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/cvs/rxvt-unicode/src/encoding.C
Revision: 1.3
Committed: Wed Mar 3 17:15:49 2004 UTC (20 years, 2 months ago) by pcg
Content type: text/plain
Branch: MAIN
CVS Tags: rel-2_1_0
Changes since 1.1: +68 -46 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 pcg 1.1 #include "../config.h"
2    
3     #include "encoding.h"
4    
5     #include <cstdlib>
6     #include <cstring>
7    
8     const struct n2cs {
9     const char *name;
10     codeset cs;
11     } n2cs[] = {
12     /* first one found is the normalized one */
13 pcg 1.3 { "ISO88591", CS_ISO8859_1 },
14     { "ISO8859PRIMARY", CS_ISO8859_1 }, // some stupid fonts use this (hi tigert)
15     { "ISO88592", CS_ISO8859_2 },
16     { "ISO88593", CS_ISO8859_3 },
17     { "ISO88594", CS_ISO8859_4 },
18     { "ISO88595", CS_ISO8859_5 },
19     { "ISO88596", CS_ISO8859_6 },
20     { "ISO88597", CS_ISO8859_7 },
21     { "ISO88598", CS_ISO8859_8 },
22     { "ISO88599", CS_ISO8859_9 },
23     { "ISO885910", CS_ISO8859_10 },
24     { "ISO885911", CS_ISO8859_11 },
25     { "ISO885913", CS_ISO8859_13 },
26     { "ISO885914", CS_ISO8859_14 },
27     { "ISO885915", CS_ISO8859_15 },
28     { "FCD885915", CS_ISO8859_15 },
29     { "ISO885916", CS_ISO8859_16 },
30    
31     { "ISO10646*", CS_UNICODE },
32     { "UNICODE", CS_UNICODE },
33     { "UTF8", CS_UNICODE },
34    
35     { "ASCII", CS_US_ASCII },
36     { "USASCII", CS_US_ASCII },
37     { "ANSIX341968", CS_US_ASCII },
38    
39     { "KOI8R", CS_KOI8_R },
40     { "GOST1976874*", CS_KOI8_R },
41     { "KOI8RU", CS_KOI8_U },
42     { "KOI8U", CS_KOI8_U },
43    
44     { "VISCII*", CS_VISCII },
45     { "TIS62025291", CS_VISCII }, // close enough
46    
47     { "JISX0201*", CS_JIS0201_1976_0 },
48     { "JISX0208*", CS_JIS0208_1983_0 }, // also wrongly matches -1990-0 (check Encode::JP)
49     { "JISX0212*", CS_JIS0212_1990_0 },
50     { "JISX0221*", CS_UNICODE },
51    
52     { "KSC5601*", CS_KSC5601_1987_0 },
53     { "KSX1001*", CS_KSC5601_1987_0 },
54     { "KSC5700*", CS_UNICODE }, // unicode plus extensions
55    
56     { "BIG5P*", CS_BIG5_PLUS },
57     { "BIG5ETEN*", CS_BIG5_EXT },
58     { "BIG5*", CS_BIG5 },
59     { "GB2312*", CS_GB2312_1980_0 },
60     { "GB6345*", CS_GB2312_1980_0 }, // slightly different to gb2312??
61     { "GB8565*", CS_GB2312_1980_0 }, // a superset of gb2312??
62     { "GB13000*", CS_UNICODE },
63     { "CNS1164319921", CS_CNS11643_1992_1 },
64     { "CNS1164319922", CS_CNS11643_1992_2 },
65     { "CNS1164319923", CS_CNS11643_1992_3 },
66     { "CNS1164319924", CS_CNS11643_1992_4 },
67     { "CNS1164319925", CS_CNS11643_1992_5 },
68     { "CNS1164319926", CS_CNS11643_1992_6 },
69     { "CNS1164319927", CS_CNS11643_1992_7 },
70     { "CNS116431992F", CS_CNS11643_1992_F },
71 pcg 1.1
72     { 0, CS_UNKNOWN }
73     };
74    
75     static const char *
76     normalize_name (const char *name)
77     {
78     static char res[16];
79     char *r;
80    
81     for (r = res; *name && r < res + 15; name++)
82     if ((*name >= '0' && *name <= '9')
83     || (*name >= 'A' && *name <= 'Z'))
84     *r++ = *name;
85     else if (*name >= 'a' && *name <= 'z')
86     *r++ = *name - ('a' - 'A');
87    
88     *r = 0;
89    
90     return res;
91     }
92    
93     codeset
94     codeset_from_name (const char *name)
95     {
96     if (!name)
97     return CS_UNKNOWN;
98    
99     name = normalize_name (name);
100    
101     const struct n2cs *i = n2cs;
102    
103     do {
104 pcg 1.3 int len = strlen (i->name);
105    
106     if ((i->name[len - 1] == '*'
107     && !strncmp (name, i->name, len - 1))
108     || !strcmp (name, i->name))
109     return i->cs;
110    
111 pcg 1.1 } while ((++i)->name);
112    
113     return CS_UNKNOWN;
114     }
115    
116     struct rxvt_codeset_conv_unknown : rxvt_codeset_conv {
117     uint32_t to_unicode (uint32_t enc) const { return NOCHAR; }
118     uint32_t from_unicode (uint32_t unicode) const { return NOCHAR; }
119     } rxvt_codeset_conv_unknown;
120    
121     struct rxvt_codeset_conv_us_ascii : rxvt_codeset_conv {
122     uint32_t from_unicode (uint32_t unicode) const { return unicode <= 127 ? unicode : NOCHAR; }
123     } rxvt_codeset_conv_us_ascii;
124    
125     struct rxvt_codeset_conv_unicode : rxvt_codeset_conv {
126     /* transparent */
