1 /* 2 Open Tracker License 3 4 Terms and Conditions 5 6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved. 7 8 Permission is hereby granted, free of charge, to any person obtaining a copy of 9 this software and associated documentation files (the "Software"), to deal in 10 the Software without restriction, including without limitation the rights to 11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 12 of the Software, and to permit persons to whom the Software is furnished to do 13 so, subject to the following conditions: 14 15 The above copyright notice and this permission notice applies to all licensees 16 and shall be included in all copies or substantial portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY, 20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION 23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 25 Except as contained in this notice, the name of Be Incorporated shall not be 26 used in advertising or otherwise to promote the sale, use or other dealings in 27 this Software without prior written authorization from Be Incorporated. 28 29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks 30 of Be Incorporated in the United States and other countries. Other brand product 31 names are registered trademarks or trademarks of their respective holders. 32 All rights reserved. 33 */ 34 35 // generic setting handler classes 36 37 38 #include <Debug.h> 39 40 #include <string.h> 41 #include <stdlib.h> 42 #include <stdio.h> 43 44 #include "TrackerSettings.h" 45 46 47 Settings* settings = NULL; 48 49 50 // #pragma mark - StringValueSetting 51 52 53 StringValueSetting::StringValueSetting(const char* name, 54 const char* defaultValue, const char* valueExpectedErrorString, 55 const char* wrongValueErrorString) 56 : 57 SettingsArgvDispatcher(name), 58 fDefaultValue(defaultValue), 59 fValueExpectedErrorString(valueExpectedErrorString), 60 fWrongValueErrorString(wrongValueErrorString), 61 fValue(defaultValue) 62 { 63 } 64 65 66 StringValueSetting::~StringValueSetting() 67 { 68 } 69 70 71 void 72 StringValueSetting::ValueChanged(const char* newValue) 73 { 74 fValue = newValue; 75 } 76 77 78 const char* 79 StringValueSetting::Value() const 80 { 81 return fValue.String(); 82 } 83 84 85 void 86 StringValueSetting::SaveSettingValue(Settings* settings) 87 { 88 settings->Write("\"%s\"", fValue.String()); 89 } 90 91 92 bool 93 StringValueSetting::NeedsSaving() const 94 { 95 // needs saving if different than default 96 return fValue != fDefaultValue; 97 } 98 99 100 const char* 101 StringValueSetting::Handle(const char* const* argv) 102 { 103 if (!*++argv) 104 return fValueExpectedErrorString; 105 106 ValueChanged(*argv); 107 return 0; 108 } 109 110 111 // #pragma mark - EnumeratedStringValueSetting 112 113 114 EnumeratedStringValueSetting::EnumeratedStringValueSetting(const char* name, 115 const char* defaultValue, const char* const* values, 116 const char* valueExpectedErrorString, const char* wrongValueErrorString) 117 : 118 StringValueSetting(name, defaultValue, valueExpectedErrorString, 119 wrongValueErrorString), 120 fValues(values) 121 { 122 } 123 124 125 void 126 EnumeratedStringValueSetting::ValueChanged(const char* newValue) 127 { 128 #if DEBUG 129 // must be one of the enumerated values 130 bool found = false; 131 for (int32 index = 0; ; index++) { 132 if (fValues[index] == NULL) 133 break; 134 135 if (strcmp(fValues[index], newValue) != 0) 136 continue; 137 138 found = true; 139 break; 140 } 141 ASSERT(found); 142 #endif 143 StringValueSetting::ValueChanged(newValue); 144 } 145 146 147 const char* 148 EnumeratedStringValueSetting::Handle(const char* const* argv) 149 { 150 if (!