aboutsummaryrefslogtreecommitdiffstats
path: root/library/langdet/Text/LanguageDetect
diff options
context:
space:
mode:
Diffstat (limited to 'library/langdet/Text/LanguageDetect')
-rw-r--r--library/langdet/Text/LanguageDetect/Exception.php57
-rw-r--r--library/langdet/Text/LanguageDetect/ISO639.php341
-rw-r--r--library/langdet/Text/LanguageDetect/Parser.php349
3 files changed, 0 insertions, 747 deletions
diff --git a/library/langdet/Text/LanguageDetect/Exception.php b/library/langdet/Text/LanguageDetect/Exception.php
deleted file mode 100644
index 196d994f5..000000000
--- a/library/langdet/Text/LanguageDetect/Exception.php
+++ /dev/null
@@ -1,57 +0,0 @@
-<?php
-class Text_LanguageDetect_Exception extends Exception
-{
- /**
- * Database file could not be found
- */
- const DB_NOT_FOUND = 10;
-
- /**
- * Database file found, but not readable
- */
- const DB_NOT_READABLE = 11;
-
- /**
- * Database file is empty
- */
- const DB_EMPTY = 12;
-
- /**
- * Database contents is not a PHP array
- */
- const DB_NOT_ARRAY = 13;
-
- /**
- * Magic quotes are activated
- */
- const MAGIC_QUOTES = 14;
-
-
- /**
- * Parameter of invalid type passed to method
- */
- const PARAM_TYPE = 20;
-
- /**
- * Character in parameter is invalid
- */
- const INVALID_CHAR = 21;
-
-
- /**
- * Language is not in the database
- */
- const UNKNOWN_LANGUAGE = 30;
-
-
- /**
- * Error during block detection
- */
- const BLOCK_DETECTION = 40;
-
-
- /**
- * Error while clustering languages
- */
- const NO_HIGHEST_KEY = 50;
-}
diff --git a/library/langdet/Text/LanguageDetect/ISO639.php b/library/langdet/Text/LanguageDetect/ISO639.php
deleted file mode 100644
index c577a2e1a..000000000
--- a/library/langdet/Text/LanguageDetect/ISO639.php
+++ /dev/null
@@ -1,341 +0,0 @@
-<?php
-/**
- * Part of Text_LanguageDetect
- *
- * PHP version 5
- *
- * @category Text
- * @package Text_LanguageDetect
- * @author Christian Weiske <cweiske@php.net>
- * @copyright 2011 Christian Weiske <cweiske@php.net>
- * @license http://www.debian.org/misc/bsd.license BSD
- * @version SVN: $Id$
- * @link http://pear.php.net/package/Text_LanguageDetect/
- */
-
-/**
- * Provides a mapping between the languages from lang.dat and the
- * ISO 639-1 and ISO-639-2 codes.
- *
- * Note that this class contains only languages that exist in lang.dat.
- *
- * @category Text
- * @package Text_LanguageDetect
- * @author Christian Weiske <cweiske@php.net>
- * @copyright 2011 Christian Weiske <cweiske@php.net>
- * @license http://www.debian.org/misc/bsd.license BSD
- * @link http://www.loc.gov/standards/iso639-2/php/code_list.php
- */
-class Text_LanguageDetect_ISO639
-{
- /**
- * Maps all language names from the language database to the
- * ISO 639-1 2-letter language code.
- *
- * NULL indicates that there is no 2-letter code.
