Port Any-Name and Name-Any from icu4c
X-SVN-Rev: 5155
This commit is contained in:
Alan Liu
parent
a22ea7d8af
commit
db3c833b55
@ -5,8 +5,8 @@
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*******************************************************************************
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*
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* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/icu/dev/test/translit/TransliteratorTest.java,v $
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* $Date: 2001/07/02 19:44:10 $
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* $Revision: 1.38 $
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* $Date: 2001/07/02 20:54:51 $
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* $Revision: 1.39 $
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*
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*****************************************************************************************
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*/
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@ -795,6 +795,26 @@ public class TransliteratorTest extends TestFmwk {
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"The Quick Brown FoX Can't Jump Over The LaZy Dogs.");
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}
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/**
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* Test the name mapping transliterators.
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*/
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public void TestNameMap() {
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Transliterator uni2name =
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Transliterator.getInstance("Any-Name[^abc]");
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Transliterator name2uni =
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Transliterator.getInstance("Name-Any");
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/// NOTE NOTE NOTE NOTE NOTE NOTE NOTE
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// The results in icu4j and icu4c are different:
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// icu4c: CJK UNIFIED IDEOGRAPH-4E01
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// icu4j: CJK UNIFIED IDEOGRAPH-4e01
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expect(uni2name, "\u00A0abc\u4E01\u00B5\u0A81\uFFFD\uFFFF",
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"{NO-BREAK SPACE}abc{CJK UNIFIED IDEOGRAPH-4e01}{MICRO SIGN}{GUJARATI SIGN CANDRABINDU}{REPLACEMENT CHARACTER}\uFFFF");
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expect(name2uni, "{ NO-BREAK SPACE}abc{ CJK UNIFIED IDEOGRAPH-4E01 }{x{MICRO SIGN}{GUJARATI SIGN CANDRABINDU}{REPLACEMENT CHARACTER}{",
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"\u00A0abc\u4E01{x\u00B5\u0A81\uFFFD{");
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}
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/**
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* Test the normalization transliterator.
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*/
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161
icu4j/src/com/ibm/icu/text/NameUnicodeTransliterator.java
Executable file
161
icu4j/src/com/ibm/icu/text/NameUnicodeTransliterator.java
Executable file
@ -0,0 +1,161 @@
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/*
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* Copyright (C) 1996-2001, International Business Machines Corporation and
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* others. All Rights Reserved.
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*
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* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/icu/text/NameUnicodeTransliterator.java,v $
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* $Date: 2001/07/02 20:55:29 $
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* $Revision: 1.1 $
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*/
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package com.ibm.text;
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import java.util.*;
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/**
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* A transliterator that performs name to character mapping.
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* @author Alan Liu
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*/
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public class NameUnicodeTransliterator extends Transliterator {
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char openDelimiter;
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char closeDelimiter;
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static final String _ID = "Name-Any";
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/**
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* System registration hook.
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*/
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static void register() {
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Transliterator.registerFactory(_ID, new Transliterator.Factory() {
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public Transliterator getInstance() {
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return new NameUnicodeTransliterator(null);
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}
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});
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}
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/**
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* Constructs a transliterator.
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*/
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public NameUnicodeTransliterator(char openDelimiter, char closeDelimiter,
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UnicodeFilter filter) {
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super(_ID, filter);
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this.openDelimiter = openDelimiter;
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this.closeDelimiter = closeDelimiter;
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}
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/**
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* Constructs a transliterator with the default delimiters '{' and
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* '}'.
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*/
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public NameUnicodeTransliterator(UnicodeFilter filter) {
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this('{', '}', filter);
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}
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/**
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* Implements {@link Transliterator#handleTransliterate}.
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*/
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protected void handleTransliterate(Replaceable text,
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Position offsets, boolean isIncremental) {
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// Longest name as of 3.0.0 is 83
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final int LONGEST_NAME = 83;
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// Accomodate the longest possible name plus padding
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char[] buf = new char[LONGEST_NAME + 8];
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// The only characters used in names are (as of Unicode 3.0.0):
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// -0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ
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// (first character is a space).
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int cursor = offsets.start;
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int limit = offsets.limit;
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// Modes:
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// 0 - looking for open delimiter
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// 1 - after open delimiter
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int mode = 0;
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int ibuf = 0;
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int openPos = offsets.start; // position of openDelimiter
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for (; cursor < limit; ++cursor) {
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char c = filteredCharAt(text, cursor);
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switch (mode) {
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case 0: // looking for open delimiter
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if (c == openDelimiter) {
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openPos = cursor;
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mode = 1;
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ibuf = 0;
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}
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break;
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case 1: // after open delimiter
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// Look for [-a-zA-Z0-9]. If \w+ is found, convert it
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// to a single space. If closeDelimiter is found, exit
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// the loop. If any other character is found, exit the
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// loop. If the limit is found, exit the loop.
