18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2006 Zack Rusin <zack@kde.org> 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * All rights reserved. 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "TextBoundaries.h" 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "NotImplemented.h" 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <QString> 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <QChar> 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <QDebug> 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <stdio.h> 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <qtextboundaryfinder.h> 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 410bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdochnamespace WebCore { 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectint findNextWordFromIndex(UChar const* buffer, int len, int position, bool forward) 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project QString str(reinterpret_cast<QChar const*>(buffer), len); 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project QTextBoundaryFinder iterator(QTextBoundaryFinder::Word, str); 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project iterator.setPosition(position >= len ? len - 1 : position); 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (forward) { 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int pos = iterator.toNextBoundary(); 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project while (pos > 0) { 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (QChar(buffer[pos-1]).isLetterOrNumber()) 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return pos; 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project pos = iterator.toNextBoundary(); 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return len; 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } else { 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int pos = iterator.toPreviousBoundary(); 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project while (pos > 0) { 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (QChar(buffer[pos]).isLetterOrNumber()) 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return pos; 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project pos = iterator.toPreviousBoundary(); 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return 0; 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid findWordBoundary(UChar const* buffer, int len, int position, int* start, int* end) 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project QString str(reinterpret_cast<QChar const*>(buffer), len); 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project QTextBoundaryFinder iterator(QTextBoundaryFinder::Word, str); 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project iterator.setPosition(position); 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project *start = position > 0 ? iterator.toPreviousBoundary() : 0; 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project *end = position == len ? len : iterator.toNextBoundary(); 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 78