserCtxtPtr ctxt) {
xmlChar buf[XML_MAX_NAMELEN];
int len = 0;
xmlChar cur;
GROW;
cur = CUR;
if (!IS_LETTER(cur) && (cur != '_') &&
(cur != ':')) {
return(NULL);
}
while ((IS_LETTER(cur)) || (IS_DIGIT(cur)) ||
(cur == '.') || (cur == '-') ||
(cur == '_') || (cur == ':') ||
(IS_COMBINING(cur)) ||
(IS_EXTENDER(cur))) {
buf[len++] = cur;
NEXT;
cur = CUR;
if (len >= XML_MAX_NAMELEN) {
fprintf(stderr,
"xmlParseName: reached XML_MAX_NAMELEN limit\n");
while ((IS_LETTER(cur)) || (IS_DIGIT(cur)) ||
(cur == '.') || (cur == '-') ||
(cur == '_') || (cur == ':') ||
(IS_COMBINING(cur)) ||
(IS_EXTENDER(cur))) {
NEXT;
cur = CUR;
}
break;
}
}
return(xmlStrndup(buf, len));
}
/**
* xmlOldParseStringName:
* @ctxt: an XML parser context
* @str: a pointer to an index in the string
*
* parse an XML name.
*
* [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' |
* CombiningChar | Extender
*
* [5] Name ::= (Letter | '_' | ':') (NameChar)*
*
* [6] Names ::= Name (S Name)*
*
* Returns the Name parsed or NULL. The str pointer
* is updated to the current location in the string.
*/
static xmlChar *
xmlOldParseStringName(xmlParserCtxtPtr ctxt, const xmlChar** str) {
const xmlChar *ptr;
const xmlChar *start;
xmlChar cur;
if ((str == NULL) || (*str == NULL)) return(NULL);
start = ptr = *str;
cur = *ptr;
if (!IS_LETTER(cur) && (cur != '_') &&
(cur != ':')) {
return(NULL);
}
while ((IS_LETTER(cur)) || (IS_DIGIT(cur)) ||
(cur == '.') || (cur == '-') ||
(cur == '_') || (cur == ':') ||
(IS_COMBINING(cur)) ||
(IS_EXTENDER(cur))) {
ptr++;
cur = *ptr;
}
*str = ptr;
return(xmlStrndup(start, ptr - start ));
}
/**
* xmlOldParseNmtoken:
* @ctxt: an XML parser context
*
* parse an XML Nmtoken.
*
* [7] Nmtoken ::= (NameChar)+
*
* [8] Nmtokens ::= Nmtoken (S Nmtoken)*
*
* Returns the Nmtoken parsed or NULL
*/
static xmlChar *
xmlOldParseNmtoken(xmlParserCtxtPtr ctxt) {
xmlChar buf[XML_MAX_NAMELEN];
int len = 0;
GROW;
while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) ||
(CUR == '.') || (CUR == '-') ||
(CUR == '_') || (CUR == ':') ||
(IS_COMBINING(CUR)) ||
(IS_EXTENDER(CUR))) {
buf[len++] = CUR;
NEXT;
if (len >= XML_MAX_NAMELEN) {
fprintf(stderr,
"xmlParseNmtoken: reached XML_MAX_NAMELEN limit\n");
while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) ||
(CUR == '.') || (CUR == '-') ||
(CUR == '_') || (CUR == ':') ||
(IS_COMBINING(CUR)) ||
(IS_EXTENDER(CUR)))
NEXT;
break;
}
}
return(xmlStrndup(buf, len));
}
/**
* xmlOldParseEntityValue:
* @ctxt: an XML parser context
* @orig: if non-NULL store a copy of the original entity value
*
* parse a value for ENTITY decl.
*
* [9] EntityValue ::= '"' ([^%&"] | PEReference | Reference)* '"' |
* "'" ([^%&'] | PEReference | Reference)* "'"
*
* Returns the EntityValue parsed with reference substitued or NULL
*/
static xmlChar *
xmlOldParseEntityValue(xmlParserCtxtPtr ctxt, xmlChar **orig) {
xmlChar *buf = NULL;
int len = 0;
int size = XML_PARSER_BUFFER_SIZE;
xmlChar c;
xmlChar stop;
xmlChar *ret = NULL;
xmlParserInputPtr input;
if (CUR == '"') stop = '"';
else if (CUR == '\'') stop = '\'';
else {
ctxt->errNo = XML_ERR_ENTITY_NOT_STARTED;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "EntityValue: \" or ' expected\n");
ctxt->wellFormed = 0;
return(NULL);
}
buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "malloc of %d byte failed\n", size);
return(NULL);
}
/*
* The content of the entity definition is copied in a buffer.
*/
ctxt->instate = XML_PARSER_ENTITY_VALUE;
input = ctxt->input;
GROW;
NEXT;
c = CUR;
/*
* NOTE: 4.4.5 Included in Literal
* When a parameter entity reference appears in a literal entity
* value, ... a single or double quote character in the replacement
* text is always treated as a normal data character and will not
* terminate the literal.
* In practice it means we stop the loop only when back at parsing
* the initial entity and the quote is found
*/
while (IS_CHAR(c) && ((c != stop) || (ctxt->input != input))) {
if (len + 1 >= size) {
size *= 2;
buf = xmlRealloc(buf, size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "realloc of %d byte failed\n", size);
return(NULL);
}
}
buf[len++] = c;
NEXT;
/*
* Pop-up of finished entities.
*/
while ((CUR == 0) && (ctxt->inputNr > 1))
xmlOldPopInput(ctxt);
c = CUR;
if (c == 0) {
GROW;
c = CUR;
}
}
buf[len] = 0;
/*
* Then PEReference entities are substituted.
*/
if (c != stop) {
ctxt->errNo = XML_ERR_ENTITY_NOT_FINISHED;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "EntityValue: \" expected\n");
ctxt->wellFormed = 0;
} else {
NEXT;
/*
* NOTE: 4.4.7 Bypassed
* When a general entity reference appears in the EntityValue in
* an entity declaration, it is bypassed and left as is.
* so XML_SUBSTITUTE_REF is not set.
*/
ret = xmlOldStringDecodeEntities(ctxt, buf, XML_SUBSTITUTE_PEREF,
0, 0, 0);
if (orig != NULL)
*orig = buf;
else
xmlFree(buf);
}
return(ret);
}
/**
* xmlOldParseAttValue:
* @ctxt: an XML parser context
*
* parse a value for an attribute
* Note: the parser won't do substitution of entities here, this
* will be handled later in xmlStringGetNodeList
*
* [10] AttValue ::= '"' ([^<&"] | Reference)* '"' |
* "'" ([^<&'] | Reference)* "'"
*
* 3.3.3 Attribute-Value Normalization:
* Before the value of an attribute is passed to the application or
* checked for validity, the XML processor must normalize it as follows:
* - a character reference is processed by appending the referenced
* character to the attribute value
* - an entity reference is processed by recursively processing the
* replacement text of the entity
* - a whitespace character (#x20, #xD, #xA, #x9) is processed by
* appending #x20 to the normalized value, except that only a single
* #x20 is appended for a "#xD#xA" sequence that is part of an external
* parsed entity or the literal entity value of an internal parsed entity
* - other characters are processed by appending them to the normalized value
* If the declared value is not CDATA, then the XML processor must further
* process the normalized attribute value by discarding any leading and
* trailing space (#x20) characters, and by replacing sequences of space
* (#x20) characters by a single space (#x20) character.
* All attributes for which no declaration has been read should be treated
* by a non-validating parser as if declared CDATA.
*
* Returns the AttValue parsed or NULL. The value has to be freed by the caller.
*/
static xmlChar *
xmlOldParseAttValue(xmlParserCtxtPtr ctxt) {
xmlChar limit = 0;
xmlChar *buffer = NULL;
int buffer_size = 0;
xmlChar *out = NULL;
xmlChar *current = NULL;
xmlEntityPtr ent;
xmlChar cur;
SHRINK;
if (CUR == '"') {
ctxt->instate = XML_PARSER_ATTRIBUTE_VALUE;
limit = '"';
NEXT;
} else if (CUR == '\'') {
limit = '\'';
ctxt->instate = XML_PARSER_ATTRIBUTE_VALUE;
NEXT;
} else {
ctxt->errNo = XML_ERR_ATTRIBUTE_NOT_STARTED;
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "AttValue: \" or ' expected\n");
ctxt->wellFormed = 0;
return(NULL);
}
/*
* allocate a translation buffer.
*/
buffer_size = XML_PARSER_BUFFER_SIZE;
buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
if (buffer == NULL) {
perror("xmlParseAttValue: malloc failed");
return(NULL);
}
out = buffer;
/*
* Ok loop until we reach one of the ending char or a size limit.
*/
cur = CUR;
while ((ctxt->token != 0) ||
((cur != limit) && (cur != '<'))) {
if (cur == 0) break;
if (cur == '&') { GROW; }
if (ctxt->token == '&') {
/*
* The reparsing will be done in xmlStringGetNodeList()
* called by the attribute() function in SAX.c
*/
static xmlChar quote[6] = "&";
if (out - buffer > buffer_size - 10) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
current = "e[0];
while (*current != 0) { /* non input consuming */
*out++ = *current++;
}
NEXT;
} else if ((cur == '&') && (NXT(1) == '#')) {
int val = xmlOldParseCharRef(ctxt);
*out++ = val;
if (out - buffer > buffer_size - 10) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
} else if (cur == '&') {
ent = xmlOldParseEntityRef(ctxt);
if ((ent != NULL) &&
(ctxt->replaceEntities != 0)) {
current = ent->content;
while (*current != 0) {
*out++ = *current++;
if (out - buffer > buffer_size - 10) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
}
} else if (ent != NULL) {
int i = xmlStrlen(ent->name);
const xmlChar *cur = ent->name;
*out++ = '&';
while (out - buffer > buffer_size - i - 10) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
for (;i > 0;i--)
*out++ = *cur++;
*out++ = ';';
}
} else {
/* invalid for UTF-8 , use COPY(out); !!!!!! */
if ((ctxt->token == 0) && ((cur == 0x20) || (cur == 0xD) || (cur == 0xA) || (cur == 0x9))) {
*out++ = 0x20;
if (out - buffer > buffer_size - 10) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
} else {
*out++ = cur;
if (out - buffer > buffer_size - 10) {
int index = out - buffer;
growBuffer(buffer);
out = &buffer[index];
}
}
NEXT;
}
cur = CUR;
}
*out++ = 0;
if (CUR == '<') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Unescaped '<' not allowed in attributes values\n");
ctxt->errNo = XML_ERR_LT_IN_ATTRIBUTE;
ctxt->wellFormed = 0;
} else if (CUR != limit) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "AttValue: ' expected\n");
ctxt->errNo = XML_ERR_ATTRIBUTE_NOT_FINISHED;
ctxt->wellFormed = 0;
} else
NEXT;
return(buffer);
}
/**
* xmlOldParseSystemLiteral:
* @ctxt: an XML parser context
*
* parse an XML Literal
*
* [11] SystemLiteral ::= ('"' [^"]* '"') | ("'" [^']* "'")
*
* Returns the SystemLiteral parsed or NULL
*/
static xmlChar *
xmlOldParseSystemLiteral(xmlParserCtxtPtr ctxt) {
xmlChar *buf = NULL;
int len = 0;
int size = XML_PARSER_BUFFER_SIZE;
xmlChar cur;
xmlChar stop;
SHRINK;
if (CUR == '"') {
NEXT;
stop = '"';
} else if (CUR == '\'') {
NEXT;
stop = '\'';
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"SystemLiteral \" or ' expected\n");
ctxt->errNo = XML_ERR_LITERAL_NOT_STARTED;
ctxt->wellFormed = 0;
return(NULL);
}
buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "malloc of %d byte failed\n", size);
return(NULL);
}
cur = CUR;
while ((IS_CHAR(cur)) && (cur != stop)) {
if (len + 1 >= size) {
size *= 2;
buf = xmlRealloc(buf, size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "realloc of %d byte failed\n", size);
return(NULL);
}
}
buf[len++] = cur;
NEXT;
cur = CUR;
if (cur == 0) {
GROW;
SHRINK;
cur = CUR;
}
}
buf[len] = 0;
if (!IS_CHAR(cur)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Unfinished SystemLiteral\n");
ctxt->errNo = XML_ERR_LITERAL_NOT_FINISHED;
ctxt->wellFormed = 0;
} else {
NEXT;
}
return(buf);
}
/**
* xmlOldParsePubidLiteral:
* @ctxt: an XML parser context
*
* parse an XML public literal
*
* [12] PubidLiteral ::= '"' PubidChar* '"' | "'" (PubidChar - "'")* "'"
*
* Returns the PubidLiteral parsed or NULL.
*/
static xmlChar *
xmlOldParsePubidLiteral(xmlParserCtxtPtr ctxt) {
xmlChar *buf = NULL;
int len = 0;
int size = XML_PARSER_BUFFER_SIZE;
xmlChar cur;
xmlChar stop;
SHRINK;
if (CUR == '"') {
NEXT;
stop = '"';
} else if (CUR == '\'') {
NEXT;
stop = '\'';
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"SystemLiteral \" or ' expected\n");
ctxt->errNo = XML_ERR_LITERAL_NOT_STARTED;
ctxt->wellFormed = 0;
return(NULL);
}
buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "malloc of %d byte failed\n", size);
return(NULL);
}
cur = CUR;
while ((IS_PUBIDCHAR(cur)) && (cur != stop)) {
if (len + 1 >= size) {
size *= 2;
buf = xmlRealloc(buf, size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "realloc of %d byte failed\n", size);
return(NULL);
}
}
buf[len++] = cur;
NEXT;
cur = CUR;
if (cur == 0) {
GROW;
SHRINK;
cur = CUR;
}
}
buf[len] = 0;
if (cur != stop) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Unfinished PubidLiteral\n");
ctxt->errNo = XML_ERR_LITERAL_NOT_FINISHED;
ctxt->wellFormed = 0;
} else {
NEXT;
}
return(buf);
}
/**
* xmlOldParseCharData:
* @ctxt: an XML parser context
* @cdata: int indicating whether we are within a CDATA section
*
* parse a CharData section.
* if we are within a CDATA section ']]>' marks an end of section.
*
* [14] CharData ::= [^<&]* - ([^<&]* ']]>' [^<&]*)
*/
static void
xmlOldParseCharData(xmlParserCtxtPtr ctxt, int cdata) {
xmlChar buf[XML_PARSER_BIG_BUFFER_SIZE];
int nbchar = 0;
xmlChar cur;
SHRINK;
cur = CUR;
while (((cur != '<') || (ctxt->token == '<')) &&
((cur != '&') || (ctxt->token == '&')) &&
(IS_CHAR(cur))) {
if ((cur == ']') && (NXT(1) == ']') &&
(NXT(2) == '>')) {
if (cdata) break;
else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->warning(ctxt->userData,
"Sequence ']]>' not allowed in content\n");
ctxt->errNo = XML_ERR_MISPLACED_CDATA_END;
}
}
buf[nbchar++] = CUR;
if (nbchar == XML_PARSER_BIG_BUFFER_SIZE) {
/*
* Ok the segment is to be consumed as chars.
*/
if (ctxt->sax != NULL) {
if (areBlanksOld(ctxt, buf, nbchar)) {
if (ctxt->sax->ignorableWhitespace != NULL)
ctxt->sax->ignorableWhitespace(ctxt->userData,
buf, nbchar);
} else {
if (ctxt->sax->characters != NULL)
ctxt->sax->characters(ctxt->userData, buf, nbchar);
}
}
nbchar = 0;
}
NEXT;
cur = CUR;
}
if (nbchar != 0) {
/*
* Ok the segment is to be consumed as chars.
*/
if (ctxt->sax != NULL) {
if (areBlanksOld(ctxt, buf, nbchar)) {
if (ctxt->sax->ignorableWhitespace != NULL)
ctxt->sax->ignorableWhitespace(ctxt->userData, buf, nbchar);
} else {
if (ctxt->sax->characters != NULL)
ctxt->sax->characters(ctxt->userData, buf, nbchar);
}
}
}
}
/**
* xmlOldParseExternalID:
* @ctxt: an XML parser context
* @publicID: a xmlChar** receiving PubidLiteral
* @strict: indicate whether we should restrict parsing to only
* production [75], see NOTE below
*
* Parse an External ID or a Public ID
*
* NOTE: Productions [75] and [83] interract badly since [75] can generate
* 'PUBLIC' S PubidLiteral S SystemLiteral
*
* [75] ExternalID ::= 'SYSTEM' S SystemLiteral
* | 'PUBLIC' S PubidLiteral S SystemLiteral
*
* [83] PublicID ::= 'PUBLIC' S PubidLiteral
*
* Returns the function returns SystemLiteral and in the second
* case publicID receives PubidLiteral, is strict is off
* it is possible to return NULL and have publicID set.
