kc3-lang/libxml2/os400/libxmlrpg/encoding.rpgle
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os400/libxmlrpg/encoding.rpgle
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* Summary: interface for the encoding conversion functions * Description: interface for the encoding conversion functions needed for * XML basic encoding and iconv() support. * * Related specs are * 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. * * Copy: See Copyright for the status of this software. * * Author: Patrick Monnerat <pm@datasphere.ch>, DATASPHERE S.A. /if not defined(XML_CHAR_ENCODING_H__) /define XML_CHAR_ENCODING_H__ /include "libxmlrpg/xmlversion" /include "libxmlrpg/xmlTypesC" * xmlCharEncoding: * * Predefined values for some standard encodings. * Libxml does not do beforehand translation on UTF8 and ISOLatinX. * It also supports ASCII, ISO-8859-1, and UTF16 (LE and BE) by default. * * Anything else would have to be translated to UTF8 before being * given to the parser itself. The BOM for UTF16 and the encoding * declaration are looked at and a converter is looked for at that * point. If not found the parser stops here as asked by the XML REC. A * converter can be registered by the user * xmlRegisterCharEncodingHandler but the current form doesn't allow * stateful transcoding (a serious problem agreed !). If iconv has been * found it will be used automatically and allow stateful transcoding, * the simplest is then to be sure to enable iconv and to provide iconv * libs for the encoding support needed. * * Note that the generic "UTF-16" is not a predefined value. Instead, only * the specific UTF-16LE and UTF-16BE are present. d xmlCharEncoding... d s based(######typedef######) d like(xmlCenum) d XML_CHAR_ENCODING_ERROR... No encoding detected d c -1 d XML_CHAR_ENCODING_NONE... No encoding detected d c 0 d XML_CHAR_ENCODING_UTF8... UTF-8 d c 1 d XML_CHAR_ENCODING_UTF16LE... UTF-16 little endian d c 2 d XML_CHAR_ENCODING_UTF16BE... UTF-16 big endian d c 3 d XML_CHAR_ENCODING_UCS4LE... UCS-4 little endian d c 4 d XML_CHAR_ENCODING_UCS4BE... UCS-4 big endian d c 5 d XML_CHAR_ENCODING_EBCDIC... EBCDIC uh! d c 6 d XML_CHAR_ENCODING_UCS4_2143... UCS-4 unusual order d c 7 d XML_CHAR_ENCODING_UCS4_3412... UCS-4 unusual order d c 8 d XML_CHAR_ENCODING_UCS2... UCS-2 d c 9 d XML_CHAR_ENCODING_8859_1... ISO-8859-1 ISOLatin1 d c 10 d XML_CHAR_ENCODING_8859_2... ISO-8859-2 ISOLatin2 d c 11 d XML_CHAR_ENCODING_8859_3... ISO-8859-3 d c 12 d XML_CHAR_ENCODING_8859_4... ISO-8859-4 d c 13 d XML_CHAR_ENCODING_8859_5... ISO-8859-5 d c 14 d XML_CHAR_ENCODING_8859_6... ISO-8859-6 d c 15 d XML_CHAR_ENCODING_8859_7... ISO-8859-7 d c 16 d XML_CHAR_ENCODING_8859_8... ISO-8859-8 d c 17 d XML_CHAR_ENCODING_8859_9... ISO-8859-9 d c 18 d XML_CHAR_ENCODING_2022_JP... ISO-2022-JP d c 19 d XML_CHAR_ENCODING_SHIFT_JIS... Shift_JIS d c 20 d XML_CHAR_ENCODING_EUC_JP... EUC-JP d c 21 d XML_CHAR_ENCODING_ASCII... Pure ASCII d c 22 * xmlCharEncodingInputFunc: * @out: a pointer to an array of bytes to store the UTF-8 result * @outlen: the length of @out * @in: a pointer to an array of chars in the original encoding * @inlen: the length 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 bytes written, -1 if lack of space, or -2 * if the transcoding failed. * The value of @inlen after return is the number of octets consumed * if the return value is positive, else unpredictiable. * The value of @outlen after return is the number of octets consumed. d xmlCharEncodingInputFunc... d s * based(######typedef######) d procptr * xmlCharEncodingOutputFunc: * @out: a pointer to an array of bytes to store the result * @outlen: the length of @out * @in: a pointer to an array of UTF-8 chars * @inlen: the length of @in * * Take a block of UTF-8 chars in and try to convert it to another * encoding. * Note: a first call designed to produce heading info is called with * in = NULL. If stateful this should also initialize the encoder state. * * Returns the number of bytes written, -1 if lack of space, or -2 * if the transcoding