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/***************************************************************************
copyright : (C) 2007 by David Nolden
email : david.nolden.kdevelop@art-master.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef INCLUDEPATHRESOLVER_H
#define INCLUDEPATHRESOLVER_H
#include <qstring.h> /* defines QString */
#include <qmap.h>
namespace CppTools {
class FileModificationTimeWrapper;
struct PathResolutionResult {
PathResolutionResult( bool _success = false, const QString& _errorMessage = QString(), const QString& _longErrorMessage = QString() ) : success( _success ), errorMessage( _errorMessage ), longErrorMessage( _longErrorMessage ) {
}
bool success;
QString errorMessage;
QString longErrorMessage;
QStringList path;
operator bool() const {
return success;
};
};
class SourcePathInformation;
///One resolution-try can issue up to 4 make-calls in worst case
class IncludePathResolver {
public:
///Whether the Qt event-loop should be continued(using BlockingKProcess). This crashes if enabled in a non-foreground thread.
IncludePathResolver( bool continueEventLoop = false );
///Same as below, but uses the directory of the file as working-directory. The argument must be absolute.
PathResolutionResult resolveIncludePath( const QString& file );
///The include-path is only computed once for a whole directory, then it is cached using the modification-time of the Makefile.
PathResolutionResult resolveIncludePath( const QString& file, const QString& workingDirectory );
///source and build must be absolute paths
void setOutOfSourceBuildSystem( const QString& source, const QString& build );
private:
bool m_isResolving;
bool m_continueEventLoop;
struct CacheEntry {
CacheEntry() : failed(false) {
}
QDateTime modificationTime;
QStringList path;
QString errorMessage, longErrorMessage;
bool failed;
QMap<QString,bool> failedFiles;
QDateTime failTime;
};
typedef QMap<QString, CacheEntry> Cache;
Cache m_cache;
///Executes the command, either using popen or BlockingKProcess
PathResolutionResult getFullOutput( const QString& command, const QString& workingDirectory, QString& output ) const;
bool executeCommandPopen ( const QString& command, const QString& workingDirectory, QString& result ) const;
///file should be the name of the target, without extension(because that may be different)
PathResolutionResult resolveIncludePathInternal( const QString& file, const QString& workingDirectory, const QString& makeParameters, const SourcePathInformation& source );
bool m_outOfSource;
QString m_source;
QString m_build;
};
};
#endif
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