/****************************************************************************
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****************************************************************************/

#ifndef QBS_EXECUTABLEFINDER_H
#define QBS_EXECUTABLEFINDER_H

#include <language/language.h>

#include <QtCore/qprocess.h>

namespace qbs {
namespace Internal {

/*!
 * \brief Helper class for finding an executable in the PATH of the build environment.
 */
class ExecutableFinder
{
public:
    ExecutableFinder(const ResolvedProductPtr &product, const QProcessEnvironment &env);

    QString findExecutable(const QString &path, const QString &workingDirPath);

private:
    static QStringList m_executableSuffixes;
    QString findBySuffix(const QString &filePath) const;
    bool candidateCheck(const QString &directory, const QString &program,
            QString &fullProgramPath) const;
    QString findInPath(const QString &filePath, const QString &workingDirPath) const;

    QString cachedFilePath(const QString &filePath) const;
    void cacheFilePath(const QString &filePaht, const QString &filePath) const;

    ResolvedProductPtr m_product;
    const QProcessEnvironment &m_environment;
};

} // namespace Internal
} // namespace qbs

#endif // QBS_EXECUTABLEFINDER_H
