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| version 1.9, 2002/01/15 13:18:43 | version 1.59, 2024/11/04 03:53:25 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: Charset connection decl. | Parser: Charset connection decl. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2024 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru) | Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru> |
| $Id$ | |
| */ | */ |
| #ifndef PA_CHARSET_H | #ifndef PA_CHARSET_H |
| #define PA_CHARSET_H | #define PA_CHARSET_H |
| #include "pa_pool.h" | #define IDENT_PA_CHARSET_H "$Id$" |
| #include "pa_exception.h" | #include "pa_exception.h" |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_hash.h" | |
| #include "pa_array.h" | |
| // hiding into namespace so to avoid stupid conflict | #ifdef HAVE_PCRE2 |
| namespace PCRE { | #include <pcre2.h> |
| #include "pcre.h" | #else |
| # include "internal.h" | #include <pcre.h> |
| }; | #endif |
| // we are using some pcre_internal.h stuff as well | |
| #include "../lib/pcre/pa_pcre_internal.h" | |
| #ifdef XML | #ifdef XML |
| #include "libxml/encoding.h" | #include "libxml/encoding.h" |
| Line 26 namespace PCRE { | Line 30 namespace PCRE { |
| // defines | // defines |
| #ifdef XML | #define MAX_CHARSETS 10 |
| /*# include <util/XercesDefs.hpp> | |
| # include <util/TransService.hpp> | |
| # define Charset_TransRec XMLTransService::TransRec | |
| */ | |
| # ifndef XMLCh | #define MAX_CHARSET_UNI_CODES 500 |
| # define XMLCh unsigned int | |
| # endif | |
| # ifndef XMLByte | |
| # define XMLByte unsigned char | |
| # endif | |
| struct Charset_TransRec { | |
| XMLCh intCh; | |
| XMLByte extCh; | |
| }; | |
| #else | #ifndef XMLCh |
| # ifndef XMLCh | typedef unsigned int XMLCh; |
| # define XMLCh unsigned int | #endif |
| # endif | #ifndef XMLByte |
| # ifndef XMLByte | typedef unsigned char XMLByte; |
| # define XMLByte unsigned char | |
| # endif | |
| struct Charset_TransRec { | |
| XMLCh intCh; | |
| XMLByte extCh; | |
| }; | |
| #endif | #endif |
| // helpers | |
| typedef HashString<String::Body> HashStringString; | |
| /** charset holds name & transcode tables | /** charset holds name & transcode tables |
| registers Xerces transcoders | registers libxml transcoders |
| */ | */ |
| class Charset : public Pooled { | class Charset: public PA_Object { |
| public: | public: |
| Charset(Pool& apool, const String& aname, const String *request_file_spec); | Charset(Request_charsets* charsets, const String::Body ANAME, const String* afile_spec); |
| Charset::~Charset(); | |
| const String& name() const { return fname; } | const String::Body NAME() const { return FNAME; } |
| const char* NAME_CSTR() const { return FNAME_CSTR; } | |
| bool isUTF8() const { return fisUTF8; } | bool isUTF8() const { return fisUTF8; } |
| static void transcode(Pool& pool, | static String::C transcode(const String::C src, const Charset& source_charset, const Charset& dest_charset); |
| const Charset& source_transcoder, const void *source_body, size_t source_content_length, | static String::Body transcode(const String::Body src, const Charset& source_transcoder, const Charset& dest_transcoder); |
| const Charset& dest_transcoder, const void *& dest_body, size_t& dest_content_length | static String& transcode(const String& src, const Charset& source_transcoder, const Charset& dest_transcoder); |
| ); | static void transcode(ArrayString& src, const Charset& source_transcoder, const Charset& dest_transcoder); |
| static void transcode(HashStringString& src, const Charset& source_transcoder, const Charset& dest_transcoder); | |
