1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
|
// -*- coding:unix; mode:c++; tab-width:4; c-basic-offset:4; indent-tabs-mode:nil -*-
/*------------------------------------------------------------------------------
VnConv: Vietnamese Encoding Converter Library
UniKey Project: http://unikey.sourceforge.net
Copyleft (C) 1998-2002 Pham Kim Long
Contact: longp@cslab.felk.cvut.cz
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
--------------------------------------------------------------------------------*/
#ifndef __CHARSET_CONVERT_H
#define __CHARSET_CONVERT_H
#if !defined(_WIN32)
#include <stdint.h>
#endif
#if defined(_WIN32)
#if defined(UNIKEYHOOK)
#define DllInterface __declspec( dllexport )
#else
#define DllInterface __declspec( dllimport )
#endif
#else
#define DllInterface //not used
#define DllExport
#define DllImport
#endif
#include "vnconv.h"
#include "byteio.h"
#include "pattern.h"
#define TOTAL_VNCHARS 213
#define TOTAL_ALPHA_VNCHARS 186
#if defined(_WIN32)
typedef unsigned __int32 StdVnChar;
typedef unsigned __int16 UnicodeChar;
typedef unsigned __int16 UKWORD;
typedef unsigned __int32 UKDWORD;
#else
//typedef unsigned int StdVnChar; //the size should be more specific
typedef uint32_t StdVnChar;
typedef uint16_t UnicodeChar;
typedef uint16_t UKWORD;
typedef uint32_t UKDWORD;
#endif
//typedef unsigned short UnicodeChar;
//typedef unsigned short UKWORD;
//typedef unsigned int UKDWORD; //the size should be more specific
#ifndef LOWORD
#define LOWORD(l) ((UKWORD)(l))
#endif
#ifndef HIWORD
#define HIWORD(l) ((UKWORD)(((UKDWORD)(l) >> 16) & 0xFFFF))
#endif
#ifndef MAKEWORD
#define MAKEWORD(a, b) ((UKWORD)(((UKBYTE)(a)) | ((UKWORD)((UKBYTE)(b))) << 8))
#endif
const StdVnChar VnStdCharOffset = 0x10000;
const StdVnChar INVALID_STD_CHAR = 0xFFFFFFFF;
//const unsigned char PadChar = '?'; //? is used for VIQR charset
const unsigned char PadChar = '#';
const unsigned char PadStartQuote = '\"';
const unsigned char PadEndQuote = '\"';
const unsigned char PadEllipsis = '.';
class DllInterface VnCharset {
public:
virtual void startInput() {};
virtual void startOutput() {};
// virtual UKBYTE *nextInput(UKBYTE *input, int inLen, StdVnChar & stdChar, int & bytesRead) = 0;
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead) = 0;
//------------------------------------------------------------------------
// put a character to the output after converting it
// Arguments:
// output[in]: output buffer
// stdChar[in]: character in standard charset
// outLen[out]: length of converted sequence
// maxAvail[in]: max length available.
// Returns: next position in output
//------------------------------------------------------------------------
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen) = 0;
virtual int elementSize();
virtual ~VnCharset() {}
};
//--------------------------------------------------
class SingleByteCharset: public VnCharset {
protected:
UKWORD m_stdMap[256];
unsigned char * m_vnChars;
public:
SingleByteCharset(unsigned char * vnChars);
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
};
//--------------------------------------------------
class VnInternalCharset: public VnCharset {
public:
VnInternalCharset() {};
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
virtual int elementSize();
};
//--------------------------------------------------
class UnicodeCharset: public VnCharset {
protected:
UKDWORD m_vnChars[TOTAL_VNCHARS];
UnicodeChar * m_toUnicode;
public:
UnicodeCharset(UnicodeChar *vnChars);
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
virtual int elementSize();
};
//--------------------------------------------------
class DoubleByteCharset: public VnCharset {
protected:
UKWORD m_stdMap[256];
UKDWORD m_vnChars[TOTAL_VNCHARS];
UKWORD * m_toDoubleChar;
public:
DoubleByteCharset(UKWORD *vnChars);
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
};
//--------------------------------------------------
class UnicodeUTF8Charset: public UnicodeCharset
{
public:
