Annotation of parser3/src/include/pa_charset.h, revision 1.20.2.18.2.5
1.1 paf 1: /** @file
2: Parser: Charset connection decl.
3:
1.20.2.10 paf 4: Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
1.14 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.1 paf 6: */
7:
8: #ifndef PA_CHARSET_H
9: #define PA_CHARSET_H
1.17 paf 10:
1.20.2.18.2.5! (paf 11:: static const char* IDENT_CHARSET_H="$Date: 2003/03/25 09:34:53 $";
1.20.2.18.2.1 (paf 12::
1.1 paf 13:
14: #include "pa_exception.h"
15: #include "pa_common.h"
16:
17: // hiding into namespace so to avoid stupid conflict
18: namespace PCRE {
19: #include "pcre.h"
20: # include "internal.h"
21: };
22:
1.3 paf 23: #ifdef XML
24: #include "libxml/encoding.h"
25: #endif
26:
1.1 paf 27: // defines
28:
1.20.2.12 paf 29: #define MAX_CHARSET_UNI_CODES 500
30:
1.3 paf 31: # ifndef XMLCh
1.10 paf 32: typedef unsigned int XMLCh;
1.3 paf 33: # endif
34: # ifndef XMLByte
1.11 paf 35: typedef unsigned char XMLByte;
1.3 paf 36: # endif
1.20.2.15 paf 37:
38: // forwards
39:
40: class GdomeDOMString_auto_ptr;
41:
42: // helpers
1.3 paf 43:
1.10 paf 44: struct Charset_TransRec {
45: XMLCh intCh;
46: XMLByte extCh;
47: };
1.1 paf 48:
49: /** charset holds name & transcode tables
1.20.2.3 paf 50: registers libxml transcoders
1.1 paf 51: */
1.20.2.3 paf 52: class Charset: public PA_Object {
1.1 paf 53: public:
54:
1.20.2.18.2.2 (paf 55:: Charset(const String& aname, const String* afile_spec);
1.1 paf 56:
1.20.2.18.2.1 (paf 57:: const String& name() const { return fname; }
1.1 paf 58:
59: bool isUTF8() const { return fisUTF8; }
60:
1.20.2.18.2.1 (paf 61:: static void transcode(
1.20.2.14 paf 62: const Charset& source_transcoder, const void* source_body, size_t source_content_length,
63: const Charset& dest_transcoder, const void* & dest_body, size_t& dest_content_length
1.1 paf 64: );
65:
1.9 paf 66: #ifdef XML
1.20.2.18.2.3 (paf 67:: xmlCharEncodingHandler& transcoder(const String& name);
1.9 paf 68: #endif
69:
1.1 paf 70: public:
71:
72: unsigned char pcre_tables[tables_length];
73:
74: private:
75:
1.20.2.18.2.1 (paf 76:: void load_definition(const String& afile_spec);
1.1 paf 77: void sort_ToTable();
78:
1.20.2.18.2.1 (paf 79:: void transcodeToUTF8(
80:: const void* source_body, size_t source_content_length,
81:: const void* & dest_body, size_t& dest_content_length) const;
82:: void transcodeFromUTF8(
83:: const void* source_body, size_t source_content_length,
84:: const void* & dest_body, size_t& dest_content_length) const;
85::
86:: void transcodeToCharset(
87:: const Charset& dest_transcoder,
88:: const void* source_body, size_t source_content_length,
89:: const void*& dest_body, size_t& dest_content_length) const;
1.1 paf 90:
1.4 paf 91: public:
92:
93: struct Tables {
94: XMLCh fromTable[0x100];
1.20.2.12 paf 95: Charset_TransRec toTable[MAX_CHARSET_UNI_CODES];
1.4 paf 96: uint toTableSize;
97: };
98:
1.1 paf 99: private:
100:
1.20.2.18.2.1 (paf 101:: const String& fname;
1.20.2.18.2.2 (paf 102:: char* fname_cstr;
1.1 paf 103: bool fisUTF8;
1.4 paf 104: Tables tables;
1.1 paf 105:
106: #ifdef XML
107:
108: private:
1.20.2.14 paf 109: void addEncoding(char* name_cstr);
1.20.2.18.2.3 (paf 110:: void initTranscoder(const String& name, const char* name_cstr);
