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/* This file is part of KDevelop
Copyright 2007 Andreas Pakulat <apaku@gmx.de>
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 KDEVPLATFORM_ENVIRONMENTPROFILELIST_H
#define KDEVPLATFORM_ENVIRONMENTPROFILELIST_H
#include "utilexport.h"
#include <KSharedConfig>
class QProcessEnvironment;
class KConfig;
template<typename T1, typename T2> class QMap;
class QString;
class QStringList;
namespace KDevelop {
class EnvironmentProfileListPrivate;
/**
* This class manages a list of environment profiles, each profile containing a number
* of environment variables and their values.
*
* The class is constructed from a KConfig object for easy usage in the plugins.
*
* The methods to change the environments is protected to disallow access to those methods
* from plugins, only the environment widget is allowed to change them.
*
* Example Usage
* \code
* KSharedConfigPtr config = KSharedConfig::openConfig();
* EnvironmentProfileList env(config);
* KConfigGroup cfg(config, "QMake Builder");
* QMap<QString,QString> myenvVars = env.variables( cfg.readEntry("QMake Environment") );
* \endcode
*
* Two entries are used by this class:
* "Default Environment Group" and "Environment Variables".
*
* "Default Environment Variables" stores the default profile that should be used if the
* user didn't select a profile via a plugins configuration dialog.
*
* "Environment Variables" entry stores the actual list of
* <profilename%varname=varvalue>. The profilename can't contain '%' or '='.
* For example, suppose that two configuration, say "release" and "debug" exist.
* Then the actual contents of .kdev4 project file will be
*
* \code
* [Environment Settings]
* Default Environment Group=debug
* Environment Variables=debug_PATH=/home/kde-devel/usr/bin,release_PATH=/usr/bin
* \endcode
*
*/
class KDEVPLATFORMUTIL_EXPORT EnvironmentProfileList
{
public:
EnvironmentProfileList(const EnvironmentProfileList& rhs);
EnvironmentProfileList& operator=(const EnvironmentProfileList& rhs);
/**
* Creates an a list of environment profiles from a KConfig object
* @param config the KConfig object to read the environment profiles from
*/
explicit EnvironmentProfileList(const KSharedConfigPtr& config);
explicit EnvironmentProfileList(KConfig* config);
~EnvironmentProfileList();
/**
* Creates a merged environment between the defaults specified by
* \a defaultEnvironment and those saved in \a profileName
*/
QStringList createEnvironment(const QString& profileName, const QStringList& defaultEnvironment) const;
/**
* returns the variables that are set for a given profile.
* This function provides read-only access to the environment
* @param profileName the name of the profile for which the environment should be returned
* @return a map containing the environment variables for this profile, or an empty map if the profile doesn't exist in this list
*/
QMap<QString, QString> variables(const QString& profileName) const;
/**
* returns the name of the default profile
* The default profile should be used by plugins unless the user chooses a different profile
* @return the name of the default profile, defaults to "default"
*/
QString defaultProfileName() const;
/**
* Fetch the list of names of known profiles from the list
* @return the list of profile names
*/
QStringList profileNames() const;
protected:
EnvironmentProfileList();
/**
* returns the variables that are set for a given profile.
* This function provides write access to the environment, so new variables can be inserted, existing ones changed or deleted
*
* If a non-existing profile is specified this returns a new empty map and that way this function can be used to add a new profile
* to the list of environment profiles
* @param profileName the name of the profile for which the environment should be returned
* @return a map containing the environment variables for this profile, or an empty map if the profile doesn't exist in this list
*/
QMap<QString, QString>& variables(const QString& profileName);
/**
* Changes the default profile.
* @param profileName the name of the new default profile, if a profile of this name doesn't exist the default profile is not changed
*/
void setDefaultProfile(const QString& profileName);
/**
* Stores the environment profiles in this list to the given KConfig object
* @param config a KConfig object to which the environment settings should be stored
*/
void saveSettings(KConfig* config) const;
void loadSettings(KConfig* config);
void removeProfile(const QString& profileName);
private:
const QScopedPointer<class EnvironmentProfileListPrivate> d_ptr;
Q_DECLARE_PRIVATE(EnvironmentProfileList)
};
KDEVPLATFORMUTIL_EXPORT void expandVariables(QMap<QString, QString>& variables, const QProcessEnvironment& environment);
}
#endif
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