JDK8/Java8源码在线阅读

/*
 * Copyright (c) 1996, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * (C) Copyright Taligent, Inc. 1996,1997 - All Rights Reserved
 * (C) Copyright IBM Corp. 1996, 1997 - All Rights Reserved
 *
 *   The original version of this source code and documentation is copyrighted
 * and owned by Taligent, Inc., a wholly-owned subsidiary of IBM. These
 * materials are provided under terms of a License Agreement between Taligent
 * and Sun. This technology is protected by multiple US and International
 * patents. This notice and attribution to Taligent may not be removed.
 *   Taligent is a registered trademark of Taligent, Inc.
 *
 */

package sun.util.locale.provider;
/**
 * CollationRules contains the default en_US collation rules as a base
 * for building other collation tables.
 * <p>Note that decompositions are done before these rules are used,
 * so they do not have to contain accented characters, such as A-grave.
 * @see                RuleBasedCollator
 * @see                LocaleElements
 * @author             Helena Shih, Mark Davis
 */
final class CollationRules {
    final static String DEFAULTRULES =
        "" // no FRENCH accent order by default, add in French Delta
        // IGNORABLES (up to first < character)
        // COMPLETELY IGNORE format characters
        + "='\u200B'=\u200C=\u200D=\u200E=\u200F"
        // Control Characters
        + "=\u0000 =\u0001 =\u0002 =\u0003 =\u0004" //null, .. eot
        + "=\u0005 =\u0006 =\u0007 =\u0008 ='\u0009'" //enq, ...
        + "='\u000b' =\u000e" //vt,, so
        + "=\u000f ='\u0010' =\u0011 =\u0012 =\u0013" //si, dle, dc1, dc2, dc3
        + "=\u0014 =\u0015 =\u0016 =\u0017 =\u0018" //dc4, nak, syn, etb, can
        + "=\u0019 =\u001a =\u001b =\u001c =\u001d" //em, sub, esc, fs, gs
        + "=\u001e =\u001f =\u007f"                   //rs, us, del
        //....then the C1 Latin 1 reserved control codes
        + "=\u0080 =\u0081 =\u0082 =\u0083 =\u0084 =\u0085"
        + "=\u0086 =\u0087 =\u0088 =\u0089 =\u008a =\u008b"
        + "=\u008c =\u008d =\u008e =\u008f =\u0090 =\u0091"
        + "=\u0092 =\u0093 =\u0094 =\u0095 =\u0096 =\u0097"
        + "=\u0098 =\u0099 =\u009a =\u009b =\u009c =\u009d"
        + "=\u009e =\u009f"
        // IGNORE except for secondary, tertiary difference
        // Spaces
        + ";'\u0020';'\u00A0'"                  // spaces
        + ";'\u2000';'\u2001';'\u2002';'\u2003';'\u2004'"  // spaces
        + ";'\u2005';'\u2006';'\u2007';'\u2008';'\u2009'"  // spaces
        + ";'\u200A';'\u3000';'\uFEFF'"                // spaces
        + ";'\r' ;'\t' ;'\n';'\f';'\u000b'"  // whitespace

        // Non-spacing accents

        + ";\u0301"          // non-spacing acute accent
        + ";\u0300"          // non-spacing grave accent
        + ";\u0306"          // non-spacing breve accent
        + ";\u0302"          // non-spacing circumflex accent
        + ";\u030c"          // non-spacing caron/hacek accent
        + ";\u030a"          // non-spacing ring above accent
        + ";\u030d"          // non-spacing vertical line above
        + ";\u0308"          // non-spacing diaeresis accent
        + ";\u030b"          // non-spacing double acute accent
        + ";\u0303"          // non-spacing tilde accent
        + ";\u0307"          // non-spacing dot above/overdot accent
        + ";\u0304"          // non-spacing macron accent
        + ";\u0337"          // non-spacing short slash overlay (overstruck diacritic)
        + ";\u0327"          // non-spacing cedilla accent
        + ";\u0328"          // non-spacing ogonek accent
        + ";\u0323"          // non-spacing dot-below/underdot accent
        + ";\u0332"          // non-spacing underscore/underline accent
        // with the rest of the general diacritical marks in binary order
        + ";\u0305"          // non-spacing overscore/overline
        + ";\u0309"          // non-spacing hook above
        + ";\u030e"          // non-spacing double vertical line above
        + ";\u030f"          // non-spacing double grave
        + ";\u0310"          // non-spacing chandrabindu
        + ";\u0311"          // non-spacing inverted breve
        + ";\u0312"          // non-spacing turned comma above/cedilla above
        + ";\u0313"          // non-spacing comma above
        + ";\u0314"          // non-spacing reversed comma above
        + ";\u0315"          // non-spacing comma above right
        + ";\u0316"          // non-spacing grave below
        + ";\u0317"          // non-spacing acute below
        + ";\u0318"          // non-spacing left tack below
        + ";\u0319"          // non-spacing tack below
        + ";\u031a"          // non-spacing left angle above
        + ";\u031b"          // non-spacing horn
        + ";\u031c"          // non-spacing left half ring below
        + ";\u031d"          // non-spacing up tack below
        + ";\u031e"          // non-spacing down tack below
        + ";\u031f"          // non-spacing plus sign below
        + ";\u0320"          // non-spacing minus sign below
        + ";\u0321"          // non-spacing palatalized hook below
        + ";\u0322"          // non-spacing retroflex hook below
        + ";\u0324"          // non-spacing double dot below
        + ";\u0325"          // non-spacing ring below
        + ";\u0326"          // non-spacing comma below
        + ";\u0329"          // non-spacing vertical line below
        + ";\u032a"          // non-spacing bridge below
        + ";\u032b"          // non-spacing inverted double arch below
        + ";\u032c"          // non-spacing hacek below
        + ";\u032d"          // non-spacing circumflex below
        + ";\u032e"          // non-spacing breve below
        + ";\u032f"          // non-spacing inverted breve below
        + ";\u0330"          // non-spacing tilde below
        + ";\u0331"          // non-spacing macron below
        + ";\u0333"          // non-spacing double underscore
        + ";\u0334"          // non-spacing tilde overlay
        + ";\u0335"          // non-spacing short bar overlay
        + ";\u0336"          // non-spacing long bar overlay
        + ";\u0338"          // non-spacing long slash overlay
        + ";\u0339"          // non-spacing right half ring below
        + ";\u033a"          // non-spacing inverted bridge below
        + ";\u033b"          // non-spacing square below
        + ";\u033c"          // non-spacing seagull below
        + ";\u033d"          // non-spacing x above
        + ";\u033e"          // non-spacing vertical tilde
        + ";\u033f"          // non-spacing double overscore
        //+ ";\u0340"          // non-spacing grave tone mark == \u0300
        //+ ";\u0341"          // non-spacing acute tone mark == \u0301
        + ";\u0342;"
        //+ "\u0343;" // == \u0313
        + "\u0344;\u0345;\u0360;\u0361"    // newer
        + ";\u0483;\u0484;\u0485;\u0486"    // Cyrillic accents

