Current File : //var/www/cwg/wp-content/plugins/searchwp/lib/vendor/wamania/php-stemmer/src/French.php
<?php
namespace SearchWP\Dependencies\Wamania\Snowball;
/**
*
* @link http://snowball.tartarus.org/algorithms/french/stemmer.html
* @author wamania
*
*/
class French extends \SearchWP\Dependencies\Wamania\Snowball\Stem
{
/**
* All french vowels
*/
protected static $vowels = array('a', 'e', 'i', 'o', 'u', 'y', 'â', 'à', 'ë', 'é', 'ê', 'è', 'ï', 'î', 'ô', 'û', 'ù');
/**
* {@inheritdoc}
*/
public function stem($word)
{
// we do ALL in UTF-8
if (!\SearchWP\Dependencies\Wamania\Snowball\Utf8::check($word)) {
throw new \Exception('Word must be in UTF-8');
}
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::strtolower($word);
$this->plainVowels = \implode('', self::$vowels);
$this->step0();
$this->rv();
$this->r1();
$this->r2();
// to know if step1, 2a or 2b have altered the word
$this->originalWord = $this->word;
$nextStep = $this->step1();
// Do step 2a if either no ending was removed by step 1, or if one of endings amment, emment, ment, ments was found.
if ($nextStep == 2 || $this->originalWord == $this->word) {
$modified = $this->step2a();
if (!$modified) {
$this->step2b();
}
}
if ($this->word != $this->originalWord) {
$this->step3();
} else {
$this->step4();
}
$this->step5();
$this->step6();
$this->finish();
return $this->word;
}
/**
* Assume the word is in lower case.
* Then put into upper case u or i preceded and followed by a vowel, and y preceded or followed by a vowel.
* u after q is also put into upper case. For example,
* jouer -> joUer
* ennuie -> ennuIe
* yeux -> Yeux
* quand -> qUand
*/
private function step0()
{
$this->word = \preg_replace('#([q])u#u', '$1U', $this->word);
$this->word = \preg_replace('#([' . $this->plainVowels . '])y#u', '$1Y', $this->word);
$this->word = \preg_replace('#y([' . $this->plainVowels . '])#u', 'Y$1', $this->word);
$this->word = \preg_replace('#([' . $this->plainVowels . '])u([' . $this->plainVowels . '])#u', '$1U$2', $this->word);
$this->word = \preg_replace('#([' . $this->plainVowels . '])i([' . $this->plainVowels . '])#u', '$1I$2', $this->word);
}
/**
* Step 1
* Search for the longest among the following suffixes, and perform the action indicated.
*
* @return integer Next step number
*/
private function step1()
{
// ance iqUe isme able iste eux ances iqUes ismes ables istes
// delete if in R2
if (($position = $this->search(array('ances', 'iqUes', 'ismes', 'ables', 'istes', 'ance', 'iqUe', 'isme', 'able', 'iste', 'eux'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
}
return 3;
}
// atrice ateur ation atrices ateurs ations
// delete if in R2
// if preceded by ic, delete if in R2, else replace by iqU
if (($position = $this->search(array('atrices', 'ateurs', 'ations', 'atrice', 'ateur', 'ation'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
if (($position2 = $this->searchIfInR2(array('ic'))) !== \false) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position2);
} else {
$this->word = \preg_replace('#(ic)$#u', 'iqU', $this->word);
}
}
return 3;
}
// logie logies
// replace with log if in R2
if (($position = $this->search(array('logies', 'logie'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \preg_replace('#(logies|logie)$#u', 'log', $this->word);
}
return 3;
}
// usion ution usions utions
// replace with u if in R2
if (($position = $this->search(array('usions', 'utions', 'usion', 'ution'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \preg_replace('#(usion|ution|usions|utions)$#u', 'u', $this->word);
}
return 3;
}
// ence ences
// replace with ent if in R2
if (($position = $this->search(array('ences', 'ence'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \preg_replace('#(ence|ences)$#u', 'ent', $this->word);
}
return 3;
}
// issement issements
// delete if in R1 and preceded by a non-vowel
if (($position = $this->search(array('issements', 'issement'))) != \false) {
if ($this->inR1($position)) {
$before = $position - 1;
$letter = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, $before, 1);
if (!\in_array($letter, self::$vowels)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
}
}
return 3;
}
// ement ements
// delete if in RV
// if preceded by iv, delete if in R2 (and if further preceded by at, delete if in R2), otherwise,
// if preceded by eus, delete if in R2, else replace by eux if in R1, otherwise,
// if preceded by abl or iqU, delete if in R2, otherwise,
// if preceded by ièr or Ièr, replace by i if in RV
if (($position = $this->search(array('ements', 'ement'))) !== \false) {
// delete if in RV
if ($this->inRv($position)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
}
// if preceded by iv, delete if in R2 (and if further preceded by at, delete if in R2), otherwise,
if (($position = $this->searchIfInR2(array('iv'))) !== \false) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
if (($position2 = $this->searchIfInR2(array('at'))) !== \false) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position2);
