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#ifndef PREPROCESSORCONTROL_H

#define PREPROCESSORCONTROL_H

#include "tokenengine.h"

#include "tokenizer.h"

#include "rpplexer.h"

#include "rpptreeevaluator.h"

#include "rpp.h"

#include <QString>

#include <QStringList>

#include <QHash>

QT_BEGIN_NAMESPACE

class IncludeFiles

{

public:

    IncludeFiles(const QString &basePath, const QStringList &searchPaths);

    QString quoteLookup(const QString &currentFile,

                        const QString &includeFile)const;

    QString angleBracketLookup(const QString &includeFile) const;

    QString resolve(const QString &filename) const;

private:

    QString searchIncludePaths(const QString &includeFile)const;

    QStringList m_searchPaths;

    QString m_basePath;

};

class PreprocessorCache: public QObject

{

Q_OBJECT

public:

    PreprocessorCache();

    TokenEngine::TokenContainer sourceTokens(const QString &filename);

    Rpp::Source *sourceTree(const QString &filename);

    bool containsSourceTokens(const QString &filename);

    bool containsSourceTree(const QString &filename);

signals:

    void error(QString type, QString text);

    void readFile(QByteArray &contents, QString filename);

private:

    QByteArray readFile(const QString & filename) const;

    Tokenizer m_tokenizer;

    Rpp::RppLexer m_lexer;

    Rpp::Preprocessor m_preprocessor;

    TypedPool<Rpp::Item> m_memoryPool;

    QHash<QString, Rpp::Source *> m_sourceTrees;

    QHash<QString, TokenEngine::TokenContainer> m_sourceTokens;

};

class PreprocessorController: public QObject

{

Q_OBJECT

public:

    PreprocessorController(IncludeFiles includefiles,

                           PreprocessorCache &preprocessorCache,

                           QStringList preLoadFilesFilenames = QStringList());

    TokenEngine::TokenSectionSequence evaluate(const QString &filename, Rpp::DefineMap *activedefinitions);

public slots:

    void includeSlot(Rpp::Source *&includee, const Rpp::Source *includer,

         const QString &filename, Rpp::RppTreeEvaluator::IncludeType includeType);

    void readFile(QByteArray &contents, QString filename);

signals:

    void error(QString type, QString text);

private:

    IncludeFiles m_includeFiles;

    Rpp::RppTreeEvaluator m_rppTreeEvaluator;

    PreprocessorCache &m_preprocessorCache;

    QHash<QString, QByteArray> m_preLoadFiles;

};

Rpp::DefineMap *defaultMacros(PreprocessorCache &preprocessorCache);

class StandardOutErrorHandler : public QObject

{

Q_OBJECT

public slots:

    void error(QString type, QString text);

};

class RppPreprocessor

{

public:

    RppPreprocessor(QString basePath, QStringList includePaths, QStringList preLoadFilesFilename = QStringList());

    ~RppPreprocessor();

    TokenEngine::TokenSectionSequence evaluate(const QString &filename);

private:

    IncludeFiles m_includeFiles;

    PreprocessorCache m_cache;

    Rpp::DefineMap *m_activeDefinitions;

    PreprocessorController m_controller;

    StandardOutErrorHandler m_errorHandler;

};

QT_END_NAMESPACE

#endif