412 lines
9.2 KiB
C++
412 lines
9.2 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: gi_parse.cxx,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: rt $ $Date: 2005-09-08 07:24:26 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#include <gi_parse.hxx>
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#include <stdio.h>
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#include <string.h>
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#include <fstream>
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#include <gilacces.hxx>
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using namespace std;
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const char * C_sLineEnd = "\r\n";
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inline void
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WriteStr( ostream & o_rOut, const Simstr & i_rStr )
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{
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o_rOut.write( i_rStr.str(), i_rStr.l() );
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}
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inline void
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WriteStr( ostream & o_rOut, const char * i_rStr )
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{
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o_rOut.write( i_rStr, strlen(i_rStr) );
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}
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inline void
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GenericInfo_Parser::SetError( E_Error i_eError )
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{
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eErrorCode = i_eError;
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nErrorLine = nCurLine;
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}
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GenericInfo_Parser::GenericInfo_Parser()
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: sCurParsePosition(""),
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nCurLine(0),
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nLevel(0),
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bGoon(false),
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// sCurComment,
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eErrorCode(ok),
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nErrorLine(0),
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pResult(0),
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pResource(0)
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{
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}
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GenericInfo_Parser::~GenericInfo_Parser()
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{
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}
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bool
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GenericInfo_Parser::LoadList( GenericInfoList_Builder & o_rResult,
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const Simstr & i_sSourceFileName )
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{
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ifstream aFile( i_sSourceFileName.str() );
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if ( aFile.fail() )
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{
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SetError(cannot_open);
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return false;
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}
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aFile.seekg(0, ios::end);
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UINT32 nTextSize = aFile.tellg();
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if ( nTextSize == 0 || nTextSize == UINT32(-1) )
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return true;
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dpBuffer = new char[nTextSize+2];
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aFile.seekg(0);
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aFile.read( dpBuffer, nTextSize );
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aFile.close();
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sFilePtr = dpBuffer;
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char * sLastChar = dpBuffer + nTextSize - 1;
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while ( sFilePtr != sLastChar && *sFilePtr <= 32 )
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++sCurParsePosition;
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if ( sFilePtr == sLastChar )
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{
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if ( *sFilePtr <= 32 )
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return true;
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}
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else while ( *sLastChar <= 32 )
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{
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--sLastChar;
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}
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*(sLastChar+1) = '\n';
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*(sLastChar+2) = '\0';
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ResetState(o_rResult);
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for ( ReadLine(); bGoon; ReadLine() )
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{
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bool bOk = InterpretLine();
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if ( !bOk)
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{
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SetError(syntax_error);
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break;
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}
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}
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if ( nLevel > 0 && eErrorCode == ok)
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{
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SetError(unexpected_eof);
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}
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else if ( nLevel < 0 )
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{
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SetError(unexpected_list_end);
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}
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delete [] dpBuffer;
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dpBuffer = 0;
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sFilePtr = 0;
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return eErrorCode == ok;
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}
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bool
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GenericInfo_Parser::SaveList( const Simstr & i_rOutputFile,
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GenericInfoList_Browser & io_rListBrowser )
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{
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ofstream aFile( i_rOutputFile.str() );
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if ( aFile.fail() )
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{
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SetError(cannot_open);
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return false;
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}
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ResetState(io_rListBrowser);
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WriteList(aFile);
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aFile.close();
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return eErrorCode == ok;
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}
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void
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GenericInfo_Parser::ResetState( GenericInfoList_Builder & io_rResult )
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{
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sCurParsePosition = "";
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nCurLine = 0;
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nLevel = 0;
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bGoon = true;
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sCurComment = "";
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eErrorCode = ok;
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nErrorLine = 0;
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pResult = &io_rResult;
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pResource = 0;
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}
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void
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GenericInfo_Parser::ResetState( GenericInfoList_Browser & io_rSrc )
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{
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sCurParsePosition = "";
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nCurLine = 0;
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nLevel = 0;
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bGoon = false;
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sCurComment = "";
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eErrorCode = ok;
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nErrorLine = 0;
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pResult = 0;
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pResource = &io_rSrc;
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}
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void
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GenericInfo_Parser::ReadLine()
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{
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if ( *sFilePtr == '\0' ) // See initialising of dpBuffer and sLastChar in LoadList().
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{
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bGoon = false;
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return;
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}
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sCurParsePosition = sFilePtr;
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while ( *sFilePtr != '\n' )
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++sFilePtr;
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nCurLine++;
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// Remove leading and trailing whitespace from line:
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while ( sCurParsePosition != sFilePtr && *sCurParsePosition <= 32 )
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++sCurParsePosition;
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char * sEndOfLine = sFilePtr;
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while ( sEndOfLine != sCurParsePosition && *sEndOfLine <= 32 )
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--sEndOfLine;
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if ( sCurParsePosition != sEndOfLine || *sCurParsePosition > 32 )
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++sEndOfLine;
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*sEndOfLine = '\0';
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++sFilePtr; // Go beyond line end to first character of next line.
