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KIO

KFileMetaInfo Class Reference

#include <kfilemetainfo.h>

List of all members.


Detailed Description

KFileMetaInfo provides metadata extracted from a file or other resource.

When instantiating an instance of this class, the metadata related to it will be retrieved and stored in the instance. The data can be inspected through KFileMetaDataItem objects.

Definition at line 56 of file kfilemetainfo.h.


Public Types

enum  What {
  Fastest = 0x1, TechnicalInfo = 0x4, ContentInfo = 0x8, ExternalSources = 0x10,
  Thumbnail = 0x20, LinkedData = 0x80, Everything = 0xffff
}

Public Member Functions

bool applyChanges ()
KFileMetaInfoGroupList groups () const
bool isValid () const
const KFileMetaInfoItem & item (const QString &key) const
KFileMetaInfoItem & item (const QString &key)
const QHash< QString,
KFileMetaInfoItem > & 
items () const
QStringList keys () const
 KFileMetaInfo (const KFileMetaInfo &)
 KFileMetaInfo ()
 KFileMetaInfo (const KUrl &url)
 KFileMetaInfo (const QString &path, const QString &mimetype=QString(), WhatFlags w=Everything)
const KFileMetaInfo & operator= (KFileMetaInfo const &kfmi)
KFileMetaInfoGroupList preferredGroups () const
QStringList preferredKeys () const
KFileMetaInfoGroupList supportedGroups () const
QStringList supportedKeys () const
const KUrl & url () const
 ~KFileMetaInfo ()

Friends

QDataStream & operator<< (QDataStream &s, const KFileMetaInfo &)
QDataStream & operator>> (QDataStream &s, KFileMetaInfo &)

Member Enumeration Documentation

enum KFileMetaInfo::What

This is used to specify what a KFileMetaInfo object should read, so you can specify if you want to read "expensive" items or not.

This is like a preset which can be customized by passing additional parameters to constructors.

Enumerator:
Fastest  do the fastest possible read and omit all items that might need a significantly longer time than the others
TechnicalInfo  extract technical details about the file, like e.g.

play time, resolution or a compressioni type

ContentInfo  read information about the content of the file like comments or id3 tags
ExternalSources  read external metadata sources such as filesystem based extended attributes if they are supported for the filesystem; RDF storages etc
Thumbnail  only read the file's thumbnail, if it contains one
LinkedData 
Everything  read everything, even if it might take a while

Definition at line 64 of file kfilemetainfo.h.


Constructor & Destructor Documentation

KFileMetaInfo::KFileMetaInfo ( const QString &  path,
const QString &  mimetype = QString(),
WhatFlags  w = Everything 
) [explicit]

Construct a KFileMetaInfo that contains metainformation about the resource pointed to by path.

KFileMetaInfo::KFileMetaInfo ( const KUrl &  url  ) 

Construct a KFileMetaInfo that contains metainformation about the resource pointed to by url.

Definition at line 229 of file kfilemetainfo.cpp.

KFileMetaInfo::KFileMetaInfo (  ) 

Construct an empty, invalid KFileMetaInfo instance.

Definition at line 238 of file kfilemetainfo.cpp.

KFileMetaInfo::KFileMetaInfo ( const KFileMetaInfo &  k  ) 

Construct a KFileMetaInfo instance from another one.

Definition at line 240 of file kfilemetainfo.cpp.

KFileMetaInfo::~KFileMetaInfo (  ) 

Destructor.

Definition at line 247 of file kfilemetainfo.cpp.


Member Function Documentation

bool KFileMetaInfo::applyChanges (  ) 

Save the changes made to this KFileMetaInfo instance.

Definition at line 250 of file kfilemetainfo.cpp.

KFileMetaInfoGroupList KFileMetaInfo::groups (  )  const

bool KFileMetaInfo::isValid (  )  const

Definition at line 292 of file kfilemetainfo.cpp.

const KFileMetaInfoItem & KFileMetaInfo::item ( const QString &  key  )  const

Definition at line 279 of file kfilemetainfo.cpp.

KFileMetaInfoItem & KFileMetaInfo::item ( const QString &  key  ) 

Definition at line 288 of file kfilemetainfo.cpp.

const QHash< QString, KFileMetaInfoItem > & KFileMetaInfo::items (  )  const

Retrieve all the items.

Definition at line 275 of file kfilemetainfo.cpp.

QStringList KFileMetaInfo::keys (  )  const

Definition at line 284 of file kfilemetainfo.cpp.

const KFileMetaInfo & KFileMetaInfo::operator= ( KFileMetaInfo const &  kfmi  ) 

Copy a KFileMetaInfo instance from another one.

Definition at line 243 of file kfilemetainfo.cpp.

KFileMetaInfoGroupList KFileMetaInfo::preferredGroups (  )  const

Deprecated.

Definition at line 299 of file kfilemetainfo.cpp.

QStringList KFileMetaInfo::preferredKeys (  )  const

Deprecated.

Definition at line 295 of file kfilemetainfo.cpp.

KFileMetaInfoGroupList KFileMetaInfo::supportedGroups (  )  const

Deprecated.

Definition at line 303 of file kfilemetainfo.cpp.

QStringList KFileMetaInfo::supportedKeys (  )  const

Deprecated.

Definition at line 296 of file kfilemetainfo.cpp.

const KUrl & KFileMetaInfo::url (  )  const

Definition at line 271 of file kfilemetainfo.cpp.


Friends And Related Function Documentation

QDataStream& operator<< ( QDataStream &  s,
const KFileMetaInfo &   
) [friend]

Definition at line 48 of file kfilemetainfo.cpp.

QDataStream& operator>> ( QDataStream &  s,
KFileMetaInfo &   
) [friend]

Definition at line 45 of file kfilemetainfo.cpp.


The documentation for this class was generated from the following files:
  • kfilemetainfo.h
  • kfilemetainfo.cpp

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