1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2017 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <sys/stat.h>
33 #include <errno.h>
34
35 #include "properties.h"
36 #include <ucx/string.h>
37 #include <ucx/buffer.h>
38 #include <ucx/properties.h>
39
40 static UiProperties *application_properties;
41 static UiProperties *language;
42
43 #ifndef UI_COCOA
44
45 static char *locales_dir;
46 static char *pixmaps_dir;
47
48 #endif
49
50 char* ui_getappdir() {
51 if(ui_appname() == NULL) {
52 return NULL;
53 }
54
55 return ui_configfile(NULL);
56 }
57
58 char* ui_configfile(char *name) {
59 char *appname = ui_appname();
60 if(!appname) {
61 return NULL;
62 }
63
64 UcxBuffer *buf = ucx_buffer_new(NULL, 128, UCX_BUFFER_AUTOEXTEND);
65
66 // add base dir
67 char *homeenv = getenv("HOME");
68 if(homeenv == NULL) {
69 ucx_buffer_free(buf);
70 return NULL;
71 }
72 sstr_t home = sstr(homeenv);
73
74 ucx_buffer_write(home.ptr, 1, home.length, buf);
75 if(home.ptr[home.length-1] != '/') {
76 ucx_buffer_putc(buf, '/');
77 }
78
79 #ifdef UI_COCOA
80 // on OS X the app dir is $HOME/Library/Application Support/$APPNAME/
81 ucx_buffer_puts(buf, "Library/Application Support/");
82 #else
83 // app dir is $HOME/.$APPNAME/
84 ucx_buffer_putc(buf, '.');
85 #endif
86 ucx_buffer_puts(buf, appname);
87 ucx_buffer_putc(buf, '/');
88
89 // add file name
90 if(name) {
91 ucx_buffer_puts(buf, name);
92 }
93
94 char *path = buf->space;
95 free(buf);
96 return path;
97 }
98
99 static int ui_mkdir(char *path) {
100 #ifdef _WIN32
101 return mkdir(path);
102 #else
103 return mkdir(path, S_IRWXU);
104 #endif
105 }
106
107 void uic_load_app_properties() {
108 application_properties = ucx_map_new(128);
109
110 if(!ui_appname()) {
111 // applications without name cannot load app properties
112 return;
113 }
114
115 char *dir = ui_configfile(NULL);
116 if(!dir) {
117 return;
118 }
119 if(ui_mkdir(dir)) {
120 if(errno != EEXIST) {
121 fprintf(stderr, "Ui Error: Cannot create directory %s\n", dir);
122 free(dir);
123 return;
124 }
125 }
126 free(dir);
127
128 char *path = ui_configfile("application.properties");
129 if(!path) {
130 return;
131 }
132
133 FILE *file = fopen(path, "r");
134 if(!file) {
135 free(path);
136 return;
137 }
138
139 if(ucx_properties_load(application_properties, file)) {
140 fprintf(stderr, "Ui Error: Cannot load application properties.\n");
141 }
142
143 fclose(file);
144 free(path);
145 }
146
147 void uic_store_app_properties() {
148 char *path = ui_configfile("application.properties");
149 if(!path) {
150 return;
151 }
152
153 FILE *file = fopen(path, "w");
154 if(!file) {
155 fprintf(stderr, "Ui Error: Cannot open properties file: %s\n", path);
156 free(path);
157 return;
158 }
159
160 if(ucx_properties_store(application_properties, file)) {
161 fprintf(stderr, "Ui Error: Cannot store application properties.\n");
162 }
163
164 fclose(file);
165 free(path);
166 }
167
168
169 char* ui_get_property(char *name) {
170 return ucx_map_cstr_get(application_properties, name);
171 }
172
173 void ui_set_property(char *name, char *value) {
174 ucx_map_cstr_put(application_properties, name, value);
175 }
176
177 void ui_set_default_property(char *name, char *value) {
178 char *v = ucx_map_cstr_get(application_properties, name);
179 if(!v) {
180 ucx_map_cstr_put(application_properties, name, value);
181 }
182 }
183
184
185
186 static char* uic_concat_path(const char *base, const char *p, const char *ext) {
187 size_t baselen = strlen(base);
188
189 UcxBuffer *buf = ucx_buffer_new(NULL, 32, UCX_BUFFER_AUTOEXTEND);
190 if(baselen > 0) {
191 ucx_buffer_write(base, 1, baselen, buf);
192 if(base[baselen - 1] != '/') {
193 ucx_buffer_putc(buf, '/');
194 }
195 }
196 ucx_buffer_write(p, 1, strlen(p), buf);
197 if(ext) {
198 ucx_buffer_write(ext, 1, strlen(ext), buf);
199 }
200
201 char *str = buf->space;
202 free(buf);
203 return str;
204 }
205
206 #ifndef UI_COCOA
207
208 void ui_locales_dir(char *path) {
209 locales_dir = path;
210 }
211
212 void ui_pixmaps_dir(char *path) {
213 pixmaps_dir = path;
214 }
215
216 char* uic_get_image_path(const char *imgfilename) {
217 if(pixmaps_dir) {
218 return uic_concat_path(pixmaps_dir, imgfilename, NULL);
219 } else {
220 return NULL;
221 }
222 }
223
224 void ui_load_lang(char *locale) {
225 if(!locale) {
226 locale = "en_EN";
227 }
228
229 char *path = uic_concat_path(locales_dir, locale, ".properties");
230
231 uic_load_language_file(path);
232 free(path);
233 }
234
235 void ui_load_lang_def(char *locale, char *default_locale) {
236 char tmp[6];
237 if(!locale) {
238 char *lang = getenv("LANG");
239 if(lang && strlen(lang) >= 5) {
240 memcpy(tmp, lang, 5);
241 tmp[5] = '\0';
242 locale = tmp;
243 } else {
244 locale = default_locale;
245 }
246 }
247
248 char *path = uic_concat_path(locales_dir, locale, ".properties");
249
250 if(uic_load_language_file(path)) {
251 if(default_locale) {
252 ui_load_lang_def(default_locale, NULL);
253 } else {
254 // cannot find any language file
255 fprintf(stderr, "Ui Error: Cannot load language.\n");
256 free(path);
257 exit(-1);
258 }
259 }
260 free(path);
261 }
262
263 #endif
264
265 int uic_load_language_file(const char *path) {
266 UcxMap *lang = ucx_map_new(256);
267
268 FILE *file = fopen(path, "r");
269 if(!file) {
270 return 1;
271 }
272
273 if(ucx_properties_load(lang, file)) {
274 fprintf(stderr, "Ui Error: Cannot parse language file: %s.\n", path);
275 }
276
277 fclose(file);
278
279 ucx_map_rehash(lang);
280
281 language = lang;
282
283 return 0;
284 }
285
286 char* uistr(char *name) {
287 char *value = uistr_n(name);
288 return value ? value : "missing string";
289 }
290
291 char* uistr_n(char *name) {
292 if(!language) {
293 return NULL;
294 }
295 return ucx_map_cstr_get(language, name);
296 }
297
298