/// <summary>
/// 数组子串
/// </summary>
/// <param name="array"></param>
/// <param name="startIndex"></param>
/// <param name="length"></param>
public SubArray(valueType[] array, int startIndex, int length)
{
FormatRange range = new FormatRange(array.length(), startIndex, length);
Array = array;
Start = range.SkipCount;
Length = range.GetCount;
}
/// <summary>
/// 字符子串
/// </summary>
/// <param name="value">字符串</param>
/// <param name="startIndex">起始位置</param>
/// <param name="length">长度</param>
public SubString(string value, int startIndex, int length)
{
FormatRange range = new FormatRange(value.Length, startIndex, length);
if (range.GetCount != length)
{
throw new IndexOutOfRangeException();
}
String = value;
Start = range.SkipCount;
Length = length;
}
/// <summary>
/// 添加数据集合
/// </summary>
/// <param name="values">数据集合</param>
/// <param name="index">起始位置</param>
/// <param name="count">数量</param>
public override void Add(valueType[] values, int index, int count)
{
FormatRange range = new FormatRange(values.length(), index, count);
if ((count = range.GetCount) != 0)
{
int newLength = Length + count;
addToLength(newLength);
System.Array.Copy(values, range.SkipCount, Array, Length, count);
Length = newLength;
}
}
/// <summary>
/// 获取子串
/// </summary>
/// <param name="startIndex"></param>
/// <param name="length"></param>
/// <returns></returns>
public SubArray <valueType> GetSub(int startIndex, int length)
{
FormatRange range = new FormatRange(Length, startIndex, length);
if (range.GetCount != length)
{
throw new IndexOutOfRangeException("startIndex[" + startIndex.toString() + "] + length[" + length.toString() + "] > Length[" + Length.toString() + "]");
}
SubArray <valueType> value = default(SubArray <valueType>);
value.Set(Array, Start + startIndex, length);
return(value);
}