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Petrovich.php
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Petrovich.php
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<?php
class Petrovich {
private $rules; //Правила
const CASE_NOMENATIVE = -1; //именительный
const CASE_GENITIVE = 0; //родительный
const CASE_DATIVE = 1; //дательный
const CASE_ACCUSATIVE = 2; //винительный
const CASE_INSTRUMENTAL = 3; //творительный
const CASE_PREPOSITIONAL = 4; //предложный
const GENDER_ANDROGYNOUS = 0; // Пол не определен
const GENDER_MALE = 1; // Мужской
const GENDER_FEMALE = 2; // Женский
private $gender = Petrovich::GENDER_ANDROGYNOUS; //Пол male/мужской female/женский
/**
* Конструтор класса Петрович
* загружаем правила из файла rules.json
*/
function __construct($gender = Petrovich::GENDER_ANDROGYNOUS, $rules_dir = __DIR__) {
$rules_path = $rules_dir.'/rules/rules.json';
$rules_resourse = fopen($rules_path, 'r');
if($rules_resourse == false)
throw new Exception('Rules file not found.');
$rules_array = fread($rules_resourse,filesize($rules_path));
fclose($rules_resourse);
$this->rules = get_object_vars(json_decode($rules_array));
if (isset($gender) && $gender != Petrovich::GENDER_ANDROGYNOUS)
$this->gender = $gender;
}
/**
* Определяет пол по отчеству
* @param $middlename
* @return integer
* @throws Exception
*/
public function detectGender($middlename)
{
if(empty($middlename))
throw new Exception('Middlename cannot be empty.');
switch ( mb_substr( mb_strtolower($middlename) , -2))
{
case 'ич': return Petrovich::GENDER_MALE; break;
case 'на': return Petrovich::GENDER_FEMALE; break;
default: return Petrovich::GENDER_ANDROGYNOUS; break;
}
}
/**
* Задаём имя и слоняем его
*
* @param $firstname
* @param $case
* @return bool|string
* @throws Exception
*/
public function firstname($firstname, $case = Petrovich::CASE_NOMENATIVE) {
if(empty($firstname))
throw new Exception('Firstname cannot be empty.');
if ($case === Petrovich::CASE_NOMENATIVE) {
return $firstname;
}
return $this->inflect($firstname,$case,__FUNCTION__);
}
/**
* Задём отчество и склоняем его
*
* @param $middlename
* @param $case
* @return bool|string
* @throws Exception
*/
public function middlename($middlename, $case = Petrovich::CASE_NOMENATIVE) {
if(empty($middlename))
throw new Exception('Middlename cannot be empty.');
if ($case === Petrovich::CASE_NOMENATIVE) {
return $middlename;
}
return $this->inflect($middlename,$case,__FUNCTION__);
}
/**
* Задаём фамилию и слоняем её
*
* @param $lastname
* @param $case
* @return bool|string
* @throws Exception
*/
public function lastname($lastname, $case = Petrovich::CASE_NOMENATIVE) {
if(empty($lastname))
throw new Exception('Lastname cannot be empty.');
if ($case === Petrovich::CASE_NOMENATIVE) {
return $lastname;
}
return $this->inflect($lastname,$case,__FUNCTION__);
}
/**
* Функция проверяет заданное имя,фамилию или отчество на исключение
* и склоняет
*
* @param $name
* @param $case
* @param $type
* @return bool|string
*/
private function inflect($name,$case,$type) {
$names_arr = explode('-',$name);
$result = array();
foreach($names_arr as $arr_name) {
if(($exception = $this->checkException($arr_name,$case,$type)) !== false) {
$result[] = $exception;
}
else {
$result[] = $this->findInRules($arr_name,$case,$type);
}
}
return implode('-',$result);
}
/**
* Поиск в массиве правил
*
* @param $name
* @param $case
* @param $type
* @return string
*/
private function findInRules($name,$case,$type) {
foreach($this->rules[$type]->suffixes as $rule) {
if ( ! $this->checkGender($rule->gender) )
continue;
foreach($rule->test as $last_char) {
$last_name_char = mb_substr($name,mb_strlen($name)-mb_strlen($last_char),mb_strlen($last_char));
if($last_char == $last_name_char) {
if($rule->mods[$case] == '.')
return $name;
return $this->applyRule($rule->mods,$name,$case);
}
}
}
return $name;
}
/**
* Проверка на совпадение в исключениях
*
* @param $name
* @param $case
* @param $type
* @return bool|string
*/
private function checkException($name,$case,$type) {
if(!isset($this->rules[$type]->exceptions))
return false;
$lower_name = mb_strtolower($name);
foreach($this->rules[$type]->exceptions as $rule) {
if ( ! $this->checkGender($rule->gender) )
continue;
if(array_search($lower_name,$rule->test) !== false) {
if($rule->mods[$case] == '.')
return $name;
return $this->applyRule($rule->mods,$name,$case);
}
}
return false;
}
/**
* Склоняем заданное слово
*
* @param $mods
* @param $name
* @param $case
* @return string
*/
private function applyRule($mods,$name,$case) {
$result = mb_substr($name,0,mb_strlen($name) - mb_substr_count($mods[$case],'-'));
$result .= str_replace('-','',$mods[$case]);
return $result;
}
/**
* Преобразует строковое обозначение пола в числовое
* @param string
* @return integer
*/
private function getGender($gender) {
switch($gender) {
case 'male': return Petrovich::GENDER_MALE; break;
case 'female': return Petrovich::GENDER_FEMALE; break;
case 'androgynous': return Petrovich::GENDER_ANDROGYNOUS; break;
}
}
/**
* Проверяет переданный пол на соответствие установленному
* @param string
* @return bool
*/
private function checkGender($gender) {
return $this->gender === $this->getGender($gender) || $this->getGender($gender) === Petrovich::GENDER_ANDROGYNOUS;
}
}