| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _SCANNER_HXX |
| #define _SCANNER_HXX |
| |
| #include <tools/string.hxx> |
| #ifndef _SBERRORS_HXX |
| #include <basic/sberrors.hxx> |
| #endif |
| |
| // Der Scanner ist stand-alone, d.h. er kann von ueberallher verwendet |
| // werden. Eine BASIC-Instanz ist fuer Fehlermeldungen notwendig. Ohne |
| // BASIC werden die Fehler nur gezaehlt. Auch ist Basic notwendig, wenn |
| // eine erweiterte SBX-Variable zur Erkennung von Datentypen etc. verwendet |
| // werden soll. |
| |
| class StarBASIC; |
| |
| class SbiScanner |
| { |
| ::rtl::OUString aBuf; // Input-Puffer |
| ::rtl::OUString aLine; // aktuelle Zeile |
| const sal_Unicode* pLine; // Pointer |
| const sal_Unicode* pSaveLine; // Merker fuer Line |
| protected: |
| String aSym; // Symbolpuffer |
| String aError; // Fehler-String |
| SbxDataType eScanType; // evtl. Datentyp |
| StarBASIC* pBasic; // Instanz fuer Fehler-Callbacks |
| double nVal; // numerischer Wert |
| short nCurCol1; // aktuelle Spalte 1 |
| short nSavedCol1; // gerettete Spalte 1 |
| short nCol; // aktuelle Spaltennummer |
| short nErrors; // Anzahl Fehler |
| short nColLock; // Lock-Zaehler fuer Col1 |
| sal_Int32 nBufPos; // aktuelle Buffer-Pos |
| sal_uInt16 nLine; // aktuelle Zeile |
| sal_uInt16 nCol1, nCol2; // aktuelle 1. und 2. Spalte |
| sal_Bool bSymbol; // sal_True: Symbol gescannt |
| sal_Bool bNumber; // sal_True: Zahl gescannt |
| sal_Bool bSpaces; // sal_True: Whitespace vor Token |
| sal_Bool bErrors; // sal_True: Fehler generieren |
| sal_Bool bAbort; // sal_True: abbrechen |
| sal_Bool bHash; // sal_True: # eingelesen |
| sal_Bool bError; // sal_True: Fehler generieren |
| sal_Bool bUsedForHilite; // sal_True: Nutzung fuer Highlighting |
| sal_Bool bCompatible; // sal_True: OPTION Compatibl |
| sal_Bool bVBASupportOn; // sal_True: OPTION VBASupport 1 otherwise default False |
| sal_Bool bPrevLineExtentsComment; // sal_True: Previous line is comment and ends on "... _" |
| |
| void GenError( SbError ); |
| public: |
| SbiScanner( const ::rtl::OUString&, StarBASIC* = NULL ); |
| ~SbiScanner(); |
| |
| void EnableErrors() { bError = sal_False; } |
| sal_Bool IsHash() { return bHash; } |
| sal_Bool IsCompatible() { return bCompatible; } |
| void SetCompatible( bool b ) { bCompatible = b; } // #118206 |
| sal_Bool IsVBASupportOn() { return bVBASupportOn; } |
| void SetVBASupportOn( bool b ) { bVBASupportOn = b; } |
| sal_Bool WhiteSpace() { return bSpaces; } |
| short GetErrors() { return nErrors; } |
| short GetLine() { return nLine; } |
| short GetCol1() { return nCol1; } |
| short GetCol2() { return nCol2; } |
| void SetCol1( short n ) { nCol1 = n; } |
| StarBASIC* GetBasic() { return pBasic; } |
| void SaveLine(void) { pSaveLine = pLine; } |
| void RestoreLine(void) { pLine = pSaveLine; } |
| void LockColumn(); |
| void UnlockColumn(); |
| sal_Bool DoesColonFollow(); |
| |
| sal_Bool NextSym(); // naechstes Symbol lesen |
| const String& GetSym() { return aSym; } |
| SbxDataType GetType() { return eScanType; } |
| double GetDbl() { return nVal; } |
| }; |
| |
| class LetterTable |
| { |
| bool IsLetterTab[256]; |
| |
| public: |
| LetterTable( void ); |
| |
| inline bool isLetter( sal_Unicode c ) |
| { |
| bool bRet = (c < 256) ? IsLetterTab[c] : isLetterUnicode( c ); |
| return bRet; |
| } |
| bool isLetterUnicode( sal_Unicode c ); |
| }; |
| |
| class BasicSimpleCharClass |
| { |
| static LetterTable aLetterTable; |
| |
| public: |
| static sal_Bool isAlpha( sal_Unicode c, bool bCompatible ) |
| { |
| sal_Bool bRet = (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') |
| || (bCompatible && aLetterTable.isLetter( c )); |
| return bRet; |
| } |
| |
| static sal_Bool isDigit( sal_Unicode c ) |
| { |
| sal_Bool bRet = (c >= '0' && c <= '9'); |
| return bRet; |
| } |
| |
| static sal_Bool isAlphaNumeric( sal_Unicode c, bool bCompatible ) |
| { |
| sal_Bool bRet = isDigit( c ) || isAlpha( c, bCompatible ); |
| return bRet; |
| } |
| }; |
| |
| #endif |