| /* |
| * Copyright (C) 2006 Zack Rusin <zack@kde.org> |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #include "TextBoundaries.h" |
| #include "NotImplemented.h" |
| |
| #include <QString> |
| #include <QChar> |
| |
| #include <QDebug> |
| #include <stdio.h> |
| |
| #include <qtextboundaryfinder.h> |
| |
| namespace WebCore { |
| |
| int findNextWordFromIndex(UChar const* buffer, int len, int position, bool forward) |
| { |
| QString str(reinterpret_cast<QChar const*>(buffer), len); |
| QTextBoundaryFinder iterator(QTextBoundaryFinder::Word, str); |
| iterator.setPosition(position >= len ? len - 1 : position); |
| if (forward) { |
| int pos = iterator.toNextBoundary(); |
| while (pos > 0) { |
| if (QChar(buffer[pos-1]).isLetterOrNumber()) |
| return pos; |
| pos = iterator.toNextBoundary(); |
| } |
| return len; |
| } else { |
| int pos = iterator.toPreviousBoundary(); |
| while (pos > 0) { |
| if (QChar(buffer[pos]).isLetterOrNumber()) |
| return pos; |
| pos = iterator.toPreviousBoundary(); |
| } |
| return 0; |
| } |
| } |
| |
| void findWordBoundary(UChar const* buffer, int len, int position, int* start, int* end) |
| { |
| QString str(reinterpret_cast<QChar const*>(buffer), len); |
| QTextBoundaryFinder iterator(QTextBoundaryFinder::Word, str); |
| iterator.setPosition(position); |
| *start = position > 0 ? iterator.toPreviousBoundary() : 0; |
| *end = position == len ? len : iterator.toNextBoundary(); |
| } |
| |
| } |
| |