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editors/qeditor/java_colorizer.cpp

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00001 /* $Id: java_colorizer.cpp,v 1.13 2002/12/19 22:02:39 raggi Exp $ 00002 * 00003 * This file is part of Klint 00004 * Copyright (C) 2001 Roberto Raggi (roberto@kdevelop.org) 00005 * 00006 * This program is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2 of the License, or (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; see the file COPYING. If not, write to 00018 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00019 * Boston, MA 02111-1307, USA. 00020 * 00021 */ 00022 00023 00024 #include "java_colorizer.h" 00025 #include "paragdata.h" 00026 00027 #include <qfont.h> 00028 #include <qapplication.h> 00029 #include <qsettings.h> 00030 #include <private/qrichtext_p.h> 00031 00032 static const char *java_keywords[] = { 00033 // Java keywords 00034 "abstract", 00035 "break", 00036 "case", 00037 "catch", 00038 "class", 00039 "continue", 00040 "default", 00041 "do", 00042 "else", 00043 "extends", 00044 "false", 00045 "finally", 00046 "for", 00047 "goto", 00048 "if", 00049 "implements", 00050 "import", 00051 "instanceof", 00052 "interface", 00053 "native", 00054 "new", 00055 "null", 00056 "package", 00057 "private", 00058 "protected", 00059 "public", 00060 "return", 00061 "super", 00062 "strictfp", 00063 "switch", 00064 "synchronized", 00065 "this", 00066 "throws", 00067 "throw", 00068 "transient", 00069 "true", 00070 "try", 00071 "volatile", 00072 "while", 00073 "boolean", 00074 "byte", 00075 "char", 00076 "const", 00077 "double", 00078 "final", 00079 "float", 00080 "int", 00081 "long", 00082 "short", 00083 "static", 00084 "void", 00085 0 00086 }; 00087 00088 JavaColorizer::JavaColorizer( QEditor* editor ) 00089 : QSourceColorizer( editor ) 00090 { 00091 // default context 00092 HLItemCollection* context0 = new HLItemCollection( 0 ); 00093 context0->appendChild( new StartsWithHLItem( "//", Comment, 0 ) ); 00094 context0->appendChild( new StringHLItem( "/*", Comment, 1 ) ); 00095 context0->appendChild( new StringHLItem( "\"", String, 2 ) ); 00096 context0->appendChild( new StringHLItem( "'", String, 3 ) ); 00097 context0->appendChild( new KeywordsHLItem( java_keywords, Keyword, Normal, 0 ) ); 00098 context0->appendChild( new NumberHLItem( Constant, 0 ) ); 00099 00100 // comment context 00101 HLItemCollection* context1 = new HLItemCollection( Comment ); 00102 context1->appendChild( new StringHLItem( "*/", Comment, 0 ) ); 00103 00104 HLItemCollection* context2 = new HLItemCollection( String ); 00105 context2->appendChild( new StringHLItem( "\\\\", String, 2 ) ); 00106 context2->appendChild( new StringHLItem( "\\\"", String, 2 ) ); 00107 context2->appendChild( new StringHLItem( "\"", String, 0 ) ); 00108 00109 HLItemCollection* context3 = new HLItemCollection( String ); 00110 context3->appendChild( new StringHLItem( "\\\\", String, 3 ) ); 00111 context3->appendChild( new StringHLItem( "\\'", String, 3 ) ); 00112 context3->appendChild( new StringHLItem( "'", String, 0 ) ); 00113 00114 m_items.append( context0 ); 00115 m_items.append( context1 ); 00116 m_items.append( context2 ); 00117 m_items.append( context3 ); 00118 } 00119 00120 JavaColorizer::~JavaColorizer() 00121 { 00122 } 00123 00124 int JavaColorizer::computeLevel( QTextParagraph* parag, int startLevel ) 00125 { 00126 int level = startLevel; 00127 00128 ParagData* data = (ParagData*) parag->extraData(); 00129 if( !data ){ 00130 return startLevel; 00131 } 00132 00133 data->setBlockStart( false ); 00134 00135 QValueList<Symbol> symbols = data->symbolList(); 00136 QValueList<Symbol>::Iterator it = symbols.begin(); 00137 while( it != symbols.end() ){ 00138 Symbol sym = *it++; 00139 if( sym.ch() == '{' ){ 00140 ++level; 00141 } else if( sym.ch() == '}' ){ 00142 --level; 00143 } 00144 } 00145 00146 if( level > startLevel ){ 00147 data->setBlockStart( true ); 00148 } 00149 00150 return level; 00151 } 00152
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