Highlight bits of wikitext. More...

Public Member Functions
	__construct ($cleanupWikitext=true)
	caseCallback ($matches)
	Do manual case conversion for non-ascii chars.
	extract ($text, $start, $end, &$posStart=null, &$posEnd=null)
	Extract part of the text from start to end, but by not chopping up words.
	highlightSimple ($text, $terms, $contextlines, $contextchars)
	Simple & fast snippet extraction, but gives completely unrelevant snippets.
	highlightText ($text, $terms, $contextlines, $contextchars)
	Default implementation of wikitext highlighting.
	linkReplace ($matches)
	callback to replace [[target\|caption]] kind of links, if the target is category or image, leave it
	position ($text, $point, $offset=0)
	Find a nonletter near a point (index) in the text.
	process ($pattern, $extracts, &$linesleft, &$contextchars, &$out, &$offsets)
	Search extracts for a pattern, and return snippets.
	removeWiki ($text)
	Basic wikitext removal.
	splitAndAdd (&$extracts, &$count, $text)
	Split text into lines and add it to extracts array.
Public Attributes
	$mCleanWikitext = true

Detailed Description

Highlight bits of wikitext.

Definition at line 917 of file SearchEngine.php.

Constructor & Destructor Documentation

SearchHighlighter::__construct ( $ cleanupWikitext = true )

Definition at line 920 of file SearchEngine.php.

Member Function Documentation

SearchHighlighter::caseCallback ( $ matches )

Do manual case conversion for non-ascii chars.

Parameters:

$matches Array

Definition at line 1189 of file SearchEngine.php.

References $matches, and $wgContLang.

SearchHighlighter::extract	(	$	text,
		$	start,
		$	end,
		&$	posStart = `null`,
		&$	posEnd = `null`
	)

Extract part of the text from start to end, but by not chopping up words.

Parameters:

$text	String
$start	Integer
$end	Integer
$posStart	Integer: (out) actual start position
$posEnd	Integer: (out) actual end position

Returns:: String

Definition at line 1208 of file SearchEngine.php.

References position().

Referenced by highlightText(), and process().

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SearchHighlighter::highlightSimple	(	$	text,
		$	terms,
		$	contextlines,
		$	contextchars
	)

Simple & fast snippet extraction, but gives completely unrelevant snippets.

Parameters:

$text	String
$terms	Array
$contextlines	Integer
$contextchars	Integer

Returns:: String

Definition at line 1363 of file SearchEngine.php.

References $fname, $lines, $wgContLang, wfProfileIn(), and wfProfileOut().

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SearchHighlighter::highlightText	(	$	text,
		$	terms,
		$	contextlines,
		$	contextchars
	)

Default implementation of wikitext highlighting.

Parameters:

$text	String
$terms	Array: terms to highlight (unescaped)
$contextlines	Integer
$contextchars	Integer

Returns:: String

Definition at line 933 of file SearchEngine.php.

References $count, $fname, $matches, $processed, $wgContLang, $wgSearchHighlightBoundaries, extract(), process(), splitAndAdd(), wfProfileIn(), and wfProfileOut().

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SearchHighlighter::linkReplace ( $ matches )

callback to replace [[target|caption]] kind of links, if the target is category or image, leave it

Parameters:

$matches Array

Definition at line 1339 of file SearchEngine.php.

References $matches, and $wgContLang.

SearchHighlighter::position	(	$	text,
		$	point,
		$	offset = `0`
	)

Find a nonletter near a point (index) in the text.

Parameters:

$text	String
$point	Integer
$offset	Integer: offset to found index

Returns:: Integer: nearest nonletter index, or beginning of utf8 char if none

Definition at line 1240 of file SearchEngine.php.

Referenced by extract().

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SearchHighlighter::process	(	$	pattern,
		$	extracts,
		&$	linesleft,
		&$	contextchars,
		&$	out,
		&$	offsets
	)

Search extracts for a pattern, and return snippets.

Parameters:

$pattern	String: regexp for matching lines
$extracts	Array: extracts to search
$linesleft	Integer: number of extracts to make
$contextchars	Integer: length of snippet
$out	Array: map for highlighted snippets
$offsets	Array: map of starting points of snippets