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637
vendor/masterminds/html5/src/HTML5/Elements.php
vendored
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637
vendor/masterminds/html5/src/HTML5/Elements.php
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<?php
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/**
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* Provide general element functions.
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*/
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namespace Masterminds\HTML5;
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/**
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* This class provides general information about HTML5 elements,
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* including syntactic and semantic issues.
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* Parsers and serializers can
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* use this class as a reference point for information about the rules
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* of various HTML5 elements.
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*
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* @todo consider using a bitmask table lookup. There is enough overlap in
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* naming that this could significantly shrink the size and maybe make it
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* faster. See the Go teams implementation at https://code.google.com/p/go/source/browse/html/atom.
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*/
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class Elements
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{
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/**
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* Indicates an element is described in the specification.
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*/
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const KNOWN_ELEMENT = 1;
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// From section 8.1.2: "script", "style"
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// From 8.2.5.4.7 ("in body" insertion mode): "noembed"
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// From 8.4 "style", "xmp", "iframe", "noembed", "noframes"
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/**
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* Indicates the contained text should be processed as raw text.
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*/
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const TEXT_RAW = 2;
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// From section 8.1.2: "textarea", "title"
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/**
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* Indicates the contained text should be processed as RCDATA.
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*/
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const TEXT_RCDATA = 4;
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/**
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* Indicates the tag cannot have content.
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*/
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const VOID_TAG = 8;
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// "address", "article", "aside", "blockquote", "center", "details", "dialog", "dir", "div", "dl",
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// "fieldset", "figcaption", "figure", "footer", "header", "hgroup", "menu",
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// "nav", "ol", "p", "section", "summary", "ul"
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// "h1", "h2", "h3", "h4", "h5", "h6"
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// "pre", "listing"
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// "form"
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// "plaintext"
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/**
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* Indicates that if a previous event is for a P tag, that element
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* should be considered closed.
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*/
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const AUTOCLOSE_P = 16;
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/**
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* Indicates that the text inside is plaintext (pre).
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*/
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const TEXT_PLAINTEXT = 32;
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// See https://developer.mozilla.org/en-US/docs/HTML/Block-level_elements
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/**
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* Indicates that the tag is a block.
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*/
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const BLOCK_TAG = 64;
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/**
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* Indicates that the tag allows only inline elements as child nodes.
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*/
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const BLOCK_ONLY_INLINE = 128;
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/**
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* Elements with optional end tags that cause auto-closing of previous and parent tags,
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* as example most of the table related tags, see https://www.w3.org/TR/html401/struct/tables.html
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* Structure is as follows:
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* TAG-NAME => [PARENT-TAG-NAME-TO-CLOSE1, PARENT-TAG-NAME-TO-CLOSE2, ...].
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*
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* Order is important, after auto-closing one parent with might have to close also their parent.
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*
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* @var array<string, string[]>
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*/
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public static $optionalEndElementsParentsToClose = array(
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'tr' => array('td', 'tr'),
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'td' => array('td', 'th'),
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'th' => array('td', 'th'),
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'tfoot' => array('td', 'th', 'tr', 'tbody', 'thead'),
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'tbody' => array('td', 'th', 'tr', 'thead'),
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);
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/**
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* The HTML5 elements as defined in http://dev.w3.org/html5/markup/elements.html.
