update 1.0.8.0

Commits for version update

vendor/aws/aws-sdk-php/src/functions.php

@@ -0,0 +1,351 @@
+<?php
+namespace Aws;
+
+use Psr\Http\Message\RequestInterface;
+use GuzzleHttp\ClientInterface;
+use GuzzleHttp\Promise\FulfilledPromise;
+
+//-----------------------------------------------------------------------------
+// Functional functions
+//-----------------------------------------------------------------------------
+
+/**
+ * Returns a function that always returns the same value;
+ *
+ * @param mixed $value Value to return.
+ *
+ * @return callable
+ */
+function constantly($value)
+{
+    return function () use ($value) { return $value; };
+}
+
+/**
+ * Filters values that do not satisfy the predicate function $pred.
+ *
+ * @param mixed    $iterable Iterable sequence of data.
+ * @param callable $pred Function that accepts a value and returns true/false
+ *
+ * @return \Generator
+ */
+function filter($iterable, callable $pred)
+{
+    foreach ($iterable as $value) {
+        if ($pred($value)) {
+            yield $value;
+        }
+    }
+}
+
+/**
+ * Applies a map function $f to each value in a collection.
+ *
+ * @param mixed    $iterable Iterable sequence of data.
+ * @param callable $f        Map function to apply.
+ *
+ * @return \Generator
+ */
+function map($iterable, callable $f)
+{
+    foreach ($iterable as $value) {
+        yield $f($value);
+    }
+}
+
+/**
+ * Creates a generator that iterates over a sequence, then iterates over each
+ * value in the sequence and yields the application of the map function to each
+ * value.
+ *
+ * @param mixed    $iterable Iterable sequence of data.
+ * @param callable $f        Map function to apply.
+ *
+ * @return \Generator
+ */
+function flatmap($iterable, callable $f)
+{
+    foreach (map($iterable, $f) as $outer) {
+        foreach ($outer as $inner) {
+            yield $inner;
+        }
+    }
+}
+
+/**
+ * Partitions the input sequence into partitions of the specified size.
+ *
+ * @param mixed    $iterable Iterable sequence of data.
+ * @param int $size Size to make each partition (except possibly the last chunk)
+ *
+ * @return \Generator
+ */
+function partition($iterable, $size)
+{
+    $buffer = [];
+    foreach ($iterable as $value) {
+        $buffer[] = $value;
+        if (count($buffer) === $size) {
+            yield $buffer;
+            $buffer = [];
+        }
+    }
+
+    if ($buffer) {
+        yield $buffer;
+    }
+}
+
+/**
+ * Returns a function that invokes the provided variadic functions one
+ * after the other until one of the functions returns a non-null value.
+ * The return function will call each passed function with any arguments it
+ * is provided.
+ *
+ *     $a = function ($x, $y) { return null; };
+ *     $b = function ($x, $y) { return $x + $y; };
+ *     $fn = \Aws\or_chain($a, $b);
+ *     echo $fn(1, 2); // 3
+ *
+ * @return callable
+ */
+function or_chain()
+{
+    $fns = func_get_args();
+    return function () use ($fns) {
+        $args = func_get_args();
+        foreach ($fns as $fn) {
+            $result = $args ? call_user_func_array($fn, $args) : $fn();
+            if ($result) {
+                return $result;
+            }
+        }
+        return null;
+    };
+}
+
+//-----------------------------------------------------------------------------
+// JSON compiler and loading functions
+//-----------------------------------------------------------------------------
+
+/**
+ * Loads a compiled JSON file from a PHP file.
+ *
+ * If the JSON file has not been cached to disk as a PHP file, it will be loaded
+ * from the JSON source file and returned.
+ *
+ * @param string $path Path to the JSON file on disk
+ *
+ * @return mixed Returns the JSON decoded data. Note that JSON objects are
+ *     decoded as associative arrays.
+ */
+function load_compiled_json($path)
+{
+    if ($compiled = @include("$path.php")) {
+        return $compiled;
+    }
+
+    if (!file_exists($path)) {
+        throw new \InvalidArgumentException(
+            sprintf("File not found: %s", $path)
+        );
+    }
+
