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#ifndef PROJECTRESOLVER_H
#define PROJECTRESOLVER_H

#include "filetags.h"
#include "itemtype.h"
#include "moduleloader.h"

#include <logging/logger.h>

#include <QMap>
#include <QSet>

namespace qbs {
namespace Internal {

class Evaluator;
class Item;
class ProgressObserver;
class ScriptEngine;
class QualifiedIdSet;

class ProjectResolver
{
public:
    ProjectResolver(Evaluator *evaluator, const ModuleLoaderResult &loadResult,
                    const SetupProjectParameters &setupParameters, const Logger &logger);
    ~ProjectResolver();

    void setProgressObserver(ProgressObserver *observer);
    TopLevelProjectPtr resolve();

    static void applyFileTaggers(const SourceArtifactPtr &artifact,
            const ResolvedProductConstPtr &product, const Logger &logger);
    static SourceArtifactPtr createSourceArtifact(const ResolvedProductConstPtr &rproduct,
            const PropertyMapPtr &properties, const QString &fileName,
            const FileTags &fileTags, bool overrideTags, QList<SourceArtifactPtr> &artifactList);

private:
    struct ProjectContext;
    struct ProductContext;
    struct ModuleContext;

    void checkCancelation() const;
    QString verbatimValue(const ValueConstPtr &value, bool *propertyWasSet = 0) const;
    QString verbatimValue(Item *item, const QString &name, bool *propertyWasSet = 0) const;
    ScriptFunctionPtr scriptFunctionValue(Item *item, const QString &name) const;
    ResolvedFileContextPtr resolvedFileContext(const FileContextConstPtr &ctx) const;
    void ignoreItem(Item *item, ProjectContext *projectContext);
    TopLevelProjectPtr resolveTopLevelProject();
    void resolveProject(Item *item, ProjectContext *projectContext);
    void resolveSubProject(Item *item, ProjectContext *projectContext);
    void resolveProduct(Item *item, ProjectContext *projectContext);
    void resolveModules(const Item *item, ProjectContext *projectContext);
    void resolveModule(const QualifiedId &moduleName, Item *item, bool isProduct,
                       ProjectContext *projectContext);
    void resolveGroup(Item *item, ProjectContext *projectContext);
    void resolveRule(Item *item, ProjectContext *projectContext);
    void resolveRuleArtifact(const RulePtr &rule, Item *item);
    static void resolveRuleArtifactBinding(const RuleArtifactPtr &ruleArtifact, Item *item,
                                           const QStringList &namePrefix,
                                           QualifiedIdSet *seenBindings);
    void resolveFileTagger(Item *item, ProjectContext *projectContext);
    void resolveTransformer(Item *item, ProjectContext *projectContext);
    void resolveScanner(Item *item, ProjectContext *projectContext);
    void resolveProductDependencies(const ProjectContext &projectContext);
    void postProcess(const ResolvedProductPtr &product, ProjectContext *projectContext) const;
    void applyFileTaggers(const ResolvedProductPtr &product) const;
    QVariantMap evaluateModuleValues(Item *item, bool lookupPrototype = true) const;
    QVariantMap evaluateProperties(Item *item, bool lookupPrototype = true) const;
    QVariantMap evaluateProperties(Item *item, Item *propertiesContainer, const QVariantMap &tmplt,
            bool lookupPrototype = true) const;
    QVariantMap createProductConfig() const;
    QString convertPathProperty(const QString &path, const QString &dirPath) const;
    QStringList convertPathListProperty(const QStringList &paths, const QString &dirPath) const;
    ProjectContext createProjectContext(ProjectContext *parentProjectContext) const;
    QList<ResolvedProductPtr> getProductDependencies(const ResolvedProductConstPtr &product,
            const ModuleLoaderResult::ProductInfo &productInfo, bool &disabledDependency);
    static void matchArtifactProperties(const ResolvedProductPtr &product,
            const QList<SourceArtifactPtr> &artifacts);

    Evaluator *m_evaluator;
    Logger m_logger;
    ScriptEngine *m_engine;
    ProgressObserver *m_progressObserver;
    ProductContext *m_productContext;
    ModuleContext *m_moduleContext;
    QMap<QString, ResolvedProductPtr> m_productsByName;
    QHash<FileTag, QList<ResolvedProductPtr> > m_productsByType;
    QHash<ResolvedProductPtr, Item *> m_productItemMap;
    mutable QHash<FileContextConstPtr, ResolvedFileContextPtr> m_fileContextMap;
    const SetupProjectParameters &m_setupParams;
    const ModuleLoaderResult &m_loadResult;

    typedef void (ProjectResolver::*ItemFuncPtr)(Item *item, ProjectContext *projectContext);
    typedef QMap<ItemType, ItemFuncPtr> ItemFuncMap;
    void callItemFunction(const ItemFuncMap &mappings, Item *item, ProjectContext *projectContext);
};

} // namespace Internal
} // namespace qbs

#endif // PROJECTRESOLVER_H
