Annotation of parser3/src/include/pa_charset.h, revision 1.8
1.1 paf 1: /** @file
2: Parser: Charset connection decl.
3:
4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
5: Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
6:
1.8 ! paf 7: $Id: pa_charset.h,v 1.7 2002/01/11 13:00:52 paf Exp $
1.1 paf 8: */
9:
10: #ifndef PA_CHARSET_H
11: #define PA_CHARSET_H
12:
13: #include "pa_pool.h"
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:
29: #ifdef XML
1.3 paf 30: /*# include <util/XercesDefs.hpp>
1.1 paf 31: # include <util/TransService.hpp>
32: # define Charset_TransRec XMLTransService::TransRec
1.3 paf 33: */
34:
35: # ifndef XMLCh
36: # define XMLCh unsigned int
37: # endif
38: # ifndef XMLByte
39: # define XMLByte unsigned char
40: # endif
41:
42: struct Charset_TransRec {
43: XMLCh intCh;
44: XMLByte extCh;
45: };
46:
1.1 paf 47: #else
48: # ifndef XMLCh
49: # define XMLCh unsigned int
50: # endif
51: # ifndef XMLByte
52: # define XMLByte unsigned char
53: # endif
54:
55: struct Charset_TransRec {
56: XMLCh intCh;
57: XMLByte extCh;
58: };
59: #endif
60:
61: /** charset holds name & transcode tables
62: registers Xerces transcoders
63: */
64: class Charset : public Pooled {
65: public:
66:
1.2 paf 67: Charset(Pool& apool, const String& aname, const String *request_file_spec);
1.1 paf 68: Charset::~Charset();
69:
70: const String& name() const { return fname; }
71:
72: bool isUTF8() const { return fisUTF8; }
73:
74: static void transcode(Pool& pool,
75: const Charset& source_transcoder, const void *source_body, size_t source_content_length,
76: const Charset& dest_transcoder, const void *& dest_body, size_t& dest_content_length
77: );
78:
79: public:
80:
81: unsigned char pcre_tables[tables_length];
82:
83: private:
84:
1.2 paf 85: void loadDefinition(const String& request_file_spec);
1.1 paf 86: void sort_ToTable();
87:
88: void transcodeToUTF8(Pool& pool,
89: const void *source_body, size_t source_content_length,
90: const void *& dest_body, size_t& dest_content_length) const;
91: void transcodeFromUTF8(Pool& pool,
92: const void *source_body, size_t source_content_length,
93: const void *& dest_body, size_t& dest_content_length) const;
94: void transcodeToCharset(Pool& pool,
95: const Charset& dest_transcoder,
96: const void *source_body, size_t source_content_length,
97: const void *& dest_body, size_t& dest_content_length) const;
98:
1.4 paf 99: public:
100:
101: struct Tables {
102: XMLCh fromTable[0x100];
103: Charset_TransRec *toTable;
104: uint toTableSize;
105: };
106:
1.1 paf 107: private:
108:
1.2 paf 109: const String& fname;
1.1 paf 110: bool fisUTF8;
1.4 paf 111: Tables tables;
1.1 paf 112:
113: #ifdef XML
114:
115: private:
1.4 paf 116: void addEncoding(char *name_cstr);
1.1 paf 117: void initTranscoder(const String *source, const char *name_cstr);
118:
119: public:
1.3 paf 120: /// converts GdomeDOMString string to char *
121: const char *transcode_cstr(GdomeDOMString *s);
122: /// converts GdomeDOMString string to parser String
123: String& transcode(GdomeDOMString *s);
1.8 ! paf 124: /// converts xmlChar* null-terminated string to char *
! 125: const char *transcode_cstr(xmlChar *s);
! 126: /// converts xmlChar* null-terminated string to parser String
! 127: String& transcode(xmlChar *s);
1.3 paf 128: /// converts char * to GdomeDOMString
1.5 paf 129: GdomeDOMString_auto_ptr transcode_buf(const char *buf, size_t buf_size);
1.3 paf 130: /// converts parser String to GdomeDOMString
1.5 paf 131: GdomeDOMString_auto_ptr transcode(const String& s);
1.1 paf 132:
133: private:
134:
1.3 paf 135: xmlCharEncodingHandler *transcoder;
1.1 paf 136:
137: #endif
138:
1.5 paf 139: };
140:
141: /// Auto-object used to track GdomeDOMString usage
142: class GdomeDOMString_auto_ptr {
143: GdomeDOMString *fstring;
144: public:
1.6 paf 145: explicit GdomeDOMString_auto_ptr(gchar *astring) : fstring(gdome_str_mkref(astring)) {}
1.5 paf 146: explicit GdomeDOMString_auto_ptr(GdomeDOMString *astring) : fstring(astring) {
1.7 paf 147: // not ref-ing, owning
1.5 paf 148: }
149: ~GdomeDOMString_auto_ptr() {
150: gdome_str_unref(fstring);
151: }
152: GdomeDOMString* get() {
153: return fstring;
154: }
155: GdomeDOMString* operator->() {
156: return fstring;
157: }
158: GdomeDOMString& operator*() {
159: return *fstring;
160: }
161:
162: // copying
163: GdomeDOMString_auto_ptr(const GdomeDOMString_auto_ptr& src) : fstring(src.fstring) {
164: gdome_str_ref(fstring);
165: }
166: GdomeDOMString_auto_ptr& operator =(const GdomeDOMString_auto_ptr& src) {
167: if(this == &src)
168: return *this;
169:
170: gdome_str_unref(fstring);
171: fstring=src.fstring;
172: gdome_str_ref(fstring);
173:
174: return *this;
175: }
1.1 paf 176: };
177:
178: #endif
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