mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/CategoryTree
synced 2024-11-27 09:43:06 +00:00
334 lines
8.1 KiB
PHP
334 lines
8.1 KiB
PHP
<?php
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/**
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* © 2006-2007 Daniel Kinzler
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Extensions
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* @author Daniel Kinzler, brightbyte.de
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*/
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namespace MediaWiki\Extension\CategoryTree;
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use Exception;
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use FormatJson;
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use MediaWiki\MediaWikiServices;
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/**
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* Core functions to handle the options
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*/
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class OptionManager {
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/** @var array */
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private $mOptions = [];
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/**
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* @param array $options
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*/
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public function __construct( array $options ) {
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global $wgCategoryTreeDefaultOptions;
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// ensure default values and order of options.
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// Order may become important, it may influence the cache key!
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foreach ( $wgCategoryTreeDefaultOptions as $option => $default ) {
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$this->mOptions[$option] = $options[$option] ?? $default;
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}
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$this->mOptions['mode'] = self::decodeMode( $this->mOptions['mode'] );
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if ( $this->mOptions['mode'] === CategoryTreeMode::PARENTS ) {
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// namespace filter makes no sense with CategoryTreeMode::PARENTS
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$this->mOptions['namespaces'] = false;
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}
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$this->mOptions['hideprefix'] = self::decodeHidePrefix( $this->mOptions['hideprefix'] );
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$this->mOptions['showcount'] = self::decodeBoolean( $this->mOptions['showcount'] );
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$this->mOptions['namespaces'] = self::decodeNamespaces( $this->mOptions['namespaces'] );
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if ( $this->mOptions['namespaces'] ) {
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# automatically adjust mode to match namespace filter
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if ( count( $this->mOptions['namespaces'] ) === 1
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&& $this->mOptions['namespaces'][0] === NS_CATEGORY ) {
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$this->mOptions['mode'] = CategoryTreeMode::CATEGORIES;
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} elseif ( !in_array( NS_FILE, $this->mOptions['namespaces'] ) ) {
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$this->mOptions['mode'] = CategoryTreeMode::PAGES;
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} else {
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$this->mOptions['mode'] = CategoryTreeMode::ALL;
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}
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}
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}
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/**
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* @return array
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*/
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public function getOptions() {
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return $this->mOptions;
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}
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/**
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* @param string $name
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* @return mixed
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*/
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public function getOption( $name ) {
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return $this->mOptions[$name];
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}
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/**
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* @return bool
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*/
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public function isInverse() {
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return $this->getOption( 'mode' ) === CategoryTreeMode::PARENTS;
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}
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/**
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* @param mixed $nn
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* @return array|bool
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*/
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private static function decodeNamespaces( $nn ) {
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if ( $nn === false || $nn === null ) {
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return false;
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}
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if ( !is_array( $nn ) ) {
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$nn = preg_split( '![\s#:|]+!', $nn );
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}
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$namespaces = [];
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$contLang = MediaWikiServices::getInstance()->getContentLanguage();
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foreach ( $nn as $n ) {
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if ( is_int( $n ) ) {
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$ns = $n;
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} else {
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$n = trim( $n );
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if ( $n === '' ) {
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continue;
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}
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$lower = strtolower( $n );
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if ( is_numeric( $n ) ) {
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$ns = (int)$n;
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} elseif ( $n === '-' || $n === '_' || $n === '*' || $lower === 'main' ) {
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$ns = NS_MAIN;
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} else {
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$ns = $contLang->getNsIndex( $n );
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}
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}
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if ( is_int( $ns ) ) {
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$namespaces[] = $ns;
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}
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}
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# get elements into canonical order
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sort( $namespaces );
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return $namespaces;
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}
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/**
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* @param mixed $mode
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* @return int|string
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*/
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private static function decodeMode( $mode ) {
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global $wgCategoryTreeDefaultOptions;
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if ( $mode === null ) {
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return $wgCategoryTreeDefaultOptions['mode'];
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}
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if ( is_int( $mode ) ) {
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return $mode;
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}
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$mode = trim( strtolower( $mode ) );
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if ( is_numeric( $mode ) ) {
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return (int)$mode;
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}
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if ( $mode === 'all' ) {
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$mode = CategoryTreeMode::ALL;
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} elseif ( $mode === 'pages' ) {
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$mode = CategoryTreeMode::PAGES;
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} elseif ( $mode === 'categories' || $mode === 'sub' ) {
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$mode = CategoryTreeMode::CATEGORIES;
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} elseif ( $mode === 'parents' || $mode === 'super' || $mode === 'inverse' ) {
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$mode = CategoryTreeMode::PARENTS;
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} elseif ( $mode === 'default' ) {
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$mode = $wgCategoryTreeDefaultOptions['mode'];
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}
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return (int)$mode;
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}
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/**
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* Helper function to convert a string to a boolean value.
