Merge branch '4.6' into mmfphonon

1 files changed, 30 insertions, 2 deletions

diff --git a/src/script/api/qscriptstring.cpp b/src/script/api/qscriptstring.cpp
index 2fb157f..10fccd0 100644
--- a/src/script/api/qscriptstring.cpp
+++ b/src/script/api/qscriptstring.cpp
@@ -68,6 +68,10 @@ QT_BEGIN_NAMESPACE
 
   Call the toString() function to obtain the string that a
   QScriptString represents.
+
+  Call the toArrayIndex() function to convert a QScriptString to an
+  array index. This is useful when using QScriptClass to implement
+  array-like objects.
 */
 
 /*!
@@ -139,8 +143,7 @@ QScriptString &QScriptString::operator=(const QScriptString &other)
 */
 bool QScriptString::isValid() const
 {
-    Q_D(const QScriptString);
-    return (d && d->engine);
+    return QScriptStringPrivate::isValid(*this);
 }
 
 /*!
@@ -165,6 +168,31 @@ bool QScriptString::operator!=(const QScriptString &other) const
 }
 
 /*!
+  \since 4.6
+
+  Attempts to convert this QScriptString to a QtScript array index,
+  and returns the result.
+
+  If a conversion error occurs, *\a{ok} is set to false; otherwise
+  *\a{ok} is set to true.
+*/
+quint32 QScriptString::toArrayIndex(bool *ok) const
+{
+    Q_D(const QScriptString);
+    if (!d) {
+        if (ok)
+            *ok = false;
+        return -1;
+    }
+    bool tmp;
+    bool *okok = ok ? ok : &tmp;
+    quint32 result = d->identifier.toArrayIndex(okok);
+    if (!*okok)
+        result = -1;
+    return result;
+}
+
+/*!
   Returns the string that this QScriptString represents, or a
   null string if this QScriptString is not valid.