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-rw-r--r--kspell2/filter.cpp309
1 files changed, 0 insertions, 309 deletions
diff --git a/kspell2/filter.cpp b/kspell2/filter.cpp
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--- a/kspell2/filter.cpp
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-// -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; -*-
-/*
- * filter.cpp
- *
- * Copyright (C) 2004 Zack Rusin <[email protected]>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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 for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#include "filter.h"
-
-#include "settings.h"
-
-#include <kstaticdeleter.h>
-#include <kdebug.h>
-
-#include <tqstring.h>
-
-namespace KSpell2
-{
-
-static Word endWord;
-static KStaticDeleter<Filter> sd;
-static Filter* defFilter = 0;
-
-class Filter::Private
-{
-public:
- // The reason it's not in the class directly is that
- // i'm not 100% sure that having the settings() here is
- // the way i want to be doing this.
- Settings *settings;
-};
-
-Filter* Filter::defaultFilter()
-{
- if ( !defFilter )
- sd.setObject( defFilter, new Filter() );
- return defFilter;
-}
-
-Word Filter::end()
-{
- return endWord;
-}
-
-Filter::Filter()
- : m_currentPosition( 0 )
-{
- d = new Private;
- d->settings = 0;
-}
-
-Filter::~Filter()
-{
- delete d; d = 0;
-}
-
-void Filter::setSettings( Settings *conf )
-{
- d->settings = conf;
-}
-
-Settings *Filter::settings() const
-{
- return d->settings;
-}
-
-void Filter::restart()
-{
- m_currentPosition = 0;
-}
-
-void Filter::setBuffer( const TQString& buffer )
-{
- m_buffer = buffer;
- m_currentPosition = 0;
-}
-
-TQString Filter::buffer() const
-{
- return m_buffer;
-}
-
-bool Filter::atEnd() const
-{
- if ( m_currentPosition >= m_buffer.length() ) {
- return true;
- } else
- return false;
-}
-
-Word Filter::nextWord() const
-{
- TQChar currentChar = skipToLetter( m_currentPosition );
-
- if ( m_currentPosition >= m_buffer.length() ) {
- return Filter::end();
- }
-
- bool allUppercase = currentChar.category() & TQChar::Letter_Uppercase;
- bool runTogether = false;
-
- TQString foundWord;
- int start = m_currentPosition;
- while ( currentChar.isLetter() ) {
- if ( currentChar.category() & TQChar::Letter_Lowercase )
- allUppercase = false;
-
- /* FIXME: this does not work for Hebrew for example
- //we consider run-together words as mixed-case words
- if ( !allUppercase &&
- currentChar.category() & TQChar::Letter_Uppercase )
- runTogether = true;
- */
-
- foundWord += currentChar;
- ++m_currentPosition;
- currentChar = m_buffer[ m_currentPosition ];
- }
-
- if ( shouldBeSkipped( allUppercase, runTogether, foundWord ) )
- return nextWord();
-
- return Word( foundWord, start );
-}
-
-Word Filter::previousWord() const
-{
- while ( !m_buffer[ m_currentPosition ].isLetter() &&
- m_currentPosition != 0) {
- --m_currentPosition;
- }
-
- if ( m_currentPosition == 0 ) {
- return Filter::end();
- }
-
- TQString foundWord;
- int start = m_currentPosition;
- while ( m_buffer[ start ].isLetter() ) {
- foundWord.prepend( m_buffer[ m_currentPosition ] );
- --start;
- }
-
- return Word( foundWord, start );
-}
-
-Word Filter::wordAtPosition( unsigned int pos ) const
-{
- if ( pos > m_buffer.length() )
- return Filter::end();
-
- int currentPosition = pos - 1;
- TQString foundWord;
- while ( currentPosition >= 0 &&
- m_buffer[ currentPosition ].isLetter() ) {
- foundWord.prepend( m_buffer[ currentPosition ] );