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*
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* @var array
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*/
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public static $html5 = array(
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'a' => 1,
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'abbr' => 1,
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'address' => 65, // NORMAL | BLOCK_TAG
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'area' => 9, // NORMAL | VOID_TAG
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'article' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'aside' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'audio' => 1, // NORMAL
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'b' => 1,
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'base' => 9, // NORMAL | VOID_TAG
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'bdi' => 1,
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'bdo' => 1,
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'blockquote' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'body' => 1,
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'br' => 9, // NORMAL | VOID_TAG
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'button' => 1,
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'canvas' => 65, // NORMAL | BLOCK_TAG
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'caption' => 1,
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'cite' => 1,
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'code' => 1,
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'col' => 9, // NORMAL | VOID_TAG
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'colgroup' => 1,
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'command' => 9, // NORMAL | VOID_TAG
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// "data" => 1, // This is highly experimental and only part of the whatwg spec (not w3c). See https://developer.mozilla.org/en-US/docs/HTML/Element/data
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'datalist' => 1,
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'dd' => 65, // NORMAL | BLOCK_TAG
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'del' => 1,
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'details' => 17, // NORMAL | AUTOCLOSE_P,
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'dfn' => 1,
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'dialog' => 17, // NORMAL | AUTOCLOSE_P,
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'div' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'dl' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'dt' => 1,
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'em' => 1,
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'embed' => 9, // NORMAL | VOID_TAG
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'fieldset' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'figcaption' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'figure' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'footer' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'form' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'h1' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'h2' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'h3' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'h4' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'h5' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'h6' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'head' => 1,
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'header' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'hgroup' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'hr' => 73, // NORMAL | VOID_TAG
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'html' => 1,
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'i' => 1,
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'iframe' => 3, // NORMAL | TEXT_RAW
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'img' => 9, // NORMAL | VOID_TAG
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'input' => 9, // NORMAL | VOID_TAG
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'kbd' => 1,
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'ins' => 1,
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'keygen' => 9, // NORMAL | VOID_TAG
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'label' => 1,
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'legend' => 1,
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'li' => 1,
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'link' => 9, // NORMAL | VOID_TAG
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'map' => 1,
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'mark' => 1,
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'menu' => 17, // NORMAL | AUTOCLOSE_P,
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'meta' => 9, // NORMAL | VOID_TAG
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'meter' => 1,
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'nav' => 17, // NORMAL | AUTOCLOSE_P,
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'noscript' => 65, // NORMAL | BLOCK_TAG
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'object' => 1,
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'ol' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'optgroup' => 1,
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'option' => 1,
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'output' => 65, // NORMAL | BLOCK_TAG
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'p' => 209, // NORMAL | AUTOCLOSE_P | BLOCK_TAG | BLOCK_ONLY_INLINE
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'param' => 9, // NORMAL | VOID_TAG
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'pre' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'progress' => 1,
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'q' => 1,
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'rp' => 1,
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'rt' => 1,
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'ruby' => 1,
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's' => 1,
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'samp' => 1,
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'script' => 3, // NORMAL | TEXT_RAW
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'section' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'select' => 1,
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'small' => 1,
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'source' => 9, // NORMAL | VOID_TAG
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'span' => 1,
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'strong' => 1,
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'style' => 3, // NORMAL | TEXT_RAW
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'sub' => 1,
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'summary' => 17, // NORMAL | AUTOCLOSE_P,
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'sup' => 1,
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'table' => 65, // NORMAL | BLOCK_TAG
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'tbody' => 1,
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'td' => 1,
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'textarea' => 5, // NORMAL | TEXT_RCDATA
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'tfoot' => 65, // NORMAL | BLOCK_TAG
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'th' => 1,
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'thead' => 1,
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'time' => 1,
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'title' => 5, // NORMAL | TEXT_RCDATA
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'tr' => 1,
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'track' => 9, // NORMAL | VOID_TAG
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'u' => 1,
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'ul' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
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'var' => 1,
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'video' => 1,
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'wbr' => 9, // NORMAL | VOID_TAG
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// Legacy?
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'basefont' => 8, // VOID_TAG
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'bgsound' => 8, // VOID_TAG
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'noframes' => 2, // RAW_TEXT
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'frame' => 9, // NORMAL | VOID_TAG
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'frameset' => 1,
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'center' => 16,
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'dir' => 16,
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'listing' => 16, // AUTOCLOSE_P
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'plaintext' => 48, // AUTOCLOSE_P | TEXT_PLAINTEXT
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'applet' => 0,
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'marquee' => 0,
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'isindex' => 8, // VOID_TAG
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'xmp' => 20, // AUTOCLOSE_P | VOID_TAG | RAW_TEXT
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'noembed' => 2, // RAW_TEXT
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);
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/**
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* The MathML elements.
