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-<?php
-/**
- * Provide general element functions.
- */
-
-namespace Masterminds\HTML5;
-
-/**
- * This class provides general information about HTML5 elements,
- * including syntactic and semantic issues.
- * Parsers and serializers can
- * use this class as a reference point for information about the rules
- * of various HTML5 elements.
- *
- * @todo consider using a bitmask table lookup. There is enough overlap in
- * naming that this could significantly shrink the size and maybe make it
- * faster. See the Go teams implementation at https://code.google.com/p/go/source/browse/html/atom.
- */
-class Elements
-{
- /**
- * Indicates an element is described in the specification.
- */
- const KNOWN_ELEMENT = 1;
-
- // From section 8.1.2: "script", "style"
- // From 8.2.5.4.7 ("in body" insertion mode): "noembed"
- // From 8.4 "style", "xmp", "iframe", "noembed", "noframes"
- /**
- * Indicates the contained text should be processed as raw text.
- */
- const TEXT_RAW = 2;
-
- // From section 8.1.2: "textarea", "title"
- /**
- * Indicates the contained text should be processed as RCDATA.
- */
- const TEXT_RCDATA = 4;
-
- /**
- * Indicates the tag cannot have content.
- */
- const VOID_TAG = 8;
-
- // "address", "article", "aside", "blockquote", "center", "details", "dialog", "dir", "div", "dl",
- // "fieldset", "figcaption", "figure", "footer", "header", "hgroup", "menu",
- // "nav", "ol", "p", "section", "summary", "ul"
- // "h1", "h2", "h3", "h4", "h5", "h6"
- // "pre", "listing"
- // "form"
- // "plaintext"
- /**
- * Indicates that if a previous event is for a P tag, that element
- * should be considered closed.
- */
- const AUTOCLOSE_P = 16;
-
- /**
- * Indicates that the text inside is plaintext (pre).
- */
- const TEXT_PLAINTEXT = 32;
-
- // See https://developer.mozilla.org/en-US/docs/HTML/Block-level_elements
- /**
- * Indicates that the tag is a block.
- */
- const BLOCK_TAG = 64;
-
- /**
- * Indicates that the tag allows only inline elements as child nodes.
- */
- const BLOCK_ONLY_INLINE = 128;
-
- /**
- * The HTML5 elements as defined in http://dev.w3.org/html5/markup/elements.html.
- *
- * @var array
- */
- public static $html5 = array(
- 'a' => 1,
- 'abbr' => 1,
- 'address' => 65, // NORMAL | BLOCK_TAG
- 'area' => 9, // NORMAL | VOID_TAG
- 'article' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'aside' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'audio' => 1, // NORMAL
- 'b' => 1,
- 'base' => 9, // NORMAL | VOID_TAG
- 'bdi' => 1,
- 'bdo' => 1,
- 'blockquote' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'body' => 1,
- 'br' => 9, // NORMAL | VOID_TAG
- 'button' => 1,
- 'canvas' => 65, // NORMAL | BLOCK_TAG
- 'caption' => 1,
- 'cite' => 1,
- 'code' => 1,
- 'col' => 9, // NORMAL | VOID_TAG
- 'colgroup' => 1,
- 'command' => 9, // NORMAL | VOID_TAG
- // "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
- 'datalist' => 1,
- 'dd' => 65, // NORMAL | BLOCK_TAG
- 'del' => 1,
- 'details' => 17, // NORMAL | AUTOCLOSE_P,
- 'dfn' => 1,
- 'dialog' => 17, // NORMAL | AUTOCLOSE_P,
- 'div' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'dl' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'dt' => 1,
- 'em' => 1,
- 'embed' => 9, // NORMAL | VOID_TAG
- 'fieldset' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'figcaption' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'figure' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'footer' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'form' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'h1' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'h2' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'h3' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'h4' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'h5' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'h6' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'head' => 1,
- 'header' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'hgroup' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'hr' => 73, // NORMAL | VOID_TAG
- 'html' => 1,
- 'i' => 1,
- 'iframe' => 3, // NORMAL | TEXT_RAW
- 'img' => 9, // NORMAL | VOID_TAG
- 'input' => 9, // NORMAL | VOID_TAG
- 'kbd' => 1,
- 'ins' => 1,
- 'keygen' => 9, // NORMAL | VOID_TAG
- 'label' => 1,
- 'legend' => 1,
- 'li' => 1,
- 'link' => 9, // NORMAL | VOID_TAG
- 'map' => 1,
- 'mark' => 1,
- 'menu' => 17, // NORMAL | AUTOCLOSE_P,
- 'meta' => 9, // NORMAL | VOID_TAG
- 'meter' => 1,
- 'nav' => 17, // NORMAL | AUTOCLOSE_P,
- 'noscript' => 65, // NORMAL | BLOCK_TAG
- 'object' => 1,
- 'ol' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'optgroup' => 1,
- 'option' => 1,
- 'output' => 65, // NORMAL | BLOCK_TAG
- 'p' => 209, // NORMAL | AUTOCLOSE_P | BLOCK_TAG | BLOCK_ONLY_INLINE
- 'param' => 9, // NORMAL | VOID_TAG
- 'pre' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'progress' => 1,
- 'q' => 1,
- 'rp' => 1,
- 'rt' => 1,
- 'ruby' => 1,
- 's' => 1,
- 'samp' => 1,
- 'script' => 3, // NORMAL | TEXT_RAW
- 'section' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'select' => 1,
- 'small' => 1,
- 'source' => 9, // NORMAL | VOID_TAG
- 'span' => 1,
- 'strong' => 1,
- 'style' => 3, // NORMAL | TEXT_RAW
- 'sub' => 1,
- 'summary' => 17, // NORMAL | AUTOCLOSE_P,
- 'sup' => 1,
- 'table' => 65, // NORMAL | BLOCK_TAG
- 'tbody' => 1,
- 'td' => 1,
- 'textarea' => 5, // NORMAL | TEXT_RCDATA
- 'tfoot' => 65, // NORMAL | BLOCK_TAG
- 'th' => 1,
- 'thead' => 1,
- 'time' => 1,
- 'title' => 5, // NORMAL | TEXT_RCDATA
- 'tr' => 1,
- 'track' => 9, // NORMAL | VOID_TAG
- 'u' => 1,
- 'ul' => 81, // NORMAL | AUTOCLOSE_P | BLOCK_TAG
- 'var' => 1,
- 'video' => 65, // NORMAL | BLOCK_TAG
- 'wbr' => 9, // NORMAL | VOID_TAG
-
- // Legacy?