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* Perhaps make this a global function in MediaWiki proper
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* @param mixed $value
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* @return bool|null|string
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*/
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public static function decodeBoolean( $value ) {
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if ( $value === null ) {
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return null;
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}
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if ( is_bool( $value ) ) {
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return $value;
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}
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if ( is_int( $value ) ) {
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return ( $value > 0 );
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}
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$value = trim( strtolower( $value ) );
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if ( is_numeric( $value ) ) {
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return ( (int)$value > 0 );
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}
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if ( $value === 'yes' || $value === 'y'
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|| $value === 'true' || $value === 't' || $value === 'on'
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) {
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return true;
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} elseif ( $value === 'no' || $value === 'n'
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|| $value === 'false' || $value === 'f' || $value === 'off'
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) {
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return false;
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} elseif ( $value === 'null' || $value === 'default' || $value === 'none' || $value === 'x' ) {
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return null;
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} else {
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return false;
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}
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}
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/**
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* @param mixed $value
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* @return int|string
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*/
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private static function decodeHidePrefix( $value ) {
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global $wgCategoryTreeDefaultOptions;
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if ( $value === null ) {
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return $wgCategoryTreeDefaultOptions['hideprefix'];
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}
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if ( is_int( $value ) ) {
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return $value;
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}
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if ( $value === true ) {
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return CategoryTreeHidePrefix::ALWAYS;
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}
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if ( $value === false ) {
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return CategoryTreeHidePrefix::NEVER;
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}
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$value = trim( strtolower( $value ) );
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if ( $value === 'yes' || $value === 'y'
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|| $value === 'true' || $value === 't' || $value === 'on'
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) {
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return CategoryTreeHidePrefix::ALWAYS;
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} elseif ( $value === 'no' || $value === 'n'
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|| $value === 'false' || $value === 'f' || $value === 'off'
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) {
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return CategoryTreeHidePrefix::NEVER;
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} elseif ( $value === 'always' ) {
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return CategoryTreeHidePrefix::ALWAYS;
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} elseif ( $value === 'never' ) {
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return CategoryTreeHidePrefix::NEVER;
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} elseif ( $value === 'auto' ) {
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return CategoryTreeHidePrefix::AUTO;
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} elseif ( $value === 'categories' || $value === 'category' || $value === 'smart' ) {
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return CategoryTreeHidePrefix::CATEGORIES;
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} else {
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return $wgCategoryTreeDefaultOptions['hideprefix'];
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}
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}
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/**
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* @param array $options
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* @param string $enc
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* @return mixed
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* @throws Exception
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*/
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private static function encodeOptions( array $options, $enc ) {
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if ( $enc === 'mode' || $enc === '' ) {
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$opt = $options['mode'];
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} elseif ( $enc === 'json' ) {
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$opt = FormatJson::encode( $options );
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} else {
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throw new Exception( 'Unknown encoding for CategoryTree options: ' . $enc );
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}
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return $opt;
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}
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/**
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* @param int|null $depth
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* @return string
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*/
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public function getOptionsAsCacheKey( $depth = null ) {
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$key = '';
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foreach ( $this->mOptions as $k => $v ) {
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if ( is_array( $v ) ) {
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$v = implode( '|', $v );
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}
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$key .= $k . ':' . $v . ';';
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}
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if ( $depth !== null ) {
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$key .= ';depth=' . $depth;
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}
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return $key;
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}
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/**
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* @param int|null $depth
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* @return mixed
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*/
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public function getOptionsAsJsStructure( $depth = null ) {
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$opt = $this->mOptions;
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if ( $depth !== null ) {
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$opt['depth'] = $depth;
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}
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return self::encodeOptions( $opt, 'json' );
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}
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/**
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* Internal function to cap depth
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* @param string $mode
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* @param int $depth
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* @return int|mixed
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*/
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public static function capDepth( $mode, $depth ) {
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global $wgCategoryTreeMaxDepth;
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if ( !is_numeric( $depth ) ) {
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return 1;
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}
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$depth = intval( $depth );
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if ( is_array( $wgCategoryTreeMaxDepth ) ) {
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$max = $wgCategoryTreeMaxDepth[$mode] ?? 1;
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} elseif ( is_numeric( $wgCategoryTreeMaxDepth ) ) {
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$max = $wgCategoryTreeMaxDepth;
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} else {
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wfDebug( __METHOD__ . ': $wgCategoryTreeMaxDepth is invalid.' );
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$max = 1;
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}
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return min( $depth, $max );
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}
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}
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