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/*
rtf2html.h - A simple RTF Parser
Copyright (c) 2002 by Vladimir Shutoff <vovan@shutoff.ru> (original code)
Copyright (c) 2004 by Thiago S. Barcelos <barcelos@ime.usp.br> (Kopete port)
Kopete (c) 2002-2003 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* 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. *
* *
*************************************************************************
*/
#ifndef RTF2HTML_H
#define RTF2HTML_H
#include <qstring.h>
#include <stdio.h>
#include <qtextcodec.h>
#include <qcolor.h>
#include <qregexp.h>
#include <kdebug.h>
#include <vector>
#include <stack>
#include <string>
#include <stdarg.h>
using namespace std;
struct FontDef
{
int charset;
string taggedName;
string nonTaggedName;
};
class RTF2HTML;
enum TagEnum
{
TAG_ALL = 0,
TAG_FONT_SIZE,
TAG_FONT_COLOR,
TAG_FONT_FAMILY,
TAG_BG_COLOR,
TAG_BOLD,
TAG_ITALIC,
TAG_UNDERLINE
};
class ParStyle
{
public:
ParStyle() { dir = DirLTR; }
void clearFormatting();
public:
enum {DirLTR, DirRTL} dir;
};
class Level
{
public:
Level(RTF2HTML *_p);
Level(const Level&);
void setText(const char* str);
void setFontTbl() { m_bFontTbl = true; }
void setColors() { m_bColors = true; resetColors(); }
void setRed(unsigned char val) { setColor(val, &m_nRed); }
void setGreen(unsigned char val) { setColor(val, &m_nGreen); }
void setBlue(unsigned char val) { setColor(val, &m_nBlue); }
void setFont(unsigned nFont);
void setEncoding(unsigned nFont);
void setFontName();
void setFontColor(unsigned short color);
void setFontBgColor(unsigned short color);
void setFontSizeHalfPoints(unsigned short sizeInHalfPoints);
void setFontSize(unsigned short sizeInPoints);
void setBold(bool);
void setItalic(bool);
void setUnderline(bool);
void startParagraph();
bool isParagraphOpen() const;
void clearParagraphFormatting();
void setParagraphDirLTR();
void setParagraphDirRTL();
void addLineBreak();
void flush();
void reset();
void resetTag(TagEnum tag);
protected:
string text;
void Init();
RTF2HTML *p;
void resetColors() { m_nRed = m_nGreen = m_nBlue = 0; m_bColorInit = false; }
void setColor(unsigned char val, unsigned char *p)
{ *p = val; m_bColorInit=true; }
// Marks the position in m_tags where this level begun.
unsigned m_nTagsStartPos;
// True when parsing the fonts table
bool m_bFontTbl;
// True when parsing the colors table.
bool m_bColors;
// True when inside a 'fname' block.
bool m_bFontName;
// False until we get the tagged font name.
bool m_bTaggedFontNameOk;
unsigned char m_nRed;
unsigned char m_nGreen;
unsigned char m_nBlue;
bool m_bColorInit;
unsigned m_nFont; // 1-based
unsigned m_nEncoding;
unsigned m_nFontColor; // 1-based
unsigned m_nFontSize;
unsigned m_nFontBgColor; // 1-based
bool m_bBold;
bool m_bItalic;
bool m_bUnderline;
};
class OutTag
{
public:
OutTag(TagEnum _tag, unsigned _param) : tag(_tag), param(_param) {}
TagEnum tag;
unsigned param;
};
enum quoteMode
{
quoteHTML,
quoteXML,
quoteNOBR
};
class RTF2HTML
{
friend class Level;
public:
RTF2HTML();
QString Parse(const char *rtf, const char *encoding);
// Paragraph-specific functions:
QString quoteString(const QString &_str, quoteMode mode = quoteHTML);
// Appends a string with formatting into the paragraph buffer.
void PrintUnquoted(const char *str, ...);
// Quotes and appends a string to the paragraph buffer.
void PrintQuoted(const QString &str);
// Writes down the tags from oTags into the paragraph buffer.
void FlushOutTags();
// Retrieves the top not-yet-written tag.
OutTag* getTopOutTag(TagEnum tagType);
// Writes down the paragraph buffer and resets the paragraph state.
void FlushParagraph();
// Document-wide functions:
void PutTag(TagEnum n)
{
tags.push(n);
}
protected:
// Paragraph members
// True if the paragraph was opened explicitly.
bool bExplicitParagraph;
// The paragraph's HTML buffer.
QString sParagraph;
// Defines the paragraph's formatting.
ParStyle parStyle;
// Tags which weren't yet printed out.
vector<OutTag> oTags;
// Document members
// The document HTML buffer.
QString s;
// Fonts table.
vector<FontDef> fonts;
// Colors table.
vector<QColor> colors;
// Stack of tags (across all levels, not just current level)
stack<TagEnum> tags;
// RTF parser internals
const char *rtf_ptr;
const char *encoding;
Level cur_level;
stack<Level> levels;
};
#endif
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