- 'basefont' => 8, // VOID_TAG
- 'bgsound' => 8, // VOID_TAG
- 'noframes' => 2, // RAW_TEXT
- 'frame' => 9, // NORMAL | VOID_TAG
- 'frameset' => 1,
- 'center' => 16,
- 'dir' => 16,
- 'listing' => 16, // AUTOCLOSE_P
- 'plaintext' => 48, // AUTOCLOSE_P | TEXT_PLAINTEXT
- 'applet' => 0,
- 'marquee' => 0,
- 'isindex' => 8, // VOID_TAG
- 'xmp' => 20, // AUTOCLOSE_P | VOID_TAG | RAW_TEXT
- 'noembed' => 2, // RAW_TEXT
- );
-
- /**
- * The MathML elements.
- * See http://www.w3.org/wiki/MathML/Elements.
- *
- * In our case we are only concerned with presentation MathML and not content
- * MathML. There is a nice list of this subset at https://developer.mozilla.org/en-US/docs/MathML/Element.
- *
- * @var array
- */
- public static $mathml = array(
- 'maction' => 1,
- 'maligngroup' => 1,
- 'malignmark' => 1,
- 'math' => 1,
- 'menclose' => 1,
- 'merror' => 1,
- 'mfenced' => 1,
- 'mfrac' => 1,
- 'mglyph' => 1,
- 'mi' => 1,
- 'mlabeledtr' => 1,
- 'mlongdiv' => 1,
- 'mmultiscripts' => 1,
- 'mn' => 1,
- 'mo' => 1,
- 'mover' => 1,
- 'mpadded' => 1,
- 'mphantom' => 1,
- 'mroot' => 1,
- 'mrow' => 1,
- 'ms' => 1,
- 'mscarries' => 1,
- 'mscarry' => 1,
- 'msgroup' => 1,
- 'msline' => 1,
- 'mspace' => 1,
- 'msqrt' => 1,
- 'msrow' => 1,
- 'mstack' => 1,
- 'mstyle' => 1,
- 'msub' => 1,
- 'msup' => 1,
- 'msubsup' => 1,
- 'mtable' => 1,
- 'mtd' => 1,
- 'mtext' => 1,
- 'mtr' => 1,
- 'munder' => 1,
- 'munderover' => 1,
- );
-
- /**
- * The svg elements.
- *
- * The Mozilla documentation has a good list at https://developer.mozilla.org/en-US/docs/SVG/Element.
- * The w3c list appears to be lacking in some areas like filter effect elements.
- * That list can be found at http://www.w3.org/wiki/SVG/Elements.
- *
- * Note, FireFox appears to do a better job rendering filter effects than chrome.
- * While they are in the spec I'm not sure how widely implemented they are.
- *
- * @var array
- */
- public static $svg = array(
- 'a' => 1,
- 'altGlyph' => 1,
- 'altGlyphDef' => 1,
- 'altGlyphItem' => 1,
- 'animate' => 1,
- 'animateColor' => 1,
- 'animateMotion' => 1,
- 'animateTransform' => 1,
- 'circle' => 1,
- 'clipPath' => 1,
- 'color-profile' => 1,
- 'cursor' => 1,
- 'defs' => 1,
- 'desc' => 1,
- 'ellipse' => 1,
- 'feBlend' => 1,
- 'feColorMatrix' => 1,
- 'feComponentTransfer' => 1,
- 'feComposite' => 1,
- 'feConvolveMatrix' => 1,
- 'feDiffuseLighting' => 1,
- 'feDisplacementMap' => 1,
- 'feDistantLight' => 1,
- 'feFlood' => 1,
- 'feFuncA' => 1,
- 'feFuncB' => 1,
- 'feFuncG' => 1,
- 'feFuncR' => 1,
- 'feGaussianBlur' => 1,
- 'feImage' => 1,
- 'feMerge' => 1,
- 'feMergeNode' => 1,
- 'feMorphology' => 1,
- 'feOffset' => 1,
- 'fePointLight' => 1,
- 'feSpecularLighting' => 1,
- 'feSpotLight' => 1,
- 'feTile' => 1,
- 'feTurbulence' => 1,
- 'filter' => 1,
- 'font' => 1,
- '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;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 05:18:47 +0000