diff options
Diffstat (limited to 'tools/designer/plugins/cppeditor/syntaxhighliter_cpp.cpp')
| -rw-r--r-- | tools/designer/plugins/cppeditor/syntaxhighliter_cpp.cpp | 550 |
1 files changed, 550 insertions, 0 deletions
diff --git a/tools/designer/plugins/cppeditor/syntaxhighliter_cpp.cpp b/tools/designer/plugins/cppeditor/syntaxhighliter_cpp.cpp new file mode 100644 index 000000000..e1d338430 --- /dev/null +++ b/tools/designer/plugins/cppeditor/syntaxhighliter_cpp.cpp @@ -0,0 +1,550 @@ +/********************************************************************** +** +** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved. +** +** This file is part of TQt Designer. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** Licensees holding valid TQt Commercial licenses may use this file in +** accordance with the TQt Commercial License Agreement provided with +** the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#include "syntaxhighliter_cpp.h" +#include "paragdata.h" +#include "qstring.h" +#include "qstringlist.h" +#include "qmap.h" +#include "qapplication.h" +#include "qregexp.h" + +const char * const SyntaxHighlighter_CPP::keywords[] = { + // C++ keywords + "and", + "and_eq", + "asm", + "auto", + "bitand", + "bitor", + "bool", + "break", + "case", + "catch", + "char", + "class", + "compl", + "const", + "const_cast", + "continue", + "default", + "delete", + "do", + "double", + "dynamic_cast", + "else", + "enum", + "explicit", + "export", + "extern", + "false", + "FALSE", + "float", + "for", + "friend", + "goto", + "if", + "inline", + "int", + "long", + "mutable", + "namespace", + "new", + "not", + "not_eq", + "operator", + "or", + "or_eq", + "private", + "protected", + "public", + "register", + "reinterpret_cast", + "return", + "short", + "signed", + "sizeof", + "static", + "static_cast", + "struct", + "switch", + "template", + "this", + "throw", + "true", + "TRUE", + "try", + "typedef", + "typeid", + "typename", + "union", + "unsigned", + "using", + "virtual", + "void", + "volatile", + "wchar_t", + "while", + "xor", + "xor_eq", + // additional "keywords" intoduced by TQt + "slots", + "signals", + "uint", + "ushort", + "ulong", + "emit", + // end of array + 0 +}; + +static TQMap<int, TQMap<TQString, int > > *wordMap = 0; + +SyntaxHighlighter_CPP::SyntaxHighlighter_CPP() + : TQTextPreProcessor(), lastFormat( 0 ), lastFormatId( -1 ) +{ + TQFont f( qApp->font() ); + + addFormat( Standard, new TQTextFormat( f, TQt::black ) ); + addFormat( Number, new TQTextFormat( f, TQt::darkBlue ) ); + addFormat( String, new TQTextFormat( f, TQt::darkGreen ) ); + addFormat( Type, new TQTextFormat( f, TQt::darkMagenta ) ); + addFormat( Keyword, new TQTextFormat( f, TQt::darkYellow ) ); + addFormat( PreProcessor, new TQTextFormat( f, TQt::darkBlue ) ); + addFormat( Label, new TQTextFormat( f, TQt::darkRed ) ); + f.setFamily( "times" ); + addFormat( Comment, new TQTextFormat( f, TQt::red ) ); + + if ( wordMap ) + return; + + wordMap = new TQMap<int, TQMap<TQString, int> >; + int len; + for ( int i = 0; keywords[ i ]; ++i ) { + len = (int)strlen( keywords[ i ] ); + if ( !wordMap->contains( len ) ) + wordMap->insert( len, TQMap<TQString, int >() ); + TQMap<TQString, int> &map = wordMap->operator[]( len ); + map[ keywords[ i ] ] = Keyword; + } +} + +SyntaxHighlighter_CPP::~SyntaxHighlighter_CPP() +{ +} + +static int string2Id( const TQString &s ) +{ + if ( s == "Standard" ) + return SyntaxHighlighter_CPP::Standard; + if ( s == "Comment" ) + return SyntaxHighlighter_CPP::Comment; + if ( s == "Number" ) + return SyntaxHighlighter_CPP::Number; + if ( s == "String" ) + return SyntaxHighlighter_CPP::String; + if ( s == "Type" ) + return SyntaxHighlighter_CPP::Type; + if ( s == "Preprocessor" ) + return SyntaxHighlighter_CPP::PreProcessor; + if ( s == "Label" ) + return SyntaxHighlighter_CPP::Label; + if ( s == "Keyword" ) + return SyntaxHighlighter_CPP::Keyword; + return SyntaxHighlighter_CPP::Standard; +} + +void SyntaxHighlighter_CPP::updateStyles( const TQMap<TQString, ConfigStyle> &styles ) +{ + for ( TQMap<TQString, ConfigStyle>::ConstIterator it = styles.begin(); it != styles.end(); ++it ) { + int id = string2Id( it.key() ); + TQTextFormat *f = format( id ); + if ( !f ) + continue; + f->setFont( (*it).font ); + f->setColor( (*it).color ); + } +} + +void SyntaxHighlighter_CPP::process( TQTextDocument *doc, TQTextParagraph *string, int, bool invalidate ) +{ + + TQTextFormat *formatStandard = format( Standard ); + TQTextFormat *formatComment = format( Comment ); + TQTextFormat *formatNumber = format( Number ); + TQTextFormat *formatString = format( String ); + TQTextFormat *formatType = format( Type ); + TQTextFormat *formatPreProcessor = format( PreProcessor ); + TQTextFormat *formatLabel = format( Label ); + + // states + const int