| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.complexscripts.util; |
| |
| import java.util.Arrays; |
| |
| /** |
| * <p>Mirror related utilities.</p> |
| * |
| * <p>This work was originally authored by Glenn Adams (gadams@apache.org).</p> |
| */ |
| public final class CharMirror { |
| |
| private CharMirror() { |
| } |
| |
| /** |
| * Mirror characters that are designated as having the bidi mirrorred property. |
| * @param s a string whose characters are to be mirrored |
| * @return the resulting string |
| */ |
| public static String mirror(String s) { |
| StringBuffer sb = new StringBuffer(s); |
| for (int i = 0, n = sb.length(); i < n; ++i) { |
| sb.setCharAt(i, (char) mirror(sb.charAt(i))); |
| } |
| return sb.toString(); |
| } |
| |
| /** |
| * Determine if string has a mirrorable character. |
| * @param s a string whose characters are to be tested for mirrorability |
| * @return true if some character can be mirrored |
| */ |
| public static boolean hasMirrorable(String s) { |
| for (int i = 0, n = s.length(); i < n; ++i) { |
| char c = s.charAt(i); |
| if (Arrays.binarySearch(mirroredCharacters, c) >= 0) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private static int[] mirroredCharacters = { |
| 0x0028, |
| 0x0029, |
| 0x003C, |
| 0x003E, |
| 0x005B, |
| 0x005D, |
| 0x007B, |
| 0x007D, |
| 0x00AB, |
| 0x00BB, |
| 0x0F3A, |
| 0x0F3B, |
| 0x0F3C, |
| 0x0F3D, |
| 0x169B, |
| 0x169C, |
| 0x2039, |
| 0x203A, |
| 0x2045, |
| 0x2046, |
| 0x207D, |
| 0x207E, |
| 0x208D, |
| 0x208E, |
| 0x2208, |
| 0x2209, |
| 0x220A, |
| 0x220B, |
| 0x220C, |
| 0x220D, |
| 0x2215, |
| 0x223C, |
| 0x223D, |
| 0x2243, |
| 0x2252, |
| 0x2253, |
| 0x2254, |
| 0x2255, |
| 0x2264, |
| 0x2265, |
| 0x2266, |
| 0x2267, |
| 0x2268, |
| 0x2269, |
| 0x226A, |
| 0x226B, |
| 0x226E, |
| 0x226F, |
| 0x2270, |
| 0x2271, |
| 0x2272, |
| 0x2273, |
| 0x2274, |
| 0x2275, |
| 0x2276, |
| 0x2277, |
| 0x2278, |
| 0x2279, |
| 0x227A, |
| 0x227B, |
| 0x227C, |
| 0x227D, |
| 0x227E, |
| 0x227F, |
| 0x2280, |
| 0x2281, |
| 0x2282, |
| 0x2283, |
| 0x2284, |
| 0x2285, |
| 0x2286, |
| 0x2287, |
| 0x2288, |
| 0x2289, |
| 0x228A, |
| 0x228B, |
| 0x228F, |
| 0x2290, |
| 0x2291, |
| 0x2292, |
| 0x2298, |
| 0x22A2, |
| 0x22A3, |
| 0x22A6, |
| 0x22A8, |
| 0x22A9, |
| 0x22AB, |
| 0x22B0, |
| 0x22B1, |
| 0x22B2, |
| 0x22B3, |
| 0x22B4, |