- *
- * @var array
- */
- public static $nameToCode2 = array(
- 'albanian' => 'sq',
- 'arabic' => 'ar',
- 'azeri' => 'az',
- 'bengali' => 'bn',
- 'bulgarian' => 'bg',
- 'cebuano' => null,
- 'croatian' => 'hr',
- 'czech' => 'cs',
- 'danish' => 'da',
- 'dutch' => 'nl',
- 'english' => 'en',
- 'estonian' => 'et',
- 'farsi' => 'fa',
- 'finnish' => 'fi',
- 'french' => 'fr',
- 'german' => 'de',
- 'hausa' => 'ha',
- 'hawaiian' => null,
- 'hindi' => 'hi',
- 'hungarian' => 'hu',
- 'icelandic' => 'is',
- 'indonesian' => 'id',
- 'italian' => 'it',
- 'kazakh' => 'kk',
- 'kyrgyz' => 'ky',
- 'latin' => 'la',
- 'latvian' => 'lv',
- 'lithuanian' => 'lt',
- 'macedonian' => 'mk',
- 'mongolian' => 'mn',
- 'nepali' => 'ne',
- 'norwegian' => 'no',
- 'pashto' => 'ps',
- 'pidgin' => null,
- 'polish' => 'pl',
- 'portuguese' => 'pt',
- 'romanian' => 'ro',
- 'russian' => 'ru',
- 'serbian' => 'sr',
- 'slovak' => 'sk',
- 'slovene' => 'sl',
- 'somali' => 'so',
- 'spanish' => 'es',
- 'swahili' => 'sw',
- 'swedish' => 'sv',
- 'tagalog' => 'tl',
- 'turkish' => 'tr',
- 'ukrainian' => 'uk',
- 'urdu' => 'ur',
- 'uzbek' => 'uz',
- 'vietnamese' => 'vi',
- 'welsh' => 'cy',
- );
-
- /**
- * Maps all language names from the language database to the
- * ISO 639-2 3-letter language code.
- *
- * @var array
- */
- public static $nameToCode3 = array(
- 'albanian' => 'sqi',
- 'arabic' => 'ara',
- 'azeri' => 'aze',
- 'bengali' => 'ben',
- 'bulgarian' => 'bul',
- 'cebuano' => 'ceb',
- 'croatian' => 'hrv',
- 'czech' => 'ces',
- 'danish' => 'dan',
- 'dutch' => 'nld',
- 'english' => 'eng',
- 'estonian' => 'est',
- 'farsi' => 'fas',
- 'finnish' => 'fin',
- 'french' => 'fra',
- 'german' => 'deu',
- 'hausa' => 'hau',
- 'hawaiian' => 'haw',
- 'hindi' => 'hin',
- 'hungarian' => 'hun',
- 'icelandic' => 'isl',
- 'indonesian' => 'ind',
- 'italian' => 'ita',
- 'kazakh' => 'kaz',
- 'kyrgyz' => 'kir',
- 'latin' => 'lat',
- 'latvian' => 'lav',
- 'lithuanian' => 'lit',
- 'macedonian' => 'mkd',
- 'mongolian' => 'mon',
- 'nepali' => 'nep',
- 'norwegian' => 'nor',
- 'pashto' => 'pus',
- 'pidgin' => 'crp',
- 'polish' => 'pol',
- 'portuguese' => 'por',
- 'romanian' => 'ron',
- 'russian' => 'rus',
- 'serbian' => 'srp',
- 'slovak' => 'slk',
- 'slovene' => 'slv',
- 'somali' => 'som',
- 'spanish' => 'spa',
- 'swahili' => 'swa',
- 'swedish' => 'swe',
- 'tagalog' => 'tgl',
- 'turkish' => 'tur',
- 'ukrainian' => 'ukr',
- 'urdu' => 'urd',
- 'uzbek' => 'uzb',
- 'vietnamese' => 'vie',
- 'welsh' => 'cym',
- );
-
- /**
- * Maps ISO 639-1 2-letter language codes to the language names
- * in the language database
- *
- * Not all languages have a 2 letter code, so some are missing
- *
- * @var array
- */
- public static $code2ToName = array(
- 'ar' => 'arabic',
- 'az' => 'azeri',
- 'bg' => 'bulgarian',
- 'bn' => 'bengali',
- 'cs' => 'czech',
- 'cy' => 'welsh',
- 'da' => 'danish',
- 'de' => 'german',
- 'en' => 'english',
- 'es' => 'spanish',
- 'et' => 'estonian',
- 'fa' => 'farsi',
- 'fi' => 'finnish',
- 'fr' => 'french',
- 'ha' => 'hausa',
- 'hi' => 'hindi',
- 'hr' => 'croatian',
- 'hu' => 'hungarian',
- 'id' => 'indonesian',
- 'is' => 'icelandic',
- 'it' => 'italian',
- 'kk' => 'kazakh',
- 'ky' => 'kyrgyz',
- 'la' => 'latin',
- 'lt' => 'lithuanian',
- 'lv' => 'latvian',
- 'mk' => 'macedonian',
- 'mn' => 'mongolian',
- 'ne' => 'nepali',
- 'nl' => 'dutch',
- 'no' => 'norwegian',
- 'pl' => 'polish',
- 'ps' => 'pashto',
- 'pt' => 'portuguese',
- 'ro' => 'romanian',
- 'ru' => 'russian',
- 'sk' => 'slovak',
- 'sl' => 'slovene',
- 'so' => 'somali',
- 'sq' => 'albanian',
- 'sr' => 'serbian',
- 'sv' => 'swedish',
- 'sw' => 'swahili',
- 'tl' => 'tagalog',
- 'tr' => 'turkish',
- 'uk' => 'ukrainian',
- 'ur' => 'urdu',
- 'uz' => 'uzbek',
- 'vi' => 'vietnamese',
- );
-
- /**
- * Maps ISO 639-2 3-letter language codes to the language names
- * in the language database.
