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