*/
static xmlChar *
xmlOldParseExternalID(xmlParserCtxtPtr ctxt, xmlChar **publicID, int strict) {
xmlChar *URI = NULL;
SHRINK;
if ((CUR == 'S') && (NXT(1) == 'Y') &&
(NXT(2) == 'S') && (NXT(3) == 'T') &&
(NXT(4) == 'E') && (NXT(5) == 'M')) {
SKIP(6);
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after 'SYSTEM'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
URI = xmlOldParseSystemLiteral(ctxt);
if (URI == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseExternalID: SYSTEM, no URI\n");
ctxt->errNo = XML_ERR_URI_REQUIRED;
ctxt->wellFormed = 0;
}
} else if ((CUR == 'P') && (NXT(1) == 'U') &&
(NXT(2) == 'B') && (NXT(3) == 'L') &&
(NXT(4) == 'I') && (NXT(5) == 'C')) {
SKIP(6);
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after 'PUBLIC'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
*publicID = xmlOldParsePubidLiteral(ctxt);
if (*publicID == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseExternalID: PUBLIC, no Public Identifier\n");
ctxt->errNo = XML_ERR_PUBID_REQUIRED;
ctxt->wellFormed = 0;
}
if (strict) {
/*
* We don't handle [83] so "S SystemLiteral" is required.
*/
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after the Public Identifier\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
} else {
/*
* We handle [83] so we return immediately, if
* "S SystemLiteral" is not detected. From a purely parsing
* point of view that's a nice mess.
*/
const xmlChar *ptr;
GROW;
ptr = CUR_PTR;
if (!IS_BLANK(*ptr)) return(NULL);
while (IS_BLANK(*ptr)) ptr++;
if ((*ptr != '\'') || (*ptr != '"')) return(NULL);
}
SKIP_BLANKS;
URI = xmlOldParseSystemLiteral(ctxt);
if (URI == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseExternalID: PUBLIC, no URI\n");
ctxt->errNo = XML_ERR_URI_REQUIRED;
ctxt->wellFormed = 0;
}
}
return(URI);
}
/**
* xmlOldParseComment:
* @ctxt: an XML parser context
*
* Skip an XML (SGML) comment <!-- .... -->
* The spec says that "For compatibility, the string "--" (double-hyphen)
* must not occur within comments. "
*
* [15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
*/
static void
xmlOldParseComment(xmlParserCtxtPtr ctxt) {
xmlChar *buf = NULL;
int len = 0;
int size = XML_PARSER_BUFFER_SIZE;
xmlChar q;
xmlChar r;
xmlChar cur;
xmlParserInputState state;
/*
* Check that there is a comment right here.
*/
if ((CUR != '<') || (NXT(1) != '!') ||
(NXT(2) != '-') || (NXT(3) != '-')) return;
state = ctxt->instate;
ctxt->instate = XML_PARSER_COMMENT;
SHRINK;
SKIP(4);
buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "malloc of %d byte failed\n", size);
ctxt->instate = state;
return;
}
q = CUR;
NEXT;
r = CUR;
NEXT;
cur = CUR;
while (IS_CHAR(cur) &&
((cur != '>') ||
(r != '-') || (q != '-'))) {
if ((r == '-') && (q == '-')) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Comment must not contain '--' (double-hyphen)`\n");
ctxt->errNo = XML_ERR_HYPHEN_IN_COMMENT;
ctxt->wellFormed = 0;
}
if (len + 1 >= size) {
size *= 2;
buf = xmlRealloc(buf, size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "realloc of %d byte failed\n", size);
ctxt->instate = state;
return;
}
}
buf[len++] = q;
q = r;
r = cur;
NEXT;
cur = CUR;
if (cur == 0) {
SHRINK;
GROW;
cur = CUR;
}
}
buf[len] = 0;
if (!IS_CHAR(cur)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Comment not terminated \n<!--%.50s\n", buf);
ctxt->errNo = XML_ERR_COMMENT_NOT_FINISHED;
ctxt->wellFormed = 0;
} else {
NEXT;
if ((ctxt->sax != NULL) && (ctxt->sax->comment != NULL))
ctxt->sax->comment(ctxt->userData, buf);
xmlFree(buf);
}
ctxt->instate = state;
}
/**
* xmlOldParsePITarget:
* @ctxt: an XML parser context
*
* parse the name of a PI
*
* [17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))
*
* Returns the PITarget name or NULL
*/
static xmlChar *
xmlOldParsePITarget(xmlParserCtxtPtr ctxt) {
xmlChar *name;
name = xmlOldParseName(ctxt);
if ((name != NULL) &&
((name[0] == 'x') || (name[0] == 'X')) &&
((name[1] == 'm') || (name[1] == 'M')) &&
((name[2] == 'l') || (name[2] == 'L'))) {
int i;
for (i = 0;;i++) {
if (xmlW3CPIs[i] == NULL) break;
if (!xmlStrcmp(name, (const xmlChar *)xmlW3CPIs[i]))
return(name);
}
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) {
ctxt->sax->warning(ctxt->userData,
"xmlParsePItarget: invalid name prefix 'xml'\n");
ctxt->errNo = XML_ERR_RESERVED_XML_NAME;
}
}
return(name);
}
/**
* xmlOldParsePI:
* @ctxt: an XML parser context
*
* parse an XML Processing Instruction.
*
* [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
*
* The processing is transfered to SAX once parsed.
*/
static void
xmlOldParsePI(xmlParserCtxtPtr ctxt) {
xmlChar *buf = NULL;
int len = 0;
int size = XML_PARSER_BUFFER_SIZE;
xmlChar cur;
xmlChar *target;
xmlParserInputState state;
if ((CUR == '<') && (NXT(1) == '?')) {
state = ctxt->instate;
ctxt->instate = XML_PARSER_PI;
/*
* this is a Processing Instruction.
*/
SKIP(2);
SHRINK;
/*
* Parse the target name and check for special support like
* namespace.
*/
target = xmlOldParsePITarget(ctxt);
if (target != NULL) {
buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "malloc of %d byte failed\n", size);
ctxt->instate = state;
return;
}
cur = CUR;
if (!IS_BLANK(cur)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParsePI: PI %s space expected\n", target);
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
cur = CUR;
while (IS_CHAR(cur) &&
((cur != '?') || (NXT(1) != '>'))) {
if (len + 1 >= size) {
size *= 2;
buf = xmlRealloc(buf, size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "realloc of %d byte failed\n", size);
ctxt->instate = state;
return;
}
}
buf[len++] = cur;
NEXT;
cur = CUR;
if (cur == 0) {
SHRINK;
GROW;
cur = CUR;
}
}
buf[len] = 0;
if (!IS_CHAR(cur)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParsePI: PI %s never end ...\n", target);
ctxt->errNo = XML_ERR_PI_NOT_FINISHED;
ctxt->wellFormed = 0;
} else {
SKIP(2);
/*
* SAX: PI detected.
*/
if ((ctxt->sax) &&
(ctxt->sax->processingInstruction != NULL))
ctxt->sax->processingInstruction(ctxt->userData,
target, buf);
}
xmlFree(buf);
xmlFree(target);
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParsePI : no target name\n");
ctxt->errNo = XML_ERR_PI_NOT_STARTED;
ctxt->wellFormed = 0;
}
ctxt->instate = state;
}
}
/**
* xmlOldParseNotationDecl:
* @ctxt: an XML parser context
*
* parse a notation declaration
*
* [82] NotationDecl ::= '<!NOTATION' S Name S (ExternalID | PublicID) S? '>'
*
* Hence there is actually 3 choices:
* 'PUBLIC' S PubidLiteral
* 'PUBLIC' S PubidLiteral S SystemLiteral
* and 'SYSTEM' S SystemLiteral
*
* See the NOTE on xmlOldParseExternalID().
*/
static void
xmlOldParseNotationDecl(xmlParserCtxtPtr ctxt) {
xmlChar *name;
xmlChar *Pubid;
xmlChar *Systemid;
if ((CUR == '<') && (NXT(1) == '!') &&
(NXT(2) == 'N') && (NXT(3) == 'O') &&
(NXT(4) == 'T') && (NXT(5) == 'A') &&
(NXT(6) == 'T') && (NXT(7) == 'I') &&
(NXT(8) == 'O') && (NXT(9) == 'N')) {
SHRINK;
SKIP(10);
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after '<!NOTATION'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
return;
}
SKIP_BLANKS;
name = xmlOldParseName(ctxt);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"NOTATION: Name expected here\n");
ctxt->errNo = XML_ERR_NOTATION_NOT_STARTED;
ctxt->wellFormed = 0;
return;
}
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after the NOTATION name'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
return;
}
SKIP_BLANKS;
/*
* Parse the IDs.
*/
Systemid = xmlOldParseExternalID(ctxt, &Pubid, 1);
SKIP_BLANKS;
if (CUR == '>') {
NEXT;
if ((ctxt->sax != NULL) && (ctxt->sax->notationDecl != NULL))
ctxt->sax->notationDecl(ctxt->userData, name, Pubid, Systemid);
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"'>' required to close NOTATION declaration\n");
ctxt->errNo = XML_ERR_NOTATION_NOT_FINISHED;
ctxt->wellFormed = 0;
}
xmlFree(name);
if (Systemid != NULL) xmlFree(Systemid);
if (Pubid != NULL) xmlFree(Pubid);
}
}
/**
* xmlOldParseEntityDecl:
* @ctxt: an XML parser context
*
* parse <!ENTITY declarations
*
* [70] EntityDecl ::= GEDecl | PEDecl
*
* [71] GEDecl ::= '<!ENTITY' S Name S EntityDef S? '>'
*
* [72] PEDecl ::= '<!ENTITY' S '%' S Name S PEDef S? '>'
*
* [73] EntityDef ::= EntityValue | (ExternalID NDataDecl?)
*
* [74] PEDef ::= EntityValue | ExternalID
*
* [76] NDataDecl ::= S 'NDATA' S Name
*
* [ VC: Notation Declared ]
* The Name must match the declared name of a notation.
*/
static void
xmlOldParseEntityDecl(xmlParserCtxtPtr ctxt) {
xmlChar *name = NULL;
xmlChar *value = NULL;
xmlChar *URI = NULL, *literal = NULL;
xmlChar *ndata = NULL;
int isParameter = 0;
xmlChar *orig = NULL;
GROW;
if ((CUR == '<') && (NXT(1) == '!') &&
(NXT(2) == 'E') && (NXT(3) == 'N') &&
(NXT(4) == 'T') && (NXT(5) == 'I') &&
(NXT(6) == 'T') && (NXT(7) == 'Y')) {
ctxt->instate = XML_PARSER_ENTITY_DECL;
SHRINK;
SKIP(8);
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after '<!ENTITY'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
if (CUR == '%') {
NEXT;
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after '%'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
isParameter = 1;
}
name = xmlOldParseName(ctxt);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "xmlParseEntityDecl: no name\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
return;
}
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after the entity name\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
/*
* handle the various case of definitions...
*/
if (isParameter) {
if ((CUR == '"') || (CUR == '\''))
value = xmlOldParseEntityValue(ctxt, &orig);
if (value) {
if ((ctxt->sax != NULL) && (ctxt->sax->entityDecl != NULL))
ctxt->sax->entityDecl(ctxt->userData, name,
XML_INTERNAL_PARAMETER_ENTITY,
NULL, NULL, value);
}
else {
URI = xmlOldParseExternalID(ctxt, &literal, 1);
if (URI) {
if ((ctxt->sax != NULL) && (ctxt->sax->entityDecl != NULL))
ctxt->sax->entityDecl(ctxt->userData, name,
XML_EXTERNAL_PARAMETER_ENTITY,
literal, URI, NULL);
}
}
} else {
if ((CUR == '"') || (CUR == '\'')) {
value = xmlOldParseEntityValue(ctxt, &orig);
if ((ctxt->sax != NULL) && (ctxt->sax->entityDecl != NULL))
ctxt->sax->entityDecl(ctxt->userData, name,
XML_INTERNAL_GENERAL_ENTITY,
NULL, NULL, value);
} else {
URI = xmlOldParseExternalID(ctxt, &literal, 1);
if ((CUR != '>') && (!IS_BLANK(CUR))) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required before 'NDATA'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
if ((CUR == 'N') && (NXT(1) == 'D') &&
(NXT(2) == 'A') && (NXT(3) == 'T') &&
(NXT(4) == 'A')) {
SKIP(5);
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after 'NDATA'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
ndata = xmlOldParseName(ctxt);
if ((ctxt->sax != NULL) &&
(ctxt->sax->unparsedEntityDecl != NULL))
ctxt->sax->unparsedEntityDecl(ctxt->userData, name,
literal, URI, ndata);
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->entityDecl != NULL))
ctxt->sax->entityDecl(ctxt->userData, name,
XML_EXTERNAL_GENERAL_PARSED_ENTITY,
literal, URI, NULL);
}
}
}
SKIP_BLANKS;
if (CUR != '>') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseEntityDecl: entity %s not terminated\n", name);
ctxt->errNo = XML_ERR_ENTITY_NOT_FINISHED;
ctxt->wellFormed = 0;
} else
NEXT;
if (orig != NULL) {
/*
* Ugly mechanism to save the raw entity value.
*/
xmlEntityPtr cur = NULL;
if (isParameter) {
if ((ctxt->sax != NULL) &&
(ctxt->sax->getParameterEntity != NULL))
cur = ctxt->sax->getParameterEntity(ctxt->userData, name);
} else {
if ((ctxt->sax != NULL) &&
(ctxt->sax->getEntity != NULL))
cur = ctxt->sax->getEntity(ctxt->userData, name);
}
if (cur != NULL) {
if (cur->orig != NULL)
xmlFree(orig);
else
cur->orig = orig;
} else
xmlFree(orig);
}
if (name != NULL) xmlFree(name);
if (value != NULL) xmlFree(value);
if (URI != NULL) xmlFree(URI);
if (literal != NULL) xmlFree(literal);
if (ndata != NULL) xmlFree(ndata);
}
}
/**
* xmlOldParseDefaultDecl:
* @ctxt: an XML parser context
* @value: Receive a possible fixed default value for the attribute
*
* Parse an attribute default declaration
*
* [60] DefaultDecl ::= '#REQUIRED' | '#IMPLIED' | (('#FIXED' S)? AttValue)
*
* [ VC: Required Attribute ]
* if the default declaration is the keyword #REQUIRED, then the
* attribute must be specified for all elements of the type in the
* attribute-list declaration.
*
* [ VC: Attribute Default Legal ]
* The declared default value must meet the lexical constraints of
* the declared attribute type c.f. xmlValidateAttributeDecl()
*
* [ VC: Fixed Attribute Default ]
* if an attribute has a default value declared with the #FIXED
* keyword, instances of that attribute must match the default value.
*
* [ WFC: No < in Attribute Values ]
* handled in xmlOldParseAttValue()
*
* returns: XML_ATTRIBUTE_NONE, XML_ATTRIBUTE_REQUIRED, XML_ATTRIBUTE_IMPLIED
* or XML_ATTRIBUTE_FIXED.
*/
static int
xmlOldParseDefaultDecl(xmlParserCtxtPtr ctxt, xmlChar **value) {
int val;
xmlChar *ret;
*value = NULL;
if ((CUR == '#') && (NXT(1) == 'R') &&
(NXT(2) == 'E') && (NXT(3) == 'Q') &&
(NXT(4) == 'U') && (NXT(5) == 'I') &&
(NXT(6) == 'R') && (NXT(7) == 'E') &&
(NXT(8) == 'D')) {
SKIP(9);
return(XML_ATTRIBUTE_REQUIRED);
}
if ((CUR == '#') && (NXT(1) == 'I') &&
(NXT(2) == 'M') && (NXT(3) == 'P') &&
(NXT(4) == 'L') && (NXT(5) == 'I') &&
(NXT(6) == 'E') && (NXT(7) == 'D')) {
SKIP(8);
return(XML_ATTRIBUTE_IMPLIED);
}
val = XML_ATTRIBUTE_NONE;
if ((CUR == '#') && (NXT(1) == 'F') &&
(NXT(2) == 'I') && (NXT(3) == 'X') &&
(NXT(4) == 'E') && (NXT(5) == 'D')) {
SKIP(6);
val = XML_ATTRIBUTE_FIXED;
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after '#FIXED'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
}
ret = xmlOldParseAttValue(ctxt);
ctxt->instate = XML_PARSER_DTD;
if (ret == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Attribute default value declaration error\n");
ctxt->wellFormed = 0;
} else
*value = ret;
return(val);
}
/**
* xmlOldParseNotationType:
* @ctxt: an XML parser context
*
* parse an Notation attribute type.
*
* Note: the leading 'NOTATION' S part has already being parsed...
*
* [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')'
*
* [ VC: Notation Attributes ]
* Values of this type must match one of the notation names included
* in the declaration; all notation names in the declaration must be declared.
