| static private Array_index_for ( Object index ) : long | ||
| index | Object | |
| return | long | |
public static bool hasOwnProperty(object thisob, object name)
{
string str = Microsoft.JScript.Convert.ToString(name);
if (thisob is ArrayObject)
{
long num = ArrayObject.Array_index_for(str);
if (num >= 0L)
{
object valueAtIndex = ((ArrayObject)thisob).GetValueAtIndex((uint)num);
return((valueAtIndex != null) && (valueAtIndex != Microsoft.JScript.Missing.Value));
}
}
if (!(thisob is JSObject))
{
return(!(LateBinding.GetMemberValue(thisob, str) is Microsoft.JScript.Missing));
}
MemberInfo[] member = ((JSObject)thisob).GetMember(str, BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance | BindingFlags.DeclaredOnly);
int length = member.Length;
if (length <= 1)
{
if (length < 1)
{
return(false);
}
if (member[0] is JSPrototypeField)
{
return(!(((JSPrototypeField)member[0]).value is Microsoft.JScript.Missing));
}
}
return(true);
}
private void DeleteRange(uint start, uint end)
{
uint denseEnd = this.denseArrayLength;
if (denseEnd > end)
{
denseEnd = end;
}
for (; start < denseEnd; start++)
{
denseArray[(int)start] = Missing.Value;
}
if (denseEnd == end)
{
return;
}
//Go through the field table entries, deleting those with names that are indices between start and end
IDictionaryEnumerator e = this.NameTable.GetEnumerator();
ArrayList arr = new ArrayList(this.name_table.count);
while (e.MoveNext())
{
long i = ArrayObject.Array_index_for(e.Key.ToString());
if (i >= start && i <= end)
{
arr.Add(e.Key);
}
}
IEnumerator ae = arr.GetEnumerator();
while (ae.MoveNext())
{
this.DeleteMember((String)ae.Current);
}
}
public static bool hasOwnProperty(Object thisob, Object name)
{
String nameStr = Convert.ToString(name);
if (thisob is ArrayObject)
{
long index = ArrayObject.Array_index_for(nameStr);
if (index >= 0)
{
Object ob = ((ArrayObject)thisob).GetValueAtIndex((uint)index);
return(ob != null && ob != Missing.Value);
}
}
if (thisob is JSObject)
{
MemberInfo[] members = ((JSObject)thisob).GetMember(nameStr, BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.DeclaredOnly);
int n = members.Length;
if (n > 1)
{
return(true);
}
if (n < 1)
{
return(false);
}
if (members[0] is JSPrototypeField)
{
//Do not count it as an "own" property unless it has been written to
return(!(((JSPrototypeField)members[0]).value is Missing));
}
return(true);
}
return(!(LateBinding.GetMemberValue(thisob, nameStr) is Missing));
}
internal override object GetMemberValue(string name)
{
long num = ArrayObject.Array_index_for(name);
if (num < 0L)
{
return(base.GetMemberValue(name));
}
return(this.GetValueAtIndex((uint)num));
}
internal override Object GetMemberValue(String name)
{
if (!this.hydrated)
{
long index = ArrayObject.Array_index_for(name);
if (index >= 0)
{
return(this.GetValueAtIndex((uint)index));
}
}
return(base.GetMemberValue(name));
}
internal override bool DeleteMember(String name)
{
long i = ArrayObject.Array_index_for(name);
if (i >= 0)
{
return(this.DeleteValueAtIndex((uint)i));
}
else
{
return(base.DeleteMember(name));
}
}
internal override void SetMemberValue(String name, Object val)
{
if (name.Equals("length"))
{
throw new JScriptException(JSError.AssignmentToReadOnly);
}
long index = ArrayObject.Array_index_for(name);
if (index < 0)
{
base.SetMemberValue(name, val);
}
else
{
this.value.SetValue(val, (int)index);
}
}
internal override void SetMemberValue(String name, Object value)
{
if (name.Equals("length"))
{
this.length = value;
return;
}
long index = ArrayObject.Array_index_for(name);
if (index < 0)
{
base.SetMemberValue(name, value);
}
else
{
this.SetValueAtIndex((uint)index, value);
}
}
public static bool propertyIsEnumerable(Object thisob, Object name)
{
String nameStr = Convert.ToString(name);
if (thisob is ArrayObject)
{
long index = ArrayObject.Array_index_for(nameStr);
if (index >= 0)
{
Object ob = ((ArrayObject)thisob).GetValueAtIndex((uint)index);
return(ob != null && ob != Missing.Value);
}
}
if (thisob is JSObject)
{
FieldInfo f = ((JSObject)thisob).GetField(nameStr, BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.DeclaredOnly);
return(f != null && f is JSExpandoField);
}
return(false);
}
public static bool propertyIsEnumerable(object thisob, object name)
{
string str = Microsoft.JScript.Convert.ToString(name);
if (thisob is ArrayObject)
{
long num = ArrayObject.Array_index_for(str);
if (num >= 0L)
{
object valueAtIndex = ((ArrayObject)thisob).GetValueAtIndex((uint)num);
return((valueAtIndex != null) && (valueAtIndex != Microsoft.JScript.Missing.Value));
}
}
if (!(thisob is JSObject))
{
return(false);
}
FieldInfo field = ((JSObject)thisob).GetField(str, BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance | BindingFlags.DeclaredOnly);
return((field != null) && (field is JSExpandoField));
}
internal virtual void Concat(ArrayObject source)
{
uint sourceLength = source.len;
if (sourceLength == 0)
{
return;
}
uint oldLength = this.len;
this.SetLength(oldLength + (ulong)sourceLength);
uint slen = sourceLength;
if (!(source is ArrayWrapper) && sourceLength > source.denseArrayLength)
{
slen = source.denseArrayLength;
}
uint j = oldLength;
for (uint i = 0; i < slen; i++)
{
this.SetValueAtIndex(j++, source.GetValueAtIndex(i));
}
if (slen == sourceLength)
{
return;
}
//Iterate over the sparse indices of source
IDictionaryEnumerator e = source.NameTable.GetEnumerator();
while (e.MoveNext())
{
long i = ArrayObject.Array_index_for(e.Key.ToString());
if (i >= 0)
{
this.SetValueAtIndex(oldLength + (uint)i, ((JSField)e.Value).GetValue(null));
}
}
}
