summaryrefslogtreecommitdiff
path: root/vcl/unx/generic/app/i18n_wrp.cxx
blob: e152135bc914b817db647b3969a4bcd4b843b38b (plain)
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
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


struct XIMArg
{
    char *name;
    char *value;
};

#if defined(SOLARIS) && !defined(__GNUC__)
#include <varargs.h>
#else
#include <stdarg.h>
#endif
#include <sal/alloca.h>

#include <string.h>
#include <dlfcn.h>

#include <X11/Xlib.h>
#include <X11/Xlibint.h>
#include "unx/XIM.h"

#define XIIIMP_LIB       "xiiimp.so.2"

#ifdef SOLARIS
#define XIIIMP_PATH     "/usr/openwin/lib/locale/common/" XIIIMP_LIB
#else /* Linux */
#define XIIIMP_PATH     "/usr/lib/im/" XIIIMP_LIB
#endif

extern "C" {
typedef XIM (*OpenFunction)(Display*, XrmDatabase, char*, char*, XIMArg*);
}

/* global variables */
static void *g_dlmodule = 0;
static OpenFunction g_open_im = (OpenFunction)NULL;

/* utility function to transform vararg list into an array of XIMArg */

int
XvaCountArgs( XIMArg *pInArgs )
{
    int nArgs = 0;
    char *pName, *pValue;

    while ( (pName = pInArgs->name) != NULL )
    {
        pValue = pInArgs->value;

        if ( strcmp(pName, XNVaNestedList) == 0 )
        {
            nArgs += XvaCountArgs( (XIMArg*)pValue );
        }
        else
        {
            nArgs += 1;
        }
        pInArgs++;
    }

    return nArgs;
}

int
XvaCountArgs( va_list pInArgs )
{
    int nArgs = 0;
    char *pName, *pValue;

    while ( (pName = va_arg(pInArgs, char*)) != NULL)
    {
        pValue = va_arg(pInArgs, char*);

        if ( strcmp(pName, XNVaNestedList) == 0 )
        {
            nArgs += XvaCountArgs( (XIMArg*)pValue );
        }
        else
        {
            nArgs += 1;
        }
    }

    return nArgs;
}

XIMArg*
XvaGetArgs( XIMArg *pInArgs, XIMArg *pOutArgs )
{
    char *pName, *pValue;

    while ( (pName = pInArgs->name) != NULL )
    {
        pValue = pInArgs->value;

        if ( strcmp(pName, XNVaNestedList) == 0 )
        {
            pOutArgs = XvaGetArgs( (XIMArg*)pValue, pOutArgs );
        }
        else
        {
            pOutArgs->name  = pName;
            pOutArgs->value = pValue;
            pOutArgs++;
        }
        pInArgs++;
    }

    return pOutArgs;
}

void
XvaGetArgs( va_list pInArgs, XIMArg *pOutArgs )
{
    char *pName, *pValue;

    while ((pName = va_arg(pInArgs, char*)) != NULL)
    {
        pValue = va_arg(pInArgs, char*);

        if ( strcmp(pName, XNVaNestedList) == 0 )
        {
            pOutArgs = XvaGetArgs( (XIMArg*)pValue, pOutArgs );
        }
        else
        {
            pOutArgs->name  = pName;
            pOutArgs->value = pValue;
            pOutArgs++;
        }
    }

    pOutArgs->name  = NULL;
    pOutArgs->value = NULL;
}


/* Puplic functions */

#ifdef __cplusplus
extern "C"
#endif
XIM
XvaOpenIM(Display *display, XrmDatabase rdb,
        char *res_name, char *res_class, ...)
{
      XIM xim = (XIM)0;
      va_list variable;
      int total_count = 0;

      /*
        * so count the stuff dangling here
     */

#if defined(SOLARIS) && !defined(__GNUC__)
      va_start(variable);
#else
    va_start(variable, res_class);
#endif
      total_count = XvaCountArgs(variable);
      va_end(variable);

      if (total_count > 0)
    {
        /* call a new open IM method */

        XIMArg* args = (XIMArg*)alloca( (total_count + 1) * sizeof(XIMArg) );

        /*
          * now package it up so we can set it along
          */
#if defined(SOLARIS) && !defined(__GNUC__)
        va_start(variable);
#else
        va_start(variable, res_class);
#endif
        XvaGetArgs( variable, args );
        va_end(variable);

        if (!g_dlmodule)
        {
            g_dlmodule = dlopen(XIIIMP_LIB, RTLD_LAZY);
            if(!g_dlmodule)
            {
                g_dlmodule = dlopen(XIIIMP_PATH, RTLD_LAZY);
                if (!g_dlmodule)
                    goto legacy_XIM;
            }
              g_open_im = (OpenFunction)(long)dlsym(g_dlmodule, "__XOpenIM");
              if (!g_open_im)
                goto legacy_XIM;

              xim = (*g_open_im)(display, (XrmDatabase)rdb,
                  (char*)res_name, (char *)res_class, (XIMArg*)args);
        }
        else
        {
              goto legacy_XIM;
        }
      }

// in #if to prevent warning "warning: label 'legacy_XIM' defined but not used"
     legacy_XIM:

    if (!xim)
        xim = XOpenIM(display, rdb, res_name, res_class);

    return xim;
}

/*
 * Close the connection to the input manager, and free the XIM structure
 */

Status XvaCloseIM(XIM)
{
      Status s = False;

    if (g_dlmodule)
    {
        /* assuming one XvaOpenIM call */
        dlclose(g_dlmodule);
            g_dlmodule = (void*)0;
        g_open_im = (OpenFunction)NULL;
        s = True;
      }
    return (s);
}



/* vim:set shiftwidth=4 softtabstop=4 expandtab: */