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<?php namespace Masterminds\HTML5\Parser; /** * Standard events for HTML5. * * This is roughly analogous to a SAX2 or expat-style interface. * However, it is tuned specifically for HTML5, according to section 8 * of the HTML5 specification. * * An event handler receives parser events. For a concrete * implementation, see DOMTreeBuilder. * * Quirks support in the parser is limited to close-in syntax (malformed * tags or attributes). Higher order syntax and semantic issues with a * document (e.g. mismatched tags, illegal nesting, etc.) are the * responsibility of the event handler implementation. * * See HTML5 spec section 8.2.4 */ interface EventHandler { const DOCTYPE_NONE = 0; const DOCTYPE_PUBLIC = 1; const DOCTYPE_SYSTEM = 2; /** * A doctype declaration. * * @param string $name The name of the root element. * @param int $idType One of DOCTYPE_NONE, DOCTYPE_PUBLIC, or DOCTYPE_SYSTEM * @param string $id The identifier. For DOCTYPE_PUBLIC, this is the public ID. If DOCTYPE_SYSTEM, * then this is a system ID. * @param bool $quirks Indicates whether the builder should enter quirks mode. */ public function doctype($name, $idType = 0, $id = null, $quirks = false); /** * A start tag. * * IMPORTANT: The parser watches the return value of this event. If this returns * an integer, the parser will switch TEXTMODE patters according to the int. * * This is how the Tree Builder can tell the Tokenizer when a certain tag should * cause the parser to go into RAW text mode. * * The HTML5 standard requires that the builder is the one that initiates this * step, and this is the only way short of a circular reference that we can * do that. * * Example: if a startTag even for a `script` name is fired, and the startTag() * implementation returns Tokenizer::TEXTMODE_RAW, then the tokenizer will * switch into RAW text mode and consume data until it reaches a closing * `script` tag. * * The textmode is automatically reset to Tokenizer::TEXTMODE_NORMAL when the * closing tag is encounter. **This behavior may change.** * * @param string $name The tag name. * @param array $attributes An array with all of the tag's attributes. * @param bool $selfClosing An indicator of whether or not this tag is self-closing (<foo/>). * * @return int one of the Tokenizer::TEXTMODE_* constants */ public function startTag($name, $attributes = array(), $selfClosing = false); /** * An end-tag. */ public function endTag($name); /** * A comment section (unparsed character data). */ public function comment($cdata); /** * A unit of parsed character data. * * Entities in this text are *already decoded*. */ public function text($cdata); /** * Indicates that the document has been entirely processed. */ public function eof(); /** * Emitted when the parser encounters an error condition. */ public function parseError($msg, $line, $col); /** * A CDATA section. * * @param string $data * The unparsed character data */ public function cdata($data); /** * This is a holdover from the XML spec. * * While user agents don't get PIs, server-side does. * * @param string $name The name of the processor (e.g. 'php'). * @param string $data The unparsed data. */ public function processingInstruction($name, $data = null); }
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