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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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