/// <seealso cref="Transliterator.AddSourceTargetSet(UnicodeSet, UnicodeSet, UnicodeSet)"/>
public override void AddSourceTargetSet(UnicodeSet inputFilter, UnicodeSet sourceSet, UnicodeSet targetSet)
{
// Each form consists of a prefix, suffix,
// * radix, minimum digit count, and maximum digit count. These
// * values are stored as a five character header. ...
UnicodeSet myFilter = GetFilterAsUnicodeSet(inputFilter);
UnicodeSet items = new UnicodeSet();
StringBuilder buffer = new StringBuilder();
for (int i = 0; spec[i] != END;)
{
// first 5 items are header
int end = i + spec[i] + spec[i + 1] + 5;
int radix = spec[i + 2];
for (int j = 0; j < radix; ++j)
{
Utility.AppendNumber(buffer, j, radix, 0);
}
// then add the characters
for (int j = i + 5; j < end; ++j)
{
items.Add(spec[j]);
}
// and go to next block
i = end;
}
items.AddAll(buffer.ToString());
items.RetainAll(myFilter);
if (items.Count > 0)
{
sourceSet.AddAll(items);
targetSet.AddAll(0, 0x10FFFF); // assume we can produce any character
}
}
/// <seealso cref="Transliterator.AddSourceTargetSet(UnicodeSet, UnicodeSet, UnicodeSet)"/>
public override void AddSourceTargetSet(UnicodeSet inputFilter, UnicodeSet sourceSet, UnicodeSet targetSet)
{
UnicodeSet myFilter = GetFilterAsUnicodeSet(inputFilter);
if (!myFilter.ContainsAll(UnicodeNameTransliterator.OPEN_DELIM) || !myFilter.Contains(CLOSE_DELIM))
{
return; // we have to contain both prefix and suffix
}
UnicodeSet items = new UnicodeSet()
.AddAll('0', '9')
.AddAll('A', 'F')
.AddAll('a', 'z') // for controls
.Add('<').Add('>') // for controls
.Add('(').Add(')') // for controls
.Add('-')
.Add(' ')
.AddAll(UnicodeNameTransliterator.OPEN_DELIM)
.Add(CLOSE_DELIM);
items.RetainAll(myFilter);
if (items.Count > 0)
{
sourceSet.AddAll(items);
// could produce any character
targetSet.AddAll(0, 0x10FFFF);
}
}
/// <summary>
/// Retains EACH of the characters in this string. Note: "ch" == {"c", "h"}
/// If this set already any particular character, it has no effect on that character.
/// </summary>
/// <param name="set">This set.</param>
/// <param name="s">The source string.</param>
/// <returns>This object, for chaining.</returns>
/// <draft>ICU4N 60.1</draft>
/// <provisional>This API might change or be removed in a future release.</provisional>
public static UnicodeSet RetainAll(this UnicodeSet set, ICharSequence s)
{
if (set == null)
{
throw new ArgumentNullException(nameof(set));
}
return(set.RetainAll(s));
}
/// <summary>
/// Retains EACH of the characters in this string. Note: "ch" == {"c", "h"}
/// If this set already any particular character, it has no effect on that character.
/// </summary>
/// <param name="set">This set.</param>
/// <param name="s">The source string.</param>
/// <returns>This object, for chaining.</returns>
/// <draft>ICU4N 60.1</draft>
/// <provisional>This API might change or be removed in a future release.</provisional>
public static UnicodeSet RetainAll(this UnicodeSet set, StringBuilder s)
{
if (set == null)
{
throw new ArgumentNullException(nameof(set));
}
return(set.RetainAll(s));
}
/// <seealso cref="UnicodeSet.RetainAll(UnicodeSet)"/>
/// <draft>ICU4N 60.1</draft>
/// <provisional>This API might change or be removed in a future release.</provisional>
public static UnicodeSet RetainAll <T>(this UnicodeSet set, IEnumerable <T> collection) where T : ICharSequence
{
if (set == null)
{
throw new ArgumentNullException(nameof(set));
}
return(set.RetainAll(collection));
}
/// <seealso cref="UnicodeSet.RetainAll(UnicodeSet)"/>
/// <draft>ICU4N 60.1</draft>
/// <provisional>This API might change or be removed in a future release.</provisional>
public static UnicodeSet RetainAll(this UnicodeSet set, IEnumerable <char[]> collection)
{
if (set == null)
{
throw new ArgumentNullException(nameof(set));
}
return(set.RetainAll(collection));
}