Annotation of parser3/src/include/pa_charset.h, revision 1.20.2.18.2.3
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:
1.20.2.18.2.3! (paf 11:: static const char* IDENT_CHARSET_H="$Date: 2003/03/21 14:49:00 $";
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);
1.20.2.6 paf 56: override ~Charset();
1.1 paf 57:
1.20.2.18.2.1 (paf 58:: const String& name() const { return fname; }
1.1 paf 59:
60: bool isUTF8() const { return fisUTF8; }
61:
1.20.2.18.2.1 (paf 62:: static void transcode(
1.20.2.14 paf 63: const Charset& source_transcoder, const void* source_body, size_t source_content_length,
64: const Charset& dest_transcoder, const void* & dest_body, size_t& dest_content_length
1.1 paf 65: );
66:
1.9 paf 67: #ifdef XML
1.20.2.18.2.3! (paf 68:: xmlCharEncodingHandler& transcoder(const String& name);
1.9 paf 69: #endif
70:
1.1 paf 71: public:
72:
73: unsigned char pcre_tables[tables_length];
74:
75: private:
76:
1.20.2.18.2.1 (paf 77:: void load_definition(const String& afile_spec);
1.1 paf 78: void sort_ToTable();
79:
1.20.2.18.2.1 (paf 80:: void transcodeToUTF8(
81:: const void* source_body, size_t source_content_length,
82:: const void* & dest_body, size_t& dest_content_length) const;
83:: void transcodeFromUTF8(
84:: const void* source_body, size_t source_content_length,
85:: const void* & dest_body, size_t& dest_content_length) const;
86::
87:: void transcodeToCharset(
88:: const Charset& dest_transcoder,
89:: const void* source_body, size_t source_content_length,
90:: const void*& dest_body, size_t& dest_content_length) const;
1.1 paf 91:
1.4 paf 92: public:
93:
94: struct Tables {
95: XMLCh fromTable[0x100];
1.20.2.12 paf 96: Charset_TransRec toTable[MAX_CHARSET_UNI_CODES];
1.4 paf 97: uint toTableSize;
98: };
99:
1.1 paf 100: private:
101:
1.20.2.18.2.1 (paf 102:: const String& fname;
1.20.2.18.2.2 (paf 103:: char* fname_cstr;
1.1 paf 104: bool fisUTF8;
1.4 paf 105: Tables tables;
1.1 paf 106:
107: #ifdef XML
108:
109: private:
1.20.2.14 paf 110: void addEncoding(char* name_cstr);
1.20.2.18.2.3! (paf 111:: void initTranscoder(const String& name, const char* name_cstr);
1.9 paf 112:
1.1 paf 113: public:
1.20.2.14 paf 114: /// converts GdomeDOMString string to char*
1.20.2.18.2.1 (paf 115:: const char* transcode_cstr(GdomeDOMString* s);
1.3 paf 116: /// converts GdomeDOMString string to parser String
1.20.2.18.2.3! (paf 117:: const String& transcode(GdomeDOMString* s);
1.20.2.14 paf 118: /// converts xmlChar* null-terminated string to char*
1.20.2.18.2.1 (paf 119:: const char* transcode_cstr(xmlChar* s);
1.8 paf 120: /// converts xmlChar* null-terminated string to parser String
1.20.2.18.2.3! (paf 121:: const String& transcode(xmlChar* s);
1.20.2.16 paf 122:
1.20.2.14 paf 123: /** converts sized char* to xmlChar*
124: @returns xmlChar* WHICH CALLER SHOULD FREE
1.16 paf 125: */
1.20.2.14 paf 126: xmlChar* transcode_buf2xchar(const char* buf, size_t buf_size);
1.20.2.16 paf 127: /** converts sized char* to gchar*
128: @returns gchar* WHICH CALLER SHOULD FREE
129: */
130: gchar* transcode_buf2gchar(const char* buf, size_t buf_size);
1.20.2.14 paf 131: /// converts char* to GdomeDOMString
1.20.2.10 paf 132: GdomeDOMString_auto_ptr transcode_buf2dom(const char* buf, size_t buf_size);
1.3 paf 133: /// converts parser String to GdomeDOMString
1.20.2.18.2.1 (paf 134:: GdomeDOMString_auto_ptr transcode(const String& s);
1.20.2.16 paf 135:
136: private:
137:
138: typedef void* (*transcode_buf_malloc_func)(size_t size);
139: void* transcode_buf2mchar(transcode_buf_malloc_func malloc_func,
140: const char* buf, size_t buf_size);
1.1 paf 141:
142: private:
143:
1.20.2.14 paf 144: xmlCharEncodingHandler* ftranscoder;
1.1 paf 145:
146: #endif
147:
1.5 paf 148: };
149:
1.12 paf 150: #ifdef XML
1.5 paf 151: /// Auto-object used to track GdomeDOMString usage
152: class GdomeDOMString_auto_ptr {
1.20.2.14 paf 153: GdomeDOMString* fstring;
1.5 paf 154: public:
1.20.2.14 paf 155: /// frees astring afterwards!!!
156: explicit GdomeDOMString_auto_ptr(gchar* astring) : fstring(gdome_str_mkref_own(astring)) {}
1.20.2.18 paf 157: explicit GdomeDOMString_auto_ptr(GdomeDOMString* astring=0) : fstring(astring) {
1.7 paf 158: // not ref-ing, owning
1.5 paf 159: }
160: ~GdomeDOMString_auto_ptr() {
1.20.2.18 paf 161: if(fstring)
162: gdome_str_unref(fstring);
1.5 paf 163: }
164: GdomeDOMString* get() {
165: return fstring;
166: }
167: GdomeDOMString* operator->() {
168: return fstring;
169: }
170: GdomeDOMString& operator*() {
1.20.2.14 paf 171: return* fstring;
1.5 paf 172: }
173:
174: // copying
175: GdomeDOMString_auto_ptr(const GdomeDOMString_auto_ptr& src) : fstring(src.fstring) {
176: gdome_str_ref(fstring);
177: }
178: GdomeDOMString_auto_ptr& operator =(const GdomeDOMString_auto_ptr& src) {
179: if(this == &src)
1.20.2.14 paf 180: return* this;
1.5 paf 181:
1.20.2.18 paf 182: if(fstring)
183: gdome_str_unref(fstring);
1.5 paf 184: fstring=src.fstring;
1.20.2.18 paf 185: if(fstring)
186: gdome_str_ref(fstring);
1.5 paf 187:
1.20.2.14 paf 188: return* this;
1.5 paf 189: }
1.1 paf 190: };
1.12 paf 191: #endif
1.1 paf 192:
193: #endif
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