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1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * |
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4 * Copyright 2017 Olaf Wintermann. All rights reserved. |
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5 * |
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6 * Redistribution and use in source and binary forms, with or without |
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7 * modification, are permitted provided that the following conditions are met: |
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8 * |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * |
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 * POSSIBILITY OF SUCH DAMAGE. |
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27 */ |
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28 |
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29 #include <stdio.h> |
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30 #include <stdlib.h> |
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31 #include <string.h> |
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32 #include <sys/stat.h> |
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33 #include <errno.h> |
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34 |
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35 #include "properties.h" |
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36 #include <cx/string.h> |
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37 #include <cx/buffer.h> |
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38 |
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39 #include "ucx_properties.h" |
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40 |
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41 static CxMap *application_properties; |
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42 static CxMap *language; |
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43 |
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44 #ifndef UI_COCOA |
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45 |
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46 static char *locales_dir; |
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47 static char *pixmaps_dir; |
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48 |
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49 #endif |
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50 |
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51 char* ui_getappdir() { |
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52 if(ui_appname() == NULL) { |
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53 return NULL; |
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54 } |
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55 |
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56 return ui_configfile(NULL); |
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57 } |
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58 |
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59 char* ui_configfile(char *name) { |
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60 char *appname = ui_appname(); |
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61 if(!appname) { |
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62 return NULL; |
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63 } |
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64 |
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65 CxBuffer buf; |
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66 cxBufferInit(&buf, NULL, 128, cxDefaultAllocator, CX_BUFFER_FREE_CONTENTS|CX_BUFFER_AUTO_EXTEND); |
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67 |
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68 // add base dir |
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69 char *homeenv = getenv("HOME"); |
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70 if(homeenv == NULL) { |
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71 cxBufferDestroy(&buf); |
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72 return NULL; |
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73 } |
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74 cxstring home = cx_str(homeenv); |
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75 |
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76 cxBufferWrite(home.ptr, 1, home.length, &buf); |
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77 if(home.ptr[home.length-1] != '/') { |
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78 cxBufferPut(&buf, '/'); |
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79 } |
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80 |
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81 #ifdef UI_COCOA |
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82 // on OS X the app dir is $HOME/Library/Application Support/$APPNAME/ |
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83 ucx_buffer_puts(buf, "Library/Application Support/"); |
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84 #else |
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85 // app dir is $HOME/.$APPNAME/ |
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86 cxBufferPut(&buf, '.'); |
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87 #endif |
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88 cxBufferPutString(&buf, appname); |
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89 cxBufferPut(&buf, '/'); |
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90 |
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91 // add file name |
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92 if(name) { |
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93 cxBufferPutString(&buf, name); |
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94 } |
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95 |
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96 cxBufferPut(&buf, 0); |
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97 |
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98 return buf.space; |
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99 } |
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100 |
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101 static int ui_mkdir(char *path) { |
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102 #ifdef _WIN32 |
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103 return mkdir(path); |
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104 #else |
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105 return mkdir(path, S_IRWXU); |
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106 #endif |
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107 } |
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108 |
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109 void uic_load_app_properties() { |
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110 application_properties = cxHashMapCreate(cxDefaultAllocator, CX_STORE_POINTERS, 128); |
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111 |
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112 if(!ui_appname()) { |
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113 // applications without name cannot load app properties |
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114 return; |
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115 } |
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116 |
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117 char *dir = ui_configfile(NULL); |
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118 if(!dir) { |
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119 return; |
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120 } |
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121 if(ui_mkdir(dir)) { |
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122 if(errno != EEXIST) { |
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123 fprintf(stderr, "Ui Error: Cannot create directory %s\n", dir); |
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124 free(dir); |
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125 return; |
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126 } |
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127 } |
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128 free(dir); |
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129 |
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130 char *path = ui_configfile("application.properties"); |
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131 if(!path) { |
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132 return; |
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133 } |
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134 |
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135 FILE *file = fopen(path, "r"); |
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136 if(!file) { |
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137 free(path); |
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138 return; |
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139 } |
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140 |
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141 if(ucx_properties_load(application_properties, file)) { |
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142 fprintf(stderr, "Ui Error: Cannot load application properties.\n"); |
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143 } |
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144 |
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145 fclose(file); |
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146 free(path); |
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147 } |
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148 |
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149 void uic_store_app_properties() { |
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150 char *path = ui_configfile("application.properties"); |
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151 if(!path) { |
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152 return; |
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153 } |
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154 |
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155 FILE *file = fopen(path, "w"); |
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156 if(!file) { |
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157 fprintf(stderr, "Ui Error: Cannot open properties file: %s\n", path); |
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158 free(path); |
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159 return; |
