96 lines
2.3 KiB
PHP
96 lines
2.3 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
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namespace Icinga\Module\Doc\Search;
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/**
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* Search documentation for a given search string
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*/
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class DocSearch
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{
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/**
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* Search string
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*
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* @var string
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*/
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protected $input;
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/**
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* Search criteria
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*
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* @var array
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*/
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protected $search;
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/**
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* Create a new doc search from the given search string
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*
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* @param string $search
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*/
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public function __construct($search)
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{
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$this->input = $search = (string) $search;
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$criteria = array();
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if (preg_match_all('/"(?P<search>[^"]*)"/', $search, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
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$unquoted = array();
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$offset = 0;
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foreach ($matches as $match) {
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$fullMatch = $match[0];
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$searchMatch = $match['search'];
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$unquoted[] = substr($search, $offset, $fullMatch[1] - $offset);
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$offset = $fullMatch[1] + strlen($fullMatch[0]);
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if (strlen($searchMatch[0]) > 0) {
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$criteria[] = $searchMatch[0];
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}
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}
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$unquoted[] = substr($search, $offset);
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$search = implode(' ', $unquoted);
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}
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$this->search = array_map(
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'strtolower',
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array_unique(array_merge($criteria, array_filter(explode(' ', trim($search)))))
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);
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}
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/**
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* Get the search criteria
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*
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* @return array
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*/
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public function getCriteria()
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{
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return $this->search;
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}
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/**
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* Get the search string
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*
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* @return string
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*/
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public function getInput()
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{
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return $this->input;
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}
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/**
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* Search in the given line
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*
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* @param string $line
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*
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* @return DocSearchMatch|null
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*/
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public function search($line)
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{
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$match = new DocSearchMatch();
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$match->setLine($line);
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foreach ($this->search as $criteria) {
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$offset = 0;
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while (($position = stripos($line, $criteria, $offset)) !== false) {
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$match->appendMatch(substr($line, $position, strlen($criteria)), $position);
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$offset = $position + 1;
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}
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}
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return $match->isEmpty() ? null : $match;
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}
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}
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