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-rw-r--r--contrib/google-ced/util/languages/languages.cc349
-rw-r--r--contrib/google-ced/util/languages/languages.h381
-rw-r--r--contrib/google-ced/util/languages/languages.pb.h191
3 files changed, 921 insertions, 0 deletions
diff --git a/contrib/google-ced/util/languages/languages.cc b/contrib/google-ced/util/languages/languages.cc
new file mode 100644
index 0000000..852351f
--- /dev/null
+++ b/contrib/google-ced/util/languages/languages.cc
@@ -0,0 +1,349 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed 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.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include "util/languages/languages.h"
+
+#include "util/basictypes.h"
+#include "util/string_util.h"
+
+
+Language default_language() {return ENGLISH;}
+
+
+// Language names and codes
+
+struct LanguageInfo {
+ const char * language_name_;
+ const char * language_code_639_1_; // the ISO-639-1 code for the language
+ const char * language_code_639_2_; // the ISO-639-2 code for the language
+ const char * language_code_other_; // some nonstandard code for the language
+};
+
+static const LanguageInfo kLanguageInfoTable[] = {
+ { "ENGLISH", "en", "eng", NULL},
+ { "DANISH", "da", "dan", NULL},
+ { "DUTCH", "nl", "dut", NULL},
+ { "FINNISH", "fi", "fin", NULL},
+ { "FRENCH", "fr", "fre", NULL},
+ { "GERMAN", "de", "ger", NULL},
+ { "HEBREW", "he", "heb", NULL},
+ { "ITALIAN", "it", "ita", NULL},
+ { "Japanese", "ja", "jpn", NULL},
+ { "Korean", "ko", "kor", NULL},
+ { "NORWEGIAN", "nb", "nor", NULL},
+ { "POLISH", "pl", "pol", NULL},
+ { "PORTUGUESE", "pt", "por", NULL},
+ { "RUSSIAN", "ru", "rus", NULL},
+ { "SPANISH", "es", "spa", NULL},
+ { "SWEDISH", "sv", "swe", NULL},
+ { "Chinese", "zh", "chi", "zh-CN"},
+ { "CZECH", "cs", "cze", NULL},
+ { "GREEK", "el", "gre", NULL},
+ { "ICELANDIC", "is", "ice", NULL},
+ { "LATVIAN", "lv", "lav", NULL},
+ { "LITHUANIAN", "lt", "lit", NULL},
+ { "ROMANIAN", "ro", "rum", NULL},
+ { "HUNGARIAN", "hu", "hun", NULL},
+ { "ESTONIAN", "et", "est", NULL},
+ // TODO: Although Teragram has two output names "TG_UNKNOWN_LANGUAGE"
+ // and "Unknown", they are essentially the same. Need to unify them.
+ // "un" and "ut" are invented by us, not from ISO-639.
+ //
+ { "TG_UNKNOWN_LANGUAGE", NULL, NULL, "ut"},
+ { "Unknown", NULL, NULL, "un"},
+ { "BULGARIAN", "bg", "bul", NULL},
+ { "CROATIAN", "hr", "scr", NULL},
+ { "SERBIAN", "sr", "scc", NULL},
+ { "IRISH", "ga", "gle", NULL},
+ { "GALICIAN", "gl", "glg", NULL},
+ // Impossible to tell Tagalog from Filipino at the moment.
+ // Use ISO 639-2 code for Filipino here.
+ { "TAGALOG", NULL, "fil", NULL},
+ { "TURKISH", "tr", "tur", NULL},
+ { "UKRAINIAN", "uk", "ukr", NULL},
+ { "HINDI", "hi", "hin", NULL},
+ { "MACEDONIAN", "mk", "mac", NULL},
+ { "BENGALI", "bn", "ben", NULL},
+ { "INDONESIAN", "id", "ind", NULL},
+ { "LATIN", "la", "lat", NULL},
+ { "MALAY", "ms", "may", NULL},
+ { "MALAYALAM", "ml", "mal", NULL},
+ { "WELSH", "cy", "wel", NULL},
+ { "NEPALI", "ne", "nep", NULL},
+ { "TELUGU", "te", "tel", NULL},
+ { "ALBANIAN", "sq", "alb", NULL},
+ { "TAMIL", "ta", "tam", NULL},
+ { "BELARUSIAN", "be", "bel", NULL},
+ { "JAVANESE", "jw", "jav", NULL},
+ { "OCCITAN", "oc", "oci", NULL},
+ { "URDU", "ur", "urd", NULL},
+ { "BIHARI", "bh", "bih", NULL},
+ { "GUJARATI", "gu", "guj", NULL},
+ { "THAI", "th", "tha", NULL},
+ { "ARABIC", "ar", "ara", NULL},
+ { "CATALAN", "ca", "cat", NULL},
+ { "ESPERANTO", "eo", "epo", NULL},
+ { "BASQUE", "eu", "baq", NULL},
+ { "INTERLINGUA", "ia", "ina", NULL},
+ { "KANNADA", "kn", "kan", NULL},
+ { "PUNJABI", "pa", "pan", NULL},
+ { "SCOTS_GAELIC", "gd", "gla", NULL},
+ { "SWAHILI", "sw", "swa", NULL},
+ { "SLOVENIAN", "sl", "slv", NULL},
+ { "MARATHI", "mr", "mar", NULL},
+ { "MALTESE", "mt", "mlt", NULL},
+ { "VIETNAMESE", "vi", "vie", NULL},
+ { "FRISIAN", "fy", "fry", NULL},
+ { "SLOVAK", "sk", "slo", NULL},
+ { "ChineseT",
+ NULL, NULL, // We intentionally set these 2 fields to NULL to avoid
+ // confusion between CHINESE_T and CHINESE.