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}
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bool
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GenericInfo_Parser::InterpretLine()
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{
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switch ( ClassifyLine() )
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{
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case lt_key: ReadKey();
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break;
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case lt_open_list: PushLevel_Read();
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break;
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case lt_close_list: PopLevel_Read();
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break;
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case lt_comment: AddCurLine2CurComment();
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break;
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case lt_empty: AddCurLine2CurComment();
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break;
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default:
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return false;
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}
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return true;
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}
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GenericInfo_Parser::E_LineType
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GenericInfo_Parser::ClassifyLine()
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{
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switch ( *sCurParsePosition )
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{
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case '{': return lt_open_list;
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case '}': return lt_close_list;
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case '#': return lt_comment;
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case '\0': return lt_empty;
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}
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return lt_key;
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}
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void
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GenericInfo_Parser::ReadKey()
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{
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const char * pSearch = sCurParsePosition;
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for ( ; *pSearch > 32; ++pSearch );
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UINT32 nKeyLength = pSearch - sCurParsePosition;
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for ( ; *pSearch <= 32 && *pSearch > '\0'; ++pSearch );
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pResult->AddKey( sCurParsePosition, nKeyLength,
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pSearch, strlen(pSearch),
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sCurComment.str(), sCurComment.l()
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);
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sCurComment = "";
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}
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void
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GenericInfo_Parser::PushLevel_Read()
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{
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nLevel++;
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pResult->OpenList();
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}
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void
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GenericInfo_Parser::PopLevel_Read()
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{
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nLevel--;
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pResult->CloseList();
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}
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void
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GenericInfo_Parser::AddCurLine2CurComment()
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{
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sCurComment += sCurParsePosition;
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sCurComment += C_sLineEnd;
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}
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void
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GenericInfo_Parser::WriteList( ostream & o_rFile )
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{
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static char sBuffer[32000];
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for ( bGoon = pResource->Start_CurList();
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bGoon;
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bGoon = pResource->NextOf_CurList() )
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{
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pResource->Get_CurComment(&sBuffer[0]);
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WriteComment(o_rFile,sBuffer);
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pResource->Get_CurKey(&sBuffer[0]);
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WriteKey(o_rFile,sBuffer);
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pResource->Get_CurValue(&sBuffer[0]);
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WriteValue(o_rFile,sBuffer);
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if ( pResource->HasSubList_CurKey() )
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{
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PushLevel_Write();
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/*
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WriteIndentation();
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o_rFile.write("{",1);
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o_rFile.write(C_sLineEnd, C_nLineEndLength);
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*/
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WriteList(o_rFile);
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/*
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WriteIndentation();
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o_rFile.write("}",1);
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o_rFile.write(C_sLineEnd, C_nLineEndLength);
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*/
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PopLevel_Write();
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}
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} // end for
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}
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void
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GenericInfo_Parser::PushLevel_Write()
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{
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nLevel++;
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pResource->Push_CurList();
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}
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void
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GenericInfo_Parser::PopLevel_Write()
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{
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nLevel--;
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pResource->Pop_CurList();
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}
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void
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GenericInfo_Parser::WriteComment( ostream & o_rFile,
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const char * i_sStr )
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{
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WriteStr( o_rFile, i_sStr );
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if ( i_sStr[ strlen(i_sStr)-1 ] != '\n' )
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WriteStr( o_rFile, C_sLineEnd );
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}
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void
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GenericInfo_Parser::WriteKey( ostream & o_rFile,
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const char * i_sStr )
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{
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WriteIndentation(o_rFile);
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WriteStr( o_rFile, i_sStr );
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}
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void
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GenericInfo_Parser::WriteValue( ostream & o_rFile,
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const char * i_sStr )
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{
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if ( i_sStr != 0 ? strlen(i_sStr) > 0 : false )
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{
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WriteStr(o_rFile," ");
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WriteStr(o_rFile,i_sStr);
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}
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WriteStr(o_rFile,C_sLineEnd);
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}
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void
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GenericInfo_Parser::WriteIndentation( ostream & o_rFile )
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{
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const int nIndentBound = 60;
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static const char sIndentation[nIndentBound+1] =
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"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t"
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"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t"
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"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
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if ( nLevel == 0 )
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return;
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if ( nLevel <= nIndentBound )
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o_rFile.write( sIndentation, nLevel );
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else
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{
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INT16 iLevel = nLevel;
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for ( ; iLevel > nIndentBound; iLevel-=nIndentBound )
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o_rFile.write( sIndentation, nIndentBound );
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o_rFile.write( sIndentation, iLevel );
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}
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}
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