162 lines
3.4 KiB
PHP
162 lines
3.4 KiB
PHP
<?php
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namespace libphonenumber;
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/**
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* Matcher for various regex matching
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*
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* Note that this is NOT the same as google's java PhoneNumberMatcher class.
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* This class is a minimal port of java's built-in matcher class, whereas PhoneNumberMatcher
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* is designed to recognize phone numbers embedded in any text.
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*/
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class Matcher
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{
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/**
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* @var string
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*/
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private $pattern;
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/**
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* @var string
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*/
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private $subject;
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/**
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* @var array
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*/
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private $groups = array();
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/**
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* @param string $pattern
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* @param string $subject
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*/
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public function __construct($pattern, $subject)
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{
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$this->pattern = str_replace('/', '\/', $pattern);
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$this->subject = $subject;
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}
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private function doMatch($type = 'find')
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{
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$final_pattern = '(?:' . $this->pattern . ')';
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switch ($type) {
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case 'matches':
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$final_pattern = '^' . $final_pattern . '$';
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break;
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case 'lookingAt':
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$final_pattern = '^' . $final_pattern;
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break;
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case 'find':
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default:
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// no changes
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break;
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}
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$final_pattern = '/' . $final_pattern . '/x';
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return (preg_match($final_pattern, $this->subject, $this->groups, PREG_OFFSET_CAPTURE) == 1) ? true : false;
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}
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/**
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* @return bool
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*/
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public function matches()
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{
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return $this->doMatch('matches');
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}
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/**
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* @return bool
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*/
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public function lookingAt()
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{
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return $this->doMatch('lookingAt');
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}
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/**
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* @return bool
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*/
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public function find()
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{
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return $this->doMatch('find');
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}
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/**
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* @return int
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*/
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public function groupCount()
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{
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if (empty($this->groups)) {
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return null;
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} else {
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return count($this->groups) - 1;
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}
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}
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/**
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* @param int $group
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* @return string
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*/
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public function group($group = null)
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{
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if (!isset($group)) {
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$group = 0;
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}
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return (isset($this->groups[$group][0])) ? $this->groups[$group][0] : null;
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}
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/**
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* @param int|null $group
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* @return int
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*/
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public function end($group = null)
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{
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if (!isset($group) || $group === null) {
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$group = 0;
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}
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if (!isset($this->groups[$group])) {
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return null;
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}
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return $this->groups[$group][1] + strlen($this->groups[$group][0]);
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}
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public function start($group = null)
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{
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if (isset($group) || $group === null) {
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$group = 0;
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}
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if (!isset($this->groups[$group])) {
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return null;
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}
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return $this->groups[$group][1];
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}
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/**
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* @param string $replacement
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* @return string
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*/
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public function replaceFirst($replacement)
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{
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return preg_replace('/' . $this->pattern . '/x', $replacement, $this->subject, 1);
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}
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/**
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* @param string $replacement
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* @return string
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*/
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public function replaceAll($replacement)
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{
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return preg_replace('/' . $this->pattern . '/x', $replacement, $this->subject);
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}
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/**
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* @param string $input
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* @return Matcher
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*/
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public function reset($input = "")
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{
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$this->subject = $input;
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return $this;
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}
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}
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