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Add Delimiters class.

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This commit is contained in:
Daniel Kraus
2017-08-26 22:01:52 +02:00
parent 51fe6b3910
commit 4d5554a74e
5 changed files with 238 additions and 87 deletions
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98
includes/Extension.php
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@ -45,22 +45,9 @@ class Extension {
/// as a string.
private static $targetTitleText;
/// Delimiter used in a regexp split operation to seperate those parts
/// of the page that should be parsed from those that should not be
/// parsed (e.g. inside pre-existing links etc.).
private static $delimiter;
private static $wordStartDelim;
private static $wordEndDelim;
public static $ltConsoleOutput;
public static $ltConsoleOutputDebug;
/// Setup method
public static function setup() {
self::BuildDelimiters();
}
/// Event handler that is hooked to the PageContentSave event.
public static function onPageContentSave( &$wikiPage, &$user, &$content, &$summary,
$isMinor, $isWatch, $section, &$flags, &$status ) {
@ -120,7 +107,9 @@ class Extension {
self::$currentTitle = $title;
$newText = $text;
$targets = Targets::default( $title, new Config() );
$config = new Config();
$delimiters = Delimiters::default( $config );
$targets = Targets::default( $title, $config );
// Iterate through the page titles
foreach( $targets->queryResult as $row ) {
@ -132,7 +121,7 @@ class Extension {
// split the page content by [[...]] groups
// credits to inhan @ StackOverflow for suggesting preg_split
// see http://stackoverflow.com/questions/10672286
$arr = preg_split( self::$delimiter, $newText, -1, PREG_SPLIT_DELIM_CAPTURE );
$arr = preg_split( $delimiters->splitter, $newText, -1, PREG_SPLIT_DELIM_CAPTURE );
// Escape certain special characters in the page title to prevent
// regexp compilation errors
@ -146,20 +135,19 @@ class Extension {
// the title has to be searched for either in a strictly case-sensitive
// way, or in a 'fuzzy' way where the first letter of the title may
// be either case.
if ( $wgCapitalLinks && ( $quotedTitle[0] != '\\' )) {
if ( $config->capitalLinks && ( $quotedTitle[0] != '\\' )) {
$searchTerm = '((?i)' . $quotedTitle[0] . '(?-i)' .
substr($quotedTitle, 1) . ')';
} else {
$searchTerm = '(' . $quotedTitle . ')';
}
$regex = '/(?<![\:\.\@\/\?\&])' . self::$wordStartDelim .
$searchTerm . self::$wordEndDelim . '/S';
$regex = '/(?<![\:\.\@\/\?\&])' . $delimiters->wordStart . $searchTerm . $delimiters->wordEnd . '/S';
for ( $i = 0; $i < count( $arr ); $i+=2 ) {
// even indexes will point to text that is not enclosed by brackets
$arr[$i] = preg_replace_callback( $regex,
'LinkTitles\Extension::simpleModeCallback', $arr[$i], $limit, $count );
if ( $wgLinkTitlesFirstOnly && ( $count > 0 ) ) {
if ( $config->firstOnly && ( $count > 0 ) ) {
$limitReached = true;
break;
};
@ -169,16 +157,16 @@ class Extension {
// If smart mode is turned on, the extension will perform a second
// pass on the page and add links with aliases where the case does
// not match.
if ( $wgLinkTitlesSmartMode && !$limitReached ) {
$arr = preg_split( self::$delimiter, $newText, -1, PREG_SPLIT_DELIM_CAPTURE );
if ( $config->smartMode && !$limitReached ) {
$arr = preg_split( $delimiters->splitter, $newText, -1, PREG_SPLIT_DELIM_CAPTURE );
for ( $i = 0; $i < count( $arr ); $i+=2 ) {
// even indexes will point to text that is not enclosed by brackets
$arr[$i] = preg_replace_callback( '/(?<![\:\.\@\/\?\&])' .
self::$wordStartDelim . '(' . $quotedTitle . ')' .
self::$wordEndDelim . '/iS', 'LinkTitles\Extension::smartModeCallback',
$delimiters->wordStart . '(' . $quotedTitle . ')' .