1.9 paf 111:
1.1 paf 112: public:
1.20.2.14 paf 113: /// converts GdomeDOMString string to char*
1.20.2.18.2.1 (paf 114:: const char* transcode_cstr(GdomeDOMString* s);
1.3 paf 115: /// converts GdomeDOMString string to parser String
1.20.2.18.2.3 (paf 116:: const String& transcode(GdomeDOMString* s);
1.20.2.14 paf 117: /// converts xmlChar* null-terminated string to char*
1.20.2.18.2.1 (paf 118:: const char* transcode_cstr(xmlChar* s);
1.8 paf 119: /// converts xmlChar* null-terminated string to parser String
1.20.2.18.2.3 (paf 120:: const String& transcode(xmlChar* s);
1.20.2.16 paf 121:
1.20.2.14 paf 122: /** converts sized char* to xmlChar*
123: @returns xmlChar* WHICH CALLER SHOULD FREE
1.16 paf 124: */
1.20.2.14 paf 125: xmlChar* transcode_buf2xchar(const char* buf, size_t buf_size);
1.20.2.16 paf 126: /** converts sized char* to gchar*
127: @returns gchar* WHICH CALLER SHOULD FREE
128: */
129: gchar* transcode_buf2gchar(const char* buf, size_t buf_size);
1.20.2.14 paf 130: /// converts char* to GdomeDOMString
1.20.2.10 paf 131: GdomeDOMString_auto_ptr transcode_buf2dom(const char* buf, size_t buf_size);
1.3 paf 132: /// converts parser String to GdomeDOMString
1.20.2.18.2.1 (paf 133:: GdomeDOMString_auto_ptr transcode(const String& s);
1.20.2.18.2.4 (paf 134:: /// converts parser StringBody to GdomeDOMString
135:: GdomeDOMString_auto_ptr transcode(const StringBody s);
1.20.2.16 paf 136:
137: private:
138:
139: typedef void* (*transcode_buf_malloc_func)(size_t size);
140: void* transcode_buf2mchar(transcode_buf_malloc_func malloc_func,
141: const char* buf, size_t buf_size);
1.1 paf 142:
143: private:
144:
1.20.2.14 paf 145: xmlCharEncodingHandler* ftranscoder;
1.1 paf 146:
147: #endif
148:
1.5 paf 149: };
150:
1.12 paf 151: #ifdef XML
1.5 paf 152: /// Auto-object used to track GdomeDOMString usage
153: class GdomeDOMString_auto_ptr {
1.20.2.14 paf 154: GdomeDOMString* fstring;
1.5 paf 155: public:
1.20.2.14 paf 156: /// frees astring afterwards!!!
157: explicit GdomeDOMString_auto_ptr(gchar* astring) : fstring(gdome_str_mkref_own(astring)) {}
1.20.2.18 paf 158: explicit GdomeDOMString_auto_ptr(GdomeDOMString* astring=0) : fstring(astring) {
1.7 paf 159: // not ref-ing, owning
1.5 paf 160: }
161: ~GdomeDOMString_auto_ptr() {
1.20.2.18 paf 162: if(fstring)
163: gdome_str_unref(fstring);
1.5 paf 164: }
165: GdomeDOMString* get() {
166: return fstring;
167: }
168: GdomeDOMString* operator->() {
169: return fstring;
170: }
171: GdomeDOMString& operator*() {
1.20.2.14 paf 172: return* fstring;
1.5 paf 173: }
174:
175: // copying
176: GdomeDOMString_auto_ptr(const GdomeDOMString_auto_ptr& src) : fstring(src.fstring) {
177: gdome_str_ref(fstring);
178: }
179: GdomeDOMString_auto_ptr& operator =(const GdomeDOMString_auto_ptr& src) {
180: if(this == &src)
1.20.2.14 paf 181: return* this;
1.5 paf 182:
1.20.2.18 paf 183: if(fstring)
184: gdome_str_unref(fstring);
1.5 paf 185: fstring=src.fstring;
1.20.2.18 paf 186: if(fstring)
187: gdome_str_ref(fstring);
1.5 paf 188:
1.20.2.14 paf 189: return* this;
1.5 paf 190: }
1.1 paf 191: };
1.12 paf 192: #endif
1.1 paf 193:
194: #endif
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