| 0x22B5, |
| 0x22B6, |
| 0x22B7, |
| 0x22C9, |
| 0x22CA, |
| 0x22CB, |
| 0x22CC, |
| 0x22CD, |
| 0x22D0, |
| 0x22D1, |
| 0x22D6, |
| 0x22D7, |
| 0x22D8, |
| 0x22D9, |
| 0x22DA, |
| 0x22DB, |
| 0x22DC, |
| 0x22DD, |
| 0x22DE, |
| 0x22DF, |
| 0x22E0, |
| 0x22E1, |
| 0x22E2, |
| 0x22E3, |
| 0x22E4, |
| 0x22E5, |
| 0x22E6, |
| 0x22E7, |
| 0x22E8, |
| 0x22E9, |
| 0x22EA, |
| 0x22EB, |
| 0x22EC, |
| 0x22ED, |
| 0x22F0, |
| 0x22F1, |
| 0x22F2, |
| 0x22F3, |
| 0x22F4, |
| 0x22F6, |
| 0x22F7, |
| 0x22FA, |
| 0x22FB, |
| 0x22FC, |
| 0x22FD, |
| 0x22FE, |
| 0x2308, |
| 0x2309, |
| 0x230A, |
| 0x230B, |
| 0x2329, |
| 0x232A, |
| 0x2768, |
| 0x2769, |
| 0x276A, |
| 0x276B, |
| 0x276C, |
| 0x276D, |
| 0x276E, |
| 0x276F, |
| 0x2770, |
| 0x2771, |
| 0x2772, |
| 0x2773, |
| 0x2774, |
| 0x2775, |
| 0x27C3, |
| 0x27C4, |
| 0x27C5, |
| 0x27C6, |
| 0x27C8, |
| 0x27C9, |
| 0x27D5, |
| 0x27D6, |
| 0x27DD, |
| 0x27DE, |
| 0x27E2, |
| 0x27E3, |
| 0x27E4, |
| 0x27E5, |
| 0x27E6, |
| 0x27E7, |
| 0x27E8, |
| 0x27E9, |
| 0x27EA, |
| 0x27EB, |
| 0x27EC, |
| 0x27ED, |
| 0x27EE, |
| 0x27EF, |
| 0x2983, |
| 0x2984, |
| 0x2985, |
| 0x2986, |
| 0x2987, |
| 0x2988, |
| 0x2989, |
| 0x298A, |
| 0x298B, |
| 0x298C, |
| 0x298D, |
| 0x298E, |
| 0x298F, |
| 0x2990, |
| 0x2991, |
| 0x2992, |
| 0x2993, |
| 0x2994, |
| 0x2995, |
| 0x2996, |
| 0x2997, |
| 0x2998, |
| 0x29B8, |
| 0x29C0, |
| 0x29C1, |
| 0x29C4, |
| 0x29C5, |
| 0x29CF, |
| 0x29D0, |
| 0x29D1, |
| 0x29D2, |
| 0x29D4, |
| 0x29D5, |
| 0x29D8, |
| 0x29D9, |
| 0x29DA, |
| 0x29DB, |
| 0x29F5, |
| 0x29F8, |
| 0x29F9, |
| 0x29FC, |
| 0x29FD, |
| 0x2A2B, |
| 0x2A2C, |
| 0x2A2D, |
| 0x2A2E, |
| 0x2A34, |
| 0x2A35, |
| 0x2A3C, |
| 0x2A3D, |
| 0x2A64, |
| 0x2A65, |
| 0x2A79, |
| 0x2A7A, |
| 0x2A7D, |
| 0x2A7E, |
| 0x2A7F, |
| 0x2A80, |
| 0x2A81, |
| 0x2A82, |
| 0x2A83, |
| 0x2A84, |
| 0x2A8B, |
| 0x2A8C, |
| 0x2A91, |
| 0x2A92, |
| 0x2A93, |
| 0x2A94, |
| 0x2A95, |
| 0x2A96, |
| 0x2A97, |
| 0x2A98, |
| 0x2A99, |
| 0x2A9A, |
| 0x2A9B, |
| 0x2A9C, |
| 0x2AA1, |
| 0x2AA2, |
| 0x2AA6, |
| 0x2AA7, |
| 0x2AA8, |
| 0x2AA9, |
| 0x2AAA, |
| 0x2AAB, |
| 0x2AAC, |
| 0x2AAD, |
| 0x2AAF, |
| 0x2AB0, |
| 0x2AB3, |
| 0x2AB4, |
| 0x2AC3, |
| 0x2AC4, |
| 0x2AC5, |
| 0x2AC6, |
| 0x2ACD, |
| 0x2ACE, |
| 0x2ACF, |
| 0x2AD0, |
| 0x2AD1, |
| 0x2AD2, |
| 0x2AD3, |
| 0x2AD4, |
| 0x2AD5, |
| 0x2AD6, |
| 0x2ADE, |
