mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Cite
synced 2024-11-13 17:53:09 +00:00
fa7be37d15
It's possible that the output type is set to HTML when extensionSubstitution is called, but that when we eventually get unstripped, it isn't anymore. If this happens, detect it and bail out. Bug: T99787 Change-Id: I32abaefeebc5357a2ab3fd23bcd47aa9b2a1663a
1061 lines
30 KiB
PHP
1061 lines
30 KiB
PHP
<?php
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/**#@+
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* A parser extension that adds two tags, <ref> and <references> for adding
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* citations to pages
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*
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* @ingroup Extensions
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*
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* @link http://www.mediawiki.org/wiki/Extension:Cite/Cite.php Documentation
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* @link http://www.w3.org/TR/html4/struct/text.html#edef-CITE <cite> definition in HTML
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* @link http://www.w3.org/TR/2005/WD-xhtml2-20050527/mod-text.html#edef_text_cite <cite> definition in XHTML 2.0
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*
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* @bug 4579
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*
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* @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
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* @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
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* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
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*/
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/**
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* WARNING: MediaWiki core hardcodes this class name to check if the
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* Cite extension is installed. See T89151.
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*/
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class Cite {
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/**
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* @todo document
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*/
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const DEFAULT_GROUP = '';
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/**#@+
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* @access private
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*/
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/**
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* Datastructure representing <ref> input, in the format of:
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* <code>
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* array(
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* 'user supplied' => array(
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* 'text' => 'user supplied reference & key',
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* 'count' => 1, // occurs twice
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* 'number' => 1, // The first reference, we want
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* // all occourances of it to
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* // use the same number
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* ),
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* 0 => 'Anonymous reference',
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* 1 => 'Another anonymous reference',
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* 'some key' => array(
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* 'text' => 'this one occurs once'
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* 'count' => 0,
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* 'number' => 4
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* ),
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* 3 => 'more stuff'
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* );
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* </code>
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*
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* This works because:
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* * PHP's datastructures are guaranteed to be returned in the
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* order that things are inserted into them (unless you mess
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* with that)
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* * User supplied keys can't be integers, therefore avoiding
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* conflict with anonymous keys
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*
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* @var array
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**/
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public $mRefs = array();
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/**
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* Count for user displayed output (ref[1], ref[2], ...)
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*
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* @var int
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*/
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public $mOutCnt = 0;
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public $mGroupCnt = array();
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/**
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* Counter to track the total number of (useful) calls to either the
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* ref or references tag hook
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*/
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public $mCallCnt = 0;
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/**
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* The backlinks, in order, to pass as $3 to
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* 'cite_references_link_many_format', defined in
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* 'cite_references_link_many_format_backlink_labels
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*
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* @var array
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*/
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public $mBacklinkLabels;
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/**
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* The links to use per group, in order.
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*
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* @var array
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*/
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public $mLinkLabels = array();
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/**
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* @var Parser
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*/
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public $mParser;
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/**
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* True when a <ref> tag is being processed.
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* Used to avoid infinite recursion
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*
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* @var boolean
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*/
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public $mInCite = false;
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const NOT_IN_REFERENCES = 0;
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const RUNNING_REFERENCES = 1;
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const PARSING_REFERENCES = 2;
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/**
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* When parsing the contents of a <references> tag, set to Cite::PARSING_REFERENCES.
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* When performing any other operation as part of a <references> tag (such as when
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* parsing the references themselves), set to Cite::RUNNING_REFERENCES. Otherwise, set
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* to Cite::NOT_IN_REFERENCES;
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*
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* @var int
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*/
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public $mInReferences = Cite::NOT_IN_REFERENCES;
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/**
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* Error stack used when defining refs in <references>
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*
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* @var array
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*/
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public $mReferencesErrors = array();
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/**
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* Group used when in <references> block
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*
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* @var string
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*/
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public $mReferencesGroup = '';
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/**
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* Did we install us into $wgHooks yet?
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* @var Boolean
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*/
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static protected $hooksInstalled = false;
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/**#@+ @access private */
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/**
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* Callback function for <ref> that actually does the work.
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*
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* @param $str string Input
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* @param $argv array Arguments
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* @param $parser Parser
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*
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* @return string
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*/
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function unstripRef( $str, $argv, $parser ) {
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// Since we're not a function tag, we should only get expanded as HTML.
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// However, the parser might be set to HTML when we're called, but then
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// not set that way when we're unstripped. If this happens, treat it as
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// if we were already in a reference, and bail out.
