internal string ConvertValueToString(JsVal value)
{
if (value.IsString)
{
var v = Xpcom.XPConnect.Instance.JSValToVariant(ContextPointer, ref value);
return(nsString.Get(v.GetAsAString));
}
// Fallback for non string JsVal's
// If the JsVal is not a string convert it to a JSString
// then convert the JSString to a utf8 string.
// NOTE: This fallback isn't ideal and may cause unicode replacement chars to appear.
IntPtr jsp = SpiderMonkey.ToStringSlow(ContextPointer, value);
var utf8StrPtr = SpiderMonkey.JS_EncodeStringToUTF8(ContextPointer, jsp);
if (utf8StrPtr != IntPtr.Zero)
{
try
{
var length = SpiderMonkey.JS_GetStringEncodingLength(ContextPointer, jsp);
byte[] result = new byte[length];
Marshal.Copy(utf8StrPtr, result, 0, length);
return(Encoding.UTF8.GetString(result, 0, length));
}
finally
{
SpiderMonkey.JS_Free(ContextPointer, utf8StrPtr);
}
}
return(null);
}
