Q3MimeSourceFactory Class Reference
[Qt3Support module]

const QMimeSource * Q3MimeSourceFactory::data ( const QString & abs_name ) const   [virtual]

Returns a reference to the data associated with abs_name. The return value remains valid only until the next data() or setData() call, so you should immediately decode the result.

If there is no data associated with abs_name in the factory's store, the factory tries to access the local filesystem. If abs_name isn't an absolute file name, the factory will search for it in all defined paths (see setFilePath()).

The factory understands all the image formats supported by QImageReader. Any other mime types are determined by the file name extension. The default settings are

 setExtensionType("html", "text/html;charset=iso8859-1");
 setExtensionType("htm", "text/html;charset=iso8859-1");
 setExtensionType("txt", "text/plain");
 setExtensionType("xml", "text/xml;charset=UTF-8");

The effect of these is that file names ending in "txt" will be treated as text encoded in the local encoding; those ending in "xml" will be treated as text encoded in Unicode UTF-8 encoding. The text/html type is treated specially, since the encoding can be specified in the html file itself. "html" or "htm" will be treated as text encoded in the encoding specified by the html meta tag, if none could be found, the charset of the mime type will be used. The text subtype ("html", "plain", or "xml") does not affect the factory, but users of the factory may behave differently. We recommend creating "xml" files where practical. These files can be viewed regardless of the runtime encoding and can encode any Unicode characters without resorting to encoding definitions inside the file.

Any file data that is not recognized will be retrieved as a QMimeSource providing the "application/octet-stream" mime type, meaning uninterpreted binary data.

You can add further extensions or change existing ones with subsequent calls to setExtensionType(). If the extension mechanism is not sufficient for your problem domain, you can inherit Q3MimeSourceFactory and reimplement this function to perform some more specialized mime-type detection. The same applies if you want to use the mime source factory to access URL referenced data over a network.

See also setData().

const QMimeSource * Q3MimeSourceFactory::data ( const QString & abs_or_rel_name, const QString & context ) const

This is an overloaded function.

A convenience function. See data(const QString& abs_name). The file name is given in abs_or_rel_name and the path is in context.