| /* |
| ********************************************************************** |
| * Copyright (C) 2001, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ********************************************************************** |
| * Date Name Description |
| * 06/06/01 aliu Creation. |
| ********************************************************************** |
| */ |
| |
| #include "uni2name.h" |
| #include "unicode/unifilt.h" |
| #include "unicode/uchar.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| const char UnicodeNameTransliterator::_ID[] = "Any-Name"; |
| |
| /** |
| * Constructs a transliterator. |
| */ |
| UnicodeNameTransliterator::UnicodeNameTransliterator( |
| UChar32 openDelim, UChar32 closeDelim, |
| UnicodeFilter* adoptedFilter) : |
| Transliterator(_ID, adoptedFilter), |
| openDelimiter(openDelim), |
| closeDelimiter(closeDelim) { |
| } |
| |
| /** |
| * Constructs a transliterator with the default delimiters '{' and |
| * '}'. |
| */ |
| UnicodeNameTransliterator::UnicodeNameTransliterator(UnicodeFilter* adoptedFilter) : |
| Transliterator(_ID, adoptedFilter), |
| openDelimiter((UChar) 0x007B /*{*/), |
| closeDelimiter((UChar) 0x007D /*}*/) { |
| } |
| |
| /** |
| * Destructor. |
| */ |
| UnicodeNameTransliterator::~UnicodeNameTransliterator() {} |
| |
| /** |
| * Copy constructor. |
| */ |
| UnicodeNameTransliterator::UnicodeNameTransliterator(const UnicodeNameTransliterator& o) : |
| Transliterator(o), |
| openDelimiter(o.openDelimiter), |
| closeDelimiter(o.closeDelimiter) {} |
| |
| /** |
| * Assignment operator. |
| */ |
| UnicodeNameTransliterator& UnicodeNameTransliterator::operator=( |
| const UnicodeNameTransliterator& o) { |
| Transliterator::operator=(o); |
| openDelimiter = o.openDelimiter; |
| closeDelimiter = o.closeDelimiter; |
| return *this; |
| } |
| |
| /** |
| * Transliterator API. |
| */ |
| Transliterator* UnicodeNameTransliterator::clone(void) const { |
| return new UnicodeNameTransliterator(*this); |
| } |
| |
| /** |
| * Implements {@link Transliterator#handleTransliterate}. |
| * Ignore isIncremental since we don't need the context, and |
| * we work on codepoints. |
| */ |
| void UnicodeNameTransliterator::handleTransliterate(Replaceable& text, UTransPosition& offsets, |
| UBool /*isIncremental*/) const { |
| // As of Unicode 3.0.0, the longest name is 83 characters long. |
| // Adjust this buffer size as needed. |
| char buf[128]; |
| |
| int32_t cursor = offsets.start; |
| int32_t limit = offsets.limit; |
| |
| UnicodeString str(openDelimiter); |
| UErrorCode status; |
| UTextOffset len; |
| |
| while (cursor < limit) { |
| status = U_ZERO_ERROR; |
| UChar32 c = text.char32At(cursor); |
| if ((len=u_charName(c, U_UNICODE_CHAR_NAME, buf, sizeof(buf), &status)) > 0 && |
| !U_FAILURE(status)) { |
| |
| str.truncate(1); |
| str.append(UnicodeString(buf, len, "")).append(closeDelimiter); |
| |
| int32_t clen = UTF_CHAR_LENGTH(c); |
| text.handleReplaceBetween(cursor, cursor+clen, str); |
| len += 2; // adjust for delimiters |
| cursor += len; // advance cursor and adjust for new text |
| limit += len-clen; // change in length |
| } else { |
| ++cursor; |
| } |
| } |
| |
| offsets.contextLimit += limit - offsets.limit; |
| offsets.limit = limit; |
| offsets.start = cursor; |
| } |
| |
| U_NAMESPACE_END |
| |