| static String::C escape(const String::C src, const Charset& source_charset); | |
| static String::Body escape(const String::Body src, const Charset& source_charset); | |
| static String& escape(const String& src, const Charset& source_charset); | |
| static String::C escape_JSON(const String::C src, const Charset& source_charset); | |
| static String::Body escape_JSON(const String::Body src, const Charset& source_charset); | |
| static String& escape_JSON(const String& src, const Charset& source_charset); | |
| void store_Char(XMLByte*& outPtr, XMLCh src, XMLByte not_found); | |
| #ifdef XML | #ifdef XML |
| xmlCharEncodingHandler *transcoder(const String *source); | xmlCharEncodingHandler& transcoder(const String::Body NAME); |
| #endif | #endif |
| public: | public: |
| Line 86 public: | Line 84 public: |
| private: | private: |
| void loadDefinition(const String& request_file_spec); | void load_definition(Request_charsets& charsets, const String& afile_spec); |
| void sort_ToTable(); | void sort_ToTable(); |
| void transcodeToUTF8(Pool& pool, | const String::C transcodeToUTF8(const String::C src) const; |
| const void *source_body, size_t source_content_length, | const String::C transcodeFromUTF8(const String::C src) const; |
| const void *& dest_body, size_t& dest_content_length) const; | |
| void transcodeFromUTF8(Pool& pool, | const String::C transcodeToCharset(const String::C src, |
| const void *source_body, size_t source_content_length, | const Charset& dest_transcoder) const; |
| const void *& dest_body, size_t& dest_content_length) const; | |
| void transcodeToCharset(Pool& pool, | |
| const Charset& dest_transcoder, | |
| const void *source_body, size_t source_content_length, | |
| const void *& dest_body, size_t& dest_content_length) const; | |
| public: | public: |
| struct Tables { | struct Tables { |
| struct Rec { | |
| XMLCh intCh; | |
| XMLByte extCh; | |
| }; | |
| XMLCh fromTable[0x100]; | XMLCh fromTable[0x100]; |
| Charset_TransRec *toTable; | Rec toTable[MAX_CHARSET_UNI_CODES]; |
| uint toTableSize; | uint toTableSize; |
| }; | }; |
| struct UTF8CaseTable { | |
| struct Rec { | |
| XMLCh from, to; | |
| }; | |
| uint size; | |
| Rec* records; | |
| }; | |
| private: | private: |
| const String& fname; | const String::Body FNAME; |
| char* FNAME_CSTR; | |
| bool fisUTF8; | bool fisUTF8; |
| Tables tables; | Tables tables; |
| static size_t calc_escaped_length_UTF8(XMLByte* src, size_t src_length); | |
| static size_t calc_escaped_length(const XMLByte* src, size_t src_length, const Charset::Tables& tables); | |
| static size_t calc_escaped_length(const String::C src, const Charset& source_charset); | |
| static size_t escape_UTF8(const XMLByte* src, size_t src_length, XMLByte* dest); | |
| static size_t escape(const XMLByte* src, size_t src_length, XMLByte* dest, const Charset::Tables& tables); | |
| static size_t calc_JSON_escaped_length_UTF8(XMLByte* src, size_t src_length); | |
| static size_t calc_JSON_escaped_length(const XMLByte* src, size_t src_length, const Charset::Tables& tables); | |
| static size_t calc_JSON_escaped_length(const String::C src, const Charset& source_charset); | |
| static size_t escape_JSON_UTF8(const XMLByte* src, size_t src_length, XMLByte* dest); | |
| static size_t escape_JSON(const XMLByte* src, size_t src_length, XMLByte* dest, const Charset::Tables& tables); | |
| #ifdef XML | #ifdef XML |
| private: | private: |
| void addEncoding(char *name_cstr); | void addEncoding(char* name_cstr); |
| void initTranscoder(const String *source, const char *name_cstr); | void initTranscoder(const String::Body name, const char* name_cstr); |
| public: | public: |