+ "zh-TW"},
+ { "FAROESE", "fo", "fao", NULL},
+ { "SUNDANESE", "su", "sun", NULL},
+ { "UZBEK", "uz", "uzb", NULL},
+ { "AMHARIC", "am", "amh", NULL},
+ { "AZERBAIJANI", "az", "aze", NULL},
+ { "GEORGIAN", "ka", "geo", NULL},
+ { "TIGRINYA", "ti", "tir", NULL},
+ { "PERSIAN", "fa", "per", NULL},
+ { "BOSNIAN", "bs", "bos", NULL},
+ { "SINHALESE", "si", "sin", NULL},
+ { "NORWEGIAN_N", "nn", "nno", NULL},
+ { "PORTUGUESE_P", NULL, NULL, "pt-PT"},
+ { "PORTUGUESE_B", NULL, NULL, "pt-BR"},
+ { "XHOSA", "xh", "xho", NULL},
+ { "ZULU", "zu", "zul", NULL},
+ { "GUARANI", "gn", "grn", NULL},
+ { "SESOTHO", "st", "sot", NULL},
+ { "TURKMEN", "tk", "tuk", NULL},
+ { "KYRGYZ", "ky", "kir", NULL},
+ { "BRETON", "br", "bre", NULL},
+ { "TWI", "tw", "twi", NULL},
+ { "YIDDISH", "yi", "yid", NULL},
+ { "SERBO_CROATIAN", "sh", NULL, NULL},
+ { "SOMALI", "so", "som", NULL},
+ { "UIGHUR", "ug", "uig", NULL},
+ { "KURDISH", "ku", "kur", NULL},
+ { "MONGOLIAN", "mn", "mon", NULL},
+ { "ARMENIAN", "hy", "arm", NULL},
+ { "LAOTHIAN", "lo", "lao", NULL},
+ { "SINDHI", "sd", "snd", NULL},
+ { "RHAETO_ROMANCE", "rm", "roh", NULL},
+ { "AFRIKAANS", "af", "afr", NULL},
+ { "LUXEMBOURGISH", "lb", "ltz", NULL},
+ { "BURMESE", "my", "bur", NULL},
+ // KHMER is known as Cambodian for Google user interfaces.
+ { "KHMER", "km", "khm", NULL},
+ { "TIBETAN", "bo", "tib", NULL},
+ { "DHIVEHI", "dv", "div", NULL},
+ { "CHEROKEE", NULL, "chr", NULL},
+ { "SYRIAC", NULL, "syr", NULL},
+ { "LIMBU", NULL, NULL, "sit-NP"},
+ { "ORIYA", "or", "ori", NULL},
+ { "ASSAMESE", "as", "asm", NULL},
+ { "CORSICAN", "co", "cos", NULL},
+ { "INTERLINGUE", "ie", "ine", NULL},
+ { "KAZAKH", "kk", "kaz", NULL},
+ { "LINGALA", "ln", "lin", NULL},
+ { "MOLDAVIAN", "mo", "mol", NULL},
+ { "PASHTO", "ps", "pus", NULL},
+ { "QUECHUA", "qu", "que", NULL},
+ { "SHONA", "sn", "sna", NULL},
+ { "TAJIK", "tg", "tgk", NULL},
+ { "TATAR", "tt", "tat", NULL},
+ { "TONGA", "to", "tog", NULL},
+ { "YORUBA", "yo", "yor", NULL},
+ { "CREOLES_AND_PIDGINS_ENGLISH_BASED", NULL, "cpe", NULL},
+ { "CREOLES_AND_PIDGINS_FRENCH_BASED", NULL, "cpf", NULL},
+ { "CREOLES_AND_PIDGINS_PORTUGUESE_BASED", NULL, "cpp", NULL},
+ { "CREOLES_AND_PIDGINS_OTHER", NULL, "crp", NULL},
+ { "MAORI", "mi", "mao", NULL},
+ { "WOLOF", "wo", "wol", NULL},
+ { "ABKHAZIAN", "ab", "abk", NULL},
+ { "AFAR", "aa", "aar", NULL},
+ { "AYMARA", "ay", "aym", NULL},
+ { "BASHKIR", "ba", "bak", NULL},
+ { "BISLAMA", "bi", "bis", NULL},
+ { "DZONGKHA", "dz", "dzo", NULL},
+ { "FIJIAN", "fj", "fij", NULL},
+ { "GREENLANDIC", "kl", "kal", NULL},
+ { "HAUSA", "ha", "hau", NULL},
+ { "HAITIAN_CREOLE", "ht", NULL, NULL},
+ { "INUPIAK", "ik", "ipk", NULL},
+ { "INUKTITUT", "iu", "iku", NULL},
+ { "KASHMIRI", "ks", "kas", NULL},
+ { "KINYARWANDA", "rw", "kin", NULL},
+ { "MALAGASY", "mg", "mlg", NULL},
+ { "NAURU", "na", "nau", NULL},
+ { "OROMO", "om", "orm", NULL},
+ { "RUNDI", "rn", "run", NULL},
+ { "SAMOAN", "sm", "smo", NULL},
+ { "SANGO", "sg", "sag", NULL},
+ { "SANSKRIT", "sa", "san", NULL},
+ { "SISWANT", "ss", "ssw", NULL},
+ { "TSONGA", "ts", "tso", NULL},