- *
- * @var array
- */
- public static $code3ToName = array(
- 'ara' => 'arabic',
- 'aze' => 'azeri',
- 'ben' => 'bengali',
- 'bul' => 'bulgarian',
- 'ceb' => 'cebuano',
- 'ces' => 'czech',
- 'crp' => 'pidgin',
- 'cym' => 'welsh',
- 'dan' => 'danish',
- 'deu' => 'german',
- 'eng' => 'english',
- 'est' => 'estonian',
- 'fas' => 'farsi',
- 'fin' => 'finnish',
- 'fra' => 'french',
- 'hau' => 'hausa',
- 'haw' => 'hawaiian',
- 'hin' => 'hindi',
- 'hrv' => 'croatian',
- 'hun' => 'hungarian',
- 'ind' => 'indonesian',
- 'isl' => 'icelandic',
- 'ita' => 'italian',
- 'kaz' => 'kazakh',
- 'kir' => 'kyrgyz',
- 'lat' => 'latin',
- 'lav' => 'latvian',
- 'lit' => 'lithuanian',
- 'mkd' => 'macedonian',
- 'mon' => 'mongolian',
- 'nep' => 'nepali',
- 'nld' => 'dutch',
- 'nor' => 'norwegian',
- 'pol' => 'polish',
- 'por' => 'portuguese',
- 'pus' => 'pashto',
- 'rom' => 'romanian',
- 'rus' => 'russian',
- 'slk' => 'slovak',
- 'slv' => 'slovene',
- 'som' => 'somali',
- 'spa' => 'spanish',
- 'sqi' => 'albanian',
- 'srp' => 'serbian',
- 'swa' => 'swahili',
- 'swe' => 'swedish',
- 'tgl' => 'tagalog',
- 'tur' => 'turkish',
- 'ukr' => 'ukrainian',
- 'urd' => 'urdu',
- 'uzb' => 'uzbek',
- 'vie' => 'vietnamese',
- );
-
- /**
- * Returns the 2-letter ISO 639-1 code for the given language name.
- *
- * @param string $lang English language name like "swedish"
- *
- * @return string Two-letter language code (e.g. "sv") or NULL if not found
- */
- public static function nameToCode2($lang)
- {
- $lang = strtolower($lang);
- if (!isset(self::$nameToCode2[$lang])) {
- return null;
- }
- return self::$nameToCode2[$lang];
- }
-
- /**
- * Returns the 3-letter ISO 639-2 code for the given language name.
- *
- * @param string $lang English language name like "swedish"
- *
- * @return string Three-letter language code (e.g. "swe") or NULL if not found
- */
- public static function nameToCode3($lang)
- {
- $lang = strtolower($lang);
- if (!isset(self::$nameToCode3[$lang])) {
- return null;
- }
- return self::$nameToCode3[$lang];
- }
-
- /**
- * Returns the language name for the given 2-letter ISO 639-1 code.
- *
- * @param string $code Two-letter language code (e.g. "sv")
- *
- * @return string English language name like "swedish"
- */
- public static function code2ToName($code)
- {
- $lang = strtolower($code);
- if (!isset(self::$code2ToName[$code])) {
- return null;
- }
- return self::$code2ToName[$code];
- }
-
- /**
- * Returns the language name for the given 3-letter ISO 639-2 code.
