Initial import.

vendor/guzzle/http/Guzzle/Http/Message/Header/CacheControl.php

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+<?php
+
+namespace Guzzle\Http\Message\Header;
+
+use Guzzle\Http\Message\Header;
+
+/**
+ * Provides helpful functionality for Cache-Control headers
+ */
+class CacheControl extends Header
+{
+    /** @var array */
+    protected $directives;
+
+    public function add($value)
+    {
+        parent::add($value);
+        $this->directives = null;
+    }
+
+    public function removeValue($searchValue)
+    {
+        parent::removeValue($searchValue);
+        $this->directives = null;
+    }
+
+    /**
+     * Check if a specific cache control directive exists
+     *
+     * @param string $param Directive to retrieve
+     *
+     * @return bool
+     */
+    public function hasDirective($param)
+    {
+        $directives = $this->getDirectives();
+
+        return isset($directives[$param]);
+    }
+
+    /**
+     * Get a specific cache control directive
+     *
+     * @param string $param Directive to retrieve
+     *
+     * @return string|bool|null
+     */
+    public function getDirective($param)
+    {
+        $directives = $this->getDirectives();
+
+        return isset($directives[$param]) ? $directives[$param] : null;
+    }
+
+    /**
+     * Add a cache control directive
+     *
+     * @param string $param Directive to add
+     * @param string $value Value to set
+     *
+     * @return self
+     */
+    public function addDirective($param, $value)
+    {
+        $directives = $this->getDirectives();
+        $directives[$param] = $value;
+        $this->updateFromDirectives($directives);
+
+        return $this;
+    }
+
+    /**
+     * Remove a cache control directive by name
+     *
+     * @param string $param Directive to remove
+     *
+     * @return self
+     */
+    public function removeDirective($param)
+    {
+        $directives = $this->getDirectives();
+        unset($directives[$param]);
+        $this->updateFromDirectives($directives);
+
+        return $this;
+    }
+
+    /**
+     * Get an associative array of cache control directives
+     *
+     * @return array
+     */
+    public function getDirectives()
+    {
+        if ($this->directives === null) {
+            $this->directives = array();
+            foreach ($this->parseParams() as $collection) {
+                foreach ($collection as $key => $value) {
+                    $this->directives[$key] = $value === '' ? true : $value;
+                }
+            }
+        }
+
+        return $this->directives;
+    }
+
+    /**
+     * Updates the header value based on the parsed directives
+     *
+     * @param array $directives Array of cache control directives
+     */
+    protected function updateFromDirectives(array $directives)
+    {
+        $this->directives = $directives;
+        $this->values = array();
+
+        foreach ($directives as $key => $value) {
+            $this->values[] = $value === true ? $key : "{$key}={$value}";
+        }
+    }
+}

vendor/guzzle/http/Guzzle/Http/Message/Header/HeaderCollection.php

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+<?php
+
+namespace Guzzle\Http\Message\Header;
+
+use Guzzle\Common\ToArrayInterface;
+
+/**
+ * Provides a case-insensitive collection of headers
+ */
+class HeaderCollection implements \IteratorAggregate, \Countable, \ArrayAccess, ToArrayInterface
+{
+    /** @var array */
+    protected $headers;
+
+    public function __construct($headers = array())
+    {
+        $this->headers = $headers;
+    }
+
+    public function __clone()
+    {
+        foreach ($this->headers as &$header) {
+            $header = clone $header;
+        }
+    }
+
+    /**
+     * Clears the header collection
+     */
+    public function clear()
+    {
+        $this->headers = array();
+    }
+
+    /**
+     * Set a header on the collection
+     *
+     * @param HeaderInterface $header Header to add
+     *
+     * @return self
+     */
+    public function add(HeaderInterface $header)
+    {
+        $this->headers[strtolower($header->getName())] = $header;
+
+        return $this;
+    }
+
+    /**
+     * Get an array of header objects
+     *
+     * @return array
+     */
+    public function getAll()
+    {
+        return $this->headers;
+    }
+
+    /**
+     * Alias of offsetGet
+     */
+    public function get($key)
+    {
+        return $this->offsetGet($key);
+    }
+
+    public function count()
+    {
+        return count($this->headers);
+    }
+
+    public function offsetExists($offset)
+    {
+        return isset($this->headers[strtolower($offset)]);
+    }
+
+    public function offsetGet($offset)
+    {
+        $l = strtolower($offset);
+
+        return isset($this->headers[$l]) ? $this->headers[$l] : null;
+    }
+
+    public function offsetSet($offset, $value)
+    {
+        $this->add($value);
+    }
+
+    public function offsetUnset($offset)
+    {
+        unset($this->headers[strtolower($offset)]);
+    }
+
+    public function getIterator()
+    {
+        return new \ArrayIterator($this->headers);
+    }
+
+    public function toArray()
+    {
+        $result = array();
+        foreach ($this->headers as $header) {
+            $result[$header->getName()] = $header->toArray();
+        }
+
+        return $result;
+    }
+}

