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#include <qapplication.h>
#include <qcheckbox.h>
#include <qclipboard.h>
#include <qcombobox.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qpushbutton.h>
#include <qregexp.h>
#include <qstatusbar.h>
#include <qtable.h>
#include "regexptester.h"
RegexpTester::RegexpTester(QWidget* parent, const char* name, bool modal,
WFlags f)
: QDialog(parent, name, modal, f)
{
regexLabel = new QLabel(this);
regexComboBox = new QComboBox(this);
regexComboBox->setEditable(true);
regexComboBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
regexLabel->setBuddy(regexComboBox);
textLabel = new QLabel(this);
textComboBox = new QComboBox(this);
textComboBox->setEditable(true);
textComboBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
textLabel->setBuddy(textComboBox);
caseSensitiveCheckBox = new QCheckBox(this);
caseSensitiveCheckBox->setChecked(true);
minimalCheckBox = new QCheckBox(this);
wildcardCheckBox = new QCheckBox(this);
resultTable = new QTable(3, 3, this);
resultTable->verticalHeader()->hide();
resultTable->setLeftMargin(0);
resultTable->horizontalHeader()->hide();
resultTable->setTopMargin(0);
resultTable->setReadOnly(true);
executePushButton = new QPushButton(this);
executePushButton->setDefault(true);
copyPushButton = new QPushButton(this);
quitPushButton = new QPushButton(this);
statusBar = new QStatusBar(this);
QGridLayout *gridLayout = new QGridLayout(2, 2, 6);
gridLayout->addWidget(regexLabel, 0, 0);
gridLayout->addWidget(regexComboBox, 0, 1);
gridLayout->addWidget(textLabel, 1, 0);
gridLayout->addWidget(textComboBox, 1, 1);
QHBoxLayout *checkboxLayout = new QHBoxLayout(0, 6, 6);
checkboxLayout->addWidget(caseSensitiveCheckBox);
checkboxLayout->addWidget(minimalCheckBox);
checkboxLayout->addWidget(wildcardCheckBox);
checkboxLayout->addStretch(1);
QVBoxLayout *buttonLayout = new QVBoxLayout(0, 6, 6);
buttonLayout->addWidget(executePushButton);
buttonLayout->addWidget(copyPushButton);
buttonLayout->addWidget(quitPushButton);
buttonLayout->addStretch(1);
QHBoxLayout *middleLayout = new QHBoxLayout(0, 6, 6);
middleLayout->addWidget(resultTable);
middleLayout->addLayout(buttonLayout);
QVBoxLayout *mainLayout = new QVBoxLayout(this, 6, 6);
mainLayout->addLayout(gridLayout);
mainLayout->addLayout(checkboxLayout);
mainLayout->addLayout(middleLayout);
mainLayout->addWidget(statusBar);
resize(QSize(500, 350).expandedTo(minimumSizeHint()));
languageChange();
connect(copyPushButton, SIGNAL(clicked()), this, SLOT(copy()));
connect(executePushButton, SIGNAL(clicked()), this, SLOT(execute()));
connect(quitPushButton, SIGNAL(clicked()), this, SLOT(accept()));
execute();
}
void RegexpTester::execute()
{
QString regex = regexComboBox->currentText();
QString text = textComboBox->currentText();
if (!regex.isEmpty() && !text.isEmpty()) {
QRegExp re(regex);
re.setCaseSensitive(caseSensitiveCheckBox->isChecked());
re.setMinimal(minimalCheckBox->isChecked());
bool wildcard = wildcardCheckBox->isChecked();
re.setWildcard(wildcard);
if (!re.isValid()) {
statusBar->message(tr("Invalid regular expression: %1")
.arg(re.errorString()));
return;
}
int offset = re.search(text);
int captures = re.numCaptures();
int row = 0;
const int OFFSET = 5;
resultTable->setNumRows(0);
resultTable->setNumRows(captures + OFFSET);
resultTable->setText(row, 0, tr("Regex"));
QString escaped = regex;
escaped = escaped.replace("\\", "\\\\");
resultTable->setText(row, 1, escaped);
resultTable->item(row, 1)->setSpan(1, 2);
if (offset != -1) {
++row;
resultTable->setText(row, 0, tr("Offset"));
resultTable->setText(row, 1, QString::number(offset));
resultTable->item(row, 1)->setSpan(1, 2);
if (!wildcard) {
++row;
resultTable->setText(row, 0, tr("Captures"));
resultTable->setText(row, 1, QString::number(captures));
resultTable->item(row, 1)->setSpan(1, 2);
++row;
resultTable->setText(row, 1, tr("Text"));
resultTable->setText(row, 2, tr("Characters"));
}
++row;
resultTable->setText(row, 0, tr("Match"));
resultTable->setText(row, 1, re.cap(0));
resultTable->setText(row, 2, QString::number(re.matchedLength()));
if (!wildcard) {
for (int i = 1; i <= captures; ++i) {
resultTable->setText(row + i, 0, tr("Capture #%1").arg(i));
resultTable->setText(row + i, 1, re.cap(i));
resultTable->setText(row + i, 2,
QString::number(re.cap(i).length()));
}
}
else
resultTable->setNumRows(3);
}
else {
resultTable->setNumRows(2);
++row;
resultTable->setText(row, 0, tr("No matches"));
resultTable->item(row, 0)->setSpan(1, 3);
}
resultTable->adjustColumn(0);
resultTable->adjustColumn(1);
resultTable->adjustColumn(2);
statusBar->message(tr("Executed \"%1\" on \"%2\"")
.arg(escaped).arg(text));
}
else
statusBar->message(tr("A regular expression and a text must be given"));
}
void RegexpTester::copy()
{
QString escaped = regexComboBox->currentText();
if (!escaped.isEmpty()) {
escaped = escaped.replace("\\", "\\\\");
QClipboard *cb = QApplication::clipboard();
cb->setText(escaped, QClipboard::Clipboard);
if (cb->supportsSelection())
cb->setText(escaped, QClipboard::Selection);
statusBar->message(tr("Copied \"%1\" to the clipboard")
.arg(escaped));
}
}
void RegexpTester::languageChange()
{
setCaption(tr("Regex Tester"));
regexLabel->setText(tr("&Regex:"));
regexComboBox->insertItem(tr("[A-Z]+=(\\d+):(\\d*)"));
textLabel->setText(tr("&Text:"));
textComboBox->insertItem(tr("ABC=12:3456"));
caseSensitiveCheckBox->setText(tr("Case &Sensitive"));
minimalCheckBox->setText(tr("&Minimal"));
wildcardCheckBox->setText(tr("&Wildcard"));
copyPushButton->setText(tr("&Copy"));
executePushButton->setText(tr("&Execute"));
quitPushButton->setText(tr("&Quit"));
}
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