src/com/hughes/android/dictionary/engine/Language.java

   1 // Copyright 2011 Google Inc. All Rights Reserved.\r
   2 //\r
   3 // Licensed under the Apache License, Version 2.0 (the "License");\r
   4 // you may not use this file except in compliance with the License.\r
   5 // You may obtain a copy of the License at\r
   6 //\r
   7 //     http://www.apache.org/licenses/LICENSE-2.0\r
   8 //\r
   9 // Unless required by applicable law or agreed to in writing, software\r
  10 // distributed under the License is distributed on an "AS IS" BASIS,\r
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  12 // See the License for the specific language governing permissions and\r
  13 // limitations under the License.\r
  14 \r
  15 package com.hughes.android.dictionary.engine;\r
  16 \r
  17 import com.hughes.android.dictionary.R;\r
  18 import com.ibm.icu.text.Collator;\r
  19 \r
  20 import java.util.ArrayList;\r
  21 import java.util.LinkedHashMap;\r
  22 import java.util.Locale;\r
  23 import java.util.Map;\r
  24 import java.util.regex.Pattern;\r
  25 \r
  26 public class Language {\r
  27 \r
  28     public static final class LanguageResources {\r
  29         public final String englishName;\r
  30         public final int nameId;\r
  31         public final int flagId;\r
  32 \r
  33         private LanguageResources(final String englishName, int nameId, int flagId) {\r
  34             this.englishName = englishName;\r
  35             this.nameId = nameId;\r
  36             this.flagId = flagId;\r
  37         }\r
  38 \r
  39         private LanguageResources(final String englishName, int nameId) {\r
  40             this(englishName, nameId, 0);\r
  41         }\r
  42     }\r
  43 \r
  44     // Useful:\r
  45     // http://www.loc.gov/standards/iso639-2/php/code_list.php\r
  46     public static final Map<String, LanguageResources> isoCodeToResources = new LinkedHashMap<String, LanguageResources>();\r
  47     static {\r
  48         isoCodeToResources.put("AF", new LanguageResources("Afrikaans", R.string.AF,\r
  49                 R.drawable.flag_of_south_africa));\r
  50         isoCodeToResources.put("SQ", new LanguageResources("Albanian", R.string.SQ,\r
  51                 R.drawable.flag_of_albania));\r
  52         isoCodeToResources.put("AR",\r
  53                 new LanguageResources("Arabic", R.string.AR, R.drawable.arabic));\r
  54         isoCodeToResources.put("HY", new LanguageResources("Armenian", R.string.HY,\r
  55                 R.drawable.flag_of_armenia));\r
  56         isoCodeToResources.put("BE", new LanguageResources("Belarusian", R.string.BE,\r
  57                 R.drawable.flag_of_belarus));\r
  58         isoCodeToResources.put("BN", new LanguageResources("Bengali", R.string.BN));\r
  59         isoCodeToResources.put("BS", new LanguageResources("Bosnian", R.string.BS,\r
  60                 R.drawable.flag_of_bosnia_and_herzegovina));\r
  61         isoCodeToResources.put("BG", new LanguageResources("Bulgarian", R.string.BG,\r
  62                 R.drawable.flag_of_bulgaria));\r
  63         isoCodeToResources.put("MY", new LanguageResources("Burmese", R.string.MY,\r
  64                 R.drawable.flag_of_myanmar));\r
  65         isoCodeToResources.put("ZH", new LanguageResources("Chinese", R.string.ZH,\r
  66                 R.drawable.flag_of_the_peoples_republic_of_china));\r
  67         isoCodeToResources.put("cmn", new LanguageResources("Mandarin", R.string.cmn,\r
  68                 R.drawable.flag_of_the_peoples_republic_of_china));\r
  69         isoCodeToResources.put("yue", new LanguageResources("Cantonese", R.string.yue,\r
  70                 R.drawable.flag_of_hong_kong));\r
  71         isoCodeToResources.put("CA", new LanguageResources("Catalan", R.string.CA));\r
  72         isoCodeToResources.put("HR", new LanguageResources("Croatian", R.string.HR,\r
  73                 R.drawable.flag_of_croatia));\r
  74         isoCodeToResources.put("CS", new LanguageResources("Czech", R.string.CS,\r
  75                 R.drawable.flag_of_the_czech_republic));\r
  76         isoCodeToResources.put("DA", new LanguageResources("Danish", R.string.DA,\r
  77                 R.drawable.flag_of_denmark));\r
  78         isoCodeToResources.put("NL", new LanguageResources("Dutch", R.string.NL,\r