- *
- * @param string $code Three-letter language code (e.g. "swe")
- *
- * @return string English language name like "swedish"
- */
- public static function code3ToName($code)
- {
- $lang = strtolower($code);
- if (!isset(self::$code3ToName[$code])) {
- return null;
- }
- return self::$code3ToName[$code];
- }
-}
-
-?> \ No newline at end of file
diff --git a/library/langdet/Text/LanguageDetect/Parser.php b/library/langdet/Text/LanguageDetect/Parser.php
deleted file mode 100644
index 1c20c2657..000000000
--- a/library/langdet/Text/LanguageDetect/Parser.php
+++ /dev/null
@@ -1,349 +0,0 @@
-<?php
-
-/**
- * This class represents a text sample to be parsed.
- *
- * @category Text
- * @package Text_LanguageDetect
- * @author Nicholas Pisarro
- * @copyright 2006
- * @license BSD
- * @version CVS: $Id: Parser.php 322327 2012-01-15 17:55:59Z cweiske $
- * @link http://pear.php.net/package/Text_LanguageDetect/
- * @link http://langdetect.blogspot.com/
- */
-
-/**
- * This class represents a text sample to be parsed.
- *
- * This separates the analysis of a text sample from the primary LanguageDetect
- * class. After a new profile has been built, the data can be retrieved using
- * the accessor functions.
- *
- * This class is intended to be used by the Text_LanguageDetect class, not
- * end-users.
- *
- * @category Text
- * @package Text_LanguageDetect
- * @author Nicholas Pisarro
- * @copyright 2006
- * @license BSD
- * @version release: 0.3.0
- */
-class Text_LanguageDetect_Parser extends Text_LanguageDetect
-{
- /**
- * the piece of text being parsed
- *
- * @access private
- * @var string
- */
- var $_string;
-
- /**
- * stores the trigram frequencies of the sample
- *
- * @access private
- * @var string
- */
- var $_trigrams = array();
-
- /**
- * stores the trigram ranks of the sample
- *
- * @access private
- * @var array
- */
- var $_trigram_ranks = array();
-
- /**
- * stores the unicode blocks of the sample
- *
- * @access private
- * @var array
- */
- var $_unicode_blocks = array();
-
- /**
- * Whether the parser should compile the unicode ranges
- *
- * @access private
- * @var bool
- */
- var $_compile_unicode = false;
-
- /**
- * Whether the parser should compile trigrams
- *
- * @access private
- * @var bool
- */
- var $_compile_trigram = false;
-
- /**
- * Whether the trigram parser should pad the beginning of the string
- *
- * @access private
- * @var bool
- */
- var $_trigram_pad_start = false;
-
- /**
- * Whether the unicode parser should skip non-alphabetical ascii chars
- *
- * @access private
- * @var bool
- */
- var $_unicode_skip_symbols = true;
-
- /**
- * Constructor
- *
- * @access private
- * @param string $string string to be parsed
- */
- function Text_LanguageDetect_Parser($string) {
- $this->_string = $string;
- }
-
- /**
- * Returns true if a string is suitable for parsing
- *
- * @param string $str input string to test
- * @return bool true if acceptable, false if not
- */
- public static function validateString($str) {
- if (!empty($str) && strlen($str) > 3 && preg_match('/\S/', $str)) {
- return true;
- } else {
- return false;
- }
- }
-
- /**
- * turn on/off trigram counting
- *
- * @access public
- * @param bool $bool true for on, false for off
- */
- function prepareTrigram($bool = true)
- {
- $this->_compile_trigram = $bool;
- }
-
- /**
- * turn on/off unicode block counting
- *
- * @access public
- * @param bool $bool true for on, false for off
- */
- function prepareUnicode($bool = true)
- {
- $this->_compile_unicode = $bool;
- }
-
- /**
- * turn on/off padding the beginning of the sample string
- *
- * @access public
- * @param bool $bool true for on, false for off
- */
- function setPadStart($bool = true)
- {
- $this->_trigram_pad_start = $bool;
- }
-
- /**
- * Should the unicode block counter skip non-alphabetical ascii chars?
