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00023 #include "qsourcecolorizer.h"
00024 #include "qeditor_part.h"
00025 #include "paragdata.h"
00026 #include "qeditor.h"
00027
00028 #include <qregexp.h>
00029
00030 #include <kapplication.h>
00031 #include <kdebug.h>
00032 #include <kconfig.h>
00033 #include <kglobalsettings.h>
00034
00035 using namespace std;
00036
00037
00038 QSourceColorizer::QSourceColorizer( QEditor* editor )
00039 : QTextPreProcessor(), m_editor( editor )
00040 {
00041 m_items.setAutoDelete( TRUE );
00042
00043 QFont defaultFont = KGlobalSettings::fixedFont();
00044 KConfig* config = QEditorPartFactory::instance()->config();
00045 config->setGroup( "General" );
00046
00047 m_formats.clear();
00048
00049 DECLARE_FORMAT_ITEM( Normal, "Normal", defaultFont, Qt::black );
00050 DECLARE_FORMAT_ITEM( PreProcessor, "PreProcessor", defaultFont, QColor( 0x80, 0x00, 0x80 ) );
00051 DECLARE_FORMAT_ITEM( Keyword, "Keyword", defaultFont, QColor( 0x0e, 0x23, 0xad ) );
00052 DECLARE_FORMAT_ITEM( BuiltInClass, "Built-in Class", defaultFont, QColor( 0xff, 0x77, 0x00 ) );
00053 DECLARE_FORMAT_ITEM( Operator, "Operator", defaultFont, Qt::black );
00054 DECLARE_FORMAT_ITEM( Comment, "Comment", defaultFont, QColor( 0x06, 0x78, 0x17) );
00055 DECLARE_FORMAT_ITEM( Constant, "Constant", defaultFont, QColor( 0x00, 0x00, 0xff ) );
00056 DECLARE_FORMAT_ITEM( String, "String", defaultFont, QColor( 0xde, 0x19, 0x07 ) );
00057
00058 setSymbols( "{[(", "}])" );
00059 }
00060
00061 QSourceColorizer::~QSourceColorizer()
00062 {
00063 KConfig* config = QEditorPartFactory::instance()->config();
00064 config->setGroup( "General" );
00065
00066 while( !m_formats.empty() ){
00067 QMap<int, QPair<QString, QTextFormat*> >::Iterator it = m_formats.begin();
00068 STORE_FORMAT_ITEM( it.key() );
00069 delete( (*it).second );
00070 m_formats.erase( it );
00071 }
00072
00073 config->sync();
00074 }
00075
00076
00077 void QSourceColorizer::updateStyles( QMap<QString, QPair<QFont, QColor> >& values )
00078 {
00079 KConfig* config = QEditorPartFactory::instance()->config();
00080 config->setGroup( "General" );
00081
00082 QMap<QString, QPair<QFont, QColor> >::Iterator it = values.begin();
00083 while( it != values.end() ){
00084 QTextFormat* fmt = formatFromId( it.key() );
00085 if( fmt ){
00086 fmt->setFont( (*it).first );
00087 fmt->setColor( (*it).second );
00088 }
00089 ++it;
00090 }
00091
00092 {
00093 QMap<int, QPair<QString, QTextFormat*> >::Iterator it = m_formats.begin();
00094 while( it != m_formats.end() ){
00095 STORE_FORMAT_ITEM( it.key() );
00096 ++it;
00097 }
00098 }
00099
00100 config->sync();
00101 }
00102
00103
00104 void QSourceColorizer::process( QTextDocument* doc, QTextParagraph* parag, int,
00105 bool invalidate )
00106 {
00107 int state = 0;
00108 int startLevel = 0;
00109 int startState = 0;
00110
00111 if( parag->prev() ){
00112 if( parag->prev()->endState() == -1 )
00113 process( doc, parag->prev(), 0, FALSE );
00114 startState = parag->prev()->endState();
00115 startLevel = ((ParagData*) parag->prev()->extraData())->level();
00116 }
00117 state = startState;
00118
00119 ParagData* extra = (ParagData*) parag->extraData();
00120 if( extra ){
00121 extra->clear();
00122 } else {
00123 extra = new ParagData();
00124 parag->setExtraData( extra );
00125 }
00126
00127 HLItemCollection* ctx = m_items.at( state );
00128 QString s = m_editor->text( parag->paragId() );
00129 const QChar* buffer = s.unicode();
00130 int length = s.length();
00131
00132 int pos = 0;
00133 while( pos < length ){
00134 int attr = 0;
00135 int next = state;
00136
00137 int npos = ctx->checkHL( buffer, pos, s.length(), &attr, &next );
00138 if( npos > pos ){
00139 state = next;
00140 ctx = m_items.at( state );
00141 parag->setFormat( pos, npos, format(attr) );
00142 pos = npos;
00143 } else {
00144 const QChar& ch = buffer[ pos ];
00145 int a = ctx->attr();
00146 if( !a ){
00147 if( m_left.find(ch) != -1 ){
00148 extra->add( Symbol::Left, ch, pos );
00149 } else if( m_right.find(ch) != -1 ){
00150 extra->add( Symbol::Right, ch, pos );
00151 }
00152 }
00153 parag->setFormat( pos, pos+1, format(a) );
00154 ++pos;
00155 }
00156 }
00157
00158 int oldState = parag->endState();
00159
00160 if( state != oldState ){
00161 parag->setEndState( state );
00162 }
00163
00164 int oldLevel = extra->level();
00165 int level = computeLevel( parag, startLevel );
00166 if( level != oldLevel ){
00167 extra->setLevel( level > 0 ? level : 0 );
00168 }
00169
00170 parag->setFirstPreProcess( FALSE );
00171
00172 QTextParagraph *p = parag->next();
00173
00174 if( (oldLevel != level
00175 || (oldState == -1 && parag->prev() && parag->endState() != parag->prev()->endState())
00176 || (oldState != -1 && oldState != state))
00177 && invalidate && p && !p->firstPreProcess() && p->endState() != -1 )
00178 {
00179
00180 int count = 0;
00181 while ( p ) {
00182 if ( p->endState() == -1 )
00183 return;
00184
00185 ++count;
00186 p->setEndState( -1 );
00187 p = p->next();
00188 }
00189
00190 }
00191 }
00192
00193 void QSourceColorizer::insertHLItem( int id, HLItemCollection* item )
00194 {
00195 m_items.insert( id, item );
00196 }
00197
00198 void QSourceColorizer::setSymbols( const QString& l, const QString& r )
00199 {
00200 m_left = l;
00201 m_right = r;
00202 }
00203
00204 QTextFormat* QSourceColorizer::formatFromId( const QString& id )
00205 {
00206 QMap<int, QPair<QString, QTextFormat*> >::Iterator it = m_formats.begin();
00207 while( it != m_formats.end() ){
00208 if( (*it).first == id ){
00209 return (*it).second;
00210 }
00211 ++it;
00212 }
00213 return 0;
00214 }
00215
00216 QStringList QSourceColorizer::styleList() const
00217 {
00218 QStringList lst;
00219
00220 QMap<int, QPair<QString, QTextFormat*> >::ConstIterator it = m_formats.begin();
00221 while( it != m_formats.end() ){
00222 lst << (*it).first;
00223 ++it;
00224 }
00225
00226 return lst;
00227 }
00228