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Diffstat (limited to 'svtools/inc/svtools/syntaxhighlight.hxx')
| -rw-r--r-- | svtools/inc/svtools/syntaxhighlight.hxx | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/svtools/inc/svtools/syntaxhighlight.hxx b/svtools/inc/svtools/syntaxhighlight.hxx new file mode 100644 index 000000000000..5539e97b7a4d --- /dev/null +++ b/svtools/inc/svtools/syntaxhighlight.hxx @@ -0,0 +1,188 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +#ifndef _SVTOOLS_SYNTAXHIGHLIGHT_HXX +#define _SVTOOLS_SYNTAXHIGHLIGHT_HXX + +#include <list> + +#include <vos/macros.hxx> +#include <vos/mutex.hxx> + +#include <vcl/svapp.hxx> + +#include <tools/stream.hxx> +#include <tools/shl.hxx> + +#include <svl/brdcst.hxx> +#include <svtools/svtdllapi.h> + + +// for the bsearch +#ifdef WNT +#define CDECL _cdecl +#endif +#if defined(UNX) || defined(OS2) +#define CDECL +#endif +#ifdef UNX +#include <sys/resource.h> +#endif + +#include <stdio.h> + +#include <tools/string.hxx> +#include <tools/gen.hxx> + + +// Token-Typen TT_... +enum TokenTypes +{ + TT_UNKNOWN, + TT_IDENTIFIER, + TT_WHITESPACE, + TT_NUMBER, + TT_STRING, + TT_EOL, + TT_COMMENT, + TT_ERROR, + TT_OPERATOR, + TT_KEYWORDS, + TT_PARAMETER +}; + +struct HighlightPortion { sal_uInt16 nBegin; sal_uInt16 nEnd; TokenTypes tokenType; }; + + +typedef std::vector<HighlightPortion> HighlightPortions; + +///////////////////////////////////////////////////////////////////////// +// Hilfsklasse zur Untersuchung von JavaScript-Modulen, zunaechst zum +// Heraussuchen der Funktionen, spaeter auch zum Syntax-Highlighting verwenden + +// Flags fuer Zeichen-Eigenschaften +#define CHAR_START_IDENTIFIER 0x0001 +#define CHAR_IN_IDENTIFIER 0x0002 +#define CHAR_START_NUMBER 0x0004 +#define CHAR_IN_NUMBER 0x0008 +#define CHAR_IN_HEX_NUMBER 0x0010 +#define CHAR_IN_OCT_NUMBER 0x0020 +#define CHAR_START_STRING 0x0040 +#define CHAR_OPERATOR 0x0080 +#define CHAR_SPACE 0x0100 +#define CHAR_EOL 0x0200 + +#define CHAR_EOF 0x00 + + +// Sprachmodus des HighLighters (spaeter eventuell feiner +// differenzieren mit Keyword-Liste, C-Kommentar-Flag) +enum HighlighterLanguage +{ + HIGHLIGHT_BASIC, + HIGHLIGHT_SQL +}; + +class SimpleTokenizer_Impl +{ + HighlighterLanguage aLanguage; + // Zeichen-Info-Tabelle + sal_uInt16 aCharTypeTab[256]; + + const sal_Unicode* mpStringBegin; + const sal_Unicode* mpActualPos; + + // Zeile und Spalte + sal_uInt32 nLine; + sal_uInt32 nCol; + + sal_Unicode peekChar( void ) { return *mpActualPos; } + sal_Unicode getChar( void ) { nCol++; return *mpActualPos++; } + + // Hilfsfunktion: Zeichen-Flag Testen + sal_Bool testCharFlags( sal_Unicode c, sal_uInt16 nTestFlags ); + + // Neues Token holen, Leerstring == nix mehr da + sal_Bool getNextToken( /*out*/TokenTypes& reType, + /*out*/const sal_Unicode*& rpStartPos, /*out*/const sal_Unicode*& rpEndPos ); + + String getTokStr( /*out*/const sal_Unicode* pStartPos, /*out*/const sal_Unicode* pEndPos ); + +#ifdef DBG_UTIL + // TEST: Token ausgeben + String getFullTokenStr( /*out*/TokenTypes eType, + /*out*/const sal_Unicode* pStartPos, /*out*/const sal_Unicode* pEndPos ); +#endif + + const char** ppListKeyWords; + sal_uInt16 nKeyWordCount; + +public: + SimpleTokenizer_Impl( HighlighterLanguage aLang = HIGHLIGHT_BASIC ); + ~SimpleTokenizer_Impl( void ); + + sal_uInt16 parseLine( sal_uInt32 nLine, const String* aSource ); + void getHighlightPortions( sal_uInt32 nParseLine, const String& rLine, + /*out*/HighlightPortions& portions ); + void setKeyWords( const char** ppKeyWords, sal_uInt16 nCount ); +}; + + +//*** SyntaxHighlighter-Klasse *** +// Konzept: Der Highlighter wird ueber alle Aenderungen im Source +// informiert (notifyChange) und liefert dem Aufrufer jeweils die +// Information zurueck, welcher Zeilen-Bereich des Source-Codes +// aufgrund dieser Aenderung neu gehighlighted werden muss. +// Dazu merkt sich Highlighter intern fuer jede Zeile, ob dort +// C-Kommentare beginnen oder enden. +class SVT_DLLPUBLIC SyntaxHighlighter +{ + HighlighterLanguage eLanguage; + SimpleTokenizer_Impl* m_pSimpleTokenizer; + char* m_pKeyWords; + sal_uInt16 m_nKeyWordCount; + +// void initializeKeyWords( HighlighterLanguage eLanguage ); + +public: + SyntaxHighlighter( void ); + ~SyntaxHighlighter( void ); + + // HighLighter (neu) initialisieren, die Zeilen-Tabelle wird + // dabei komplett geloescht, d.h. im Abschluss wird von einem + // leeren Source ausgegangen. In notifyChange() kann dann + // nur Zeile 0 angegeben werden. + void initialize( HighlighterLanguage eLanguage_ ); + + const Range notifyChange( sal_uInt32 nLine, sal_Int32 nLineCountDifference, + const String* pChangedLines, sal_uInt32 nArrayLength); + + void getHighlightPortions( sal_uInt32 nLine, const String& rLine, + HighlightPortions& pPortions ); + + HighlighterLanguage GetLanguage() { return eLanguage;} +}; +#endif |