*
* Returns: the notation attribute tree built while parsing
*/
static xmlEnumerationPtr
xmlOldParseNotationType(xmlParserCtxtPtr ctxt) {
xmlChar *name;
xmlEnumerationPtr ret = NULL, last = NULL, cur;
if (CUR != '(') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"'(' required to start 'NOTATION'\n");
ctxt->errNo = XML_ERR_NOTATION_NOT_STARTED;
ctxt->wellFormed = 0;
return(NULL);
}
SHRINK;
do {
NEXT;
SKIP_BLANKS;
name = xmlOldParseName(ctxt);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Name expected in NOTATION declaration\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
return(ret);
}
cur = xmlCreateEnumeration(name);
xmlFree(name);
if (cur == NULL) return(ret);
if (last == NULL) ret = last = cur;
else {
last->next = cur;
last = cur;
}
SKIP_BLANKS;
} while (CUR == '|');
if (CUR != ')') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"')' required to finish NOTATION declaration\n");
ctxt->errNo = XML_ERR_NOTATION_NOT_FINISHED;
ctxt->wellFormed = 0;
return(ret);
}
NEXT;
return(ret);
}
/**
* xmlOldParseEnumerationType:
* @ctxt: an XML parser context
*
* parse an Enumeration attribute type.
*
* [59] Enumeration ::= '(' S? Nmtoken (S? '|' S? Nmtoken)* S? ')'
*
* [ VC: Enumeration ]
* Values of this type must match one of the Nmtoken tokens in
* the declaration
*
* Returns: the enumeration attribute tree built while parsing
*/
static xmlEnumerationPtr
xmlOldParseEnumerationType(xmlParserCtxtPtr ctxt) {
xmlChar *name;
xmlEnumerationPtr ret = NULL, last = NULL, cur;
if (CUR != '(') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"'(' required to start ATTLIST enumeration\n");
ctxt->errNo = XML_ERR_ATTLIST_NOT_STARTED;
ctxt->wellFormed = 0;
return(NULL);
}
SHRINK;
do {
NEXT;
SKIP_BLANKS;
name = xmlOldParseNmtoken(ctxt);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"NmToken expected in ATTLIST enumeration\n");
ctxt->errNo = XML_ERR_NMTOKEN_REQUIRED;
ctxt->wellFormed = 0;
return(ret);
}
cur = xmlCreateEnumeration(name);
xmlFree(name);
if (cur == NULL) return(ret);
if (last == NULL) ret = last = cur;
else {
last->next = cur;
last = cur;
}
SKIP_BLANKS;
} while (CUR == '|');
if (CUR != ')') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"')' required to finish ATTLIST enumeration\n");
ctxt->errNo = XML_ERR_ATTLIST_NOT_FINISHED;
ctxt->wellFormed = 0;
return(ret);
}
NEXT;
return(ret);
}
/**
* xmlOldParseEnumeratedType:
* @ctxt: an XML parser context
* @tree: the enumeration tree built while parsing
*
* parse an Enumerated attribute type.
*
* [57] EnumeratedType ::= NotationType | Enumeration
*
* [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')'
*
*
* Returns: XML_ATTRIBUTE_ENUMERATION or XML_ATTRIBUTE_NOTATION
*/
static int
xmlOldParseEnumeratedType(xmlParserCtxtPtr ctxt, xmlEnumerationPtr *tree) {
if ((CUR == 'N') && (NXT(1) == 'O') &&
(NXT(2) == 'T') && (NXT(3) == 'A') &&
(NXT(4) == 'T') && (NXT(5) == 'I') &&
(NXT(6) == 'O') && (NXT(7) == 'N')) {
SKIP(8);
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after 'NOTATION'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
return(0);
}
SKIP_BLANKS;
*tree = xmlOldParseNotationType(ctxt);
if (*tree == NULL) return(0);
return(XML_ATTRIBUTE_NOTATION);
}
*tree = xmlOldParseEnumerationType(ctxt);
if (*tree == NULL) return(0);
return(XML_ATTRIBUTE_ENUMERATION);
}
/**
* xmlOldParseAttributeType:
* @ctxt: an XML parser context
* @tree: the enumeration tree built while parsing
*
* parse the Attribute list def for an element
*
* [54] AttType ::= StringType | TokenizedType | EnumeratedType
*
* [55] StringType ::= 'CDATA'
*
* [56] TokenizedType ::= 'ID' | 'IDREF' | 'IDREFS' | 'ENTITY' |
* 'ENTITIES' | 'NMTOKEN' | 'NMTOKENS'
*
* Validity constraints for attribute values syntax are checked in
* xmlValidateAttributeValue()
*
* [ VC: ID ]
* Values of type ID must match the Name production. A name must not
* appear more than once in an XML document as a value of this type;
* i.e., ID values must uniquely identify the elements which bear them.
*
* [ VC: One ID per Element Type ]
* No element type may have more than one ID attribute specified.
*
* [ VC: ID Attribute Default ]
* An ID attribute must have a declared default of #IMPLIED or #REQUIRED.
*
* [ VC: IDREF ]
* Values of type IDREF must match the Name production, and values
* of type IDREFS must match Names; each IDREF Name must match the value
* of an ID attribute on some element in the XML document; i.e. IDREF
* values must match the value of some ID attribute.
*
* [ VC: Entity Name ]
* Values of type ENTITY must match the Name production, values
* of type ENTITIES must match Names; each Entity Name must match the
* name of an unparsed entity declared in the DTD.
*
* [ VC: Name Token ]
* Values of type NMTOKEN must match the Nmtoken production; values
* of type NMTOKENS must match Nmtokens.
*
* Returns the attribute type
*/
static int
xmlOldParseAttributeType(xmlParserCtxtPtr ctxt, xmlEnumerationPtr *tree) {
SHRINK;
if ((CUR == 'C') && (NXT(1) == 'D') &&
(NXT(2) == 'A') && (NXT(3) == 'T') &&
(NXT(4) == 'A')) {
SKIP(5);
return(XML_ATTRIBUTE_CDATA);
} else if ((CUR == 'I') && (NXT(1) == 'D') &&
(NXT(2) == 'R') && (NXT(3) == 'E') &&
(NXT(4) == 'F') && (NXT(5) == 'S')) {
SKIP(6);
return(XML_ATTRIBUTE_IDREFS);
} else if ((CUR == 'I') && (NXT(1) == 'D') &&
(NXT(2) == 'R') && (NXT(3) == 'E') &&
(NXT(4) == 'F')) {
SKIP(5);
return(XML_ATTRIBUTE_IDREF);
} else if ((CUR == 'I') && (NXT(1) == 'D')) {
SKIP(2);
return(XML_ATTRIBUTE_ID);
} else if ((CUR == 'E') && (NXT(1) == 'N') &&
(NXT(2) == 'T') && (NXT(3) == 'I') &&
(NXT(4) == 'T') && (NXT(5) == 'Y')) {
SKIP(6);
return(XML_ATTRIBUTE_ENTITY);
} else if ((CUR == 'E') && (NXT(1) == 'N') &&
(NXT(2) == 'T') && (NXT(3) == 'I') &&
(NXT(4) == 'T') && (NXT(5) == 'I') &&
(NXT(6) == 'E') && (NXT(7) == 'S')) {
SKIP(8);
return(XML_ATTRIBUTE_ENTITIES);
} else if ((CUR == 'N') && (NXT(1) == 'M') &&
(NXT(2) == 'T') && (NXT(3) == 'O') &&
(NXT(4) == 'K') && (NXT(5) == 'E') &&
(NXT(6) == 'N') && (NXT(7) == 'S')) {
SKIP(8);
return(XML_ATTRIBUTE_NMTOKENS);
} else if ((CUR == 'N') && (NXT(1) == 'M') &&
(NXT(2) == 'T') && (NXT(3) == 'O') &&
(NXT(4) == 'K') && (NXT(5) == 'E') &&
(NXT(6) == 'N')) {
SKIP(7);
return(XML_ATTRIBUTE_NMTOKEN);
}
return(xmlOldParseEnumeratedType(ctxt, tree));
}
/**
* xmlOldParseAttributeListDecl:
* @ctxt: an XML parser context
*
* : parse the Attribute list def for an element
*
* [52] AttlistDecl ::= '<!ATTLIST' S Name AttDef* S? '>'
*
* [53] AttDef ::= S Name S AttType S DefaultDecl
*
*/
static void
xmlOldParseAttributeListDecl(xmlParserCtxtPtr ctxt) {
xmlChar *elemName;
xmlChar *attrName;
xmlEnumerationPtr tree;
if ((CUR == '<') && (NXT(1) == '!') &&
(NXT(2) == 'A') && (NXT(3) == 'T') &&
(NXT(4) == 'T') && (NXT(5) == 'L') &&
(NXT(6) == 'I') && (NXT(7) == 'S') &&
(NXT(8) == 'T')) {
SKIP(9);
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after '<!ATTLIST'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
elemName = xmlOldParseName(ctxt);
if (elemName == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"ATTLIST: no name for Element\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
return;
}
SKIP_BLANKS;
while (CUR != '>') {
const xmlChar *check = CUR_PTR;
int type;
int def;
xmlChar *defaultValue = NULL;
tree = NULL;
attrName = xmlOldParseName(ctxt);
if (attrName == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"ATTLIST: no name for Attribute\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
break;
}
GROW;
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after the attribute name\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
break;
}
SKIP_BLANKS;
type = xmlOldParseAttributeType(ctxt, &tree);
if (type <= 0) break;
GROW;
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after the attribute type\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
break;
}
SKIP_BLANKS;
def = xmlOldParseDefaultDecl(ctxt, &defaultValue);
if (def <= 0) break;
GROW;
if (CUR != '>') {
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after the attribute default value\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
break;
}
SKIP_BLANKS;
}
if (check == CUR_PTR) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseAttributeListDecl: detected internal error\n");
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
break;
}
if ((ctxt->sax != NULL) && (ctxt->sax->attributeDecl != NULL))
ctxt->sax->attributeDecl(ctxt->userData, elemName, attrName,
type, def, defaultValue, tree);
if (attrName != NULL)
xmlFree(attrName);
if (defaultValue != NULL)
xmlFree(defaultValue);
GROW;
}
if (CUR == '>')
NEXT;
xmlFree(elemName);
}
}
/**
* xmlOldParseElementMixedContentDecl:
* @ctxt: an XML parser context
*
* parse the declaration for a Mixed Element content
* The leading '(' and spaces have been skipped in xmlOldParseElementContentDecl
*
* [51] Mixed ::= '(' S? '#PCDATA' (S? '|' S? Name)* S? ')*' |
* '(' S? '#PCDATA' S? ')'
*
* [ VC: Proper Group/PE Nesting ] applies to [51] too (see [49])
*
* [ VC: No Duplicate Types ]
* The same name must not appear more than once in a single
* mixed-content declaration.
*
* returns: the list of the xmlElementContentPtr describing the element choices
*/
static xmlElementContentPtr
xmlOldParseElementMixedContentDecl(xmlParserCtxtPtr ctxt) {
xmlElementContentPtr ret = NULL, cur = NULL, n;
xmlChar *elem = NULL;
GROW;
if ((CUR == '#') && (NXT(1) == 'P') &&
(NXT(2) == 'C') && (NXT(3) == 'D') &&
(NXT(4) == 'A') && (NXT(5) == 'T') &&
(NXT(6) == 'A')) {
SKIP(7);
SKIP_BLANKS;
SHRINK;
if (CUR == ')') {
NEXT;
ret = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_PCDATA);
if (CUR == '*') {
ret->ocur = XML_ELEMENT_CONTENT_MULT;
NEXT;
}
return(ret);
}
if ((CUR == '(') || (CUR == '|')) {
ret = cur = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_PCDATA);
if (ret == NULL) return(NULL);
}
while (CUR == '|') {
NEXT;
if (elem == NULL) {
ret = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_OR);
if (ret == NULL) return(NULL);
ret->c1 = cur;
cur = ret;
} else {
n = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_OR);
if (n == NULL) return(NULL);
n->c1 = xmlNewElementContent(elem, XML_ELEMENT_CONTENT_ELEMENT);
cur->c2 = n;
cur = n;
xmlFree(elem);
}
SKIP_BLANKS;
elem = xmlOldParseName(ctxt);
if (elem == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementMixedContentDecl : Name expected\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
xmlFreeElementContent(cur);
return(NULL);
}
SKIP_BLANKS;
GROW;
}
if ((CUR == ')') && (NXT(1) == '*')) {
if (elem != NULL) {
cur->c2 = xmlNewElementContent(elem,
XML_ELEMENT_CONTENT_ELEMENT);
xmlFree(elem);
}
ret->ocur = XML_ELEMENT_CONTENT_MULT;
SKIP(2);
} else {
if (elem != NULL) xmlFree(elem);
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementMixedContentDecl : '|' or ')*' expected\n");
ctxt->errNo = XML_ERR_MIXED_NOT_STARTED;
ctxt->wellFormed = 0;
xmlFreeElementContent(ret);
return(NULL);
}
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementMixedContentDecl : '#PCDATA' expected\n");
ctxt->errNo = XML_ERR_PCDATA_REQUIRED;
ctxt->wellFormed = 0;
}
return(ret);
}
/**
* xmlOldParseElementChildrenContentDecl:
* @ctxt: an XML parser context
*
* parse the declaration for a Mixed Element content
* The leading '(' and spaces have been skipped in xmlOldParseElementContentDecl
*
*
* [47] children ::= (choice | seq) ('?' | '*' | '+')?
*
* [48] cp ::= (Name | choice | seq) ('?' | '*' | '+')?
*
* [49] choice ::= '(' S? cp ( S? '|' S? cp )* S? ')'
*
* [50] seq ::= '(' S? cp ( S? ',' S? cp )* S? ')'
*
* [ VC: Proper Group/PE Nesting ] applies to [49] and [50]
* TODO Parameter-entity replacement text must be properly nested
* with parenthetized groups. That is to say, if either of the
* opening or closing parentheses in a choice, seq, or Mixed
* construct is contained in the replacement text for a parameter
* entity, both must be contained in the same replacement text. For
* interoperability, if a parameter-entity reference appears in a
* choice, seq, or Mixed construct, its replacement text should not
* be empty, and neither the first nor last non-blank character of
* the replacement text should be a connector (| or ,).
*
* returns: the tree of xmlElementContentPtr describing the element
* hierarchy.
*/
static xmlElementContentPtr
xmlOldParseElementChildrenContentDecl(xmlParserCtxtPtr ctxt) {
xmlElementContentPtr ret = NULL, cur = NULL, last = NULL, op = NULL;
xmlChar *elem;
xmlChar type = 0;
SKIP_BLANKS;
GROW;
if (CUR == '(') {
/* Recurse on first child */
NEXT;
SKIP_BLANKS;
cur = ret = xmlOldParseElementChildrenContentDecl(ctxt);
SKIP_BLANKS;
GROW;
} else {
elem = xmlOldParseName(ctxt);
if (elem == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementChildrenContentDecl : Name or '(' expected\n");
ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
ctxt->wellFormed = 0;
return(NULL);
}
cur = ret = xmlNewElementContent(elem, XML_ELEMENT_CONTENT_ELEMENT);
GROW;
if (CUR == '?') {
cur->ocur = XML_ELEMENT_CONTENT_OPT;
NEXT;
} else if (CUR == '*') {
cur->ocur = XML_ELEMENT_CONTENT_MULT;
NEXT;
} else if (CUR == '+') {
cur->ocur = XML_ELEMENT_CONTENT_PLUS;
NEXT;
} else {
cur->ocur = XML_ELEMENT_CONTENT_ONCE;
}
xmlFree(elem);
GROW;
}
SKIP_BLANKS;
SHRINK;
while (CUR != ')') {
/*
* Each loop we parse one separator and one element.
*/
if (CUR == ',') {
if (type == 0) type = CUR;
/*
* Detect "Name | Name , Name" error
*/
else if (type != CUR) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementChildrenContentDecl : '%c' expected\n",
type);
ctxt->errNo = XML_ERR_SEPARATOR_REQUIRED;
ctxt->wellFormed = 0;
xmlFreeElementContent(ret);
return(NULL);
}
NEXT;
op = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_SEQ);
if (op == NULL) {
xmlFreeElementContent(ret);
return(NULL);
}
if (last == NULL) {
op->c1 = ret;
ret = cur = op;
} else {
cur->c2 = op;
op->c1 = last;
cur =op;
last = NULL;
}
} else if (CUR == '|') {
if (type == 0) type = CUR;
/*
* Detect "Name , Name | Name" error
*/
else if (type != CUR) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementChildrenContentDecl : '%c' expected\n",
type);
ctxt->errNo = XML_ERR_SEPARATOR_REQUIRED;
ctxt->wellFormed = 0;
xmlFreeElementContent(ret);
return(NULL);
}
NEXT;
op = xmlNewElementContent(NULL, XML_ELEMENT_CONTENT_OR);
if (op == NULL) {
xmlFreeElementContent(ret);
return(NULL);
}
if (last == NULL) {
op->c1 = ret;
ret = cur = op;
} else {
cur->c2 = op;
op->c1 = last;
cur =op;
last = NULL;
}
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementChildrenContentDecl : ',' '|' or ')' expected\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_FINISHED;
xmlFreeElementContent(ret);
return(NULL);
}
GROW;
SKIP_BLANKS;
GROW;
if (CUR == '(') {
/* Recurse on second child */
NEXT;
SKIP_BLANKS;
last = xmlOldParseElementChildrenContentDecl(ctxt);
SKIP_BLANKS;
} else {
elem = xmlOldParseName(ctxt);
if (elem == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementChildrenContentDecl : Name or '(' expected\n");
ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
ctxt->wellFormed = 0;
return(NULL);
}
last = xmlNewElementContent(elem, XML_ELEMENT_CONTENT_ELEMENT);
xmlFree(elem);
if (CUR == '?') {
last->ocur = XML_ELEMENT_CONTENT_OPT;
NEXT;
} else if (CUR == '*') {
last->ocur = XML_ELEMENT_CONTENT_MULT;
NEXT;
} else if (CUR == '+') {
last->ocur = XML_ELEMENT_CONTENT_PLUS;
NEXT;
} else {
last->ocur = XML_ELEMENT_CONTENT_ONCE;
}
}
SKIP_BLANKS;
GROW;
}
if ((cur != NULL) && (last != NULL)) {
cur->c2 = last;
}
NEXT;
if (CUR == '?') {
ret->ocur = XML_ELEMENT_CONTENT_OPT;
NEXT;
} else if (CUR == '*') {
ret->ocur = XML_ELEMENT_CONTENT_MULT;
NEXT;
} else if (CUR == '+') {
ret->ocur = XML_ELEMENT_CONTENT_PLUS;
NEXT;
}
return(ret);
}
/**
* xmlOldParseElementContentDecl:
* @ctxt: an XML parser context
* @name: the name of the element being defined.