vendor/guzzle/http/Guzzle/Http/Message/Header/HeaderFactory.php

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+<?php
+
+namespace Guzzle\Http\Message\Header;
+
+use Guzzle\Http\Message\Header;
+
+/**
+ * Default header factory implementation
+ */
+class HeaderFactory implements HeaderFactoryInterface
+{
+    /** @var array */
+    protected $mapping = array(
+        'cache-control' => 'Guzzle\Http\Message\Header\CacheControl',
+        'link'          => 'Guzzle\Http\Message\Header\Link',
+    );
+
+    public function createHeader($header, $value = null)
+    {
+        $lowercase = strtolower($header);
+
+        return isset($this->mapping[$lowercase])
+            ? new $this->mapping[$lowercase]($header, $value)
+            : new Header($header, $value);
+    }
+}

vendor/guzzle/http/Guzzle/Http/Message/Header/HeaderFactoryInterface.php

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+<?php
+
+namespace Guzzle\Http\Message\Header;
+
+/**
+ * Interface for creating headers
+ */
+interface HeaderFactoryInterface
+{
+    /**
+     * Create a header from a header name and a single value
+     *
+     * @param string $header Name of the header to create
+     * @param string $value  Value to set on the header
+     *
+     * @return HeaderInterface
+     */
+    public function createHeader($header, $value = null);
+}

vendor/guzzle/http/Guzzle/Http/Message/Header/HeaderInterface.php

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+<?php
+
+namespace Guzzle\Http\Message\Header;
+
+use Guzzle\Common\ToArrayInterface;
+
+interface HeaderInterface extends ToArrayInterface, \Countable, \IteratorAggregate
+{
+    /**
+     * Convert the header to a string
+     *
+     * @return string
+     */
+    public function __toString();
+
+    /**
+     * Add a value to the list of header values
+     *
+     * @param string $value Value to add to the header
+     *
+     * @return self
+     */
+    public function add($value);
+
+    /**
+     * Get the name of the header
+     *
+     * @return string
+     */
+    public function getName();
+
+    /**
+     * Change the name of the header
+     *
+     * @param string $name Name to change to
+     *
+     * @return self
+     */
+    public function setName($name);
+
+    /**
+     * Change the glue used to implode the values
+     *
+     * @param string $glue Glue used to implode multiple values
+     *
+     * @return self
+     */
+    public function setGlue($glue);
+
+    /**
+     * Get the glue used to implode multiple values into a string
+     *
+     * @return string
+     */
+    public function getGlue();
+
+    /**
+     * Check if the collection of headers has a particular value
+     *
+     * @param string $searchValue Value to search for
+     *
+     * @return bool
+     */
+    public function hasValue($searchValue);
+
+    /**
+     * Remove a specific value from the header
+     *
+     * @param string $searchValue Value to remove
+     *
+     * @return self
+     */
+    public function removeValue($searchValue);
+
+    /**
+     * Parse a header containing ";" separated data into an array of associative arrays representing the header
+     * key value pair data of the header. When a parameter does not contain a value, but just contains a key, this
+     * function will inject a key with a '' string value.
+     *
+     * @return array
+     */
+    public function parseParams();
+}

vendor/guzzle/http/Guzzle/Http/Message/Header/Link.php

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+<?php
+
+namespace Guzzle\Http\Message\Header;
+
+use Guzzle\Http\Message\Header;
+
+/**
+ * Provides helpful functionality for link headers
+ */
+class Link extends Header
+{
+    /**
+     * Add a link to the header
+     *
+     * @param string $url    Link URL
+     * @param string $rel    Link rel
+     * @param array  $params Other link parameters
+     *
+     * @return self
+     */
+    public function addLink($url, $rel, array $params = array())
+    {
+        $values = array("<{$url}>", "rel=\"{$rel}\"");
+
+        foreach ($params as $k => $v) {
+            $values[] = "{$k}=\"{$v}\"";
+        }
+
+        return $this->add(implode('; ', $values));
+    }
+
+    /**
+     * Check if a specific link exists for a given rel attribute
+     *
+     * @param string $rel rel value
+     *
+     * @return bool
+     */
+    public function hasLink($rel)
+    {
+        return $this->getLink($rel) !== null;
+    }
+
+    /**
+     * Get a specific link for a given rel attribute
+     *
+     * @param string $rel Rel value
+     *
+     * @return array|null
+     */
+    public function getLink($rel)
+    {
+        foreach ($this->getLinks() as $link) {
+            if (isset($link['rel']) && $link['rel'] == $rel) {
+                return $link;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Get an associative array of links
+     *
+     * For example:
+     * Link: <http:/.../front.jpeg>; rel=front; type="image/jpeg", <http://.../back.jpeg>; rel=back; type="image/jpeg"
+     *
+     * <code>
+     * var_export($response->getLinks());
+     * array(
+     *     array(
+     *         'url' => 'http:/.../front.jpeg',
+     *         'rel' => 'back',
+     *         'type' => 'image/jpeg',
+     *     )
+     * )
+     * </code>
+     *
+     * @return array
+     */
+    public function getLinks()
+    {
+        $links = $this->parseParams();
+
+        foreach ($links as &$link) {
+            $key = key($link);
+            unset($link[$key]);
+            $link['url'] = trim($key, '<> ');
+        }
+
+        return $links;
+    }
+}