2011-04-27 10:05:43 +00:00
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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2011-05-07 20:57:49 +00:00
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#include <QtWidgets>
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2011-04-27 10:05:43 +00:00
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#include "regexpdialog.h"
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RegExpDialog::RegExpDialog(QWidget *parent)
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: QDialog(parent)
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{
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patternComboBox = new QComboBox;
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patternComboBox->setEditable(true);
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patternComboBox->setSizePolicy(QSizePolicy::Expanding,
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QSizePolicy::Preferred);
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patternLabel = new QLabel(tr("&Pattern:"));
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patternLabel->setBuddy(patternComboBox);
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escapedPatternLineEdit = new QLineEdit;
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escapedPatternLineEdit->setReadOnly(true);
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QPalette palette = escapedPatternLineEdit->palette();
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palette.setBrush(QPalette::Base,
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palette.brush(QPalette::Disabled, QPalette::Base));
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escapedPatternLineEdit->setPalette(palette);
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escapedPatternLabel = new QLabel(tr("&Escaped Pattern:"));
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escapedPatternLabel->setBuddy(escapedPatternLineEdit);
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syntaxComboBox = new QComboBox;
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syntaxComboBox->addItem(tr("Regular expression v1"), QRegExp::RegExp);
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syntaxComboBox->addItem(tr("Regular expression v2"), QRegExp::RegExp2);
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syntaxComboBox->addItem(tr("Wildcard"), QRegExp::Wildcard);
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syntaxComboBox->addItem(tr("Fixed string"), QRegExp::FixedString);
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syntaxComboBox->addItem(tr("W3C Xml Schema 1.1"), QRegExp::W3CXmlSchema11);
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syntaxLabel = new QLabel(tr("&Pattern Syntax:"));
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syntaxLabel->setBuddy(syntaxComboBox);
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textComboBox = new QComboBox;
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textComboBox->setEditable(true);
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textComboBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
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textLabel = new QLabel(tr("&Text:"));
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textLabel->setBuddy(textComboBox);
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caseSensitiveCheckBox = new QCheckBox(tr("Case &Sensitive"));
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caseSensitiveCheckBox->setChecked(true);
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minimalCheckBox = new QCheckBox(tr("&Minimal"));
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indexLabel = new QLabel(tr("Index of Match:"));
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indexEdit = new QLineEdit;
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indexEdit->setReadOnly(true);
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matchedLengthLabel = new QLabel(tr("Matched Length:"));
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matchedLengthEdit = new QLineEdit;
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matchedLengthEdit->setReadOnly(true);
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for (int i = 0; i < MaxCaptures; ++i) {
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captureLabels[i] = new QLabel(tr("Capture %1:").arg(i));
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captureEdits[i] = new QLineEdit;
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captureEdits[i]->setReadOnly(true);
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}
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captureLabels[0]->setText(tr("Match:"));
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QHBoxLayout *checkBoxLayout = new QHBoxLayout;
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checkBoxLayout->addWidget(caseSensitiveCheckBox);
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checkBoxLayout->addWidget(minimalCheckBox);
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checkBoxLayout->addStretch(1);
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QGridLayout *mainLayout = new QGridLayout;
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mainLayout->addWidget(patternLabel, 0, 0);
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mainLayout->addWidget(patternComboBox, 0, 1);
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mainLayout->addWidget(escapedPatternLabel, 1, 0);
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mainLayout->addWidget(escapedPatternLineEdit, 1, 1);
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mainLayout->addWidget(syntaxLabel, 2, 0);
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mainLayout->addWidget(syntaxComboBox, 2, 1);
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mainLayout->addLayout(checkBoxLayout, 3, 0, 1, 2);
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mainLayout->addWidget(textLabel, 4, 0);
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mainLayout->addWidget(textComboBox, 4, 1);
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mainLayout->addWidget(indexLabel, 5, 0);
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mainLayout->addWidget(indexEdit, 5, 1);
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mainLayout->addWidget(matchedLengthLabel, 6, 0);
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mainLayout->addWidget(matchedLengthEdit, 6, 1);
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for (int j = 0; j < MaxCaptures; ++j) {
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mainLayout->addWidget(captureLabels[j], 7 + j, 0);
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mainLayout->addWidget(captureEdits[j], 7 + j, 1);
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}
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setLayout(mainLayout);
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connect(patternComboBox, SIGNAL(editTextChanged(QString)),
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this, SLOT(refresh()));
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connect(textComboBox, SIGNAL(editTextChanged(QString)),
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this, SLOT(refresh()));
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connect(caseSensitiveCheckBox, SIGNAL(toggled(bool)),
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this, SLOT(refresh()));
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connect(minimalCheckBox, SIGNAL(toggled(bool)), this, SLOT(refresh()));
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connect(syntaxComboBox, SIGNAL(currentIndexChanged(int)),
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this, SLOT(refresh()));
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patternComboBox->addItem(tr("[A-Za-z_]+([A-Za-z_0-9]*)"));
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textComboBox->addItem(tr("(10 + delta4) * 32"));
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setWindowTitle(tr("RegExp"));
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setFixedHeight(sizeHint().height());
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refresh();
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}
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void RegExpDialog::refresh()
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{
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setUpdatesEnabled(false);
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QString pattern = patternComboBox->currentText();
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QString text = textComboBox->currentText();
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QString escaped = pattern;
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escaped.replace("\\", "\\\\");
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escaped.replace("\"", "\\\"");
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escaped.prepend("\"");
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escaped.append("\"");
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escapedPatternLineEdit->setText(escaped);
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QRegExp rx(pattern);
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Qt::CaseSensitivity cs = Qt::CaseInsensitive;
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if (caseSensitiveCheckBox->isChecked())
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cs = Qt::CaseSensitive;
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rx.setCaseSensitivity(cs);
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rx.setMinimal(minimalCheckBox->isChecked());
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QRegExp::PatternSyntax syntax = QRegExp::PatternSyntax(
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syntaxComboBox->itemData(syntaxComboBox->currentIndex()).toInt());
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rx.setPatternSyntax(syntax);
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QPalette palette = patternComboBox->palette();
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if (rx.isValid()) {
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palette.setColor(QPalette::Text,
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textComboBox->palette().color(QPalette::Text));
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} else {
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palette.setColor(QPalette::Text, Qt::red);
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}
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patternComboBox->setPalette(palette);
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indexEdit->setText(QString::number(rx.indexIn(text)));
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matchedLengthEdit->setText(QString::number(rx.matchedLength()));
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for (int i = 0; i < MaxCaptures; ++i) {
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captureLabels[i]->setEnabled(i <= rx.captureCount());
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captureEdits[i]->setEnabled(i <= rx.captureCount());
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captureEdits[i]->setText(rx.cap(i));
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}
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setUpdatesEnabled(true);
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}
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