* @result: the Element Content pointer will be stored here if any
*
* parse the declaration for an Element content either Mixed or Children,
* the cases EMPTY and ANY are handled directly in xmlOldParseElementDecl
*
* [46] contentspec ::= 'EMPTY' | 'ANY' | Mixed | children
*
* returns: the type of element content XML_ELEMENT_TYPE_xxx
*/
static int
xmlOldParseElementContentDecl(xmlParserCtxtPtr ctxt, xmlChar *name,
xmlElementContentPtr *result) {
xmlElementContentPtr tree = NULL;
int res;
*result = NULL;
if (CUR != '(') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementContentDecl : '(' expected\n");
ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
ctxt->wellFormed = 0;
return(-1);
}
NEXT;
GROW;
SKIP_BLANKS;
if ((CUR == '#') && (NXT(1) == 'P') &&
(NXT(2) == 'C') && (NXT(3) == 'D') &&
(NXT(4) == 'A') && (NXT(5) == 'T') &&
(NXT(6) == 'A')) {
tree = xmlOldParseElementMixedContentDecl(ctxt);
res = XML_ELEMENT_TYPE_MIXED;
} else {
tree = xmlOldParseElementChildrenContentDecl(ctxt);
res = XML_ELEMENT_TYPE_ELEMENT;
}
SKIP_BLANKS;
/****************************
if (CUR != ')') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementContentDecl : ')' expected\n");
ctxt->wellFormed = 0;
return(-1);
}
****************************/
*result = tree;
return(res);
}
/**
* xmlOldParseElementDecl:
* @ctxt: an XML parser context
*
* parse an Element declaration.
*
* [45] elementdecl ::= '<!ELEMENT' S Name S contentspec S? '>'
*
* [ VC: Unique Element Type Declaration ]
* No element type may be declared more than once
*
* Returns the type of the element, or -1 in case of error
*/
static int
xmlOldParseElementDecl(xmlParserCtxtPtr ctxt) {
xmlChar *name;
int ret = -1;
xmlElementContentPtr content = NULL;
GROW;
if ((CUR == '<') && (NXT(1) == '!') &&
(NXT(2) == 'E') && (NXT(3) == 'L') &&
(NXT(4) == 'E') && (NXT(5) == 'M') &&
(NXT(6) == 'E') && (NXT(7) == 'N') &&
(NXT(8) == 'T')) {
SKIP(9);
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after 'ELEMENT'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
name = xmlOldParseName(ctxt);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementDecl: no name for Element\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
return(-1);
}
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space required after the element name\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
if ((CUR == 'E') && (NXT(1) == 'M') &&
(NXT(2) == 'P') && (NXT(3) == 'T') &&
(NXT(4) == 'Y')) {
SKIP(5);
/*
* Element must always be empty.
*/
ret = XML_ELEMENT_TYPE_EMPTY;
} else if ((CUR == 'A') && (NXT(1) == 'N') &&
(NXT(2) == 'Y')) {
SKIP(3);
/*
* Element is a generic container.
*/
ret = XML_ELEMENT_TYPE_ANY;
} else if (CUR == '(') {
ret = xmlOldParseElementContentDecl(ctxt, name, &content);
} else {
/*
* [ WFC: PEs in Internal Subset ] error handling.
*/
if ((CUR == '%') && (ctxt->external == 0) &&
(ctxt->inputNr == 1)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"PEReference: forbidden within markup decl in internal subset\n");
ctxt->errNo = XML_ERR_PEREF_IN_INT_SUBSET;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementDecl: 'EMPTY', 'ANY' or '(' expected\n");
ctxt->errNo = XML_ERR_ELEMCONTENT_NOT_STARTED;
}
ctxt->wellFormed = 0;
if (name != NULL) xmlFree(name);
return(-1);
}
SKIP_BLANKS;
/*
* Pop-up of finished entities.
*/
while ((CUR == 0) && (ctxt->inputNr > 1))
xmlOldPopInput(ctxt);
SKIP_BLANKS;
if (CUR != '>') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseElementDecl: expected '>' at the end\n");
ctxt->errNo = XML_ERR_GT_REQUIRED;
ctxt->wellFormed = 0;
} else {
NEXT;
if ((ctxt->sax != NULL) && (ctxt->sax->elementDecl != NULL))
ctxt->sax->elementDecl(ctxt->userData, name, ret,
content);
}
if (content != NULL) {
xmlFreeElementContent(content);
}
if (name != NULL) {
xmlFree(name);
}
}
return(ret);
}
/**
* xmlOldParseMarkupDecl:
* @ctxt: an XML parser context
*
* parse Markup declarations
*
* [29] markupdecl ::= elementdecl | AttlistDecl | EntityDecl |
* NotationDecl | PI | Comment
*
* [ VC: Proper Declaration/PE Nesting ]
* TODO Parameter-entity replacement text must be properly nested with
* markup declarations. That is to say, if either the first character
* or the last character of a markup declaration (markupdecl above) is
* contained in the replacement text for a parameter-entity reference,
* both must be contained in the same replacement text.
*
* [ WFC: PEs in Internal Subset ]
* In the internal DTD subset, parameter-entity references can occur
* only where markup declarations can occur, not within markup declarations.
* (This does not apply to references that occur in external parameter
* entities or to the external subset.)
*/
static void
xmlOldParseMarkupDecl(xmlParserCtxtPtr ctxt) {
GROW;
xmlOldParseElementDecl(ctxt);
xmlOldParseAttributeListDecl(ctxt);
xmlOldParseEntityDecl(ctxt);
xmlOldParseNotationDecl(ctxt);
xmlOldParsePI(ctxt);
xmlOldParseComment(ctxt);
/*
* This is only for internal subset. On external entities,
* the replacement is done before parsing stage
*/
if ((ctxt->external == 0) && (ctxt->inputNr == 1))
xmlOldParsePEReference(ctxt);
ctxt->instate = XML_PARSER_DTD;
}
/**
* xmlOldParseTextDecl:
* @ctxt: an XML parser context
*
* parse an XML declaration header for external entities
*
* [77] TextDecl ::= '<?xml' VersionInfo? EncodingDecl S? '?>'
*
* Returns the only valuable info for an external parsed entity, the encoding
*/
static xmlChar *
xmlOldParseTextDecl(xmlParserCtxtPtr ctxt) {
xmlChar *version;
xmlChar *encoding = NULL;
/*
* We know that '<?xml' is here.
*/
SKIP(5);
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Space needed after '<?xml'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
/*
* We may have the VersionInfo here.
*/
version = xmlOldParseVersionInfo(ctxt);
if (version == NULL)
version = xmlCharStrdup(XML_DEFAULT_VERSION);
ctxt->version = xmlStrdup(version);
xmlFree(version);
/*
* We must have the encoding declaration
*/
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Space needed here\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
encoding = xmlOldParseEncodingDecl(ctxt);
SKIP_BLANKS;
if ((CUR == '?') && (NXT(1) == '>')) {
SKIP(2);
} else if (CUR == '>') {
/* Deprecated old WD ... */
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"XML declaration must end-up with '?>'\n");
ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
ctxt->wellFormed = 0;
NEXT;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"parsing XML declaration: '?>' expected\n");
ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
ctxt->wellFormed = 0;
MOVETO_ENDTAG(CUR_PTR);
NEXT;
}
return(encoding);
}
/*
* xmlOldParseConditionalSections
* @ctxt: an XML parser context
*
* TODO : Conditionnal section are not yet supported !
*
* [61] conditionalSect ::= includeSect | ignoreSect
* [62] includeSect ::= '<![' S? 'INCLUDE' S? '[' extSubsetDecl ']]>'
* [63] ignoreSect ::= '<![' S? 'IGNORE' S? '[' ignoreSectContents* ']]>'
* [64] ignoreSectContents ::= Ignore ('<![' ignoreSectContents ']]>' Ignore)*
* [65] Ignore ::= Char* - (Char* ('<![' | ']]>') Char*)
*/
static void
xmlOldParseConditionalSections(xmlParserCtxtPtr ctxt) {
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"XML conditional section not supported\n");
/*
* Skip up to the end of the conditionnal section.
*/
while ((CUR != 0) && ((CUR != ']') || (NXT(1) != ']') || (NXT(2) != '>'))) {
NEXT;
/*
* Pop-up of finished entities.
*/
while ((CUR == 0) && (ctxt->inputNr > 1))
xmlOldPopInput(ctxt);
if (CUR == 0)
GROW;
}
if (CUR == 0)
SHRINK;
if (CUR == 0) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"XML conditional section not closed\n");
ctxt->errNo = XML_ERR_CONDSEC_NOT_FINISHED;
ctxt->wellFormed = 0;
} else {
SKIP(3);
}
}
/**
* xmlOldParseExternalSubset:
* @ctxt: an XML parser context
* @ExternalID: the external identifier
* @SystemID: the system identifier (or URL)
*
* parse Markup declarations from an external subset
*
* [30] extSubset ::= textDecl? extSubsetDecl
*
* [31] extSubsetDecl ::= (markupdecl | conditionalSect | PEReference | S) *
*/
void
xmlOldParseExternalSubset(xmlParserCtxtPtr ctxt, const xmlChar *ExternalID,
const xmlChar *SystemID) {
GROW;
if ((CUR == '<') && (NXT(1) == '?') &&
(NXT(2) == 'x') && (NXT(3) == 'm') &&
(NXT(4) == 'l')) {
xmlChar *decl;
decl = xmlOldParseTextDecl(ctxt);
if (decl != NULL)
xmlFree(decl);
}
if (ctxt->myDoc == NULL) {
ctxt->myDoc = xmlNewDoc(BAD_CAST "1.0");
}
if ((ctxt->myDoc != NULL) && (ctxt->myDoc->intSubset == NULL))
xmlCreateIntSubset(ctxt->myDoc, NULL, ExternalID, SystemID);
ctxt->instate = XML_PARSER_DTD;
ctxt->external = 1;
while (((CUR == '<') && (NXT(1) == '?')) ||
((CUR == '<') && (NXT(1) == '!')) ||
IS_BLANK(CUR)) {
const xmlChar *check = CUR_PTR;
int cons = ctxt->input->consumed;
if ((CUR == '<') && (NXT(1) == '!') && (NXT(2) == '[')) {
xmlOldParseConditionalSections(ctxt);
} else if (IS_BLANK(CUR)) {
NEXT;
} else if (CUR == '%') {
xmlOldParsePEReference(ctxt);
} else
xmlOldParseMarkupDecl(ctxt);
/*
* Pop-up of finished entities.
*/
while ((CUR == 0) && (ctxt->inputNr > 1))
xmlOldPopInput(ctxt);
if ((CUR_PTR == check) && (cons == ctxt->input->consumed)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Content error in the external subset\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_EXT_SUBSET_NOT_FINISHED;
break;
}
}
if (CUR != 0) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Extra content at the end of the document\n");
ctxt->errNo = XML_ERR_EXT_SUBSET_NOT_FINISHED;
ctxt->wellFormed = 0;
}
}
/**
* xmlOldParseReference:
* @ctxt: an XML parser context
*
* parse and handle entity references in content, depending on the SAX
* interface, this may end-up in a call to character() if this is a
* CharRef, a predefined entity, if there is no reference() callback.
* or if the parser was asked to switch to that mode.
*
* [67] Reference ::= EntityRef | CharRef
*/
static void
xmlOldParseReference(xmlParserCtxtPtr ctxt) {
xmlEntityPtr ent;
xmlChar *val;
if (CUR != '&') return;
#if 0
if (ctxt->inputNr > 1) {
xmlChar cur[2] = { '&' , 0 } ;
if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
ctxt->sax->characters(ctxt->userData, cur, 1);
if (ctxt->token == '&')
ctxt->token = 0;
else {
SKIP(1);
}
return;
}
#endif
if (NXT(1) == '#') {
xmlChar out[2];
int val = xmlOldParseCharRef(ctxt);
/* invalid for UTF-8 variable encoding !!!!! */
out[0] = val;
out[1] = 0;
if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
ctxt->sax->characters(ctxt->userData, out, 1);
} else {
ent = xmlOldParseEntityRef(ctxt);
if (ent == NULL) return;
if ((ent->name != NULL) &&
(ent->type != XML_INTERNAL_PREDEFINED_ENTITY)) {
if ((ctxt->sax != NULL) && (ctxt->sax->reference != NULL) &&
(ctxt->replaceEntities == 0)) {
/*
* Create a node.
*/
ctxt->sax->reference(ctxt->userData, ent->name);
return;
} else if (ctxt->replaceEntities) {
xmlParserInputPtr input;
input = xmlOldNewEntityInputStream(ctxt, ent);
xmlOldPushInput(ctxt, input);
return;
}
}
val = ent->content;
if (val == NULL) return;
/*
* inline the entity.
*/
if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
ctxt->sax->characters(ctxt->userData, val, xmlStrlen(val));
}
}
/**
* xmlOldParseEntityRef:
* @ctxt: an XML parser context
*
* parse ENTITY references declarations
*
* [68] EntityRef ::= '&' Name ';'
*
* [ WFC: Entity Declared ]
* In a document without any DTD, a document with only an internal DTD
* subset which contains no parameter entity references, or a document
* with "standalone='yes'", the Name given in the entity reference
* must match that in an entity declaration, except that well-formed
* documents need not declare any of the following entities: amp, lt,
* gt, apos, quot. The declaration of a parameter entity must precede
* any reference to it. Similarly, the declaration of a general entity
* must precede any reference to it which appears in a default value in an
* attribute-list declaration. Note that if entities are declared in the
* external subset or in external parameter entities, a non-validating
* processor is not obligated to read and process their declarations;
* for such documents, the rule that an entity must be declared is a
* well-formedness constraint only if standalone='yes'.
*
* [ WFC: Parsed Entity ]
* An entity reference must not contain the name of an unparsed entity
*
* Returns the xmlEntityPtr if found, or NULL otherwise.
*/
static xmlEntityPtr
xmlOldParseEntityRef(xmlParserCtxtPtr ctxt) {
xmlChar *name;
xmlEntityPtr ent = NULL;
GROW;
if (CUR == '&') {
NEXT;
name = xmlOldParseName(ctxt);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseEntityRef: no name\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
} else {
if (CUR == ';') {
NEXT;
/*
* Ask first SAX for entity resolution, otherwise try the
* predefined set.
*/
if (ctxt->sax != NULL) {
if (ctxt->sax->getEntity != NULL)
ent = ctxt->sax->getEntity(ctxt->userData, name);
if (ent == NULL)
ent = xmlGetPredefinedEntity(name);
}
/*
* [ WFC: Entity Declared ]
* In a document without any DTD, a document with only an
* internal DTD subset which contains no parameter entity
* references, or a document with "standalone='yes'", the
* Name given in the entity reference must match that in an
* entity declaration, except that well-formed documents
* need not declare any of the following entities: amp, lt,
* gt, apos, quot.
* The declaration of a parameter entity must precede any
* reference to it.
* Similarly, the declaration of a general entity must
* precede any reference to it which appears in a default
* value in an attribute-list declaration. Note that if
* entities are declared in the external subset or in
* external parameter entities, a non-validating processor
* is not obligated to read and process their declarations;
* for such documents, the rule that an entity must be
* declared is a well-formedness constraint only if
* standalone='yes'.
*/
if (ent == NULL) {
if ((ctxt->standalone == 1) ||
((ctxt->hasExternalSubset == 0) &&
(ctxt->hasPErefs == 0))) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Entity '%s' not defined\n", name);
ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
ctxt->wellFormed = 0;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"Entity '%s' not defined\n", name);
ctxt->errNo = XML_WAR_UNDECLARED_ENTITY;
}
}
/*
* [ WFC: Parsed Entity ]
* An entity reference must not contain the name of an
* unparsed entity
*/
else if (ent->type == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Entity reference to unparsed entity %s\n", name);
ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
ctxt->wellFormed = 0;
}
/*
* [ WFC: No External Entity References ]
* Attribute values cannot contain direct or indirect
* entity references to external entities.
