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/*
* Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com>
*
* 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.
*/
/*
* Information about Palm Markup Language was taken from next sources:
* http://www.m.ereader.com/ereader/help/dropbook/pml.htm
* http://ccit205.wikispaces.com/Palm+Markup+Language+(PML)
*/
#ifndef __PMLREADER_H__
#define __PMLREADER_H__
#include <string>
#include <ZLEncodingConverter.h>
#include <ZLTextAlignmentType.h>
#include "../EncodedTextReader.h"
#include "../../bookmodel/FBTextKind.h"
class ZLInputStream;
class PmlReader : public EncodedTextReader {
public:
virtual bool readDocument(ZLInputStream &stream);
protected:
PmlReader(const std::string &encoding);
virtual ~PmlReader();
protected:
enum FontProperty {
FONT_BOLD,
FONT_ITALIC,
FONT_UNDERLINED,
FONT_SUBSCRIPT,
FONT_SUPERSCRIPT
};
enum FontSizeType {
NORMAL,
SMALLER,
LARGER
};
virtual void addCharData(const char *data, std::size_t len, bool convert) = 0;
virtual void addLink(FBTextKind kind, const std::string &id, bool on) = 0;
virtual void addLinkLabel(const std::string &label) = 0;
virtual void addImageReference(const std::string &id) = 0;
virtual void setFontSize() = 0;
virtual void switchFontProperty(FontProperty property) = 0;
virtual void newLine() = 0;
virtual void newPage() = 0;
virtual void newParagraph() = 0;
void interrupt();
private:
bool parseDocument(ZLInputStream &stream);
void processTag(std::string &tagName, const std::string ¶meter = ourDefaultParameter);
void processCharData(const char* data, std::size_t len, bool convert = true);
void processFontProperty(FontProperty property);
void processAlignment(ZLTextAlignmentType alignment);
void processFontSize(FontSizeType sizeType);
void processIndent(const std::string ¶meter =ourDefaultParameter);
void processLink(FBTextKind kind, const std::string ¶meter);
static std::size_t findTagLength(const char* ptr);
protected:
struct PmlReaderState {
bool Bold;
bool Italic;
bool Underlined;
bool SmallCaps;
bool Subscript;
bool Superscript;
ZLTextAlignmentType Alignment;
FontSizeType FontSize;
unsigned short Indent;
bool IndentBlockOn;
bool BoldBlockOn;
bool FootnoteLinkOn;
bool InternalLinkOn;
bool InvisibleText;
};
PmlReaderState myState;
private:
char* myStreamBuffer;
bool myIsInterrupted;
const static std::string ourDefaultParameter;
};
#endif /* __PMLREADER_H__ */
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