KeySpecParser.java revision 2fe68b9616ebdeb24daf043fbc590ea6a11f10a0
19b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka/* 28632bff2d5a8e1160989008dea6eff4b94b065ddTadashi G. Takaoka * Copyright (C) 2010 The Android Open Source Project 39b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * 49b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * Licensed under the Apache License, Version 2.0 (the "License"); you may not 59b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * use this file except in compliance with the License. You may obtain a copy of 69b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * the License at 79b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * 89b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * http://www.apache.org/licenses/LICENSE-2.0 99b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * 109b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * Unless required by applicable law or agreed to in writing, software 119b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 129b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 139b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * License for the specific language governing permissions and limitations under 149b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * the License. 159b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka */ 169b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1772934bd5967d0127f71fd4d66158b18b4e6ceefeTadashi G. Takaokapackage com.android.inputmethod.keyboard.internal; 189b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 199b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaokaimport android.content.res.Resources; 209b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaokaimport android.text.TextUtils; 21c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaokaimport android.util.Log; 22c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka 23c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaokaimport com.android.inputmethod.keyboard.Keyboard; 24c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaokaimport com.android.inputmethod.latin.R; 259b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 262fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaokaimport java.util.ArrayList; 272fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka 289b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka/** 299b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * String parser of popupCharacters attribute of Key. 309b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * The string is comma separated texts each of which represents one popup key. 319b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * Each popup key text is one of the following: 329b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * - A single letter (Letter) 339b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * - Label optionally followed by keyOutputText or code (keyLabel|keyOutputText). 34c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka * - Icon followed by keyOutputText or code (@icon/icon_number|@integer/key_code) 359b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * Special character, comma ',' backslash '\', and bar '|' can be escaped by '\' 369b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * character. 379b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka * Note that the character '@' and '\' are also parsed by XML parser and CSV parser as well. 38c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka * See {@link KeyboardIconsSet} about icon_number. 399b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka */ 409b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaokapublic class PopupCharactersParser { 41c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka private static final String TAG = PopupCharactersParser.class.getSimpleName(); 42c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka 439b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static final char ESCAPE = '\\'; 449b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static final String LABEL_END = "|"; 459b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static final String PREFIX_AT = "@"; 46c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka private static final String PREFIX_ICON = PREFIX_AT + "icon/"; 479b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static final String PREFIX_CODE = PREFIX_AT + "integer/"; 489b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 499b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private PopupCharactersParser() { 509b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka // Intentional empty constructor for utility class. 519b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 529b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 539b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static boolean hasIcon(String popupSpec) { 549b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (popupSpec.startsWith(PREFIX_ICON)) { 559b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int end = indexOfLabelEnd(popupSpec, 0); 569b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (end > 0) 579b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return true; 589b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka throw new PopupCharactersParserError("outputText or code not specified: " + popupSpec); 599b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 609b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return false; 619b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 629b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 639b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static boolean hasCode(String popupSpec) { 649b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int end = indexOfLabelEnd(popupSpec, 0); 659b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (end > 0 && end + 1 < popupSpec.length() 669b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka && popupSpec.substring(end + 1).startsWith(PREFIX_CODE)) { 679b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return true; 689b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 699b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return false; 709b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 719b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 729b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static String parseEscape(String text) { 739b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (text.indexOf(ESCAPE) < 0) 749b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return text; 759b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int length = text.length(); 769b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final StringBuilder sb = new StringBuilder(); 779b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka for (int pos = 0; pos < length; pos++) { 789b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final char c = text.charAt(pos); 799b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (c == ESCAPE && pos + 1 < length) { 809b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka sb.append(text.charAt(++pos)); 819b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } else { 829b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka sb.append(c); 839b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 849b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 859b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return sb.toString(); 869b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 879b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 889b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static int indexOfLabelEnd(String popupSpec, int start) { 899b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (popupSpec.indexOf(ESCAPE, start) < 0) { 909b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int end = popupSpec.indexOf(LABEL_END, start); 919b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (end == 0) 929b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka throw new PopupCharactersParserError(LABEL_END + " at " + start + ": " + popupSpec); 939b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return end; 949b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 959b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int length = popupSpec.length(); 969b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka for (int pos = start; pos < length; pos++) { 979b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final char c = popupSpec.charAt(pos); 989b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (c == ESCAPE && pos + 1 < length) { 999b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka pos++; 1009b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } else if (popupSpec.startsWith(LABEL_END, pos)) { 1019b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return pos; 1029b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1039b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1049b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return -1; 1059b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1069b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1079b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka public static String getLabel(String popupSpec) { 1089b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (hasIcon(popupSpec)) 1099b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return null; 1109b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int end = indexOfLabelEnd(popupSpec, 0); 1119b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final String label = (end > 0) ? parseEscape(popupSpec.substring(0, end)) 1129b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka : parseEscape(popupSpec); 1139b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (TextUtils.isEmpty(label)) 1149b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka throw new PopupCharactersParserError("Empty label: " + popupSpec); 1159b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return label; 1169b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1179b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1189b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka public static String getOutputText(String popupSpec) { 1199b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (hasCode(popupSpec)) 1209b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return null; 1219b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int end = indexOfLabelEnd(popupSpec, 0); 1229b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (end > 0) { 1239b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (indexOfLabelEnd(popupSpec, end + 1) >= 0) 1249b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka throw new PopupCharactersParserError("Multiple " + LABEL_END + ": " 1259b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka + popupSpec); 1269b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final String outputText = parseEscape(popupSpec.substring(end + LABEL_END.length())); 1279b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (!TextUtils.isEmpty(outputText)) 1289b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return outputText; 1299b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka throw new PopupCharactersParserError("Empty outputText: " + popupSpec); 1309b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1319b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final String label = getLabel(popupSpec); 1329b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (label == null) 1339b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka throw new PopupCharactersParserError("Empty label: " + popupSpec); 134c4f71668d7b8203dc66f0f04c089a363189eb4ceTadashi G. Takaoka // Code is automatically generated for one letter label. See {@link getCode()}. 