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if ( $this->mInCite || !$parser->ot['html'] ) {
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return htmlspecialchars( "<ref>$str</ref>" );
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}
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$this->mCallCnt++;
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$this->mInCite = true;
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$ret = $this->guardedRef( $str, $argv, $parser );
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$this->mInCite = false;
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$parserOutput = $parser->getOutput();
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$parserOutput->addModules( 'ext.cite' );
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$parserOutput->addModuleStyles( 'ext.rtlcite' );
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return $ret;
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}
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/**
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* Callback function for <ref>. Nothing actually gets done until unstrip.
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*
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* @param $str string Input
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* @param $argv array Arguments
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* @param $parser Parser
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*
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* @return callable
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*/
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function ref( $str, $argv, $parser ) {
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$self = $this;
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return function() use( $self, $str, $argv, $parser ) {
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return $self->unstripRef( $str, $argv, $parser );
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};
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}
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/**
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* @param $str string Input
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* @param $argv array Arguments
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* @param $parser Parser
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* @param $default_group string
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* @return string
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*/
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function guardedRef( $str, $argv, $parser, $default_group = self::DEFAULT_GROUP ) {
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$this->mParser = $parser;
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# The key here is the "name" attribute.
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list( $key, $group, $follow ) = $this->refArg( $argv );
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# Split these into groups.
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if ( $group === null ) {
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if ( $this->mInReferences === Cite::PARSING_REFERENCES ) {
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$group = $this->mReferencesGroup;
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} else {
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$group = $default_group;
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}
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}
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# This section deals with constructions of the form
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#
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# <references>
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# <ref name="foo"> BAR </ref>
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# </references>
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#
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if ( $this->mInReferences === Cite::PARSING_REFERENCES ) {
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if ( $group != $this->mReferencesGroup ) {
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# <ref> and <references> have conflicting group attributes.
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$this->mReferencesErrors[] =
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$this->error( 'cite_error_references_group_mismatch', htmlspecialchars( $group ) );
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} elseif ( $str !== '' ) {
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if ( !isset( $this->mRefs[$group] ) ) {
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# Called with group attribute not defined in text.
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$this->mReferencesErrors[] =
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$this->error( 'cite_error_references_missing_group', htmlspecialchars( $group ) );
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} elseif ( $key === null || $key === '' ) {
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# <ref> calls inside <references> must be named
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$this->mReferencesErrors[] =
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$this->error( 'cite_error_references_no_key' );
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} elseif ( !isset( $this->mRefs[$group][$key] ) ) {
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# Called with name attribute not defined in text.
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$this->mReferencesErrors[] =
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$this->error( 'cite_error_references_missing_key', $key );
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} else {
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# Assign the text to corresponding ref
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$this->mRefs[$group][$key]['text'] = $str;
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}
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} else {
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# <ref> called in <references> has no content.
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$this->mReferencesErrors[] =
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$this->error( 'cite_error_empty_references_define', $key );
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}
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return '';
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}
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if ( $str === '' ) {
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# <ref ...></ref>. This construct is invalid if
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# it's a contentful ref, but OK if it's a named duplicate and should
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# be equivalent <ref ... />, for compatability with #tag.
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if ( $key == false ) {
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return $this->error( 'cite_error_ref_no_input' );
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} else {
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$str = null;
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}
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}
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if ( $key === false ) {
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# TODO: Comment this case; what does this condition mean?
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return $this->error( 'cite_error_ref_too_many_keys' );
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}
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if ( $str === null && $key === null ) {
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# Something like <ref />; this makes no sense.
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return $this->error( 'cite_error_ref_no_key' );
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}
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if ( preg_match( '/^[0-9]+$/', $key ) || preg_match( '/^[0-9]+$/', $follow ) ) {
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# Numeric names mess up the resulting id's, potentially produ-
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# cing duplicate id's in the XHTML. The Right Thing To Do
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# would be to mangle them, but it's not really high-priority
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# (and would produce weird id's anyway).
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return $this->error( 'cite_error_ref_numeric_key' );
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}
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if ( preg_match(
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'/<ref\b[^<]*?>/',
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preg_replace( '#<([^ ]+?).*?>.*?</\\1 *>|<!--.*?-->#', '', $str )
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) ) {
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# (bug 6199) This most likely implies that someone left off the
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# closing </ref> tag, which will cause the entire article to be
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# eaten up until the next <ref>. So we bail out early instead.
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# The fancy regex above first tries chopping out anything that
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# looks like a comment or SGML tag, which is a crude way to avoid
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# false alarms for <nowiki>, <pre>, etc.
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#
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# Possible improvement: print the warning, followed by the contents
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# of the <ref> tag. This way no part of the article will be eaten
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# even temporarily.
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return $this->error( 'cite_error_included_ref' );
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}
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if ( is_string( $key ) || is_string( $str ) ) {
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# We don't care about the content: if the key exists, the ref
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# is presumptively valid. Either it stores a new ref, or re-
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# fers to an existing one. If it refers to a nonexistent ref,
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# we'll figure that out later. Likewise it's definitely valid
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# if there's any content, regardless of key.