+ { "TSWANA", "tn", "tsn", NULL},
+ { "VOLAPUK", "vo", "vol", NULL},
+ { "ZHUANG", "za", "zha", NULL},
+ { "KHASI", NULL, "kha", NULL},
+ { "SCOTS", NULL, "sco", NULL},
+ { "GANDA", "lg", "lug", NULL},
+ { "MANX", "gv", "glv", NULL},
+ { "MONTENEGRIN", NULL, NULL, "sr-ME"},
+ { "XX", NULL, NULL, "XX"},
+};
+
+COMPILE_ASSERT(arraysize(kLanguageInfoTable) == NUM_LANGUAGES + 1,
+ kLanguageInfoTable_has_incorrect_length);
+
+
+// LANGUAGE NAMES
+
+const char* default_language_name() {
+ return kLanguageInfoTable[ENGLISH].language_name_;
+}
+
+static const char* const kInvalidLanguageName = "invalid_language";
+
+const char *invalid_language_name() {
+ return kInvalidLanguageName;
+}
+
+const char* LanguageName(Language lang) {
+ return IsValidLanguage(lang)
+ ? kLanguageInfoTable[lang].language_name_
+ : kInvalidLanguageName;
+}
+
+
+
+// LANGUAGE CODES
+
+
+// The space before invalid_language_code is intentional. It is used
+// to prevent it matching any two letter language code.
+//
+static const char* const kInvalidLanguageCode = " invalid_language_code";
+
+const char *invalid_language_code() {
+ return kInvalidLanguageCode;
+}
+
+const char * LanguageCode(Language lang) {
+ if (! IsValidLanguage(lang))
+ return kInvalidLanguageCode;
+ const LanguageInfo& info = kLanguageInfoTable[lang];
+ if (info.language_code_639_1_) {
+ return info.language_code_639_1_;
+ } else if (info.language_code_639_2_) {
+ return info.language_code_639_2_;
+ } else if (info.language_code_other_) {
+ return info.language_code_other_;
+ } else {
+ return kInvalidLanguageCode;
+ }
+}
+
+const char* default_language_code() {
+ return kLanguageInfoTable[ENGLISH].language_code_639_1_;
+}
+
+const char* LanguageCodeISO639_1(Language lang) {
+ if (! IsValidLanguage(lang))
+ return kInvalidLanguageCode;
+ if (const char* code = kLanguageInfoTable[lang].language_code_639_1_)
+ return code;
+ return kInvalidLanguageCode;
+}
+
+const char* LanguageCodeISO639_2(Language lang) {
+ if (! IsValidLanguage(lang))
+ return kInvalidLanguageCode;
+ if (const char* code = kLanguageInfoTable[lang].language_code_639_2_)
+ return code;
+ return kInvalidLanguageCode;
+}
+
+const char* LanguageCodeWithDialects(Language lang) {
+ if (lang == CHINESE)
+ return "zh-CN";
+ return LanguageCode(lang);
+}
+
+
+
+bool LanguageFromCode(const char* lang_code, Language *language) {
+ *language = UNKNOWN_LANGUAGE;
+ if ( lang_code == NULL ) return false;
+
+ for ( int i = 0 ; i < kNumLanguages ; i++ ) {
+ const LanguageInfo& info = kLanguageInfoTable[i];
+ if ((info.language_code_639_1_ &&
+ !base::strcasecmp(lang_code, info.language_code_639_1_)) ||
+ (info.language_code_639_2_ &&
+ !base::strcasecmp(lang_code, info.language_code_639_2_)) ||
+ (info.language_code_other_ &&
+ !base::strcasecmp(lang_code, info.language_code_other_))) {
+ *language = static_cast<Language>(i);
+ return true;
+ }
+ }
+
+ // For convenience, this function can also parse the non-standard
+ // five-letter language codes "zh-cn" and "zh-tw" which are used by
+ // front-ends such as GWS to distinguish Simplified from Traditional
+ // Chinese.