*++argv) 151 return fValueExpectedErrorString; 152 153 bool found = false; 154 for (int32 index = 0; ; index++) { 155 if (fValues[index] == NULL) 156 break; 157 158 if (strcmp(fValues[index], *argv) != 0) 159 continue; 160 161 found = true; 162 break; 163 } 164 165 if (!found) 166 return fWrongValueErrorString; 167 168 ValueChanged(*argv); 169 return 0; 170 } 171 172 173 // #pragma mark - ScalarValueSetting 174 175 176 ScalarValueSetting::ScalarValueSetting(const char* name, int32 defaultValue, 177 const char* valueExpectedErrorString, const char* wrongValueErrorString, 178 int32 min, int32 max) 179 : 180 SettingsArgvDispatcher(name), 181 fDefaultValue(defaultValue), 182 fValue(defaultValue), 183 fMax(max), 184 fMin(min), 185 fValueExpectedErrorString(valueExpectedErrorString), 186 fWrongValueErrorString(wrongValueErrorString) 187 { 188 } 189 190 191 void 192 ScalarValueSetting::ValueChanged(int32 newValue) 193 { 194 ASSERT(newValue > fMin); 195 ASSERT(newValue < fMax); 196 fValue = newValue; 197 } 198 199 200 int32 201 ScalarValueSetting::Value() const 202 { 203 return fValue; 204 } 205 206 207 void 208 ScalarValueSetting::GetValueAsString(char* buffer) const 209 { 210 sprintf(buffer, "%" B_PRId32, fValue); 211 } 212 213 214 const char* 215 ScalarValueSetting::Handle(const char* const* argv) 216 { 217 if (!*++argv) 218 return fValueExpectedErrorString; 219 220 int32 newValue; 221 if ((*argv)[0] == '0' && (*argv)[1] == 'x') 222 sscanf(*argv, "%" B_PRIx32, &newValue); 223 else 224 newValue = atoi(*argv); 225 226 if (newValue < fMin || newValue > fMax) 227 return fWrongValueErrorString; 228 229 fValue = newValue; 230 return NULL; 231 } 232 233 234 void 235 ScalarValueSetting::SaveSettingValue(Settings* settings) 236 { 237 settings->Write("%" B_PRId32, fValue); 238 } 239 240 241 bool 242 ScalarValueSetting::NeedsSaving() const 243 { 244 return fValue != fDefaultValue; 245 } 246 247 248 // #pragma mark - HexScalarValueSetting 249 250 251 HexScalarValueSetting::HexScalarValueSetting(const char* name, 252 int32 defaultValue, const char* valueExpectedErrorString, 253 const char* wrongValueErrorString, int32 min, int32 max) 254 : 255 ScalarValueSetting(name, defaultValue, valueExpectedErrorString, 256 wrongValueErrorString, min, max) 257 { 258 } 259 260 261 void 262 HexScalarValueSetting::GetValueAsString(char* buffer) const 263 { 264 sprintf(buffer, "0x%08" B_PRIx32, fValue); 265 } 266 267 268 void 269 HexScalarValueSetting::SaveSettingValue(Settings* settings) 270 { 271 settings->Write("0x%08" B_PRIx32, fValue); 272 } 273 274 275 // #pragma mark - BooleanValueSetting 276 277 278 BooleanValueSetting::BooleanValueSetting(const char* name, bool defaultValue) 279 : ScalarValueSetting(name, defaultValue, 0, 0) 280 { 281 } 282 283 284 bool 285 BooleanValueSetting::Value() const 286 { 287 return fValue != 0; 288 } 289 290 291 void 292 BooleanValueSetting::SetValue(bool value) 293 { 294 fValue = value; 295 } 296 297 298 const char* 299 BooleanValueSetting::Handle(const char* const* argv) 300 { 301 if (!*++argv) 302 return "on or off expected"; 303 304 if (strcmp(*argv, "on") == 0) 305 fValue = true; 306 else if (strcmp(*argv, "off") == 0) 307 fValue = false; 308 else 309 return "on or off expected"; 310 311 return 0; 312 } 313 314 315 void 316 BooleanValueSetting::SaveSettingValue(Settings* settings) 317 { 318 settings->Write(fValue ? "on" : "off"); 319 } 320