- --currentPosition;
- }
-
- // currentPosition == 0 means the first char is not letter
- // currentPosition == -1 means we reached the beginning
- int start = (currentPosition < 0) ? 0 : ++currentPosition;
- currentPosition = pos ;
- if ( m_buffer[ currentPosition ].isLetter() ) {
- while ( m_buffer[ currentPosition ].isLetter() ) {
- foundWord.append( m_buffer[ currentPosition ] );
- ++currentPosition;
- }
- }
-
- return Word( foundWord, start );
-}
-
-
-void Filter::setCurrentPosition( int i )
-{
- m_currentPosition = i;
-
- //go back to the last word so that next word returns something
- //useful
- while ( m_buffer[m_currentPosition].isLetter() && m_currentPosition > 0 )
- --m_currentPosition;
-}
-
-int Filter::currentPosition() const
-{
- return m_currentPosition;
-}
-
-void Filter::replace( const Word& w, const TQString& newWord)
-{
- int oldLen = w.word.length();
- int newLen = newWord.length();
-
- if ( oldLen != newLen && m_currentPosition > w.start ) {
- if ( m_currentPosition > w.start ) {
- int len = newLen - oldLen;
- m_currentPosition += len;
- }
- }
- m_buffer = m_buffer.replace( w.start, oldLen, newWord );
-}
-
-TQString Filter::context() const
-{
- int len = 60;
- //we don't want the expression underneath casted to an unsigned int
- //which would cause it to always evaluate to false
- int signedPosition = m_currentPosition;
- bool begin = ( (signedPosition - len/2)<=0 ) ? true : false;
-
-
- TQString buffer = m_buffer;
- Word word = wordAtPosition( m_currentPosition );
- buffer = buffer.replace( word.start, word.word.length(),
- TQString( "<b>%1</b>" ).arg( word.word ) );
-
- TQString context;
- if ( begin )
- context = TQString( "%1...")
- .arg( buffer.mid( 0, len ) );
- else
- context = TQString( "...%1..." )
- .arg( buffer.mid( m_currentPosition - 20, len ) );
-
- context = context.replace( '\n', ' ' );
-
- return context;
-}
-
-bool Filter::trySkipLinks() const
-{
- TQChar currentChar = m_buffer[ m_currentPosition ];
-
- uint length = m_buffer.length();
- //URL - if so skip
- if ( currentChar == ':' &&
- ( m_buffer[ ++m_currentPosition] == '/' || ( m_currentPosition + 1 ) >= length ) ) {
- //in both cases url is considered finished at the first whitespace occurence
- while ( !m_buffer[ m_currentPosition++ ].isSpace() && m_currentPosition < length )
- ;
- return true;
- }
-
- //Email - if so skip
- if ( currentChar == '@' ) {
- while ( !m_buffer[ ++m_currentPosition ].isSpace() && m_currentPosition < length )
- ;
- return true;
- }
-
- return false;
-}
-
-bool Filter::ignore( const TQString& word ) const
-{
- if ( d->settings ) {
- return d->settings->ignore( word );
- }
- return false;
-}
-
-TQChar Filter::skipToLetter( uint &fromPosition ) const
-{
-
- TQChar currentChar = m_buffer[ fromPosition ];
- while ( !currentChar.isLetter() &&
- ++fromPosition < m_buffer.length() ) {
- currentChar = m_buffer[ fromPosition ];
- }
- return currentChar;
-}
-
-bool Filter::shouldBeSkipped( bool wordWasUppercase, bool wordWasRunTogether,
- const TQString& foundWord ) const
-{
- bool checkUpper = ( d->settings ) ?
- d->settings->checkUppercase () : true;
- bool skipRunTogether = ( d->settings ) ?
- d->settings->skipRunTogether() : true;
-
- if ( trySkipLinks() )
- return true;
-
- if ( wordWasUppercase && !checkUpper )
- return true;
-
- if ( wordWasRunTogether && skipRunTogether )
- return true;
-
- return ignore( foundWord );
-}
-
-}
generated by cgit v1.2.1 (git 2.18.0) at 2025-01-10 12:07:17 +0000