  79                 R.drawable.flag_of_the_netherlands));\r
  80         isoCodeToResources.put("EN", new LanguageResources("English", R.string.EN,\r
  81                 R.drawable.flag_of_the_united_kingdom));\r
  82         isoCodeToResources.put("EO", new LanguageResources("Esperanto", R.string.EO,\r
  83                 R.drawable.flag_of_esperanto));\r
  84         isoCodeToResources.put("ET", new LanguageResources("Estonian", R.string.ET,\r
  85                 R.drawable.flag_of_estonia));\r
  86         isoCodeToResources.put("FI", new LanguageResources("Finnish", R.string.FI,\r
  87                 R.drawable.flag_of_finland));\r
  88         isoCodeToResources.put("FR", new LanguageResources("French", R.string.FR,\r
  89                 R.drawable.flag_of_france));\r
  90         isoCodeToResources.put("DE", new LanguageResources("German", R.string.DE,\r
  91                 R.drawable.flag_of_germany));\r
  92         isoCodeToResources.put("EL", new LanguageResources("Greek", R.string.EL,\r
  93                 R.drawable.flag_of_greece));\r
  94         isoCodeToResources.put("grc", new LanguageResources("Ancient Greek", R.string.grc));\r
  95         isoCodeToResources.put("haw", new LanguageResources("Hawaiian", R.string.haw,\r
  96                 R.drawable.flag_of_hawaii));\r
  97         isoCodeToResources.put("HE", new LanguageResources("Hebrew", R.string.HE,\r
  98                 R.drawable.flag_of_israel));\r
  99         isoCodeToResources.put("HI", new LanguageResources("Hindi", R.string.HI, R.drawable.hindi));\r
 100         isoCodeToResources.put("HU", new LanguageResources("Hungarian", R.string.HU,\r
 101                 R.drawable.flag_of_hungary));\r
 102         isoCodeToResources.put("IS", new LanguageResources("Icelandic", R.string.IS,\r
 103                 R.drawable.flag_of_iceland));\r
 104         isoCodeToResources.put("ID", new LanguageResources("Indonesian", R.string.ID,\r
 105                 R.drawable.flag_of_indonesia));\r
 106         isoCodeToResources.put("GA", new LanguageResources("Irish", R.string.GA,\r
 107                 R.drawable.flag_of_ireland));\r
 108         isoCodeToResources.put("GD", new LanguageResources("Scottish Gaelic", R.string.GD,\r
 109                 R.drawable.flag_of_scotland));\r
 110         isoCodeToResources.put("GV", new LanguageResources("Manx", R.string.GV,\r
 111                 R.drawable.flag_of_the_isle_of_man));\r
 112         isoCodeToResources.put("IT", new LanguageResources("Italian", R.string.IT,\r
 113                 R.drawable.flag_of_italy));\r
 114         isoCodeToResources.put("LA", new LanguageResources("Latin", R.string.LA));\r
 115         isoCodeToResources.put("LV", new LanguageResources("Latvian", R.string.LV,\r
 116                 R.drawable.flag_of_latvia));\r
 117         isoCodeToResources.put("LT", new LanguageResources("Lithuanian", R.string.LT,\r
 118                 R.drawable.flag_of_lithuania));\r
 119         isoCodeToResources.put("JA", new LanguageResources("Japanese", R.string.JA,\r
 120                 R.drawable.flag_of_japan));\r
 121         isoCodeToResources.put("KO", new LanguageResources("Korean", R.string.KO,\r
 122                 R.drawable.flag_of_south_korea));\r
 123         isoCodeToResources.put("KU", new LanguageResources("Kurdish", R.string.KU));\r
 124         isoCodeToResources.put("MS", new LanguageResources("Malay", R.string.MS,\r
 125                 R.drawable.flag_of_malaysia));\r
 126         isoCodeToResources.put("MI", new LanguageResources("Maori", R.string.MI,\r
 127                 R.drawable.flag_of_new_zealand));\r
 128         isoCodeToResources.put("MN", new LanguageResources("Mongolian", R.string.MN,\r
 129                 R.drawable.flag_of_mongolia));\r
 130         isoCodeToResources.put("NE", new LanguageResources("Nepali", R.string.NE,\r
 131                 R.drawable.flag_of_nepal));\r
 132         isoCodeToResources.put("NO", new LanguageResources("Norwegian", R.string.NO,\r
 133                 R.drawable.flag_of_norway));\r
 134         isoCodeToResources.put("FA", new LanguageResources("Persian", R.string.FA,\r
 135                 R.drawable.flag_of_iran));\r
 136         isoCodeToResources.put("PL", new LanguageResources("Polish", R.string.PL,\r
