| private nativeIndexOfCharOrdinalIgnoreCase ( void pNativeTextInfo, String str, Char value, int startIndex, int count ) : int | ||
| pNativeTextInfo | void | |
| str | String | |
| value | Char | |
| startIndex | int | |
| count | int | |
| return | int | |
public virtual unsafe int IndexOf(string source, char value, int startIndex, int count, CompareOptions options)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if ((startIndex < 0) || (startIndex > source.Length))
{
throw new ArgumentOutOfRangeException("startIndex", Environment.GetResourceString("ArgumentOutOfRange_Index"));
}
if ((count < 0) || (startIndex > (source.Length - count)))
{
throw new ArgumentOutOfRangeException("count", Environment.GetResourceString("ArgumentOutOfRange_Count"));
}
if (options == CompareOptions.OrdinalIgnoreCase)
{
return(TextInfo.nativeIndexOfCharOrdinalIgnoreCase(TextInfo.InvariantNativeTextInfo, source, value, startIndex, count));
}
if (((options & ~(CompareOptions.IgnoreWidth | CompareOptions.IgnoreKanaType | CompareOptions.IgnoreSymbols | CompareOptions.IgnoreNonSpace | CompareOptions.IgnoreCase)) != CompareOptions.None) && (options != CompareOptions.Ordinal))
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidFlag"), "options");
}
if (!this.IsSynthetic)
{
return(IndexOfChar(this.m_pSortingTable, this.m_sortingLCID, source, value, startIndex, count, (int)options));
}
if (options == CompareOptions.Ordinal)
{
return(IndexOfChar(CultureInfo.InvariantCulture.CompareInfo.m_pSortingTable, this.m_sortingLCID, source, value, startIndex, count, (int)options));
}
return(this.SyntheticIndexOf(source, new string(value, 1), startIndex, count, GetNativeCompareFlags(options)));
}