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160 } |
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161 |
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162 if(ucx_properties_store(application_properties, file)) { |
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163 fprintf(stderr, "Ui Error: Cannot store application properties.\n"); |
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164 } |
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165 |
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166 fclose(file); |
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167 free(path); |
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168 } |
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169 |
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170 |
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171 char* ui_get_property(char *name) { |
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172 return cxMapGet(application_properties, name); |
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173 } |
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174 |
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175 void ui_set_property(char *name, char *value) { |
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176 cxMapPut(application_properties, name, value); |
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177 } |
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178 |
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179 void ui_set_default_property(char *name, char *value) { |
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180 char *v = cxMapGet(application_properties, name); |
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181 if(!v) { |
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182 cxMapPut(application_properties, name, value); |
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183 } |
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184 } |
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185 |
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186 |
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187 |
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188 static char* uic_concat_path(const char *base, const char *p, const char *ext) { |
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189 size_t baselen = strlen(base); |
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190 |
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191 CxBuffer *buf = cxBufferCreate(NULL, 32, cxDefaultAllocator, CX_BUFFER_FREE_CONTENTS|CX_BUFFER_AUTO_EXTEND); |
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192 if(baselen > 0) { |
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193 cxBufferWrite(base, 1, baselen, buf); |
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194 if(base[baselen - 1] != '/') { |
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195 cxBufferPut(buf, '/'); |
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196 } |
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197 } |
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198 cxBufferWrite(p, 1, strlen(p), buf); |
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199 if(ext) { |
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200 cxBufferWrite(ext, 1, strlen(ext), buf); |
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201 } |
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202 |
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203 char *str = buf->space; |
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204 free(buf); |
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205 return str; |
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206 } |
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207 |
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208 #ifndef UI_COCOA |
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209 |
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210 void ui_locales_dir(char *path) { |
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211 locales_dir = path; |
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212 } |
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213 |
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214 void ui_pixmaps_dir(char *path) { |
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215 pixmaps_dir = path; |
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216 } |
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217 |
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218 char* uic_get_image_path(const char *imgfilename) { |
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219 if(pixmaps_dir) { |
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220 return uic_concat_path(pixmaps_dir, imgfilename, NULL); |
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221 } else { |
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222 return NULL; |
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223 } |
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224 } |
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225 |
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226 void ui_load_lang(char *locale) { |
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227 if(!locale) { |
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228 locale = "en_EN"; |
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229 } |
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230 |
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231 char *path = uic_concat_path(locales_dir, locale, ".properties"); |
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232 |
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233 uic_load_language_file(path); |
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234 free(path); |
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235 } |
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236 |
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237 void ui_load_lang_def(char *locale, char *default_locale) { |
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238 char tmp[6]; |
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239 if(!locale) { |
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240 char *lang = getenv("LANG"); |
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241 if(lang && strlen(lang) >= 5) { |
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242 memcpy(tmp, lang, 5); |
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243 tmp[5] = '\0'; |
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244 locale = tmp; |
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245 } else { |
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246 locale = default_locale; |
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247 } |
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248 } |
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249 |
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250 char *path = uic_concat_path(locales_dir, locale, ".properties"); |
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251 |
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252 if(uic_load_language_file(path)) { |
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253 if(default_locale) { |
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254 ui_load_lang_def(default_locale, NULL); |
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255 } else { |
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256 // cannot find any language file |
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257 fprintf(stderr, "Ui Error: Cannot load language.\n"); |
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258 free(path); |
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259 exit(-1); |
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260 } |
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261 } |
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262 free(path); |
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263 } |
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264 |
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265 #endif |
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266 |
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267 int uic_load_language_file(const char *path) { |
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268 CxMap *lang = cxHashMapCreate(cxDefaultAllocator, CX_STORE_POINTERS, 256); |
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269 |
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270 FILE *file = fopen(path, "r"); |
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271 if(!file) { |
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272 return 1; |
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273 } |
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274 |
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275 if(ucx_properties_load(lang, file)) { |
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276 fprintf(stderr, "Ui Error: Cannot parse language file: %s.\n", path); |
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277 } |
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278 |
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279 fclose(file); |
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280 |
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281 cxMapRehash(lang); |
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282 |
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283 language = lang; |
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284 |
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285 return 0; |
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286 } |
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287 |
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288 char* uistr(char *name) { |
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289 char *value = uistr_n(name); |
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290 return value ? value : "missing string"; |
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291 } |
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292 |
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293 char* uistr_n(char *name) { |
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294 if(!language) { |
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295 return NULL; |
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296 } |
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297 return cxMapGet(language, name); |
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298 } |
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299 |