Version 1

[yaffs-website] / vendor / zendframework / zend-feed / src / Reader / Extension / DublinCore / Feed.php

diff --git a/vendor/zendframework/zend-feed/src/Reader/Extension/DublinCore/Feed.php b/vendor/zendframework/zend-feed/src/Reader/Extension/DublinCore/Feed.php
new file mode 100644 (file)
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+++ b/vendor/zendframework/zend-feed/src/Reader/Extension/DublinCore/Feed.php
@@ -0,0 +1,276 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Reader\Extension\DublinCore;
+
+use DateTime;
+use Zend\Feed\Reader;
+use Zend\Feed\Reader\Collection;
+use Zend\Feed\Reader\Extension;
+
+class Feed extends Extension\AbstractFeed
+{
+    /**
+     * Get a single author
+     *
+     * @param  int $index
+     * @return string|null
+     */
+    public function getAuthor($index = 0)
+    {
+        $authors = $this->getAuthors();
+
+        if (isset($authors[$index])) {
+            return $authors[$index];
+        }
+
+        return;
+    }
+
+    /**
+     * Get an array with feed authors
+     *
+     * @return array
+     */
+    public function getAuthors()
+    {
+        if (array_key_exists('authors', $this->data)) {
+            return $this->data['authors'];
+        }
+
+        $authors = [];
+        $list    = $this->getXpath()->query('//dc11:creator');
+
+        if (! $list->length) {
+            $list = $this->getXpath()->query('//dc10:creator');
+        }
+        if (! $list->length) {
+            $list = $this->getXpath()->query('//dc11:publisher');
+
+            if (! $list->length) {
+                $list = $this->getXpath()->query('//dc10:publisher');
+            }
+        }
+
+        if ($list->length) {
+            foreach ($list as $author) {
+                $authors[] = [
+                    'name' => $author->nodeValue
+                ];
+            }
+            $authors = new Collection\Author(
+                Reader\Reader::arrayUnique($authors)
+            );
+        } else {
+            $authors = null;
+        }
+
+        $this->data['authors'] = $authors;
+
+        return $this->data['authors'];
+    }
+
+    /**
+     * Get the copyright entry
+     *
+     * @return string|null
+     */
+    public function getCopyright()
+    {
+        if (array_key_exists('copyright', $this->data)) {
+            return $this->data['copyright'];
+        }
+
+        $copyright = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc11:rights)');
+
+        if (! $copyright) {
+            $copyright = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc10:rights)');
+        }
+
+        if (! $copyright) {
+            $copyright = null;
+        }
+
+        $this->data['copyright'] = $copyright;
+
+        return $this->data['copyright'];
+    }
+
+    /**
+     * Get the feed description
+     *
+     * @return string|null
+     */
+    public function getDescription()
+    {
+        if (array_key_exists('description', $this->data)) {
+            return $this->data['description'];
+        }
+
+        $description = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc11:description)');
+
+        if (! $description) {
+            $description = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc10:description)');
+        }
+
+        if (! $description) {
+            $description = null;
+        }
+
+        $this->data['description'] = $description;
+
+        return $this->data['description'];
+    }
+
+    /**
+     * Get the feed ID
+     *
+     * @return string|null
+     */
+    public function getId()
+    {
+        if (array_key_exists('id', $this->data)) {
+            return $this->data['id'];
+        }
+
+        $id = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc11:identifier)');
+
+        if (! $id) {
+            $id = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc10:identifier)');
+        }
+
+        $this->data['id'] = $id;
+
+        return $this->data['id'];
+    }
+
+    /**
+     * Get the feed language
+     *
+     * @return string|null
+     */
+    public function getLanguage()
+    {
+        if (array_key_exists('language', $this->data)) {
+            return $this->data['language'];
+        }
+
+        $language = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc11:language)');
+
+        if (! $language) {
+            $language = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc10:language)');
+        }
+
+        if (! $language) {
+            $language = null;
+        }
+
+        $this->data['language'] = $language;
+
+        return $this->data['language'];
+    }
+
+    /**
+     * Get the feed title
+     *
+     * @return string|null
+     */
+    public function getTitle()
+    {
+        if (array_key_exists('title', $this->data)) {
+            return $this->data['title'];
+        }
+
+        $title = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc11:title)');
+
+        if (! $title) {
+            $title = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc10:title)');
+        }
+
+        if (! $title) {
+            $title = null;
+        }
+
+        $this->data['title'] = $title;
+
+        return $this->data['title'];
+    }
+
+    /**
+     *
+     *
+     * @return DateTime|null
+     */
+    public function getDate()
+    {
+        if (array_key_exists('date', $this->data)) {
+            return $this->data['date'];
+        }
+
+        $d = null;
+        $date = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc11:date)');
+
+        if (! $date) {
+            $date = $this->getXpath()->evaluate('string(' . $this->getXpathPrefix() . '/dc10:date)');
+        }
+
+        if ($date) {
+            $d = new DateTime($date);
+        }
+
+        $this->data['date'] = $d;
+
+        return $this->data['date'];
+    }
+
+    /**
+     * Get categories (subjects under DC)
+     *
+     * @return Collection\Category
+     */
+    public function getCategories()
+    {
+        if (array_key_exists('categories', $this->data)) {
+            return $this->data['categories'];
+        }
+
+        $list = $this->getXpath()->evaluate($this->getXpathPrefix() . '//dc11:subject');
+
+        if (! $list->length) {
+            $list = $this->getXpath()->evaluate($this->getXpathPrefix() . '//dc10:subject');
+        }
+
+        if ($list->length) {
+            $categoryCollection = new Collection\Category;
+            foreach ($list as $category) {
+                $categoryCollection[] = [
+                    'term' => $category->nodeValue,
+                    'scheme' => null,
+                    'label' => $category->nodeValue,
+                ];
+            }
+        } else {
+            $categoryCollection = new Collection\Category;
+        }
+
+        $this->data['categories'] = $categoryCollection;
+        return $this->data['categories'];
+    }
+
+    /**
+     * Register the default namespaces for the current feed format
+     *
+     * @return void
+     */
+    protected function registerNamespaces()
+    {
+        $this->getXpath()->registerNamespace('dc10', 'http://purl.org/dc/elements/1.0/');
+        $this->getXpath()->registerNamespace('dc11', 'http://purl.org/dc/elements/1.1/');
+    }
+}