mirror of
https://github.com/renbaoshuo/S2OJ.git
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96d4a3ecf7
Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
69 lines
1.7 KiB
PHP
69 lines
1.7 KiB
PHP
<?php
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/**
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* Generic pre-transform that converts an attribute with a fixed number of
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* values (enumerated) to CSS.
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*/
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class HTMLPurifier_AttrTransform_EnumToCSS extends HTMLPurifier_AttrTransform
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{
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/**
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* Name of attribute to transform from.
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* @type string
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*/
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protected $attr;
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/**
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* Lookup array of attribute values to CSS.
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* @type array
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*/
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protected $enumToCSS = array();
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/**
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* Case sensitivity of the matching.
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* @type bool
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* @warning Currently can only be guaranteed to work with ASCII
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* values.
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*/
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protected $caseSensitive = false;
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/**
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* @param string $attr Attribute name to transform from
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* @param array $enum_to_css Lookup array of attribute values to CSS
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* @param bool $case_sensitive Case sensitivity indicator, default false
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*/
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public function __construct($attr, $enum_to_css, $case_sensitive = false)
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{
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$this->attr = $attr;
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$this->enumToCSS = $enum_to_css;
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$this->caseSensitive = (bool)$case_sensitive;
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}
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/**
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* @param array $attr
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* @param HTMLPurifier_Config $config
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* @param HTMLPurifier_Context $context
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* @return array
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*/
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public function transform($attr, $config, $context)
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{
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if (!isset($attr[$this->attr])) {
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return $attr;
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}
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$value = trim($attr[$this->attr]);
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unset($attr[$this->attr]);
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if (!$this->caseSensitive) {
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$value = strtolower($value);
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}
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if (!isset($this->enumToCSS[$value])) {
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return $attr;
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}
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$this->prependCSS($attr, $this->enumToCSS[$value]);
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return $attr;
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}
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}
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// vim: et sw=4 sts=4
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