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return $this->stack( $str, $key, $group, $follow, $argv );
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}
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# Not clear how we could get here, but something is probably
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# wrong with the types. Let's fail fast.
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throw new Exception( 'Invalid $str and/or $key: ' . serialize( array( $str, $key ) ) );
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}
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/**
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* Parse the arguments to the <ref> tag
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*
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* "name" : Key of the reference.
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* "group" : Group to which it belongs. Needs to be passed to <references /> too.
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* "follow" : If the current reference is the continuation of another, key of that reference.
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*
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*
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* @param $argv array The argument vector
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* @return mixed false on invalid input, a string on valid
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* input and null on no input
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*/
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function refArg( $argv ) {
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global $wgAllowCiteGroups;
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$cnt = count( $argv );
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$group = null;
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$key = null;
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$follow = null;
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if ( $cnt > 2 ) {
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// There should only be one key or follow parameter, and one group parameter
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// FIXME : this looks inconsistent, it should probably return a tuple
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return false;
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} elseif ( $cnt >= 1 ) {
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if ( isset( $argv['name'] ) && isset( $argv['follow'] ) ) {
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return array( false, false, false );
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}
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if ( isset( $argv['name'] ) ) {
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// Key given.
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$key = Sanitizer::escapeId( $argv['name'], 'noninitial' );
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unset( $argv['name'] );
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--$cnt;
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}
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if ( isset( $argv['follow'] ) ) {
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// Follow given.
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$follow = Sanitizer::escapeId( $argv['follow'], 'noninitial' );
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unset( $argv['follow'] );
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--$cnt;
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}
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if ( isset( $argv['group'] ) ) {
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if ( !$wgAllowCiteGroups ) {
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// remove when groups are fully tested.
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return array( false );
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}
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// Group given.
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$group = $argv['group'];
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unset( $argv['group'] );
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--$cnt;
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}
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if ( $cnt == 0 ) {
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return array ( $key, $group, $follow );
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} else {
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// Invalid key
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return array( false, false, false );
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}
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} else {
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// No key
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return array( null, $group, false );
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}
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}
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/**
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* Populate $this->mRefs based on input and arguments to <ref>
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*
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* @param $str string Input from the <ref> tag
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* @param $key mixed Argument to the <ref> tag as returned by $this->refArg()
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* @param $group
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* @param $follow
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* @param $call
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*
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* @return string
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*/
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function stack( $str, $key = null, $group, $follow, $call ) {
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if ( !isset( $this->mRefs[$group] ) ) {
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$this->mRefs[$group] = array();
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}
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if ( !isset( $this->mGroupCnt[$group] ) ) {
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$this->mGroupCnt[$group] = 0;
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}
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if ( $follow != null ) {
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if ( isset( $this->mRefs[$group][$follow] ) && is_array( $this->mRefs[$group][$follow] ) ) {
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// add text to the note that is being followed
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$this->mRefs[$group][$follow]['text'] = $this->mRefs[$group][$follow]['text'] . ' ' . $str;
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} else {
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// insert part of note at the beginning of the group
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$groupsCount = count( $this->mRefs[$group] );
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for ( $k = 0; $k < $groupsCount; $k++ ) {
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if ( !isset( $this->mRefs[$group][$k]['follow'] ) ) {
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break;
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}
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}
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array_splice( $this->mRefs[$group], $k, 0,
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array( array( 'count' => - 1,
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'text' => $str,
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'key' => ++$this->mOutCnt ,
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'follow' => $follow ) ) );
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}
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// return an empty string : this is not a reference
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return '';
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}
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if ( $key === null ) {
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// No key
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// $this->mRefs[$group][] = $str;
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$this->mRefs[$group][] = array( 'count' => - 1, 'text' => $str, 'key' => ++$this->mOutCnt );
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return $this->linkRef( $group, $this->mOutCnt );
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} elseif ( is_string( $key ) ) {
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// Valid key
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if ( !isset( $this->mRefs[$group][$key] ) || !is_array( $this->mRefs[$group][$key] ) ) {
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// First occurrence
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$this->mRefs[$group][$key] = array(
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'text' => $str,
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'count' => 0,
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'key' => ++$this->mOutCnt,
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'number' => ++$this->mGroupCnt[$group]
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);
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return
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$this->linkRef(
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$group,
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$key,
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$this->mRefs[$group][$key]['key'] . "-" . $this->mRefs[$group][$key]['count'],
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$this->mRefs[$group][$key]['number'],
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"-" . $this->mRefs[$group][$key]['key']
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);
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} else {
|
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// We've been here before
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if ( $this->mRefs[$group][$key]['text'] === null && $str !== '' ) {
|
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// If no text found before, use this text
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$this->mRefs[$group][$key]['text'] = $str;
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}
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return
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$this->linkRef(
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$group,
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$key,
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$this->mRefs[$group][$key]['key'] . "-" . ++$this->mRefs[$group][$key]['count'],
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$this->mRefs[$group][$key]['number'],
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"-" . $this->mRefs[$group][$key]['key']
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);
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}
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} else {
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throw new Exception( 'Invalid stack key: ' . serialize( $key ) );
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}
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}
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|
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/**
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* Callback function for <references> that actually does the work.