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if (UCharacter.isWhitespace(c)) {
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// Ignore leading whitespace
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if (ibuf != 0 && buf[ibuf-1] != (char)0x0020) {
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buf[ibuf++] = (char)0x0020 /* */;
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// If we go a bit past the longest possible name then abort
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if (ibuf == (LONGEST_NAME + 4)) {
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mode = 0;
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}
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}
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continue;
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}
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if (c == closeDelimiter) {
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// Delete trailing space, if any
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if (ibuf > 0 && buf[ibuf-1] == (char)0x0020) {
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--ibuf;
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}
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int ch = UCharacter.getCharFromName(new String(buf, 0, ibuf));
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if (ch != -1) {
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// Lookup succeeded
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text.replace(openPos, cursor+1, String.valueOf((char) ch));
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// Adjust indices for the change in the length of
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// the string. Do not assume that str.length() ==
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// 1, in case of surrogates.
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int delta = cursor + 1 - openPos - 1/*str.length()*/;
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cursor -= delta;
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limit -= delta;
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// assert(cursor == openPos + str.length());
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}
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// If the lookup failed, we leave things as-is and
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// still switch to mode 0 and continue.
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mode = 0;
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continue;
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}
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if (c >= (char)0x0061 && c <= (char)0x007A) {
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c -= 0x0020; // [a-z] => [A-Z]
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}
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// Check if c =~ [-A-Z0-9]
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if (c == (char)0x002D ||
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(c >= (char)0x0041 && c <= (char)0x005A) ||
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(c >= (char)0x0030 && c <= (char)0x0039)) {
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buf[ibuf++] = (char) c;
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// If we go a bit past the longest possible name then abort
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if (ibuf == (LONGEST_NAME + 4)) {
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mode = 0;
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}
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}
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// Invalid character
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else {
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--cursor; // Backup and reprocess this character
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mode = 0;
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}
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break;
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}
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}
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offsets.contextLimit += limit - offsets.limit;
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offsets.limit = limit;
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// In incremental mode, only advance the cursor up to the last
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// open delimiter, if we are in mode 1.
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offsets.start = (mode == 1 && isIncremental) ? openPos : cursor;
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}
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}
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@ -5,8 +5,8 @@
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*******************************************************************************
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*
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* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/icu/text/Transliterator.java,v $
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* $Date: 2001/06/29 22:50:25 $
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* $Revision: 1.35 $
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* $Date: 2001/07/02 20:55:29 $
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* $Revision: 1.36 $
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*
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*****************************************************************************************
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*/
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@ -240,7 +240,7 @@ import com.ibm.text.resources.ResourceReader;
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* <p>Copyright © IBM Corporation 1999. All rights reserved.
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*
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* @author Alan Liu
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* @version $RCSfile: Transliterator.java,v $ $Revision: 1.35 $ $Date: 2001/06/29 22:50:25 $
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* @version $RCSfile: Transliterator.java,v $ $Revision: 1.36 $ $Date: 2001/07/02 20:55:29 $
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*/
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public abstract class Transliterator {
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/**
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@ -1100,6 +1100,8 @@ public abstract class Transliterator {
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LowercaseTransliterator.register();
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UppercaseTransliterator.register();
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TitlecaseTransliterator.register();
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UnicodeNameTransliterator.register();
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NameUnicodeTransliterator.register();
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NormalizationTransliterator.register();
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}
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87
icu4j/src/com/ibm/icu/text/UnicodeNameTransliterator.java
Executable file
87
icu4j/src/com/ibm/icu/text/UnicodeNameTransliterator.java
Executable file
@ -0,0 +1,87 @@
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/*
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* Copyright (C) 1996-2001, International Business Machines Corporation and
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* others. All Rights Reserved.
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*
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* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/icu/text/UnicodeNameTransliterator.java,v $
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* $Date: 2001/07/02 20:55:29 $
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* $Revision: 1.1 $
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*/
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package com.ibm.text;
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import java.util.*;
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/**
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* A transliterator that performs character to name mapping.
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* @author Alan Liu
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*/
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public class UnicodeNameTransliterator extends Transliterator {
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char openDelimiter;
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char closeDelimiter;
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static final String _ID = "Any-Name";
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/**
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* System registration hook.