1359b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (label.length() == 1) 1369b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return null; 1379b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return label; 1389b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1399b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 140c4f71668d7b8203dc66f0f04c089a363189eb4ceTadashi G. Takaoka public static int getCode(Resources res, String popupSpec) { 1419b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (hasCode(popupSpec)) { 1429b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int end = indexOfLabelEnd(popupSpec, 0); 1439b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (indexOfLabelEnd(popupSpec, end + 1) >= 0) 1449b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka throw new PopupCharactersParserError("Multiple " + LABEL_END + ": " + popupSpec); 1459b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int resId = getResourceId(res, 1469b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka popupSpec.substring(end + LABEL_END.length() + PREFIX_AT.length())); 1479b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int code = res.getInteger(resId); 148c4f71668d7b8203dc66f0f04c089a363189eb4ceTadashi G. Takaoka return code; 1499b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1509b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (indexOfLabelEnd(popupSpec, 0) > 0) 151c4f71668d7b8203dc66f0f04c089a363189eb4ceTadashi G. Takaoka return Keyboard.CODE_DUMMY; 1529b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final String label = getLabel(popupSpec); 1539b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka // Code is automatically generated for one letter label. 1549b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (label != null && label.length() == 1) 155c4f71668d7b8203dc66f0f04c089a363189eb4ceTadashi G. Takaoka return label.charAt(0); 156c4f71668d7b8203dc66f0f04c089a363189eb4ceTadashi G. Takaoka return Keyboard.CODE_DUMMY; 1579b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1589b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 159c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka public static int getIconId(String popupSpec) { 1609b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (hasIcon(popupSpec)) { 1619b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka int end = popupSpec.indexOf(LABEL_END, PREFIX_ICON.length() + 1); 162c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka final String iconId = popupSpec.substring(PREFIX_ICON.length(), end); 163c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka try { 164c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka return Integer.valueOf(iconId); 165c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka } catch (NumberFormatException e) { 166c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka Log.w(TAG, "illegal icon id specified: " + iconId); 167c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka return KeyboardIconsSet.ICON_UNDEFINED; 168c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka } 1699b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 170c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka return KeyboardIconsSet.ICON_UNDEFINED; 1719b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1729b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1739b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static int getResourceId(Resources res, String name) { 1749b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka String packageName = res.getResourcePackageName(R.string.english_ime_name); 1759b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka int resId = res.getIdentifier(name, null, packageName); 1769b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (resId == 0) 1779b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka throw new PopupCharactersParserError("Unknown resource: " + name); 1789b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return resId; 1799b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1809b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1819b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka @SuppressWarnings("serial") 1829b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka public static class PopupCharactersParserError extends RuntimeException { 1839b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka public PopupCharactersParserError(String message) { 1849b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka super(message); 1859b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1869b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1872fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka 1882fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public interface CodeFilter { 1892fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public boolean shouldFilterOut(int code); 1902fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 1912fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka 1922fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public static final CodeFilter DIGIT_FILTER = new CodeFilter() { 1932fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka @Override 1942fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public boolean shouldFilterOut(int code) { 1952fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return Character.isDigit(code); 1962fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 1972fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka }; 1982fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka 1992fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public static final CodeFilter NON_ASCII_FILTER = new CodeFilter() { 2002fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka @Override 2012fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public boolean shouldFilterOut(int code) { 2022fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return code < 0x20 || code > 0x7e; 2032fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2042fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka }; 2052fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka 2062fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public static CharSequence[] filterOut(Resources res, CharSequence[] popupCharacters, 2072fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka CodeFilter filter) { 2082fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka if (popupCharacters == null || popupCharacters.length < 1) { 2092fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return null; 2102fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2112fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka if (popupCharacters.length == 1 2122fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka && filter.shouldFilterOut(getCode(res, popupCharacters[0].toString()))) { 2132fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return null; 2142fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2152fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka ArrayList<CharSequence> filtered = null; 2162fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka for (int i = 0; i < popupCharacters.length; i++) { 2172fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka final CharSequence popupSpec = popupCharacters[i]; 2182fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka if (filter.shouldFilterOut(getCode(res, popupSpec.toString()))) { 2192fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka if (filtered == null) { 2202fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka filtered = new ArrayList<CharSequence>(); 2212fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka for (int j = 0; j < i; j++) { 2222fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka filtered.add(popupCharacters[j]); 2232fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2242fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2252fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } else if (filtered != null) { 2262fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka filtered.add(popupSpec); 2272fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2282fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2292fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka if (filtered == null) { 2302fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return popupCharacters; 2312fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2322fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka if (filtered.size() == 0) { 2332fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return null; 2342fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2352fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return filtered.toArray(new CharSequence[filtered.size()]); 2362fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2379b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka} 238