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1 #include "schemelist.h" |
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2 |
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3 #include "../util/inihelper.h" |
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4 #include "../util/logging.h" |
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5 #include "../util/util.h" |
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6 #include "../util/refcounter.h" |
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7 |
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8 #include <stdio.h> |
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9 #include <stdlib.h> |
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10 #include <limits.h> |
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11 #include <string.h> |
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12 |
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13 static void flib_schemelist_destroy(flib_schemelist *list) { |
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14 if(list) { |
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15 for(int i=0; i<list->schemeCount; i++) { |
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16 flib_cfg_release(list->schemes[i]); |
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17 } |
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18 free(list); |
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19 } |
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20 } |
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21 |
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22 static char *makePrefixedName(int schemeIndex, const char *settingName) { |
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23 return flib_asprintf("%i\\%s", schemeIndex, settingName); |
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24 } |
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25 |
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26 static int readSettingsFromIni(flib_ini *ini, flib_cfg *scheme, int index) { |
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27 flib_cfg_meta *meta = scheme->meta; |
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28 bool error = false; |
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29 for(int i=0; i<meta->settingCount && !error; i++) { |
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30 char *key = makePrefixedName(index, meta->settings[i].name); |
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31 if(!key) { |
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32 error = true; |
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33 } else if(flib_ini_get_int_opt(ini, &scheme->settings[i], key, meta->settings[i].def)) { |
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34 flib_log_e("Error reading setting %s in schemes file.", key); |
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35 error = true; |
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36 } |
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37 free(key); |
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38 } |
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39 return error; |
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40 } |
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41 |
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42 static int readModsFromIni(flib_ini *ini, flib_cfg *scheme, int index) { |
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43 flib_cfg_meta *meta = scheme->meta; |
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44 bool error = false; |
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45 for(int i=0; i<meta->modCount && !error; i++) { |
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46 char *key = makePrefixedName(index, meta->mods[i].name); |
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47 if(!key) { |
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48 error = true; |
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49 } else if(flib_ini_get_bool_opt(ini, &scheme->mods[i], key, false)) { |
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50 flib_log_e("Error reading mod %s in schemes file.", key); |
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51 error = true; |
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52 } |
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53 free(key); |
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54 } |
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55 return error; |
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56 } |
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57 |
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58 static flib_cfg *readSchemeFromIni(flib_cfg_meta *meta, flib_ini *ini, int index) { |
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59 flib_cfg *result = NULL; |
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60 char *schemeNameKey = makePrefixedName(index+1, "name"); |
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61 if(schemeNameKey) { |
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62 char *schemeName = NULL; |
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63 if(!flib_ini_get_str_opt(ini, &schemeName, schemeNameKey, "Unnamed")) { |
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64 flib_cfg *scheme = flib_cfg_create(meta, schemeName); |
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65 if(scheme) { |
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66 if(!readSettingsFromIni(ini, scheme, index) && !readModsFromIni(ini, scheme, index)) { |
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67 result = flib_cfg_retain(scheme); |
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68 } |
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69 } |
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70 flib_cfg_release(scheme); |
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71 } |
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72 free(schemeName); |
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73 } |
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74 free(schemeNameKey); |
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75 return result; |
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76 } |
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77 |
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78 static flib_schemelist *fromIniHandleError(flib_schemelist *result, flib_ini *ini) { |
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79 flib_ini_destroy(ini); |
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80 flib_schemelist_destroy(result); |
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81 return NULL; |
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82 } |
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83 |
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84 flib_schemelist *flib_schemelist_from_ini(flib_cfg_meta *meta, const char *filename) { |
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85 flib_schemelist *list = NULL; |
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86 if(!meta || !filename) { |
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87 flib_log_e("null parameter in flib_schemelist_from_ini"); |
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88 return NULL; |
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89 } |
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90 flib_ini *ini = flib_ini_load(filename); |
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91 if(!ini || flib_ini_enter_section(ini, "schemes")) { |
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92 flib_log_e("Missing file or missing section \"schemes\" in file %s.", filename); |
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93 return fromIniHandleError(list, ini); |
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94 } |
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95 |
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96 list = flib_schemelist_create(); |
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97 if(!list) { |
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98 return fromIniHandleError(list, ini); |
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99 } |
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100 |
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101 int schemeCount = 0; |
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102 if(flib_ini_get_int(ini, &schemeCount, "size")) { |
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103 flib_log_e("Missing or malformed scheme count in config file %s.", filename); |
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104 return fromIniHandleError(list, ini); |
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105 } |
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106 |
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107 for(int i=0; i<schemeCount; i++) { |
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108 flib_cfg *scheme = readSchemeFromIni(meta, ini, i); |
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109 if(!scheme || flib_schemelist_insert(list, scheme, i)) { |
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110 flib_cfg_release(scheme); |
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111 flib_log_e("Error reading scheme %i from config file %s.", i, filename); |
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112 return fromIniHandleError(list, ini); |
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113 } |
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114 flib_cfg_release(scheme); |
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115 } |
