public static JSObject split(JSObject self, Arguments args)
{
if (args.Length == 0 || !args[0].IsDefinded)
return new Array(new object[] { self.ToString() });
uint limit = uint.MaxValue;
if (args.Length > 1)
{
var limO = args[1];
if (limO.valueType >= JSObjectType.Object)
limO = limO.ToPrimitiveValue_Value_String();
switch (limO.valueType)
{
case JSObjectType.Int:
case JSObjectType.Bool:
{
limit = (uint)limO.iValue;
break;
}
case JSObjectType.Double:
{
limit = (uint)limO.dValue;
break;
}
case JSObjectType.Object:
case JSObjectType.Date:
case JSObjectType.Function:
case JSObjectType.String:
{
double d;
Tools.ParseNumber(limO.ToString(), 0, out d, Tools.ParseNumberOptions.Default);
limit = (uint)d;
break;
}
}
}
if (args[0].valueType == JSObjectType.Object && args[0].oValue is RegExp)
{
string selfString = self.ToPrimitiveValue_Value_String().ToString();
var match = (args[0].oValue as RegExp).regEx.Match(selfString);
if ((args[0].oValue as RegExp).regEx.ToString().Length == 0)
{
match = match.NextMatch();
if (limit == uint.MaxValue)
limit = (uint)selfString.Length;
}
Array res = new Array();
int index = 0;
while (res.data.Length < limit)
{
if (!match.Success)
{
res.data.Add(selfString.Substring(index, selfString.Length - index));
break;
}
int nindex = match.Index;
if (nindex == -1)
{
res.data.Add(selfString.Substring(index, selfString.Length - index));
break;
}
else
{
var item = selfString.Substring(index, nindex - index);
res.data.Add(item);
index = nindex + match.Length;
}
match = match.NextMatch();
}
return res;
}
else
{
string fstr = args[0].ToString();
string selfString = self.ToPrimitiveValue_Value_String().ToString();
Array res = new Array();
if (string.IsNullOrEmpty(fstr))
{
for (var i = 0; i < System.Math.Min(selfString.Length, limit); i++)
res.data.Add(selfString[i]);
}
else
{
int index = 0;
while (res.data.Length < limit)
{
int nindex = selfString.IndexOf(fstr, index);
if (nindex == -1)
{
res.data.Add(selfString.Substring(index, selfString.Length - index));
break;
}
else
{
var item = selfString.Substring(index, nindex - index);
res.data.Add(item);
index = nindex + fstr.Length;
}
}
}
return res;
}
}
public static JSObject substring(JSObject self, Arguments args)
{
string selfString = self.ToPrimitiveValue_Value_String().ToString();
if (args.Length == 0)
return selfString;
int pos0 = 0;
switch (args[0].valueType)
{
case JSObjectType.Int:
case JSObjectType.Bool:
{
pos0 = args[0].iValue;
break;
}
case JSObjectType.Double:
{
if (double.IsNaN(args[0].dValue) || double.IsNegativeInfinity(args[0].dValue))
pos0 = 0;
else if (double.IsPositiveInfinity(args[0].dValue))
pos0 = selfString.Length;
else
pos0 = (int)args[0].dValue;
break;
}
case JSObjectType.Object:
case JSObjectType.Date:
case JSObjectType.Function:
case JSObjectType.String:
{
pos0 = Tools.JSObjectToInt32(args[0], 0, true);
break;
}
}
int pos1 = 0;
if (args.Length > 1)
{
switch (args[1].valueType)
{
case JSObjectType.Int:
case JSObjectType.Bool:
{
pos1 = args[1].iValue;
break;
}
case JSObjectType.Double:
{
if (double.IsNaN(args[1].dValue) || double.IsNegativeInfinity(args[0].dValue))
pos1 = 0;
else if (double.IsPositiveInfinity(args[1].dValue))
pos1 = selfString.Length;
else
pos1 = (int)args[1].dValue;
break;
}
case JSObjectType.Object:
case JSObjectType.Date:
case JSObjectType.Function:
case JSObjectType.String:
{
pos1 = Tools.JSObjectToInt32(args[1], 0, true);
break;
}
case JSObjectType.NotExists:
case JSObjectType.NotExistsInObject:
case JSObjectType.Undefined:
{
pos1 = selfString.Length;
break;
}
}
}
else
pos1 = selfString.Length;
if (pos0 > pos1)
{
pos0 ^= pos1;
pos1 ^= pos0;
pos0 ^= pos1;
}
pos0 = System.Math.Max(0, System.Math.Min(pos0, selfString.Length));
pos1 = System.Math.Max(0, System.Math.Min(pos1, selfString.Length));
return selfString.Substring(pos0, System.Math.Min(selfString.Length, System.Math.Max(0, pos1 - pos0)));
}
public static JSObject slice(JSObject self, Arguments args)
{
string selfString = self.ToPrimitiveValue_Value_String().ToString();
if (args.Length == 0)
return selfString;
int pos0 = 0;
switch (args[0].valueType)
{
case JSObjectType.Int:
case JSObjectType.Bool:
{
pos0 = args[0].iValue;
break;
}
case JSObjectType.Double:
{
if (double.IsNaN(args[0].dValue) || double.IsNegativeInfinity(args[0].dValue))
pos0 = 0;
else if (double.IsPositiveInfinity(args[0].dValue))
pos0 = selfString.Length;
else
pos0 = (int)args[0].dValue;
break;
}
case JSObjectType.Object:
case JSObjectType.Date:
case JSObjectType.Function:
case JSObjectType.String:
{
pos0 = Tools.JSObjectToInt32(args[0], 0, true);
break;
}
}
int pos1 = 0;
if (args.Length > 1)
{
switch (args[1].valueType)
{
case JSObjectType.Int:
case JSObjectType.Bool:
{
pos1 = args[1].iValue;
break;
}
case JSObjectType.Double:
{
if (double.IsNaN(args[1].dValue) || double.IsNegativeInfinity(args[0].dValue))
pos1 = 0;
else if (double.IsPositiveInfinity(args[1].dValue))
pos1 = selfString.Length;
else
pos1 = (int)args[1].dValue;
break;
}
case JSObjectType.Object:
case JSObjectType.Date:
case JSObjectType.Function:
case JSObjectType.String:
{
//double d;
//Tools.ParseNumber(args[1].ToPrimitiveValue_Value_String().ToString(), pos1, out d, Tools.ParseNumberOptions.Default);
//pos1 = (int)d;
pos1 = Tools.JSObjectToInt32(args[1], 0, true);
break;
}
case JSObjectType.NotExists:
case JSObjectType.NotExistsInObject:
case JSObjectType.Undefined:
{
pos1 = selfString.Length;
break;
}
}
}
else
pos1 = selfString.Length;
while (pos0 < 0)
pos0 += selfString.Length;
while (pos1 < 0)
pos1 += selfString.Length;
pos0 = System.Math.Min(pos0, selfString.Length);
return selfString.Substring(pos0, System.Math.Min(selfString.Length, System.Math.Max(0, pos1 - pos0)));
}