+ if (!base::strcasecmp(lang_code, "zh-cn") ||
+ !base::strcasecmp(lang_code, "zh_cn")) {
+ *language = CHINESE;
+ return true;
+ }
+ if (!base::strcasecmp(lang_code, "zh-tw") ||
+ !base::strcasecmp(lang_code, "zh_tw")) {
+ *language = CHINESE_T;
+ return true;
+ }
+ if (!base::strcasecmp(lang_code, "sr-me") ||
+ !base::strcasecmp(lang_code, "sr_me")) {
+ *language = MONTENEGRIN;
+ return true;
+ }
+
+ // Process language-code synonyms.
+ if (!base::strcasecmp(lang_code, "he")) {
+ *language = HEBREW; // Use "iw".
+ return true;
+ }
+ if (!base::strcasecmp(lang_code, "in")) {
+ *language = INDONESIAN; // Use "id".
+ return true;
+ }
+ if (!base::strcasecmp(lang_code, "ji")) {
+ *language = YIDDISH; // Use "yi".
+ return true;
+ }
+
+ // Process language-detection synonyms.
+ // These distinct languages cannot be differentiated by our current
+ // language-detection algorithms.
+ if (!base::strcasecmp(lang_code, "fil")) {
+ *language = TAGALOG;
+ return true;
+ }
+
+ return false;
+}
diff --git a/contrib/google-ced/util/languages/languages.h b/contrib/google-ced/util/languages/languages.h
new file mode 100644
index 0000000..4237961
--- /dev/null
+++ b/contrib/google-ced/util/languages/languages.h
@@ -0,0 +1,381 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed 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.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef UTIL_LANGUAGES_LANGUAGES_H_
+#define UTIL_LANGUAGES_LANGUAGES_H_
+
+// This interface defines the Language enum and functions that depend
+// only on Language values.
+
+// A hash-function for Language, hash<Language>, is defined in
+// i18n/languages/public/languages-hash.h
+
+#ifndef SWIG
+// Language enum defined in languages.proto
+// Also description on how to add languages.
+#include "util/languages/languages.pb.h"
+
+#else
+
+// TODO: Include a header containing swig-compatible enum.
+
+#endif
+
+const int kNumLanguages = NUM_LANGUAGES;
+
+// Return the default language (ENGLISH).
+Language default_language();
+
+
+// *******************************************
+// Language predicates
+// IsValidLanguage()
+// IS_LANGUAGE_UNKNOWN()
+// IsCJKLanguage()
+// IsChineseLanguage()
+// IsNorwegianLanguage()
+// IsPortugueseLanguage()
+// IsRightToLeftLanguage()
+// IsMaybeRightToLeftLanguage()
+// IsSameLanguage()
+// IsScriptRequiringLongerSnippets()
+// *******************************************
+
+// IsValidLanguage
+// ===============
+//
+// Function to check if the input is within range of the Language enum. If
+// IsValidLanguage(lang) returns true, it is safe to call
+// static_cast<Language>(lang).
+//
+inline bool IsValidLanguage(int lang) {
+ return ((lang >= 0) && (lang < kNumLanguages));
+}
+
+// Return true if the language is "unknown". (This function was
+// previously a macro, hence the spelling in all caps.)
+//
+inline bool IS_LANGUAGE_UNKNOWN(Language lang) {
+ return lang == TG_UNKNOWN_LANGUAGE || lang == UNKNOWN_LANGUAGE;
+}
+
+// IsCJKLanguage
+// -------------
+//
+// This function returns true if the language is either Chinese
+// (simplified or traditional), Japanese, or Korean.
+bool IsCJKLanguage(Language lang);
+
+// IsChineseLanguage
+// -----------------
+//
+// This function returns true if the language is either Chinese
+// (simplified or traditional)
+bool IsChineseLanguage(Language lang);
+
+// IsNorwegianLanguage
+// --------------------
+//
+// This function returns true if the language is any of the Norwegian
+// (regular or Nynorsk).