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116 |
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117 |
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118 flib_ini_destroy(ini); |
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119 return list; |
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120 } |
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121 |
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122 static int writeSchemeToIni(flib_cfg *scheme, flib_ini *ini, int index) { |
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123 flib_cfg_meta *meta = scheme->meta; |
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124 bool error = false; |
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125 |
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126 char *key = makePrefixedName(index+1, "name"); |
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127 error |= !key || flib_ini_set_str(ini, key, scheme->schemeName); |
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128 free(key); |
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129 |
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130 for(int i=0; i<meta->modCount && !error; i++) { |
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131 char *key = makePrefixedName(index+1, meta->mods[i].name); |
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132 error |= !key || flib_ini_set_bool(ini, key, scheme->mods[i]); |
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133 free(key); |
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134 } |
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135 |
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136 for(int i=0; i<meta->settingCount && !error; i++) { |
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137 char *key = makePrefixedName(index+1, meta->settings[i].name); |
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138 error |= !key || flib_ini_set_int(ini, key, scheme->settings[i]); |
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139 free(key); |
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140 } |
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141 return error; |
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142 } |
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143 |
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144 int flib_schemelist_to_ini(const char *filename, const flib_schemelist *schemes) { |
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145 int result = -1; |
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146 if(!filename || !schemes) { |
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147 flib_log_e("null parameter in flib_schemelist_to_ini"); |
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148 } else { |
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149 flib_ini *ini = flib_ini_create(NULL); |
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150 if(ini && !flib_ini_create_section(ini, "schemes")) { |
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151 bool error = false; |
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152 error |= flib_ini_set_int(ini, "size", schemes->schemeCount); |
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153 for(int i=0; i<schemes->schemeCount && !error; i++) { |
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154 error |= writeSchemeToIni(schemes->schemes[i], ini, i); |
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155 } |
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156 |
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157 if(!error) { |
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158 result = flib_ini_save(ini, filename); |
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159 } |
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160 } |
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161 flib_ini_destroy(ini); |
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162 } |
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163 return result; |
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164 } |
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165 |
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166 flib_schemelist *flib_schemelist_create() { |
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167 return flib_schemelist_retain(flib_calloc(1, sizeof(flib_schemelist))); |
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168 } |
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169 |
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170 flib_schemelist *flib_schemelist_retain(flib_schemelist *list) { |
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171 if(list) { |
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172 flib_retain(&list->_referenceCount, "flib_schemelist"); |
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173 } |
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174 return list; |
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175 } |
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176 |
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177 void flib_schemelist_release(flib_schemelist *list) { |
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178 if(list && flib_release(&list->_referenceCount, "flib_schemelist")) { |
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179 flib_schemelist_destroy(list); |
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180 } |
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181 } |
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182 |
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183 flib_cfg *flib_schemelist_find(flib_schemelist *list, const char *name) { |
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184 if(list && name) { |
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185 for(int i=0; i<list->schemeCount; i++) { |
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186 if(!strcmp(name, list->schemes[i]->schemeName)) { |
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187 return list->schemes[i]; |
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188 } |
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189 } |
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190 } |
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191 return NULL; |
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192 } |
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193 |
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194 int flib_schemelist_insert(flib_schemelist *list, flib_cfg *cfg, int pos) { |
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195 int result = -1; |
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196 if(!list || !cfg || pos < 0 || pos > list->schemeCount) { |
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197 flib_log_e("Invalid parameter in flib_schemelist_insert"); |
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198 } else { |
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199 flib_cfg **newSchemes = flib_realloc(list->schemes, (list->schemeCount+1)*sizeof(*list->schemes)); |
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200 if(newSchemes) { |
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201 list->schemes = newSchemes; |
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202 memmove(list->schemes+pos+1, list->schemes+pos, (list->schemeCount-pos)*sizeof(*list->schemes)); |
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203 list->schemes[pos] = flib_cfg_retain(cfg); |
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204 list->schemeCount++; |
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205 result = 0; |
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206 } |
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207 } |
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208 return result; |
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209 } |
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210 |
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211 int flib_schemelist_delete(flib_schemelist *list, int pos) { |
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212 int result = -1; |
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213 if(!list || pos < 0 || pos >= list->schemeCount) { |
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214 flib_log_e("Invalid parameter in flib_schemelist_delete"); |
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215 } else { |
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216 flib_cfg_release(list->schemes[pos]); |
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217 memmove(list->schemes+pos, list->schemes+pos+1, (list->schemeCount-(pos+1))*sizeof(*list->schemes)); |
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218 list->schemes[list->schemeCount-1] = NULL; |
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219 list->schemeCount--; |
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220 |
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221 // If the realloc fails, just keep using the old buffer... |
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222 flib_cfg **newSchemes = flib_realloc(list->schemes, list->schemeCount*sizeof(*list->schemes)); |
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223 if(newSchemes || list->schemeCount==1) { |
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224 list->schemes = newSchemes; |
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225 } |
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226 result = 0; |
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227 } |
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228 return result; |
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229 } |