        + ";\u20D0;\u20D1;\u20D2"           // symbol accents
        + ";\u20D3;\u20D4;\u20D5"           // symbol accents
        + ";\u20D6;\u20D7;\u20D8"           // symbol accents
        + ";\u20D9;\u20DA;\u20DB"           // symbol accents
        + ";\u20DC;\u20DD;\u20DE"           // symbol accents
        + ";\u20DF;\u20E0;\u20E1"           // symbol accents

        + ",'\u002D';\u00AD"                // dashes
        + ";\u2010;\u2011;\u2012"           // dashes
        + ";\u2013;\u2014;\u2015"           // dashes
        + ";\u2212"                         // dashes

        // other punctuation

        + "<'\u005f'"        // underline/underscore (spacing)
        + "<\u00af"          // overline or macron (spacing)
        + "<'\u002c'"        // comma (spacing)
        + "<'\u003b'"        // semicolon
        + "<'\u003a'"        // colon
        + "<'\u0021'"        // exclamation point
        + "<\u00a1"          // inverted exclamation point
        + "<'\u003f'"        // question mark
        + "<\u00bf"          // inverted question mark
        + "<'\u002f'"        // slash
        + "<'\u002e'"        // period/full stop
        + "<\u00b4"          // acute accent (spacing)
        + "<'\u0060'"        // grave accent (spacing)
        + "<'\u005e'"        // circumflex accent (spacing)
        + "<\u00a8"          // diaresis/umlaut accent (spacing)
        + "<'\u007e'"        // tilde accent (spacing)
        + "<\u00b7"          // middle dot (spacing)
        + "<\u00b8"          // cedilla accent (spacing)
        + "<'\u0027'"        // apostrophe
        + "<'\"'"            // quotation marks
        + "<\u00ab"          // left angle quotes
        + "<\u00bb"          // right angle quotes
        + "<'\u0028'"        // left parenthesis
        + "<'\u0029'"        // right parenthesis
        + "<'\u005b'"        // left bracket
        + "<'\u005d'"        // right bracket
        + "<'\u007b'"        // left brace
        + "<'\u007d'"        // right brace
        + "<\u00a7"          // section symbol
        + "<\u00b6"          // paragraph symbol
        + "<\u00a9"          // copyright symbol
        + "<\u00ae"          // registered trademark symbol
        + "<'\u0040'"          // at sign
        + "<\u00a4"          // international currency symbol
        + "<\u0e3f"          // baht sign
        + "<\u00a2"          // cent sign
        + "<\u20a1"          // colon sign
        + "<\u20a2"          // cruzeiro sign
        + "<'\u0024'"        // dollar sign
        + "<\u20ab"          // dong sign
        + "<\u20ac"          // euro sign
        + "<\u20a3"          // franc sign
        + "<\u20a4"          // lira sign
        + "<\u20a5"          // mill sign
        + "<\u20a6"          // naira sign
        + "<\u20a7"          // peseta sign
        + "<\u00a3"          // pound-sterling sign
        + "<\u20a8"          // rupee sign
        + "<\u20aa"          // new shekel sign
        + "<\u20a9"          // won sign
        + "<\u00a5"          // yen sign
        + "<'\u002a'"        // asterisk
        + "<'\\'"            // backslash
        + "<'\u0026'"        // ampersand
        + "<'\u0023'"        // number sign
        + "<'\u0025'"        // percent sign
        + "<'\u002b'"        // plus sign
        + "<\u00b1"          // plus-or-minus sign
        + "<\u00f7"          // divide sign
        + "<\u00d7"          // multiply sign
        + "<'\u003c'"        // less-than sign
        + "<'\u003d'"        // equal sign

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