*/
else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
(ent->type == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Attribute references external entity '%s'\n", name);
ctxt->errNo = XML_ERR_ENTITY_IS_EXTERNAL;
ctxt->wellFormed = 0;
}
/*
* [ WFC: No < in Attribute Values ]
* The replacement text of any entity referred to directly or
* indirectly in an attribute value (other than "<") must
* not contain a <.
*/
else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
(ent != NULL) &&
(xmlStrcmp(ent->name, BAD_CAST "lt")) &&
(ent->content != NULL) &&
(xmlStrchr(ent->content, '<'))) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"'<' in entity '%s' is not allowed in attributes values\n", name);
ctxt->errNo = XML_ERR_LT_IN_ATTRIBUTE;
ctxt->wellFormed = 0;
}
/*
* Internal check, no parameter entities here ...
*/
else {
switch (ent->type) {
case XML_INTERNAL_PARAMETER_ENTITY:
case XML_EXTERNAL_PARAMETER_ENTITY:
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Attempt to reference the parameter entity '%s'\n", name);
ctxt->errNo = XML_ERR_ENTITY_IS_PARAMETER;
ctxt->wellFormed = 0;
break;
}
}
/*
* [ WFC: No Recursion ]
* TODO A parsed entity must not contain a recursive reference
* to itself, either directly or indirectly.
*/
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseEntityRef: expecting ';'\n");
ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
ctxt->wellFormed = 0;
}
xmlFree(name);
}
}
return(ent);
}
/**
* xmlOldParseStringEntityRef:
* @ctxt: an XML parser context
* @str: a pointer to an index in the string
*
* parse ENTITY references declarations, but this version parses it from
* a string value.
*
* [68] EntityRef ::= '&' Name ';'
*
* [ WFC: Entity Declared ]
* In a document without any DTD, a document with only an internal DTD
* subset which contains no parameter entity references, or a document
* with "standalone='yes'", the Name given in the entity reference
* must match that in an entity declaration, except that well-formed
* documents need not declare any of the following entities: amp, lt,
* gt, apos, quot. The declaration of a parameter entity must precede
* any reference to it. Similarly, the declaration of a general entity
* must precede any reference to it which appears in a default value in an
* attribute-list declaration. Note that if entities are declared in the
* external subset or in external parameter entities, a non-validating
* processor is not obligated to read and process their declarations;
* for such documents, the rule that an entity must be declared is a
* well-formedness constraint only if standalone='yes'.
*
* [ WFC: Parsed Entity ]
* An entity reference must not contain the name of an unparsed entity
*
* Returns the xmlEntityPtr if found, or NULL otherwise. The str pointer
* is updated to the current location in the string.
*/
static xmlEntityPtr
xmlOldParseStringEntityRef(xmlParserCtxtPtr ctxt, const xmlChar ** str) {
xmlChar *name;
const xmlChar *ptr;
xmlChar cur;
xmlEntityPtr ent = NULL;
GROW;
if ((str == NULL) || (*str == NULL)) return(NULL); /* !!! */
ptr = *str;
cur = *ptr;
if (cur == '&') {
ptr++;
cur = *ptr;
name = xmlOldParseStringName(ctxt, &ptr);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseEntityRef: no name\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
} else {
if (CUR == ';') {
NEXT;
/*
* Ask first SAX for entity resolution, otherwise try the
* predefined set.
*/
if (ctxt->sax != NULL) {
if (ctxt->sax->getEntity != NULL)
ent = ctxt->sax->getEntity(ctxt->userData, name);
if (ent == NULL)
ent = xmlGetPredefinedEntity(name);
}
/*
* [ WFC: Entity Declared ]
* In a document without any DTD, a document with only an
* internal DTD subset which contains no parameter entity
* references, or a document with "standalone='yes'", the
* Name given in the entity reference must match that in an
* entity declaration, except that well-formed documents
* need not declare any of the following entities: amp, lt,
* gt, apos, quot.
* The declaration of a parameter entity must precede any
* reference to it.
* Similarly, the declaration of a general entity must
* precede any reference to it which appears in a default
* value in an attribute-list declaration. Note that if
* entities are declared in the external subset or in
* external parameter entities, a non-validating processor
* is not obligated to read and process their declarations;
* for such documents, the rule that an entity must be
* declared is a well-formedness constraint only if
* standalone='yes'.
*/
if (ent == NULL) {
if ((ctxt->standalone == 1) ||
((ctxt->hasExternalSubset == 0) &&
(ctxt->hasPErefs == 0))) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Entity '%s' not defined\n", name);
ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
ctxt->wellFormed = 0;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"Entity '%s' not defined\n", name);
ctxt->errNo = XML_WAR_UNDECLARED_ENTITY;
}
}
/*
* [ WFC: Parsed Entity ]
* An entity reference must not contain the name of an
* unparsed entity
*/
else if (ent->type == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Entity reference to unparsed entity %s\n", name);
ctxt->errNo = XML_ERR_UNPARSED_ENTITY;
ctxt->wellFormed = 0;
}
/*
* [ WFC: No External Entity References ]
* Attribute values cannot contain direct or indirect
* entity references to external entities.
*/
else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
(ent->type == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Attribute references external entity '%s'\n", name);
ctxt->errNo = XML_ERR_ENTITY_IS_EXTERNAL;
ctxt->wellFormed = 0;
}
/*
* [ WFC: No < in Attribute Values ]
* The replacement text of any entity referred to directly or
* indirectly in an attribute value (other than "<") must
* not contain a <.
*/
else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) &&
(ent != NULL) &&
(xmlStrcmp(ent->name, BAD_CAST "lt")) &&
(ent->content != NULL) &&
(xmlStrchr(ent->content, '<'))) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"'<' in entity '%s' is not allowed in attributes values\n", name);
ctxt->errNo = XML_ERR_LT_IN_ATTRIBUTE;
ctxt->wellFormed = 0;
}
/*
* Internal check, no parameter entities here ...
*/
else {
switch (ent->type) {
case XML_INTERNAL_PARAMETER_ENTITY:
case XML_EXTERNAL_PARAMETER_ENTITY:
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Attempt to reference the parameter entity '%s'\n", name);
ctxt->errNo = XML_ERR_ENTITY_IS_PARAMETER;
ctxt->wellFormed = 0;
break;
}
}
/*
* [ WFC: No Recursion ]
* TODO A parsed entity must not contain a recursive reference
* to itself, either directly or indirectly.
*/
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseEntityRef: expecting ';'\n");
ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
ctxt->wellFormed = 0;
}
xmlFree(name);
}
}
return(ent);
}
/**
* xmlOldParsePEReference:
* @ctxt: an XML parser context
*
* parse PEReference declarations
* The entity content is handled directly by pushing it's content as
* a new input stream.
*
* [69] PEReference ::= '%' Name ';'
*
* [ WFC: No Recursion ]
* TODO A parsed entity must not contain a recursive
* reference to itself, either directly or indirectly.
*
* [ WFC: Entity Declared ]
* In a document without any DTD, a document with only an internal DTD
* subset which contains no parameter entity references, or a document
* with "standalone='yes'", ... ... The declaration of a parameter
* entity must precede any reference to it...
*
* [ VC: Entity Declared ]
* In a document with an external subset or external parameter entities
* with "standalone='no'", ... ... The declaration of a parameter entity
* must precede any reference to it...
*
* [ WFC: In DTD ]
* Parameter-entity references may only appear in the DTD.
* NOTE: misleading but this is handled.
*/
static void
xmlOldParsePEReference(xmlParserCtxtPtr ctxt) {
xmlChar *name;
xmlEntityPtr entity = NULL;
xmlParserInputPtr input;
if (CUR == '%') {
NEXT;
name = xmlOldParseName(ctxt);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParsePEReference: no name\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
} else {
if (CUR == ';') {
NEXT;
if ((ctxt->sax != NULL) &&
(ctxt->sax->getParameterEntity != NULL))
entity = ctxt->sax->getParameterEntity(ctxt->userData,
name);
if (entity == NULL) {
/*
* [ WFC: Entity Declared ]
* In a document without any DTD, a document with only an
* internal DTD subset which contains no parameter entity
* references, or a document with "standalone='yes'", ...
* ... The declaration of a parameter entity must precede
* any reference to it...
*/
if ((ctxt->standalone == 1) ||
((ctxt->hasExternalSubset == 0) &&
(ctxt->hasPErefs == 0))) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"PEReference: %%%s; not found\n", name);
ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
ctxt->wellFormed = 0;
} else {
/*
* [ VC: Entity Declared ]
* In a document with an external subset or external
* parameter entities with "standalone='no'", ...
* ... The declaration of a parameter entity must precede
* any reference to it...
*/
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"PEReference: %%%s; not found\n", name);
ctxt->valid = 0;
}
} else {
/*
* Internal checking in case the entity quest barfed
*/
if ((entity->type != XML_INTERNAL_PARAMETER_ENTITY) &&
(entity->type != XML_EXTERNAL_PARAMETER_ENTITY)) {
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"Internal: %%%s; is not a parameter entity\n", name);
} else {
input = xmlOldNewEntityInputStream(ctxt, entity);
xmlOldPushInput(ctxt, input);
}
}
ctxt->hasPErefs = 1;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParsePEReference: expecting ';'\n");
ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
ctxt->wellFormed = 0;
}
xmlFree(name);
}
}
}
/**
* xmlOldParseStringPEReference:
* @ctxt: an XML parser context
* @str: a pointer to an index in the string
*
* parse PEReference declarations
*
* [69] PEReference ::= '%' Name ';'
*
* [ WFC: No Recursion ]
* TODO A parsed entity must not contain a recursive
* reference to itself, either directly or indirectly.
*
* [ WFC: Entity Declared ]
* In a document without any DTD, a document with only an internal DTD
* subset which contains no parameter entity references, or a document
* with "standalone='yes'", ... ... The declaration of a parameter
* entity must precede any reference to it...
*
* [ VC: Entity Declared ]
* In a document with an external subset or external parameter entities
* with "standalone='no'", ... ... The declaration of a parameter entity
* must precede any reference to it...
*
* [ WFC: In DTD ]
* Parameter-entity references may only appear in the DTD.
* NOTE: misleading but this is handled.
*
* Returns the string of the entity content.
* str is updated to the current value of the index
*/
static xmlEntityPtr
xmlOldParseStringPEReference(xmlParserCtxtPtr ctxt, const xmlChar **str) {
const xmlChar *ptr;
xmlChar cur;
xmlChar *name;
xmlEntityPtr entity = NULL;
if ((str == NULL) || (*str == NULL)) return(NULL);
ptr = *str;
cur = *ptr;
if (cur == '%') {
ptr++;
cur = *ptr;
name = xmlOldParseStringName(ctxt, &ptr);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseStringPEReference: no name\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
} else {
cur = *ptr;
if (cur == ';') {
ptr++;
cur = *ptr;
if ((ctxt->sax != NULL) &&
(ctxt->sax->getParameterEntity != NULL))
entity = ctxt->sax->getParameterEntity(ctxt->userData,
name);
if (entity == NULL) {
/*
* [ WFC: Entity Declared ]
* In a document without any DTD, a document with only an
* internal DTD subset which contains no parameter entity
* references, or a document with "standalone='yes'", ...
* ... The declaration of a parameter entity must precede
* any reference to it...
*/
if ((ctxt->standalone == 1) ||
((ctxt->hasExternalSubset == 0) &&
(ctxt->hasPErefs == 0))) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"PEReference: %%%s; not found\n", name);
ctxt->errNo = XML_ERR_UNDECLARED_ENTITY;
ctxt->wellFormed = 0;
} else {
/*
* [ VC: Entity Declared ]
* In a document with an external subset or external
* parameter entities with "standalone='no'", ...
* ... The declaration of a parameter entity must
* precede any reference to it...
*/
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"PEReference: %%%s; not found\n", name);
ctxt->valid = 0;
}
} else {
/*
* Internal checking in case the entity quest barfed
*/
if ((entity->type != XML_INTERNAL_PARAMETER_ENTITY) &&
(entity->type != XML_EXTERNAL_PARAMETER_ENTITY)) {
if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
ctxt->sax->warning(ctxt->userData,
"Internal: %%%s; is not a parameter entity\n", name);
}
}
ctxt->hasPErefs = 1;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseStringPEReference: expecting ';'\n");
ctxt->errNo = XML_ERR_ENTITYREF_SEMICOL_MISSING;
ctxt->wellFormed = 0;
}
xmlFree(name);
}
}
*str = ptr;
return(entity);
}
/**
* xmlOldParseDocTypeDecl :
* @ctxt: an XML parser context
*
* parse a DOCTYPE declaration
*
* [28] doctypedecl ::= '<!DOCTYPE' S Name (S ExternalID)? S?
* ('[' (markupdecl | PEReference | S)* ']' S?)? '>'
*
* [ VC: Root Element Type ]
* The Name in the document type declaration must match the element
* type of the root element.
*/
static void
xmlOldParseDocTypeDecl(xmlParserCtxtPtr ctxt) {
xmlChar *name;
xmlChar *ExternalID = NULL;
xmlChar *URI = NULL;
/*
* We know that '<!DOCTYPE' has been detected.
*/
SKIP(9);
SKIP_BLANKS;
/*
* Parse the DOCTYPE name.
*/
name = xmlOldParseName(ctxt);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseDocTypeDecl : no DOCTYPE name !\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_NAME_REQUIRED;
}
SKIP_BLANKS;
/*
* Check for SystemID and ExternalID
*/
URI = xmlOldParseExternalID(ctxt, &ExternalID, 1);
if ((URI != NULL) || (ExternalID != NULL)) {
ctxt->hasExternalSubset = 1;
}
SKIP_BLANKS;
/*
* NOTE: the SAX callback may try to fetch the external subset
* entity and fill it up !
*/
if ((ctxt->sax != NULL) && (ctxt->sax->internalSubset != NULL))
ctxt->sax->internalSubset(ctxt->userData, name, ExternalID, URI);
/*
* Cleanup
*/
if (URI != NULL) xmlFree(URI);
if (ExternalID != NULL) xmlFree(ExternalID);
if (name != NULL) xmlFree(name);
/*
* Is there any internal subset declarations ?
* they are handled separately in xmlOldParseInternalSubset()
*/
if (CUR == '[')
return;
/*
* We should be at the end of the DOCTYPE declaration.
*/
if (CUR != '>') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "DOCTYPE unproperly terminated\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_DOCTYPE_NOT_FINISHED;
}
NEXT;
}
/**
* xmlOldParseInternalsubset :
* @ctxt: an XML parser context
*
* parse the internal subset declaration
*
* [28 end] ('[' (markupdecl | PEReference | S)* ']' S?)? '>'
*/
static void
xmlOldParseInternalSubset(xmlParserCtxtPtr ctxt) {
/*
* Is there any DTD definition ?
*/
if (CUR == '[') {
ctxt->instate = XML_PARSER_DTD;
NEXT;
/*
* Parse the succession of Markup declarations and
* PEReferences.
* Subsequence (markupdecl | PEReference | S)*
*/
while (CUR != ']') {
const xmlChar *check = CUR_PTR;
int cons = ctxt->input->consumed;
SKIP_BLANKS;
xmlOldParseMarkupDecl(ctxt);
xmlOldParsePEReference(ctxt);
/*
* Pop-up of finished entities.
*/
while ((CUR == 0) && (ctxt->inputNr > 1))
xmlOldPopInput(ctxt);
if ((CUR_PTR == check) && (cons == ctxt->input->consumed)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseInternalSubset: error detected in Markup declaration\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
break;
}
}
if (CUR == ']') NEXT;
}
/*
* We should be at the end of the DOCTYPE declaration.
*/
if (CUR != '>') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "DOCTYPE unproperly terminated\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_DOCTYPE_NOT_FINISHED;
}
NEXT;
}
/**
* xmlOldParseAttribute:
* @ctxt: an XML parser context
* @value: a xmlChar ** used to store the value of the attribute
*
* parse an attribute
*
* [41] Attribute ::= Name Eq AttValue
*
* [ WFC: No External Entity References ]
* Attribute values cannot contain direct or indirect entity references
* to external entities.
*
* [ WFC: No < in Attribute Values ]
* The replacement text of any entity referred to directly or indirectly in
* an attribute value (other than "<") must not contain a <.
*
* [ VC: Attribute Value Type ]
* The attribute must have been declared; the value must be of the type
* declared for it.
*
* [25] Eq ::= S? '=' S?
*
* With namespace:
*
* [NS 11] Attribute ::= QName Eq AttValue
*
* Also the case QName == xmlns:??? is handled independently as a namespace
* definition.
*
* Returns the attribute name, and the value in *value.
*/
static xmlChar *
xmlOldParseAttribute(xmlParserCtxtPtr ctxt, xmlChar **value) {
xmlChar *name, *val;
*value = NULL;
name = xmlOldParseName(ctxt);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "error parsing attribute name\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_NAME_REQUIRED;
return(NULL);
}
/*
* read the value
*/
SKIP_BLANKS;
if (CUR == '=') {
NEXT;
SKIP_BLANKS;
val = xmlOldParseAttValue(ctxt);
ctxt->instate = XML_PARSER_CONTENT;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Specification mandate value for attribute %s\n", name);
ctxt->errNo = XML_ERR_ATTRIBUTE_WITHOUT_VALUE;
ctxt->wellFormed = 0;
return(NULL);
}
*value = val;
return(name);
}
/**
* xmlOldParseStartTag:
* @ctxt: an XML parser context
*
* parse a start of tag either for rule element or
* EmptyElement. In both case we don't parse the tag closing chars.