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*/
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static void register() {
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Transliterator.registerFactory(_ID, new Transliterator.Factory() {
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public Transliterator getInstance() {
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return new UnicodeNameTransliterator(null);
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}
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});
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}
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/**
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* Constructs a transliterator.
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*/
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public UnicodeNameTransliterator(char openDelimiter, char closeDelimiter,
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UnicodeFilter filter) {
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super(_ID, filter);
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this.openDelimiter = openDelimiter;
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this.closeDelimiter = closeDelimiter;
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}
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/**
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* Constructs a transliterator with the default delimiters '{' and
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* '}'.
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*/
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public UnicodeNameTransliterator(UnicodeFilter filter) {
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this('{', '}', filter);
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}
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/**
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* Implements {@link Transliterator#handleTransliterate}.
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*/
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protected void handleTransliterate(Replaceable text,
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Position offsets, boolean isIncremental) {
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int cursor = offsets.start;
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int limit = offsets.limit;
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UnicodeFilter filt = getFilter();
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StringBuffer str = new StringBuffer();
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str.append(openDelimiter);
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int len;
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String name;
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while (cursor < limit) {
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char c = text.charAt(cursor);
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if ((filt == null || filt.contains(c)) &&
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(name=UCharacter.getName(c)) != null) {
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str.setLength(1);
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str.append(name).append(closeDelimiter);
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text.replace(cursor, cursor+1, str.toString());
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len = str.length();
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cursor += len; // advance cursor by 1 and adjust for new text
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limit += len-1; // change in length is (len - 1)
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} else {
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++cursor;
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}
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}
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offsets.contextLimit += limit - offsets.limit;
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offsets.limit = limit;
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offsets.start = cursor;
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}
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}
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@ -5,8 +5,8 @@
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*******************************************************************************
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*
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* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/test/translit/Attic/TransliteratorTest.java,v $
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* $Date: 2001/07/02 19:44:10 $
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* $Revision: 1.38 $
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* $Date: 2001/07/02 20:54:51 $
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* $Revision: 1.39 $
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*
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*****************************************************************************************
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*/
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@ -795,6 +795,26 @@ public class TransliteratorTest extends TestFmwk {
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"The Quick Brown FoX Can't Jump Over The LaZy Dogs.");
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}
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/**
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* Test the name mapping transliterators.
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*/
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public void TestNameMap() {
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Transliterator uni2name =
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Transliterator.getInstance("Any-Name[^abc]");
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Transliterator name2uni =
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Transliterator.getInstance("Name-Any");
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/// NOTE NOTE NOTE NOTE NOTE NOTE NOTE
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// The results in icu4j and icu4c are different:
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// icu4c: CJK UNIFIED IDEOGRAPH-4E01
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// icu4j: CJK UNIFIED IDEOGRAPH-4e01
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expect(uni2name, "\u00A0abc\u4E01\u00B5\u0A81\uFFFD\uFFFF",
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"{NO-BREAK SPACE}abc{CJK UNIFIED IDEOGRAPH-4e01}{MICRO SIGN}{GUJARATI SIGN CANDRABINDU}{REPLACEMENT CHARACTER}\uFFFF");
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expect(name2uni, "{ NO-BREAK SPACE}abc{ CJK UNIFIED IDEOGRAPH-4E01 }{x{MICRO SIGN}{GUJARATI SIGN CANDRABINDU}{REPLACEMENT CHARACTER}{",
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"\u00A0abc\u4E01{x\u00B5\u0A81\uFFFD{");
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}
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/**
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* Test the normalization transliterator.
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*/
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161
icu4j/src/com/ibm/text/NameUnicodeTransliterator.java
Executable file
161
icu4j/src/com/ibm/text/NameUnicodeTransliterator.java
Executable file
@ -0,0 +1,161 @@
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/*
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* Copyright (C) 1996-2001, International Business Machines Corporation and
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* others. All Rights Reserved.
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*
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* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/text/Attic/NameUnicodeTransliterator.java,v $
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* $Date: 2001/07/02 20:55:29 $
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* $Revision: 1.1 $
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*/
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package com.ibm.text;
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import java.util.*;
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/**
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* A transliterator that performs name to character mapping.
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* @author Alan Liu
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*/
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public class NameUnicodeTransliterator extends Transliterator {
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char openDelimiter;
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char closeDelimiter;
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static final String _ID = "Name-Any";
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/**
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* System registration hook.
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*/
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static void register() {
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Transliterator.registerFactory(_ID, new Transliterator.Factory() {
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public Transliterator getInstance() {
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return new NameUnicodeTransliterator(null);
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}
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});
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}
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/**
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* Constructs a transliterator.
