mirror of
https://github.com/ezyang/htmlpurifier.git
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66 lines
1.6 KiB
PHP
66 lines
1.6 KiB
PHP
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<?php
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// all objects here are immutable
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class HTMLPurifier_Token {} // abstract
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class HTMLPurifier_Token_Tag extends HTMLPurifier_Token // abstract
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{
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var $is_tag = true;
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var $name;
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function HTMLPurifier_Token_Tag($name) {
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$this->name = strtolower($name); // for some reason, the SAX parser
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// uses uppercase. Investigate?
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}
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}
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// a rich tag has attributes
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class HTMLPurifier_Token_RichTag extends HTMLPurifier_Token_Tag // abstract
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{
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var $attributes = array();
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function HTMLPurifier_Token_RichTag($name, $attributes = array()) {
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$this->HTMLPurifier_Token_Tag($name);
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$this->attributes = $attributes;
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}
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}
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class HTMLPurifier_Token_Start extends HTMLPurifier_Token_RichTag
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{
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var $type = 'start';
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}
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class HTMLPurifier_Token_Empty extends HTMLPurifier_Token_RichTag
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{
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var $type = 'empty';
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}
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class HTMLPurifier_Token_End extends HTMLPurifier_Token_Tag
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{
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var $type = 'end';
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}
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class HTMLPurifier_Token_Text extends HTMLPurifier_Token
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{
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var $name = '#PCDATA';
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var $type = 'text';
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var $data;
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var $is_whitespace = false;
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function HTMLPurifier_Token_Text($data) {
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$this->data = $data;
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if (trim($data, " \n\r\t") === '') $this->is_whitespace = true;
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}
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function append($text) {
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return new HTMLPurifier_Token_Text($this->data . $text->data);
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}
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}
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class HTMLPurifier_Token_Comment extends HTMLPurifier_Token
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{
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var $data;
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var $type = 'comment';
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function HTMLPurifier_Token_Comment($data) {
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$this->data = $data;
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}
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}
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?>
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