parserintf.h

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/******************************************************************************
 *
 * $Id: parserintf.h,v 1.15 2001/03/19 19:27:41 root Exp $
 *
 * Copyright (C) 1997-2008 by Dimitri van Heesch.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation under the terms of the GNU General Public License is hereby 
 * granted. No representations are made about the suitability of this software 
 * for any purpose. It is provided "as is" without express or implied warranty.
 * See the GNU General Public License for more details.
 *
 * Documents produced by Doxygen are derivative works derived from the
 * input used in their production; they are not affected by this license.
 *
 */

#ifndef PARSERINTF_H
#define PARSERINTF_H

#include <qdict.h>

class Entry;
class FileDef;
class CodeOutputInterface;
class MemberDef;

class ParserInterface
{
  public:
    virtual ~ParserInterface() {}
    virtual void parseInput(const char *fileName,
                            const char *fileBuf,
                            Entry *root) = 0;

    virtual bool needsPreprocessing(const QCString &extension) = 0;
    
    virtual void parseCode(CodeOutputInterface &codeOutIntf,
                           const char *scopeName,
                           const QCString &input,
                           bool isExampleBlock,
                           const char *exampleName=0,
                           FileDef *fileDef=0,
                           int startLine=-1,
                           int endLine=-1,
                           bool inlineFragment=FALSE,
                           MemberDef *memberDef=0
                          ) = 0;

    virtual void resetCodeParserState() = 0;

    virtual void parsePrototype(const char *text) = 0;

};

//-----------------------------------------------------------------------------

class ParserManager
{
  public:
    ParserManager(ParserInterface *defaultParser)
      : m_defaultParser(defaultParser) { m_parsers.setAutoDelete(TRUE); }

    void registerParser(const char *extension,ParserInterface *parser)
    {
      m_parsers.insert(extension,parser);
    }

    ParserInterface *getParser(const char *extension)
    {
      if (extension==0) return m_defaultParser;
      QCString ext = QCString(extension).lower();
      ParserInterface *intf = m_parsers.find(ext);
      if (intf==0 && ext.length()>4)
      {
        intf = m_parsers.find(ext.left(4));
      }
      return intf ? intf : m_defaultParser;
    }

  private:
    QDict<ParserInterface> m_parsers;
    ParserInterface *m_defaultParser;
};

#endif

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