 137                 R.drawable.flag_of_poland));\r
 138         isoCodeToResources.put("PT", new LanguageResources("Portuguese", R.string.PT,\r
 139                 R.drawable.flag_of_portugal));\r
 140         isoCodeToResources.put("PA", new LanguageResources("Punjabi", R.string.PA));\r
 141         isoCodeToResources.put("RO", new LanguageResources("Romanian", R.string.RO,\r
 142                 R.drawable.flag_of_romania));\r
 143         isoCodeToResources.put("RU", new LanguageResources("Russian", R.string.RU,\r
 144                 R.drawable.flag_of_russia));\r
 145         isoCodeToResources.put("SA", new LanguageResources("Sanskrit", R.string.SA));\r
 146         isoCodeToResources.put("SR", new LanguageResources("Serbian", R.string.SR,\r
 147                 R.drawable.flag_of_serbia));\r
 148         isoCodeToResources.put("SK", new LanguageResources("Slovak", R.string.SK,\r
 149                 R.drawable.flag_of_slovakia));\r
 150         isoCodeToResources.put("SL", new LanguageResources("Slovenian", R.string.SL,\r
 151                 R.drawable.flag_of_slovenia));\r
 152         isoCodeToResources.put("SO", new LanguageResources("Somali", R.string.SO,\r
 153                 R.drawable.flag_of_somalia));\r
 154         isoCodeToResources.put("ES", new LanguageResources("Spanish", R.string.ES,\r
 155                 R.drawable.flag_of_spain));\r
 156         isoCodeToResources.put("SW", new LanguageResources("Swahili", R.string.SW));\r
 157         isoCodeToResources.put("SV", new LanguageResources("Swedish", R.string.SV,\r
 158                 R.drawable.flag_of_sweden));\r
 159         isoCodeToResources.put("TL", new LanguageResources("Tagalog", R.string.TL));\r
 160         isoCodeToResources.put("TG", new LanguageResources("Tajik", R.string.TG,\r
 161                 R.drawable.flag_of_tajikistan));\r
 162         isoCodeToResources.put("TH", new LanguageResources("Thai", R.string.TH,\r
 163                 R.drawable.flag_of_thailand));\r
 164         isoCodeToResources.put("BO", new LanguageResources("Tibetan", R.string.BO));\r
 165         isoCodeToResources.put("TR", new LanguageResources("Turkish", R.string.TR,\r
 166                 R.drawable.flag_of_turkey));\r
 167         isoCodeToResources.put("UK", new LanguageResources("Ukrainian", R.string.UK,\r
 168                 R.drawable.flag_of_ukraine));\r
 169         isoCodeToResources.put("UR", new LanguageResources("Urdu", R.string.UR));\r
 170         isoCodeToResources.put("VI", new LanguageResources("Vietnamese", R.string.VI,\r
 171                 R.drawable.flag_of_vietnam));\r
 172         isoCodeToResources.put("CI", new LanguageResources("Welsh", R.string.CI,\r
 173                 R.drawable.flag_of_wales_2));\r
 174         isoCodeToResources.put("YI", new LanguageResources("Yiddish", R.string.YI));\r
 175         isoCodeToResources.put("ZU", new LanguageResources("Zulu", R.string.ZU));\r
 176         isoCodeToResources.put("AZ", new LanguageResources("Azeri", R.string.AZ,\r
 177                 R.drawable.flag_of_azerbaijan));\r
 178         isoCodeToResources.put("EU", new LanguageResources("Basque", R.string.EU,\r
 179                 R.drawable.flag_of_the_basque_country));\r
 180         isoCodeToResources.put("BR", new LanguageResources("Breton", R.string.BR));\r
 181         isoCodeToResources.put("MR", new LanguageResources("Marathi", R.string.MR));\r
 182         isoCodeToResources.put("FO", new LanguageResources("Faroese", R.string.FO));\r
 183         isoCodeToResources.put("GL", new LanguageResources("Galician", R.string.GL,\r
 184                 R.drawable.flag_of_galicia));\r
 185         isoCodeToResources.put("KA", new LanguageResources("Georgian", R.string.KA,\r
 186                 R.drawable.flag_of_georgia));\r
 187         isoCodeToResources.put("HT", new LanguageResources("Haitian Creole", R.string.HT,\r
 188                 R.drawable.flag_of_haiti));\r
 189         isoCodeToResources.put("LB", new LanguageResources("Luxembourgish", R.string.LB,\r
 190                 R.drawable.flag_of_luxembourg));\r
 191         isoCodeToResources.put("MK", new LanguageResources("Macedonian", R.string.MK,\r
 192                 R.drawable.flag_of_macedonia));\r
