81 lines
1.8 KiB
PHP
81 lines
1.8 KiB
PHP
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<?php
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/**
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* Copyright 2017 Google Inc. All Rights Reserved.
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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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namespace Google\Cloud\Storage;
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use Google\Cloud\Core\Iterator\PageIteratorTrait;
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/**
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* ObjectPageIterator
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*
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* Iterates over a set of pages containing
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* {@see StorageObject} items.
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*/
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class ObjectPageIterator implements \Iterator
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{
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use PageIteratorTrait;
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/**
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* @var array
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*/
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private $prefixes = [];
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/**
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* Gets a list of prefixes of objects matching-but-not-listed up to and
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* including the requested delimiter.
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*
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* @return array
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*/
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public function prefixes()
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{
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return $this->prefixes;
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}
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/**
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* Get the current page.
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*
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* @return array|null
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*/
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#[\ReturnTypeWillChange]
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public function current()
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{
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if (!$this->page) {
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$this->page = $this->executeCall();
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}
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if (isset($this->page['prefixes'])) {
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$this->updatePrefixes();
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}
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return $this->get($this->itemsPath, $this->page);
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}
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/**
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* Add new prefixes to the list.
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*
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* @return void
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*/
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private function updatePrefixes()
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{
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foreach ($this->page['prefixes'] as $prefix) {
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if (!in_array($prefix, $this->prefixes)) {
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$this->prefixes[] = $prefix;
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}
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}
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}
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}
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