*
* [40] STag ::= '<' Name (S Attribute)* S? '>'
*
* [ WFC: Unique Att Spec ]
* No attribute name may appear more than once in the same start-tag or
* empty-element tag.
*
* [44] EmptyElemTag ::= '<' Name (S Attribute)* S? '/>'
*
* [ WFC: Unique Att Spec ]
* No attribute name may appear more than once in the same start-tag or
* empty-element tag.
*
* With namespace:
*
* [NS 8] STag ::= '<' QName (S Attribute)* S? '>'
*
* [NS 10] EmptyElement ::= '<' QName (S Attribute)* S? '/>'
*
* Returne the element name parsed
*/
static xmlChar *
xmlOldParseStartTag(xmlParserCtxtPtr ctxt) {
xmlChar *name;
xmlChar *attname;
xmlChar *attvalue;
const xmlChar **atts = NULL;
int nbatts = 0;
int maxatts = 0;
int i;
if (CUR != '<') return(NULL);
NEXT;
name = xmlOldParseName(ctxt);
if (name == NULL) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseStartTag: invalid element name\n");
ctxt->errNo = XML_ERR_NAME_REQUIRED;
ctxt->wellFormed = 0;
return(NULL);
}
/*
* Now parse the attributes, it ends up with the ending
*
* (S Attribute)* S?
*/
SKIP_BLANKS;
GROW;
while ((IS_CHAR(CUR)) &&
(CUR != '>') &&
((CUR != '/') || (NXT(1) != '>'))) {
const xmlChar *q = CUR_PTR;
int cons = ctxt->input->consumed;
attname = xmlOldParseAttribute(ctxt, &attvalue);
if ((attname != NULL) && (attvalue != NULL)) {
/*
* [ WFC: Unique Att Spec ]
* No attribute name may appear more than once in the same
* start-tag or empty-element tag.
*/
for (i = 0; i < nbatts;i += 2) {
if (!xmlStrcmp(atts[i], attname)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Attribute %s redefined\n",
attname);
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_ATTRIBUTE_REDEFINED;
xmlFree(attname);
xmlFree(attvalue);
goto failed;
}
}
/*
* Add the pair to atts
*/
if (atts == NULL) {
maxatts = 10;
atts = (const xmlChar **) xmlMalloc(maxatts * sizeof(xmlChar *));
if (atts == NULL) {
fprintf(stderr, "malloc of %ld byte failed\n",
maxatts * (long)sizeof(xmlChar *));
return(NULL);
}
} else if (nbatts + 4 > maxatts) {
maxatts *= 2;
atts = (const xmlChar **) xmlRealloc(atts,
maxatts * sizeof(xmlChar *));
if (atts == NULL) {
fprintf(stderr, "realloc of %ld byte failed\n",
maxatts * (long)sizeof(xmlChar *));
return(NULL);
}
}
atts[nbatts++] = attname;
atts[nbatts++] = attvalue;
atts[nbatts] = NULL;
atts[nbatts + 1] = NULL;
}
failed:
SKIP_BLANKS;
if ((cons == ctxt->input->consumed) && (q == CUR_PTR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseStartTag: problem parsing attributes\n");
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
ctxt->wellFormed = 0;
break;
}
GROW;
}
/*
* SAX: Start of Element !
*/
if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL))
ctxt->sax->startElement(ctxt->userData, name, atts);
if (atts != NULL) {
for (i = 0;i < nbatts;i++) xmlFree((xmlChar *) atts[i]);
xmlFree(atts);
}
return(name);
}
/**
* xmlOldParseEndTag:
* @ctxt: an XML parser context
*
* parse an end of tag
*
* [42] ETag ::= '</' Name S? '>'
*
* With namespace
*
* [NS 9] ETag ::= '</' QName S? '>'
*/
static void
xmlOldParseEndTag(xmlParserCtxtPtr ctxt) {
xmlChar *name;
xmlChar *oldname;
GROW;
if ((CUR != '<') || (NXT(1) != '/')) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "xmlParseEndTag: '</' not found\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_LTSLASH_REQUIRED;
return;
}
SKIP(2);
name = xmlOldParseName(ctxt);
/*
* We should definitely be at the ending "S? '>'" part
*/
GROW;
SKIP_BLANKS;
if ((!IS_CHAR(CUR)) || (CUR != '>')) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "End tag : expected '>'\n");
ctxt->errNo = XML_ERR_GT_REQUIRED;
ctxt->wellFormed = 0;
} else
NEXT;
/*
* [ WFC: Element Type Match ]
* The Name in an element's end-tag must match the element type in the
* start-tag.
*
*/
if ((name == NULL) || (ctxt->name == NULL) ||
(xmlStrcmp(name, ctxt->name))) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) {
if ((name != NULL) && (ctxt->name != NULL)) {
ctxt->sax->error(ctxt->userData,
"Opening and ending tag mismatch: %s and %s\n",
ctxt->name, name);
} else if (ctxt->name != NULL) {
ctxt->sax->error(ctxt->userData,
"Ending tag eror for: %s\n", ctxt->name);
} else {
ctxt->sax->error(ctxt->userData,
"Ending tag error: internal error ???\n");
}
}
ctxt->errNo = XML_ERR_TAG_NAME_MISMATCH;
ctxt->wellFormed = 0;
}
/*
* SAX: End of Tag
*/
if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
ctxt->sax->endElement(ctxt->userData, name);
if (name != NULL)
xmlFree(name);
oldname = nameOldPop(ctxt);
if (oldname != NULL) {
#ifdef DEBUG_STACK
fprintf(stderr,"Close: popped %s\n", oldname);
#endif
xmlFree(oldname);
}
return;
}
/**
* xmlOldParseCDSect:
* @ctxt: an XML parser context
*
* Parse escaped pure raw content.
*
* [18] CDSect ::= CDStart CData CDEnd
*
* [19] CDStart ::= '<![CDATA['
*
* [20] Data ::= (Char* - (Char* ']]>' Char*))
*
* [21] CDEnd ::= ']]>'
*/
static void
xmlOldParseCDSect(xmlParserCtxtPtr ctxt) {
xmlChar *buf = NULL;
int len = 0;
int size = XML_PARSER_BUFFER_SIZE;
xmlChar r, s;
xmlChar cur;
if ((NXT(0) == '<') && (NXT(1) == '!') &&
(NXT(2) == '[') && (NXT(3) == 'C') &&
(NXT(4) == 'D') && (NXT(5) == 'A') &&
(NXT(6) == 'T') && (NXT(7) == 'A') &&
(NXT(8) == '[')) {
SKIP(9);
} else
return;
ctxt->instate = XML_PARSER_CDATA_SECTION;
if (!IS_CHAR(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"CData section not finished\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_CDATA_NOT_FINISHED;
ctxt->instate = XML_PARSER_CONTENT;
return;
}
r = CUR;
NEXT;
if (!IS_CHAR(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"CData section not finished\n");
ctxt->errNo = XML_ERR_CDATA_NOT_FINISHED;
ctxt->wellFormed = 0;
ctxt->instate = XML_PARSER_CONTENT;
return;
}
s = CUR;
NEXT;
cur = CUR;
buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "malloc of %d byte failed\n", size);
return;
}
while (IS_CHAR(cur) &&
((r != ']') || (s != ']') || (cur != '>'))) {
if (len + 1 >= size) {
size *= 2;
buf = xmlRealloc(buf, size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "realloc of %d byte failed\n", size);
return;
}
}
buf[len++] = r;
r = s;
s = cur;
NEXT;
cur = CUR;
}
buf[len] = 0;
ctxt->instate = XML_PARSER_CONTENT;
if (!IS_CHAR(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"CData section not finished\n%.50s\n", buf);
ctxt->errNo = XML_ERR_CDATA_NOT_FINISHED;
ctxt->wellFormed = 0;
xmlFree(buf);
return;
}
NEXT;
/*
* Ok the buffer is to be consumed as cdata.
*/
if (ctxt->sax != NULL) {
if (ctxt->sax->cdataBlock != NULL)
ctxt->sax->cdataBlock(ctxt->userData, buf, len);
}
xmlFree(buf);
}
/**
* xmlOldParseContent:
* @ctxt: an XML parser context
*
* Parse a content:
*
* [43] content ::= (element | CharData | Reference | CDSect | PI | Comment)*
*/
static void
xmlOldParseContent(xmlParserCtxtPtr ctxt) {
GROW;
while ((CUR != '<') || (NXT(1) != '/')) {
const xmlChar *test = CUR_PTR;
int cons = ctxt->input->consumed;
int tok = ctxt->token;
/*
* Handle possible processed charrefs.
*/
if (ctxt->token != 0) {
xmlOldParseCharData(ctxt, 0);
}
/*
* First case : a Processing Instruction.
*/
else if ((RAW == '<') && (NXT(1) == '?')) {
xmlOldParsePI(ctxt);
}
/*
* Second case : a CDSection
*/
else if ((RAW == '<') && (NXT(1) == '!') &&
(NXT(2) == '[') && (NXT(3) == 'C') &&
(NXT(4) == 'D') && (NXT(5) == 'A') &&
(NXT(6) == 'T') && (NXT(7) == 'A') &&
(NXT(8) == '[')) {
xmlOldParseCDSect(ctxt);
}
/*
* Third case : a comment
*/
else if ((RAW == '<') && (NXT(1) == '!') &&
(NXT(2) == '-') && (NXT(3) == '-')) {
xmlOldParseComment(ctxt);
ctxt->instate = XML_PARSER_CONTENT;
}
/*
* Fourth case : a sub-element.
*/
else if (RAW == '<') {
xmlOldParseElement(ctxt);
}
/*
* Fifth case : a reference. If if has not been resolved,
* parsing returns it's Name, create the node
*/
else if (RAW == '&') {
xmlOldParseReference(ctxt);
}
/*
* Last case, text. Note that References are handled directly.
*/
else {
xmlOldParseCharData(ctxt, 0);
}
GROW;
/*
* Pop-up of finished entities.
*/
while ((RAW == 0) && (ctxt->inputNr > 1))
xmlOldPopInput(ctxt);
SHRINK;
if ((cons == ctxt->input->consumed) && (test == CUR_PTR) &&
(tok == ctxt->token)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"detected an error in element content\n");
ctxt->errNo = XML_ERR_INTERNAL_ERROR;
ctxt->wellFormed = 0;
break;
}
}
}
/**
* xmlOldParseElement:
* @ctxt: an XML parser context
*
* parse an XML element, this is highly recursive
*
* [39] element ::= EmptyElemTag | STag content ETag
*
* [ WFC: Element Type Match ]
* The Name in an element's end-tag must match the element type in the
* start-tag.
*
* [ VC: Element Valid ]
* An element is valid if there is a declaration matching elementdecl
* where the Name matches the element type and one of the following holds:
* - The declaration matches EMPTY and the element has no content.
* - The declaration matches children and the sequence of child elements
* belongs to the language generated by the regular expression in the
* content model, with optional white space (characters matching the
* nonterminal S) between each pair of child elements.
* - The declaration matches Mixed and the content consists of character
* data and child elements whose types match names in the content model.
* - The declaration matches ANY, and the types of any child elements have
* been declared.
*/
static void
xmlOldParseElement(xmlParserCtxtPtr ctxt) {
const xmlChar *openTag = CUR_PTR;
xmlChar *name;
xmlChar *oldname;
xmlParserNodeInfo node_info;
xmlNodePtr ret;
/* Capture start position */
if (ctxt->record_info) {
node_info.begin_pos = ctxt->input->consumed +
(CUR_PTR - ctxt->input->base);
node_info.begin_line = ctxt->input->line;
}
name = xmlOldParseStartTag(ctxt);
if (name == NULL) {
return;
}
nameOldPush(ctxt, name);
ret = ctxt->node;
/*
* [ VC: Root Element Type ]
* The Name in the document type declaration must match the element
* type of the root element.
*/
if (ctxt->validate && ctxt->wellFormed && ctxt->myDoc &&
ctxt->node && (ctxt->node == ctxt->myDoc->root))
ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
/*
* Check for an Empty Element.
*/
if ((CUR == '/') && (NXT(1) == '>')) {
SKIP(2);
if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
ctxt->sax->endElement(ctxt->userData, name);
oldname = nameOldPop(ctxt);
if (oldname != NULL) {
#ifdef DEBUG_STACK
fprintf(stderr,"Close: popped %s\n", oldname);
#endif
xmlFree(oldname);
}
return;
}
if (CUR == '>') {
NEXT;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Couldn't find end of Start Tag\n%.30s\n",
openTag);
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_GT_REQUIRED;
/*
* end of parsing of this node.
*/
nodeOldPop(ctxt);
oldname = nameOldPop(ctxt);
if (oldname != NULL) {
#ifdef DEBUG_STACK
fprintf(stderr,"Close: popped %s\n", oldname);
#endif
xmlFree(oldname);
}
/*
* Capture end position and add node
*/
if ( ret != NULL && ctxt->record_info ) {
node_info.end_pos = ctxt->input->consumed +
(CUR_PTR - ctxt->input->base);
node_info.end_line = ctxt->input->line;
node_info.node = ret;
xmlParserAddNodeInfo(ctxt, &node_info);
}
return;
}
/*
* Parse the content of the element:
*/
xmlOldParseContent(ctxt);
if (!IS_CHAR(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Premature end of data in tag %.30s\n", openTag);
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_TAG_NOT_FINISED;
/*
* end of parsing of this node.
*/
nodeOldPop(ctxt);
oldname = nameOldPop(ctxt);
if (oldname != NULL) {
#ifdef DEBUG_STACK
fprintf(stderr,"Close: popped %s\n", oldname);
#endif
xmlFree(oldname);
}
return;
}
/*
* parse the end of tag: '</' should be here.
*/
xmlOldParseEndTag(ctxt);
/*
* Capture end position and add node
*/
if ( ret != NULL && ctxt->record_info ) {
node_info.end_pos = ctxt->input->consumed +
(CUR_PTR - ctxt->input->base);
node_info.end_line = ctxt->input->line;
node_info.node = ret;
xmlParserAddNodeInfo(ctxt, &node_info);
}
}
/**
* xmlOldParseVersionNum:
* @ctxt: an XML parser context
*
* parse the XML version value.
*
* [26] VersionNum ::= ([a-zA-Z0-9_.:] | '-')+
*
* Returns the string giving the XML version number, or NULL
*/
static xmlChar *
xmlOldParseVersionNum(xmlParserCtxtPtr ctxt) {
xmlChar *buf = NULL;
int len = 0;
int size = 10;
xmlChar cur;
buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "malloc of %d byte failed\n", size);
return(NULL);
}
cur = CUR;
while (IS_CHAR(cur) &&
(((cur >= 'a') && (cur <= 'z')) ||
((cur >= 'A') && (cur <= 'Z')) ||
((cur >= '0') && (cur <= '9')) ||
(cur == '_') || (cur == '.') ||
(cur == ':') || (cur == '-'))) {
if (len + 1 >= size) {
size *= 2;
buf = xmlRealloc(buf, size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "realloc of %d byte failed\n", size);
return(NULL);
}
}
buf[len++] = cur;
NEXT;
cur=CUR;
}
buf[len] = 0;
return(buf);
}
/**
* xmlOldParseVersionInfo:
* @ctxt: an XML parser context
*
* parse the XML version.
*
* [24] VersionInfo ::= S 'version' Eq (' VersionNum ' | " VersionNum ")
*
* [25] Eq ::= S? '=' S?
