comparison: src/config.cpp
src/config.cpp
- changeset 471
- fc58b67d445c
- parent 469
- f2faed654633
- child 493
- 16766ac1bbd9
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| 470:e41b6e1e3299 | 471:fc58b67d445c |
|---|---|
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 * GNU General Public License for more details. | 13 * GNU General Public License for more details. |
| 14 * | 14 * |
| 15 * You should have received a copy of the GNU General Public License | 15 * You should have received a copy of the GNU General Public License |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 * ===================================================================== | |
| 18 * | |
| 19 * config.cpp: Configuration management. I don't like how unsafe QSettings | |
| 20 * is so this implements a type-safer and idenitifer-safer wrapping system of | |
| 21 * configuration variables. QSettings is used underlyingly, this is a matter | |
| 22 * of interface. | |
| 17 */ | 23 */ |
| 18 | 24 |
| 19 #include <errno.h> | 25 #include <errno.h> |
| 20 #include <QDir> | 26 #include <QDir> |
| 21 #include <QTextStream> | 27 #include <QTextStream> |
| 28 | 34 |
| 29 Config* g_configPointers[MAX_CONFIG]; | 35 Config* g_configPointers[MAX_CONFIG]; |
| 30 static ushort g_cfgPointerCursor = 0; | 36 static ushort g_cfgPointerCursor = 0; |
| 31 | 37 |
| 32 // ============================================================================= | 38 // ============================================================================= |
| 39 // Get the QSettings object. A portable build refers to a file in the current | |
| 40 // directory, a non-portable build to ~/.config/LDForge or to registry. | |
| 33 // ----------------------------------------------------------------------------- | 41 // ----------------------------------------------------------------------------- |
| 34 static QSettings* getSettingsObject() { | 42 static QSettings* getSettingsObject() { |
| 35 #ifdef PORTABLE | 43 #ifdef PORTABLE |
| 36 # ifdef _WIN32 | 44 # ifdef _WIN32 |
| 37 # define EXTENSION ".ini" | 45 # define EXTENSION ".ini" |
| 46 | 54 |
| 47 Config::Config (const char* name, const char* defstring) : | 55 Config::Config (const char* name, const char* defstring) : |
| 48 name (name), m_defstring (defstring) {} | 56 name (name), m_defstring (defstring) {} |
| 49 | 57 |
| 50 // ============================================================================= | 58 // ============================================================================= |
| 59 // Load the configuration from file | |
| 51 // ----------------------------------------------------------------------------- | 60 // ----------------------------------------------------------------------------- |
| 52 // Load the configuration from file | |
| 53 bool Config::load() { | 61 bool Config::load() { |
| 54 QSettings* settings = getSettingsObject(); | 62 QSettings* settings = getSettingsObject(); |
| 55 print ("config::load: Loading configuration file from %1...\n", settings->fileName()); | 63 print ("config::load: Loading configuration file from %1\n", settings->fileName()); |
| 56 | 64 |
| 57 for (Config* cfg : g_configPointers) { | 65 for (Config* cfg : g_configPointers) { |
| 58 if (!cfg) | 66 if (!cfg) |
| 59 break; | 67 break; |
| 60 | 68 |
| 65 settings->deleteLater(); | 73 settings->deleteLater(); |
| 66 return true; | 74 return true; |
| 67 } | 75 } |
| 68 | 76 |
| 69 // ============================================================================= | 77 // ============================================================================= |
| 78 // Save the configuration to disk | |
| 70 // ----------------------------------------------------------------------------- | 79 // ----------------------------------------------------------------------------- |
| 71 // Save the configuration to disk | |
| 72 bool Config::save() { | 80 bool Config::save() { |
| 73 QSettings* settings = getSettingsObject(); | 81 QSettings* settings = getSettingsObject(); |
| 74 print ("Saving configuration to %1...\n", settings->fileName()); | 82 print ("Saving configuration to %1...\n", settings->fileName()); |
| 75 | 83 |
| 76 for (Config* cfg : g_configPointers) { | 84 for (Config* cfg : g_configPointers) { |
| 87 settings->deleteLater(); | 95 settings->deleteLater(); |
| 88 return true; | 96 return true; |
| 89 } | 97 } |
| 90 | 98 |
| 91 // ============================================================================= | 99 // ============================================================================= |
| 100 // Reset configuration defaults. | |
| 92 // ----------------------------------------------------------------------------- | 101 // ----------------------------------------------------------------------------- |
| 93 void Config::reset() { | 102 void Config::reset() { |
| 94 for (Config* cfg : g_configPointers) { | 103 for (Config* cfg : g_configPointers) { |
| 95 if (!cfg) | 104 if (!cfg) |
| 96 break; | 105 break; |
| 98 cfg->resetValue(); | 107 cfg->resetValue(); |
| 99 } | 108 } |
| 100 } | 109 } |
| 101 | 110 |
| 102 // ============================================================================= | 111 // ============================================================================= |
| 112 // Where is the configuration file located at? Note that the Windows build uses | |
| 113 // the registry so only use this with PORTABLE code. | |
| 103 // ----------------------------------------------------------------------------- | 114 // ----------------------------------------------------------------------------- |
| 104 str Config::filepath (str file) { | 115 str Config::filepath (str file) { |
| 105 return Config::dirpath() + DIRSLASH + file; | 116 return Config::dirpath() + DIRSLASH + file; |
| 106 } | 117 } |
| 107 | 118 |
| 108 // ============================================================================= | 119 // ============================================================================= |
| 120 // Directory of the configuration file. PORTABLE code here as well. | |
| 109 // ----------------------------------------------------------------------------- | 121 // ----------------------------------------------------------------------------- |
| 110 str Config::dirpath() { | 122 str Config::dirpath() { |
| 111 QSettings* cfg = getSettingsObject(); | 123 QSettings* cfg = getSettingsObject(); |
| 112 return dirname (cfg->fileName()); | 124 return dirname (cfg->fileName()); |
| 113 } | |
| 114 | |
| 115 // ============================================================================= | |
| 116 // ----------------------------------------------------------------------------- | |
| 117 str Config::defaultString() const { | |
| 118 str defstring = m_defstring; | |
| 119 | |
| 120 // String types inevitably get extra quotes in their default string due to | |
| 121 // preprocessing stuff. We can only remove them now... | |
| 122 if (getType() == String) { | |
| 123 defstring.remove (0, 1); | |
| 124 defstring.chop (1); | |
| 125 } | |
| 126 | |
| 127 return defstring; | |
| 128 } | 125 } |
| 129 | 126 |
| 130 // ============================================================================= | 127 // ============================================================================= |
| 131 // We cannot just add config objects to a list or vector because that would rely | 128 // We cannot just add config objects to a list or vector because that would rely |
| 132 // on the vector's c-tor being called before the configs' c-tors. With global | 129 // on the vector's c-tor being called before the configs' c-tors. With global |