 193         isoCodeToResources.put("LO", new LanguageResources("Lao", R.string.LO,\r
 194                 R.drawable.flag_of_laos));\r
 195         isoCodeToResources.put("ML", new LanguageResources("Malayalam", R.string.ML));\r
 196         isoCodeToResources.put("SL", new LanguageResources("Slovenian", R.string.SL,\r
 197                 R.drawable.flag_of_slovenia));\r
 198         isoCodeToResources.put("TA", new LanguageResources("Tamil", R.string.TA));\r
 199         isoCodeToResources.put("SH", new LanguageResources("Serbo-Croatian", R.string.SH));\r
 200         isoCodeToResources.put("SD", new LanguageResources("Sindhi", R.string.SD, R.drawable.flag_of_sindhi));\r
 201 \r
 202         // Hack to allow lower-case ISO codes to work:\r
 203         for (final String isoCode : new ArrayList<String>(isoCodeToResources.keySet())) {\r
 204             isoCodeToResources.put(isoCode.toLowerCase(), isoCodeToResources.get(isoCode));\r
 205         }\r
 206 \r
 207     }\r
 208 \r
 209     private static final Map<String, Language> registry = new LinkedHashMap<String, Language>();\r
 210 \r
 211     final String isoCode;\r
 212     final Locale locale;\r
 213 \r
 214     private Collator collator;\r
 215 \r
 216     private Language(final Locale locale, final String isoCode) {\r
 217         this.locale = locale;\r
 218         this.isoCode = isoCode;\r
 219 \r
 220         registry.put(isoCode.toLowerCase(), this);\r
 221     }\r
 222 \r
 223     @Override\r
 224     public String toString() {\r
 225         return locale.toString();\r
 226     }\r
 227 \r
 228     public String getIsoCode() {\r
 229         return isoCode;\r
 230     }\r
 231 \r
 232     public synchronized Collator getCollator() {\r
 233         // Don't think this is thread-safe...\r
 234         // if (collator == null) {\r
 235         this.collator = Collator.getInstance(locale);\r
 236         this.collator.setStrength(Collator.IDENTICAL);\r
 237         // }\r
 238         return collator;\r
 239     }\r
 240 \r
 241     public String getDefaultNormalizerRules() {\r
 242         return ":: Any-Latin; ' ' > ; :: Lower; :: NFD; :: [:Nonspacing Mark:] Remove; :: NFC ;";\r
 243     }\r
 244 \r
 245     /**\r
 246      * A practical pattern to identify strong RTL characters. This pattern is\r
 247      * not completely correct according to the Unicode standard. It is\r
 248      * simplified for performance and small code size.\r
 249      */\r
 250     private static final String rtlChars =\r
 251             "\u0591-\u07FF\uFB1D-\uFDFD\uFE70-\uFEFC";\r
 252 \r
 253     private static final String puncChars =\r
 254             "\\[\\]\\(\\)\\{\\}\\=";\r
 255 \r
 256     private static final Pattern RTL_LEFT_BOUNDARY = Pattern.compile("([" + puncChars + "])(["\r
 257             + rtlChars + "])");\r
 258     private static final Pattern RTL_RIGHT_BOUNDARY = Pattern.compile("([" + rtlChars + "])(["\r
 259             + puncChars + "])");\r
 260 \r
 261     public static String fixBidiText(String text) {\r
 262         // text = RTL_LEFT_BOUNDARY.matcher(text).replaceAll("$1\u200e $2");\r
 263         // text = RTL_RIGHT_BOUNDARY.matcher(text).replaceAll("$1 \u200e$2");\r
 264         return text;\r
 265     }\r
 266 \r
 267     // ----------------------------------------------------------------\r
 268 \r
 269     public static final Language en = new Language(Locale.ENGLISH, "EN");\r
 270     public static final Language fr = new Language(Locale.FRENCH, "FR");\r
 271     public static final Language it = new Language(Locale.ITALIAN, "IT");\r
 272 \r
 273     public static final Language de = new Language(Locale.GERMAN, "DE") {\r
 274         @Override\r
 275         public String getDefaultNormalizerRules() {\r
 276             return ":: Lower; 'ae' > 'ä'; 'oe' > 'ö'; 'ue' > 'ü'; 'ß' > 'ss'; ";\r
 277         }\r
 278     };\r
 279 \r
 280     // ----------------------------------------------------------------\r
 281 \r
 282     public static synchronized Language lookup(final String isoCode) {\r
 283         Language lang = registry.get(isoCode.toLowerCase());\r
 284         if (lang == null) {\r
 285             lang = new Language(new Locale(isoCode), isoCode);\r
 286         }\r
 287         return lang;\r
 288     }\r
 289 \r
 290 }\r