/**
* Process the start tag.
*
* @todo
* - XMLNS namespace handling (we need to parse, even if it's not valid)
* - XLink, MathML and SVG namespace handling
* - Omission rules: 8.1.2.4 Optional tags
*/
public function startTag($name, $attributes = array(), $selfClosing = FALSE)
{
// fprintf(STDOUT, $name);
$lname = $this->normalizeTagName($name);
// Make sure we have an html element.
if (!$this->doc->documentElement && $name !== 'html') {
$this->startTag('html');
}
// Set quirks mode if we're at IM_INITIAL with no doctype.
if ($this->insertMode == static::IM_INITIAL) {
$this->quirks = TRUE;
$this->parseError("No DOCTYPE specified.");
}
// SPECIAL TAG HANDLING:
// Spec says do this, and "don't ask."
if ($name == 'image') {
$name = 'img';
}
// Autoclose p tags where appropriate.
if ($this->insertMode >= static::IM_IN_BODY && Elements::isA($name, Elements::AUTOCLOSE_P)) {
$this->autoclose('p');
}
// Set insert mode:
switch ($name) {
case 'html':
$this->insertMode = static::IM_BEFORE_HEAD;
break;
case 'head':
if ($this->insertMode > static::IM_BEFORE_HEAD) {
$this->parseError("Unexpected head tag outside of head context.");
} else {
$this->insertMode = static::IM_IN_HEAD;
}
break;
case 'body':
$this->insertMode = static::IM_IN_BODY;
break;
case 'svg':
$this->insertMode = static::IM_IN_SVG;
break;
case 'math':
$this->insertMode = static::IM_IN_MATHML;
break;
case 'noscript':
if ($this->insertMode == static::IM_IN_HEAD) {
$this->insertMode = static::IM_IN_HEAD_NOSCRIPT;
}
break;
}
// Special case handling for SVG.
if ($this->insertMode == static::IM_IN_SVG) {
$lname = Elements::normalizeSvgElement($lname);
}
$ele = $this->doc->createElement($lname);
foreach ($attributes as $aName => $aVal) {
if ($this->insertMode == static::IM_IN_SVG) {
$aName = Elements::normalizeSvgAttribute($aName);
} elseif ($this->insertMode == static::IM_IN_MATHML) {
$aName = Elements::normalizeMathMlAttribute($aName);
}
$ele->setAttribute($aName, $aVal);
// This is necessary on a non-DTD schema, like HTML5.
if ($aName == 'id') {
$ele->setIdAttribute('id', TRUE);
}
}
// Some elements have special processing rules. Handle those separately.
if ($this->rules->hasRules($name)) {
$this->current = $this->rules->evaluate($ele, $this->current);
} else {
$this->current->appendChild($ele);
// XXX: Need to handle self-closing tags and unary tags.
if (!Elements::isA($name, Elements::VOID_TAG)) {
$this->current = $ele;
}
}
// This is sort of a last-ditch attempt to correct for cases where no head/body
// elements are provided.
if ($this->insertMode <= static::IM_BEFORE_HEAD && $name != 'head' && $name != 'html') {
$this->insertMode = static::IM_IN_BODY;
}
// Return the element mask, which the tokenizer can then use to set
// various processing rules.
return Elements::element($name);
}
protected function attrs($ele)
{
// FIXME: Needs support for xml, xmlns, xlink, and namespaced elements.
if (!$ele->hasAttributes()) {
return $this;
}
// TODO: Currently, this always writes name="value", and does not do
// value-less attributes.
$map = $ele->attributes;
$len = $map->length;
for ($i = 0; $i < $len; ++$i) {
$node = $map->item($i);
$val = $this->enc($node->value, TRUE);
// XXX: The spec says that we need to ensure that anything in
// the XML, XMLNS, or XLink NS's should use the canonical
// prefix. It seems that DOM does this for us already, but there
// may be exceptions.
$name = $node->name;
// Special handling for attributes in SVG and MathML.
// Using if/elseif instead of switch because it's faster in PHP.
if ($this->outputMode == static::IM_IN_SVG) {
$name = Elements::normalizeSvgAttribute($name);
} elseif ($this->outputMode == static::IM_IN_MATHML) {
$name = Elements::normalizeMathMlAttribute($name);
}
$this->wr(' ')->wr($name);
if (isset($val) && $val !== '') {
$this->wr('="')->wr($val)->wr('"');
}
}
}
