diff options
Diffstat (limited to 'src/declarative/qml/rewriter/textwriter.cpp')
| -rw-r--r-- | src/declarative/qml/rewriter/textwriter.cpp | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/src/declarative/qml/rewriter/textwriter.cpp b/src/declarative/qml/rewriter/textwriter.cpp deleted file mode 100644 index 5cf5c0388e..0000000000 --- a/src/declarative/qml/rewriter/textwriter.cpp +++ /dev/null @@ -1,217 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "textwriter_p.h" - -QT_QML_BEGIN_NAMESPACE - -using namespace QDeclarativeJS; - -TextWriter::TextWriter() - :string(0), cursor(0) -{ -} - -static bool overlaps(int posA, int lengthA, int posB, int lengthB) { - return (posA < posB + lengthB && posA + lengthA > posB + lengthB) - || (posA < posB && posA + lengthA > posB); -} - -bool TextWriter::hasOverlap(int pos, int length) -{ - { - QListIterator<Replace> i(replaceList); - while (i.hasNext()) { - const Replace &cmd = i.next(); - if (overlaps(pos, length, cmd.pos, cmd.length)) - return true; - } - } - { - QListIterator<Move> i(moveList); - while (i.hasNext()) { - const Move &cmd = i.next(); - if (overlaps(pos, length, cmd.pos, cmd.length)) - return true; - } - return false; - } -} - -bool TextWriter::hasMoveInto(int pos, int length) -{ - QListIterator<Move> i(moveList); - while (i.hasNext()) { - const Move &cmd = i.next(); - if (cmd.to >= pos && cmd.to < pos + length) - return true; - } - return false; -} - -void TextWriter::replace(int pos, int length, const QString &replacement) -{ - Q_ASSERT(!hasOverlap(pos, length)); - Q_ASSERT(!hasMoveInto(pos, length)); - - Replace cmd; - cmd.pos = pos; - cmd.length = length; - cmd.replacement = replacement; - replaceList += cmd; -} - -void TextWriter::move(int pos, int length, int to) -{ - Q_ASSERT(!hasOverlap(pos, length)); - - Move cmd; - cmd.pos = pos; - cmd.length = length; - cmd.to = to; - moveList += cmd; -} - -void TextWriter::doReplace(const Replace &replace) -{ - int diff = replace.replacement.size() - replace.length; - { - QMutableListIterator<Replace> i(replaceList); - while (i.hasNext()) { - Replace &c = i.next(); - if (replace.pos < c.pos) - c.pos += diff; - else if (replace.pos + replace.length < c.pos + c.length) - c.length += diff; - } - } - { - QMutableListIterator<Move> i(moveList); - while (i.hasNext()) { - Move &c = i.next(); - if (replace.pos < c.pos) - c.pos += diff; - else if (replace.pos + replace.length < c.pos + c.length) - c.length += diff; - - if (replace.pos < c.to) - c.to += diff; - } - } - - if (string) { - string->replace(replace.pos, replace.length, replace.replacement); - } else if (cursor) { - cursor->setPosition(replace.pos); - cursor->setPosition(replace.pos + replace.length, QTextCursor::KeepAnchor); - cursor->insertText(replace.replacement); - } -} - -void TextWriter::doMove(const Move &move) -{ - QString text; - if (string) { - text = string->mid(move.pos, move.length); - } else if (cursor) { - cursor->setPosition(move.pos); - cursor->setPosition(move.pos + move.length, QTextCursor::KeepAnchor); - text = cursor->selectedText(); - } - - Replace cut; - cut.pos = move.pos; - cut.length = move.length; - Replace paste; - paste.pos = move.to; - paste.length = 0; - paste.replacement = text; - - replaceList.append(cut); - replaceList.append(paste); - - Replace cmd; - while (!replaceList.isEmpty()) { - cmd = replaceList.first(); - replaceList.removeFirst(); - doReplace(cmd); - } -} - -void TextWriter::write(QString *s) -{ - string = s; - write_helper(); - string = 0; -} - -void TextWriter::write(QTextCursor *textCursor) -{ - cursor = textCursor; - write_helper(); - cursor = 0; -} - -void TextWriter::write_helper() -{ - if (cursor) - cursor->beginEditBlock(); - { - Replace cmd; - while (!replaceList.isEmpty()) { - cmd = replaceList.first(); - replaceList.removeFirst(); - doReplace(cmd); - } - } - { - Move cmd; - while (!moveList.isEmpty()) { - cmd = moveList.first(); - moveList.removeFirst(); - doMove(cmd); - } - } - if (cursor) - cursor->endEditBlock(); -} - -QT_QML_END_NAMESPACE |