+bool IsNorwegianLanguage(Language lang);
+
+// IsPortugueseLanguage
+// --------------------
+//
+// This function returns true if the language is any of the Portuguese
+// languages (regular, Portugal or Brazil)
+bool IsPortugueseLanguage(Language lang);
+
+// IsSameLanguage
+// --------------
+//
+// WARNING: This function provides only a simple test on the values of
+// the two Language arguments. It returns false if either language is
+// invalid. It returns true if the language arguments are equal, or
+// if they are both Chinese languages, both Norwegian languages, or
+// both Portuguese languages, as defined by IsChineseLanguage,
+// IsNorwegianLanguage, and IsPortugueseLanguage. Otherwise it returns
+// false.
+bool IsSameLanguage(Language lang1, Language lang2);
+
+
+// IsRightToLeftLanguage
+// ---------------------
+//
+// This function returns true if the language is only written right-to-left
+// (E.g., Hebrew, Arabic, Persian etc.)
+//
+// IMPORTANT NOTE: Technically we're talking about scripts, not languages.
+// There are languages that can be written in more than one script.
+// Examples:
+// - Kurdish and Azeri ('AZERBAIJANI') can be written left-to-right in
+// Latin or Cyrillic script, and right-to-left in Arabic script.
+// - Sindhi and Punjabi are written in different scripts, depending on
+// region and dialect.
+// - Turkmen used an Arabic script historically, but not any more.
+// - Pashto and Uyghur can use Arabic script, but use a Roman script
+// on the Internet.
+// - Kashmiri and Urdu are written either with Arabic or Devanagari script.
+//
+// This function only returns true for languages that are always, unequivocally
+// written in right-to-left script.
+//
+// TODO: If we want to do anything special with multi-script languages
+// we should create new 'languages' for each language+script, as we do for
+// traditional vs. simplified Chinese. However most such languages are rare in
+// use and even rarer on the web, so this is unlikely to be something we'll
+// be concerned with for a while.
+bool IsRightToLeftLanguage(Language lang);
+
+// IsMaybeRightToLeftLanguage
+// --------------------------
+//
+// This function returns true if the language may appear on the web in a
+// right-to-left script (E.g., Hebrew, Arabic, Persian, Urdu, Kurdish, etc.)
+//
+// NOTE: See important notes under IsRightToLeftLanguage(...).
+//
+// This function returns true for languages that *may* appear on the web in a
+// right-to-left script, even if they may also appear in a left-to-right
+// script.
+//
+// This function should typically be used in cases where doing some work on
+// left-to-right text would be OK (usually a no-op), and this function is used
+// just to cut down on unnecessary work on regular, LTR text.
+bool IsMaybeRightToLeftLanguage(Language lang);
+
+// IsScriptRequiringLongerSnippets
+// --------------------
+//
+// This function returns true if the script chracteristics require longer
+// snippet length (Devanagari, Bengali, Gurmukhi,
+// Gujarati, Oriya, Tamil, Telugu, Kannada, Malayalam).
+// COMMENTED OUT TO REDUCE DEPENDENCIES ON GOOGLE3 CODE
+// bool IsScriptRequiringLongerSnippets(UnicodeScript script);
+
+
+// *******************************************
+// LANGUAGE NAMES
+//
+// This interface defines a standard name for each valid Language,
+// and a standard name for invalid languages. Some language names use all
+// uppercase letters, but others use mixed case.
+// LanguageName() [Language to name]
+// LanguageEnumName() [language to enum name]
+// LanguageFromName() [name to Language]
+// default_language_name()
+// invalid_language_name()
+// *******************************************
+
+// Given a Language, returns its standard name.
+// Return invalid_language_name() if the language is invalid.
+const char* LanguageName(Language lang);
+
+// Given a Language, return the name of the enum constant for that
+// language. In all but a few cases, this is the same as its standard
+// name. For example, LanguageName(CHINESE) returns "Chinese", but
+// LanguageEnumName(CHINESE) returns "CHINESE". This is intended for
+// code that is generating C++ code, where the enum constant is more
+// useful than its integer value. Return "NUM_LANGUAGES" if
+// the language is invalid.
+const char* LanguageEnumName(Language lang);
+
+// The maximum length of a standard language name.
+const int kMaxLanguageNameSize = 50;
+
+// The standard name for the default language.
+const char* default_language_name();
+
+// The standard name for all invalid languages.
+const char* invalid_language_name();
+
+// If lang_name matches the standard name of a Language, using a
+// case-insensitive comparison, set *language to that Language and
+// return true.
+// Otherwise, set *language to UNKNOWN_LANGUAGE and return false.
+//
+// For backwards compatibility, "HATIAN_CREOLE" is allowed as a name
+// for HAITIAN_CREOLE, and "QUECHAU" is allowed as a name for QUECHUA.