}
// if preceded by eus, delete if in R2, else replace by eux if in R1, otherwise,
} elseif (($position = $this->search(array('eus'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
} elseif ($this->inR1($position)) {
$this->word = \preg_replace('#(eus)$#u', 'eux', $this->word);
}
// if preceded by abl or iqU, delete if in R2, otherwise,
} elseif (($position = $this->searchIfInR2(array('abl', 'iqU'))) !== \false) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
// if preceded by ièr or Ièr, replace by i if in RV
} elseif (($position = $this->searchIfInRv(array('ièr', 'Ièr'))) !== \false) {
$this->word = \preg_replace('#(ièr|Ièr)$#u', 'i', $this->word);
}
return 3;
}
// ité ités
// delete if in R2
// if preceded by abil, delete if in R2, else replace by abl, otherwise,
// if preceded by ic, delete if in R2, else replace by iqU, otherwise,
// if preceded by iv, delete if in R2
if (($position = $this->search(array('ités', 'ité'))) !== \false) {
// delete if in R2
if ($this->inR2($position)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
}
// if preceded by abil, delete if in R2, else replace by abl, otherwise,
if (($position = $this->search(array('abil'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
} else {
$this->word = \preg_replace('#(abil)$#u', 'abl', $this->word);
}
// if preceded by ic, delete if in R2, else replace by iqU, otherwise,
} elseif (($position = $this->search(array('ic'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
} else {
$this->word = \preg_replace('#(ic)$#u', 'iqU', $this->word);
}
// if preceded by iv, delete if in R2
} elseif (($position = $this->searchIfInR2(array('iv'))) !== \false) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
}
return 3;
}
// if ive ifs ives
// delete if in R2
// if preceded by at, delete if in R2 (and if further preceded by ic, delete if in R2, else replace by iqU)
if (($position = $this->search(array('ifs', 'ives', 'if', 'ive'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
}
if (($position = $this->searchIfInR2(array('at'))) !== \false) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
if (($position2 = $this->search(array('ic'))) !== \false) {
if ($this->inR2($position2)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position2);
} else {
$this->word = \preg_replace('#(ic)$#u', 'iqU', $this->word);
}
}
}
return 3;
}
// eaux
// replace with eau
if (($position = $this->search(array('eaux'))) !== \false) {
$this->word = \preg_replace('#(eaux)$#u', 'eau', $this->word);
return 3;
}
// aux
// replace with al if in R1
if (($position = $this->search(array('aux'))) !== \false) {
if ($this->inR1($position)) {
$this->word = \preg_replace('#(aux)$#u', 'al', $this->word);
}
return 3;
}
// euse euses
// delete if in R2, else replace by eux if in R1
if (($position = $this->search(array('euses', 'euse'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
} elseif ($this->inR1($position)) {
$this->word = \preg_replace('#(euses|euse)$#u', 'eux', $this->word);
//return 3;
}
return 3;
}
// amment
// replace with ant if in RV
if (($position = $this->search(array('amment'))) !== \false) {
if ($this->inRv($position)) {
$this->word = \preg_replace('#(amment)$#u', 'ant', $this->word);
}
return 2;
}
// emment
// replace with ent if in RV
if (($position = $this->search(array('emment'))) !== \false) {
if ($this->inRv($position)) {
$this->word = \preg_replace('#(emment)$#u', 'ent', $this->word);
}
return 2;
}
// ment ments
// delete if preceded by a vowel in RV
if (($position = $this->search(array('ments', 'ment'))) != \false) {
$before = $position - 1;
$letter = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, $before, 1);
if ($this->inRv($before) && \in_array($letter, self::$vowels)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
}
return 2;
}
return 2;
}
/**
* Step 2a: Verb suffixes beginning i
* In steps 2a and 2b all tests are confined to the RV region.
* Search for the longest among the following suffixes and if found, delete if preceded by a non-vowel.
* îmes ît îtes i ie ies ir ira irai iraIent irais irait iras irent irez iriez
* irions irons iront is issaIent issais issait issant issante issantes issants isse
* issent isses issez issiez issions issons it
* (Note that the non-vowel itself must also be in RV.)
*/
private function step2a()
{
if (($position = $this->searchIfInRv(array('îmes', 'îtes', 'ît', 'ies', 'ie', 'iraIent', 'irais', 'irait', 'irai', 'iras', 'ira', 'irent', 'irez', 'iriez', 'irions', 'irons', 'iront', 'ir', 'issaIent', 'issais', 'issait', 'issant', 'issantes', 'issante', 'issants', 'issent', 'isses', 'issez', 'isse', 'issiez', 'issions', 'issons', 'is', 'it', 'i'))) !== \false) {
$before = $position - 1;
$letter = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, $before, 1);
if ($this->inRv($before) && !\in_array($letter, self::$vowels)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
return \true;
}
}
return \false;
}
/**
* Do step 2b if step 2a was done, but failed to remove a suffix.
