}
/*!
+ Returns the number of capturing groups inside the pattern string,
+ or -1 if the regular expression is not valid.
+
+ \sa isValid()
+*/
+int QRegularExpression::captureCount() const
+{
+ if (!isValid()) // will compile the pattern
+ return -1;
+ return d->capturingCount;
+}
+
+/*!
Returns true if the regular expression is a valid regular expression (that
is, it contains no syntax errors, etc.), or false otherwise. Use
errorString() to obtain a textual description of the error.
void serialize();
void operatoreq_data();
void operatoreq();
+ void captureCount_data();
+ void captureCount();
private:
void provideRegularExpressions();
}
}
+void tst_QRegularExpression::captureCount_data()
+{
+ QTest::addColumn<QString>("pattern");
+ QTest::addColumn<int>("captureCount");
+ QTest::newRow("captureCount01") << "a pattern" << 0;
+ QTest::newRow("captureCount02") << "a.*pattern" << 0;
+ QTest::newRow("captureCount03") << "(a) pattern" << 1;
+ QTest::newRow("captureCount04") << "(a).*(pattern)" << 2;
+ QTest::newRow("captureCount05") << "^(?<article>\\w+) (?<noun>\\w+)$" << 2;
+ QTest::newRow("captureCount06") << "^(\\w+) (?<word>\\w+) (.)$" << 3;
+ QTest::newRow("captureCount07") << "(?:non capturing) (capturing) (?<n>named) (?:non (capturing))" << 3;
+ QTest::newRow("captureCount08") << "(?|(a)(b)|(c)(d))" << 2;
+ QTest::newRow("captureCount09") << "(?|(a)(b)|(c)(d)(?:e))" << 2;
+ QTest::newRow("captureCount10") << "(?|(a)(b)|(c)(d)(e)) (f)(g)" << 5;
+ QTest::newRow("captureCount11") << "(?|(a)(b)|(c)(d)(e)) (f)(?:g)" << 4;
+ QTest::newRow("captureCount_invalid01") << "(.*" << -1;
+ QTest::newRow("captureCount_invalid02") << "\\" << -1;
+ QTest::newRow("captureCount_invalid03") << "(?<noun)" << -1;
+}
+
+void tst_QRegularExpression::captureCount()
+{
+ QFETCH(QString, pattern);
+ QRegularExpression re(pattern);
+ QTEST(re.captureCount(), "captureCount");
+ if (!re.isValid())
+ QCOMPARE(re.captureCount(), -1);
+}
+
QTEST_APPLESS_MAIN(tst_QRegularExpression)
#include "tst_qregularexpression.moc"