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Source at commit 1322 created 12 years 8 months ago.
By meklort, Add doxygen to utils folder
1/*! \file translator.cpp ␊
2 * \brief Implementation of generally used translator methods.␊
3 * ␊
4 * This file contains implementation of the translator methods that␊
5 * are not expected to be reimplemented by derived translator classes.␊
6 * It also contains static data tables used by the methods.␊
7 * ␊
8 */␊
9#include "translator.h"␊
10␊
11/*! The translation table used by Win1250ToISO88592() method. */␊
12const char Translator::Win1250ToISO88592Tab[] = ␊
13{␊
14 '\x80', '\x81', '\x82', '\x83', '\x84', '\x85', '\x86', '\x87',␊
15 '\x88', '\x89', '\xA9', '\x8B', '\xA6', '\xAB', '\xAE', '\xAC',␊
16 '\x90', '\x91', '\x92', '\x93', '\x94', '\x2E', '\x96', '\x97',␊
17 '\x98', '\x99', '\xB9', '\x9B', '\xB6', '\xBB', '\xBE', '\xBC',␊
18 '\xA0', '\x20', '\x20', '\xA3', '\xA4', '\xA1', '\xA6', '\xA7',␊
19 '\x22', '\xA9', '\xAA', '\x3C', '\xAC', '\x2D', '\xAE', '\xAF',␊
20 '\x2E', '\x2B', '\x20', '\xB3', '\x27', '\x75', '\xB6', '\xB7',␊
21 '\x20', '\xB1', '\xBA', '\x3E', '\xA5', '\x22', '\xB5', '\xBF',␊
22 '\xC0', '\xC1', '\xC2', '\xC3', '\xC4', '\xC5', '\xC6', '\xC7',␊
23 '\xC8', '\xC9', '\xCA', '\xCB', '\xCC', '\xCD', '\xCE', '\xCF',␊
24 '\xD0', '\xD1', '\xD2', '\xD3', '\xD4', '\xD5', '\xD6', '\xD7',␊
25 '\xD8', '\xD9', '\xDA', '\xDB', '\xDC', '\xDD', '\xDE', '\xDF',␊
26 '\xE0', '\xE1', '\xE2', '\xE3', '\xE4', '\xE5', '\xE6', '\xE7',␊
27 '\xE8', '\xE9', '\xEA', '\xEB', '\xEC', '\xED', '\xEE', '\xEF',␊
28 '\xF0', '\xF1', '\xF2', '\xF3', '\xF4', '\xF5', '\xF6', '\x2D',␊
29 '\xF8', '\xF9', '\xFA', '\xFB', '\xFC', '\xFD', '\xFE', '\xFF',␊
30 '\0'␊
31};␊
32␊
33␊
34/*! The translation table used by ISO88592ToWin1250() method. */␊
35const char Translator::ISO88592ToWin1250Tab[] = {␊
36 '\x80', '\x81', '\x82', '\x83', '\x84', '\x85', '\x86', '\x87',␊
37 '\x88', '\x89', '\x8A', '\x8B', '\x8C', '\x8D', '\x8E', '\x8F',␊
38 '\x90', '\x91', '\x92', '\x93', '\x94', '\x95', '\x96', '\x97',␊
39 '\x98', '\x99', '\x9A', '\x9B', '\x9C', '\x9D', '\x9E', '\x9F',␊
40 '\xA0', '\xA5', '\xA2', '\xA3', '\xA4', '\xBC', '\x8C', '\xA7',␊
41 '\xA8', '\x8A', '\xAA', '\x8D', '\x8F', '\xAD', '\x8E', '\xAF',␊
42 '\xB0', '\xB9', '\xB2', '\xB3', '\xB4', '\xBE', '\x9C', '\xB7',␊
43 '\xB8', '\x9A', '\xBA', '\x9D', '\x9F', '\xBD', '\x9E', '\xBF',␊
44 '\xC0', '\xC1', '\xC2', '\xC3', '\xC4', '\xC5', '\xC6', '\xC7',␊
45 '\xC8', '\xC9', '\xCA', '\xCB', '\xCC', '\xCD', '\xCE', '\xCF',␊
46 '\xD0', '\xD1', '\xD2', '\xD3', '\xD4', '\xD5', '\xD6', '\xD7',␊
47 '\xD8', '\xD9', '\xDA', '\xDB', '\xDC', '\xDD', '\xDE', '\xDF',␊
48 '\xE0', '\xE1', '\xE2', '\xE3', '\xE4', '\xE5', '\xE6', '\xE7',␊
49 '\xE8', '\xE9', '\xEA', '\xEB', '\xEC', '\xED', '\xEE', '\xEF',␊
50 '\xF0', '\xF1', '\xF2', '\xF3', '\xF4', '\xF5', '\xF6', '\xF7',␊
51 '\xF8', '\xF9', '\xFA', '\xFB', '\xFC', '\xFD', '\xFE', '\xFF',␊
52 '\0'␊
53};␊
54␊
55␊
56/*! The translation table used by Koi8RToWindows1251() method. */␊
57const unsigned char Translator::Koi8RToWindows1251Tab[128] =␊
58{ 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,␊
59 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,␊
