wikimedia/mediawiki-extensions-Cite
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Avoid infinite recursion on e.g. <ref><references/></ref>

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This commit is contained in:
Tim Starling 2006-04-16 06:22:42 +00:00
parent 59076cad46
commit 4b43c3c155
1 changed files with 34 additions and 0 deletions
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34
Cite.php
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@ -178,6 +178,14 @@ function wfCite() {
*/
var $mParser;
/**
* True when a <ref> or <references> tag is being processed.
* Used to avoid infinite recursion
*
* @var boolean
*/
var $mInCite = false;
/**#@-*/
/**
@ -198,6 +206,17 @@ function wfCite() {
* @return string
*/
function ref( $str, $argv, $parser ) {
if ( $this->mInCite ) {
return htmlspecialchars( "<ref>$str</ref>" );
} else {
$this->mInCite = true;
$ret = $this->guardedRef( $str, $argv, $parser );
$this->mInCite = false;
return $ret;
}
}
function guardedRef( $str, $argv, $parser ) {
$this->mParser = $parser;
$key = $this->refArg( $argv );
@ -310,6 +329,21 @@ function wfCite() {
* @return string
*/
function references( $str, $argv, $parser ) {
if ( $this->mInCite ) {
if ( is_null( $str ) ) {
return htmlspecialchars( "<references/>" );
} else {
return htmlspecialchars( "<references>$str</references>" );
}
} else {
$this->mInCite = true;
$ret = $this->guardedReferences( $str, $argv, $parser );
$this->mInCite = false;
return $ret;
}
}
function guardedReferences( $str, $argv, $parser ) {
$this->mParser = $parser;
if ( $str !== null )
return $this->error( CITE_ERROR_REFERENCES_INVALID_INPUT );