*
* Returns the version string, e.g. "1.0"
*/
static xmlChar *
xmlOldParseVersionInfo(xmlParserCtxtPtr ctxt) {
xmlChar *version = NULL;
const xmlChar *q;
if ((CUR == 'v') && (NXT(1) == 'e') &&
(NXT(2) == 'r') && (NXT(3) == 's') &&
(NXT(4) == 'i') && (NXT(5) == 'o') &&
(NXT(6) == 'n')) {
SKIP(7);
SKIP_BLANKS;
if (CUR != '=') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseVersionInfo : expected '='\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_EQUAL_REQUIRED;
return(NULL);
}
NEXT;
SKIP_BLANKS;
if (CUR == '"') {
NEXT;
q = CUR_PTR;
version = xmlOldParseVersionNum(ctxt);
if (CUR != '"') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"String not closed\n%.50s\n", q);
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
} else
NEXT;
} else if (CUR == '\''){
NEXT;
q = CUR_PTR;
version = xmlOldParseVersionNum(ctxt);
if (CUR != '\'') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"String not closed\n%.50s\n", q);
ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
ctxt->wellFormed = 0;
} else
NEXT;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseVersionInfo : expected ' or \"\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_STRING_NOT_STARTED;
}
}
return(version);
}
/**
* xmlOldParseEncName:
* @ctxt: an XML parser context
*
* parse the XML encoding name
*
* [81] EncName ::= [A-Za-z] ([A-Za-z0-9._] | '-')*
*
* Returns the encoding name value or NULL
*/
static xmlChar *
xmlOldParseEncName(xmlParserCtxtPtr ctxt) {
xmlChar *buf = NULL;
int len = 0;
int size = 10;
xmlChar cur;
cur = CUR;
if (((cur >= 'a') && (cur <= 'z')) ||
((cur >= 'A') && (cur <= 'Z'))) {
buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "malloc of %d byte failed\n", size);
return(NULL);
}
buf[len++] = cur;
NEXT;
cur = CUR;
while (IS_CHAR(cur) &&
(((cur >= 'a') && (cur <= 'z')) ||
((cur >= 'A') && (cur <= 'Z')) ||
((cur >= '0') && (cur <= '9')) ||
(cur == '.') || (cur == '_') ||
(cur == '-'))) {
if (len + 1 >= size) {
size *= 2;
buf = xmlRealloc(buf, size * sizeof(xmlChar));
if (buf == NULL) {
fprintf(stderr, "realloc of %d byte failed\n", size);
return(NULL);
}
}
buf[len++] = cur;
NEXT;
cur = CUR;
if (cur == 0) {
SHRINK;
GROW;
cur = CUR;
}
}
buf[len] = 0;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Invalid XML encoding name\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_ENCODING_NAME;
}
return(buf);
}
/**
* xmlOldParseEncodingDecl:
* @ctxt: an XML parser context
*
* parse the XML encoding declaration
*
* [80] EncodingDecl ::= S 'encoding' Eq ('"' EncName '"' | "'" EncName "'")
*
* TODO: this should setup the conversion filters.
*
* Returns the encoding value or NULL
*/
static xmlChar *
xmlOldParseEncodingDecl(xmlParserCtxtPtr ctxt) {
xmlChar *encoding = NULL;
const xmlChar *q;
SKIP_BLANKS;
if ((CUR == 'e') && (NXT(1) == 'n') &&
(NXT(2) == 'c') && (NXT(3) == 'o') &&
(NXT(4) == 'd') && (NXT(5) == 'i') &&
(NXT(6) == 'n') && (NXT(7) == 'g')) {
SKIP(8);
SKIP_BLANKS;
if (CUR != '=') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseEncodingDecl : expected '='\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_EQUAL_REQUIRED;
return(NULL);
}
NEXT;
SKIP_BLANKS;
if (CUR == '"') {
NEXT;
q = CUR_PTR;
encoding = xmlOldParseEncName(ctxt);
if (CUR != '"') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"String not closed\n%.50s\n", q);
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
} else
NEXT;
} else if (CUR == '\''){
NEXT;
q = CUR_PTR;
encoding = xmlOldParseEncName(ctxt);
if (CUR != '\'') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"String not closed\n%.50s\n", q);
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
} else
NEXT;
} else if (CUR == '"'){
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"xmlParseEncodingDecl : expected ' or \"\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_STRING_NOT_STARTED;
}
}
return(encoding);
}
/**
* xmlOldParseSDDecl:
* @ctxt: an XML parser context
*
* parse the XML standalone declaration
*
* [32] SDDecl ::= S 'standalone' Eq
* (("'" ('yes' | 'no') "'") | ('"' ('yes' | 'no')'"'))
*
* [ VC: Standalone Document Declaration ]
* TODO The standalone document declaration must have the value "no"
* if any external markup declarations contain declarations of:
* - attributes with default values, if elements to which these
* attributes apply appear in the document without specifications
* of values for these attributes, or
* - entities (other than amp, lt, gt, apos, quot), if references
* to those entities appear in the document, or
* - attributes with values subject to normalization, where the
* attribute appears in the document with a value which will change
* as a result of normalization, or
* - element types with element content, if white space occurs directly
* within any instance of those types.
*
* Returns 1 if standalone, 0 otherwise
*/
static int
xmlOldParseSDDecl(xmlParserCtxtPtr ctxt) {
int standalone = -1;
SKIP_BLANKS;
if ((CUR == 's') && (NXT(1) == 't') &&
(NXT(2) == 'a') && (NXT(3) == 'n') &&
(NXT(4) == 'd') && (NXT(5) == 'a') &&
(NXT(6) == 'l') && (NXT(7) == 'o') &&
(NXT(8) == 'n') && (NXT(9) == 'e')) {
SKIP(10);
SKIP_BLANKS;
if (CUR != '=') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"XML standalone declaration : expected '='\n");
ctxt->errNo = XML_ERR_EQUAL_REQUIRED;
ctxt->wellFormed = 0;
return(standalone);
}
NEXT;
SKIP_BLANKS;
if (CUR == '\''){
NEXT;
if ((CUR == 'n') && (NXT(1) == 'o')) {
standalone = 0;
SKIP(2);
} else if ((CUR == 'y') && (NXT(1) == 'e') &&
(NXT(2) == 's')) {
standalone = 1;
SKIP(3);
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"standalone accepts only 'yes' or 'no'\n");
ctxt->errNo = XML_ERR_STANDALONE_VALUE;
ctxt->wellFormed = 0;
}
if (CUR != '\'') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "String not closed\n");
ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
ctxt->wellFormed = 0;
} else
NEXT;
} else if (CUR == '"'){
NEXT;
if ((CUR == 'n') && (NXT(1) == 'o')) {
standalone = 0;
SKIP(2);
} else if ((CUR == 'y') && (NXT(1) == 'e') &&
(NXT(2) == 's')) {
standalone = 1;
SKIP(3);
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"standalone accepts only 'yes' or 'no'\n");
ctxt->errNo = XML_ERR_STANDALONE_VALUE;
ctxt->wellFormed = 0;
}
if (CUR != '"') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "String not closed\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_STRING_NOT_CLOSED;
} else
NEXT;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Standalone value not found\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_STRING_NOT_STARTED;
}
}
return(standalone);
}
/**
* xmlOldParseXMLDecl:
* @ctxt: an XML parser context
*
* parse an XML declaration header
*
* [23] XMLDecl ::= '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>'
*/
static void
xmlOldParseXMLDecl(xmlParserCtxtPtr ctxt) {
xmlChar *version;
/*
* We know that '<?xml' is here.
*/
SKIP(5);
if (!IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Blank needed after '<?xml'\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
SKIP_BLANKS;
/*
* We should have the VersionInfo here.
*/
version = xmlOldParseVersionInfo(ctxt);
if (version == NULL)
version = xmlCharStrdup(XML_DEFAULT_VERSION);
ctxt->version = xmlStrdup(version);
xmlFree(version);
/*
* We may have the encoding declaration
*/
if (!IS_BLANK(CUR)) {
if ((CUR == '?') && (NXT(1) == '>')) {
SKIP(2);
return;
}
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Blank needed here\n");
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
ctxt->wellFormed = 0;
}
ctxt->encoding = xmlOldParseEncodingDecl(ctxt);
/*
* We may have the standalone status.
*/
if ((ctxt->encoding != NULL) && (!IS_BLANK(CUR))) {
if ((CUR == '?') && (NXT(1) == '>')) {
SKIP(2);
return;
}
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Blank needed here\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_SPACE_REQUIRED;
}
SKIP_BLANKS;
ctxt->standalone = xmlOldParseSDDecl(ctxt);
SKIP_BLANKS;
if ((CUR == '?') && (NXT(1) == '>')) {
SKIP(2);
} else if (CUR == '>') {
/* Deprecated old WD ... */
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"XML declaration must end-up with '?>'\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
NEXT;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"parsing XML declaration: '?>' expected\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_XMLDECL_NOT_FINISHED;
MOVETO_ENDTAG(CUR_PTR);
NEXT;
}
}
/**
* xmlOldParseMisc:
* @ctxt: an XML parser context
*
* parse an XML Misc* optionnal field.
*
* [27] Misc ::= Comment | PI | S
*/
static void
xmlOldParseMisc(xmlParserCtxtPtr ctxt) {
while (((CUR == '<') && (NXT(1) == '?')) ||
((CUR == '<') && (NXT(1) == '!') &&
(NXT(2) == '-') && (NXT(3) == '-')) ||
IS_BLANK(CUR)) {
if ((CUR == '<') && (NXT(1) == '?')) {
xmlOldParsePI(ctxt);
} else if (IS_BLANK(CUR)) {
NEXT;
} else
xmlOldParseComment(ctxt);
}
}
/**
* xmlOldParseDocument :
* @ctxt: an XML parser context
*
* parse an XML document (and build a tree if using the standard SAX
* interface).
*
* [1] document ::= prolog element Misc*
*
* [22] prolog ::= XMLDecl? Misc* (doctypedecl Misc*)?
*
* Returns 0, -1 in case of error. the parser context is augmented
* as a result of the parsing.
*/
int
xmlOldParseDocument(xmlParserCtxtPtr ctxt) {
xmlDefaultSAXHandlerInit();
GROW;
ctxt->pedantic = 0; /* we run the old 1.8.11 parser */
/*
* SAX: beginning of the document processing.
*/
if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
ctxt->sax->setDocumentLocator(ctxt->userData, &xmlDefaultSAXLocator);
/*
* TODO We should check for encoding here and plug-in some
* conversion code !!!!
*/
/*
* Wipe out everything which is before the first '<'
*/
if (IS_BLANK(CUR)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Extra spaces at the beginning of the document are not allowed\n");
ctxt->errNo = XML_ERR_DOCUMENT_START;
ctxt->wellFormed = 0;
SKIP_BLANKS;
}
if (CUR == 0) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Document is empty\n");
ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
ctxt->wellFormed = 0;
}
/*
* Check for the XMLDecl in the Prolog.
*/
GROW;
if ((CUR == '<') && (NXT(1) == '?') &&
(NXT(2) == 'x') && (NXT(3) == 'm') &&
(NXT(4) == 'l') && (IS_BLANK(NXT(5)))) {
xmlOldParseXMLDecl(ctxt);
SKIP_BLANKS;
} else if ((CUR == '<') && (NXT(1) == '?') &&
(NXT(2) == 'X') && (NXT(3) == 'M') &&
(NXT(4) == 'L') && (IS_BLANK(NXT(5)))) {
/*
* The first drafts were using <?XML and the final W3C REC
* now use <?xml ...
*/
xmlOldParseXMLDecl(ctxt);
SKIP_BLANKS;
} else {
ctxt->version = xmlCharStrdup(XML_DEFAULT_VERSION);
}
if ((ctxt->sax) && (ctxt->sax->startDocument))
ctxt->sax->startDocument(ctxt->userData);
/*
* The Misc part of the Prolog
*/
GROW;
xmlOldParseMisc(ctxt);
/*
* Then possibly doc type declaration(s) and more Misc
* (doctypedecl Misc*)?
*/
GROW;
if ((CUR == '<') && (NXT(1) == '!') &&
(NXT(2) == 'D') && (NXT(3) == 'O') &&
(NXT(4) == 'C') && (NXT(5) == 'T') &&
(NXT(6) == 'Y') && (NXT(7) == 'P') &&
(NXT(8) == 'E')) {
xmlOldParseDocTypeDecl(ctxt);
if (CUR == '[') {
ctxt->instate = XML_PARSER_DTD;
xmlOldParseInternalSubset(ctxt);
}
ctxt->instate = XML_PARSER_PROLOG;
xmlOldParseMisc(ctxt);
}
/*
* Time to start parsing the tree itself
*/
GROW;
if (CUR != '<') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Start tag expect, '<' not found\n");
ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
ctxt->wellFormed = 0;
ctxt->instate = XML_PARSER_EOF;
} else {
ctxt->instate = XML_PARSER_CONTENT;
xmlOldParseElement(ctxt);
ctxt->instate = XML_PARSER_EPILOG;
/*
* The Misc part at the end
*/
xmlOldParseMisc(ctxt);
if (CUR != 0) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Extra content at the end of the document\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_DOCUMENT_END;
}
ctxt->instate = XML_PARSER_EOF;
}
/*
* SAX: end of the document processing.
*/
if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
ctxt->sax->endDocument(ctxt->userData);
if (! ctxt->wellFormed) return(-1);
return(0);
}
/************************************************************************
* *
* Progressive parsing interfaces *
* *
************************************************************************/
/**
* xmlOldParseLookupSequence:
* @ctxt: an XML parser context
* @first: the first char to lookup
* @next: the next char to lookup or zero
* @third: the next char to lookup or zero
*
* Try to find if a sequence (first, next, third) or just (first next) or
* (first) is available in the input stream.
* This function has a side effect of (possibly) incrementing ctxt->checkIndex
* to avoid rescanning sequences of bytes, it DOES change the state of the
* parser, do not use liberally.
*
* Returns the index to the current parsing point if the full sequence
* is available, -1 otherwise.
*/
static int
xmlOldParseLookupSequence(xmlParserCtxtPtr ctxt, xmlChar first,
xmlChar next, xmlChar third) {
int base, len;
xmlParserInputPtr in;
const xmlChar *buf;
in = ctxt->input;
if (in == NULL) return(-1);
base = in->cur - in->base;
if (base < 0) return(-1);
if (ctxt->checkIndex > base)
base = ctxt->checkIndex;
if (in->buf == NULL) {
buf = in->base;
len = in->length;
} else {
buf = in->buf->buffer->content;
len = in->buf->buffer->use;
}
/* take into account the sequence length */
if (third) len -= 2;
else if (next) len --;
for (;base < len;base++) {
if (buf[base] == first) {
if (third != 0) {
if ((buf[base + 1] != next) ||
(buf[base + 2] != third)) continue;
} else if (next != 0) {
if (buf[base + 1] != next) continue;
}
ctxt->checkIndex = 0;
#ifdef DEBUG_PUSH
if (next == 0)
fprintf(stderr, "PP: lookup '%c' found at %d\n",
first, base);
else if (third == 0)
fprintf(stderr, "PP: lookup '%c%c' found at %d\n",
first, next, base);
else
fprintf(stderr, "PP: lookup '%c%c%c' found at %d\n",
first, next, third, base);
#endif
return(base - (in->cur - in->base));
}
}
ctxt->checkIndex = base;
#ifdef DEBUG_PUSH
if (next == 0)
fprintf(stderr, "PP: lookup '%c' failed\n", first);
else if (third == 0)
fprintf(stderr, "PP: lookup '%c%c' failed\n", first, next);
else
fprintf(stderr, "PP: lookup '%c%c%c' failed\n", first, next, third);
#endif
return(-1);
}
/**
* xmlOldParseTryOrFinish:
* @ctxt: an XML parser context
* @terminate: last chunk indicator
*
* Try to progress on parsing
*
* Returns zero if no parsing was possible
*/
static int
xmlOldParseTryOrFinish(xmlParserCtxtPtr ctxt, int terminate) {
int ret = 0;
xmlParserInputPtr in;
int avail;
xmlChar cur, next;
#ifdef DEBUG_PUSH
switch (ctxt->instate) {
case XML_PARSER_EOF:
fprintf(stderr, "PP: try EOF\n"); break;
case XML_PARSER_START:
fprintf(stderr, "PP: try START\n"); break;
case XML_PARSER_MISC:
fprintf(stderr, "PP: try MISC\n");break;
case XML_PARSER_COMMENT:
fprintf(stderr, "PP: try COMMENT\n");break;
case XML_PARSER_PROLOG:
fprintf(stderr, "PP: try PROLOG\n");break;
case XML_PARSER_START_TAG:
fprintf(stderr, "PP: try START_TAG\n");break;
case XML_PARSER_CONTENT:
fprintf(stderr, "PP: try CONTENT\n");break;
case XML_PARSER_CDATA_SECTION:
fprintf(stderr, "PP: try CDATA_SECTION\n");break;
case XML_PARSER_END_TAG:
fprintf(stderr, "PP: try END_TAG\n");break;
case XML_PARSER_ENTITY_DECL:
fprintf(stderr, "PP: try ENTITY_DECL\n");break;
case XML_PARSER_ENTITY_VALUE:
fprintf(stderr, "PP: try ENTITY_VALUE\n");break;
case XML_PARSER_ATTRIBUTE_VALUE:
fprintf(stderr, "PP: try ATTRIBUTE_VALUE\n");break;
case XML_PARSER_DTD:
fprintf(stderr, "PP: try DTD\n");break;
case XML_PARSER_EPILOG:
fprintf(stderr, "PP: try EPILOG\n");break;
case XML_PARSER_PI:
fprintf(stderr, "PP: try PI\n");break;
}
#endif
while (1) {
/*
* Pop-up of finished entities.
*/
while ((CUR == 0) && (ctxt->inputNr > 1))
xmlOldPopInput(ctxt);
in = ctxt->input;
if (in == NULL) break;
if (in->buf == NULL)
avail = in->length - (in->cur - in->base);
else
avail = in->buf->buffer->use - (in->cur - in->base);
if (avail < 1)
goto done;
switch (ctxt->instate) {
case XML_PARSER_EOF:
/*
* Document parsing is done !
*/
goto done;
case XML_PARSER_START:
/*
* Very first chars read from the document flow.
