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<?php
/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Doc\Search;
use UnexpectedValueException;
use Icinga\Application\Icinga;
use Icinga\Web\View;
/**
* A doc search match
*/
class DocSearchMatch
{
/**
* CSS class for highlighting matches
*
* @var string
*/
const HIGHLIGHT_CSS_CLASS = 'search-highlight';
/**
* Header match
*
* @var int
*/
const MATCH_HEADER = 1;
/**
* Content match
*
* @var int
*/
const MATCH_CONTENT = 2;
/**
* Line
*
* @var string
*/
protected $line;
/**
* Line number
*
* @var int
*/
protected $lineno;
/**
* Type of the match
*
* @var int
*/
protected $matchType;
/**
* Matches
*
* @var array
*/
protected $matches = array();
/**
* View
*
* @var View|null
*/
protected $view;
/**
* Set the line
*
* @param string $line
*
* @return $this
*/
public function setLine($line)
{
$this->line = (string) $line;
return $this;
}
/**
* Get the line
*
* @return string
*/
public function getLine()
{
return $this->line;
}
/**
* Set the line number
*
* @param int $lineno
*
* @return $this
*/
public function setLineno($lineno)
{
$this->lineno = (int) $lineno;
return $this;
}
/**
* Set the match type
*
* @param int $matchType
*
* @return $this
*/
public function setMatchType($matchType)
{
$matchType = (int) $matchType;
if ($matchType !== static::MATCH_HEADER && $matchType !== static::MATCH_CONTENT) {
throw new UnexpectedValueException();
}
$this->matchType = $matchType;
return $this;
}
/**
* Get the match type
*
* @return int
*/
public function getMatchType()
{
return $this->matchType;
}
/**
* Append a match
*
* @param string $match
* @param int $position
*
* @return $this
*/
public function appendMatch($match, $position)
{
$this->matches[(int) $position] = (string) $match;
return $this;
}
/**
* Get the matches
*
* @return array
*/
public function getMatches()
{
return $this->matches;
}
/**
* Set the view
*
* @param View $view
*
* @return $this
*/
public function setView(View $view)
{
$this->view = $view;
return $this;
}
/**
* Get the view
*
* @return View
*/
public function getView()
{
if ($this->view === null) {
$this->view = Icinga::app()->getViewRenderer()->view;
}
return $this->view;
}
/**
* Get the line having matches highlighted
*
* @return string
*/
public function highlight()
{
$highlighted = '';
$offset = 0;
$matches = $this->getMatches();
ksort($matches);
foreach ($matches as $position => $match) {
$highlighted .= $this->getView()->escape(substr($this->line, $offset, $position - $offset))
. '<span class="' . static::HIGHLIGHT_CSS_CLASS .'">'
. $this->getView()->escape($match)
. '</span>';
$offset = $position + strlen($match);
}
$highlighted .= $this->getView()->escape(substr($this->line, $offset));
return $highlighted;
}
/**
* Whether the match is empty
*
* @return bool
*/
public function isEmpty()
{
return empty($this->matches);
}
}
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