| /// converts GdomeDOMString string to char * | /// converts xmlChar* null-terminated string to char* |
| const char *transcode_cstr(GdomeDOMString *s); | String::C transcode_cstr(const xmlChar* s); |
| /// converts GdomeDOMString string to parser String | |
| String& transcode(GdomeDOMString *s); | |
| /// converts xmlChar* null-terminated string to char * | |
| const char *transcode_cstr(xmlChar *s); | |
| /// converts xmlChar* null-terminated string to parser String | /// converts xmlChar* null-terminated string to parser String |
| String& transcode(xmlChar *s); | const String& transcode(const xmlChar* s); |
| /// converts char * to GdomeDOMString | |
| GdomeDOMString_auto_ptr transcode_buf(const char *buf, size_t buf_size); | /** converts sized char* to xmlChar* |
| /// converts parser String to GdomeDOMString | @returns xmlChar* WHICH CALLER SHOULD FREE |
| GdomeDOMString_auto_ptr transcode(const String& s); | */ |
| xmlChar* transcode_buf2xchar(const char* buf, size_t buf_size); | |
| /// converts parser String to xmlChar* | |
| xmlChar* transcode(const String& s); | |
| /// converts parser String::Body to xmlChar* | |
| xmlChar* transcode(const String::Body s); | |
| private: | private: |
| xmlCharEncodingHandler *ftranscoder; | xmlCharEncodingHandler* ftranscoder; |
| #endif | #endif |
| }; | }; |
| /// Auto-object used to track GdomeDOMString usage | |
| class GdomeDOMString_auto_ptr { | |
| GdomeDOMString *fstring; | |
| public: | |
| explicit GdomeDOMString_auto_ptr(gchar *astring) : fstring(gdome_str_mkref(astring)) {} | |
| explicit GdomeDOMString_auto_ptr(GdomeDOMString *astring) : fstring(astring) { | |
| // not ref-ing, owning | |
| } | |
| ~GdomeDOMString_auto_ptr() { | |
| gdome_str_unref(fstring); | |
| } | |
| GdomeDOMString* get() { | |
| return fstring; | |
| } | |
| GdomeDOMString* operator->() { | |
| return fstring; | |
| } | |
| GdomeDOMString& operator*() { | |
| return *fstring; | |
| } | |
| // copying | |
| GdomeDOMString_auto_ptr(const GdomeDOMString_auto_ptr& src) : fstring(src.fstring) { | |
| gdome_str_ref(fstring); | |
| } | |
| GdomeDOMString_auto_ptr& operator =(const GdomeDOMString_auto_ptr& src) { | |
| if(this == &src) | |
| return *this; | |
| gdome_str_unref(fstring); | |
| fstring=src.fstring; | |
| gdome_str_ref(fstring); | |
| return *this; | // externs |
| } | |
| extern Charset::UTF8CaseTable UTF8CaseToUpper; | |
| extern Charset::UTF8CaseTable UTF8CaseToLower; | |
| void change_case_UTF8(const XMLByte* srcData, size_t srcLen, | |
| XMLByte* toFill, size_t toFillLen, | |
| const Charset::UTF8CaseTable& table); | |
| size_t getUTF8BytePos(const XMLByte* srcBegin, const XMLByte* srcEnd, size_t charPos/*position in characters*/); | |
| size_t getUTF8CharPos(const XMLByte* srcBegin, const XMLByte* srcEnd, size_t bytePos/*position in bytes*/); | |
| size_t lengthUTF8(const XMLByte* srcBegin, const XMLByte* srcEnd); | |
| unsigned int lengthUTF8Char(const XMLByte c); | |
| const char *fixUTF8(const char *src); | |
| class UTF8_string_iterator { | |
| public: | |
| UTF8_string_iterator(const String& astring): fsrcPtr((XMLByte*)astring.cstr()), fsrcEnd(fsrcPtr + astring.length()) {} | |
| UTF8_string_iterator(XMLByte* asrcPtr, size_t length): fsrcPtr(asrcPtr), fsrcEnd(fsrcPtr + length) {} | |
| bool has_next(); | |
| XMLCh next() { return fUTF8Char; } | |
| XMLByte getFirstByte(){ return ffirstByte; } | |
| size_t getCharSize(){ return fcharSize; } | |
| private: | |
| const XMLByte* fsrcPtr; | |
| const XMLByte* fsrcEnd; | |
| size_t fcharSize; | |
| XMLByte ffirstByte; | |
| XMLCh fUTF8Char; | |
| }; | }; |
| #endif | #endif |