/* * 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__#include <libxml/xmlversion.h>#ifdef __cplusplusextern "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,                                         const unsigned char* in, int *inlen);/** * xmlCharEncodingOutputFunc: * @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,                                          const 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,					 int len);xmlCharEncoding xmlParseCharEncoding	(const char* name);xmlCharEncodingHandlerPtr xmlGetCharEncodingHandler(xmlCharEncoding enc);xmlCharEncodingHandlerPtr xmlFindCharEncodingHandler(const char *name);int	xmlCheckUTF8			(const unsigned char *utf);#ifdef __cplusplus}#endif#endif /* __XML_CHAR_ENCODING_H__ */