UnicodeUTF8Charset(UnicodeChar *vnChars) : UnicodeCharset(vnChars) {}
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
};
//--------------------------------------------------
class UnicodeRefCharset: public UnicodeCharset
{
public:
UnicodeRefCharset(UnicodeChar *vnChars) : UnicodeCharset(vnChars) {}
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
};
//--------------------------------------------------
class UnicodeHexCharset: public UnicodeRefCharset
{
public:
UnicodeHexCharset(UnicodeChar *vnChars) : UnicodeRefCharset(vnChars) {}
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
};
//--------------------------------------------------
class UnicodeCStringCharset: public UnicodeCharset
{
protected:
int m_prevIsHex;
public:
UnicodeCStringCharset(UnicodeChar *vnChars) : UnicodeCharset(vnChars) {}
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
virtual void startInput();
};
//--------------------------------------------------
class WinCP1258Charset: public VnCharset {
protected:
UKWORD m_stdMap[256];
UKDWORD m_vnChars[TOTAL_VNCHARS*2];
UKWORD *m_toDoubleChar;
int m_totalChars;
public:
WinCP1258Charset(UKWORD *compositeChars, UKWORD *precomposedChars);
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
};
//--------------------------------------------------
struct UniCompCharInfo {
UKDWORD compChar;
int stdIndex;
};
class UnicodeCompCharset: public VnCharset {
protected:
UniCompCharInfo m_info[TOTAL_VNCHARS*2];
UKDWORD *m_uniCompChars;
int m_totalChars;
public:
UnicodeCompCharset(UnicodeChar *uniChars, UKDWORD *uniCompChars);
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
virtual int elementSize();
};
//--------------------------------------------------
class VIQRCharset: public VnCharset {
protected:
UKDWORD *m_vnChars;
UKWORD m_stdMap[256];
int m_atWordBeginning;
int m_escapeBowl;
int m_escapeRoof;
int m_escapeHook;
int m_escapeTone;
int m_gotTone;
int m_escAll;
int m_noOutEsc;
public:
int m_suspicious;
VIQRCharset(UKDWORD *vnChars);
virtual void startInput();
virtual void startOutput();
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
};
//--------------------------------------------------
class UTF8VIQRCharset: public VnCharset {
protected:
VIQRCharset *m_pViqr;
UnicodeUTF8Charset *m_pUtf;
public:
UTF8VIQRCharset(UnicodeUTF8Charset *pUtf, VIQRCharset *pViqr);
virtual void startInput();
virtual void startOutput();
virtual int nextInput(ByteInStream & is, StdVnChar & stdChar, int & bytesRead);
virtual int putChar(ByteOutStream & os, StdVnChar stdChar, int & outLen);
};
//--------------------------------------------------
class DllInterface CVnCharsetLib {
protected:
SingleByteCharset * m_sgCharsets[CONV_TOTAL_SINGLE_CHARSETS];
DoubleByteCharset * m_dbCharsets[CONV_TOTAL_DOUBLE_CHARSETS];
UnicodeCharset * m_pUniCharset;
UnicodeCompCharset * m_pUniCompCharset;
UnicodeUTF8Charset * m_pUniUTF8;
UnicodeRefCharset * m_pUniRef;
UnicodeHexCharset * m_pUniHex;
VIQRCharset * m_pVIQRCharObj;
UTF8VIQRCharset * m_pUVIQRCharObj;
WinCP1258Charset * m_pWinCP1258;
UnicodeCStringCharset *m_pUniCString;
VnInternalCharset *m_pVnIntCharset;
public:
PatternList m_VIQREscPatterns, m_VIQROutEscPatterns;
VnConvOptions m_options;
CVnCharsetLib();
~CVnCharsetLib();
VnCharset * getVnCharset(int charsetIdx);
};
extern unsigned char SingleByteTables[][TOTAL_VNCHARS];
extern UKWORD DoubleByteTables[][TOTAL_VNCHARS];
extern UnicodeChar UnicodeTable[TOTAL_VNCHARS];
extern UKDWORD VIQRTable[TOTAL_VNCHARS];
extern UKDWORD UnicodeComposite[TOTAL_VNCHARS];
extern UKWORD WinCP1258[TOTAL_VNCHARS];
extern UKWORD WinCP1258Pre[TOTAL_VNCHARS];
extern DllInterface CVnCharsetLib VnCharsetLibObj;
extern VnConvOptions VnConvGlobalOptions;
extern int StdVnNoTone[TOTAL_VNCHARS];
extern int StdVnRootChar[TOTAL_VNCHARS];
DllInterface int genConvert(VnCharset & incs, VnCharset & outcs, ByteInStream & input, ByteOutStream & output);
StdVnChar StdVnToUpper(StdVnChar ch);
StdVnChar StdVnToLower(StdVnChar ch);
StdVnChar StdVnGetRoot(StdVnChar ch);
#endif
|