StateStandard = 0; + const int StateCommentStart1 = 1; + const int StateCCommentStart2 = 2; + const int StateCppCommentStart2 = 3; + const int StateCComment = 4; + const int StateCppComment = 5; + const int StateCCommentEnd1 = 6; + const int StateCCommentEnd2 = 7; + const int StateStringStart = 8; + const int StateString = 9; + const int StateStringEnd = 10; + const int StateString2Start = 11; + const int StateString2 = 12; + const int StateString2End = 13; + const int StateNumber = 14; + const int StatePreProcessor = 15; + + // tokens + const int InputAlpha = 0; + const int InputNumber = 1; + const int InputAsterix = 2; + const int InputSlash = 3; + const int InputParen = 4; + const int InputSpace = 5; + const int InputHash = 6; + const int InputQuotation = 7; + const int InputApostrophe = 8; + const int InputSep = 9; + + static uchar table[ 16 ][ 10 ] = { + { StateStandard, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateStandard + { StateStandard, StateNumber, StateCCommentStart2, StateCppCommentStart2, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateCommentStart1 + { StateCComment, StateCComment, StateCCommentEnd1, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCCommentStart2 + { StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment }, // CppCommentStart2 + { StateCComment, StateCComment, StateCCommentEnd1, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCComment + { StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment, StateCppComment }, // StateCppComment + { StateCComment, StateCComment, StateCCommentEnd1, StateCCommentEnd2, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment, StateCComment }, // StateCCommentEnd1 + { StateStandard, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateCCommentEnd2 + { StateString, StateString, StateString, StateString, StateString, StateString, StateString, StateStringEnd, StateString, StateString }, // StateStringStart + { StateString, StateString, StateString, StateString, StateString, StateString, StateString, StateStringEnd, StateString, StateString }, // StateString + { StateStandard, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateStringEnd + { StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2End, StateString2 }, // StateString2Start + { StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2, StateString2End, StateString2 }, // StateString2 + { StateStandard, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateString2End + { StateNumber, StateNumber, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard }, // StateNumber + { StatePreProcessor, StateStandard, StateStandard, StateCommentStart1, StateStandard, StateStandard, StatePreProcessor, StateStringStart, StateString2Start, StateStandard } // StatePreProcessor + }; + + TQString buffer; + + int state = StateStandard; + if ( string->prev() ) { + if ( string->prev()->endState() == -1 ) + process( doc, string->prev(), 0, FALSE ); + state = string->prev()->endState(); + } + int input = -1; + int i = 0; + bool lastWasBackSlash = FALSE; + bool makeLastStandard = FALSE; + + ParagData *paragData = (ParagData*)string->extraData(); + if ( paragData ) + paragData->parenList.clear(); + else + paragData = new ParagData; + + TQString alphabeth = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPTQRSTUVWXYZ"; + TQString mathChars = "xXeE"; + TQString numbers = "0123456789"; + bool questionMark = FALSE; + TQChar lastChar; + for (;;) { + TQChar c = string->at( i )->c; + + if ( lastWasBackSlash ) { + input = InputSep; + } else { + switch ( c ) { + case '*': + input = InputAsterix; + break; + case '/': + input = InputSlash; + break; + case '(': case '[': case '{': + input = InputParen; + if ( state == StateStandard || + state == StateNumber || + state == StatePreProcessor || + state == StateCCommentEnd2 || + state == StateCCommentEnd1 || + state == StateString2End || + state == StateStringEnd ) + paragData->parenList << Paren( Paren::Open, c, i ); + break; + case ')': case ']': case '}': + input = InputParen; + if ( state == StateStandard || + state == StateNumber || + state == StatePreProcessor || + state == StateCCommentEnd2 || + state == StateCCommentEnd1 || + state == StateString2End || + state == StateStringEnd ) + paragData->parenList << Paren( Paren::Closed, c, i ); + break; + case '#': + input = InputHash; + break; + case '"': + input = InputQuotation; + break; + case '\'': + input = InputApostrophe; + break; + case ' ': + input = InputSpace; + break; + case '1': case '2': case '3': case '4': case '5': + case '6': case '7': case '8': case '9': case '0': + if ( alphabeth.find( lastChar ) != -1 && + ( mathChars.find( lastChar ) == -1 || numbers.find( string->at( i - 1 )->c ) == -1 ) ) { + input = InputAlpha; + } else { + if ( input == InputAlpha && numbers.find( lastChar ) != -1 ) + input = InputAlpha; + else + input = InputNumber; + } + break; + case ':': { + input = InputAlpha; + TQChar nextChar = ' '; + if ( i < string->length() - 1 ) + nextChar = string->at( i + 1 )->c; + if ( state == StateStandard && !questionMark && lastChar != ':' && nextChar != ':' ) { + for ( int j = 0; j < i; ++j ) { + if ( string->at( j )->format() == formatStandard ) + string->setFormat( j, 1, formatLabel, FALSE ); + } + } + } break; + default: { + if ( !questionMark && c == '?' ) + questionMark = TRUE; + if ( c.isLetter() || c == '_' ) + input = InputAlpha; + else + input = InputSep; + } break; + } + } + + lastWasBackSlash = !lastWasBackSlash && c == '\\'; + + if ( input == InputAlpha ) + buffer += c; + + state = table[ state ][ input ]; + + switch ( state ) { + case StateStandard: { + int len = buffer.length(); + string->setFormat( i, 1, formatStandard, FALSE ); + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + if ( buffer.length() > 0 && input != InputAlpha ) { + if ( buffer[ 0 ] == 'Q' ) { + string->setFormat( i - buffer.length(), buffer.length(), formatType, FALSE ); + } else { + TQMap<int, TQMap<TQString, int > >::Iterator it = wordMap->find( len ); + if ( it != wordMap->end() ) { + TQMap<TQString, int >::Iterator it2 = ( *it ).find( buffer ); + if ( it2 != ( *it ).end() ) + string->setFormat( i - buffer.length(), buffer.length(), format( ( *it2 ) ), FALSE ); + } + } + buffer = TQString::null; + } + } break; + case StateCommentStart1: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = TRUE; + buffer = TQString::null; + break; + case StateCCommentStart2: + string->setFormat( i - 1, 2, formatComment, FALSE ); + makeLastStandard = FALSE; + buffer = TQString::null; + break; + case StateCppCommentStart2: + string->setFormat( i - 1, 2, formatComment, FALSE ); + makeLastStandard = FALSE; + buffer = TQString::null; + break; + case StateCComment: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatComment, FALSE ); + buffer = TQString::null; + break; + case StateCppComment: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatComment, FALSE ); + buffer = TQString::null; + break; + case StateCCommentEnd1: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatComment, FALSE ); + buffer = TQString::null; + break; + case StateCCommentEnd2: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatComment, FALSE ); + buffer = TQString::null; + break; + case StateStringStart: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatStandard, FALSE ); + buffer = TQString::null; + break; + case StateString: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatString, FALSE ); + buffer = TQString::null; + break; + case StateStringEnd: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatStandard, FALSE ); + buffer = TQString::null; + break; + case StateString2Start: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatStandard, FALSE ); + buffer = TQString::null; + break; + case StateString2: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatString, FALSE ); + buffer = TQString::null; + break; + case StateString2End: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatStandard, FALSE ); + buffer = TQString::null; + break; + case StateNumber: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatNumber, FALSE ); + buffer = TQString::null; + break; + case StatePreProcessor: + if ( makeLastStandard ) + string->setFormat( i - 1, 1, formatStandard, FALSE ); + makeLastStandard = FALSE; + string->setFormat( i, 1, formatPreProcessor, FALSE ); + buffer = TQString::null; + break; + } + + lastChar = c; + i++; + if ( i >= string->length() ) + break; + } + + string->setExtraData( paragData ); + + int oldEndState = string->endState(); + if ( state == StateCComment || + state == StateCCommentEnd1 ) { + string->setEndState( StateCComment ); + } else if ( state == StateString ) { + string->setEndState( StateString ); + } else if ( state == StateString2 ) { + string->setEndState( StateString2 ); + } else { + string->setEndState( StateStandard ); + } + + string->setFirstPreProcess( FALSE ); + + TQTextParagraph *p = string->next(); + if ( (!!oldEndState || !!string->endState()) && oldEndState != string->endState() && + invalidate && p && !p->firstPreProcess() && p->endState() != -1 ) { + while ( p ) { + if ( p->endState() == -1 ) + return; + p->setEndState( -1 ); + p = p->next(); + } + } +} + +TQTextFormat *SyntaxHighlighter_CPP::format( int id ) +{ + if ( lastFormatId == id && lastFormat ) + return lastFormat; + + TQTextFormat *f = formats[ id ]; + lastFormat = f ? f : formats[ 0 ]; + lastFormatId = id; + return lastFormat; +} + +void SyntaxHighlighter_CPP::addFormat( int id, TQTextFormat *f ) +{ + formats.insert( id, f ); +} + +void SyntaxHighlighter_CPP::removeFormat( int id ) +{ + formats.remove( id ); +} + |