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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* libvisio
* Version: MPL 1.1 / GPLv2+ / LGPLv2+
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License or as specified alternatively below. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Major Contributor(s):
* Copyright (C) 2011 Fridrich Strba <fridrich.strba@bluewin.ch>
* Copyright (C) 2011 Eilidh McAdam <tibbylickle@gmail.com>
*
*
* All Rights Reserved.
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPLv2+"), or
* the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"),
* in which case the provisions of the GPLv2+ or the LGPLv2+ are applicable
* instead of those above.
*/
#ifndef __VSDPARSER_H__
#define __VSDPARSER_H__
#include <stdio.h>
#include <iostream>
#include <vector>
#include <stack>
#include <map>
#include <libwpd/libwpd.h>
#include <libwpd-stream/libwpd-stream.h>
#include <libwpg/libwpg.h>
#include "VSDTypes.h"
#include "VSDGeometryList.h"
#include "VSDFieldList.h"
#include "VSDCharacterList.h"
#include "VSDParagraphList.h"
#include "VSDShapeList.h"
#include "VSDStencils.h"
namespace libvisio
{
class VSDCollector;
struct Pointer
{
Pointer()
: Type(0), Offset(0), Length(0), Format(0), ListSize(0) {}
Pointer(const Pointer &ptr)
: Type(ptr.Type), Offset(ptr.Offset), Length(ptr.Length), Format(ptr.Format), ListSize(ptr.ListSize) {}
unsigned Type;
unsigned Offset;
unsigned Length;
unsigned short Format;
unsigned ListSize;
};
class VSDParser
{
public:
explicit VSDParser(WPXInputStream *input, libwpg::WPGPaintInterface *painter);
virtual ~VSDParser();
bool parseMain();
bool extractStencils();
protected:
// reader functions
void readEllipticalArcTo(WPXInputStream *input);
void readForeignData(WPXInputStream *input);
void readEllipse(WPXInputStream *input);
virtual void readLine(WPXInputStream *input);
virtual void readFillAndShadow(WPXInputStream *input);
virtual void readGeomList(WPXInputStream *input);
void readGeometry(WPXInputStream *input);
void readMoveTo(WPXInputStream *input);
void readLineTo(WPXInputStream *input);
void readArcTo(WPXInputStream *input);
void readNURBSTo(WPXInputStream *input);
void readPolylineTo(WPXInputStream *input);
void readInfiniteLine(WPXInputStream *input);
void readShapeData(WPXInputStream *input);
void readXFormData(WPXInputStream *input);
void readTxtXForm(WPXInputStream *input);
void readShapeId(WPXInputStream *input);
virtual void readShapeList(WPXInputStream *input);
void readForeignDataType(WPXInputStream *input);
void readPageProps(WPXInputStream *input);
virtual void readShape(WPXInputStream *input);
void readColours(WPXInputStream *input);
void readFont(WPXInputStream *input);
void readFontIX(WPXInputStream *input);
virtual void readCharList(WPXInputStream *input);
virtual void readParaList(WPXInputStream *input);
virtual void readPropList(WPXInputStream *input);
virtual void readPage(WPXInputStream *input);
virtual void readText(WPXInputStream *input);
virtual void readCharIX(WPXInputStream *input);
virtual void readParaIX(WPXInputStream *input);
virtual void readTextBlock(WPXInputStream *input);
void readNameList(WPXInputStream *input);
virtual void readName(WPXInputStream *input);
virtual void readNameList2(WPXInputStream *input);
virtual void readName2(WPXInputStream *input);
virtual void readFieldList(WPXInputStream *input);
virtual void readTextField(WPXInputStream *input);
virtual void readStyleSheet(WPXInputStream *input);
void readPageSheet(WPXInputStream *input);
void readSplineStart(WPXInputStream *input);
void readSplineKnot(WPXInputStream *input);
void readStencilShape(WPXInputStream *input);
void readOLEList(WPXInputStream *input);
void readOLEData(WPXInputStream *input);
virtual void readNameIDX(WPXInputStream *input);
// parser of one pass
bool parseDocument(WPXInputStream *input, unsigned shift);
// Stream handlers
void handleStreams(WPXInputStream *input, unsigned ptrType, unsigned shift, unsigned level);
void handleStream(const Pointer &ptr, unsigned idx, unsigned level);
void handleChunks(WPXInputStream *input, unsigned level);
void handleChunk(WPXInputStream *input);
void handleBlob(WPXInputStream *input, unsigned shift, unsigned level);
virtual void readPointer(WPXInputStream *input, Pointer &ptr);
virtual void readPointerInfo(WPXInputStream *input, unsigned ptrType, unsigned shift, unsigned &listSize, int &pointerCount);
virtual bool getChunkHeader(WPXInputStream *input);
void _handleLevelChange(unsigned level);
Colour _colourFromIndex(unsigned idx);
void _flushShape();
void _nameFromId(VSDName &name, unsigned id, unsigned level);
virtual unsigned getUInt(WPXInputStream *input);
virtual int getInt(WPXInputStream *input);
WPXInputStream *m_input;
libwpg::WPGPaintInterface *m_painter;
ChunkHeader m_header;
VSDCollector *m_collector;
VSDShapeList m_shapeList;
unsigned m_currentLevel;
VSDStencils m_stencils;
VSDStencil *m_currentStencil;
VSDShape m_shape;
bool m_isStencilStarted;
bool m_isInStyles;
unsigned m_currentShapeLevel;
unsigned m_currentShapeID;
bool m_extractStencils;
std::vector<Colour> m_colours;
bool m_isBackgroundPage;
bool m_isShapeStarted;
double m_shadowOffsetX;
double m_shadowOffsetY;
VSDGeometryList *m_currentGeometryList;
unsigned m_currentGeomListCount;
std::map<unsigned, VSDName> m_fonts;
std::map<unsigned, VSDName> m_names;
std::map<unsigned, std::map<unsigned, VSDName> > m_namesMapMap;
VSDName m_currentPageName;
private:
VSDParser();
VSDParser(const VSDParser &);
VSDParser &operator=(const VSDParser &);
};
} // namespace libvisio
#endif // __VSDPARSER_H__
/* vim:set shiftwidth=2 softtabstop=2 expandtab: */
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