<?php
class H2o_Node {
var $position;
function __construct($argstring) {}
function render($context, $stream) {}
}
class NodeList extends H2o_Node implements IteratorAggregate {
var $parser;
var $list;
function __construct(&$parser, $initial = null, $position = 0) {
$this->parser = $parser;
if (is_null($initial))
$initial = array();
$this->list = $initial;
$this->position = $position;
}
function render($context, $stream) {
foreach($this->list as $node) {
$node->render($context, $stream);
}
}
function append($node) {
array_push($this->list, $node);
}
function extend($nodes) {
array_merge($this->list, $nodes);
}
function getLength() {
return count($this->list);
}
function getIterator() {
return new ArrayIterator( $this->list );
}
}
class VariableNode extends H2o_Node {
private $filters = array();
var $variable;
function __construct($variable, $filters, $position = 0) {
if (!empty($filters))
$this->filters = $filters;
$this->variable = $variable;
}
function render($context, $stream) {
$value = $context->resolve($this->variable);
$value = $context->escape($value, $this->variable);
$stream->write($value);
}
}
class CommentNode extends H2o_Node {}
class TextNode extends H2o_Node {
var $content;
function __construct($content, $position = 0) {
$this->content = $content;
$this->position = $position;
}
function render($context, $stream) {
$stream->write($this->content);
}
function is_blank() {
return strlen(trim($this->content));
}
}
?>