* Step 2b: Other verb suffixes
*/
private function step2b()
{
// é ée ées és èrent er era erai eraIent erais erait eras erez eriez erions erons eront ez iez
// delete
if (($position = $this->searchIfInRv(array('ées', 'èrent', 'erais', 'erait', 'erai', 'eraIent', 'eras', 'erez', 'eriez', 'erions', 'erons', 'eront', 'era', 'er', 'iez', 'ez', 'és', 'ée', 'é'))) !== \false) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
return \true;
}
// âmes ât âtes a ai aIent ais ait ant ante antes ants as asse assent asses assiez assions
// delete
// if preceded by e, delete
if (($position = $this->searchIfInRv(array('âmes', 'âtes', 'ât', 'aIent', 'ais', 'ait', 'antes', 'ante', 'ants', 'ant', 'assent', 'asses', 'assiez', 'assions', 'asse', 'as', 'ai', 'a'))) !== \false) {
$before = $position - 1;
$letter = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, $before, 1);
if ($this->inRv($before) && $letter == 'e') {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $before);
} else {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
}
return \true;
}
// ions
// delete if in R2
if (($position = $this->searchIfInRv(array('ions'))) !== \false) {
if ($this->inR2($position)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
}
return \true;
}
return \false;
}
/**
* Step 3: Replace final Y with i or final ç with c
*/
private function step3()
{
$this->word = \preg_replace('#(Y)$#u', 'i', $this->word);
$this->word = \preg_replace('#(ç)$#u', 'c', $this->word);
}
/**
* Step 4: Residual suffix
*/
private function step4()
{
//If the word ends s, not preceded by a, i, o, u, è or s, delete it.
if (\preg_match('#[^aiouès]s$#', $this->word)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, -1);
}
// In the rest of step 4, all tests are confined to the RV region.
// ion
// delete if in R2 and preceded by s or t
if (($position = $this->searchIfInRv(array('ion'))) !== \false && $this->inR2($position)) {
$before = $position - 1;
$letter = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, $before, 1);
if ($this->inRv($before) && ($letter == 's' || $letter == 't')) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, $position);
}
return \true;
}
// ier ière Ier Ière
// replace with i
if ($this->searchIfInRv(array('ier', 'ière', 'Ier', 'Ière')) !== \false) {
$this->word = \preg_replace('#(ier|ière|Ier|Ière)$#u', 'i', $this->word);
return \true;
}
// e
// delete
if ($this->searchIfInRv(array('e')) !== \false) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, -1);
return \true;
}
// ë
// if preceded by gu, delete
if (($position = $this->searchIfInRv(array('guë'))) !== \false) {
if ($this->inRv($position + 2)) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, -1);
return \true;
}
}
return \false;
}
/**
* Step 5: Undouble
* If the word ends enn, onn, ett, ell or eill, delete the last letter
*/
private function step5()
{
if ($this->search(array('enn', 'onn', 'ett', 'ell', 'eill')) !== \false) {
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, -1);
}
}
/**
* Step 6: Un-accent
* If the words ends é or è followed by at least one non-vowel, remove the accent from the e.
*/
private function step6()
{
$this->word = \preg_replace('#(é|è)([^' . $this->plainVowels . ']+)$#u', 'e$2', $this->word);
}
/**
* And finally:
* Turn any remaining I, U and Y letters in the word back into lower case.
*/
private function finish()
{
$this->word = \SearchWP\Dependencies\Wamania\Snowball\Utf8::str_replace(array('I', 'U', 'Y'), array('i', 'u', 'y'), $this->word);
}
/**
* If the word begins with two vowels, RV is the region after the third letter,
* otherwise the region after the first vowel not at the beginning of the word,
* or the end of the word if these positions cannot be found.
* (Exceptionally, par, col or tap, at the begining of a word is also taken to define RV as the region to their right.)
*/
protected function rv()
{
$length = \SearchWP\Dependencies\Wamania\Snowball\Utf8::strlen($this->word);
$this->rv = '';
$this->rvIndex = $length;
if ($length < 3) {
return \true;
}
// If the word begins with two vowels, RV is the region after the third letter
$first = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, 1);
$second = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 1, 1);
if (\in_array($first, self::$vowels) && \in_array($second, self::$vowels)) {
$this->rv = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 3);
$this->rvIndex = 3;
return \true;
}
// (Exceptionally, par, col or tap, at the begining of a word is also taken to define RV as the region to their right.)
$begin3 = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 0, 3);
if (\in_array($begin3, array('par', 'col', 'tap'))) {
$this->rv = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, 3);
$this->rvIndex = 3;
return \true;
}
// otherwise the region after the first vowel not at the beginning of the word,
for ($i = 1; $i < $length; $i++) {
$letter = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, $i, 1);
if (\in_array($letter, self::$vowels)) {
$this->rv = \SearchWP\Dependencies\Wamania\Snowball\Utf8::substr($this->word, $i + 1);
$this->rvIndex = $i + 1;
return \true;
}
}
return \false;
}
}
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