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*
|
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* @param $str string Input
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|
* @param $argv array Arguments
|
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* @param $parser Parser
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*
|
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* @return string
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*/
|
|
function unstripReferences( $str, $argv, $parser ) {
|
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// Since we're not a function tag, we should only get expanded as HTML.
|
|
// However, the parser might be set to HTML when we're called, but then
|
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// not set that way when we're unstripped. If this happens, treat it as
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// if we were already in a reference, and bail out.
|
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if ( $this->mInCite || $this->mInReferences || !$parser->ot['html'] ) {
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if ( is_null( $str ) ) {
|
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return htmlspecialchars( "<references/>" );
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} else {
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return htmlspecialchars( "<references>$str</references>" );
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}
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} else {
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$this->mCallCnt++;
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$this->mInReferences = Cite::RUNNING_REFERENCES;
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$ret = $this->guardedReferences( $str, $argv, $parser );
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$this->mInReferences = Cite::NOT_IN_REFERENCES;
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return $ret;
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}
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}
|
|
|
|
/**
|
|
* Callback function for <references>. Nothing actually gets done until unstrip.
|
|
*
|
|
* @param $str string Input
|
|
* @param $argv array Arguments
|
|
* @param $parser Parser
|
|
*
|
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* @return callable
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*/
|
|
function references( $str, $argv, $parser ) {
|
|
$self = $this;
|
|
return function() use( $self, $str, $argv, $parser ) {
|
|
return $self->unstripReferences( $str, $argv, $parser );
|
|
};
|
|
}
|
|
|
|
/**
|
|
* @param $str string
|
|
* @param $argv array
|
|
* @param $parser Parser
|
|
* @param $group string
|
|
* @return string
|
|
*/
|
|
function guardedReferences( $str, $argv, $parser, $group = self::DEFAULT_GROUP ) {
|
|
global $wgAllowCiteGroups;
|
|
|
|
$this->mParser = $parser;
|
|
|
|
if ( isset( $argv['group'] ) && $wgAllowCiteGroups ) {
|
|
$group = $argv['group'];
|
|
unset ( $argv['group'] );
|
|
}
|
|
|
|
if ( strval( $str ) !== '' ) {
|
|
$this->mReferencesGroup = $group;
|
|
|
|
# Parse $str to process any unparsed <ref> tags.
|
|
$this->mInReferences = Cite::PARSING_REFERENCES;
|
|
$parser->mStripState->unstripGeneral( $parser->recursiveTagParse( $str ) );
|
|
$this->mInReferences = Cite::RUNNING_REFERENCES;
|
|
}
|
|
|
|
if ( count( $argv ) && $wgAllowCiteGroups ) {
|
|
return $this->error( 'cite_error_references_invalid_parameters_group' );
|
|
} elseif ( count( $argv ) ) {
|
|
return $this->error( 'cite_error_references_invalid_parameters' );
|
|
} else {
|
|
$s = $this->referencesFormat( $group );
|
|
if ( $parser->getOptions()->getIsSectionPreview() ) {
|
|
return $s;
|
|
}
|
|
|
|
# Append errors generated while processing <references>
|
|
if ( count( $this->mReferencesErrors ) > 0 ) {
|
|
$s .= "\n" . implode( "<br />\n", $this->mReferencesErrors );
|
|
$this->mReferencesErrors = array();
|
|
}
|
|
return $s;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Make output to be returned from the references() function
|
|
*
|
|
* @param $group
|
|
*
|
|
* @return string XHTML ready for output
|
|
*/
|
|
function referencesFormat( $group ) {
|
|
if ( ( count( $this->mRefs ) == 0 ) || ( empty( $this->mRefs[$group] ) ) ) {
|
|
return '';
|
|
}
|
|
|
|
wfProfileIn( __METHOD__ . '-entries' );
|
|
$ent = array();
|
|
foreach ( $this->mRefs[$group] as $k => $v ) {
|
|
$ent[] = $this->referencesFormatEntry( $k, $v );
|
|
}
|
|
|
|
$prefix = wfMessage( 'cite_references_prefix' )->inContentLanguage()->plain();
|
|
$suffix = wfMessage( 'cite_references_suffix' )->inContentLanguage()->plain();
|
|
$content = implode( "\n", $ent );
|
|
|
|
// Prepare the parser input.