failed. * The value of @inlen after return is the number of octets consumed * if the return value is positive, else unpredictiable. * The value of @outlen after return is the number of octets produced. d xmlCharEncodingOutputFunc... d s * based(######typedef######) d procptr * Block defining the handlers for non UTF-8 encodings. * If iconv is supported, there are two extra fields. /if defined(LIBXML_ICU_ENABLED) d uconv_t ds based(######typedef######) d align qualified d uconv * UConverter * d utf8 * UConverter * /endif d xmlCharEncodingHandlerPtr... d s * based(######typedef######) d xmlCharEncodingHandler... d ds based(xmlCharEncodingHandlerPtr) d align qualified d name * char * d input like(xmlCharEncodingInputFunc) d output like(xmlCharEncodingOutputFunc) * /if defined(LIBXML_ICONV_ENABLED) d iconv_in * iconv_t d iconv_out * iconv_t /endif LIBXML_ICONV_ENABLED * /if defined(LIBXML_ICU_ENABLED) d uconv_in * uconv_t * d uconv_out * uconv_t * /endif LIBXML_ICU_ENABLED /include "libxmlrpg/tree" * Interfaces for encoding handlers. d xmlInitCharEncodingHandlers... d pr extproc( d 'xmlInitCharEncodingHandlers') d xmlCleanupCharEncodingHandlers... d pr extproc( d 'xmlCleanupCharEncodingHandlers') d xmlRegisterCharEncodingHandler... d pr extproc( d 'xmlRegisterCharEncodingHandler') d handler value like(xmlCharEncodingHandlerPtr) d xmlGetCharEncodingHandler... d pr extproc('xmlGetCharEncodingHandler') d like(xmlCharEncodingHandlerPtr) d enc value like(xmlCharEncoding) d xmlFindCharEncodingHandler... d pr extproc('xmlFindCharEncodingHandler') d like(xmlCharEncodingHandlerPtr) d name * value options(*string) const char * d xmlNewCharEncodingHandler... d pr extproc('xmlNewCharEncodingHandler') d like(xmlCharEncodingHandlerPtr) d name * value options(*string) const char * d input value like(xmlCharEncodingInputFunc) d output value like(xmlCharEncodingOutputFunc) * Interfaces for encoding names and aliases. d xmlAddEncodingAlias... d pr extproc('xmlAddEncodingAlias') d like(xmlCint) d name * value options(*string) const char * d alias * value options(*string) const char * d xmlDelEncodingAlias... d pr extproc('xmlDelEncodingAlias') d like(xmlCint) d alias * value options(*string) const char * d xmlGetEncodingAlias... d pr * extproc('xmlGetEncodingAlias') const char * d alias * value options(*string) const char * d xmlCleanupEncodingAliases... d pr extproc('xmlCleanupEncodingAliases') d xmlParseCharEncoding... d pr extproc('xmlParseCharEncoding') d like(xmlCharEncoding) d name * value options(*string) const char * d xmlGetCharEncodingName... d pr * extproc('xmlGetCharEncodingName') const char * d enc value like(xmlCharEncoding) * Interfaces directly used by the parsers. d xmlDetectCharEncoding... d pr extproc('xmlDetectCharEncoding') d like(xmlCharEncoding) d in * value options(*string) const unsigned char* d len value like(xmlCint) d xmlCharEncOutFunc... d pr extproc('xmlCharEncOutFunc') d like(xmlCint) d handler likeds(xmlCharEncodingHandler) d out value like(xmlBufferPtr) d in value like(xmlBufferPtr) d xmlCharEncInFunc... d pr extproc('xmlCharEncInFunc') d like(xmlCint) d handler likeds(xmlCharEncodingHandler) d out value like(xmlBufferPtr) d in value like(xmlBufferPtr) d xmlCharEncFirstLine... d pr extproc('xmlCharEncFirstLine') d like(xmlCint) d handler likeds(xmlCharEncodingHandler) d out value like(xmlBufferPtr) d in value like(xmlBufferPtr) d xmlCharEncCloseFunc... d pr extproc('xmlCharEncCloseFunc') d like(xmlCint) d handler likeds(xmlCharEncodingHandler) * Export a few useful functions /if defined(LIBXML_OUTPUT_ENABLED) d UTF8Toisolat1 pr extproc('UTF8Toisolat1') d like(xmlCint) d out 65535 options(*varsize) unsigned char (*) d outlen like(xmlCint) d in * value options(*string) const unsigned char* d inlen like(xmlCint) /endif LIBXML_OUTPUT_ENABLD d isolat1ToUTF8 pr extproc('isolat1ToUTF8') d like(xmlCint) d out 65535 options(*varsize) unsigned char (*) d outlen like(xmlCint) d in * value options(*string) const unsigned char* d inlen like(xmlCint) /endif XML_CHAR_ENCODING_H