+// For compatibility with LanguageEnumName, "UNKNOWN_LANGUAGE" is allowed
+// as a name for UNKNOWN_LANGUAGE (the return value is true in this case,
+// as it is for "Unknown"), and "CHINESE_T" is allowed as a name for
+// CHINESE_T (i.e., a synonym for "ChineseT").
+//
+// REQUIRES: language must not be NULL.
+//
+bool LanguageFromName(const char* lang_name, Language *language);
+
+
+
+// *******************************************
+// LANGUAGE CODES
+//
+// This interface defines a standard code for each valid language, and
+// a standard code for invalid languages. These are derived from ISO codes,
+// with some Google additions.
+// LanguageCode()
+// default_language_code()
+// invalid_language_code()
+// LanguageCodeWithDialects()
+// LanguageCodeISO639_1()
+// LanguageCodeISO639_2()
+// *******************************************
+
+// Given a Language, return its standard code. There are Google-specific codes:
+// For CHINESE_T, return "zh-TW".
+// For TG_UNKNOWN_LANGUAGE, return "ut".
+// For UNKNOWN_LANGUAGE, return "un".
+// For PORTUGUESE_P, return "pt-PT".
+// For PORTUGUESE_B, return "pt-BR".
+// For LIMBU, return "sit-NP".
+// For CHEROKEE, return "chr".
+// For SYRIAC, return "syr".
+// Otherwise return the ISO 639-1 two-letter language code for lang.
+// If lang is invalid, return invalid_language_code().
+//
+// NOTE: See the note below about the codes for Chinese languages.
+//
+const char* LanguageCode(Language lang);
+
+// The maximum length of a language code.
+const int kMaxLanguageCodeSize = 50;
+
+// The standard code for the default language.
+const char* default_language_code();
+
+// The standard code for all invalid languages.
+const char* invalid_language_code();
+
+
+// --------------------------------------------
+// NOTE: CHINESE LANGUAGE CODES
+//
+// There are three functions that return codes for Chinese languages.
+// LanguageCode(lang) and LanguageCodeWithDialects(lang) are defined here.
+// LanguageCode(lang, encoding) is defined in i18n/encodings.lang_enc.h.
+// The following list shows the different results.
+//
+// LanguageCode(CHINESE) returns "zh"
+// LanguageCode(CHINESE_T) returns "zh-TW".
+//
+// LanguageCodeWithDialects(CHINESE) returns "zh-CN".
+// LanguageCodeWithDialects(CHINESE_T) returns "zh-TW".
+//
+// LanguageCode(CHINESE_T, <any encoding>) returns "zh-TW".
+// LanguageCode(CHINESE, CHINESE_BIG5) returns "zh-TW".
+// LanguageCode(CHINESE, <any other encoding>) returns "zh-CN".
+//
+// --------------------------------------------
+
+// LanguageCodeWithDialects
+// ------------------------
+//
+// If lang is CHINESE, return "zh-CN". Otherwise return LanguageCode(lang).
+const char* LanguageCodeWithDialects(Language lang);
+
+// LanguageCodeISO639_1
+// --------------------
+//
+// Return the ISO 639-1 two-letter language code for lang.
+// Return invalid_language_code() if lang is invalid or does not have
+// an ISO 639-1 two-letter language code.
+const char* LanguageCodeISO639_1(Language lang);
+
+// LanguageCodeISO639_2
+// --------------------
+//
+// Return the ISO 639-2 three-letter language for lang.
+// Return invalid_language_code() if lang is invalid or does not have
+// an ISO 639-2 three-letter language code.
+const char* LanguageCodeISO639_2(Language lang);
+
+// LanguageFromCode
+// ----------------
+//
+// If lang_code matches the code for a Language, using a case-insensitive
+// comparison, set *lang to that Language and return true.
+// Otherwise, set *lang to UNKNOWN_LANGUAGE and return false.
+//
+// lang_code can be an ISO 639-1 (two-letter) code, an ISO 639-2
+// (three-letter) code, or a Google-specific code (see LanguageCode).
+//
+// Certain language-code aliases are also allowed:
+// For "zh-cn" and "zh_cn", set *lang to CHINESE.
+// For "zh-tw" and "zh_tw", set *lang to CHINESE_T.
+// For "he", set *lang to HEBREW.
+// For "in", set *lang to INDONESIAN.
+// For "ji", set *lang to YIDDISH.
+// For "fil", set *lang to TAGALOG.
+//
+// REQUIRES: 'lang' must not be NULL.
+bool LanguageFromCode(const char* lang_code, Language *language);
+
+
+// LanguageFromCodeOrName
+// ----------------------
+//
+// If lang_code_or_name is a language code or a language name.
+// set *language to the corresponding Language and return true.
