| /* |
| ********************************************************************** |
| * Copyright (C) 2001, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ********************************************************************** |
| * Date Name Description |
| * 05/24/01 aliu Creation. |
| ********************************************************************** |
| */ |
| // THIS CLASS IS CURRENTLY UNUSED |
| #if 0 |
| |
| #include "xformtrn.h" |
| #include "unicode/unifilt.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| /** |
| * Constructs a transliterator. For use by subclasses. |
| */ |
| TransformTransliterator::TransformTransliterator(const UnicodeString& id, |
| UnicodeFilter* adoptedFilter) : |
| Transliterator(id, adoptedFilter) { |
| } |
| |
| /** |
| * Implements {@link Transliterator#handleTransliterate}. |
| * Ignore isIncremental since we don't need the context, and |
| * we work on codepoints. |
| */ |
| void TransformTransliterator::handleTransliterate(Replaceable& text, UTransPosition& offsets, |
| UBool /*isIncremental*/) const { |
| |
| int32_t start; |
| for (start = offsets.start; start < offsets.limit; ++start) { |
| // Scan for the first character that is != its transform. |
| // If there are none, we fall out without doing anything. |
| UChar32 c = text.charAt(start); |
| if (hasTransform(c)) { |
| // There is a transforming character at start. |
| |
| int32_t len = offsets.limit - start; |
| // assert(len >= 1); |
| |
| // Temporary string used to do transformations |
| UnicodeString str; |
| for (int32_t i=start; i<offsets.limit; ++i) { |
| str.append(text.charAt(i)); |
| } |
| |
| // Transform the characters |
| transform(str); |
| text.handleReplaceBetween(start, start + len, str); |
| start += str.length(); |
| |
| int32_t lenDelta = str.length() - len; |
| offsets.limit += lenDelta; |
| offsets.contextLimit += lenDelta; |
| offsets.start = offsets.limit; |
| return; |
| } |
| } |
| // assert(start == offsets.limit); |
| offsets.start = offsets.limit; |
| } |
| |
| U_NAMESPACE_END |
| |
| #endif |
| // THIS CLASS IS CURRENTLY UNUSED |