127     } rxvt_codeset_conv_unicode;
128    
129     struct rxvt_codeset_conv_unicode_16 : rxvt_codeset_conv {
130     uint32_t to_unicode (uint32_t enc) const { return enc; }
131     uint32_t from_unicode (uint32_t unicode) const { return unicode <= 65535 ? unicode : NOCHAR; }
132     } rxvt_codeset_conv_unicode_16;
133    
134     /* block character set, must conform to the dec special pseudofont in defaultfont.C */
135     struct rxvt_codeset_conv_special : rxvt_codeset_conv {
136     uint32_t to_unicode (uint32_t enc) const {
137     return enc;
138     }
139    
140     uint32_t from_unicode (uint32_t unicode) const {
141     return unicode;
142     }
143     } rxvt_codeset_conv_special;
144    
145     #define ENCODING_DEFAULT
146    
147     #include "table/iso8859_1.h"
148     #include "table/iso8859_15.h"
149    
150     //#define ENCODING_EU
151    
152     #include "table/iso8859_2.h"
153     #include "table/iso8859_3.h"
154     #include "table/iso8859_4.h"
155     #include "table/iso8859_5.h"
156     #include "table/iso8859_6.h"
157     #include "table/iso8859_7.h"
158     #include "table/iso8859_8.h"
159     #include "table/iso8859_9.h"
160     #include "table/iso8859_10.h"
161     #include "table/iso8859_11.h"
162     #include "table/iso8859_13.h"
163     #include "table/iso8859_14.h"
164     #include "table/iso8859_16.h"
165    
166     #include "table/koi8_r.h"
167     #include "table/koi8_u.h"
168    
169     //#define ENCODING_KR
170    
171     #include "table/ksc5601_1987_0.h"
172    
173     //#define ENCODING_CN
174    
175     #include "table/gb2312_1980_0.h"
176 pcg 1.3 #include "table/big5.h"
177 pcg 1.1
178     //#define ENCODING_CN_EXT
179    
180     #include "table/cns11643_1992_1.h"
181     #include "table/cns11643_1992_2.h"
182     #include "table/cns11643_1992_3.h"
183     #include "table/cns11643_1992_4.h"
184     #include "table/cns11643_1992_5.h"
185     #include "table/cns11643_1992_6.h"
186     #include "table/cns11643_1992_7.h"
187     #include "table/cns11643_1992_f.h"
188     #include "table/big5_ext.h"
189     #include "table/big5_plus.h"
190    
191     //#define ENCODING_VN
192    
193     #include "table/viscii.h"
194    
195     //#define ENCODING_JP
196    
197     #include "table/jis0201_1976_0.h"
198     #include "table/jis0208_1983_0.h"
199     #include "table/jis0212_1990_0.h"
200    
201     //#define ENCODING_JP_EXT
202    
203     #include "table/jis0213_1.h"
204     #include "table/jis0213_2.h"
205    
206 pcg 1.3 // order must match table in encoding.h(!)
207 pcg 1.1 const rxvt_codeset_conv *rxvt_codeset[NUM_CODESETS] = {
208     &rxvt_codeset_conv_unknown,
209     &rxvt_codeset_conv_special,
210    
211     &rxvt_codeset_conv_us_ascii,
212    
213     &rxvt_codeset_conv_iso8859_1,
214     &rxvt_codeset_conv_iso8859_2,
215     &rxvt_codeset_conv_iso8859_3,
216     &rxvt_codeset_conv_iso8859_4,
217     &rxvt_codeset_conv_iso8859_5,
218     &rxvt_codeset_conv_iso8859_6,
219     &rxvt_codeset_conv_iso8859_7,
220     &rxvt_codeset_conv_iso8859_8,
221     &rxvt_codeset_conv_iso8859_9,
222     &rxvt_codeset_conv_iso8859_10,
223     &rxvt_codeset_conv_iso8859_11,
224     &rxvt_codeset_conv_iso8859_13,
225     &rxvt_codeset_conv_iso8859_14,
226     &rxvt_codeset_conv_iso8859_15,
227     &rxvt_codeset_conv_iso8859_16,
228    
229     &rxvt_codeset_conv_koi8_r,
230     &rxvt_codeset_conv_koi8_u,
231    
232     &rxvt_codeset_conv_jis0201_1976_0,
233     &rxvt_codeset_conv_jis0208_1983_0,
234     &rxvt_codeset_conv_jis0212_1990_0,
235    
236     &rxvt_codeset_conv_jis0213_1,
237     &rxvt_codeset_conv_jis0213_2,
238    
239     &rxvt_codeset_conv_ksc5601_1987_0,
240    
241     &rxvt_codeset_conv_gb2312_1980_0,
242    
243     &rxvt_codeset_conv_cns11643_1992_1,
244     &rxvt_codeset_conv_cns11643_1992_2,
245     &rxvt_codeset_conv_cns11643_1992_3,
246     &rxvt_codeset_conv_cns11643_1992_4,
247     &rxvt_codeset_conv_cns11643_1992_5,
248     &rxvt_codeset_conv_cns11643_1992_6,
249     &rxvt_codeset_conv_cns11643_1992_7,
250     &rxvt_codeset_conv_cns11643_1992_f,
251 pcg 1.3 &rxvt_codeset_conv_big5,
252 pcg 1.1 &rxvt_codeset_conv_big5_ext,
253     &rxvt_codeset_conv_big5_plus,
254    
255     &rxvt_codeset_conv_viscii,
256    
257     &rxvt_codeset_conv_unicode_16,
258     &rxvt_codeset_conv_unicode
259     };
260