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*/
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public NameUnicodeTransliterator(char openDelimiter, char closeDelimiter,
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UnicodeFilter filter) {
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super(_ID, filter);
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this.openDelimiter = openDelimiter;
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this.closeDelimiter = closeDelimiter;
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}
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/**
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* Constructs a transliterator with the default delimiters '{' and
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* '}'.
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*/
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public NameUnicodeTransliterator(UnicodeFilter filter) {
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this('{', '}', filter);
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}
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/**
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* Implements {@link Transliterator#handleTransliterate}.
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*/
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protected void handleTransliterate(Replaceable text,
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Position offsets, boolean isIncremental) {
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// Longest name as of 3.0.0 is 83
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final int LONGEST_NAME = 83;
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// Accomodate the longest possible name plus padding
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char[] buf = new char[LONGEST_NAME + 8];
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// The only characters used in names are (as of Unicode 3.0.0):
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// -0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ
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// (first character is a space).
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int cursor = offsets.start;
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int limit = offsets.limit;
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// Modes:
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// 0 - looking for open delimiter
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// 1 - after open delimiter
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int mode = 0;
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int ibuf = 0;
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int openPos = offsets.start; // position of openDelimiter
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for (; cursor < limit; ++cursor) {
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char c = filteredCharAt(text, cursor);
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switch (mode) {
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case 0: // looking for open delimiter
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if (c == openDelimiter) {
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openPos = cursor;
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mode = 1;
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ibuf = 0;
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}
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break;
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case 1: // after open delimiter
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// Look for [-a-zA-Z0-9]. If \w+ is found, convert it
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// to a single space. If closeDelimiter is found, exit
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// the loop. If any other character is found, exit the
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// loop. If the limit is found, exit the loop.
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if (UCharacter.isWhitespace(c)) {
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// Ignore leading whitespace
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if (ibuf != 0 && buf[ibuf-1] != (char)0x0020) {
|
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buf[ibuf++] = (char)0x0020 /* */;
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// If we go a bit past the longest possible name then abort
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if (ibuf == (LONGEST_NAME + 4)) {
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mode = 0;
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}
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}
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continue;
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}
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if (c == closeDelimiter) {
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// Delete trailing space, if any
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if (ibuf > 0 && buf[ibuf-1] == (char)0x0020) {
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--ibuf;
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}
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int ch = UCharacter.getCharFromName(new String(buf, 0, ibuf));
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if (ch != -1) {
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// Lookup succeeded
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text.replace(openPos, cursor+1, String.valueOf((char) ch));
|
||||
|
||||
// Adjust indices for the change in the length of
|
||||
// the string. Do not assume that str.length() ==
|
||||
// 1, in case of surrogates.
|
||||
int delta = cursor + 1 - openPos - 1/*str.length()*/;
|
||||
cursor -= delta;
|
||||
limit -= delta;
|
||||
// assert(cursor == openPos + str.length());
|
||||
}
|
||||
// If the lookup failed, we leave things as-is and
|
||||
// still switch to mode 0 and continue.
|
||||
mode = 0;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (c >= (char)0x0061 && c <= (char)0x007A) {
|
||||
c -= 0x0020; // [a-z] => [A-Z]
|
||||
}
|
||||
|
||||
// Check if c =~ [-A-Z0-9]
|
||||
if (c == (char)0x002D ||
|
||||
(c >= (char)0x0041 && c <= (char)0x005A) ||
|
||||
(c >= (char)0x0030 && c <= (char)0x0039)) {
|
||||
buf[ibuf++] = (char) c;
|
||||
// If we go a bit past the longest possible name then abort
|
||||
if (ibuf == (LONGEST_NAME + 4)) {
|
||||
mode = 0;
|
||||
}
|
||||
}
|
||||
|
||||
// Invalid character
|
||||
else {
|
||||
--cursor; // Backup and reprocess this character
|
||||
mode = 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
offsets.contextLimit += limit - offsets.limit;
|
||||
offsets.limit = limit;
|
||||
// In incremental mode, only advance the cursor up to the last
|
||||
// open delimiter, if we are in mode 1.
