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
|
/* $Xorg: lcCharSet.c,v 1.3 2000/08/17 19:45:16 cpqbld Exp $ */
/*
* Copyright 1992, 1993 by TOSHIBA Corp.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of TOSHIBA not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission. TOSHIBA make no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*
* Author: Katsuhisa Yano TOSHIBA Corp.
* mopi@osa.ilab.toshiba.co.jp
*/
/* $XFree86: xc/lib/X11/lcCharSet.c,v 3.8 2001/01/17 19:41:53 dawes Exp $ */
#include <stdio.h>
#include "Xlibint.h"
#include "XlcPublic.h"
#include "XlcPubI.h"
/* The list of all known XlcCharSets. They are identified by their name. */
typedef struct _XlcCharSetListRec {
XlcCharSet charset;
struct _XlcCharSetListRec *next;
} XlcCharSetListRec, *XlcCharSetList;
static XlcCharSetList charset_list = NULL;
/* Returns the charset with the given name (including side suffix).
Returns NULL if not found. */
XlcCharSet
_XlcGetCharSet(
const char *name)
{
XlcCharSetList list;
XrmQuark xrm_name;
xrm_name = XrmStringToQuark(name);
for (list = charset_list; list; list = list->next) {
if (xrm_name == list->charset->xrm_name)
return (XlcCharSet) list->charset;
}
return (XlcCharSet) NULL;
}
/* Returns the charset with the given encoding (no side suffix) and
responsible for at least the given side (XlcGL or XlcGR).
Returns NULL if not found. */
XlcCharSet
_XlcGetCharSetWithSide(
const char *encoding_name,
XlcSide side)
{
XlcCharSetList list;
XrmQuark xrm_encoding_name;
xrm_encoding_name = XrmStringToQuark(encoding_name);
for (list = charset_list; list; list = list->next) {
if (list->charset->xrm_encoding_name == xrm_encoding_name
&& (list->charset->side == XlcGLGR || list->charset->side == side))
return (XlcCharSet) list->charset;
}
return (XlcCharSet) NULL;
}
/* Registers an XlcCharSet in the list of character sets.
Returns True if successful. */
Bool
_XlcAddCharSet(
XlcCharSet charset)
{
XlcCharSetList list;
if (_XlcGetCharSet(charset->name))
return False;
list = (XlcCharSetList) Xmalloc(sizeof(XlcCharSetListRec));
if (list == NULL)
return False;
list->charset = charset;
list->next = charset_list;
charset_list = list;
return True;
}
/* List of resources for XlcCharSet. */
static XlcResource resources[] = {
{ XlcNName, NULLQUARK, sizeof(char *),
XOffsetOf(XlcCharSetRec, name), XlcGetMask },
{ XlcNEncodingName, NULLQUARK, sizeof(char *),
XOffsetOf(XlcCharSetRec, encoding_name), XlcGetMask },
{ XlcNSide, NULLQUARK, sizeof(XlcSide),
XOffsetOf(XlcCharSetRec, side), XlcGetMask },
{ XlcNCharSize, NULLQUARK, sizeof(int),
XOffsetOf(XlcCharSetRec, char_size), XlcGetMask },
{ XlcNSetSize, NULLQUARK, sizeof(int),
XOffsetOf(XlcCharSetRec, set_size), XlcGetMask },
{ XlcNControlSequence, NULLQUARK, sizeof(char *),
XOffsetOf(XlcCharSetRec, ct_sequence), XlcGetMask }
};
/* Retrieves a number of attributes of an XlcCharSet.
Return NULL if successful, otherwise the name of the first argument
specifiying a nonexistent attribute. */
static char *
get_values(
XlcCharSet charset,
XlcArgList args,
int num_args)
{
if (resources[0].xrm_name == NULLQUARK)
_XlcCompileResourceList(resources, XlcNumber(resources));
return _XlcGetValues((XPointer) charset, resources, XlcNumber(resources),
args, num_args, XlcGetMask);
}
/* Retrieves a number of attributes of an XlcCharSet.
Return NULL if successful, otherwise the name of the first argument
specifiying a nonexistent attribute. */
#if NeedVarargsPrototypes
char *
_XlcGetCSValues(XlcCharSet charset, ...)
#else
char *
_XlcGetCSValues(charset, va_alist)
XlcCharSet charset;
va_dcl
#endif
{
va_list var;
XlcArgList args;
char *ret;
int num_args;
Va_start(var, charset);
_XlcCountVaList(var, &num_args);
va_end(var);
Va_start(var, charset);
_XlcVaToArgList(var, num_args, &args);
va_end(var);
if (args == (XlcArgList) NULL)
return (char *) NULL;
ret = get_values(charset, args, num_args);
Xfree(args);
return ret;
}
/* Creates a new XlcCharSet, given its name (including side suffix) and
Compound Text ESC sequence (normally at most 4 bytes). */
XlcCharSet
_XlcCreateDefaultCharSet(
const char *name,
const char *ct_sequence)
{
XlcCharSet charset;
int name_len, ct_sequence_len;
const char *colon;
char *tmp;
charset = (XlcCharSet) Xmalloc(sizeof(XlcCharSetRec));
if (charset == NULL)
return (XlcCharSet) NULL;
bzero((char *) charset, sizeof(XlcCharSetRec));
name_len = strlen(name);
ct_sequence_len = strlen(ct_sequence);
/* Fill in name and xrm_name. */
tmp = (char *) Xmalloc(name_len + 1 + ct_sequence_len + 1);
if (tmp == NULL) {
Xfree((char *) charset);
return (XlcCharSet) NULL;
}
memcpy(tmp, name, name_len+1);
charset->name = tmp;
charset->xrm_name = XrmStringToQuark(charset->name);
/* Fill in encoding_name and xrm_encoding_name. */
if ((colon = strchr(charset->name, ':')) != NULL) {
unsigned int length = colon - charset->name;
char *encoding_tmp = (char *) Xmalloc(length + 1);
if (encoding_tmp == NULL) {
Xfree((char *) charset->name);
Xfree((char *) charset);
return (XlcCharSet) NULL;
}
memcpy(encoding_tmp, charset->name, length);
encoding_tmp[length] = '\0';
charset->encoding_name = encoding_tmp;
charset->xrm_encoding_name = XrmStringToQuark(charset->encoding_name);
} else {
charset->encoding_name = charset->name;
charset->xrm_encoding_name = charset->xrm_name;
}
/* Fill in ct_sequence. */
tmp += name_len + 1;
memcpy(tmp, ct_sequence, ct_sequence_len+1);
charset->ct_sequence = tmp;
/* Fill in side, char_size, set_size. */
if (!_XlcParseCharSet(charset))
/* If ct_sequence is not usable in Compound Text, remove it. */
charset->ct_sequence = "";
return (XlcCharSet) charset;
}
|
