You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
294 lines
10 KiB
294 lines
10 KiB
/*
|
|
This file is part of the KDE libraries
|
|
Copyright (c) 1999 Preston Brown <pbrown@kde.org>
|
|
Portions copyright (c) 1997 Matthias Kalle Dalheimer <kalle@kde.org>
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
This library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef _KCONFIGBACKEND_H
|
|
#define _KCONFIGBACKEND_H
|
|
|
|
#include "kconfigdata.h"
|
|
#include <kconfigbase.h>
|
|
#include <klockfile.h>
|
|
#include "kdelibs_export.h"
|
|
|
|
class QFile;
|
|
class KConfigBackEndPrivate;
|
|
|
|
/**
|
|
* Abstract base class for KDE configuration file loading/saving.
|
|
*
|
|
* This class forms the base for all classes that implement some
|
|
* manner of loading/saving to configuration files. It is an
|
|
* abstract base class, meaning that you cannot directly instantiate
|
|
* objects of this class. As of right now, the only back end available
|
|
* is one to read/write to INI-style files, but in the future, other
|
|
* formats may be available, such as XML or a database.
|
|
*
|
|
* @author Preston Brown <pbrown@kde.org>,
|
|
* Matthias Kalle Dalheimer <kalle@kde.org>
|
|
* @short KDE Configuration file loading/saving abstract base class
|
|
*/
|
|
class KDECORE_EXPORT KConfigBackEnd
|
|
{
|
|
friend class KConfig;
|
|
friend class KSharedConfig;
|
|
public:
|
|
/**
|
|
* Constructs a configuration back end.
|
|
*
|
|
* @param _config Specifies the configuration object which values
|
|
* will be passed to as they are read, or from where values
|
|
* to be written to will be obtained from.
|
|
* @param _fileName The name of the file in which config
|
|
* data is stored. All registered configuration directories
|
|
* will be looked in in order of decreasing relevance.
|
|
* @param _resType the resource type of the fileName specified, _if_
|
|
* it is not an absolute path (otherwise this parameter is ignored).
|
|
* @param _useKDEGlobals If true, the user's system-wide kdeglobals file
|
|
* will be imported into the config object. If false, only
|
|
* the filename specified will be dealt with.
|
|
*/
|
|
KConfigBackEnd(KConfigBase *_config, const QString &_fileName,
|
|
const char * _resType, bool _useKDEGlobals);
|
|
|
|
/**
|
|
* Destructs the configuration backend.
|
|
*/
|
|
virtual ~KConfigBackEnd();
|
|
|
|
/**
|
|
* Parses all configuration files for a configuration object. This
|
|
* method must be reimplemented by the derived classes.
|
|
*
|
|
* @returns Whether or not parsing was successful.
|
|
*/
|
|
virtual bool parseConfigFiles() = 0;
|
|
|
|
/**
|
|
* Writes configuration data to file(s). This method must be
|
|
* reimplemented by the derived classes.
|
|
*
|
|
* @param bMerge Specifies whether the old config file already
|
|
* on disk should be merged in with the data in memory. If true,
|
|
* data is read off the disk and merged. If false, the on-disk
|
|
* file is removed and only in-memory data is written out.
|
|
*/
|
|
virtual void sync(bool bMerge = true) = 0;
|
|
|
|
/**
|
|
* Changes the filenames associated with this back end. You should
|
|
* probably reparse your config info after doing this.
|
|
*
|
|
* @param _fileName the new filename to use
|
|
* @param _resType the resource type of the fileName specified, _if_
|
|
* it is not an absolute path (otherwise this parameter is ignored).
|
|
* @param _useKDEGlobals specifies whether or not to also parse the
|
|
* global KDE configuration files.
|
|
*/
|
|
void changeFileName(const QString &_fileName, const char * _resType,
|
|
bool _useKDEGlobals);
|
|
|
|
/**
|
|
* Returns the state of the app-config object.
|
|
*
|
|
* @see KConfig::getConfigState
|
|
*/
|
|
virtual KConfigBase::ConfigState getConfigState() const
|
|
{ return mConfigState; }
|
|
|
|
/**
|
|
* Returns the filename as passed to the constructor.
|
|
* @return the filename as passed to the constructor.
|
|
*/
|
|
QString fileName() const { return mfileName; }
|
|
|
|
/**
|
|
* Returns the resource type as passed to the constructor.
|
|
* @return the resource type as passed to the constructor.
|
|
*/
|
|
const char * resource() const { return resType; }
|
|
|
|
/**
|
|
* Set the locale string that defines the current language.
|
|
* @param _localeString the identifier of the language
|
|
* @see KLocale
|
|
*/
|
|
void setLocaleString(const QCString &_localeString) { localeString = _localeString; }
|
|
|
|
/**
|
|
* Set the file mode for newly created files.
|
|
* @param mode the filemode (as in chmod)
|
|
*/
|
|
void setFileWriteMode(int mode);
|
|
|
|
/**
|
|
* Check whether the config files are writable.
|
|
* @param warnUser Warn the user if the configuration files are not writable.
|
|
* @return Indicates that all of the configuration files used are writable.