|
|
// We add new lines between the pieces to avoid a confused tidy (bug 13073).
|
|
$parserInput = $prefix . "\n" . $content . "\n" . $suffix;
|
|
|
|
// Let's try to cache it.
|
|
global $wgMemc;
|
|
$cacheKey = wfMemcKey( 'citeref', md5( $parserInput ), $this->mParser->Title()->getArticleID() );
|
|
|
|
wfProfileOut( __METHOD__ . '-entries' );
|
|
|
|
global $wgCiteCacheReferences;
|
|
$data = false;
|
|
if ( $wgCiteCacheReferences ) {
|
|
wfProfileIn( __METHOD__ . '-cache-get' );
|
|
$data = $wgMemc->get( $cacheKey );
|
|
wfProfileOut( __METHOD__ . '-cache-get' );
|
|
}
|
|
|
|
if ( !$data || !$this->mParser->isValidHalfParsedText( $data ) ) {
|
|
wfProfileIn( __METHOD__ . '-parse' );
|
|
|
|
// Live hack: parse() adds two newlines on WM, can't reproduce it locally -ævar
|
|
$ret = rtrim( $this->mParser->recursiveTagParse( $parserInput ), "\n" );
|
|
|
|
if ( $wgCiteCacheReferences ) {
|
|
$serData = $this->mParser->serializeHalfParsedText( $ret );
|
|
$wgMemc->set( $cacheKey, $serData, 86400 );
|
|
}
|
|
|
|
wfProfileOut( __METHOD__ . '-parse' );
|
|
} else {
|
|
$ret = $this->mParser->unserializeHalfParsedText( $data );
|
|
}
|
|
|
|
// done, clean up so we can reuse the group
|
|
unset( $this->mRefs[$group] );
|
|
unset( $this->mGroupCnt[$group] );
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Format a single entry for the referencesFormat() function
|
|
*
|
|
* @param string $key The key of the reference
|
|
* @param mixed $val The value of the reference, string for anonymous
|
|
* references, array for user-suppplied
|
|
* @return string Wikitext
|
|
*/
|
|
function referencesFormatEntry( $key, $val ) {
|
|
// Anonymous reference
|
|
if ( !is_array( $val ) ) {
|
|
return wfMessage(
|
|
'cite_references_link_one',
|
|
$this->referencesKey( $key ),
|
|
$this->refKey( $key ),
|
|
$this->referenceText( $key, $val )
|
|
)->inContentLanguage()->plain();
|
|
}
|
|
$text = $this->referenceText( $key, $val['text'] );
|
|
if ( isset( $val['follow'] ) ) {
|
|
return wfMessage(
|
|
'cite_references_no_link',
|
|
$this->referencesKey( $val['follow'] ),
|
|
$text
|
|
)->inContentLanguage()->plain();
|
|
} elseif ( !isset( $val['text'] ) ) {
|
|
return wfMessage(
|
|
'cite_references_link_one',
|
|
$this->referencesKey( $key ),
|
|
$this->refKey( $key, $val['count'] ),
|
|
$text
|
|
)->inContentLanguage()->plain();
|
|
}
|
|
|
|
if ( $val['count'] < 0 ) {
|
|
return wfMessage(
|
|
'cite_references_link_one',
|
|
$this->referencesKey( $val['key'] ),
|
|
# $this->refKey( $val['key'], $val['count'] ),
|
|
$this->refKey( $val['key'] ),
|
|
$text
|
|
)->inContentLanguage()->plain();
|
|
// Standalone named reference, I want to format this like an
|
|
// anonymous reference because displaying "1. 1.1 Ref text" is
|
|
// overkill and users frequently use named references when they
|
|
// don't need them for convenience
|
|
} elseif ( $val['count'] === 0 ) {
|
|
return wfMessage(
|
|
'cite_references_link_one',
|
|
$this->referencesKey( $key . "-" . $val['key'] ),
|
|
# $this->refKey( $key, $val['count'] ),
|
|
$this->refKey( $key, $val['key'] . "-" . $val['count'] ),
|
|
$text
|
|
)->inContentLanguage()->plain();
|
|
// Named references with >1 occurrences
|
|
} else {
|
|
$links = array();
|
|
// for group handling, we have an extra key here.
