public static IEnumerable <string> Split(UBreakIteratorType type, string locale, string text)
{
if (string.IsNullOrEmpty(text))
{
return(new string[] { });
}
ErrorCode err;
IntPtr bi = NativeMethods.ubrk_open(type, locale, text, text.Length, out err);
if (err != ErrorCode.NoErrors)
{
throw new Exception("BreakIterator.Split() failed with code " + err);
}
var tokens = new List <string>();
int cur = NativeMethods.ubrk_first(bi);
while (cur != DONE)
{
int next = NativeMethods.ubrk_next(bi);
int status = NativeMethods.ubrk_getRuleStatus(bi);
if (next != DONE && AddToken(type, status))
{
tokens.Add(text.Substring(cur, next - cur));
}
cur = next;
}
NativeMethods.ubrk_close(bi);
return(tokens);
}
/// <summary>
/// Implementing IDisposable pattern to properly release unmanaged resources.
/// See https://msdn.microsoft.com/en-us/library/b1yfkh5e(v=vs.110).aspx
/// and https://msdn.microsoft.com/en-us/library/b1yfkh5e(v=vs.100).aspx
/// for more information.
/// </summary>
/// <param name="disposing"></param>
protected override void Dispose(bool disposing)
{
if (!_disposingValue)
{
if (disposing)
{
// Dispose managed state (managed objects), if any.
}
if (_breakIterator != IntPtr.Zero)
{
NativeMethods.ubrk_close(_breakIterator);
_breakIterator = IntPtr.Zero;
}
_disposingValue = true;
}
}
//-------------------------------------------------------------------------------------------------
//WinterDev
public static IEnumerable <SplitBound> GetSplitBoundIter(UBreakIteratorType type,
string locale,
char[] charBuffer,
int start,
int len)
{
if (charBuffer == null || charBuffer.Length == 0)
{
return(new SplitBound[] { });
}
ErrorCode err;
var tokens = new List <SplitBound>();
unsafe
{
fixed(char *head = &charBuffer[0])
{
IntPtr bi = NativeMethods.ubrk_open_unsafe(type, locale, head + start, len, out err);
if (err != ErrorCode.NoErrors)
{
throw new Exception("BreakIterator.Split() failed with code " + err);
}
int cur = NativeMethods.ubrk_first(bi);
while (cur != DONE)
{
int next = NativeMethods.ubrk_next(bi);
int status = NativeMethods.ubrk_getRuleStatus(bi);
if (next != DONE && AddToken(type, status))
{
tokens.Add(new SplitBound(cur, next - cur));
}
cur = next;
}
NativeMethods.ubrk_close(bi);
}
}
return(tokens);
}
