/* * Copyright (c) 2016, 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. * * 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. */ /* * @test * @bug 7071819 * @summary tests Unicode Extended Grapheme support * @run main GraphemeTest */ import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.Arrays; import java.util.ArrayList; import java.util.Scanner; import java.util.regex.Pattern; import java.util.regex.Matcher; public class GraphemeTest { public static void main(String[] args) throws Throwable { testProps(Paths.get(System.getProperty("test.src", "."), "GraphemeBreakProperty.txt")); testBreak(Paths.get(System.getProperty("test.src", "."), "GraphemeBreakTest.txt")); } private static void testProps(Path path) throws IOException { Files.lines(path) .filter( ln -> ln.length() != 0 && !ln.startsWith("#") ) .forEach(ln -> { String[] strs = ln.split("\\s+"); int off = strs[0].indexOf(".."); int cp0, cp1; String expected = strs[2]; if (off != -1) { cp0 = Integer.parseInt(strs[0], 0, off, 16); cp1 = Integer.parseInt(strs[0], off + 2, strs[0].length(), 16); } else { cp0 = cp1 = Integer.parseInt(strs[0], 16); } for (int cp = cp0; cp <= cp1; cp++) { // NOTE: // #tr29 "plus a few General_Category = Spacing_Mark needed for // canonical equivalence." // For "extended grapheme clusters" support, there is no // need actually to diff "extend" and "spackmark" given GB9, GB9a. if (!expected.equals(types[getType(cp)])) { if ("Extend".equals(expected) && "SpacingMark".equals(types[getType(cp)])) System.out.printf("[%x] [%s][%d] -> [%s]%n", cp, expected, Character.getType(cp), types[getType(cp)]); else throw new RuntimeException(String.format( "cp=[%x], expeced:[%s] result:[%s]%n", cp, expected, types[getType(cp)])); } } }); } private static void testBreak(Path path) throws IOException { Files.lines(path) .filter( ln -> ln.length() != 0 && !ln.startsWith("#") ) .forEach(ln -> { String str = ln.replaceAll("\\s+|\\([a-zA-Z]+\\)|\\[[a-zA-Z]]+\\]|#.*", ""); // System.out.println(str); String[] cstrs = str.split("\u00f7|\u00d7"); int prevCp = -1; char prevBk = '\u00f7'; int offBk = 0; for (String cstr : cstrs) { if (cstr.length() == 0) // first empty str continue; int cp = Integer.parseInt(cstr, 16); if (prevCp == -1) { prevCp = cp; } else { // test against the rules directly if (rules[getType(prevCp)][getType(cp)] != (prevBk == '\u00f7')) { throw new RuntimeException(String.format( "NG %x[%d] %x[%d] -> %b [%s]%n", prevCp, getType(prevCp), cp, getType(cp), rules[getType(prevCp)][getType(cp)], ln)); } } prevCp = cp; offBk += (cstr.length() + 1); prevBk = str.charAt(offBk); } }); } private static final String[] types = { "Other", "CR", "LF", "Control", "Extend", "Regional_Indicator", "Prepend", "SpacingMark", "L", "V", "T", "LV", "LVT" }; /////////////////////////////////////////////////////////////////////////////////////////////////////////////// // types private static final int OTHER = 0; private static final int CR = 1; private static final int LF = 2; private static final int CONTROL = 3; private static final int EXTEND = 4; private static final int RI = 5; private static final int PREPEND = 6; private static final int SPACINGMARK = 7; private static final int L = 8; private static final int V = 9; private static final int T = 10; private static final int LV = 11; private static final int LVT = 12; private static final int FIRST_TYPE = 0; private static final int LAST_TYPE = 12; private static boolean[][] rules; static { rules = new boolean[LAST_TYPE + 1][LAST_TYPE + 1]; // default, any ÷ any for (int i = FIRST_TYPE; i <= LAST_TYPE; i++) for (int j = FIRST_TYPE; j <= LAST_TYPE; j++) rules[i][j] = true; // GB 6 L x (L | V | LV | VT) rules[L][L] = false; rules[L][V] = false; rules[L][LV] = false; rules[L][LVT] = false; // GB 7 (LV | V) x (V | T) rules[LV][V] = false; rules[LV][T] = false; rules[V][V] = false; rules[V][T] = false; // GB 8 (LVT | T) x T rules[LVT][T] = false; rules[T][T] = false; // GB 8a RI x RI rules[RI][RI] = false; // GB 9 x Extend // GB 9a x Spacing Mark // GB 9b Prepend x for (int i = FIRST_TYPE; i <= LAST_TYPE; i++) { rules[i][EXTEND] = false; rules[i][SPACINGMARK] = false; rules[PREPEND][i] = false; } // GB 4 (Control | CR | LF) ÷ // GB 5 ÷ (Control | CR | LF) for (int i = FIRST_TYPE; i <= LAST_TYPE; i++) for (int j = CR; j <= CONTROL; j++) { rules[i][j] = true; rules[j][i] = true; } // GB 3 CR x LF rules[CR][LF] = false; // GB 10 Any ÷ Any -> default } // Hangul syllables private static final int SYLLABLE_BASE = 0xAC00; private static final int LCOUNT = 19; private static final int VCOUNT = 21; private static final int TCOUNT = 28; private static final int NCOUNT = VCOUNT * TCOUNT; // 588 private static final int SCOUNT = LCOUNT * NCOUNT; // 11172 // #tr29: SpacingMark exceptions: The following (which have // General_Category = Spacing_Mark and would otherwise be included) // are specifically excluded private static boolean isExcludedSpacingMark(int cp) { return cp == 0x102B || cp == 0x102C || cp == 0x1038 || cp >= 0x1062 && cp <= 0x1064 || cp >= 0x1062 && cp <= 0x106D || cp == 0x1083 || cp >= 0x1087 && cp <= 0x108C || cp == 0x108F || cp >= 0x109A && cp <= 0x109C || cp == 0x1A61 || cp == 0x1A63 || cp == 0x1A64 || cp == 0xAA7B || cp == 0xAA7D; } private static int getType(int cp) { int type = Character.getType(cp); switch(type) { case Character.CONTROL: if (cp == 0x000D) return CR; if (cp == 0x000A) return LF; return CONTROL; case Character.UNASSIGNED: // NOTE: #tr29 lists "Unassigned and Default_Ignorable_Code_Point" as Control // but GraphemeBreakTest.txt lists u+0378/reserved-0378 as "Other" // so type it as "Other" to make the test happy if (cp == 0x0378) return OTHER; case Character.LINE_SEPARATOR: case Character.PARAGRAPH_SEPARATOR: case Character.SURROGATE: return CONTROL; case Character.FORMAT: if (cp == 0x200C || cp == 0x200D) return EXTEND; return CONTROL; case Character.NON_SPACING_MARK: case Character.ENCLOSING_MARK: // NOTE: // #tr29 "plus a few General_Category = Spacing_Mark needed for // canonical equivalence." // but for "extended grapheme clusters" support, there is no // need actually to diff "extend" and "spackmark" given GB9, GB9a return EXTEND; case Character.COMBINING_SPACING_MARK: if (isExcludedSpacingMark(cp)) return OTHER; // NOTE: // 0x11720 and 0x11721 are mentioned in #tr29 as // OTHER_LETTER but it appears their category has been updated to // COMBING_SPACING_MARK already (verified in ver.8) return SPACINGMARK; case Character.OTHER_SYMBOL: if (cp >= 0x1F1E6 && cp <= 0x1F1FF) return RI; return OTHER; case Character.MODIFIER_LETTER: // WARNING: // not mentioned in #tr29 but listed in GraphemeBreakProperty.txt if (cp == 0xFF9E || cp == 0xFF9F) return EXTEND; return OTHER; case Character.OTHER_LETTER: if (cp == 0x0E33 || cp == 0x0EB3) return SPACINGMARK; // hangul jamo if (cp >= 0x1100 && cp <= 0x11FF) { if (cp <= 0x115F) return L; if (cp <= 0x11A7) return V; return T; } // hangul syllables int sindex = cp - SYLLABLE_BASE; if (sindex >= 0 && sindex < SCOUNT) { if (sindex % TCOUNT == 0) return LV; return LVT; } // hangul jamo_extended A if (cp >= 0xA960 && cp <= 0xA97C) return L; // hangul jamo_extended B if (cp >= 0xD7B0 && cp <= 0xD7C6) return V; if (cp >= 0xD7CB && cp <= 0xD7FB) return T; } return OTHER; } }