| static private ToUint32 ( Object value ) : uint | ||
| value | Object | |
| return | uint | |
internal static String Join(Object thisob, String separator, bool localize)
{
StringBuilder str = new StringBuilder();
uint thisLength = Convert.ToUint32(LateBinding.GetMemberValue(thisob, "length"));
if (thisLength > int.MaxValue)
{
throw new JScriptException(JSError.OutOfMemory);
}
// Small optimization so we're not doing a bunch of reallocs for large arrays.
if (thisLength > str.Capacity)
{
str.Capacity = (int)thisLength;
}
for (uint i = 0; i < thisLength; i++)
{
Object value = LateBinding.GetValueAtIndex(thisob, i);
if (value != null && !(value is Missing))
{
if (localize)
{
str.Append(Convert.ToLocaleString(value));
}
else
{
str.Append(Convert.ToString(value));
}
}
if (i < thisLength - 1)
{
str.Append(separator);
}
}
return(str.ToString());
}
internal static String Join(Object thisob, String separator, bool localize)
{
StringBuilder str = new StringBuilder();
uint thisLength = Convert.ToUint32(LateBinding.GetMemberValue(thisob, "length"));
for (uint i = 0; i < thisLength; i++)
{
Object value = LateBinding.GetValueAtIndex(thisob, i);
if (value != null && !(value is Missing))
{
if (localize)
{
str.Append(Convert.ToLocaleString(value));
}
else
{
str.Append(Convert.ToString(value));
}
}
if (i < thisLength - 1)
{
str.Append(separator);
}
}
return(str.ToString());
}
public static Object unshift(Object thisob, params Object[] args)
{
if (args == null || args.Length == 0)
{
return(thisob);
}
if (thisob is ArrayObject)
{
return(((ArrayObject)thisob).Unshift(args));
}
uint oldLength = Convert.ToUint32(LateBinding.GetMemberValue(thisob, "length"));
long newLength = oldLength + args.Length;
LateBinding.SetMemberValue(thisob, "length", newLength);
// shift the array
for (long i = oldLength - 1; i >= 0; i--)
{
Object val = LateBinding.GetValueAtIndex(thisob, (ulong)i);
if (val is Missing)
{
LateBinding.DeleteValueAtIndex(thisob, (ulong)(i + args.Length));
}
else
{
LateBinding.SetValueAtIndex(thisob, (ulong)(i + args.Length), val);
}
}
// copy the input args
for (uint i = 0; i < args.Length; i++)
{
LateBinding.SetValueAtIndex(thisob, i, args[i]);
}
return(thisob);
}
public static Object shift(Object thisob)
{
Object res = null;
if (thisob is ArrayObject)
{
return(((ArrayObject)thisob).Shift());
}
uint length = Convert.ToUint32(LateBinding.GetMemberValue(thisob, "length"));
if (length == 0)
{
LateBinding.SetMemberValue(thisob, "length", 0);
return(res);
}
res = LateBinding.GetValueAtIndex(thisob, 0);
for (uint i = 1; i < length; i++)
{
Object val = LateBinding.GetValueAtIndex(thisob, i);
if (val is Missing)
{
LateBinding.DeleteValueAtIndex(thisob, i - 1);
}
else
{
LateBinding.SetValueAtIndex(thisob, i - 1, val);
}
}
LateBinding.DeleteValueAtIndex(thisob, length - 1);
LateBinding.SetMemberValue(thisob, "length", length - 1);
return(res);
}
internal ArrayObject(object o)
{
IConvertible ic = o as IConvertible;
TypeCode tc = Convert.GetTypeCode(o, ic);
try {
if (Convert.IsNumberTypeCode(tc))
{
uint size = Convert.ToUint32(o);
if (size >= 0)
{
_length = size;
return;
}
else
{
Console.WriteLine("size = {0}", size);
throw new JScriptException(JSError.ArrayLengthConstructIncorrect);
}
}
} catch (FormatException) { /* OK */ }
elems = new Hashtable();
_length = (uint)1;
elems.Add(0, o);
}
