protected function read_tag()
{
if ($this->char !== '<') {
$this->root->_[HDOM_INFO_END] = $this->cursor;
return false;
}
$begin_tag_pos = $this->pos;
$this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
// next
// end tag
if ($this->char === '/') {
$this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
// next
// This represetns the change in the simple_html_dom trunk from revision 180 to 181.
// $this->skip($this->token_blank_t);
$this->skip($this->token_blank);
$tag = $this->copy_until_char('>');
// skip attributes in end tag
if (($pos = strpos($tag, ' ')) !== false) {
$tag = substr($tag, 0, $pos);
}
$parent_lower = strtolower($this->parent->tag);
$tag_lower = strtolower($tag);
if ($parent_lower !== $tag_lower) {
if (isset($this->optional_closing_tags[$parent_lower]) && isset($this->block_tags[$tag_lower])) {
$this->parent->_[HDOM_INFO_END] = 0;
$org_parent = $this->parent;
while ($this->parent->parent && strtolower($this->parent->tag) !== $tag_lower) {
$this->parent = $this->parent->parent;
}
if (strtolower($this->parent->tag) !== $tag_lower) {
$this->parent = $org_parent;
// restore origonal parent
if ($this->parent->parent) {
$this->parent = $this->parent->parent;
}
$this->parent->_[HDOM_INFO_END] = $this->cursor;
return $this->as_text_node($tag);
}
} else {
if ($this->parent->parent && isset($this->block_tags[$tag_lower])) {
$this->parent->_[HDOM_INFO_END] = 0;
$org_parent = $this->parent;
while ($this->parent->parent && strtolower($this->parent->tag) !== $tag_lower) {
$this->parent = $this->parent->parent;
}
if (strtolower($this->parent->tag) !== $tag_lower) {
$this->parent = $org_parent;
// restore origonal parent
$this->parent->_[HDOM_INFO_END] = $this->cursor;
return $this->as_text_node($tag);
}
} else {
if ($this->parent->parent && strtolower($this->parent->parent->tag) === $tag_lower) {
$this->parent->_[HDOM_INFO_END] = 0;
$this->parent = $this->parent->parent;
} else {
return $this->as_text_node($tag);
}
}
}
}
$this->parent->_[HDOM_INFO_END] = $this->cursor;
if ($this->parent->parent) {
$this->parent = $this->parent->parent;
}
$this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
// next
return true;
}
$node = new simple_html_dom_node($this);
$node->_[HDOM_INFO_BEGIN] = $this->cursor;
++$this->cursor;
$tag = $this->copy_until($this->token_slash);
$node->tag_start = $begin_tag_pos;
// doctype, cdata & comments...
if (isset($tag[0]) && $tag[0] === '!') {
$node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until_char('>');
if (isset($tag[2]) && $tag[1] === '-' && $tag[2] === '-') {
$node->nodetype = HDOM_TYPE_COMMENT;
$node->tag = 'comment';
} else {
$node->nodetype = HDOM_TYPE_UNKNOWN;
$node->tag = 'unknown';
}
if ($this->char === '>') {
$node->_[HDOM_INFO_TEXT] .= '>';
}
$this->link_nodes($node, true);
$this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
// next
return true;
}
// text
if ($pos = strpos($tag, '<') !== false) {
$tag = '<' . substr($tag, 0, -1);
$node->_[HDOM_INFO_TEXT] = $tag;
$this->link_nodes($node, false);
$this->char = $this->doc[--$this->pos];
// prev
return true;
}
if (!preg_match("/^[\\w-:]+\$/", $tag)) {
$node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until('<>');
if ($this->char === '<') {
$this->link_nodes($node, false);
return true;
}
if ($this->char === '>') {
$node->_[HDOM_INFO_TEXT] .= '>';
}
$this->link_nodes($node, false);
$this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
// next
return true;
}
// begin tag
$node->nodetype = HDOM_TYPE_ELEMENT;
$tag_lower = strtolower($tag);
$node->tag = $this->lowercase ? $tag_lower : $tag;
// handle optional closing tags
if (isset($this->optional_closing_tags[$tag_lower])) {
while (isset($this->optional_closing_tags[$tag_lower][strtolower($this->parent->tag)])) {
$this->parent->_[HDOM_INFO_END] = 0;
$this->parent = $this->parent->parent;
}
$node->parent = $this->parent;
}
$guard = 0;
// prevent infinity loop
$space = array($this->copy_skip($this->token_blank), '', '');
// attributes
do {
if ($this->char !== null && $space[0] === '') {
break;
}
$name = $this->copy_until($this->token_equal);
if ($guard === $this->pos) {
$this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
// next
continue;
}
$guard = $this->pos;
// handle endless '<'
if ($this->pos >= $this->size - 1 && $this->char !== '>') {
$node->nodetype = HDOM_TYPE_TEXT;
$node->_[HDOM_INFO_END] = 0;
$node->_[HDOM_INFO_TEXT] = '<' . $tag . $space[0] . $name;
$node->tag = 'text';
$this->link_nodes($node, false);
return true;
}
// handle mismatch '<'
if ($this->doc[$this->pos - 1] == '<') {
$node->nodetype = HDOM_TYPE_TEXT;
$node->tag = 'text';
$node->attr = array();
$node->_[HDOM_INFO_END] = 0;
$node->_[HDOM_INFO_TEXT] = substr($this->doc, $begin_tag_pos, $this->pos - $begin_tag_pos - 1);
$this->pos -= 2;
$this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
// next
$this->link_nodes($node, false);
return true;
}
if ($name !== '/' && $name !== '') {
$space[1] = $this->copy_skip($this->token_blank);
$name = $this->restore_noise($name);
if ($this->lowercase) {
$name = strtolower($name);
}
if ($this->char === '=') {
$this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
// next
$this->parse_attr($node, $name, $space);
} else {
//no value attr: nowrap, checked selected...
$node->_[HDOM_INFO_QUOTE][] = HDOM_QUOTE_NO;
$node->attr[$name] = true;
if ($this->char != '>') {
$this->char = $this->doc[--$this->pos];
}
// prev
}
$node->_[HDOM_INFO_SPACE][] = $space;
$space = array($this->copy_skip($this->token_blank), '', '');
} else {
break;
}
} while ($this->char !== '>' && $this->char !== '/');
$this->link_nodes($node, true);
$node->_[HDOM_INFO_ENDSPACE] = $space[0];
// check self closing
if ($this->copy_until_char_escape('>') === '/') {
$node->_[HDOM_INFO_ENDSPACE] .= '/';
$node->_[HDOM_INFO_END] = 0;
} else {
// reset parent
if (!isset($this->self_closing_tags[strtolower($node->tag)])) {
$this->parent = $node;
}
}
$this->char = ++$this->pos < $this->size ? $this->doc[$this->pos] : null;
// next
// If it's a BR tag, we need to set it's text to the default text.
// This way when we see it in plaintext, we can generate formatting that the user wants.
if ($node->tag == "br") {
$node->_[HDOM_INFO_INNER] = $this->default_br_text;
}
return true;
}