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* See http://www.w3.org/wiki/MathML/Elements.
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*
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* In our case we are only concerned with presentation MathML and not content
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* MathML. There is a nice list of this subset at https://developer.mozilla.org/en-US/docs/MathML/Element.
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*
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* @var array
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*/
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public static $mathml = array(
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'maction' => 1,
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'maligngroup' => 1,
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'malignmark' => 1,
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'math' => 1,
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'menclose' => 1,
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'merror' => 1,
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'mfenced' => 1,
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'mfrac' => 1,
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'mglyph' => 1,
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'mi' => 1,
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'mlabeledtr' => 1,
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'mlongdiv' => 1,
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'mmultiscripts' => 1,
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'mn' => 1,
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'mo' => 1,
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'mover' => 1,
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'mpadded' => 1,
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'mphantom' => 1,
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'mroot' => 1,
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'mrow' => 1,
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'ms' => 1,
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'mscarries' => 1,
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'mscarry' => 1,
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'msgroup' => 1,
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'msline' => 1,
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'mspace' => 1,
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'msqrt' => 1,
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'msrow' => 1,
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'mstack' => 1,
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'mstyle' => 1,
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'msub' => 1,
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'msup' => 1,
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'msubsup' => 1,
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'mtable' => 1,
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'mtd' => 1,
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'mtext' => 1,
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'mtr' => 1,
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'munder' => 1,
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'munderover' => 1,
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);
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/**
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* The svg elements.
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*
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* The Mozilla documentation has a good list at https://developer.mozilla.org/en-US/docs/SVG/Element.
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* The w3c list appears to be lacking in some areas like filter effect elements.
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* That list can be found at http://www.w3.org/wiki/SVG/Elements.
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*
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* Note, FireFox appears to do a better job rendering filter effects than chrome.
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* While they are in the spec I'm not sure how widely implemented they are.
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*
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* @var array
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*/
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public static $svg = array(
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'a' => 1,
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'altGlyph' => 1,
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'altGlyphDef' => 1,
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'altGlyphItem' => 1,
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'animate' => 1,
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'animateColor' => 1,
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'animateMotion' => 1,
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'animateTransform' => 1,
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'circle' => 1,
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'clipPath' => 1,
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'color-profile' => 1,
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'cursor' => 1,
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'defs' => 1,
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'desc' => 1,
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'ellipse' => 1,
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'feBlend' => 1,
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'feColorMatrix' => 1,
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'feComponentTransfer' => 1,
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'feComposite' => 1,
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'feConvolveMatrix' => 1,
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'feDiffuseLighting' => 1,
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'feDisplacementMap' => 1,
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'feDistantLight' => 1,
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'feFlood' => 1,
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'feFuncA' => 1,
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'feFuncB' => 1,
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'feFuncG' => 1,
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'feFuncR' => 1,
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'feGaussianBlur' => 1,
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'feImage' => 1,
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'feMerge' => 1,
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'feMergeNode' => 1,
|
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'feMorphology' => 1,
|
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'feOffset' => 1,
|
||||
'fePointLight' => 1,
|
||||
'feSpecularLighting' => 1,
|
||||
'feSpotLight' => 1,
|
||||
'feTile' => 1,
|
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'feTurbulence' => 1,
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'filter' => 1,
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'font' => 1,
|
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'font-face' => 1,
|
||||
'font-face-format' => 1,
|
||||
'font-face-name' => 1,
|
||||
'font-face-src' => 1,
|
||||
'font-face-uri' => 1,
|
||||
'foreignObject' => 1,
|
||||
'g' => 1,
|
||||
'glyph' => 1,
|
||||
'glyphRef' => 1,
|
||||
'hkern' => 1,
|
||||
'image' => 1,
|
||||
'line' => 1,
|
||||
'linearGradient' => 1,
|
||||
'marker' => 1,
|
||||
'mask' => 1,
|
||||
'metadata' => 1,
|
||||
'missing-glyph' => 1,
|
||||
'mpath' => 1,
|
||||
'path' => 1,
|
||||
'pattern' => 1,
|
||||
'polygon' => 1,
|
||||
'polyline' => 1,
|
||||
'radialGradient' => 1,
|
||||
'rect' => 1,
|
||||
'script' => 3, // NORMAL | RAW_TEXT
|
||||
'set' => 1,
|
||||
'stop' => 1,
|
||||
'style' => 3, // NORMAL | RAW_TEXT
|
||||
'svg' => 1,
|
||||
'switch' => 1,
|
||||
'symbol' => 1,
|
||||
'text' => 1,
|
||||
'textPath' => 1,
|
||||
'title' => 1,
|
||||
'tref' => 1,
|
||||
'tspan' => 1,
|
||||
'use' => 1,
|
||||
'view' => 1,
|
||||
'vkern' => 1,
|
||||
);
|
||||
|
||||
/**
|
||||
* Some attributes in SVG are case sensitive.