+// Otherwise set *language to UNKNOWN_LANGUAGE and return false.
+//
+bool LanguageFromCodeOrName(const char* lang_code_or_name,
+ Language* language);
+
+// LanguageNameFromCode
+// --------------------
+//
+// If language_code is the code for a Language (see LanguageFromCode),
+// return the standard name of that language (see LanguageName).
+// Otherwise return invalid_language_name().
+//
+const char* LanguageNameFromCode(const char* language_code);
+
+
+// Miscellany
+
+// LanguageCodeToUnderscoreForm
+// ----------------------------
+//
+// Given a language code, convert the dash "-" to underscore "_".
+//
+// Specifically, if result_length <= strlen(lang_code), set result[0]
+// to '\0' and return false. Otherwise, copy lang_code to result,
+// converting every dash to an underscore, converting every character
+// before the first dash or underscore to lower case, and converting
+// every character after the first dash or underscore to upper
+// case. If there is no dash or underscore, convert the entire string
+// to lower case.
+//
+// REQUIRES: 'lang_code' must not be NULL. 'result' must not be NULL.
+
+bool LanguageCodeToUnderscoreForm(const char* lang_code,
+ char* result,
+ int result_length);
+
+//
+// AlwaysPutInExpectedRestrict
+// ---------------------------
+//
+// For Web pages in certain top-level domains, Web Search always
+// applies a "country restrict". If 'tld' matches one of those, using
+// a case-SENSITIVE comparison, set *expected_language to the Language
+// most commonly found in that top-level domain and return true.
+// Otherwise, set *expected_language to UNKNOWN_LANGUAGE and return false.
+bool AlwaysPutInExpectedRestrict(const char *tld, Language *expected_language);
+
+
+#endif // UTIL_LANGUAGES_LANGUAGES_H_
diff --git a/contrib/google-ced/util/languages/languages.pb.h b/contrib/google-ced/util/languages/languages.pb.h
new file mode 100644
index 0000000..84f1d6a
--- /dev/null
+++ b/contrib/google-ced/util/languages/languages.pb.h
@@ -0,0 +1,191 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed 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.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef UTIL_LANGUAGES_LANGUAGES_PB_H_
+#define UTIL_LANGUAGES_LANGUAGES_PB_H_
+
+enum Language {
+ ENGLISH = 0,
+ DANISH = 1,
+ DUTCH = 2,
+ FINNISH = 3,
+ FRENCH = 4,
+ GERMAN = 5,
+ HEBREW = 6,
+ ITALIAN = 7,
+ JAPANESE = 8,
+ KOREAN = 9,
+ NORWEGIAN = 10,
+ POLISH = 11,
+ PORTUGUESE = 12,
+ RUSSIAN = 13,
+ SPANISH = 14,
+ SWEDISH = 15,
+ CHINESE = 16,
+ CZECH = 17,
+ GREEK = 18,
+ ICELANDIC = 19,
+ LATVIAN = 20,
+ LITHUANIAN = 21,
+ ROMANIAN = 22,
+ HUNGARIAN = 23,
+ ESTONIAN = 24,
+ TG_UNKNOWN_LANGUAGE = 25,
+ UNKNOWN_LANGUAGE = 26,
+ BULGARIAN = 27,
+ CROATIAN = 28,
+ SERBIAN = 29,
+ IRISH = 30, // UI only.
+ GALICIAN = 31,
+ TAGALOG = 32, // Tagalog (tl) + Filipino (fil),
+ TURKISH = 33,
+ UKRAINIAN = 34,
+ HINDI = 35,
+ MACEDONIAN = 36,
+ BENGALI = 37,
+ INDONESIAN = 38,
+ LATIN = 39, // UI only.
+ MALAY = 40,
+ MALAYALAM = 41,
+ WELSH = 42, // UI only.
+ NEPALI = 43,
+ TELUGU = 44,
+ ALBANIAN = 45,
+ TAMIL = 46,
+ BELARUSIAN = 47,
+ JAVANESE = 48, // UI only.
+ OCCITAN = 49, // UI only.
+ URDU = 50,
+ BIHARI = 51,
+ GUJARATI = 52,
+ THAI = 53,
+ ARABIC = 54,
+ CATALAN = 55,
+ ESPERANTO = 56,
+ BASQUE = 57,
+ INTERLINGUA = 58, // UI only.
+ KANNADA = 59,
+ PUNJABI = 60,
+ SCOTS_GAELIC = 61, // UI only.
+ SWAHILI = 62,
+ SLOVENIAN = 63,
+ MARATHI = 64,
+ MALTESE = 65,
+ VIETNAMESE = 66,
+ FRISIAN = 67, // UI only.
+ SLOVAK = 68,
+ CHINESE_T = 69, // This is added to solve the problem of
+ // distinguishing Traditional and Simplified
+ // Chinese when the encoding is UTF8.
