ui/common/properties.c

Wed, 27 Nov 2024 17:14:57 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 27 Nov 2024 17:14:57 +0100
changeset 94
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parent 79
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permissions
-rw-r--r--

move app settings to separate source file

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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 "../ui/toolkit.h"
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36
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37
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38 #include "properties.h"
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39 #include <cx/string.h>
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40 #include <cx/buffer.h>
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41
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42 #include <cx/hash_map.h>
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43 #include "ucx_properties.h"
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44
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45 static CxMap *application_properties;
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46 static CxMap *language;
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47
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48 #ifndef UI_COCOA
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49
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50 static char *locales_dir;
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51 static char *pixmaps_dir;
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52
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53 #endif
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54
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55
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56 char* ui_getappdir(void) {
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57 if(ui_appname() == NULL) {
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58 return NULL;
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59 }
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60
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61 return ui_configfile(NULL);
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62 }
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63
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64 #ifndef _WIN32
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65 #define UI_PATH_SEPARATOR '/'
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66 #define UI_ENV_HOME "HOME"
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67 #else
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68 #define UI_PATH_SEPARATOR '\\'
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69 #define UI_ENV_HOME "USERPROFILE"
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70 #endif
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71
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72 char* ui_configfile(char *name) {
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73 const char *appname = ui_appname();
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74 if(!appname) {
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75 return NULL;
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76 }
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77
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78 CxBuffer buf;
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79 cxBufferInit(&buf, NULL, 128, cxDefaultAllocator, CX_BUFFER_FREE_CONTENTS|CX_BUFFER_AUTO_EXTEND);
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80
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81 // add base dir
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82 char *homeenv = getenv(UI_ENV_HOME);
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83 if(homeenv == NULL) {
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84 cxBufferDestroy(&buf);
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85 return NULL;
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86 }
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87 cxstring home = cx_str(homeenv);
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88
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89 cxBufferWrite(home.ptr, 1, home.length, &buf);
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90 if(home.ptr[home.length-1] != UI_PATH_SEPARATOR) {
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91 cxBufferPut(&buf, UI_PATH_SEPARATOR);
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92 }
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93
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94 #ifdef UI_COCOA
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95 // on OS X the app dir is $HOME/Library/Application Support/$APPNAME/
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96 cxBufferPutString(&buf, "Library/Application Support/");
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97 #elif defined(_WIN32)
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98 // on Windows the app dir is $USERPROFILE/AppData/Local/$APPNAME/
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99 cxBufferPutString(&buf, "AppData\\Local\\");
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100 #else
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101 // app dir is $HOME/.$APPNAME/
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102 cxBufferPut(&buf, '.');
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103 #endif
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104 cxBufferPutString(&buf, appname);
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105 cxBufferPut(&buf, UI_PATH_SEPARATOR);
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106
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107 // add file name
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108 if(name) {
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109 cxBufferPutString(&buf, name);
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110 }
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111
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112 cxBufferPut(&buf, 0);
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113
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114 return buf.space;
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115 }
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116
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117 static int ui_mkdir(char *path) {
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118 #ifdef _WIN32
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119 return mkdir(path);
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120 #else
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121 return mkdir(path, S_IRWXU);
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122 #endif
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123 }
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124
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125 void uic_load_app_properties() {
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126 application_properties = cxHashMapCreate(cxDefaultAllocator, CX_STORE_POINTERS, 128);
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127
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128 if(!ui_appname()) {
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129 // applications without name cannot load app properties
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130 return;
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131 }
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132
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133 char *dir = ui_configfile(NULL);
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134 if(!dir) {
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135 return;
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136 }
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137 if(ui_mkdir(dir)) {
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138 if(errno != EEXIST) {
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139 fprintf(stderr, "Ui Error: Cannot create directory %s\n", dir);
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140 free(dir);
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141 return;
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142 }
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143 }
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144 free(dir);
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145
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146 char *path = ui_configfile("application.properties");
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147 if(!path) {
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148 return;
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149 }
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150
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151 FILE *file = fopen(path, "r");
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152 if(!file) {
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153 free(path);
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154 return;
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155 }
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156
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157 if(ucx_properties_load(application_properties, file)) {
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158 fprintf(stderr, "Ui Error: Cannot load application properties.\n");
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159 }
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160
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161 fclose(file);
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162 free(path);
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163 }
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164
94
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165 int uic_store_app_properties() {
0
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166 char *path = ui_configfile("application.properties");
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167 if(!path) {
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168 return 1;
0
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169 }
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170
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171 FILE *file = fopen(path, "w");
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172 if(!file) {
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173 fprintf(stderr, "Ui Error: Cannot open properties file: %s\n", path);
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174 free(path);
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175 return 1;
0
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176 }
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177
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178 int ret = 0;