|
||||
*
|
||||
* This map contains key/value pairs with the key as the lowercase attribute
|
||||
* name and the value with the correct casing.
|
||||
*/
|
||||
public static $svgCaseSensitiveAttributeMap = array(
|
||||
'attributename' => 'attributeName',
|
||||
'attributetype' => 'attributeType',
|
||||
'basefrequency' => 'baseFrequency',
|
||||
'baseprofile' => 'baseProfile',
|
||||
'calcmode' => 'calcMode',
|
||||
'clippathunits' => 'clipPathUnits',
|
||||
'contentscripttype' => 'contentScriptType',
|
||||
'contentstyletype' => 'contentStyleType',
|
||||
'diffuseconstant' => 'diffuseConstant',
|
||||
'edgemode' => 'edgeMode',
|
||||
'externalresourcesrequired' => 'externalResourcesRequired',
|
||||
'filterres' => 'filterRes',
|
||||
'filterunits' => 'filterUnits',
|
||||
'glyphref' => 'glyphRef',
|
||||
'gradienttransform' => 'gradientTransform',
|
||||
'gradientunits' => 'gradientUnits',
|
||||
'kernelmatrix' => 'kernelMatrix',
|
||||
'kernelunitlength' => 'kernelUnitLength',
|
||||
'keypoints' => 'keyPoints',
|
||||
'keysplines' => 'keySplines',
|
||||
'keytimes' => 'keyTimes',
|
||||
'lengthadjust' => 'lengthAdjust',
|
||||
'limitingconeangle' => 'limitingConeAngle',
|
||||
'markerheight' => 'markerHeight',
|
||||
'markerunits' => 'markerUnits',
|
||||
'markerwidth' => 'markerWidth',
|
||||
'maskcontentunits' => 'maskContentUnits',
|
||||
'maskunits' => 'maskUnits',
|
||||
'numoctaves' => 'numOctaves',
|
||||
'pathlength' => 'pathLength',
|
||||
'patterncontentunits' => 'patternContentUnits',
|
||||
'patterntransform' => 'patternTransform',
|
||||
'patternunits' => 'patternUnits',
|
||||
'pointsatx' => 'pointsAtX',
|
||||
'pointsaty' => 'pointsAtY',
|
||||
'pointsatz' => 'pointsAtZ',
|
||||
'preservealpha' => 'preserveAlpha',
|
||||
'preserveaspectratio' => 'preserveAspectRatio',
|
||||
'primitiveunits' => 'primitiveUnits',
|
||||
'refx' => 'refX',
|
||||
'refy' => 'refY',
|
||||
'repeatcount' => 'repeatCount',
|
||||
'repeatdur' => 'repeatDur',
|
||||
'requiredextensions' => 'requiredExtensions',
|
||||
'requiredfeatures' => 'requiredFeatures',
|
||||
'specularconstant' => 'specularConstant',
|
||||
'specularexponent' => 'specularExponent',
|
||||
'spreadmethod' => 'spreadMethod',
|
||||
'startoffset' => 'startOffset',
|
||||
'stddeviation' => 'stdDeviation',
|
||||
'stitchtiles' => 'stitchTiles',
|
||||
'surfacescale' => 'surfaceScale',
|
||||
'systemlanguage' => 'systemLanguage',
|
||||
'tablevalues' => 'tableValues',
|
||||
'targetx' => 'targetX',
|
||||
'targety' => 'targetY',
|
||||
'textlength' => 'textLength',
|
||||
'viewbox' => 'viewBox',
|
||||
'viewtarget' => 'viewTarget',
|
||||
'xchannelselector' => 'xChannelSelector',
|
||||
'ychannelselector' => 'yChannelSelector',
|
||||
'zoomandpan' => 'zoomAndPan',
|
||||
);
|
||||
|
||||
/**
|
||||
* Some SVG elements are case sensitive.
