ui/common/properties.c

Sun, 16 Jun 2024 11:36:27 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 16 Jun 2024 11:36:27 +0200
changeset 42
9af327d0e0e4
parent 29
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permissions
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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 const 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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parents:
diff changeset
299

mercurial