| 0x2AE3, |
| 0x2E02, |
| 0x2E03, |
| 0x2E04, |
| 0x2E05, |
| 0x2E09, |
| 0x2E0A, |
| 0x2E0C, |
| 0x2E0D, |
| 0x2E1C, |
| 0x2E1D, |
| 0x2E20, |
| 0x2E21, |
| 0x2E22, |
| 0x2E23, |
| 0x2E24, |
| 0x2E25, |
| 0x2E26, |
| 0x300E, |
| 0x300F, |
| 0x3010, |
| 0x3011, |
| 0x3014, |
| 0x3015, |
| 0x3016, |
| 0x3017, |
| 0x3018, |
| 0x3019, |
| 0x301A, |
| 0x301B, |
| 0xFE59, |
| 0xFE5A, |
| 0xFF3B, |
| 0xFF3D, |
| 0xFF5B, |
| 0xFF5D, |
| 0xFF5F, |
| 0xFF60, |
| 0xFF62, |
| 0xFF63 |
| }; |
| |
| private static int[] mirroredCharactersMapping = { |
| 0x0029, |
| 0x0028, |
| 0x003E, |
| 0x003C, |
| 0x005D, |
| 0x005B, |
| 0x007D, |
| 0x007B, |
| 0x00BB, |
| 0x00AB, |
| 0x0F3B, |
| 0x0F3A, |
| 0x0F3D, |
| 0x0F3C, |
| 0x169C, |
| 0x169B, |
| 0x203A, |
| 0x2039, |
| 0x2046, |
| 0x2045, |
| 0x207E, |
| 0x207D, |
| 0x208E, |
| 0x208D, |
| 0x220B, |
| 0x220C, |
| 0x220D, |
| 0x2208, |
| 0x2209, |
| 0x220A, |
| 0x29F5, |
| 0x223D, |
| 0x223C, |
| 0x22CD, |
| 0x2253, |
| 0x2252, |
| 0x2255, |
| 0x2254, |
| 0x2265, |
| 0x2264, |
| 0x2267, |
| 0x2266, |
| 0x2269, |
| 0x2268, |
| 0x226B, |
| 0x226A, |
| 0x226F, |
| 0x226E, |
| 0x2271, |
| 0x2270, |
| 0x2273, |
| 0x2272, |
| 0x2275, |
| 0x2274, |
| 0x2277, |
| 0x2276, |
| 0x2279, |
| 0x2278, |
| 0x227B, |
| 0x227A, |
| 0x227D, |
| 0x227C, |
| 0x227F, |
| 0x227E, |
| 0x2281, |
| 0x2280, |
| 0x2283, |
| 0x2282, |
| 0x2285, |
| 0x2284, |
| 0x2287, |
| 0x2286, |
| 0x2289, |
| 0x2288, |
| 0x228B, |
| 0x228A, |
| 0x2290, |
| 0x228F, |
| 0x2292, |
| 0x2291, |
| 0x29B8, |
| 0x22A3, |
| 0x22A2, |
| 0x2ADE, |
| 0x2AE4, |
| 0x2AE3, |
| 0x2AE5, |
| 0x22B1, |
| 0x22B0, |
| 0x22B3, |
| 0x22B2, |
| 0x22B5, |
| 0x22B4, |
| 0x22B7, |
| 0x22B6, |
| 0x22CA, |
| 0x22C9, |
| 0x22CC, |
| 0x22CB, |
| 0x2243, |
| 0x22D1, |
| 0x22D0, |
| 0x22D7, |
| 0x22D6, |
| 0x22D9, |
| 0x22D8, |
| 0x22DB, |
| 0x22DA, |
| 0x22DD, |
| 0x22DC, |
| 0x22DF, |
| 0x22DE, |
| 0x22E1, |
| 0x22E0, |
| 0x22E3, |
| 0x22E2, |
| 0x22E5, |
| 0x22E4, |
| 0x22E7, |
| 0x22E6, |
| 0x22E9, |
| 0x22E8, |
| 0x22EB, |
| 0x22EA, |
| 0x22ED, |
| 0x22EC, |
| 0x22F1, |
| 0x22F0, |
| 0x22FA, |
| 0x22FB, |
| 0x22FC, |
| 0x22FD, |
| 0x22FE, |
| 0x22F2, |
| 0x22F3, |
| 0x22F4, |
| 0x22F6, |
| 0x22F7, |
| 0x2309, |
| 0x2308, |
| 0x230B, |
| 0x230A, |
| 0x232A, |
| 0x2329, |
| 0x2769, |
| 0x2768, |
| 0x276B, |
| 0x276A, |
| 0x276D, |
| 0x276C, |
