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/***********************************************************************/
/* The OcamlExpat library */
/* */
/* Copyright 2002, 2003 Maas-Maarten Zeeman. All rights reserved. See */
/* LICENCE for details. */
/***********************************************************************/
/* $Id: expat_stubs.c,v 1.20 2005/03/13 14:00:29 maas Exp $ */
/* Stub code to interface Ocaml with Expat */
#include <stdio.h>
#include <string.h>
#include <expat.h>
/* This is needed to support older versions of Expat 1.95.x */
#ifndef XML_STATUS_OK
#define XML_STATUS_OK 1
#define XML_STATUS_ERROR 0
#endif
#include <caml/mlvalues.h>
#include <caml/custom.h>
#include <caml/alloc.h>
#include <caml/memory.h>
#include <caml/callback.h>
#include <caml/fail.h>
#define XML_Parser_val(v) (*((XML_Parser *) Data_custom_val(v)))
/*
* Define the place where the handlers will be located inside the
* handler tuple which is registered as global root. Handlers for
* new functions should go here.
*/
enum expat_handler {
EXPAT_START_ELEMENT_HANDLER,
EXPAT_END_ELEMENT_HANDLER,
EXPAT_CHARACTER_DATA_HANDLER,
EXPAT_PROCESSING_INSTRUCTION_HANDLER,
EXPAT_COMMENT_HANDLER,
EXPAT_START_CDATA_HANDLER,
EXPAT_END_CDATA_HANDLER,
EXPAT_DEFAULT_HANDLER,
EXPAT_EXTERNAL_ENTITY_REF_HANDLER,
NUM_HANDLERS /* keep this at the end */
};
/*
* Return None if a null string is passed as a parameter, and Some str
* if a string is used.
*/
static value
Val_option_string(const char *str)
{
CAMLparam0();
CAMLlocal2(some, some_str);
if(str == NULL) {
CAMLreturn (Val_int(0));
} else {
some = alloc(1, 0);
some_str = copy_string(str);
Store_field(some, 0, some_str);
CAMLreturn (some);
}
}
/*
* Return NULL if we have None, Some str otherwise.
*/
static char *
String_option_val(value string_option)
{
if (Is_block(string_option))
return String_val(Field(string_option, 0));
return NULL;
}
static void
xml_parser_finalize(value parser)
{
XML_Parser xml_parser = XML_Parser_val(parser);
value *handlers = XML_GetUserData(xml_parser);
/* The handlers are no longer needed */
*handlers = Val_unit;
remove_global_root(handlers);
/* Free the memory occupied by the parser */
XML_ParserFree(xml_parser);
caml_stat_free(handlers);
}
static int
xml_parser_compare(value v1, value v2)
{
XML_Parser p1 = XML_Parser_val(v1);
XML_Parser p2 = XML_Parser_val(v2);
if(p1 == p2) return 0;
if(p1 < p2) return -1;
return 1;
}
static long
xml_parser_hash(value v)
{
return (long) XML_Parser_val(v);
}
static struct custom_operations xml_parser_ops = {
"Expat_XML_Parser",
xml_parser_finalize,
xml_parser_compare,
xml_parser_hash,
custom_serialize_default,
custom_deserialize_default
};
static value
create_ocaml_expat_parser(XML_Parser xml_parser)
{
CAMLparam0();
CAMLlocal1(parser);
int i;
value *handlers;
/*
* I don't know how to find out how much memory the parser consumes,
* so I've set some figures here, which seems to do well.
*/
parser = alloc_custom(&xml_parser_ops, sizeof(XML_Parser), 1, 5000);
XML_Parser_val(parser) = xml_parser;
/*
* Malloc a value for a tuple which will contain the callback
* handlers and register it as global root.
*/
handlers = caml_stat_alloc(sizeof *handlers);
*handlers = Val_unit;
register_global_root(handlers);
/*
* Create a tuple which will hold the handlers.
*/
*handlers = alloc_tuple(NUM_HANDLERS);
for(i = 0; i < NUM_HANDLERS; i++) {
Field(*handlers, i) = Val_unit;
}
/*
* Associate it as user data with the parser. This is possible because
* a global root will not be relocated.
