private BreakIteratorWrapper GetBreakIterator(int scriptCode)
{
if (wordBreakers[scriptCode] == null)
{
wordBreakers[scriptCode] = BreakIteratorWrapper.Wrap(config.GetBreakIterator(scriptCode));
}
return(wordBreakers[scriptCode]);
}
/// <summary>
/// Retrieve the next break position. If the RBBI range is exhausted within the
/// script boundary, examine the next script boundary.
/// </summary>
/// <returns>The next break position or <see cref="BreakIterator.Done"/>.</returns>
public int Next()
{
int next = rbbi.Next();
while (next == BreakIterator.Done && scriptIterator.Next())
{
rbbi = GetBreakIterator(scriptIterator.ScriptCode);
rbbi.SetText(text, scriptIterator.ScriptStart,
scriptIterator.ScriptLimit - scriptIterator.ScriptStart);
next = rbbi.Next();
}
return((next == BreakIterator.Done) ? BreakIterator.Done : next
+ scriptIterator.ScriptStart);
}
/// <summary>
/// Set a new region of text to be examined by this iterator.
/// </summary>
/// <param name="text">Buffer of text.</param>
/// <param name="start">Offset into buffer.</param>
/// <param name="length">Maximum length to examine.</param>
public void SetText(char[] text, int start, int length)
{
this.text = text;
scriptIterator.SetText(text, start, length);
if (scriptIterator.Next())
{
rbbi = GetBreakIterator(scriptIterator.ScriptCode);
rbbi.SetText(text, scriptIterator.ScriptStart,
scriptIterator.ScriptLimit - scriptIterator.ScriptStart);
}
else
{
rbbi = GetBreakIterator(UScript.Common);
rbbi.SetText(text, 0, 0);
}
}