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//-*-C++-*-
/*
**************************************************************************
description
--------------------
copyright : (C) 2003 by Luis Carvalho
email : [email protected]
**************************************************************************
**************************************************************************
* *
* 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. *
* *
**************************************************************************/
#ifndef PMLIBRARYHANDLE_H
#define PMLIBRARYHANDLE_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <tqstring.h>
#include <tqdict.h>
class TQDomElement;
/**
* Class that holds all the information about a specific library.
* The class can also create the library if it doesn't exists.
*
* A library is nothing more than a directory in the file system, and
* an index file stored in XML format.
*
* One library can have one or more sub-libraries. Sub-libraries can
* only contain the entries of object files and more sub-libraries.
*
*/
class PMLibraryHandle
{
public:
enum PMResult { Ok, CouldNotCreateDir, ExistingDir,
CouldNotCreateInfo, ReadOnlyLib,
CouldNotCreateFile, NotInLib };
/**
* Iterator for the objects in the library
*/
typedef TQDictIterator<TQString> EntryIterator;
/**
* Constructor for an empty library
*/
PMLibraryHandle( );
/**
* Constructor for a given directory.
*/
PMLibraryHandle( const TQString& path );
/**
* Destructor
*/
~PMLibraryHandle( );
/**
* Returns the library's name
*/
TQString name( ) const { return m_name; }
/**
* Returns the library's path
*/
TQString path( ) const { return m_path; }
/**
* Returns the library's author
*/
TQString author( ) const { return m_author; }
/**
* Returns the library's description
*/
TQString description( ) const { return m_description; }
/**
* Sets the library's name
*/
void setName( const TQString& name );
/**
* Sets the library's path
*/
void setPath( const TQString& path );
/**
* Sets the library's author
*/
void setAuthor( const TQString& author );
/**
* Sets the library's description
*/
void setDescription( const TQString& description );
/**
* Sets the library's erad only status
*/
void setReadOnly( const bool rdonly = true );
/**
* Save the library's information file.
*/
PMLibraryHandle::PMResult saveLibraryInfo( );
/**
* Create the library's information file.
*/
PMLibraryHandle::PMResult createLibrary( );
/**
* Append a new object to the library.
* Returns PMLibraryHandle::Ok if successful or the reason of failure.
*/
PMLibraryHandle::PMResult createNewObject( );
/**
* Adds an already existing object to the library
* @param path The path for the object
* @param name The name of the object
* @return PMLibraryHandle::Ok if successful or the reason of failure
*/
PMLibraryHandle::PMResult addObject( const TQString& path, const TQString& name );
/**
* Deletes an object out of the library. Only removes the entry from the library
* doesn't delete the objects file
* @param objectName The name of the object ( or objects path ) to delete
* @return PMLibraryHandle::Ok if successul or the reason of failure
*/
PMLibraryHandle::PMResult deleteObject( const TQString& objectName );
/**
* Create a new sub library.
*/
PMLibraryHandle::PMResult createNewSubLibrary( const TQString subLibName );
/**
* Adds an already existing sub-library to the library
* @param path The path for the sub library
* @param subLibName The name of the sub library
* @return PMLibraryHandle::Ok if successful or the reason of failure
*/
PMLibraryHandle::PMResult addSubLibrary( const TQString& path, const TQString& name );
/**
* Deletes a sub library. Only removes the entry from the library
* doesn't delete the objects file
* @param subLibName The name of the sub library ( or sub libraries path ) to delete
* @return PMLibraryHandle::Ok if successul or the reason of failure
*/
PMLibraryHandle::PMResult deleteSubLibrary( const TQString& subLibName );
/**
* Returns true if the library is set read-only
*/
bool isReadOnly( ) const { return m_readOnly; }
/**
* Returns an object iterator. It has to be deleted afterwards.
*/
PMLibraryHandle::EntryIterator* createObjectIterator( );
/**
* Returns a sub-library iterator. It has to be deleted afterwards.
*/
PMLibraryHandle::EntryIterator* createSubLibraryIterator( );
/**
* Returns true if the library is a sub library.
*/
bool isSubLibrary( ) const { return m_subLibrary; }
/**
* Changes the parent library if this is a sub library
* @param parentPath The new parent path for this library
* @return PMLibraryHandle::Ok if successful or the reason for failure
*/
PMLibraryHandle::PMResult changeParentLibrary( const TQString& parentPath );
private:
/**
* Makes the library a sub library.
*/
void setSubLibrary( bool isSubLibrary );
void loadLibraryInfo( );
TQString m_name;
TQString m_path;
TQString m_author;
TQString m_description;
bool m_readOnly;
bool m_subLibrary;
TQDict<TQString> m_objects;
TQDict<TQString> m_libraries;
};
#endif
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