| 0x276F, |
| 0x276E, |
| 0x2771, |
| 0x2770, |
| 0x2773, |
| 0x2772, |
| 0x2775, |
| 0x2774, |
| 0x27C4, |
| 0x27C3, |
| 0x27C6, |
| 0x27C5, |
| 0x27C9, |
| 0x27C8, |
| 0x27D6, |
| 0x27D5, |
| 0x27DE, |
| 0x27DD, |
| 0x27E3, |
| 0x27E2, |
| 0x27E5, |
| 0x27E4, |
| 0x27E7, |
| 0x27E6, |
| 0x27E9, |
| 0x27E8, |
| 0x27EB, |
| 0x27EA, |
| 0x27ED, |
| 0x27EC, |
| 0x27EF, |
| 0x27EE, |
| 0x2984, |
| 0x2983, |
| 0x2986, |
| 0x2985, |
| 0x2988, |
| 0x2987, |
| 0x298A, |
| 0x2989, |
| 0x298C, |
| 0x298B, |
| 0x2990, |
| 0x298F, |
| 0x298E, |
| 0x298D, |
| 0x2992, |
| 0x2991, |
| 0x2994, |
| 0x2993, |
| 0x2996, |
| 0x2995, |
| 0x2998, |
| 0x2997, |
| 0x2298, |
| 0x29C1, |
| 0x29C0, |
| 0x29C5, |
| 0x29C4, |
| 0x29D0, |
| 0x29CF, |
| 0x29D2, |
| 0x29D1, |
| 0x29D5, |
| 0x29D4, |
| 0x29D9, |
| 0x29D8, |
| 0x29DB, |
| 0x29DA, |
| 0x2215, |
| 0x29F9, |
| 0x29F8, |
| 0x29FD, |
| 0x29FC, |
| 0x2A2C, |
| 0x2A2B, |
| 0x2A2E, |
| 0x2A2D, |
| 0x2A35, |
| 0x2A34, |
| 0x2A3D, |
| 0x2A3C, |
| 0x2A65, |
| 0x2A64, |
| 0x2A7A, |
| 0x2A79, |
| 0x2A7E, |
| 0x2A7D, |
| 0x2A80, |
| 0x2A7F, |
| 0x2A82, |
| 0x2A81, |
| 0x2A84, |
| 0x2A83, |
| 0x2A8C, |
| 0x2A8B, |
| 0x2A92, |
| 0x2A91, |
| 0x2A94, |
| 0x2A93, |
| 0x2A96, |
| 0x2A95, |
| 0x2A98, |
| 0x2A97, |
| 0x2A9A, |
| 0x2A99, |
| 0x2A9C, |
| 0x2A9B, |
| 0x2AA2, |
| 0x2AA1, |
| 0x2AA7, |
| 0x2AA6, |
| 0x2AA9, |
| 0x2AA8, |
| 0x2AAB, |
| 0x2AAA, |
| 0x2AAD, |
| 0x2AAC, |
| 0x2AB0, |
| 0x2AAF, |
| 0x2AB4, |
| 0x2AB3, |
| 0x2AC4, |
| 0x2AC3, |
| 0x2AC6, |
| 0x2AC5, |
| 0x2ACE, |
| 0x2ACD, |
| 0x2AD0, |
| 0x2ACF, |
| 0x2AD2, |
| 0x2AD1, |
| 0x2AD4, |
| 0x2AD3, |
| 0x2AD6, |
| 0x2AD5, |
| 0x22A6, |
| 0x22A9, |
| 0x2E03, |
| 0x2E02, |
| 0x2E05, |
| 0x2E04, |
| 0x2E0A, |
| 0x2E09, |
| 0x2E0D, |
| 0x2E0C, |
| 0x2E1D, |
| 0x2E1C, |
| 0x2E21, |
| 0x2E20, |
| 0x2E23, |
| 0x2E22, |
| 0x2E25, |
| 0x2E24, |
| 0x2E27, |
| 0x300F, |
| 0x300E, |
| 0x3011, |
| 0x3010, |
| 0x3015, |
| 0x3014, |
| 0x3017, |
| 0x3016, |
| 0x3019, |
| 0x3018, |
| 0x301B, |
| 0x301A, |
| 0xFE5A, |
| 0xFE59, |
| 0xFF3D, |
| 0xFF3B, |
| 0xFF5D, |
| 0xFF5B, |
| 0xFF60, |
| 0xFF5F, |
| 0xFF63, |
| 0xFF62 |
| }; |
| |
| private static int mirror(int c) { |
| int i = Arrays.binarySearch(mirroredCharacters, c); |
| if (i < 0) { |
| return c; |
| } else { |
| return mirroredCharactersMapping [ i ]; |
| } |
| } |
| |
| } |
