nedfilebuffer.h

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//==========================================================================
//  NEDFILEBUFFER.H - part of
//
//                     OMNeT++/OMNEST
//            Discrete System Simulation in C++
//
//==========================================================================

/*--------------------------------------------------------------*
  Copyright (C) 2002-2008 Andras Varga
  Copyright (C) 2006-2008 OpenSim Ltd.

  This file is distributed WITHOUT ANY WARRANTY. See the file
  `license' for details on this and other legal matters.
*--------------------------------------------------------------*/

#ifndef __NEDFILEBUFFER_H
#define __NEDFILEBUFFER_H

#include "nedparser.h"   // for YYLTYPE

NAMESPACE_BEGIN

class NEDXML_API NEDFileBuffer
{
  private:
    enum {COMMENT_LINE, BLANK_LINE, CODE_LINE};

    char *wholeFile;

    int numLines;
    char **lineBeg;

    char *end;
    char savedChar;

    char *commentBuf;
    int commentBufLen;

  private:
    int getLineType(int lineNumber);
    int getLineType(const char *s);
    bool lineContainsCode(const char *s);
    int getLineIndent(int lineNumber);
    int getLineIndent(const char *s);
    char *getPosition(int line, int column);

    bool indexLines();
    int topLineOfBannerComment(int li);
    char *stripComment(const char *s);

    YYLTYPE getFileCommentPos();
    YYLTYPE getBannerCommentPos(YYLTYPE pos);
    YYLTYPE getTrailingCommentPos(YYLTYPE pos);

  public:
    NEDFileBuffer();

    ~NEDFileBuffer();

    bool readFile(const char *filename);

    bool setData(const char *data);

    const char *get(YYLTYPE pos);

    const char *getFileComment();

    const char *getBannerComment(YYLTYPE pos);

    const char *getTrailingComment(YYLTYPE pos);

    const char *getNextInnerComment(YYLTYPE& pos);

    YYLTYPE getFullTextPos();

    const char *getFullText();

    void trimSpaceAndComments(YYLTYPE& pos);
};

NAMESPACE_END


#endif