60 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,␊
61 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,␊
62 254,224,225,246,228,229,244,227,245,232,233,234,235,236,237,238,␊
63 239,255,240,241,242,243,230,226,252,251,231,248,253,249,247,250,␊
64 222,192,193,214,196,197,212,195,213,200,201,202,203,204,205,206,␊
65 207,223,208,209,210,211,198,194,220,219,199,216,221,217,215,218 ␊
66};␊
67␊
68␊
69/*! The translation table used by Windows1251ToKoi8R() method. */␊
70const unsigned char Translator::Windows1251ToKoi8RTab[128] =␊
71{ 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,␊
72 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,␊
73 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,␊
74 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,␊
75 225,226,247,231,228,229,246,250,233,234,235,236,237,238,239,240,␊
76 242,243,244,245,230,232,227,254,251,253,255,249,248,252,224,241,␊
77 193,194,215,199,196,197,214,218,201,202,203,204,205,206,207,208,␊
78 210,211,212,213,198,200,195,222,219,221,223,217,216,220,192,209␊
79};␊
80␊
81/*! Returns the string converted from windows-1250 to iso-8859-2. */␊
82/* The method was designed initially for translator_cz.h. ␊
83 * It is used for on-line encoding conversion related to␊
84 * conditional compilation in Unix/MS Windows environments␊
85 * (both use different encoding). Later, the translator_hr.h␊
86 * (by Boris Bralo) used and improved the same style. As the␊
87 * method with the translation table was the same, the␊
88 * decision to move it to this base class was made. The same␊
89 * holds for ISO88592ToWin1250() method. ␊
90 * ␊
91 * Alexandr Chelpanov used the same approach for␊
92 * Koi8RToWindows1251() and Windows1251ToKoi8R() methods. Notice,␊
93 * that he uses Unicode tables.␊
94 * ␊
95 * It is recommended for possibly other similar methods in future.␊
96 */␊
97QCString Translator::Win1250ToISO88592(const QCString & sInput)␊
98{␊
99 // The conversion table for characters >127␊
100 // ␊
101 ␊
102 QCString result;␊
103 int len = sInput.length();␊
104␊
105 for (int i = 0; i < len; ++i)␊
106 {␊
107 unsigned int c = sInput[i]; ␊
108 result += (c > 127) ? Win1250ToISO88592Tab[c & 0x7F] : c;␊
109 }␊
110 return result;␊
111}␊
112␊
113␊
114/*! returns the string converted from iso-8859-2 to windows-1250 */␊
115/* See the comments of the Win1250ToISO88592() method for details. */␊
116QCString Translator::ISO88592ToWin1250(const QCString & sInput)␊
117{␊
118 // The conversion table for characters >127␊
119 // ␊
120 QCString result;␊
121 int len = sInput.length();␊
122␊
123 for (int i = 0; i < len; ++i)␊
124 {␊
125 unsigned int c = sInput[i]; ␊
126 result += (c > 127) ? ISO88592ToWin1250Tab[c & 0x7F] : c;␊
127 }␊
128 return result;␊
129}␊
130␊
131␊
132/*! Returns the string converted from koi8-r to windows-1251. */␊
133/* The method was designed initially for translator_cz.h. ␊
134 It is used for on-line encoding conversion related to conditional␊
135 compilation in Unix/MS Windows environments (both use different␊
136 encoding). Encoding table got from QT:qtextcodec.cpp␊
137 */␊
138QCString Translator::Koi8RToWindows1251( const QCString & sInput )␊
139{␊
140␊
141 QCString result(sInput);␊
142 int len = sInput.length();␊