*/
XML_SetUserData(xml_parser, handlers);
CAMLreturn (parser);
}
/*
* parser_create : encoding:string option -> expat_parser =
* "expat_XML_ParserCreate"
*/
CAMLprim value
expat_XML_ParserCreate(value encoding)
{
return create_ocaml_expat_parser(XML_ParserCreate(String_option_val(encoding)));
}
/*
* parser_create_ns : encoding:string option -> separator:char -> expat_parser =
* "expat_XML_ParserCreateNS"
*/
CAMLprim value
expat_XML_ParserCreateNS(value encoding, value sep)
{
return create_ocaml_expat_parser(XML_ParserCreateNS(String_option_val(encoding),
(char) Long_val(sep)));
}
/*
* external_entity_parser_create : expat_parser -> context:string option
* -> encoding:string option -> expat_parser =
* "expat_XML_ExternalEntityParserCreate"
*/
CAMLprim value
expat_XML_ExternalEntityParserCreate(value p, value context, value encoding) {
CAMLparam3(p, context, encoding);
CAMLlocal1(parser);
int i;
value *handlers, *parent_handlers;
XML_Parser xml_parser = \
XML_ExternalEntityParserCreate(XML_Parser_val(p),
String_option_val(context),
String_option_val(encoding));
parser = alloc_custom(&xml_parser_ops, sizeof(XML_Parser), 1, 5000);
XML_Parser_val(parser) = xml_parser;
/*
* Malloc a value for a tuple which will contain the callback
* handlers and register it as global root.
*/
handlers = caml_stat_alloc(sizeof *handlers);
*handlers = Val_unit;
register_global_root(handlers);
/*
* Create a tuple which will hold the handlers, and inherit the
* handlers installed in the parent parser.
*/
parent_handlers = XML_GetUserData(xml_parser);
*handlers = alloc_tuple(NUM_HANDLERS);
for(i = 0; i < NUM_HANDLERS; i++) {
Field(*handlers, i) = Field(*parent_handlers, i);
}
/*
* Associate inherited handlers it as user data with the
* parser. This is possible because a global root will not be
* relocated.
*/
XML_SetUserData(xml_parser, handlers);
CAMLreturn (parser);
}
/*
* get_base : expat_parser -> string option
*/
CAMLprim value
expat_XML_GetBase(value parser)
{
CAMLparam1(parser);
CAMLlocal1(option);
const char *base = NULL;
base = XML_GetBase(XML_Parser_val(parser));
option = Val_option_string(base);
CAMLreturn (option);
}
/*
* val set_base : expat_parser -> string option -> unit
*/
CAMLprim value
expat_XML_SetBase(value parser, value string)
{
CAMLparam2(parser, string);
XML_SetBase(XML_Parser_val(parser), String_option_val(string));
CAMLreturn (Val_unit);
}
/*
* external get_current_byte_index : expat_parser -> int =
* "expat_XML_GetCurrentByteIndex"
*/
CAMLprim value
expat_XML_GetCurrentByteIndex(value parser)
{
return Val_long(XML_GetCurrentByteIndex(XML_Parser_val(parser)));
}
/*
* external get_current_byte_count : expat_parser -> int =
* "expat_XML_GetCurrentByteCount"
*/
CAMLprim value
expat_XML_GetCurrentByteCount(value parser)
{
return Val_long(XML_GetCurrentByteCount(XML_Parser_val(parser)));
}
/*
* external get_current_column_number : expat_parser -> int =
* "expat_XML_GetCurrentColumnNumber"
*/
CAMLprim value
expat_XML_GetCurrentColumnNumber(value parser)
{
return Val_long(XML_GetCurrentColumnNumber(XML_Parser_val(parser)));
}
/*
* external get_current_line_number : expat_parser -> int =
* "expat_XML_GetCurrentLineNumber"
*/
CAMLprim value
expat_XML_GetCurrentLineNumber(value parser)
{
return Val_long(XML_GetCurrentLineNumber(XML_Parser_val(parser)));
}
/*
* external expat_version : unit -> string = "expat_XML_ExpatVersion"
*/
CAMLprim value
expat_XML_ExpatVersion(value unit)
{
return copy_string(XML_ExpatVersion());
}
/*
* external set_param_entity_parsing : expat_parser ->
* xml_param_entity_parsing_choice -> bool =
* "expat_XML_SetParamEntityParsing"
*/
CAMLprim value
expat_XML_SetParamEntityParsing(value parser, value choice) {
CAMLparam2(parser, choice);
CAMLreturn (Val_bool(XML_SetParamEntityParsing(XML_Parser_val(parser),
Int_val(choice))));
}
/*
* external xml_error_to_string : xml_error -> string = "expat_XML_ErrorString"
*/
CAMLprim value
expat_XML_ErrorString(value error_code)
{
CAMLparam1(error_code);
const char *error_string = XML_ErrorString(Int_val(error_code));
/* XML_ErrorString(XML_ERROR_NONE) returns NULL, this check
* will return an empty string whenever this happens. Note:
* it checks for NULL, because that is the safest way.