+ FAROESE = 70, // UI only.
+ SUNDANESE = 71, // UI only.
+ UZBEK = 72,
+ AMHARIC = 73,
+ AZERBAIJANI = 74,
+ GEORGIAN = 75,
+ TIGRINYA = 76, // UI only.
+ PERSIAN = 77,
+ BOSNIAN = 78, // UI only. LangId language: CROATIAN (28)
+ SINHALESE = 79,
+ NORWEGIAN_N = 80, // UI only. LangId language: NORWEGIAN (10)
+ PORTUGUESE_P = 81, // UI only. LangId language: PORTUGUESE (12)
+ PORTUGUESE_B = 82, // UI only. LangId language: PORTUGUESE (12)
+ XHOSA = 83, // UI only.
+ ZULU = 84, // UI only.
+ GUARANI = 85,
+ SESOTHO = 86, // UI only.
+ TURKMEN = 87, // UI only.
+ KYRGYZ = 88,
+ BRETON = 89, // UI only.
+ TWI = 90, // UI only.
+ YIDDISH = 91, // UI only.
+ SERBO_CROATIAN= 92, // UI only. LangId language: SERBIAN (29)
+ SOMALI = 93, // UI only.
+ UIGHUR = 94,
+ KURDISH = 95,
+ MONGOLIAN = 96,
+ ARMENIAN = 97,
+ LAOTHIAN = 98,
+ SINDHI = 99,
+ RHAETO_ROMANCE= 100, // UI only.
+ AFRIKAANS = 101,
+ LUXEMBOURGISH = 102, // UI only.
+ BURMESE = 103,
+ KHMER = 104,
+ TIBETAN = 105,
+ DHIVEHI = 106, // sometimes spelled Divehi, lang of Maldives
+ CHEROKEE = 107,
+ SYRIAC = 108, // UI only.
+ LIMBU = 109, // UI only.
+ ORIYA = 110,
+ ASSAMESE = 111, // UI only.
+ CORSICAN = 112, // UI only.
+ INTERLINGUE = 113, // UI only.
+ KAZAKH = 114,
+ LINGALA = 115, // UI only.
+ MOLDAVIAN = 116, // UI only. LangId language: ROMANIAN (22)
+ PASHTO = 117,
+ QUECHUA = 118, // UI only.
+ SHONA = 119, // UI only.
+ TAJIK = 120,
+ TATAR = 121, // UI only.
+ TONGA = 122, // UI only.
+ YORUBA = 123, // UI only.
+ CREOLES_AND_PIDGINS_ENGLISH_BASED = 124, // UI only.
+ CREOLES_AND_PIDGINS_FRENCH_BASED = 125, // UI only.
+ CREOLES_AND_PIDGINS_PORTUGUESE_BASED = 126, // UI only.
+ CREOLES_AND_PIDGINS_OTHER = 127, // UI only.
+ MAORI = 128, // UI only.
+ WOLOF = 129, // UI only.
+ ABKHAZIAN = 130, // UI only.
+ AFAR = 131, // UI only.
+ AYMARA = 132, // UI only.
+ BASHKIR = 133, // UI only.
+ BISLAMA = 134, // UI only.
+ DZONGKHA = 135, // UI only.
+ FIJIAN = 136, // UI only.
+ GREENLANDIC = 137, // UI only.
+ HAUSA = 138, // UI only.
+ HAITIAN_CREOLE= 139, // UI only.
+ INUPIAK = 140, // UI only.
+ INUKTITUT = 141,
+ KASHMIRI = 142, // UI only.
+ KINYARWANDA = 143, // UI only.
+ MALAGASY = 144, // UI only.
+ NAURU = 145, // UI only.
+ OROMO = 146, // UI only.
+ RUNDI = 147, // UI only.
+ SAMOAN = 148, // UI only.
+ SANGO = 149, // UI only.
+ SANSKRIT = 150,
+ SISWANT = 151, // UI only.
+ TSONGA = 152, // UI only.
+ TSWANA = 153, // UI only.
+ VOLAPUK = 154, // UI only.
+ ZHUANG = 155, // UI only.
+ KHASI = 156, // UI only.
+ SCOTS = 157, // UI only.
+ GANDA = 158, // UI only.
+ MANX = 159, // UI only.
+ MONTENEGRIN = 160, // UI only. LangId language: SERBIAN (29)
+ NUM_LANGUAGES = 161, // Always keep this at the end. It is not a
+ // valid Language enum. It is only used to
+ // indicate the total number of Languages.
+ // NOTE: If you add a language, you will break a unittest. See the note
+ // at the top of this enum.
+};
+
+#endif // UTIL_LANGUAGES_LANGUAGES_PB_H_