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Speeding-up CSS parsing for big one-line ones

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This commit is contained in:
Abs62 2017-10-07 23:33:02 +03:00
parent b777cd8e18
commit 8edb5435d8
1 changed files with 14 additions and 12 deletions
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26
dictionary.cc
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@ -275,9 +275,6 @@ bool Class::loadIconFromFile( QString const & _filename, bool isFullName )
void Class::isolateCSS( QString & css, QString const & wrapperSelector )
{
QRegExp namespaceRegExp( "(\\w+|\\*)\\|" );
namespaceRegExp.setMinimal( true );
if( css.isEmpty() )
return;
@ -363,19 +360,24 @@ void Class::isolateCSS( QString & css, QString const & wrapperSelector )
if( ch.isLetter() || ch == '*' )
{
// Check for namespace prefix
int n = css.indexOf( '\n', currentPos );
if( n > currentPos || n < 0 )
QChar chr;
for( int i = currentPos; i < css.length(); i++ )
{
QString str = css.mid( currentPos, n < 0 ? -1 : n - currentPos );
if( str.indexOf( namespaceRegExp ) == 0 )
{
// Copy prefix as is
QString space = namespaceRegExp.cap( 0 );
newCSS.append( space );
currentPos += space.length();
chr = css[ i ];
if( chr.isLetterOrNumber() || chr.isMark() || chr == '_' || chr == '-'
|| ( chr == '*' && i == currentPos ) )
continue;
if( chr == '|' )
{
// Namespace prefix found, copy it as is
newCSS.append( css.mid( currentPos, i - currentPos + 1 ) );
currentPos = i + 1;
}
break;
}
if ( chr == '|' )
continue;
}
// This is some selector.