*/
if (error_string == NULL)
CAMLreturn (alloc_string(0));
CAMLreturn (copy_string(error_string));
}
/*
* Raise an expat_error exception
*/
static void
expat_error(int error_code)
{
static value * expat_error_exn = NULL;
if(expat_error_exn == NULL) {
expat_error_exn = caml_named_value("expat_error");
if(expat_error_exn == NULL) {
invalid_argument("Exception Expat_error not initialized");
}
}
raise_with_arg(*expat_error_exn, Val_long(error_code));
}
/*
* external parse : expat_parser -> string -> unit = "expat_XML_Parse"
*/
CAMLprim value
expat_XML_Parse(value parser, value string)
{
CAMLparam2(parser, string);
XML_Parser xml_parser = XML_Parser_val(parser);
if(!XML_Parse(xml_parser, String_val(string), string_length(string), 0)) {
expat_error(XML_GetErrorCode(xml_parser));
}
CAMLreturn (Val_unit);
}
/*
* external parse_sub : expat_parser -> string -> int -> int -> unit =
* "expat_XML_ParseSub"
*/
CAMLprim value
expat_XML_ParseSub(value vparser, value vstring, value voffset, value vlen)
{
CAMLparam2(vparser, vstring);
XML_Parser parser = XML_Parser_val(vparser);
int len = Int_val(vlen);
int offset = Int_val(voffset);
int string_len = string_length(vstring);
char *string = String_val(vstring);
/* sanity check on the parameters */
if((offset < 0) || (len < 0) || (offset > (string_len - len))) {
invalid_argument("Expat.parse_sub");
}
if(!XML_Parse(parser, string + offset, len, 0)) {
expat_error(XML_GetErrorCode(parser));
}
CAMLreturn (Val_unit);
}
/*
* external final : expat_parser -> unit = "expat_XML_Final"
*/
CAMLprim value
expat_XML_Final(value parser)
{
CAMLparam1(parser);
XML_Parser xml_parser = XML_Parser_val(parser);
if(!XML_Parse(xml_parser, NULL, 0, 1)) {
expat_error(XML_GetErrorCode(xml_parser));
}
CAMLreturn (Val_unit);
}
/*
* Start element handling, setting and resetting.
*/
static void
start_element_handler(void *user_data, const char *name, const char **attr)
{
CAMLparam0();
CAMLlocal5(list, cons, prev, att, tag);
value *handlers = user_data;
int i;
list = Val_unit;
prev = Val_unit;
/* Create an assoc list with the attributes */
for(i = 0; attr[i]; i += 2) {
/* Create a tuple */
att = alloc_tuple(2);
Store_field(att, 0, copy_string(attr[i]));
Store_field(att, 1, copy_string(attr[i + 1]));
/* Create a cons */
cons = alloc_tuple(2);
Store_field(cons, 0, att);
Store_field(cons, 1, Val_unit);
if(prev != Val_unit) {
Store_field(prev, 1, cons);
}
prev = cons;
if(list == Val_unit) {
list = cons;
}
}
tag = copy_string(name);
callback2(Field(*handlers, EXPAT_START_ELEMENT_HANDLER), tag, list);
CAMLreturn0;
}
static value set_start_handler(value parser,
XML_StartElementHandler c_handler,
value ocaml_handler)
{
CAMLparam2(parser, ocaml_handler);
XML_Parser xml_parser = XML_Parser_val(parser);
value *handlers = XML_GetUserData(xml_parser);
Store_field(*handlers, EXPAT_START_ELEMENT_HANDLER, ocaml_handler);
XML_SetStartElementHandler(xml_parser, c_handler);
CAMLreturn (Val_unit);
}
/*
* external set_start_element_handler : expat_parser ->
* (string -> (string * string) list -> unit) -> unit =
* "expat_XML_SetStartElementHandler"
*/
CAMLprim value
expat_XML_SetStartElementHandler(value parser, value handler)
{
CAMLparam2(parser, handler);
CAMLreturn (set_start_handler(parser, start_element_handler, handler));
}
/*
* external reset_start_element_handler : expat_parser -> unit =
* "expat_XML_ResetStartElementHandler"
*/
CAMLprim value
expat_XML_ResetStartElementHandler(value parser)
{
CAMLparam1(parser);
CAMLreturn (set_start_handler(parser, NULL, Val_unit));
