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

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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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

#ifndef MAKEFILEDEPS_H

#define MAKEFILEDEPS_H

#include <qstringlist.h>

#include <qfileinfo.h>

QT_BEGIN_NAMESPACE

struct SourceFile;

struct SourceDependChildren;

class SourceFiles;

class QMakeLocalFileName {

    uint is_null : 1;

    mutable QString real_name, local_name;

public:

    QMakeLocalFileName() : is_null(1) { }

    QMakeLocalFileName(const QString &);

    bool isNull() const { return is_null; }

    inline const QString &real() const { return real_name; }

    const QString &local() const;

    bool operator==(const QMakeLocalFileName &other) {

        return (this->real_name == other.real_name);

    }

    bool operator!=(const QMakeLocalFileName &other) {

        return !(*this == other);

    }

};

class QMakeSourceFileInfo

{

private:

    //quick project lookups

    SourceFiles *files, *includes;

    bool files_changed;

    QList<QMakeLocalFileName> depdirs;

    //sleezy buffer code

    char *spare_buffer;

    int   spare_buffer_size;

    char *getBuffer(int s);

    //actual guts

    bool findMocs(SourceFile *);

    bool findDeps(SourceFile *);

    void dependTreeWalker(SourceFile *, SourceDependChildren *);

    //cache

    QString cachefile;

protected:

    virtual QMakeLocalFileName fixPathForFile(const QMakeLocalFileName &, bool forOpen=false);

    virtual QMakeLocalFileName findFileForDep(const QMakeLocalFileName &, const QMakeLocalFileName &);

    virtual QFileInfo findFileInfo(const QMakeLocalFileName &);

public:

    QMakeSourceFileInfo(const QString &cachefile="");

    virtual ~QMakeSourceFileInfo();

    QList<QMakeLocalFileName> dependencyPaths() const { return depdirs; }

    void setDependencyPaths(const QList<QMakeLocalFileName> &);

    enum DependencyMode { Recursive, NonRecursive };

    inline void setDependencyMode(DependencyMode mode) { dep_mode = mode; }

    inline DependencyMode dependencyMode() const { return dep_mode; }

    enum SourceFileType { TYPE_UNKNOWN, TYPE_C, TYPE_UI, TYPE_QRC };

    enum SourceFileSeek { SEEK_DEPS=0x01, SEEK_MOCS=0x02 };

    void addSourceFiles(const QStringList &, uchar seek, SourceFileType type=TYPE_C);

    void addSourceFile(const QString &, uchar seek, SourceFileType type=TYPE_C);

    bool containsSourceFile(const QString &, SourceFileType type=TYPE_C);

    int included(const QString &file);

    QStringList dependencies(const QString &file);

    bool mocable(const QString &file);

    virtual QMap<QString, QStringList> getCacheVerification();

    virtual bool verifyCache(const QMap<QString, QStringList> &);

    void setCacheFile(const QString &cachefile); //auto caching

    void loadCache(const QString &cf);

    void saveCache(const QString &cf);

private:

    DependencyMode dep_mode;

};

QT_END_NAMESPACE

#endif // MAKEFILEDEPS_H