Introduce default ctors for QRegularExpressionMatch(Iterator)

This allows to put them in containers, and to enable subsequent
features for QString.

Change-Id: I3b3fe695ffe6930331ed9f670738376722e0fc36
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/src/corelib/tools/qregularexpression.cpp b/src/corelib/tools/qregularexpression.cpp
index 06c696e1e2..e3f39a2662 100644
--- a/src/corelib/tools/qregularexpression.cpp
+++ b/src/corelib/tools/qregularexpression.cpp
@@ -1658,6 +1658,26 @@ QString QRegularExpression::escape(const QString &str)
 }
 
 /*!
+    \since 5.1
+
+    Constructs a valid, empty QRegularExpressionMatch object. The regular
+    expression is set to a default-constructed one; the match type to
+    QRegularExpression::NoMatch and the match options to
+    QRegularExpression::NoMatchOption.
+
+    The object will report no match through the hasMatch() and the
+    hasPartialMatch() member functions.
+*/
+QRegularExpressionMatch::QRegularExpressionMatch()
+    : d(new QRegularExpressionMatchPrivate(QRegularExpression(),
+                                           QString(),
+                                           QRegularExpression::NoMatch,
+                                           QRegularExpression::NoMatchOption))
+{
+    d->isValid = true;
+}
+
+/*!
     Destroys the match result.
 */
 QRegularExpressionMatch::~QRegularExpressionMatch()
@@ -2001,6 +2021,26 @@ QRegularExpressionMatchIterator::QRegularExpressionMatchIterator(QRegularExpress
 }
 
 /*!
+    \since 5.1
+
+    Constructs an empty, valid QRegularExpressionMatchIterator object. The
+    regular expression is set to a default-constructed one; the match type to
+    QRegularExpression::NoMatch and the match options to
+    QRegularExpression::NoMatchOption.
+
+    Invoking the hasNext() member function on the constructed object will
+    return false, as the iterator is not iterating on a valid sequence of
+    matches.
+*/
+QRegularExpressionMatchIterator::QRegularExpressionMatchIterator()
+    : d(new QRegularExpressionMatchIteratorPrivate(QRegularExpression(),
+                                                   QRegularExpression::NoMatch,
+                                                   QRegularExpression::NoMatchOption,
+                                                   QRegularExpressionMatch()))
+{
+}
+
+/*!
     Destroys the QRegularExpressionMatchIterator object.
 */
 QRegularExpressionMatchIterator::~QRegularExpressionMatchIterator()