}
static void
end_element_handler(void *user_data, const char *name)
{
value tag;
value *handlers = user_data;
tag = copy_string(name);
callback(Field(*handlers, EXPAT_END_ELEMENT_HANDLER), tag);
}
static value
set_end_handler(value parser, XML_EndElementHandler c_handler,
value ocaml_handler)
{
CAMLparam2(parser, ocaml_handler);
XML_Parser xml_parser = XML_Parser_val(parser);
value *handlers = XML_GetUserData(xml_parser);
Store_field(*handlers, EXPAT_END_ELEMENT_HANDLER, ocaml_handler);
XML_SetEndElementHandler(xml_parser, c_handler);
CAMLreturn (Val_unit);
}
/*
* external set_end_element_handler : expat_parser -> (string -> unit) -> unit =
* "expat_XML_SetEndElementHandler"
*/
CAMLprim value
expat_XML_SetEndElementHandler(value parser, value handler)
{
CAMLparam2(parser, handler);
CAMLreturn (set_end_handler(parser, end_element_handler, handler));
}
/*
* external reset_end_element_handler : expat_parser -> unit =
* "expat_XML_ResetEndElementHandler"
*/
CAMLprim value
expat_XML_ResetEndElementHandler(value parser)
{
CAMLparam1(parser);
CAMLreturn (set_end_handler(parser, NULL, Val_unit));
}
/*
* Character data handling, setting, and resetting
*/
static void
character_data_handler(void *user_data, const char *data, int len)
{
CAMLparam0();
CAMLlocal1(str);
value *handlers = user_data;
str = alloc_string(len);
memcpy(String_val(str), data, len);
callback(Field(*handlers, EXPAT_CHARACTER_DATA_HANDLER), str);
CAMLreturn0;
}
static value set_character_data_handler(value parser,
XML_CharacterDataHandler c_handler,
value ocaml_handler)
{
CAMLparam2(parser, ocaml_handler);
XML_Parser xml_parser = XML_Parser_val(parser);
value *handlers = XML_GetUserData(xml_parser);
Store_field(*handlers, EXPAT_CHARACTER_DATA_HANDLER, ocaml_handler);
XML_SetCharacterDataHandler(xml_parser, c_handler);
CAMLreturn (Val_unit);
}
/*
* external set_character_data_handler : expat_parser -> (string -> unit) -> unit =
* "expat_XML_SetCharacterDataHandler"
*/
CAMLprim value
expat_XML_SetCharacterDataHandler(value parser, value handler)
{
CAMLparam2(parser, handler);
CAMLreturn (set_character_data_handler(parser, character_data_handler,
handler));
}
/*
* external reset_end_element_handler : expat_parser -> unit =
* "expat_XML_ResetEndElementHandler"
*/
CAMLprim value
expat_XML_ResetCharacterDataHandler(value parser)
{
CAMLparam1(parser);
CAMLreturn (set_character_data_handler(parser, NULL, Val_unit));
}
/*
* Process instruction, setting and resetting
*/
static void
processing_instruction_handler(void *user_data, const char *target,
const char *data)
{
CAMLparam0();
CAMLlocal2(t, d);
value *handlers = user_data;
t = copy_string(target);
d = copy_string(data);
callback2(Field(*handlers, EXPAT_PROCESSING_INSTRUCTION_HANDLER), t, d);
CAMLreturn0;
}
static value
set_processing_instruction_handler(value parser,
XML_ProcessingInstructionHandler c_handler,
value ocaml_handler)
{
CAMLparam2(parser, ocaml_handler);
XML_Parser xml_parser = XML_Parser_val(parser);
value *handlers = XML_GetUserData(xml_parser);
Store_field(*handlers,
EXPAT_PROCESSING_INSTRUCTION_HANDLER, ocaml_handler);
XML_SetProcessingInstructionHandler(xml_parser, c_handler);
CAMLreturn (Val_unit);
}
/*
* external set_processing_instruction_handler : expat_parser ->
* (string -> string -> unit) -> unit =
* "expat_XML_SetProcessingInstructionHandler"
*/
CAMLprim value
expat_XML_SetProcessingInstructionHandler(value parser, value handler)
{
CAMLparam2(parser, handler);
CAMLreturn (set_processing_instruction_handler(parser,
