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/*************************************************************************
*
* $RCSfile: lex.hxx,v $
*
* $Revision: 1.1.1.1 $
*
* last change: $Author: hr $ $Date: 2000-09-18 16:30:41 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _LEX_HXX
#define _LEX_HXX
#include <hash.hxx>
#ifndef _GEN_HXX //autogen
#include <tools/gen.hxx>
#endif
#ifndef _STREAM_HXX //autogen
#include <tools/stream.hxx>
#endif
/******************** enum ***********************************************/
enum SVTOKEN_ENUM { SVTOKEN_EMPTY, SVTOKEN_COMMENT,
SVTOKEN_INTEGER, SVTOKEN_STRING,
SVTOKEN_BOOL, SVTOKEN_IDENTIFIER,
SVTOKEN_CHAR, SVTOKEN_RTTIBASE,
SVTOKEN_EOF, SVTOKEN_HASHID };
/******************** class SvToken **************************************/
class BigInt;
class SvToken
{
friend class SvTokenStream;
ULONG nLine, nColumn;
SVTOKEN_ENUM nType;
ByteString aString;
union
{
ULONG nLong;
BOOL bBool;
char cChar;
// SvRttiBase * pComplexObj;
SvStringHashEntry * pHash;
};
public:
SvToken();
SvToken( const SvToken & rObj );
SvToken( ULONG n );
SvToken( SVTOKEN_ENUM nTypeP, BOOL b );
SvToken( char c );
SvToken( SVTOKEN_ENUM nTypeP, const ByteString & rStr );
// SvToken( SvRttiBase * pComplexObj );
SvToken( SVTOKEN_ENUM nTypeP );
SvToken & operator = ( const SvToken & rObj );
ByteString GetTokenAsString() const;
ByteString Print() const;
SVTOKEN_ENUM GetType() const { return nType; }
void SetLine( ULONG nLineP ) { nLine = nLineP; }
ULONG GetLine() const { return nLine; }
void SetColumn( ULONG nColumnP ) { nColumn = nColumnP; }
ULONG GetColumn() const { return nColumn; }
BOOL IsEmpty() const { return nType == SVTOKEN_EMPTY; }
BOOL IsComment() const { return nType == SVTOKEN_COMMENT; }
BOOL IsInteger() const { return nType == SVTOKEN_INTEGER; }
BOOL IsString() const { return nType == SVTOKEN_STRING; }
BOOL IsBool() const { return nType == SVTOKEN_BOOL; }
BOOL IsIdentifierHash() const
{ return nType == SVTOKEN_HASHID; }
BOOL IsIdentifier() const
{
return nType == SVTOKEN_IDENTIFIER
|| nType == SVTOKEN_HASHID;
}
BOOL IsChar() const { return nType == SVTOKEN_CHAR; }
BOOL IsRttiBase() const { return nType == SVTOKEN_RTTIBASE; }
BOOL IsEof() const { return nType == SVTOKEN_EOF; }
const ByteString & GetString() const
{
return IsIdentifierHash()
? pHash->GetName()
: aString;
}
ULONG GetNumber() const { return nLong; }
BOOL GetBool() const { return bBool; }
char GetChar() const { return cChar; }
// SvRttiBase *GetObject() const { return pComplexObj; }
void SetHash( SvStringHashEntry * pHashP )
{ pHash = pHashP; nType = SVTOKEN_HASHID; }
BOOL HasHash() const
{ return nType == SVTOKEN_HASHID; }
SvStringHashEntry * GetHash() const { return pHash; }
BOOL Is( SvStringHashEntry * pEntry ) const
{ return IsIdentifierHash() && pHash == pEntry; }
};
inline SvToken::SvToken()
: nType( SVTOKEN_EMPTY ) {}
inline SvToken::SvToken( ULONG n )
: nType( SVTOKEN_INTEGER ), nLong( n ) {}
inline SvToken::SvToken( SVTOKEN_ENUM nTypeP, BOOL b )
: nType( nTypeP ), bBool( b ) {}
inline SvToken::SvToken( char c )
