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-/*
- * Copyright (c) 2004, Nate Nielsen
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the
- * following disclaimer.
- * * Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions and
- * the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- * * The names of contributors to this software may not be
- * used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
- * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- *
- * CONTRIBUTORS
- * Nate Nielsen <nielsen@memberwebs.com>
- *
- */
-
-#ifndef __XMLCOMPOSEHELPERS_H__
-#define __XMLCOMPOSEHELPERS_H__
-
-#include "usuals.h"
-#include "reference.h"
-#include "sablo.h"
-#include "rtfformatting.h"
-
-class XmlComposer;
-
-/*
- * Destination
- *
- * A destination is a small class that handles the character data found
- * in the RTF document. Depending on the current context in the RTF
- * different destinations are used.
- */
-class Destination :
- public Instance
-{
-public:
- // This is called when the Destination is first used
- virtual void initialize() {};
- // Called when data arrives at destination
- virtual void charData(wstring data) {};
- // Called when the Destination goes out of scope
- virtual void done() {};
-
-protected:
- XmlComposer* m_composer;
- friend class XmlComposer;
-};
-
-/*
- * Analyser
- *
- * An analyser is a small class that handles the RTF control words.
- * Depending on the current context in the RTF different analysers
- * are used.
- */
-class Analyser :
- public Instance
-{
-public:
- // This is called when the Analyser is first used
- virtual void initialize() {};
- // Called when a control word is seen
- virtual void controlWord(const string& cw, int flags, int param) {};
- // Called when a group is seen within this scope
- virtual void groupStart() {};
- // Called when a group ends within this scope
- virtual void groupEnd() {};
- // Called when when this analyser goes out of scope
- virtual void done() {};
-
-protected:
- XmlComposer* m_composer;
- friend class XmlComposer;
-};
-
-class Level;
-
-// Reference counted pointers
-typedef Reference<Destination> DestinationPtr;
-typedef Reference<Analyser> AnalyserPtr;
-typedef Reference<Level> LevelPtr;
-
-/*
- * Level
- *
- * A level is a combination of a Destination, Analyser, XML Element and
- * some other options. They're used in a stack to push and pop these as
- * RTF groups are found.
- *
- * About the stack:
- * Not each level has it's own options. If a certain option isn't found
- * in the current level the previous one is looked up. That's what all
- * the 'deep' stuff is about below:
- *
- * get* methods:
- * When 'deep' is set look to previous levels for the given object if not
- * found at the current level. When not set returns object in current level
- * or null when none exists here.
- *
- * set* methods:
- * When 'deep' is set then replace the object currently being used at it's
- * own level. So if get* would return an object from a previous level, with
- * deep set to true it would replace that object in the given level. When
- * not set, then the object is set in the current level.
- */
-class Level :
- public Instance
-{
-public:
- Level();
- virtual ~Level();
-
- LevelPtr getPrevious();
- LevelPtr pushLevel();
-
- // The current XML Element
- DOM::Element getElement(bool deep = true);
- void setElement(DOM::Element element, bool deep = false);
-
- // The current Analyser
- AnalyserPtr getAnalyser(bool deep = true);
- void setAnalyser(AnalyserPtr analyser, bool deep = false);
-
- // The current Destination
- DestinationPtr getDestination(bool deep = true);
- void setDestination(DestinationPtr destination, bool deep = false);
-
- // The current formatting options
- RtfFormatting& getFormatting();
- void setTextProperties(RtfFormatting& textProperties);
-
-protected:
-
- // Constructor for stacking levels
- Level(const Level& level);
-
- LevelPtr m_previous; // The previous level
- DOM::Element m_element; // XML Element for this level
- RtfFormatting m_text; // Formatting options for this level
- DestinationPtr m_destination; // Destination for this level
- AnalyserPtr m_analyser; // Analyser for this level
-};
-
-#endif //__XMLCOMPOSEHELPERS_H__