|
|
for ( $i = 0; $i <= $val['count']; ++$i ) {
|
|
$links[] = wfMessage(
|
|
'cite_references_link_many_format',
|
|
$this->refKey( $key, $val['key'] . "-$i" ),
|
|
$this->referencesFormatEntryNumericBacklinkLabel( $val['number'], $i, $val['count'] ),
|
|
$this->referencesFormatEntryAlternateBacklinkLabel( $i )
|
|
)->inContentLanguage()->plain();
|
|
}
|
|
|
|
$list = $this->listToText( $links );
|
|
|
|
return wfMessage( 'cite_references_link_many',
|
|
$this->referencesKey( $key . "-" . $val['key'] ),
|
|
$list,
|
|
$text
|
|
)->inContentLanguage()->plain();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns formatted reference text
|
|
* @param String $key
|
|
* @param String $text
|
|
* @return String
|
|
*/
|
|
function referenceText( $key, $text ) {
|
|
if ( !isset( $text ) || $text === '' ) {
|
|
return $this->error( 'cite_error_references_no_text', $key, 'noparse' );
|
|
}
|
|
return '<span class="reference-text">' . rtrim( $text, "\n" ) . "</span>\n";
|
|
}
|
|
|
|
/**
|
|
* Generate a numeric backlink given a base number and an
|
|
* offset, e.g. $base = 1, $offset = 2; = 1.2
|
|
* Since bug #5525, it correctly does 1.9 -> 1.10 as well as 1.099 -> 1.100
|
|
*
|
|
* @static
|
|
*
|
|
* @param int $base The base
|
|
* @param int $offset The offset
|
|
* @param int $max Maximum value expected.
|
|
* @return string
|
|
*/
|
|
function referencesFormatEntryNumericBacklinkLabel( $base, $offset, $max ) {
|
|
global $wgContLang;
|
|
$scope = strlen( $max );
|
|
$ret = $wgContLang->formatNum(
|
|
sprintf( "%s.%0{$scope}s", $base, $offset )
|
|
);
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Generate a custom format backlink given an offset, e.g.
|
|
* $offset = 2; = c if $this->mBacklinkLabels = array( 'a',
|
|
* 'b', 'c', ...). Return an error if the offset > the # of
|
|
* array items
|
|
*
|
|
* @param int $offset The offset
|
|
*
|
|
* @return string
|
|
*/
|
|
function referencesFormatEntryAlternateBacklinkLabel( $offset ) {
|
|
if ( !isset( $this->mBacklinkLabels ) ) {
|
|
$this->genBacklinkLabels();
|
|
}
|
|
if ( isset( $this->mBacklinkLabels[$offset] ) ) {
|
|
return $this->mBacklinkLabels[$offset];
|
|
} else {
|
|
// Feed me!
|
|
return $this->error( 'cite_error_references_no_backlink_label', null, 'noparse' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generate a custom format link for a group given an offset, e.g.
|
|
* the second <ref group="foo"> is b if $this->mLinkLabels["foo"] =
|
|
* array( 'a', 'b', 'c', ...).
|
|
* Return an error if the offset > the # of array items
|
|
*
|
|
* @param int $offset The offset
|
|
* @param string $group The group name
|
|
* @param string $label The text to use if there's no message for them.
|
|
*
|
|
* @return string
|
|
*/
|
|
function getLinkLabel( $offset, $group, $label ) {
|
|
$message = "cite_link_label_group-$group";
|
|
if ( !isset( $this->mLinkLabels[$group] ) ) {
|
|
$this->genLinkLabels( $group, $message );
|
|
}
|
|
if ( $this->mLinkLabels[$group] === false ) {
|
|
// Use normal representation, ie. "$group 1", "$group 2"...
|
|
return $label;
|
|
}
|
|
|
|
if ( isset( $this->mLinkLabels[$group][$offset - 1] ) ) {
|
|
return $this->mLinkLabels[$group][$offset - 1];
|
|
} else {
|
|
// Feed me!