|
||||
* This map contains these.
|
||||
*
|
||||
* The map contains key/value store of the name is lowercase as the keys and
|
||||
* the correct casing as the value.
|
||||
*/
|
||||
public static $svgCaseSensitiveElementMap = array(
|
||||
'altglyph' => 'altGlyph',
|
||||
'altglyphdef' => 'altGlyphDef',
|
||||
'altglyphitem' => 'altGlyphItem',
|
||||
'animatecolor' => 'animateColor',
|
||||
'animatemotion' => 'animateMotion',
|
||||
'animatetransform' => 'animateTransform',
|
||||
'clippath' => 'clipPath',
|
||||
'feblend' => 'feBlend',
|
||||
'fecolormatrix' => 'feColorMatrix',
|
||||
'fecomponenttransfer' => 'feComponentTransfer',
|
||||
'fecomposite' => 'feComposite',
|
||||
'feconvolvematrix' => 'feConvolveMatrix',
|
||||
'fediffuselighting' => 'feDiffuseLighting',
|
||||
'fedisplacementmap' => 'feDisplacementMap',
|
||||
'fedistantlight' => 'feDistantLight',
|
||||
'feflood' => 'feFlood',
|
||||
'fefunca' => 'feFuncA',
|
||||
'fefuncb' => 'feFuncB',
|
||||
'fefuncg' => 'feFuncG',
|
||||
'fefuncr' => 'feFuncR',
|
||||
'fegaussianblur' => 'feGaussianBlur',
|
||||
'feimage' => 'feImage',
|
||||
'femerge' => 'feMerge',
|
||||
'femergenode' => 'feMergeNode',
|
||||
'femorphology' => 'feMorphology',
|
||||
'feoffset' => 'feOffset',
|
||||
'fepointlight' => 'fePointLight',
|
||||
'fespecularlighting' => 'feSpecularLighting',
|
||||
'fespotlight' => 'feSpotLight',
|
||||
'fetile' => 'feTile',
|
||||
'feturbulence' => 'feTurbulence',
|
||||
'foreignobject' => 'foreignObject',
|
||||
'glyphref' => 'glyphRef',
|
||||
'lineargradient' => 'linearGradient',
|
||||
'radialgradient' => 'radialGradient',
|
||||
'textpath' => 'textPath',
|
||||
);
|
||||
|
||||
/**
|
||||
* Check whether the given element meets the given criterion.
|
||||
*
|
||||
* Example:
|
||||
*
|
||||
* Elements::isA('script', Elements::TEXT_RAW); // Returns true.
|
||||
*
|
||||
* Elements::isA('script', Elements::TEXT_RCDATA); // Returns false.
|
||||
*
|
||||
* @param string $name The element name.
|
||||
* @param int $mask One of the constants on this class.
|
||||
*
|
||||
* @return bool true if the element matches the mask, false otherwise.
|
||||
*/
|
||||
public static function isA($name, $mask)
|
||||
{
|
||||
return (static::element($name) & $mask) === $mask;
|
||||
}
|
||||
|
||||
/**
|
||||
* Test if an element is a valid html5 element.
|
||||
*
|
||||
* @param string $name The name of the element.
