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/*
* encoding.h : interface for the encoding conversion functions needed for
* XML
*
* Related specs:
* rfc2044 (UTF-8 and UTF-16) F. Yergeau Alis Technologies
* [ISO-10646] UTF-8 and UTF-16 in Annexes
* [ISO-8859-1] ISO Latin-1 characters codes.
* [UNICODE] The Unicode Consortium, "The Unicode Standard --
* Worldwide Character Encoding -- Version 1.0", Addison-
* Wesley, Volume 1, 1991, Volume 2, 1992. UTF-8 is
* described in Unicode Technical Report #4.
* [US-ASCII] Coded Character Set--7-bit American Standard Code for
* Information Interchange, ANSI X3.4-1986.
*
* See Copyright for the status of this software.
*
* Daniel.Veillard@w3.org
*/
#ifndef __XML_CHAR_ENCODING_H__
#define __XML_CHAR_ENCODING_H__
#ifdef __cplusplus
extern "C" {
#endif
/**
* Predefined values for some standard encodings
*/
typedef enum {
XML_CHAR_ENCODING_ERROR= -1, /* No char encoding detected */
XML_CHAR_ENCODING_NONE= 0, /* No char encoding detected */
XML_CHAR_ENCODING_UTF8= 1, /* UTF-8 */
XML_CHAR_ENCODING_UTF16LE= 2, /* UTF-16 little endian */
XML_CHAR_ENCODING_UTF16BE= 3, /* UTF-16 big endian */
XML_CHAR_ENCODING_UCS4LE= 4, /* UCS-4 little endian */
XML_CHAR_ENCODING_UCS4BE= 5, /* UCS-4 big endian */
XML_CHAR_ENCODING_EBCDIC= 6, /* EBCDIC uh! */
XML_CHAR_ENCODING_UCS4_2143=7, /* UCS-4 unusual ordering */
XML_CHAR_ENCODING_UCS4_3412=8, /* UCS-4 unusual ordering */
XML_CHAR_ENCODING_UCS2= 9, /* UCS-2 */
XML_CHAR_ENCODING_8859_1= 10,/* ISO-8859-1 ISO Latin 1 */
XML_CHAR_ENCODING_8859_2= 11,/* ISO-8859-2 ISO Latin 2 */
XML_CHAR_ENCODING_8859_3= 12,/* ISO-8859-3 */
XML_CHAR_ENCODING_8859_4= 13,/* ISO-8859-4 */
XML_CHAR_ENCODING_8859_5= 14,/* ISO-8859-5 */
XML_CHAR_ENCODING_8859_6= 15,/* ISO-8859-6 */
XML_CHAR_ENCODING_8859_7= 16,/* ISO-8859-7 */
XML_CHAR_ENCODING_8859_8= 17,/* ISO-8859-8 */
XML_CHAR_ENCODING_8859_9= 18,/* ISO-8859-9 */
XML_CHAR_ENCODING_2022_JP= 19,/* ISO-2022-JP */
XML_CHAR_ENCODING_SHIFT_JIS=20,/* Shift_JIS */
XML_CHAR_ENCODING_EUC_JP= 21 /* EUC-JP */
} xmlCharEncoding;
/**
* xmlCharEncodingInputFunc:
* @out: a pointer ot an array of bytes to store the UTF-8 result
* @outlen: the lenght of @out
* @in: a pointer ot an array of chars in the original encoding
* @inlen: the lenght of @in
*
* Take a block of chars in the original encoding and try to convert
* it to an UTF-8 block of chars out.
*
* Returns the number of byte written, or -1 by lack of space.
*/
typedef int (* xmlCharEncodingInputFunc)(unsigned char* out, int outlen,
unsigned char* in, int inlen);
/**
* xmlCharEncodingInputFunc:
* @out: a pointer ot an array of bytes to store the result
* @outlen: the lenght of @out
* @in: a pointer ot an array of UTF-8 chars
* @inlen: the lenght of @in
*
* Take a block of UTF-8 chars in and try to convert it to an other
* encoding.
*
* Returns the number of byte written, or -1 by lack of space, or -2
* if the transcoding failed.
*/
typedef int (* xmlCharEncodingOutputFunc)(unsigned char* out, int outlen,
unsigned char* in, int inlen);
/*
* Block defining the handlers for non UTF-8 encodings.
*/
typedef struct _xmlCharEncodingHandler xmlCharEncodingHandler;
typedef xmlCharEncodingHandler *xmlCharEncodingHandlerPtr;
struct _xmlCharEncodingHandler {
char *name;
xmlCharEncodingInputFunc input;
xmlCharEncodingOutputFunc output;
};
void xmlInitCharEncodingHandlers (void);
void xmlCleanupCharEncodingHandlers (void);
void xmlRegisterCharEncodingHandler (xmlCharEncodingHandlerPtr handler);
xmlCharEncoding xmlDetectCharEncoding (const unsigned char* in);
xmlCharEncoding xmlParseCharEncoding (const char* name);
xmlCharEncodingHandlerPtr xmlGetCharEncodingHandler(xmlCharEncoding enc);
xmlCharEncodingHandlerPtr xmlFindCharEncodingHandler(const char *name);
#ifdef __cplusplus
}
#endif
#endif /* __XML_CHAR_ENCODING_H__ */
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