|
|
return $this->error( 'cite_error_no_link_label_group', array( $group, $message ), 'noparse' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return an id for use in wikitext output based on a key and
|
|
* optionally the number of it, used in <references>, not <ref>
|
|
* (since otherwise it would link to itself)
|
|
*
|
|
* @static
|
|
*
|
|
* @param string $key The key
|
|
* @param int $num The number of the key
|
|
* @return string A key for use in wikitext
|
|
*/
|
|
function refKey( $key, $num = null ) {
|
|
$prefix = wfMessage( 'cite_reference_link_prefix' )->inContentLanguage()->text();
|
|
$suffix = wfMessage( 'cite_reference_link_suffix' )->inContentLanguage()->text();
|
|
if ( isset( $num ) ) {
|
|
$key = wfMessage( 'cite_reference_link_key_with_num', $key, $num )
|
|
->inContentLanguage()->plain();
|
|
}
|
|
|
|
return "$prefix$key$suffix";
|
|
}
|
|
|
|
/**
|
|
* Return an id for use in wikitext output based on a key and
|
|
* optionally the number of it, used in <ref>, not <references>
|
|
* (since otherwise it would link to itself)
|
|
*
|
|
* @static
|
|
*
|
|
* @param string $key The key
|
|
* @param int $num The number of the key
|
|
* @return string A key for use in wikitext
|
|
*/
|
|
function referencesKey( $key, $num = null ) {
|
|
$prefix = wfMessage( 'cite_references_link_prefix' )->inContentLanguage()->text();
|
|
$suffix = wfMessage( 'cite_references_link_suffix' )->inContentLanguage()->text();
|
|
if ( isset( $num ) ) {
|
|
$key = wfMessage( 'cite_reference_link_key_with_num', $key, $num )
|
|
->inContentLanguage()->plain();
|
|
}
|
|
|
|
return "$prefix$key$suffix";
|
|
}
|
|
|
|
/**
|
|
* Generate a link (<sup ...) for the <ref> element from a key
|
|
* and return XHTML ready for output
|
|
*
|
|
* @param $group
|
|
* @param $key string The key for the link
|
|
* @param $count int The index of the key, used for distinguishing
|
|
* multiple occurrences of the same key
|
|
* @param $label int The label to use for the link, I want to
|
|
* use the same label for all occourances of
|
|
* the same named reference.
|
|
* @param $subkey string
|
|
*
|
|
* @return string
|
|
*/
|
|
function linkRef( $group, $key, $count = null, $label = null, $subkey = '' ) {
|
|
global $wgContLang;
|
|
$label = is_null( $label ) ? ++$this->mGroupCnt[$group] : $label;
|
|
|
|
return
|
|
$this->mParser->recursiveTagParse(
|
|
wfMessage(
|
|
'cite_reference_link',
|
|
$this->refKey( $key, $count ),
|
|
$this->referencesKey( $key . $subkey ),
|
|
$this->getLinkLabel( $label, $group,
|
|
( ( $group == self::DEFAULT_GROUP ) ? '' : "$group " ) . $wgContLang->formatNum( $label ) )
|
|
)->inContentLanguage()->plain()
|
|
);
|
|
}
|
|
|
|
/**
|
|
* This does approximately the same thing as
|
|
* Language::listToText() but due to this being used for a
|
|
* slightly different purpose (people might not want , as the
|
|
* first separator and not 'and' as the second, and this has to
|
|
* use messages from the content language) I'm rolling my own.
|
|
*
|
|
* @static
|
|
*
|
|
* @param array $arr The array to format
|
|
* @return string
|
|
*/
|
|
function listToText( $arr ) {
|
|
$cnt = count( $arr );
|
|
|
|
$sep = wfMessage( 'cite_references_link_many_sep' )->inContentLanguage()->plain();
|
|
$and = wfMessage( 'cite_references_link_many_and' )->inContentLanguage()->plain();
|
|
|
|
if ( $cnt == 1 ) {
|
|
// Enforce always returning a string
|
|
return (string)$arr[0];
|
|
} else {
|
|
$t = array_slice( $arr, 0, $cnt - 1 );
|
|
return implode( $sep, $t ) . $and . $arr[$cnt - 1];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generate the labels to pass to the
|
|
* 'cite_references_link_many_format' message, the format is an
|
|
* arbitrary number of tokens separated by [\t\n ]
|
|
*/
|
|
function genBacklinkLabels() {
|
|
$text = wfMessage( 'cite_references_link_many_format_backlink_labels' )
|
|
->inContentLanguage()->plain();
|
|
$this->mBacklinkLabels = preg_split( '#[\n\t ]#', $text );
|
|
}
|
|
|
|
/**
|
|
* Generate the labels to pass to the
|
|
* 'cite_reference_link' message instead of numbers, the format is an
|
|
* arbitrary number of tokens separated by [\t\n ]
|
|
*
|
|
* @param $group
|
|
* @param $message
|
|
*/
|
|
function genLinkLabels( $group, $message ) {
|
|
$text = false;
|
|
$msg = wfMessage( $message )->inContentLanguage();
|
|
if ( $msg->exists() ) {
|
|
$text = $msg->plain();
|
|
}
|
|
$this->mLinkLabels[$group] = ( !$text ) ? false : preg_split( '#[\n\t ]#', $text );
|
|
}
|
|
|
|
/**
|
|
* Gets run when Parser::clearState() gets run, since we don't
|
|
* want the counts to transcend pages and other instances
|
|
*
|
|
* @param $parser Parser
|
|
*
|
|
* @return bool
|
|
*/
|
|
function clearState( &$parser ) {
|
|
if ( $parser->extCite !== $this ) {
|
|
return $parser->extCite->clearState( $parser );
|
|
}
|
|
|
|
# Don't clear state when we're in the middle of parsing
|
|
# a <ref> tag
|
|
if ( $this->mInCite || $this->mInReferences ) {
|
|
return true;
|
|
}
|
|
|
|
$this->mGroupCnt = array();
|
|
$this->mOutCnt = 0;
|
|
$this->mCallCnt = 0;
|
|
$this->mRefs = array();
|
|
$this->mReferencesErrors = array();
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Gets run when the parser is cloned.