|
||||
*
|
||||
* @return bool true if a html5 element and false otherwise.
|
||||
*/
|
||||
public static function isHtml5Element($name)
|
||||
{
|
||||
// html5 element names are case insensitive. Forcing lowercase for the check.
|
||||
// Do we need this check or will all data passed here already be lowercase?
|
||||
return isset(static::$html5[strtolower($name)]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Test if an element name is a valid MathML presentation element.
|
||||
*
|
||||
* @param string $name The name of the element.
|
||||
*
|
||||
* @return bool true if a MathML name and false otherwise.
|
||||
*/
|
||||
public static function isMathMLElement($name)
|
||||
{
|
||||
// MathML is case-sensitive unlike html5 elements.
|
||||
return isset(static::$mathml[$name]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Test if an element is a valid SVG element.
|
||||
*
|
||||
* @param string $name The name of the element.
|
||||
*
|
||||
* @return bool true if a SVG element and false otherise.
|
||||
*/
|
||||
public static function isSvgElement($name)
|
||||
{
|
||||
// SVG is case-sensitive unlike html5 elements.
|
||||
return isset(static::$svg[$name]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Is an element name valid in an html5 document.
|
||||
* This includes html5 elements along with other allowed embedded content
|
||||
* such as svg and mathml.
|
||||
*
|
||||
* @param string $name The name of the element.
|
||||
*
|
||||
* @return bool true if valid and false otherwise.
|
||||
*/
|
||||
public static function isElement($name)
|
||||
{
|
||||
return static::isHtml5Element($name) || static::isMathMLElement($name) || static::isSvgElement($name);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the element mask for the given element name.
|
||||
*
|
||||
* @param string $name The name of the element.
|
||||
*
|
||||
* @return int the element mask.
|
||||
*/
|
||||
public static function element($name)
|
||||
{
|
||||
if (isset(static::$html5[$name])) {
|
||||
return static::$html5[$name];
|
||||
}
|
||||
if (isset(static::$svg[$name])) {
|
||||
return static::$svg[$name];
|
||||
}
|
||||
if (isset(static::$mathml[$name])) {
|
||||
return static::$mathml[$name];
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Normalize a SVG element name to its proper case and form.
|
||||
*
|
||||
* @param string $name The name of the element.
|
||||
*
|
||||
* @return string the normalized form of the element name.
|
||||
*/
|
||||
public static function normalizeSvgElement($name)
|
||||
{
|
||||
$name = strtolower($name);
|
||||
if (isset(static::$svgCaseSensitiveElementMap[$name])) {
|
||||
$name = static::$svgCaseSensitiveElementMap[$name];
|
||||
}
|
||||
|
||||
return $name;
|
||||
}
|
||||
|
||||
/**
|
||||
* Normalize a SVG attribute name to its proper case and form.
|
||||
*
|
||||
* @param string $name The name of the attribute.
|
||||
*
|
||||
* @return string The normalized form of the attribute name.
|
||||
*/
|
||||
public static function normalizeSvgAttribute($name)
|
||||
{
|
||||
$name = strtolower($name);
|
||||
if (isset(static::$svgCaseSensitiveAttributeMap[$name])) {
|
||||
$name = static::$svgCaseSensitiveAttributeMap[$name];
|
||||
}
|
||||
|
||||
return $name;
|
||||
}
|
||||
|
||||
/**
|
||||
* Normalize a MathML attribute name to its proper case and form.
|
||||
* Note, all MathML element names are lowercase.
|
||||
*
|
||||
* @param string $name The name of the attribute.
|
||||
*
|
||||
* @return string The normalized form of the attribute name.
|
||||
*/
|
||||
public static function normalizeMathMlAttribute($name)
|
||||
{
|
||||
$name = strtolower($name);
|
||||
|
||||
// Only one attribute has a mixed case form for MathML.
|
||||
if ('definitionurl' === $name) {
|
||||
$name = 'definitionURL';
|
||||
}
|
||||
|
||||
return $name;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user