: nType( SVTOKEN_CHAR ), cChar( c ) {}
inline SvToken::SvToken( SVTOKEN_ENUM nTypeP, const ByteString & rStr )
: nType( nTypeP ), aString( rStr ) {}
/*
inline SvToken::SvToken( SvRttiBase * pObj )
: nType( SVTOKEN_RTTIBASE ), pComplexObj( pObj )
{ pObj->AddRef(); }
*/
inline SvToken::SvToken( SVTOKEN_ENUM nTypeP )
: nType( nTypeP ) {}
DECLARE_LIST( SvTokenList, SvToken * )
/******************** class SvTokenStream ********************************/
class SvTokenStream
{
ULONG nLine, nColumn;
int nBufPos;
int c; // naechstes Zeichen
CharSet nCharSet;
char * pCharTab; // Zeiger auf die Konverierungstabelle
USHORT nTabSize; // Tabulator Laenge
ByteString aStrTrue;
ByteString aStrFalse;
ULONG nMaxPos;
SvFileStream * pInStream;
SvStream & rInStream;
String aFileName;
SvTokenList aTokList;
SvToken * pCurToken;
void InitCtor();
ByteString aBufStr;
int GetNextChar();
int GetFastNextChar()
{
return aBufStr.GetChar((USHORT)nBufPos++);
}
void FillTokenList();
ULONG GetNumber();
BOOL MakeToken( SvToken & );
BOOL IsEof() const { return rInStream.IsEof(); }
void SetMax()
{
ULONG n = Tell();
if( n > nMaxPos )
nMaxPos = n;
}
void CalcColumn()
{
// wenn Zeilenende berechnung sparen
if( 0 != c )
{
USHORT n = 0;
nColumn = 0;
while( n < nBufPos )
nColumn += aBufStr.GetChar(n++) == '\t' ? nTabSize : 1;
}
}
public:
SvTokenStream( const String & rFileName );
SvTokenStream( SvStream & rInStream, const String & rFileName );
~SvTokenStream();
static BOOL GetHexValue( const ByteString & rStr, BigInt * pValue );
const String & GetFileName() const { return aFileName; }
SvStream & GetStream() { return rInStream; }
void SetCharSet( CharSet nSet );
CharSet GetCharSet() const { return nCharSet; }
void SetTabSize( USHORT nTabSizeP )
{ nTabSize = nTabSizeP; }
USHORT GetTabSize() const { return nTabSize; }
SvToken * GetToken_PrevAll()
{
SvToken * pRetToken = pCurToken;
if( NULL == (pCurToken = aTokList.Prev()) )
// Current Zeiger nie Null
pCurToken = pRetToken;
return pRetToken;
}
SvToken * GetToken_NextAll()
{
SvToken * pRetToken = pCurToken;
if( NULL == (pCurToken = aTokList.Next()) )
// Current Zeiger nie Null
pCurToken = pRetToken;
SetMax();
return pRetToken;
}
SvToken * GetToken_Next()
{
// Kommentare werden initial entfernt
return GetToken_NextAll();
}
SvToken * GetToken() const { return pCurToken; }
BOOL Skip( char cStart, char cEnd, UINT32 * pBegin );
BOOL Read( char cChar )
{
if( pCurToken->IsChar()
&& cChar == pCurToken->GetChar() )
{
GetToken_Next();
return TRUE;
}
else
return FALSE;
}
void ReadDelemiter()
{
if( pCurToken->IsChar()
&& (';' == pCurToken->GetChar()
|| ',' == pCurToken->GetChar()) )
{
GetToken_Next();
}
}
UINT32 Tell() const
{ return aTokList.GetCurPos(); }
void Seek( UINT32 nPos )
{
pCurToken = aTokList.Seek( nPos );
SetMax();
}
void SeekRel( INT32 nRelPos )
{
pCurToken = aTokList.Seek( Tell() + nRelPos );
SetMax();
}
void SeekEnd()
{
pCurToken = aTokList.Seek( nMaxPos );
}
void Replace( const Range & rRange, SvToken * pToken );
};
#endif // _LEX_HXX
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