processing_instruction_handler,
handler));
}
/*
* external reset_processing_instruction_handler : expat_parser -> unit =
* "expat_XML_ResetProcessingInstructionHandler"
*/
CAMLprim value
expat_XML_ResetProcessingInstructionHandler(value parser)
{
CAMLparam1(parser);
CAMLreturn (set_processing_instruction_handler(parser, NULL, Val_unit));
}
/*
* Comment handler, setting and resetting
*/
static void
comment_handler(void *user_data, const char *data)
{
CAMLparam0();
CAMLlocal1(d);
value *handlers = user_data;
d = copy_string(data);
callback(Field(*handlers, EXPAT_COMMENT_HANDLER), d);
CAMLreturn0;
}
static value
set_comment_handler(value parser,
XML_CommentHandler c_handler, value ocaml_handler)
{
CAMLparam2(parser, ocaml_handler);
XML_Parser xml_parser = XML_Parser_val(parser);
value *handlers = XML_GetUserData(xml_parser);
Store_field(*handlers, EXPAT_COMMENT_HANDLER, ocaml_handler);
XML_SetCommentHandler(xml_parser, c_handler);
CAMLreturn (Val_unit);
}
/*
* external set_comment_handler : expat_parser -> (string -> unit) -> unit =
* "expat_XML_SetCommentHandler"
*/
CAMLprim value
expat_XML_SetCommentHandler(value parser, value handler)
{
CAMLparam2(parser, handler);
CAMLreturn (set_comment_handler(parser, comment_handler, handler));
}
/*
* external reset_comment_handler : expat_parser -> unit =
* "expat_XML_ResetCommentHandler"
*/
CAMLprim value
expat_XML_ResetCommentHandler(value parser)
{
CAMLparam1(parser);
CAMLreturn (set_comment_handler(parser, NULL, Val_unit));
}
/*
* Start CData handler, setting and resetting
*/
static void
start_cdata_handler(void *user_data)
{
CAMLparam0();
value *handlers = user_data;
callback(Field(*handlers, EXPAT_START_CDATA_HANDLER), Val_unit);
CAMLreturn0;
}
static value
set_start_cdata_handler(value parser,
XML_StartCdataSectionHandler c_handler,
value ocaml_handler)
{
CAMLparam2(parser, ocaml_handler);
XML_Parser xml_parser = XML_Parser_val(parser);
value *handlers = XML_GetUserData(xml_parser);
Store_field(*handlers, EXPAT_START_CDATA_HANDLER, ocaml_handler);
XML_SetStartCdataSectionHandler(xml_parser, c_handler);
CAMLreturn (Val_unit);
}
/*
* external set_start_cdata_handler : expat_parser -> (unit -> unit) -> unit =
* "expat_XML_SetStartCDataHandler"
*/
CAMLprim value
expat_XML_SetStartCDataHandler(value parser, value handler)
{
CAMLparam2(parser, handler);
CAMLreturn (set_start_cdata_handler(parser, start_cdata_handler, handler));
}
/*
* external reset_start_cdata_handler : expat_parser -> unit =
* "expat_XML_ResetStartCDataHandler"
*/
CAMLprim value
expat_XML_ResetStartCDataHandler(value parser)
{
CAMLparam1(parser);
CAMLreturn (set_start_cdata_handler(parser, NULL, Val_unit));
}
/*
* End CData handler, setting and resetting
*/
static void
end_cdata_handler(void *user_data)
{
CAMLparam0();
value *handlers = user_data;
callback(Field(*handlers, EXPAT_END_CDATA_HANDLER), Val_unit);
CAMLreturn0;
}
static value
set_end_cdata_handler(value parser,
XML_EndCdataSectionHandler c_handler,
value ocaml_handler)
{
CAMLparam2(parser, ocaml_handler);
XML_Parser xml_parser = XML_Parser_val(parser);
value *handlers = XML_GetUserData(xml_parser);
Store_field(*handlers, EXPAT_END_CDATA_HANDLER, ocaml_handler);
XML_SetEndCdataSectionHandler(xml_parser, c_handler);
CAMLreturn (Val_unit);
}
/*
* external set_end_cdata_handler : expat_parser -> (unit -> unit) -> unit =
* "expat_XML_SetEndCDataHandler"
*/
CAMLprim value
expat_XML_SetEndCDataHandler(value parser, value handler)
{
CAMLparam2(parser, handler);