public new ArrayObject CreateInstance(params Object[] args)
{
ArrayObject arrayObj = new ArrayObject(this.originalPrototype, typeof(ArrayObject));
if (args.Length != 0)
{
if (args.Length == 1)
{
Object arg0 = args[0];
IConvertible ic = Convert.GetIConvertible(arg0);
switch (Convert.GetTypeCode(arg0, ic))
{
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
double d = Convert.ToNumber(arg0, ic);
uint len = Convert.ToUint32(arg0, ic);
if (d != (double)len)
{
throw new JScriptException(JSError.ArrayLengthConstructIncorrect);
}
arrayObj.length = len;
return(arrayObj);
}
}
if (args.Length == 1 && args[0] is Array)
{
Array array = (Array)args[0];
if (array.Rank != 1)
{
throw new JScriptException(JSError.TypeMismatch);
}
arrayObj.length = array.Length;
for (int i = 0; i < array.Length; i++)
{
arrayObj.SetValueAtIndex((uint)i, array.GetValue(i));
}
}
else
{
arrayObj.length = args.Length;
for (int i = 0; i < args.Length; i++)
{
arrayObj.SetValueAtIndex((uint)i, args[i]);
}
}
}
return(arrayObj);
}
internal static bool IsArrayIndex(string key)
{
if (key == "" || NonDigitRegex.IsMatch(key))
{
return(false);
}
uint index = Convert.ToUint32(key);
return(Convert.ToString(index) == key);
}
public static ArrayObject slice(object thisObj, VsaEngine engine, double start, object end)
{
// TODO: Shouldn't this be generic!?
SemanticAnalyser.assert_type(thisObj, typeof(ArrayObject));
ArrayObject array_obj = (ArrayObject)thisObj;
uint array_len = (uint)array_obj.length;
uint _start, _end;
if (start > array_len)
{
_start = array_len;
}
else
{
_start = (uint)start;
if (_start < 0)
{
_start += array_len;
}
}
if (end == null)
{
_end = array_len;
}
else
{
_end = Convert.ToUint32(end);
if (_end < 0)
{
_end += array_len;
}
else if (_end > array_len)
{
_end = array_len;
}
}
if (_end < _start)
{
_end = _start;
}
ArrayObject result = new ArrayObject();
result.length = _end - _start;
for (uint i = _start; i < _end; i++)
{
result.elems [i - _start] = array_obj.elems [i];
}
return(result);
}
public static Object reverse(Object thisob)
{
uint thisLength = Convert.ToUint32(LateBinding.GetMemberValue(thisob, "length"));
uint halfSize = thisLength / 2;
for (uint low = 0, high = thisLength - 1; low < halfSize; low++, high--)
{
LateBinding.SwapValues(thisob, low, high);
}
return(thisob);
}
public static ArrayObject slice(Object thisob, VsaEngine engine, double start, Object end)
{
ArrayObject array = engine.GetOriginalArrayConstructor().Construct();
uint length = Convert.ToUint32(LateBinding.GetMemberValue(thisob, "length"));
// compute the start index
long startIndex = Runtime.DoubleToInt64(Convert.ToInteger(start));
if (startIndex < 0)
{
startIndex = length + startIndex;
if (startIndex < 0)
{
startIndex = 0;
}
}
else if (startIndex > length)
{
startIndex = length;
}
// compute the end index
long endIndex = length;
if (end != null && !(end is Missing))
{
endIndex = Runtime.DoubleToInt64(Convert.ToInteger(end));
if (endIndex < 0)
{
endIndex = length + endIndex;
if (endIndex < 0)
{
endIndex = 0;
}
}
else if (endIndex > length)
{
endIndex = length;
}
}
// slice
if (endIndex > startIndex)
{
array.length = endIndex - startIndex;
for (ulong i = (ulong)startIndex, j = 0; i < (ulong)endIndex; i++, j++)
{
Object val = LateBinding.GetValueAtIndex(thisob, i);
if (!(val is Missing))
{
LateBinding.SetValueAtIndex(array, j, val);
}
}
}
