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// Copyright (C) 2016 The Qt Company Ltd.
// Copyright (C) 2015 Klaralvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author David Faure <david.faure@kdab.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR LGPL-3.0
#pragma once
//
// 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 "mimeglobpattern_p.h"
#include <QtCore/qdatetime.h>
#include <QtCore/qset.h>
namespace Utils {
class MimeMagicRuleMatcher;
class MimeProviderBase
{
public:
MimeProviderBase(MimeDatabasePrivate *db, const QString &directory);
virtual ~MimeProviderBase() {}
virtual bool isValid() = 0;
virtual bool isInternalDatabase() const = 0;
virtual MimeType mimeTypeForName(const QString &name) = 0;
virtual void addFileNameMatches(const QString &fileName, MimeGlobMatchResult &result) = 0;
virtual void addParents(const QString &mime, QStringList &result) = 0;
virtual QString resolveAlias(const QString &name) = 0;
virtual void addAliases(const QString &name, QStringList &result) = 0;
virtual void findByMagic(const QByteArray &data, int *accuracyPtr, MimeType &candidate) = 0;
virtual void addAllMimeTypes(QList<MimeType> &result) = 0;
virtual bool loadMimeTypePrivate(MimeTypePrivate &) { return false; }
virtual void loadIcon(MimeTypePrivate &) {}
virtual void loadGenericIcon(MimeTypePrivate &) {}
virtual void ensureLoaded() {}
QString directory() const { return m_directory; }
// added for Qt Creator
virtual bool hasMimeTypeForName(const QString &name) = 0;
virtual QStringList allMimeTypeNames() = 0;
virtual QMap<int, QList<MimeMagicRule>> magicRulesForMimeType(const MimeType &mimeType) const = 0;
virtual void setMagicRulesForMimeType(const MimeType &mimeType,
const QMap<int, QList<MimeMagicRule>> &rules) = 0;
virtual void setGlobPatternsForMimeType(const MimeType &mimeType, const QStringList &patterns)
= 0;
MimeDatabasePrivate *m_db;
QString m_directory;
QSet<QString> m_overriddenMimeTypes;
};
/*
Parses the files 'mime.cache' and 'types' on demand
*/
class MimeBinaryProvider : public MimeProviderBase
{
public:
MimeBinaryProvider(MimeDatabasePrivate *db, const QString &directory);
virtual ~MimeBinaryProvider();
bool isValid() override;
bool isInternalDatabase() const override;
MimeType mimeTypeForName(const QString &name) override;
void addFileNameMatches(const QString &fileName, MimeGlobMatchResult &result) override;
void addParents(const QString &mime, QStringList &result) override;
QString resolveAlias(const QString &name) override;
void addAliases(const QString &name, QStringList &result) override;
void findByMagic(const QByteArray &data, int *accuracyPtr, MimeType &candidate) override;
void addAllMimeTypes(QList<MimeType> &result) override;
bool loadMimeTypePrivate(MimeTypePrivate &) override;
void loadIcon(MimeTypePrivate &) override;
void loadGenericIcon(MimeTypePrivate &) override;
void ensureLoaded() override;
// added for Qt Creator
bool hasMimeTypeForName(const QString &name) override;
QStringList allMimeTypeNames() override;
QMap<int, QList<MimeMagicRule>> magicRulesForMimeType(const MimeType &mimeType) const override;
void setMagicRulesForMimeType(const MimeType &mimeType,
const QMap<int, QList<MimeMagicRule>> &rules) override;
void setGlobPatternsForMimeType(const MimeType &mimeType, const QStringList &patterns) override;
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);
QLatin1String iconForMime(CacheFile *cacheFile, int posListOffset, const QByteArray &inputMime);
void loadMimeTypeList();
bool checkCacheChanged();
CacheFile *m_cacheFile = nullptr;
QStringList m_cacheFileNames;
QSet<QString> m_mimetypeNames;
bool m_mimetypeListLoaded;
struct MimeTypeExtra
{
QHash<QString, QString> localeComments;
QStringList globPatterns;
};
QMap<QString, MimeTypeExtra> m_mimetypeExtra;
};
/*
Parses the raw XML files (slower)
*/
class MimeXMLProvider : public MimeProviderBase
{
public:
enum InternalDatabaseEnum { InternalDatabase };
#if 1 // QT_CONFIG(mimetype_database)
enum : bool { InternalDatabaseAvailable = true };
#else
enum : bool { InternalDatabaseAvailable = false };
#endif
MimeXMLProvider(MimeDatabasePrivate *db, InternalDatabaseEnum);
MimeXMLProvider(MimeDatabasePrivate *db, const QString &directory);
// added for Qt Creator
MimeXMLProvider(MimeDatabasePrivate *db, const QString &directory, const QByteArray &data);
~MimeXMLProvider();
bool isValid() override;
bool isInternalDatabase() const override;
MimeType mimeTypeForName(const QString &name) override;
void addFileNameMatches(const QString &fileName, MimeGlobMatchResult &result) override;
void addParents(const QString &mime, QStringList &result) override;
QString resolveAlias(const QString &name) override;
void addAliases(const QString &name, QStringList &result) override;
void findByMagic(const QByteArray &data, int *accuracyPtr, MimeType &candidate) override;
void addAllMimeTypes(QList<MimeType> &result) override;
void ensureLoaded() override;
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);
// added for Qt Creator
bool hasMimeTypeForName(const QString &name) override;
QStringList allMimeTypeNames() override;
QMap<int, QList<MimeMagicRule>> magicRulesForMimeType(const MimeType &mimeType) const override;
void setMagicRulesForMimeType(const MimeType &mimeType,
const QMap<int, QList<MimeMagicRule>> &rules) override;
void setGlobPatternsForMimeType(const MimeType &mimeType, const QStringList &patterns) override;
private:
void load(const QString &fileName);
void load(const char *data, qsizetype len);
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;
};
} // namespace Utils
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