KeySpecParser.java revision 23bacdb6a58cf22535aea8d22d3b6e14ea23667e
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/** 299d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka * String parser of moreKeys attribute of Key. 309d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka * The string is comma separated texts each of which represents one "more key". 319d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka * Each "more key" specification 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 */ 409d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaokapublic class MoreKeySpecParser { 419d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka private static final String TAG = MoreKeySpecParser.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 499d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka private MoreKeySpecParser() { 509b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka // Intentional empty constructor for utility class. 519b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 529b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 539d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka private static boolean hasIcon(String moreKeySpec) { 549d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka if (moreKeySpec.startsWith(PREFIX_ICON)) { 559d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final int end = indexOfLabelEnd(moreKeySpec, 0); 5623bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (end > 0) { 579b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return true; 5823bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 599d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka throw new MoreKeySpecParserError("outputText or code not specified: " + moreKeySpec); 609b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 619b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return false; 629b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 639b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 649d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka private static boolean hasCode(String moreKeySpec) { 659d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final int end = indexOfLabelEnd(moreKeySpec, 0); 669d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka if (end > 0 && end + 1 < moreKeySpec.length() 679d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka && moreKeySpec.substring(end + 1).startsWith(PREFIX_CODE)) { 689b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return true; 699b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 709b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return false; 719b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 729b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 739b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static String parseEscape(String text) { 7423bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (text.indexOf(ESCAPE) < 0) { 759b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return text; 7623bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 779b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int length = text.length(); 789b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final StringBuilder sb = new StringBuilder(); 799b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka for (int pos = 0; pos < length; pos++) { 809b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final char c = text.charAt(pos); 819b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (c == ESCAPE && pos + 1 < length) { 829b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka sb.append(text.charAt(++pos)); 839b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } else { 849b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka sb.append(c); 859b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 869b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 879b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return sb.toString(); 889b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 899b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 909d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka private static int indexOfLabelEnd(String moreKeySpec, int start) { 919d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka if (moreKeySpec.indexOf(ESCAPE, start) < 0) { 929d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final int end = moreKeySpec.indexOf(LABEL_END, start); 9323bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (end == 0) { 949d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka throw new MoreKeySpecParserError(LABEL_END + " at " + start + ": " + moreKeySpec); 9523bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 969b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return end; 979b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 989d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final int length = moreKeySpec.length(); 999b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka for (int pos = start; pos < length; pos++) { 1009d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final char c = moreKeySpec.charAt(pos); 1019b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (c == ESCAPE && pos + 1 < length) { 1029b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka pos++; 1039d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka } else if (moreKeySpec.startsWith(LABEL_END, pos)) { 1049b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return pos; 1059b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1069b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1079b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return -1; 1089b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1099b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1109d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka public static String getLabel(String moreKeySpec) { 11123bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (hasIcon(moreKeySpec)) { 1129b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return null; 11323bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 1149d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final int end = indexOfLabelEnd(moreKeySpec, 0); 1159d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final String label = (end > 0) ? parseEscape(moreKeySpec.substring(0, end)) 1169d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka : parseEscape(moreKeySpec); 11723bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (TextUtils.isEmpty(label)) { 1189d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka throw new MoreKeySpecParserError("Empty label: " + moreKeySpec); 11923bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 1209b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return label; 1219b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1229b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1239d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka public static String getOutputText(String moreKeySpec) { 12423bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (hasCode(moreKeySpec)) { 1259b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return null; 12623bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 1279d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final int end = indexOfLabelEnd(moreKeySpec, 0); 1289b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka if (end > 0) { 12923bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (indexOfLabelEnd(moreKeySpec, end + 1) >= 0) { 1309d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka throw new MoreKeySpecParserError("Multiple " + LABEL_END + ": " 1319d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka + moreKeySpec); 13223bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 1339d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final String outputText = parseEscape(moreKeySpec.substring(end + LABEL_END.length())); 13423bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (!TextUtils.isEmpty(outputText)) { 1359b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return outputText; 13623bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 1379d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka throw new MoreKeySpecParserError("Empty outputText: " + moreKeySpec); 1389b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1399d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final String label = getLabel(moreKeySpec); 14023bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (label == null) { 1419d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka throw new MoreKeySpecParserError("Empty label: " + moreKeySpec); 14223bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 143c4f71668d7b8203dc66f0f04c089a363189eb4ceTadashi G. Takaoka // Code is automatically generated for one letter label. See {@link getCode()}. 