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/*
* Copyright (C) 2004-2012 Geometer Plus <[email protected]>
*
* 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 __RTFREADER_H__
#define __RTFREADER_H__
#include <string>
#include <map>
#include <stack>
#include <ZLMimeType.h>
#include <ZLEncodingConverter.h>
#include <ZLTextAlignmentType.h>
#include "../EncodedTextReader.h"
class ZLFile;
class ZLInputStream;
class RtfCommand;
class RtfReader : public EncodedTextReader {
private:
static void fillKeywordMap();
static void addAction(const std::string &tag, RtfCommand *command);
private:
static std::map<std::string, RtfCommand*> ourKeywordMap;
protected:
RtfReader(const std::string &encoding);
virtual ~RtfReader();
public:
virtual bool readDocument(const ZLFile &file);
protected:
enum DestinationType {
DESTINATION_NONE,
DESTINATION_SKIP,
DESTINATION_INFO,
DESTINATION_TITLE,
DESTINATION_AUTHOR,
DESTINATION_PICTURE,
DESTINATION_STYLESHEET,
DESTINATION_FOOTNOTE,
};
enum FontProperty {
FONT_BOLD,
FONT_ITALIC,
FONT_UNDERLINED
};
virtual void addCharData(const char *data, std::size_t len, bool convert) = 0;
virtual void insertImage(shared_ptr<ZLMimeType> mimeType, const std::string &fileName, std::size_t startOffset, std::size_t size) = 0;
virtual void setEncoding(int code) = 0;
virtual void switchDestination(DestinationType destination, bool on) = 0;
virtual void setAlignment() = 0;
virtual void setFontProperty(FontProperty property) = 0;
virtual void newParagraph() = 0;
void interrupt();
private:
bool parseDocument();
void processKeyword(const std::string &keyword, int *parameter = 0);
void processCharData(const char *data, std::size_t len, bool convert = true);
protected:
struct RtfReaderState {
bool Bold;
bool Italic;
bool Underlined;
ZLTextAlignmentType Alignment;
DestinationType Destination;
bool ReadDataAsHex;
};
RtfReaderState myState;
private:
bool mySpecialMode;
std::string myFileName;
shared_ptr<ZLInputStream> myStream;
char *myStreamBuffer;
std::stack<RtfReaderState> myStateStack;
int myBinaryDataSize;
shared_ptr<ZLMimeType> myNextImageMimeType;
int myIsInterrupted;
friend class RtfNewParagraphCommand;
friend class RtfFontPropertyCommand;
friend class RtfAlignmentCommand;
friend class RtfCharCommand;
friend class RtfDestinationCommand;
friend class RtfStyleCommand;
friend class RtfSpecialCommand;
friend class RtfPictureCommand;
friend class RtfFontResetCommand;
friend class RtfCodepageCommand;
};
class RtfCommand {
protected:
virtual ~RtfCommand();
public:
virtual void run(RtfReader &reader, int *parameter) const = 0;
};
class RtfDummyCommand : public RtfCommand {
public:
void run(RtfReader &reader, int *parameter) const;
};
class RtfNewParagraphCommand : public RtfCommand {
public:
void run(RtfReader &reader, int *parameter) const;
};
class RtfFontPropertyCommand : public RtfCommand {
public:
RtfFontPropertyCommand(RtfReader::FontProperty property);
void run(RtfReader &reader, int *parameter) const;
private:
RtfReader::FontProperty myProperty;
};
class RtfAlignmentCommand : public RtfCommand {
public:
RtfAlignmentCommand(ZLTextAlignmentType alignment);
void run(RtfReader &reader, int *parameter) const;
private:
ZLTextAlignmentType myAlignment;
};
class RtfCharCommand : public RtfCommand {
public:
RtfCharCommand(const std::string &chr);
void run(RtfReader &reader, int *parameter) const;
private:
std::string myChar;
};
class RtfDestinationCommand : public RtfCommand {
public:
RtfDestinationCommand(RtfReader::DestinationType dest);
void run(RtfReader &reader, int *parameter) const;
private:
RtfReader::DestinationType myDestination;
};
class RtfStyleCommand : public RtfCommand {
public:
void run(RtfReader &reader, int *parameter) const;
};
class RtfSpecialCommand : public RtfCommand {
void run(RtfReader &reader, int *parameter) const;
};
class RtfPictureCommand : public RtfCommand {
public:
RtfPictureCommand(shared_ptr<ZLMimeType> mimeType);
void run(RtfReader &reader, int *parameter) const;
private:
const shared_ptr<ZLMimeType> myMimeType;
};
class RtfFontResetCommand : public RtfCommand {
public:
void run(RtfReader &reader, int *parameter) const;
};
class RtfCodepageCommand : public RtfCommand {
public:
void run(RtfReader &reader, int *parameter) const;
};
#endif /* __RTFREADER_H__ */
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