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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MIMEPROVIDER_P_H
#define MIMEPROVIDER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "mimedatabase_p.h"
#include "mimemagicrule_p.h"
#include <QtCore/qdatetime.h>
#include <QtCore/qset.h>
namespace Utils {
namespace Internal {
class MimeMagicRuleMatcher;
class MimeProviderBase
{
public:
MimeProviderBase(MimeDatabasePrivate *db);
virtual ~MimeProviderBase() {}
virtual bool isValid() = 0;
virtual MimeType mimeTypeForName(const QString &name) = 0;
virtual QStringList findByFileName(const QString &fileName, QString *foundSuffix) = 0;
virtual QStringList parents(const QString &mime) = 0;
virtual QString resolveAlias(const QString &name) = 0;
virtual QStringList listAliases(const QString &name) = 0;
virtual MimeType findByMagic(const QByteArray &data, int *accuracyPtr) = 0;
virtual QList<MimeType> allMimeTypes() = 0;
virtual void loadMimeTypePrivate(MimeTypePrivate &) {}
virtual void loadIcon(MimeTypePrivate &) {}
virtual void loadGenericIcon(MimeTypePrivate &) {}
// Qt Creator additions
virtual QStringList bestMatchByFileName(const QString &fileName, const QList<MimeType> &types) = 0;
virtual MimeType bestMatchByMagic(const QByteArray &data, const QList<MimeType> &types, int *accuracyPtr) = 0;
virtual QMap<int, QList<MimeMagicRule> > magicRulesForMimeType(const MimeType &mimeType) = 0;
MimeDatabasePrivate *m_db;
protected:
bool shouldCheck();
QDateTime m_lastCheck;
};
///*
// Parses the files 'mime.cache' and 'types' on demand
// */
//class MimeBinaryProvider : public MimeProviderBase
//{
//public:
// MimeBinaryProvider(MimeDatabasePrivate *db);
// virtual ~MimeBinaryProvider();
// virtual bool isValid();
// virtual MimeType mimeTypeForName(const QString &name);
// virtual QStringList findByFileName(const QString &fileName, QString *foundSuffix);
// virtual QStringList parents(const QString &mime);
// virtual QString resolveAlias(const QString &name);
// virtual QStringList listAliases(const QString &name);
// virtual MimeType findByMagic(const QByteArray &data, int *accuracyPtr);
// virtual QList<MimeType> allMimeTypes();
// virtual void loadMimeTypePrivate(MimeTypePrivate &);
// virtual void loadIcon(MimeTypePrivate &);
// virtual void loadGenericIcon(MimeTypePrivate &);
//private:
// struct CacheFile;
// void matchGlobList(MimeGlobMatchResult &result, CacheFile *cacheFile, int offset, const QString &fileName);
// bool matchSuffixTree(MimeGlobMatchResult &result, CacheFile *cacheFile, int numEntries, int firstOffset, const QString &fileName, int charPos, bool caseSensitiveCheck);
// bool matchMagicRule(CacheFile *cacheFile, int numMatchlets, int firstOffset, const QByteArray &data);
// QString iconForMime(CacheFile *cacheFile, int posListOffset, const QByteArray &inputMime);
// void loadMimeTypeList();
// void checkCache();
// class CacheFileList : public QList<CacheFile *>
// {
// public:
// CacheFile *findCacheFile(const QString &fileName) const;
// bool checkCacheChanged();
// };
// CacheFileList m_cacheFiles;
// QStringList m_cacheFileNames;
// QSet<QString> m_mimetypeNames;
// bool m_mimetypeListLoaded;
//};
/*
Parses the raw XML files (slower)
*/
class MimeXMLProvider : public MimeProviderBase
{
public:
MimeXMLProvider(MimeDatabasePrivate *db);
virtual bool isValid();
virtual MimeType mimeTypeForName(const QString &name);
virtual QStringList findByFileName(const QString &fileName, QString *foundSuffix);
virtual QStringList parents(const QString &mime);
virtual QString resolveAlias(const QString &name);
virtual QStringList listAliases(const QString &name);
virtual MimeType findByMagic(const QByteArray &data, int *accuracyPtr);
virtual QList<MimeType> allMimeTypes();
bool load(const QString &fileName, QString *errorMessage);
// Called by the mimetype xml parser
void addMimeType(const MimeType &mt);
void addGlobPattern(const MimeGlobPattern &glob);
void addParent(const QString &child, const QString &parent);
void addAlias(const QString &alias, const QString &name);
void addMagicMatcher(const MimeMagicRuleMatcher &matcher);
// Qt Creator additions
void addFile(const QString &filePath);
QStringList bestMatchByFileName(const QString &fileName, const QList<MimeType> &types);
MimeType bestMatchByMagic(const QByteArray &data, const QList<MimeType> &types, int *accuracyPtr);
QMap<int, QList<MimeMagicRule> > magicRulesForMimeType(const MimeType &mimeType);
private:
void ensureLoaded();
void load(const QString &fileName);
bool m_loaded;
typedef QHash<QString, MimeType> NameMimeTypeMap;
NameMimeTypeMap m_nameMimeTypeMap;
typedef QHash<QString, QString> AliasHash;
AliasHash m_aliases;
typedef QHash<QString, QStringList> ParentsHash;
ParentsHash m_parents;
MimeAllGlobPatterns m_mimeTypeGlobs;
QList<MimeMagicRuleMatcher> m_magicMatchers;
QStringList m_allFiles;
// Qt Creator additions
QStringList m_additionalFiles;
};
} // Internal
} // Utils
#endif // MIMEPROVIDER_P_H
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