regexp.py 文件源码

def refresh(self):
        self.setUpdatesEnabled(False)

        pattern = self.patternComboBox.currentText()
        text = self.textComboBox.currentText()

        escaped = str(pattern)
        escaped.replace('\\', '\\\\')
        escaped.replace('"', '\\"')
        self.escapedPatternLineEdit.setText('"' + escaped + '"')

        rx = QRegExp(pattern)
        cs = Qt.CaseSensitive if self.caseSensitiveCheckBox.isChecked() else Qt.CaseInsensitive
        rx.setCaseSensitivity(cs)
        rx.setMinimal(self.minimalCheckBox.isChecked())
        syntax = self.syntaxComboBox.itemData(self.syntaxComboBox.currentIndex())
        rx.setPatternSyntax(syntax)

        palette = self.patternComboBox.palette()
        if rx.isValid():
            palette.setColor(QPalette.Text,
                    self.textComboBox.palette().color(QPalette.Text))
        else:
            palette.setColor(QPalette.Text, Qt.red)
        self.patternComboBox.setPalette(palette)

        self.indexEdit.setText(str(rx.indexIn(text)))
        self.matchedLengthEdit.setText(str(rx.matchedLength()))

        for i in range(self.MaxCaptures):
            self.captureLabels[i].setEnabled(i <= rx.captureCount())
            self.captureEdits[i].setEnabled(i <= rx.captureCount())
            self.captureEdits[i].setText(rx.cap(i))

        self.setUpdatesEnabled(True)