$delimiters->wordEnd . '/iS', 'LinkTitles\Extension::smartModeCallback',
$arr[$i], $limit, $count );
if ( $wgLinkTitlesFirstOnly && ( $count > 0 )) {
if ( $config->firstOnly && ( $count > 0 )) {
break;
};
};
@ -368,68 +356,6 @@ class Extension {
return true;
}
/// Builds the delimiter that is used in a regexp to separate
/// text that should be parsed from text that should not be
/// parsed (e.g. inside existing links etc.)
private static function BuildDelimiters() {
// Configuration variables need to be defined here as globals.
global $wgLinkTitlesParseHeadings;
global $wgLinkTitlesSkipTemplates;
global $wgLinkTitlesWordStartOnly;
global $wgLinkTitlesWordEndOnly;
// Use unicode character properties rather than \b escape sequences
// to detect whole words containing non-ASCII characters as well.
// Note that this requires a PCRE library that was compiled with
// --enable-unicode-properties
( $wgLinkTitlesWordStartOnly ) ? self::$wordStartDelim = '(?<!\pL)' : self::$wordStartDelim = '';
( $wgLinkTitlesWordEndOnly ) ? self::$wordEndDelim = '(?!\pL)' : self::$wordEndDelim = '';
if ( $wgLinkTitlesSkipTemplates )
{
// Use recursive regex to balance curly braces;
// see http://www.regular-expressions.info/recurse.html
$templatesDelimiter = '{{(?>[^{}]|(?R))*}}|';
} else {
// Match template names (ignoring any piped [[]] links in them)
// along with the trailing pipe and parameter name or closing
// braces; also match sequences of '|wordcharacters=' (without
// spaces in them) that usually only occur as parameter names in
// transclusions (but could also occur as wiki table cell contents).
// TODO: Find a way to match parameter names in transclusions, but
// not in table cells or other sequences involving a pipe character
// and equal sign.
$templatesDelimiter = '{{[^|]*?(?:(?:\[\[[^]]+]])?)[^|]*?(?:\|(?:\w+=)?|(?:}}))|\|\w+=|';
}
// Build a regular expression that will capture existing wiki links ("[[...]]"),
// wiki headings ("= ... =", "== ... ==" etc.),
// urls ("http://example.com", "[http://example.com]", "[http://example.com Description]",
// and email addresses ("mail@example.com").
// Since there is a user option to skip headings, we make this part of the expression
// optional. Note that in order to use preg_split(), it is important to have only one
// capturing subpattern (which precludes the use of conditional subpatterns).
( $wgLinkTitlesParseHeadings ) ? $delimiter = '' : $delimiter = '=+.+?=+|';
$urlPattern = '[a-z]+?\:\/\/(?:\S+\.)+\S+(?:\/.*)?';
self::$delimiter = '/(' . // exclude from linking:
'\[\[.*?\]\]|' . // links
$delimiter . // titles (if requested)
$templatesDelimiter . // templates (if requested)
'^ .+?\n|\n .+?\n|\n .+?$|^ .+?$|' . // preformatted text
'<nowiki>.*?<.nowiki>|<code>.*?<\/code>|' . // nowiki/code
'<pre>.*?<\/pre>|<html>.*?<\/html>|' . // pre/html
'<script>.*?<\/script>|' . // script
'<gallery>.*?<\/gallery>|' . // gallery
'<div.+?>|<\/div>|' . // attributes of div elements
'<span.+?>|<\/span>|' . // attributes of span elements
'<file>[^<]*<\/file>|' . // stuff inside file elements
'style=".+?"|class=".+?"|' . // styles and classes (e.g. of wikitables)
'<noautolinks>.*?<\/noautolinks>|' . // custom tag 'noautolinks'
'\[' . $urlPattern . '\s.+?\]|'. $urlPattern . '(?=\s|$)|' . // urls
'(?<=\b)\S+\@(?:\S+\.)+\S+(?=\b)' . // email addresses
')/ismS';
}
/// Local Debugging output function which can send output to console as well
public static function ltDebugLog($text) {
if ( self::$ltConsoleOutputDebug ) {