14423bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka return (label.length() == 1) ? null : label; 1459b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1469b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1479d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka public static int getCode(Resources res, String moreKeySpec) { 1489d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka if (hasCode(moreKeySpec)) { 1499d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final int end = indexOfLabelEnd(moreKeySpec, 0); 15023bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (indexOfLabelEnd(moreKeySpec, end + 1) >= 0) { 1519d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka throw new MoreKeySpecParserError("Multiple " + LABEL_END + ": " + moreKeySpec); 15223bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 1539b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int resId = getResourceId(res, 1549d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka moreKeySpec.substring(end + LABEL_END.length() + PREFIX_AT.length())); 1559b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka final int code = res.getInteger(resId); 156c4f71668d7b8203dc66f0f04c089a363189eb4ceTadashi G. Takaoka return code; 1579b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 15823bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (indexOfLabelEnd(moreKeySpec, 0) > 0) { 15923bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka return Keyboard.CODE_OUTPUT_TEXT; 16023bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 1619d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final String label = getLabel(moreKeySpec); 1629b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka // Code is automatically generated for one letter label. 16323bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (label != null && label.length() == 1) { 164c4f71668d7b8203dc66f0f04c089a363189eb4ceTadashi G. Takaoka return label.charAt(0); 16523bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 16623bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka return Keyboard.CODE_OUTPUT_TEXT; 1679b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1689b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1699d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka public static int getIconId(String moreKeySpec) { 1709d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka if (hasIcon(moreKeySpec)) { 1719d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka int end = moreKeySpec.indexOf(LABEL_END, PREFIX_ICON.length() + 1); 1729d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final String iconId = moreKeySpec.substring(PREFIX_ICON.length(), end); 173c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka try { 174c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka return Integer.valueOf(iconId); 175c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka } catch (NumberFormatException e) { 176c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka Log.w(TAG, "illegal icon id specified: " + iconId); 177c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka return KeyboardIconsSet.ICON_UNDEFINED; 178c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka } 1799b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 180c2a21786e526cc32e48a577a55b1b7e72ae1a6ddTadashi G. Takaoka return KeyboardIconsSet.ICON_UNDEFINED; 1819b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1829b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1839b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka private static int getResourceId(Resources res, String name) { 1849b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka String packageName = res.getResourcePackageName(R.string.english_ime_name); 1859b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka int resId = res.getIdentifier(name, null, packageName); 18623bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka if (resId == 0) { 1879d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka throw new MoreKeySpecParserError("Unknown resource: " + name); 18823bacdb6a58cf22535aea8d22d3b6e14ea23667eTadashi G. Takaoka } 1899b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka return resId; 1909b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1919b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka 1929b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka @SuppressWarnings("serial") 1939d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka public static class MoreKeySpecParserError extends RuntimeException { 1949d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka public MoreKeySpecParserError(String message) { 1959b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka super(message); 1969b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1979b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka } 1982fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka 1992fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public interface CodeFilter { 2002fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public boolean shouldFilterOut(int code); 2012fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2022fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka 2032fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public static final CodeFilter DIGIT_FILTER = new CodeFilter() { 2042fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka @Override 2052fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka public boolean shouldFilterOut(int code) { 2062fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return Character.isDigit(code); 2072fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2082fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka }; 2092fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka 2109d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka public static CharSequence[] filterOut(Resources res, CharSequence[] moreKeys, 2112fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka CodeFilter filter) { 2129d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka if (moreKeys == null || moreKeys.length < 1) { 2132fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return null; 2142fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2159d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka if (moreKeys.length == 1 2169d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka && filter.shouldFilterOut(getCode(res, moreKeys[0].toString()))) { 2172fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return null; 2182fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2192fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka ArrayList<CharSequence> filtered = null; 2209d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka for (int i = 0; i < moreKeys.length; i++) { 2219d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka final CharSequence moreKeySpec = moreKeys[i]; 2229d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka if (filter.shouldFilterOut(getCode(res, moreKeySpec.toString()))) { 2232fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka if (filtered == null) { 2242fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka filtered = new ArrayList<CharSequence>(); 2252fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka for (int j = 0; j < i; j++) { 2269d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka filtered.add(moreKeys[j]); 2272fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2282fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2292fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } else if (filtered != null) { 2309d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka filtered.add(moreKeySpec); 2312fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2322fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2332fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka if (filtered == null) { 2349d5601e9013c5ec9a7ac75db16f4a0a8218b02bfTadashi G. Takaoka return moreKeys; 2352fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2362fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka if (filtered.size() == 0) { 2372fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return null; 2382fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2392fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka return filtered.toArray(new CharSequence[filtered.size()]); 2402fe68b9616ebdeb24daf043fbc590ea6a11f10a0Tadashi G. Takaoka } 2419b6d1d52d91f8f18952ae3841f4bb0d7309bfc0eTadashi G. Takaoka} 242