skin_parser.hpp

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00001 /*****************************************************************************
00002  * skin_parser.hpp
00003  *****************************************************************************
00004  * Copyright (C) 2004 the VideoLAN team
00005  * $Id: 4d6ab63a68ac82aafcc54c191b70f18a1ab57578 $
00006  *
00007  * Authors: Cyril Deguet     <asmax@via.ecp.fr>
00008  *
00009  * This program is free software; you can redistribute it and/or modify
00010  * it under the terms of the GNU General Public License as published by
00011  * the Free Software Foundation; either version 2 of the License, or
00012  * (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License along
00020  * with this program; if not, write to the Free Software Foundation, Inc.,
00021  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
00022  *****************************************************************************/
00023 
00024 #ifndef SKIN_PARSER_HPP
00025 #define SKIN_PARSER_HPP
00026 
00027 #include "xmlparser.hpp"
00028 #include "builder_data.hpp"
00029 #include <set>
00030 
00031 
00032 /// Parser for the skin DTD
00033 class SkinParser: public XMLParser
00034 {
00035 public:
00036     SkinParser( intf_thread_t *pIntf, const string &rFileName,
00037                 const string &rPath, bool useDTD = true,
00038                 BuilderData *pData = NULL );
00039     virtual ~SkinParser();
00040 
00041     const BuilderData &getData() const { return *m_pData; }
00042 
00043     static int convertColor( const char *transcolor );
00044 
00045 private:
00046     /// Path of the theme
00047     const string m_path;
00048     /// Container for mapping data from the XML
00049     BuilderData *m_pData;
00050     /// Indicate whether the class owns the data
00051     bool m_ownData;
00052     /// Current IDs
00053     string m_curBitmapId;
00054     string m_curWindowId;
00055     string m_curLayoutId;
00056     string m_curPopupId;
00057     string m_curListId;
00058     string m_curTreeId;
00059     /// Current position of menu items in the popups
00060     list<int> m_popupPosList;
00061     /// Current offset of the controls
00062     int m_xOffset, m_yOffset;
00063     list<int> m_xOffsetList, m_yOffsetList;
00064     /// Stack of panel ids
00065     list<string> m_panelStack;
00066     /// Layer of the current control in the layout
00067     int m_curLayer;
00068     /// Set of used id
00069     set<string> m_idSet;
00070 
00071     /// Callbacks
00072     virtual void handleBeginElement( const string &rName,
00073                                      AttrList_t &attr );
00074     virtual void handleEndElement( const string &rName );
00075 
00076     /// Helper functions
00077     //@{
00078     bool convertBoolean( const char *value ) const;
00079     /// Transform to int, and check that it is in the given range (if not,
00080     /// the closest range boundary will be used)
00081     int convertInRange( const char *value, int minValue, int maxValue,
00082                         const string &rAttribute ) const;
00083     //@}
00084 
00085     /// Generate a new id
00086     const string generateId() const;
00087 
00088     /// Check if the id is unique, and if not generate a new one
00089     const string uniqueId( const string &id );
00090 
00091     /// Helper for handleBeginElement: Provide default attribute if missing.
00092     static void DefaultAttr( AttrList_t &attr, const char *a, const char *b )
00093     {
00094         if( attr.find(a) == attr.end() ) attr[strdup(a)] = strdup(b);
00095     }
00096     /// Helper for handleBeginElement: Complain if a named attribute is missing.
00097     bool MissingAttr( AttrList_t &attr, const string &name, const char *a );
00098 
00099 };
00100 
00101 #endif

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