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Diffstat (limited to 'src/UiGuiIniFileParser.cpp')
| -rw-r--r-- | src/UiGuiIniFileParser.cpp | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/UiGuiIniFileParser.cpp b/src/UiGuiIniFileParser.cpp new file mode 100644 index 0000000..bbfa39f --- /dev/null +++ b/src/UiGuiIniFileParser.cpp @@ -0,0 +1,151 @@ +/*************************************************************************** + * Copyright (C) 2006-2012 by Thomas Schweitzer * + * thomas-schweitzer(at)arcor.de * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License version 2.0 as * + * published by the Free Software Foundation. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program in the file LICENSE.GPL; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#include "UiGuiIniFileParser.h" + +#include <tqfile.h> +#include <tqstringlist.h> +#include <tqvariant.h> +#include <tqtextstream.h> + +/* + \class UiGuiIniFileParser + \brief UiGuiIniFileParser is a simple ini file format parser. + + These ini files need to have key-value pairs in the style + "key=value". Groups can be defined by writing the groupname + in the style [groupname] before some key-value pairs. + + The reason why I use my own class instead of TQSettings is mainly that + TQSettings always internally sorts the groups alphabetically and also + rewrites a settings file sorted. Very annoying for me. +*/ + +/* + \brief Init and empty all needed lists and strings. + */ +UiGuiIniFileParser::UiGuiIniFileParser(void) +{ + init(); +} + +/* + \brief Directly loads and parses the file with name \a iniFileName. + */ +UiGuiIniFileParser::UiGuiIniFileParser(const TQString &iniFileName) +{ + init(); + m_iniFileName = iniFileName; + parseIniFile(); +} + +void UiGuiIniFileParser::init() +{ + m_sections.clear(); + m_keyValueMap.clear(); + m_iniFileName = TQString::null; +} + +UiGuiIniFileParser::~UiGuiIniFileParser(void) +{ +} + +/* + \brief Returns the group/section names in the same order as they occurr in the ini file as TQStringList. + */ +TQStringList UiGuiIniFileParser::childGroups() +{ + return m_sections; +} + +/* + \brief Returns the value of the defined \a keyName as TQVariant. + + The \a keyName is assembled by a section name, a slash and the key name itself. + For example if you wish to access the value of the following setting: + <code>[NiceSection]</br>niceKeyName=2</code> you would have to call + value("NiceSection/niceKeyName"). + */ +TQVariant UiGuiIniFileParser::value(const TQString &keyName, const TQString &defaultValue) +{ + if (m_keyValueMap.contains(keyName)) + { + return m_keyValueMap[keyName]; + } + return TQVariant(defaultValue); +} + +/* + \brief Parses the ini file and stores the key value pairs in the internal vectors \a keys and \a values. + */ +void UiGuiIniFileParser::parseIniFile() +{ + TQFile iniFile(m_iniFileName); + + if (iniFile.open(IO_ReadOnly)) + { + // Clear the vectors holding the keys and values. + m_sections.clear(); + m_keyValueMap.clear(); + + TQTextStream iniFileStream(&iniFile); + TQString line; + TQString currentSectionName = TQString::null; + TQString keyName = TQString::null; + TQString valueAsString = TQString::null; + + while (!iniFileStream.atEnd()) + { + line = iniFileStream.readLine().stripWhiteSpace(); + + // Test if the read line is a section name and if so remeber it. + if (line.startsWith("[") && line.endsWith("]")) + { + // Store the section name. + currentSectionName = line.mid(1, line.length() - 2); + m_sections.push_back(currentSectionName); + } + // Otherwise test whether the line has a assign char + else if (line.contains("=")) + { + int indexOfFirstAssign = line.find("="); + keyName = line.left(indexOfFirstAssign); + + if (!keyName.isEmpty()) + { + valueAsString = line.remove(0, indexOfFirstAssign + 1); + // Remove any existing double quotes from the value. + if (valueAsString.startsWith("\"") && valueAsString.endsWith("\"")) + { + valueAsString = valueAsString.mid(1, valueAsString.length() - 2); + } + + // Prepend an eventually section name to the key name. + if (!currentSectionName.isEmpty()) + { + keyName = currentSectionName + "/" + keyName; + } + + // Store the key and value in the map. + m_keyValueMap.insert(keyName, valueAsString); + } + } + } + } +} |