143␊
144 const unsigned char * c = (const unsigned char *)(const char*)sInput;␊
145 unsigned char *dc = (unsigned char*)(const char*)result;␊
146 for( int i=0; i<len; i++ ) {␊
147 if ( c[i] > 127 )␊
148 dc[i] = Koi8RToWindows1251Tab[c[i]-128];␊
149 }␊
150 return result;␊
151}␊
152␊
153␊
154/*! returns the string converted from Windows-1251 to koi8-r */␊
155/* See the comments of the Koi8RToWindows1251() method for details.␊
156 Encoding table got from QT:qtextcodec.cpp */␊
157QCString Translator::Windows1251ToKoi8R( const QCString & sInput )␊
158{␊
159 QCString result(sInput);␊
160 int len = sInput.length();␊
161␊
162 const unsigned char * c = (const unsigned char *)(const char*)sInput;␊
163 unsigned char *dc = (unsigned char*)(const char*)result;␊
164 for( int i=0; i<len; i++ ) {␊
165 if ( c[i] > 127 )␊
166 dc[i] = Windows1251ToKoi8RTab[c[i]-128];␊
167 }␊
168 return result;␊
169}␊
170␊
171/*! returns the caracter converted from hankaku-kana to zenkakukana. ␊
172 Thanks Yongmao Ni http://alfin.mine.utsunomiya-u.ac.jp/~niy/algo/ */␊
173unsigned int hankaku2zen(int hankaku)␊
174{␊
175 static unsigned int z[64] = {␊
176 0x2121,0x2123,0x2156,0x2157,0x2122,0x2126,0x2572,0x2521,␊
177 0x2523,0x2525,0x2527,0x2529,0x2563,0x2565,0x2567,0x2543,␊
178 0x213c,0x2522,0x2524,0x2526,0x2528,0x252a,0x252b,0x252d,␊
179 0x252f,0x2531,0x2533,0x2535,0x2537,0x2539,0x253b,0x253d,␊
180 0x253f,0x2541,0x2544,0x2546,0x2548,0x254a,0x254b,0x254c,␊
181 0x254d,0x254e,0x254f,0x2552,0x2555,0x2558,0x255b,0x255e,␊
182 0x255f,0x2560,0x2561,0x2562,0x2564,0x2566,0x2568,0x2569,␊
183 0x256a,0x256b,0x256c,0x256d,0x256f,0x2573,0x212b,0x212c };␊
184␊
185 if (hankaku < 0xa0 || hankaku > 0xdf) return 0;␊
186 return z[hankaku - 0xa0];␊
187}␊
188␊
189/*! returns the character converted from japaneseEUC to SJIS␊
190 Thanks Yongmao Ni http://alfin.mine.utsunomiya-u.ac.jp/~niy/algo/ */␊
191unsigned int euc2sjis(unsigned int euc)␊
192{␊
193 unsigned int jis;␊
194 unsigned int hib, lob;␊
195␊
196 if ((euc & 0xff00) == 0x8e00)␊
197 jis = hankaku2zen(euc & 0xff);␊
198 else jis = euc & ~0x8080;␊
199 ␊
200 hib = (jis >> 8) & 0xff;␊
201 lob = jis & 0xff;␊
202 lob += (hib & 1) ? 0x1f : 0x7d;␊
203 if (lob >= 0x7f) lob++;␊
204 hib = ((hib - 0x21) >> 1) + 0x81;␊
205 if (hib > 0x9f) hib += 0x40;␊
206␊
207 return (hib << 8) | lob;␊
208}␊
209␊
210␊
211/*! returns the string converted from Japanese-EUC to SJIS */␊
212␊
213QCString Translator::JapaneseEucToSjis( const QCString & sInput )␊
214{␊
215 QString result;␊
216 int len = sInput.length();␊
217 int c1,c2,sj;␊
218␊
219 result.setUnicode(0, len);␊
220 QChar* uc = (QChar*)result.unicode(); // const_cast␊
221 const unsigned char * c = (const unsigned char *)(const char*)sInput;␊
222 ␊
223 for( int i=0; i<len;)␊
224 {␊
225 c1 = c[i];␊
226␊
227 if( c1 == EOF ) break;␊
228 ␊
229 /* if MSB=0 then the character is ascii */␊
230 if(!( c1 & 0x80))␊
231␉{␊
232␉ uc[i] = c[i];␊
233␉ i=i+1;␊
234␉}␊
235 else␊
236␉{␊
237␉ c2 = c[i+1];␊
238␉ if( c2 == EOF ) break;␊
239␉ sj = euc2sjis( (c1 << 8) + c2 );␊
240␉ uc[i] = sj >> 8;␊
241␉ uc[i+1] = sj & 0xff;␊
242␉ i+=2;␊
243␉}␊
244 }␊
245␊
246 return result.latin1();␊
247␊
248}␊
249

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