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KDECore

kmimetype.h

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00001 /*  This file is part of the KDE libraries
00002  *  Copyright (C) 1999 Waldo Bastian <bastian@kde.org>
00003  *                     David Faure   <faure@kde.org>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation;
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  **/
00019 
00020 #ifndef __kmimetype_h__
00021 #define __kmimetype_h__
00022 
00023 #include <QtCore/QStringList>
00024 #include <QtCore/QList>
00025 
00026 #include <kurl.h>
00027 #include <ksycocatype.h>
00028 #include <kservicetype.h>
00029 
00030 #include <sys/types.h>
00031 #include <sys/stat.h>
00032 
00033 class KMimeTypePrivate;
00034 
00046 class KDECORE_EXPORT KMimeType : public KServiceType
00047 {
00048     Q_DECLARE_PRIVATE( KMimeType )
00049 public:
00050     typedef KSharedPtr<KMimeType> Ptr;
00051     typedef QList<Ptr> List;
00052 
00053     virtual ~KMimeType();
00054 
00064     QString iconName( const KUrl &url = KUrl()) const;
00065 
00076     static QString iconNameForUrl( const KUrl & url, mode_t mode = 0 );
00077 
00087     static QString favIconForUrl( const KUrl& url );
00088 
00096     QString comment( const KUrl& url = KUrl() ) const;
00097 
00103     QStringList patterns() const;
00104 
00105     enum FindByNameOption { DontResolveAlias, ResolveAliases = 1 };
00106 
00121     static Ptr mimeType( const QString& name, FindByNameOption options = DontResolveAlias );
00122 
00162     static Ptr findByUrl( const KUrl& url, mode_t mode = 0,
00163                           bool is_local_file = false, bool fast_mode = false,
00164                           int *accuracy = 0 );
00193     static Ptr findByPath( const QString& path, mode_t mode = 0,
00194                            bool fast_mode = false, int* accuracy = 0 );
00195 
00206     static Ptr findByContent( const QByteArray &data, int *accuracy=0 );
00207 
00223     static Ptr findByNameAndContent( const QString& name, const QByteArray& data,
00224                                      mode_t mode = 0, int *accuracy=0 );
00225 
00239     static Ptr findByFileContent( const QString &fileName, int *accuracy=0 );
00240 
00247     static bool isBinaryData( const QString &fileName );
00248 
00255     static bool isBufferBinaryData( const QByteArray &data );
00256 
00266     static List allMimeTypes();
00267 
00275     static QString defaultMimeType();
00276 
00283     static KMimeType::Ptr defaultMimeTypePtr();
00284 
00286     bool isDefault() const;
00287 
00298     KDE_DEPRECATED QString parentMimeType() const;
00299 
00318     QStringList parentMimeTypes() const;
00319 
00330     QStringList allParentMimeTypes() const;
00331 
00338     bool is( const QString& mimeTypeName ) const;
00339 
00345     QString userSpecifiedIconName() const;
00346 
00358     QString mainExtension() const;
00359 
00365     static QString extractKnownExtension( const QString &fileName );
00366 
00377     static int sharedMimeInfoVersion();
00378 
00379 protected:
00380 
00381     friend class KMimeTypeFactory; // for KMimeType(QDataStream&,int)
00382     friend class KBuildMimeTypeFactory; // for KMimeType(QDataStream&,int), setUserSpecifiedIcon etc.
00383     friend class KMimeFileParser; // for addPattern and addMagicRule
00384 
00390     KMimeType( QDataStream& str, int offset );
00391 
00398     KMimeType( const QString& fullpath, const QString& name, const QString& comment );
00399 
00405     KMimeType( KMimeTypePrivate &dd);
00406 
00416     KMimeType( KMimeTypePrivate &dd, const QString& name, const QString& comment );
00417 
00418 private:
00420     void setPatterns(const QStringList& patterns);
00422     void internalClearData();
00424     void setUserSpecifiedIcon(const QString& icon);
00426     void setParentMimeType(const QString& parent);
00427     void loadInternal( QDataStream& _str);
00428     static void buildDefaultType();
00429     static void checkEssentialMimeTypes();
00430     static KMimeType::Ptr findByUrlHelper( const KUrl& url, mode_t mode,
00431                                            bool is_local_file, QIODevice* device, int* accuracy );
00432 };
00433 
00434 #endif

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