0
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179 if(ucx_properties_store(application_properties, file)) {
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180 fprintf(stderr, "Ui Error: Cannot store application properties.\n");
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181 ret = 1;
0
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182 }
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183
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184 fclose(file);
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185 free(path);
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186
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187 return ret;
0
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188 }
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189
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190
94
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191 const char* ui_get_property(const char *name) {
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192 return cxMapGet(application_properties, name);
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193 }
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194
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195 void ui_set_property(const char *name, const char *value) {
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196 cxMapPut(application_properties, name, (char*)value);
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197 }
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198
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199 const char* ui_set_default_property(const char *name, const char *value) {
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200 const char *v = cxMapGet(application_properties, name);
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201 if(!v) {
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202 cxMapPut(application_properties, name, (char*)value);
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203 v = value;
0
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204 }
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205 return v;
0
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206 }
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207
94
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208 int ui_properties_store(void) {
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209 return uic_store_app_properties();
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210 }
0
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211
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212
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213 static char* uic_concat_path(const char *base, const char *p, const char *ext) {
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214 size_t baselen = strlen(base);
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215
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216 CxBuffer *buf = cxBufferCreate(NULL, 32, cxDefaultAllocator, CX_BUFFER_FREE_CONTENTS|CX_BUFFER_AUTO_EXTEND);
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217 if(baselen > 0) {
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218 cxBufferWrite(base, 1, baselen, buf);
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219 if(base[baselen - 1] != '/') {
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220 cxBufferPut(buf, '/');
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221 }
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222 }
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223 cxBufferWrite(p, 1, strlen(p), buf);
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224 if(ext) {
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225 cxBufferWrite(ext, 1, strlen(ext), buf);
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226 }
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227
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228 char *str = buf->space;
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229 free(buf);
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230 return str;
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231 }
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232
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233 #ifndef UI_COCOA
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234
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235 void ui_locales_dir(char *path) {
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236 locales_dir = path;
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237 }
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238
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239 void ui_pixmaps_dir(char *path) {
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240 pixmaps_dir = path;
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241 }
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242
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243 char* uic_get_image_path(const char *imgfilename) {
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244 if(pixmaps_dir) {
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245 return uic_concat_path(pixmaps_dir, imgfilename, NULL);
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246 } else {
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247 return NULL;
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248 }
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249 }
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250
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251 void ui_load_lang(char *locale) {
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252 if(!locale) {
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253 locale = "en_EN";
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254 }
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255
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256 char *path = uic_concat_path(locales_dir, locale, ".properties");
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257
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258 uic_load_language_file(path);
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259 free(path);
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260 }
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261
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262 void ui_load_lang_def(char *locale, char *default_locale) {
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263 char tmp[6];
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264 if(!locale) {
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265 char *lang = getenv("LANG");
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266 if(lang && strlen(lang) >= 5) {
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267 memcpy(tmp, lang, 5);
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268 tmp[5] = '\0';
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269 locale = tmp;
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270 } else {
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271 locale = default_locale;
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272 }
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273 }
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274
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275 char *path = uic_concat_path(locales_dir, locale, ".properties");
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276
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277 if(uic_load_language_file(path)) {
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278 if(default_locale) {
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279 ui_load_lang_def(default_locale, NULL);
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280 } else {
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diff changeset
281 // cannot find any language file
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282 fprintf(stderr, "Ui Error: Cannot load language.\n");
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283 free(path);
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284 exit(-1);
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285 }
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286 }
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287 free(path);
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288 }
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289
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290 #endif
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291
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292 int uic_load_language_file(const char *path) {
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293 CxMap *lang = cxHashMapCreate(cxDefaultAllocator, CX_STORE_POINTERS, 256);
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294
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295 FILE *file = fopen(path, "r");
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296 if(!file) {
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297 return 1;
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298 }
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299
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300 if(ucx_properties_load(lang, file)) {
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301 fprintf(stderr, "Ui Error: Cannot parse language file: %s.\n", path);
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302 }
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303
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304 fclose(file);
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305
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306 cxMapRehash(lang);
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307
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308 language = lang;
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309
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310 return 0;
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311 }
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312
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313 char* uistr(char *name) {
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314 char *value = uistr_n(name);
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315 return value ? value : "missing string";
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316 }
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317
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318 char* uistr_n(char *name) {
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319 if(!language) {
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diff changeset
320 return NULL;
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parents:
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321 }
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322 return cxMapGet(language, name);
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
323 }

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