- *
- * @access public
- * @param bool $bool true for on, false for off
- */
- function setUnicodeSkipSymbols($bool = true)
- {
- $this->_unicode_skip_symbols = $bool;
- }
-
- /**
- * Returns the trigram ranks for the text sample
- *
- * @access public
- * @return array trigram ranks in the text sample
- */
- function &getTrigramRanks()
- {
- return $this->_trigram_ranks;
- }
-
- /**
- * Return the trigram freqency table
- *
- * only used in testing to make sure the parser is working
- *
- * @access public
- * @return array trigram freqencies in the text sample
- */
- function &getTrigramFreqs()
- {
- return $this->_trigram;
- }
-
- /**
- * returns the array of unicode blocks
- *
- * @access public
- * @return array unicode blocks in the text sample
- */
- function &getUnicodeBlocks()
- {
- return $this->_unicode_blocks;
- }
-
- /**
- * Executes the parsing operation
- *
- * Be sure to call the set*() functions to set options and the
- * prepare*() functions first to tell it what kind of data to compute
- *
- * Afterwards the get*() functions can be used to access the compiled
- * information.
- *
- * @access public
- */
- function analyze()
- {
- $len = strlen($this->_string);
- $byte_counter = 0;
-
-
- // unicode startup
- if ($this->_compile_unicode) {
- $blocks = $this->_read_unicode_block_db();
- $block_count = count($blocks);
-
- $skipped_count = 0;
- $unicode_chars = array();
- }
-
- // trigram startup
- if ($this->_compile_trigram) {
- // initialize them as blank so the parser will skip the first two
- // (since it skips trigrams with more than 2 contiguous spaces)
- $a = ' ';
- $b = ' ';
-
- // kludge
- // if it finds a valid trigram to start and the start pad option is
- // off, then set a variable that will be used to reduce this
- // trigram after parsing has finished
- if (!$this->_trigram_pad_start) {
- $a = $this->_next_char($this->_string, $byte_counter, true);
-
- if ($a != ' ') {
- $b = $this->_next_char($this->_string, $byte_counter, true);
- $dropone = " $a$b";
- }
-
- $byte_counter = 0;
- $a = ' ';
- $b = ' ';
- }
- }
-
- while ($byte_counter < $len) {
- $char = $this->_next_char($this->_string, $byte_counter, true);
-
-
- // language trigram detection
- if ($this->_compile_trigram) {
- if (!($b == ' ' && ($a == ' ' || $char == ' '))) {
- if (!isset($this->_trigram[$a . $b . $char])) {
- $this->_trigram[$a . $b . $char] = 1;
- } else {
- $this->_trigram[$a . $b . $char]++;
- }
- }
-
- $a = $b;
- $b = $char;
- }
-
- // unicode block detection
- if ($this->_compile_unicode) {
- if ($this->_unicode_skip_symbols
- && strlen($char) == 1
- && ($char < 'A' || $char > 'z'
- || ($char > 'Z' && $char < 'a'))
- && $char != "'") { // does not skip the apostrophe
- // since it's included in the language
- // models
-
- $skipped_count++;
- continue;
- }
-
- // build an array of all the characters
- if (isset($unicode_chars[$char])) {
- $unicode_chars[$char]++;
- } else {
- $unicode_chars[$char] = 1;
- }
- }
-
- // todo: add byte detection here
- }
-
- // unicode cleanup
- if ($this->_compile_unicode) {
- foreach ($unicode_chars as $utf8_char => $count) {
- $search_result = $this->_unicode_block_name(
- $this->_utf8char2unicode($utf8_char), $blocks, $block_count);
-
- if ($search_result != -1) {
- $block_name = $search_result[2];
- } else {
- $block_name = '[Malformatted]';
- }
-
- if (isset($this->_unicode_blocks[$block_name])) {
- $this->_unicode_blocks[$block_name] += $count;
- } else {
- $this->_unicode_blocks[$block_name] = $count;
- }
- }
- }
-
-
- // trigram cleanup
- if ($this->_compile_trigram) {
- // pad the end
- if ($b != ' ') {
- if (!isset($this->_trigram["$a$b "])) {
- $this->_trigram["$a$b "] = 1;
- } else {
- $this->_trigram["$a$b "]++;
- }
- }
-
- // perl compatibility; Language::Guess does not pad the beginning
- // kludge
- if (isset($dropone)) {
- if ($this->_trigram[$dropone] == 1) {
- unset($this->_trigram[$dropone]);
- } else {
- $this->_trigram[$dropone]--;
- }
- }
-
- if (!empty($this->_trigram)) {
- $this->_trigram_ranks = $this->_arr_rank($this->_trigram);
- } else {
- $this->_trigram_ranks = array();
- }
- }
- }
-}
-
-/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
-
-?>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 05:37:54 +0000