CAMLreturn (set_end_cdata_handler(parser, end_cdata_handler, handler));
}
/*
* external reset_end_cdata_handler : expat_parser -> unit =
* "expat_XML_ResetEndCDataHandler"
*/
CAMLprim value
expat_XML_ResetEndCDataHandler(value parser)
{
CAMLparam1(parser);
CAMLreturn (set_end_cdata_handler(parser, NULL, Val_unit));
}
/*
* Default handler, setting and resetting
*/
static void
default_handler(void *user_data, const char *data, int len)
{
CAMLparam0();
CAMLlocal1(d);
value *handlers = user_data;
d = alloc_string(len);
memmove(String_val(d), data, len);
callback(Field(*handlers, EXPAT_DEFAULT_HANDLER), d);
CAMLreturn0;
}
static value
set_default_handler(value parser,
XML_DefaultHandler c_handler,
value ocaml_handler)
{
CAMLparam2(parser, ocaml_handler);
XML_Parser xml_parser = XML_Parser_val(parser);
value *handlers = XML_GetUserData(xml_parser);
Store_field(*handlers, EXPAT_DEFAULT_HANDLER, ocaml_handler);
XML_SetDefaultHandler(xml_parser, c_handler);
CAMLreturn (Val_unit);
}
/*
* external set_default_handler : expat_parser -> (string -> unit) -> unit =
* "expat_XML_SetDefaultHandler"
*/
CAMLprim value
expat_XML_SetDefaultHandler(value parser, value handler)
{
CAMLparam2(parser, handler);
CAMLreturn (set_default_handler(parser, default_handler, handler));
}
/*
* external reset_default_handler : expat_parser -> unit =
* "expat_XML_ResetDefaultHandler"
*/
CAMLprim value
expat_XML_ResetDefaultHandler(value parser)
{
CAMLparam1(parser);
CAMLreturn (set_default_handler(parser, NULL, Val_unit));
}
/*
* External Entity Ref handler, setting and resetting
*/
static int
external_entity_ref_handler(XML_Parser xml_parser,
const char *context, const char *base,
const char *systemId, const char *publicId)
{
CAMLparam0();
CAMLlocal4(caml_context, caml_base, caml_systemId, caml_publicId);
value *handlers = XML_GetUserData(xml_parser);
value arg[4];
/*
* Now put the strings into ocaml values. The parameters context,
* base, and publicId are optional systemId is never optional.
*/
caml_context = Val_option_string(context);
caml_base = Val_option_string(base);
caml_systemId = copy_string(systemId);
caml_publicId = Val_option_string(publicId);
/* Call the callback which has more than 3 parameters */
arg[0] = caml_context;
arg[1] = caml_base;
arg[2] = caml_systemId;
arg[3] = caml_publicId;
callbackN(Field(*handlers, EXPAT_EXTERNAL_ENTITY_REF_HANDLER), 4, arg);
CAMLreturn (XML_STATUS_OK);
}
static value
set_external_entity_ref_handler(value parser,
XML_ExternalEntityRefHandler c_handler,
value ocaml_handler)
{
CAMLparam2(parser, ocaml_handler);
XML_Parser xml_parser = XML_Parser_val(parser);
value *handlers = XML_GetUserData(xml_parser);
Store_field(*handlers, EXPAT_EXTERNAL_ENTITY_REF_HANDLER, ocaml_handler);
XML_SetExternalEntityRefHandler(xml_parser, c_handler);
CAMLreturn (Val_unit);
}
/*
* external set_external_entity_ref_handler : expat_parser ->
* (string option -> string option -> string -> string option -> unit) ->
* unit = "expat_XML_SetExternalEntityRefHandler"
*/
CAMLprim value
expat_XML_SetExternalEntityRefHandler(value parser, value handler)
{
CAMLparam2(parser, handler);
CAMLreturn (set_external_entity_ref_handler(parser,
external_entity_ref_handler,
handler));
}
/*
* external reset_external_entity_ref_handler : expat_parser -> unit =
* "expat_XML_ResetDefaultHandler"
*/
CAMLprim value
expat_XML_ResetExternalEntityRefHandler(value parser)
{
CAMLparam1(parser);
CAMLreturn (set_external_entity_ref_handler(parser, NULL, Val_unit));
}
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