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lib refactoring

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git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@4579 c8812cc2-4d05-0410-92ff-de0c093fc19c
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timlinux 2006-01-08 01:31:17 +00:00
parent 9d6224da96
commit be1d0346df
1 changed files with 0 additions and 76 deletions
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src/qgsprovidermetadata.h
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/***************************************************************************
qgsprovidermetadata.h - Metadata class for
describing a data provider.
-------------------
begin : Sat Jan 10 2004
copyright : (C) 2004 by Gary E.Sherman
email : sherman at mrcc.com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/* $Id$ */
#ifndef QGSPROVIDERMETADATA_H
#define QGSPROVIDERMETADATA_H
#include <qstring.h>
/** holds data provider key, description, and associated shared library file information
The metadata class is used in a lazy load implementation in
QgsProviderRegistry. To save memory, data providers are only actually
loaded via QLibrary calls if they're to be used. (Though they're all
iteratively loaded once to get their metadata information, and then
unloaded when the QgsProviderRegistry is created.) QgsProviderMetadata
supplies enough information to be able to later load the associated shared
library object.
*/
class QgsProviderMetadata
{
public:
QgsProviderMetadata(QString const & _key, QString const & _description, QString const & _library);
/** this returns the unique key associated with the provider
This key string is used for the associative container in QgsProviderRegistry
*/
QString const & key() const;
/** this returns descriptive text for the provider
This is used to provide a descriptive list of available data providers.
*/
QString const & description() const;
/** this returns the library file name
This is used to QLibrary calls to load the data provider.
*/
QString const & library() const;
private:
/// unique key for data provider
QString key_;
/// associated terse description
QString description_;
/// file path
QString library_;
}; // class QgsProviderMetadata
#endif //QGSPROVIDERMETADATA_H