|
||||
offsets.start = (mode == 1 && isIncremental) ? openPos : cursor;
|
||||
}
|
||||
}
|
||||
@ -5,8 +5,8 @@
|
||||
*******************************************************************************
|
||||
*
|
||||
* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/text/Attic/Transliterator.java,v $
|
||||
* $Date: 2001/06/29 22:50:25 $
|
||||
* $Revision: 1.35 $
|
||||
* $Date: 2001/07/02 20:55:29 $
|
||||
* $Revision: 1.36 $
|
||||
*
|
||||
*****************************************************************************************
|
||||
*/
|
||||
@ -240,7 +240,7 @@ import com.ibm.text.resources.ResourceReader;
|
||||
* <p>Copyright © IBM Corporation 1999. All rights reserved.
|
||||
*
|
||||
* @author Alan Liu
|
||||
* @version $RCSfile: Transliterator.java,v $ $Revision: 1.35 $ $Date: 2001/06/29 22:50:25 $
|
||||
* @version $RCSfile: Transliterator.java,v $ $Revision: 1.36 $ $Date: 2001/07/02 20:55:29 $
|
||||
*/
|
||||
public abstract class Transliterator {
|
||||
/**
|
||||
@ -1100,6 +1100,8 @@ public abstract class Transliterator {
|
||||
LowercaseTransliterator.register();
|
||||
UppercaseTransliterator.register();
|
||||
TitlecaseTransliterator.register();
|
||||
UnicodeNameTransliterator.register();
|
||||
NameUnicodeTransliterator.register();
|
||||
NormalizationTransliterator.register();
|
||||
}
|
||||
|
||||
|
||||
87
icu4j/src/com/ibm/text/UnicodeNameTransliterator.java
Executable file
87
icu4j/src/com/ibm/text/UnicodeNameTransliterator.java
Executable file
@ -0,0 +1,87 @@
|
||||
/*
|
||||
* Copyright (C) 1996-2001, International Business Machines Corporation and
|
||||
* others. All Rights Reserved.
|
||||
*
|
||||
* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/text/Attic/UnicodeNameTransliterator.java,v $
|
||||
* $Date: 2001/07/02 20:55:29 $
|
||||
* $Revision: 1.1 $
|
||||
*/
|
||||
package com.ibm.text;
|
||||
import java.util.*;
|
||||
|
||||
/**
|
||||
* A transliterator that performs character to name mapping.
|
||||
* @author Alan Liu
|
||||
*/
|
||||
public class UnicodeNameTransliterator extends Transliterator {
|
||||
|
||||
char openDelimiter;
|
||||
char closeDelimiter;
|
||||
|
||||
static final String _ID = "Any-Name";
|
||||
|
||||
/**
|
||||
* System registration hook.
|
||||
*/
|
||||
static void register() {
|
||||
Transliterator.registerFactory(_ID, new Transliterator.Factory() {
|
||||
public Transliterator getInstance() {
|
||||
return new UnicodeNameTransliterator(null);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructs a transliterator.
|
||||
*/
|
||||
public UnicodeNameTransliterator(char openDelimiter, char closeDelimiter,
|
||||
UnicodeFilter filter) {
|
||||
super(_ID, filter);
|
||||
this.openDelimiter = openDelimiter;
|
||||
this.closeDelimiter = closeDelimiter;
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructs a transliterator with the default delimiters '{' and
|
||||
* '}'.
|
||||
*/
|
||||
public UnicodeNameTransliterator(UnicodeFilter filter) {
|
||||
this('{', '}', filter);
|
||||
}
|
||||
|
||||
/**
|
||||
* Implements {@link Transliterator#handleTransliterate}.
|
||||
*/
|
||||
protected void handleTransliterate(Replaceable text,
|
||||
Position offsets, boolean isIncremental) {
|
||||
int cursor = offsets.start;
|
||||
int limit = offsets.limit;
|
||||
|
||||
UnicodeFilter filt = getFilter();
|
||||
StringBuffer str = new StringBuffer();
|
||||
str.append(openDelimiter);
|
||||
int len;
|
||||
String name;
|
||||
|
||||
while (cursor < limit) {
|
||||
char c = text.charAt(cursor);
|
||||
if ((filt == null || filt.contains(c)) &&
|
||||
(name=UCharacter.getName(c)) != null) {
|
||||
|
||||
str.setLength(1);
|
||||
str.append(name).append(closeDelimiter);
|
||||
|
||||
text.replace(cursor, cursor+1, str.toString());
|
||||
len = str.length();
|
||||
cursor += len; // advance cursor by 1 and adjust for new text
|
||||
limit += len-1; // change in length is (len - 1)
|
||||
} else {
|
||||
++cursor;
|
||||
}
|
||||
}
|
||||
|
||||
offsets.contextLimit += limit - offsets.limit;
|
||||
offsets.limit = limit;
|
||||
offsets.start = cursor;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user