| static private GetCurrentTextElementLen ( String str, int index, int len, UnicodeCategory &ucCurrent, int ¤tCharCount ) : int | ||
| str | String | |
| index | int | |
| len | int | |
| ucCurrent | UnicodeCategory | |
| currentCharCount | int | |
| return | int | |
public static int[] ParseCombiningCharacters(string str)
{
if (str == null)
{
throw new ArgumentNullException("str");
}
int length = str.Length;
int[] array = new int[length];
if (length == 0)
{
return(array);
}
int num = 0;
int i = 0;
int num2;
UnicodeCategory unicodeCategory = CharUnicodeInfo.InternalGetUnicodeCategory(str, 0, out num2);
while (i < length)
{
array[num++] = i;
i += StringInfo.GetCurrentTextElementLen(str, i, length, ref unicodeCategory, ref num2);
}
if (num < length)
{
int[] array2 = new int[num];
Array.Copy(array, array2, num);
return(array2);
}
return(array);
}
public static int[] ParseCombiningCharacters(string str)
{
if (str == null)
{
throw new ArgumentNullException("str");
}
int length1 = str.Length;
int[] numArray1 = new int[length1];
if (length1 == 0)
{
return(numArray1);
}
int length2 = 0;
int index = 0;
int charLength;
UnicodeCategory unicodeCategory = CharUnicodeInfo.InternalGetUnicodeCategory(str, 0, out charLength);
while (index < length1)
{
numArray1[length2++] = index;
index += StringInfo.GetCurrentTextElementLen(str, index, length1, ref unicodeCategory, ref charLength);
}
if (length2 >= length1)
{
return(numArray1);
}
int[] numArray2 = new int[length2];
Array.Copy((Array)numArray1, (Array)numArray2, length2);
return(numArray2);
}
public bool MoveNext()
{
if (this.index >= this.strLen)
{
this.index = this.strLen + 1;
return(false);
}
this.currTextElementLen = StringInfo.GetCurrentTextElementLen(this.str, this.index, this.strLen, ref this.uc, ref this.charLen);
this.index = this.index + this.currTextElementLen;
return(true);
}
public bool MoveNext()
{
if (_index >= _strLen)
{
// Make the _index to be greater than _strLen so that we can throw exception if GetTextElement() is called.
_index = _strLen + 1;
return(false);
}
_currTextElementLen = StringInfo.GetCurrentTextElementLen(_str, _index, _strLen, ref _uc, ref _charLen);
_index += _currTextElementLen;
return(true);
}
public bool MoveNext()
{
if (index >= strLen)
{
// Make the index to be greater than strLen so that we can throw exception if GetTextElement() is called.
index = strLen + 1;
return(false);
}
currTextElementLen = StringInfo.GetCurrentTextElementLen(str, index, strLen, ref uc, ref charLen);
index += currTextElementLen;
return(true);
}
public static string GetNextTextElement(string str, int index)
{
if (str == null)
{
throw new ArgumentNullException("str");
}
int length = str.Length;
if (index >= 0 && index < length)
{
int num;
UnicodeCategory unicodeCategory = CharUnicodeInfo.InternalGetUnicodeCategory(str, index, out num);
return(str.Substring(index, StringInfo.GetCurrentTextElementLen(str, index, length, ref unicodeCategory, ref num)));
}
if (index == length)
{
return(string.Empty);
}
throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_Index"));
}