|
|
*
|
|
* @param $parser Parser
|
|
*
|
|
* @return bool
|
|
*/
|
|
function cloneState( $parser ) {
|
|
if ( $parser->extCite !== $this ) {
|
|
return $parser->extCite->cloneState( $parser );
|
|
}
|
|
|
|
$parser->extCite = clone $this;
|
|
$parser->setHook( 'ref', array( $parser->extCite, 'ref' ) );
|
|
$parser->setHook( 'references', array( $parser->extCite, 'references' ) );
|
|
|
|
// Clear the state, making sure it will actually work.
|
|
$parser->extCite->mInCite = false;
|
|
$parser->extCite->mInReferences = Cite::NOT_IN_REFERENCES;
|
|
$parser->extCite->clearState( $parser );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Called at the end of page processing to append an error if refs were
|
|
* used without a references tag.
|
|
*
|
|
* @param $parser Parser
|
|
* @param $text string
|
|
*
|
|
* @return bool
|
|
*/
|
|
function checkRefsNoReferences( &$parser, &$text ) {
|
|
if ( $parser->extCite !== $this ) {
|
|
return $parser->extCite->checkRefsNoReferences( $parser, $text );
|
|
}
|
|
|
|
if ( $parser->getOptions()->getIsSectionPreview() ) {
|
|
return true;
|
|
}
|
|
|
|
foreach ( $this->mRefs as $group => $refs ) {
|
|
if ( count( $refs ) == 0 ) {
|
|
continue;
|
|
}
|
|
if ( $group == self::DEFAULT_GROUP ) {
|
|
$text .= $this->referencesFormat( $group, '', '' );
|
|
} else {
|
|
$text .= "\n<br />" .
|
|
$this->error( 'cite_error_group_refs_without_references', htmlspecialchars( $group ) );
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Hook for the InlineEditor extension.
|
|
* If any ref or reference reference tag is in the text,
|
|
* the entire page should be reparsed, so we return false in that case.
|
|
*
|
|
* @param $output
|
|
*
|
|
* @return bool
|
|
*/
|
|
function checkAnyCalls( &$output ) {
|
|
global $wgParser;
|
|
/* InlineEditor always uses $wgParser */
|
|
return ( $wgParser->extCite->mCallCnt <= 0 );
|
|
}
|
|
|
|
/**
|
|
* Initialize the parser hooks
|
|
*
|
|
* @param $parser Parser
|
|
*
|
|
* @return bool
|
|
*/
|
|
static function setHooks( $parser ) {
|
|
global $wgHooks;
|
|
|
|
$parser->extCite = new self();
|
|
|
|
if ( !Cite::$hooksInstalled ) {
|
|
$wgHooks['ParserClearState'][] = array( $parser->extCite, 'clearState' );
|
|
$wgHooks['ParserCloned'][] = array( $parser->extCite, 'cloneState' );
|
|
$wgHooks['ParserAfterUnstrip'][] = array( $parser->extCite, 'checkRefsNoReferences' );
|
|
$wgHooks['InlineEditorPartialAfterParse'][] = array( $parser->extCite, 'checkAnyCalls' );
|
|
Cite::$hooksInstalled = true;
|
|
}
|
|
$parser->setHook( 'ref', array( $parser->extCite, 'ref' ) );
|
|
$parser->setHook( 'references', array( $parser->extCite, 'references' ) );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Return an error message based on an error ID
|
|
*
|
|
* @param string $key Message name for the error
|
|
* @param string $param Parameter to pass to the message
|
|
* @param string $parse Whether to parse the message ('parse') or not ('noparse')
|
|
* @return string XHTML or wikitext ready for output
|
|
*/
|
|
function error( $key, $param = null, $parse = 'parse' ) {
|
|
# We rely on the fact that PHP is okay with passing unused argu-
|
|
# ments to functions. If $1 is not used in the message, wfMessage will
|
|
# just ignore the extra parameter.
|
|
$msg = wfMessage( 'cite_error', wfMessage( $key, $param )->inContentLanguage()->plain() )
|
|
->inContentLanguage()
|
|
->plain();
|
|
|
|
$ret = '<strong class="error mw-ext-cite-error">' . $msg . '</strong>';
|
|
|
|
if ( $parse == 'parse' ) {
|
|
$ret = $this->mParser->recursiveTagParse( $ret );
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**#@-*/
|
|
}
|