*/
cur = in->cur[0];
if (IS_BLANK(cur)) {
if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
ctxt->sax->setDocumentLocator(ctxt->userData,
&xmlDefaultSAXLocator);
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Extra spaces at the beginning of the document are not allowed\n");
ctxt->errNo = XML_ERR_DOCUMENT_START;
ctxt->wellFormed = 0;
SKIP_BLANKS;
ret++;
if (in->buf == NULL)
avail = in->length - (in->cur - in->base);
else
avail = in->buf->buffer->use - (in->cur - in->base);
}
if (avail < 2)
goto done;
cur = in->cur[0];
next = in->cur[1];
if (cur == 0) {
if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
ctxt->sax->setDocumentLocator(ctxt->userData,
&xmlDefaultSAXLocator);
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData, "Document is empty\n");
ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
ctxt->wellFormed = 0;
ctxt->instate = XML_PARSER_EOF;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering EOF\n");
#endif
if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
ctxt->sax->endDocument(ctxt->userData);
goto done;
}
if ((cur == '<') && (next == '?')) {
/* PI or XML decl */
if (avail < 5) return(ret);
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '?', '>', 0) < 0))
return(ret);
if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
ctxt->sax->setDocumentLocator(ctxt->userData,
&xmlDefaultSAXLocator);
if ((in->cur[2] == 'x') &&
(in->cur[3] == 'm') &&
(in->cur[4] == 'l') &&
(IS_BLANK(in->cur[5]))) {
ret += 5;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing XML Decl\n");
#endif
xmlOldParseXMLDecl(ctxt);
if ((ctxt->sax) && (ctxt->sax->startDocument))
ctxt->sax->startDocument(ctxt->userData);
ctxt->instate = XML_PARSER_MISC;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering MISC\n");
#endif
} else {
ctxt->version = xmlCharStrdup(XML_DEFAULT_VERSION);
if ((ctxt->sax) && (ctxt->sax->startDocument))
ctxt->sax->startDocument(ctxt->userData);
ctxt->instate = XML_PARSER_MISC;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering MISC\n");
#endif
}
} else {
if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
ctxt->sax->setDocumentLocator(ctxt->userData,
&xmlDefaultSAXLocator);
ctxt->version = xmlCharStrdup(XML_DEFAULT_VERSION);
if ((ctxt->sax) && (ctxt->sax->startDocument))
ctxt->sax->startDocument(ctxt->userData);
ctxt->instate = XML_PARSER_MISC;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering MISC\n");
#endif
}
break;
case XML_PARSER_MISC:
SKIP_BLANKS;
if (in->buf == NULL)
avail = in->length - (in->cur - in->base);
else
avail = in->buf->buffer->use - (in->cur - in->base);
if (avail < 2)
goto done;
cur = in->cur[0];
next = in->cur[1];
if ((cur == '<') && (next == '?')) {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '?', '>', 0) < 0))
goto done;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing PI\n");
#endif
xmlOldParsePI(ctxt);
} else if ((cur == '<') && (next == '!') &&
(in->cur[2] == '-') && (in->cur[3] == '-')) {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '-', '-', '>') < 0))
goto done;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing Comment\n");
#endif
xmlOldParseComment(ctxt);
ctxt->instate = XML_PARSER_MISC;
} else if ((cur == '<') && (next == '!') &&
(in->cur[2] == 'D') && (in->cur[3] == 'O') &&
(in->cur[4] == 'C') && (in->cur[5] == 'T') &&
(in->cur[6] == 'Y') && (in->cur[7] == 'P') &&
(in->cur[8] == 'E')) {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '>', 0, 0) < 0))
goto done;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing internal subset\n");
#endif
xmlOldParseDocTypeDecl(ctxt);
if (CUR == '[') {
ctxt->instate = XML_PARSER_DTD;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering DTD\n");
#endif
} else {
ctxt->instate = XML_PARSER_PROLOG;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering PROLOG\n");
#endif
}
} else if ((cur == '<') && (next == '!') &&
(avail < 9)) {
goto done;
} else {
ctxt->instate = XML_PARSER_START_TAG;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering START_TAG\n");
#endif
}
break;
case XML_PARSER_PROLOG:
SKIP_BLANKS;
if (in->buf == NULL)
avail = in->length - (in->cur - in->base);
else
avail = in->buf->buffer->use - (in->cur - in->base);
if (avail < 2)
goto done;
cur = in->cur[0];
next = in->cur[1];
if ((cur == '<') && (next == '?')) {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '?', '>', 0) < 0))
goto done;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing PI\n");
#endif
xmlOldParsePI(ctxt);
} else if ((cur == '<') && (next == '!') &&
(in->cur[2] == '-') && (in->cur[3] == '-')) {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '-', '-', '>') < 0))
goto done;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing Comment\n");
#endif
xmlOldParseComment(ctxt);
ctxt->instate = XML_PARSER_PROLOG;
} else if ((cur == '<') && (next == '!') &&
(avail < 4)) {
goto done;
} else {
ctxt->instate = XML_PARSER_START_TAG;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering START_TAG\n");
#endif
}
break;
case XML_PARSER_EPILOG:
SKIP_BLANKS;
if (in->buf == NULL)
avail = in->length - (in->cur - in->base);
else
avail = in->buf->buffer->use - (in->cur - in->base);
if (avail < 2)
goto done;
cur = in->cur[0];
next = in->cur[1];
if ((cur == '<') && (next == '?')) {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '?', '>', 0) < 0))
goto done;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing PI\n");
#endif
xmlOldParsePI(ctxt);
ctxt->instate = XML_PARSER_EPILOG;
} else if ((cur == '<') && (next == '!') &&
(in->cur[2] == '-') && (in->cur[3] == '-')) {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '-', '-', '>') < 0))
goto done;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing Comment\n");
#endif
xmlOldParseComment(ctxt);
ctxt->instate = XML_PARSER_EPILOG;
} else if ((cur == '<') && (next == '!') &&
(avail < 4)) {
goto done;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Extra content at the end of the document\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_DOCUMENT_END;
ctxt->instate = XML_PARSER_EOF;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering EOF\n");
#endif
if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
ctxt->sax->endDocument(ctxt->userData);
goto done;
}
break;
case XML_PARSER_START_TAG: {
xmlChar *name, *oldname;
if (avail < 2)
goto done;
cur = in->cur[0];
if (cur != '<') {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Start tag expect, '<' not found\n");
ctxt->errNo = XML_ERR_DOCUMENT_EMPTY;
ctxt->wellFormed = 0;
ctxt->instate = XML_PARSER_EOF;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering EOF\n");
#endif
if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
ctxt->sax->endDocument(ctxt->userData);
goto done;
}
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '>', 0, 0) < 0))
goto done;
name = xmlOldParseStartTag(ctxt);
if (name == NULL) {
ctxt->instate = XML_PARSER_EOF;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering EOF\n");
#endif
if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
ctxt->sax->endDocument(ctxt->userData);
goto done;
}
nameOldPush(ctxt, xmlStrdup(name));
/*
* [ VC: Root Element Type ]
* The Name in the document type declaration must match
* the element type of the root element.
*/
if (ctxt->validate && ctxt->wellFormed && ctxt->myDoc &&
ctxt->node && (ctxt->node == ctxt->myDoc->root))
ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
/*
* Check for an Empty Element.
*/
if ((CUR == '/') && (NXT(1) == '>')) {
SKIP(2);
if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
ctxt->sax->endElement(ctxt->userData, name);
xmlFree(name);
oldname = nameOldPop(ctxt);
if (oldname != NULL) {
#ifdef DEBUG_STACK
fprintf(stderr,"Close: popped %s\n", oldname);
#endif
xmlFree(oldname);
}
if (ctxt->name == NULL) {
ctxt->instate = XML_PARSER_EPILOG;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering EPILOG\n");
#endif
} else {
ctxt->instate = XML_PARSER_CONTENT;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering CONTENT\n");
#endif
}
break;
}
if (CUR == '>') {
NEXT;
} else {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Couldn't find end of Start Tag %s\n",
name);
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_GT_REQUIRED;
/*
* end of parsing of this node.
*/
nodeOldPop(ctxt);
oldname = nameOldPop(ctxt);
if (oldname != NULL) {
#ifdef DEBUG_STACK
fprintf(stderr,"Close: popped %s\n", oldname);
#endif
xmlFree(oldname);
}
}
xmlFree(name);
ctxt->instate = XML_PARSER_CONTENT;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering CONTENT\n");
#endif
break;
}
case XML_PARSER_CONTENT:
/*
* Handle preparsed entities and charRef
*/
if (ctxt->token != 0) {
xmlChar cur[2] = { 0 , 0 } ;
cur[0] = (xmlChar) ctxt->token;
if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
ctxt->sax->characters(ctxt->userData, cur, 1);
ctxt->token = 0;
}
if (avail < 2)
goto done;
cur = in->cur[0];
next = in->cur[1];
if ((cur == '<') && (next == '?')) {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '?', '>', 0) < 0))
goto done;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing PI\n");
#endif
xmlOldParsePI(ctxt);
} else if ((cur == '<') && (next == '!') &&
(in->cur[2] == '-') && (in->cur[3] == '-')) {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '-', '-', '>') < 0))
goto done;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing Comment\n");
#endif
xmlOldParseComment(ctxt);
ctxt->instate = XML_PARSER_CONTENT;
} else if ((cur == '<') && (in->cur[1] == '!') &&
(in->cur[2] == '[') && (NXT(3) == 'C') &&
(in->cur[4] == 'D') && (NXT(5) == 'A') &&
(in->cur[6] == 'T') && (NXT(7) == 'A') &&
(in->cur[8] == '[')) {
SKIP(9);
ctxt->instate = XML_PARSER_CDATA_SECTION;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering CDATA_SECTION\n");
#endif
break;
} else if ((cur == '<') && (next == '!') &&
(avail < 9)) {
goto done;
} else if ((cur == '<') && (next == '/')) {
ctxt->instate = XML_PARSER_END_TAG;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering END_TAG\n");
#endif
break;
} else if (cur == '<') {
ctxt->instate = XML_PARSER_START_TAG;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering START_TAG\n");
#endif
break;
} else if (cur == '&') {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, ';', 0, 0) < 0))
goto done;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing Reference\n");
#endif
/* TODO: check generation of subtrees if noent !!! */
xmlOldParseReference(ctxt);
} else {
/* TODO Avoid the extra copy, handle directly !!!!!! */
/*
* Goal of the following test is :
* - minimize calls to the SAX 'character' callback
* when they are mergeable
* - handle an problem for isBlank when we only parse
* a sequence of blank chars and the next one is
* not available to check against '<' presence.
* - tries to homogenize the differences in SAX
* callbacks beween the push and pull versions
* of the parser.
*/
if ((ctxt->inputNr == 1) &&
(avail < XML_PARSER_BIG_BUFFER_SIZE)) {
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '<', 0, 0) < 0))
goto done;
}
ctxt->checkIndex = 0;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: Parsing char data\n");
#endif
xmlOldParseCharData(ctxt, 0);
}
/*
* Pop-up of finished entities.
*/
while ((CUR == 0) && (ctxt->inputNr > 1))
xmlOldPopInput(ctxt);
break;
case XML_PARSER_CDATA_SECTION: {
/*
* The Push mode need to have the SAX callback for
* cdataBlock merge back contiguous callbacks.
*/
int base;
in = ctxt->input;
base = xmlOldParseLookupSequence(ctxt, ']', ']', '>');
if (base < 0) {
if (avail >= XML_PARSER_BIG_BUFFER_SIZE + 2) {
if (ctxt->sax != NULL) {
if (ctxt->sax->cdataBlock != NULL)
ctxt->sax->cdataBlock(ctxt->userData, in->cur,
XML_PARSER_BIG_BUFFER_SIZE);
}
SKIP(XML_PARSER_BIG_BUFFER_SIZE);
ctxt->checkIndex = 0;
}
goto done;
} else {
if ((ctxt->sax != NULL) && (base > 0)) {
if (ctxt->sax->cdataBlock != NULL)
ctxt->sax->cdataBlock(ctxt->userData,
in->cur, base);
}
SKIP(base + 3);
ctxt->checkIndex = 0;
ctxt->instate = XML_PARSER_CONTENT;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering CONTENT\n");
#endif
}
break;
}
case XML_PARSER_END_TAG:
if (avail < 2)
goto done;
if ((!terminate) &&
(xmlOldParseLookupSequence(ctxt, '>', 0, 0) < 0))
goto done;
xmlOldParseEndTag(ctxt);
if (ctxt->name == NULL) {
ctxt->instate = XML_PARSER_EPILOG;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering EPILOG\n");
#endif
} else {
ctxt->instate = XML_PARSER_CONTENT;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering CONTENT\n");
#endif
}
break;
case XML_PARSER_DTD: {
/*
* Sorry but progressive parsing of the internal subset
* is not expected to be supported. We first check that
* the full content of the internal subset is available and
* the parsing is launched only at that point.
* Internal subset ends up with "']' S? '>'" in an unescaped
* section and not in a ']]>' sequence which are conditional
* sections (whoever argued to keep that crap in XML deserve
* a place in hell !).
*/
int base, i;
xmlChar *buf;
xmlChar quote = 0;
base = in->cur - in->base;
if (base < 0) return(0);
if (ctxt->checkIndex > base)
base = ctxt->checkIndex;
buf = in->buf->buffer->content;
for (;base < in->buf->buffer->use;base++) {
if (quote != 0) {
if (buf[base] == quote)
quote = 0;
continue;
}
if (buf[base] == '"') {
quote = '"';
continue;
}
if (buf[base] == '\'') {
quote = '\'';
continue;
}
if (buf[base] == ']') {
if (base +1 >= in->buf->buffer->use)
break;
if (buf[base + 1] == ']') {
/* conditional crap, skip both ']' ! */
base++;
continue;
}
for (i = 0;base + i < in->buf->buffer->use;i++) {
if (buf[base + i] == '>')
goto found_end_int_subset;
}
break;
}
}
/*
* We didn't found the end of the Internal subset
*/
if (quote == 0)
ctxt->checkIndex = base;
#ifdef DEBUG_PUSH
if (next == 0)
fprintf(stderr, "PP: lookup of int subset end filed\n");
#endif
goto done;
found_end_int_subset:
xmlOldParseInternalSubset(ctxt);
ctxt->instate = XML_PARSER_PROLOG;
ctxt->checkIndex = 0;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering PROLOG\n");
#endif
break;
}
case XML_PARSER_COMMENT:
fprintf(stderr, "PP: internal error, state == COMMENT\n");
ctxt->instate = XML_PARSER_CONTENT;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering CONTENT\n");
#endif
break;
case XML_PARSER_PI:
fprintf(stderr, "PP: internal error, state == PI\n");
ctxt->instate = XML_PARSER_CONTENT;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering CONTENT\n");
#endif
break;
case XML_PARSER_ENTITY_DECL:
fprintf(stderr, "PP: internal error, state == ENTITY_DECL\n");
ctxt->instate = XML_PARSER_DTD;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering DTD\n");
#endif
break;
case XML_PARSER_ENTITY_VALUE:
fprintf(stderr, "PP: internal error, state == ENTITY_VALUE\n");
ctxt->instate = XML_PARSER_CONTENT;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering DTD\n");
#endif
break;
case XML_PARSER_ATTRIBUTE_VALUE:
fprintf(stderr, "PP: internal error, state == ATTRIBUTE_VALUE\n");
ctxt->instate = XML_PARSER_START_TAG;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: entering START_TAG\n");
#endif
break;
}
}
done:
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: done %d\n", ret);
#endif
return(ret);
}
/**
* xmlOldParseChunk:
* @ctxt: an XML parser context
* @chunk: an char array
* @size: the size in byte of the chunk
* @terminate: last chunk indicator
*
* Parse a Chunk of memory
*
* Returns zero if no error, the xmlParserErrors otherwise.
*/
int
xmlOldParseChunk(xmlParserCtxtPtr ctxt, const char *chunk, int size,
int terminate) {
if ((size > 0) && (chunk != NULL) && (ctxt->input != NULL) &&
(ctxt->input->buf != NULL) && (ctxt->instate != XML_PARSER_EOF)) {
int base = ctxt->input->base - ctxt->input->buf->buffer->content;
int cur = ctxt->input->cur - ctxt->input->base;
xmlParserInputBufferPush(ctxt->input->buf, size, chunk);
ctxt->input->base = ctxt->input->buf->buffer->content + base;
ctxt->input->cur = ctxt->input->base + cur;
#ifdef DEBUG_PUSH
fprintf(stderr, "PP: pushed %d\n", size);
#endif
if ((terminate) || (ctxt->input->buf->buffer->use > 80))
xmlOldParseTryOrFinish(ctxt, terminate);
} else if (ctxt->instate != XML_PARSER_EOF)
xmlOldParseTryOrFinish(ctxt, terminate);
if (terminate) {
if ((ctxt->instate != XML_PARSER_EOF) &&
(ctxt->instate != XML_PARSER_EPILOG)) {
if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
ctxt->sax->error(ctxt->userData,
"Extra content at the end of the document\n");
ctxt->wellFormed = 0;
ctxt->errNo = XML_ERR_DOCUMENT_END;
}
if (ctxt->instate != XML_PARSER_EOF) {
if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
ctxt->sax->endDocument(ctxt->userData);
}
ctxt->instate = XML_PARSER_EOF;
}
return((xmlParserErrors) ctxt->errNo);
}
|