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53 lines
1.3 KiB
PHP
53 lines
1.3 KiB
PHP
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<?php
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/*
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* Copyright 2011 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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abstract class AphrontView {
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protected $children = array();
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final public function appendChild($child) {
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$this->children[] = $child;
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return $this;
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}
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final protected function renderChildren() {
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$out = array();
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foreach ($this->children as $child) {
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$out[] = $this->renderChild($child);
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}
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return implode('', $out);
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}
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private function renderChild($child) {
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if ($child instanceof AphrontView) {
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return $child->render();
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} else if (is_array($child)) {
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$out = array();
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foreach ($child as $element) {
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$out[] = $this->renderChild($element);
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}
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return implode('', $out);
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} else {
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return $child;
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}
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}
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abstract public function render();
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}
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