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

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** This file is part of the qmake application of the Qt Toolkit.

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

#ifndef CACHEKEYS_H

#define CACHEKEYS_H

#include "project.h"

#include <qstring.h>

#include <qstringlist.h>

#include <qfile.h>

#include <qfileinfo.h>

#include <qhash.h>

QT_BEGIN_NAMESPACE

// -------------------------------------------------------------------------------------------------

struct FixStringCacheKey

{

    mutable uint hash;

    QString string, pwd;

    uchar flags;

    FixStringCacheKey(const QString &s, uchar f)

    {

        hash = 0;

        pwd = qmake_getpwd();

        string = s;

        flags = f;

    }

    bool operator==(const FixStringCacheKey &f) const

    {

        return (hashCode() == f.hashCode() &&

                f.flags == flags &&

                f.string == string &&

                f.pwd == pwd);

    }

    inline uint hashCode() const {

        if(!hash)

            hash = qHash(string) | qHash(flags) /*| qHash(pwd)*/;

        return hash;

    }

};

inline uint qHash(const FixStringCacheKey &f) { return f.hashCode(); }

// -------------------------------------------------------------------------------------------------

struct FileInfoCacheKey

{

    mutable uint hash;

    QString file, pwd;

    FileInfoCacheKey(const QString &f)

    {

        hash = 0;

        if(isRelativePath(f))

            pwd = qmake_getpwd();

        file = f;

    }

    bool operator==(const FileInfoCacheKey &f) const

    {

        return (hashCode() == f.hashCode() && f.file == file &&

                f.pwd == pwd);

    }

    inline uint hashCode() const {

        if(!hash)

            hash = qHash(file) /*| qHash(pwd)*/;

        return hash;

    }

    inline bool isRelativePath(const QString &file) {

        int length = file.length();

        if (!length)

            return true;

        const QChar c0 = file.at(0);

        const QChar c1 = length >= 2 ? file.at(1) : QChar(0);

        return !(c0 == QLatin1Char('/')

                || c0 == QLatin1Char('\\')

                || (c0.isLetter() && c1 == QLatin1Char(':'))

                || (c0 == QLatin1Char('/') && c1 == QLatin1Char('/'))

                || (c0 == QLatin1Char('\\') && c1 == QLatin1Char('\\')));

    }

};

inline uint qHash(const FileInfoCacheKey &f) { return f.hashCode(); }

// -------------------------------------------------------------------------------------------------

struct FileFixifyCacheKey

{

    mutable uint hash;

    QString in_d, out_d;

    QString file, pwd;

    uint fixType;

    bool canonicalize;

    FileFixifyCacheKey(const QString &f, const QString &od, const QString &id,

                       uint ft, bool c)

    {

        hash = 0;

        pwd = qmake_getpwd();

        file = f;

        if(od.isNull())

            out_d = Option::output_dir;

        else

            out_d = od;

        if(id.isNull())

            in_d = qmake_getpwd();

        else

            in_d = id;

        fixType = ft;

        canonicalize = c;

    }

    QString toString() const {

        return file + "--" + in_d + "--" + out_d + "--" + pwd + "--" +

            QString::number(fixType) + "--" + QString::number((int)canonicalize);

    }

    bool operator==(const FileFixifyCacheKey &f) const

    {

        return (f.canonicalize == canonicalize &&

                f.fixType == fixType &&

                f.file == file &&

                f.in_d == in_d &&

                f.out_d == out_d &&

                f.pwd == pwd);

    }

    inline uint hashCode() const {

        if(!hash)

            hash = uint(canonicalize) | uint(fixType) |

                   qHash(file) | qHash(in_d) | qHash(out_d) /*|qHash(pwd)*/;

        return hash;

    }

};

inline uint qHash(const FileFixifyCacheKey &f) { return f.hashCode(); }

// -------------------------------------------------------------------------------------------------

// As MSVC 6.0 can't handle template functions that well, we need a separate function for each type

inline void qmakeDeleteCacheClear_QMapStringInt(void *i) { delete reinterpret_cast<QMap<QString,int> *>(i); }

inline void qmakeDeleteCacheClear_QStringList(void *i) { delete reinterpret_cast<QStringList *>(i); }

inline void qmakeDeleteCacheClear_QHashFixStringCacheKeyQString(void *i) { delete reinterpret_cast<QHash<FixStringCacheKey, QString> *>(i); }

inline void qmakeDeleteCacheClear_QHashFileInfoCacheKeyQFileInfo(void *i) { delete reinterpret_cast<QHash<FileInfoCacheKey, QFileInfo> *>(i); }

inline void qmakeDeleteCacheClear_QHashFileFixifyCacheKeyQString(void *i) { delete reinterpret_cast<QHash<FileFixifyCacheKey, QString> *>(i); }

inline void qmakeFreeCacheClear(void *i) { free(i); }

typedef void (*qmakeCacheClearFunc)(void *);

void qmakeAddCacheClear(qmakeCacheClearFunc func, void **);

void qmakeClearCaches();

QT_END_NAMESPACE

#endif // CACHEKEYS_H