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/*
* Copyright (c) 2004, Nate Nielsen
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * The names of contributors to this software may not be
* used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*
* CONTRIBUTORS
* Nate Nielsen <nielsen@memberwebs.com>
*
*/
#ifndef __RTFREADER_H__
#define __RTFREADER_H__
#include <string>
#include <stack>
using std::string;
using std::wstring;
class RtfReader;
class RtfHandler
{
public:
virtual void startDocument(RtfReader* reader) = 0;
virtual void endDocument() = 0;
virtual void controlWord(const string& cw, int flags, int param) = 0;
virtual void groupStart() = 0;
virtual void groupEnd() = 0;
virtual void charData(wstring data) = 0;
static const int kAsterisk;
static const int kHasParam;
static const int kIsEncoded;
};
class RtfReader
{
public:
RtfReader();
virtual ~RtfReader();
bool parse(string fileName);
bool parse(FILE* file);
void setHandler(RtfHandler* handler)
{ m_handler = handler; }
string getParseErrors() const
{ return m_parseErrors; }
int getDepth() const
{ return m_depth; }
void setHexParse(bool parse)
{ m_parseHex = parse; }
void setUnicode(bool unicode);
protected:
RtfHandler* m_handler;
int m_depth;
bool m_parseHex;
string m_parseErrors;
// Unicode handling
bool m_parseUnicode;
typedef std::stack<int> StackInt;
StackInt m_uniEatStack;
int m_uniEat;
private:
struct RtfContext
{
FILE* file;
bool isData;
wstring data;
};
bool parseControlWord(RtfContext& cx);
bool parseHexChar(RtfContext& cx, int num);
void sendControlWord(RtfContext& cx, string cw, int flags, int param);
void sendData(RtfContext& cx, wchar_t ch);
void sendData(RtfContext& cx, wstring data);
void emptyData(RtfContext& cx);
};
#endif // __RTFREADER_H__
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