|
|
* @since 3.2
|
|
*/
|
|
bool checkConfigFilesWritable(bool warnUser);
|
|
|
|
/**
|
|
* Returns a lock file object for the configuration file
|
|
* @param bGlobal If true, returns a lock file object for kdeglobals
|
|
* @since 3.3
|
|
*/
|
|
KLockFile::Ptr lockFile( bool bGlobal = false );
|
|
|
|
#ifdef KDE_NO_COMPAT
|
|
private:
|
|
#endif
|
|
/**
|
|
* @deprecated Use fileName() instead
|
|
*/
|
|
KDE_DEPRECATED QString filename() const { return mfileName; }
|
|
|
|
protected:
|
|
KConfigBase *pConfig;
|
|
|
|
QString mfileName;
|
|
QCString resType;
|
|
bool useKDEGlobals : 1;
|
|
bool bFileImmutable : 1;
|
|
QCString localeString;
|
|
QString mLocalFileName;
|
|
QString mGlobalFileName;
|
|
KConfigBase::ConfigState mConfigState;
|
|
int mFileMode;
|
|
|
|
protected:
|
|
virtual void virtual_hook( int id, void* data );
|
|
protected:
|
|
class KConfigBackEndPrivate;
|
|
KConfigBackEndPrivate *d;
|
|
};
|
|
|
|
|
|
/**
|
|
* Class for KDE INI-style configuration file loading/saving.
|
|
*
|
|
* @author Preston Brown <pbrown@kde.org>,
|
|
* Matthias Kalle Dalheimer <kalle@kde.org>
|
|
*/
|
|
class KDECORE_EXPORT KConfigINIBackEnd : public KConfigBackEnd
|
|
{
|
|
|
|
public:
|
|
/**
|
|
* Constructs an ini-style configuration back end.
|
|
*
|
|
* @param _config Specifies the configuration object which values
|
|
* will be passed to as they are read, or from where values
|
|
* to be written to will be obtained from.
|
|
* @param _fileName The name of the file in which config
|
|
* data is stored. All registered configuration directories
|
|
* will be looked in in order of decreasing relevance.
|
|
* @param _resType the resource type of the fileName specified, _if_
|
|
* it is not an absolute path (otherwise this parameter is ignored).
|
|
* @param _useKDEGlobals If true, the user's system-wide kdeglobals file
|
|
* will be imported into the config object. If false, only
|
|
* the filename specified will be dealt with.
|
|
*/
|
|
KConfigINIBackEnd(KConfigBase *_config, const QString &_fileName,
|
|
const char * _resType, bool _useKDEGlobals = true)
|
|
: KConfigBackEnd(_config, _fileName, _resType, _useKDEGlobals) {}
|
|
|
|
/**
|
|
* Destructs the configuration backend.
|
|
*/
|
|
virtual ~KConfigINIBackEnd() {}
|
|
|
|
/**
|
|
* Parses all INI-style configuration files for a config object.
|
|
*
|
|
* @returns Whether or not parsing was successful.
|
|
*/
|
|
bool parseConfigFiles();
|
|
|
|
/**
|
|
* Writes configuration data to file(s).
|
|
* @param bMerge Specifies whether the old config file already
|
|
* on disk should be merged in with the data in memory. If true,
|
|
* data is read off the disk and merged. If false, the on-disk
|
|
* file is removed and only in-memory data is written out.
|
|
*/
|
|
virtual void sync(bool bMerge = true);
|
|
|
|
protected:
|
|
/**
|
|
* Parses one configuration file.
|
|
*
|
|
* @param rFile The configuration file to parse
|
|
* @param pWriteBackMap If specified, points to a KEntryMap where
|
|
* the data read from the file should be stored, instead of
|
|
* inserting them directly into the configuration object.
|
|
* Use this area as a "scratchpad" when you need to know what is
|
|
* on disk but don't want to effect the configuration object.
|
|
* @param bGlobal Specifies whether entries should be marked as
|
|
* belonging to the global KDE configuration file rather
|
|
* than the application-specific KDE configuration file(s).
|
|
* @param bDefault Specifies whether entries should be marked as
|
|
* being default values.
|
|
*/
|
|
void parseSingleConfigFile(QFile& rFile, KEntryMap *pWriteBackMap = 0L,
|
|
bool bGlobal = false, bool bDefault = false);
|
|
|
|
/**
|
|
* Writes configuration file back.
|
|
*
|
|
* @param filename The name of the file to write.
|
|
* @param bGlobal Specifies whether to write only entries which
|
|
* are marked as belonging to the global KDE config file.
|
|
* If this is false, it skips those entries.
|
|
* @param bMerge Specifies whether the old config file already
|
|
* on disk should be merged in with the data in memory. If true,
|
|
* data is read off the disk and merged. If false, the on-disk
|
|
* file is removed and only in-memory data is written out.
|
|
* @return Whether some entries are left to be written to other
|
|
* files.
|
|
*/
|
|
bool writeConfigFile(QString filename, bool bGlobal = false, bool bMerge = true);
|
|
|
|
/** Get the entry map.
|
|
*
|
|
* @param map the entries will be stored in this object.
|
|
* @param bGlobal Specifies whether to get only entries which
|
|
* are marked as belonging to the global KDE config file.
|
|
* If this is false, it skips those entries.
|
|
* @param mergeFile if not null, the dirty entries for this file will
|
|
* be merged.
|
|
*
|
|
* @return Whether there will be some entries left for writing to other
|
|
* files.
|
|
*/
|
|
bool getEntryMap(KEntryMap &map, bool bGlobal, QFile *mergeFile);
|
|
|
|
/** Write the entries in @e aTempMap to the file stream.*/
|
|
void writeEntries(FILE *pStream, const KEntryMap &aTempMap);
|
|
|
|
protected:
|
|
virtual void virtual_hook( int id, void* data );
|
|
private:
|
|
class KConfigINIBackEndPrivate;
|
|
KConfigINIBackEndPrivate *not_d;
|
|
};
|
|
|
|
#endif
|