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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef QMLJSIMPORTCACHE_H
#define QMLJSIMPORTCACHE_H
#include "qmljsviewercontext.h"
#include <languageutils/componentversion.h>
#include <utils/qtcoverride.h>
#include <utils/function.h>
#include <QObject>
#include <QString>
#include <QStringList>
#include <QList>
#include <QMap>
#include <QSet>
#include <QSharedPointer>
QT_BEGIN_NAMESPACE
class QCryptographicHash;
QT_END_NAMESPACE
namespace QmlJS {
class ImportInfo;
namespace Internal {
class ImportDependenciesPrivate;
}
class ImportDependencies;
// match strenght wrt to the selectors of a ViewerContext
// this is valid only within a ViewerContext
class QMLJS_EXPORT ImportMatchStrength
{
public:
explicit ImportMatchStrength() {}
ImportMatchStrength(QList<int> match);
int compareMatch(const ImportMatchStrength &o) const;
bool hasNoMatch();
bool hasMatch();
private:
friend bool operator ==(const ImportMatchStrength &m1, const ImportMatchStrength &m2);
QList<int> m_match;
};
bool operator ==(const ImportMatchStrength &m1, const ImportMatchStrength &m2);
bool operator !=(const ImportMatchStrength &m1, const ImportMatchStrength &m2);
bool operator <(const ImportMatchStrength &m1, const ImportMatchStrength &m2);
/*!
* \brief The ImportKey class represent an import (or export), and can be used as hash key
*
* This represent only what is to be imported, *not* how (i.e. no as clause)
*
* Order is defined so that files in the same directory are contiguous, and different
* ImportKind are separated.
* This is used to efficiently iterate just on library imports, or just on a directory
* while preserving space.
*/
class QMLJS_EXPORT ImportKey
{
public:
enum DirCompareInfo {
SameDir,
FirstInSecond,
SecondInFirst,
Different,
Incompatible
};
explicit ImportKey();
explicit ImportKey(const ImportInfo &info);
ImportKey(ImportType::Enum type, const QString &path,
int majorVersion = LanguageUtils::ComponentVersion::NoVersion,
int minorVersion = LanguageUtils::ComponentVersion::NoVersion);
ImportType::Enum type;
QStringList splitPath;
int majorVersion;
int minorVersion;
QString path() const;
void addToHash(QCryptographicHash &hash) const;
ImportKey flatKey() const;
// wrap QList in a special type?
ImportMatchStrength matchImport(const ImportKey &o, const ViewerContext &vContext) const;
int compare(const ImportKey &other) const;
bool isDirectoryLike() const;
DirCompareInfo compareDir(const ImportKey &other) const;
QString toString() const;
};
uint qHash(const ImportKey &info);
bool operator ==(const ImportKey &i1, const ImportKey &i2);
bool operator !=(const ImportKey &i1, const ImportKey &i2);
bool operator <(const ImportKey &i1, const ImportKey &i2);
class QMLJS_EXPORT Export
{
public:
Export();
Export(ImportKey exportName, QString pathRequired, bool intrinsic = false);
ImportKey exportName;
QString pathRequired;
bool intrinsic;
bool visibleInVContext(const ViewerContext &vContext) const;
};
bool operator ==(const Export &i1, const Export &i2);
bool operator !=(const Export &i1, const Export &i2);
class QMLJS_EXPORT CoreImport
{
public:
CoreImport();
CoreImport(const QString &importId, const QList<Export> &possibleExports = QList<Export>(),
Language::Enum language = Language::Qml, const QByteArray &fingerprint = QByteArray());
QString importId;
QList<Export> possibleExports;
Language::Enum language;
QByteArray fingerprint;
bool valid();
};
class QMLJS_EXPORT DependencyInfo
{
public:
typedef QSharedPointer<const DependencyInfo> ConstPtr;
typedef QSharedPointer<DependencyInfo> Ptr;
QByteArray calculateFingerprint(const ImportDependencies &deps);
ImportKey rootImport;
QSet<QString> allCoreImports;
QSet<ImportKey> allImports;
QByteArray fingerprint;
};
class QMLJS_EXPORT MatchedImport
{
public:
MatchedImport();
MatchedImport(ImportMatchStrength matchStrength, ImportKey importKey,
const QString &coreImportId);
ImportMatchStrength matchStrength;
ImportKey importKey;
QString coreImportId;
int compare(const MatchedImport &o) const;
};
bool operator ==(const MatchedImport &m1, const MatchedImport &m2);
bool operator !=(const MatchedImport &m1, const MatchedImport &m2);
bool operator <(const MatchedImport &m1, const MatchedImport &m2);
class QMLJS_EXPORT ImportDependencies
{
public:
typedef QMap<ImportKey, QList<MatchedImport> > ImportElements;
explicit ImportDependencies();
~ImportDependencies();
void filter(const ViewerContext &vContext);
CoreImport coreImport(const QString &importId) const;
void iterateOnCandidateImports(const ImportKey &key, const ViewerContext &vContext,
Utils::function<bool(const ImportMatchStrength &,
const Export &,
const CoreImport &)> const &iterF) const;
ImportElements candidateImports(const ImportKey &key, const ViewerContext &vContext) const;
QList<DependencyInfo::ConstPtr> createDependencyInfos(const ImportKey &mainDoc,
const ViewerContext &vContext) const;
void addCoreImport(const CoreImport &import);
void removeCoreImport(const QString &importId);
void addExport(const QString &importId, const ImportKey &importKey,
const QString &requiredPath);
void removeExport(const QString &importId, const ImportKey &importKey,
const QString &requiredPath);
void iterateOnCoreImports(const ViewerContext &vContext,
Utils::function<bool(const CoreImport &)> const &iterF) const;
void iterateOnLibraryImports(const ViewerContext &vContext,
Utils::function<bool(const ImportMatchStrength &,
const Export &,
const CoreImport &)> const &iterF) const;
void iterateOnSubImports(const ImportKey &baseKey, const ViewerContext &vContext,
Utils::function<bool(const ImportMatchStrength &,
const Export &,
const CoreImport &)> const &iterF) const;
QSet<ImportKey> libraryImports(const ViewerContext &viewContext) const;
QSet<ImportKey> subdirImports(const ImportKey &baseKey, const ViewerContext &viewContext) const;
private:
void removeImportCacheEntry(const ImportKey &importKey, const QString &importId);
QMap<ImportKey, QStringList> m_importCache;
QMap<QString, CoreImport> m_coreImports;
};
} // namespace QmlJS
#endif // QMLJSIMPORTCACHE_H
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