return(array);
}
public static long push(Object thisob, params Object[] args)
{
uint length = Convert.ToUint32(LateBinding.GetMemberValue(thisob, "length"));
for (uint i = 0; i < args.Length; i++)
{
LateBinding.SetValueAtIndex(thisob, i + (ulong)length, args[i]);
}
long newLength = length + args.Length;
LateBinding.SetMemberValue(thisob, "length", newLength);
return(newLength);
}
public static Object pop(Object thisob)
{
uint thisLength = Convert.ToUint32(LateBinding.GetMemberValue(thisob, "length"));
if (thisLength == 0)
{
LateBinding.SetMemberValue(thisob, "length", 0);
return(null);
}
Object result = LateBinding.GetValueAtIndex(thisob, thisLength - 1);
LateBinding.DeleteValueAtIndex(thisob, thisLength - 1);
LateBinding.SetMemberValue(thisob, "length", thisLength - 1);
return(result);
}
public static Object sort(Object thisob, Object function)
{
ScriptFunction func = null;
if (function is ScriptFunction)
{
func = (ScriptFunction)function;
}
uint length = Convert.ToUint32(LateBinding.GetMemberValue(thisob, "length"));
if (thisob is ArrayObject)
{
((ArrayObject)thisob).Sort(func);
}
else if (length <= Int32.MaxValue)
{
QuickSort qs = new QuickSort(thisob, func);
qs.SortObject(0, length);
}
return(thisob);
}
public static ArrayObject splice(Object thisob, VsaEngine engine, double start, double deleteCnt, params Object[] args)
{
uint oldLength = Convert.ToUint32(LateBinding.GetMemberValue(thisob, "length"));
// compute the start index
long startIndex = Runtime.DoubleToInt64(Convert.ToInteger(start));
if (startIndex < 0)
{
startIndex = oldLength + startIndex;
if (startIndex < 0)
{
startIndex = 0;
}
}
else if (startIndex > oldLength)
{
startIndex = oldLength;
}
// compute the number of items to delete
long deleteCount = Runtime.DoubleToInt64(Convert.ToInteger(deleteCnt));
if (deleteCount < 0)
{
deleteCount = 0;
}
else if (deleteCount > oldLength - startIndex)
{
deleteCount = oldLength - startIndex;
}
long newLength = oldLength + args.Length - deleteCount;
// create an array for the result
ArrayObject result = engine.GetOriginalArrayConstructor().Construct();
result.length = deleteCount;
// special case array objects (nice speedup if dense)
if (thisob is ArrayObject)
{
((ArrayObject)thisob).Splice((uint)startIndex, (uint)deleteCount, args, result, (uint)oldLength, (uint)newLength);
return(result);
}
// copy the deleted items to the result array
for (ulong i = 0; i < (ulong)deleteCount; i++)
{
result.SetValueAtIndex((uint)i, LateBinding.GetValueAtIndex(thisob, i + (ulong)startIndex));
}
// shift the remaining elements left or right
long n = oldLength - startIndex - deleteCount;
if (newLength < oldLength)
{
for (long i = 0; i < n; i++)
{
LateBinding.SetValueAtIndex(thisob, (ulong)(i + startIndex + args.Length), LateBinding.GetValueAtIndex(thisob, (ulong)(i + startIndex + deleteCount)));
}
LateBinding.SetMemberValue(thisob, "length", newLength);
}
else
{
LateBinding.SetMemberValue(thisob, "length", newLength);
for (long i = n - 1; i >= 0; i--)
{
LateBinding.SetValueAtIndex(thisob, (ulong)(i + startIndex + args.Length), LateBinding.GetValueAtIndex(thisob, (ulong)(i + startIndex + deleteCount)));
}
}
// splice in the arguments
int m = args == null ? 0 : args.Length;
for (uint i = 0; i < m; i++)
{
LateBinding.SetValueAtIndex(thisob, i + (ulong)startIndex, args[i]);
}
return(result);
}