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/* AbiSource Program Utilities
*
* Copyright (C) 2005 Daniel d'Andrada T. de Carvalho
* <daniel.carvalho@indt.org.br>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
#ifndef _ODI_ELEMENTSTACK_H_
#define _ODI_ELEMENTSTACK_H_
// AbiWord includes
#include <ut_types.h>
#include <ut_vector.h>
// Internal classes
class ODi_StartTag;
/**
* This class stores info about the parent elements of the current element being
* parsed.
*
* Example:
*
* If you are parsing the <style:footnote-sep/> element, this class will hold
* info about its parents. On this case: <style:page-layout-properties>,
* <style:page-layout> and <office:automatic-styles>.
*
* <office:automatic-styles>
* <style:page-layout>
* <style:page-layout-properties>
* <style:footnote-sep/>
* </style:page-layout-properties>
* </style:page-layout>
* </office:automatic-styles>
*
*
* When parsing a start element tag, level 0 is the parent element.
*
* When parsing a start element tag, level 0 is its own element, with level 1
* being the parent and so on.
*
*/
class ODi_ElementStack {
public:
ODi_ElementStack();
~ODi_ElementStack();
/**
* @param level 0 is the immediate parent, 1 is the parent of the parent
* and so on.
*
* On the startElement method, level 0 is the parent start tag.
* On the endElement method, level 0 is the corresponding start tag.
*/
const ODi_StartTag* getStartTag(UT_sint32 level);
bool hasElement(const gchar* pName) const;
/**
* Returns the level of the closest element with the given name.
*/
UT_sint32 getElementLevel(const gchar* pName) const;
/**
* Returns the closest parent with the given name. It returns NULL if there
* is no parent with the given name.
*
* @param pName Element name.
* @param fromLevel The level from which the search begins.
*/
const ODi_StartTag* getClosestElement(const gchar* pName,
UT_sint32 fromLevel = 0) const;
void startElement (const gchar* pName, const gchar** ppAtts);
void endElement (const gchar* pName);
bool isEmpty() const {return m_stackSize==0;}
void clear() {m_stackSize = 0;}
UT_sint32 getStackSize() const {return m_stackSize;}
private:
UT_GenericVector <ODi_StartTag*>* m_pStartTags;
UT_sint32 m_stackSize;
};
#endif //_ODI_ELEMENTSTACK_H_
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