+    return json_decode(file_get_contents($path), true);
+}
+
+/**
+ * No-op
+ */
+function clear_compiled_json()
+{
+    // pass
+}
+
+//-----------------------------------------------------------------------------
+// Directory iterator functions.
+//-----------------------------------------------------------------------------
+
+/**
+ * Iterates over the files in a directory and works with custom wrappers.
+ *
+ * @param string   $path Path to open (e.g., "s3://foo/bar").
+ * @param resource $context Stream wrapper context.
+ *
+ * @return \Generator Yields relative filename strings.
+ */
+function dir_iterator($path, $context = null)
+{
+    $dh = $context ? opendir($path, $context) : opendir($path);
+    if (!$dh) {
+        throw new \InvalidArgumentException('File not found: ' . $path);
+    }
+    while (($file = readdir($dh)) !== false) {
+        yield $file;
+    }
+    closedir($dh);
+}
+
+/**
+ * Returns a recursive directory iterator that yields absolute filenames.
+ *
+ * This iterator is not broken like PHP's built-in DirectoryIterator (which
+ * will read the first file from a stream wrapper, then rewind, then read
+ * it again).
+ *
+ * @param string   $path    Path to traverse (e.g., s3://bucket/key, /tmp)
+ * @param resource $context Stream context options.
+ *
+ * @return \Generator Yields absolute filenames.
+ */
+function recursive_dir_iterator($path, $context = null)
+{
+    $invalid = ['.' => true, '..' => true];
+    $pathLen = strlen($path) + 1;
+    $iterator = dir_iterator($path, $context);
+    $queue = [];
+    do {
+        while ($iterator->valid()) {
+            $file = $iterator->current();
+            $iterator->next();
+            if (isset($invalid[basename($file)])) {
+                continue;
+            }
+            $fullPath = "{$path}/{$file}";
+            yield $fullPath;
+            if (is_dir($fullPath)) {
+                $queue[] = $iterator;
+                $iterator = map(
+                    dir_iterator($fullPath, $context),
+                    function ($file) use ($fullPath, $pathLen) {
+                        return substr("{$fullPath}/{$file}", $pathLen);
+                    }
+                );
+                continue;
+            }
+        }
+        $iterator = array_pop($queue);
+    } while ($iterator);
+}
+
+//-----------------------------------------------------------------------------
+// Misc. functions.
+//-----------------------------------------------------------------------------
+
+/**
+ * Debug function used to describe the provided value type and class.
+ *
+ * @param mixed $input
+ *
+ * @return string Returns a string containing the type of the variable and
+ *                if a class is provided, the class name.
+ */
+function describe_type($input)
+{
+    switch (gettype($input)) {
+        case 'object':
+            return 'object(' . get_class($input) . ')';
+        case 'array':
+            return 'array(' . count($input) . ')';
+        default:
+            ob_start();
+            var_dump($input);
+            // normalize float vs double
+            return str_replace('double(', 'float(', rtrim(ob_get_clean()));
+    }
+}
+
+/**
+ * Creates a default HTTP handler based on the available clients.
+ *
+ * @return callable
+ */
+function default_http_handler()
+{
+    $version = (string) ClientInterface::VERSION;
+    if ($version[0] === '5') {
+        return new \Aws\Handler\GuzzleV5\GuzzleHandler();
+    } elseif ($version[0] === '6') {
+        return new \Aws\Handler\GuzzleV6\GuzzleHandler();
+    } else {
+        throw new \RuntimeException('Unknown Guzzle version: ' . $version);
+    }
+}
+
+/**
+ * Serialize a request for a command but do not send it.
+ *
+ * Returns a promise that is fulfilled with the serialized request.
+ *
+ * @param CommandInterface $command Command to serialize.
+ *
+ * @return RequestInterface
+ * @throws \RuntimeException
+ */
+function serialize(CommandInterface $command)
+{
+    $request = null;
+    $handlerList = $command->getHandlerList();
+
+    // Return a mock result.
+    $handlerList->setHandler(
+        function (CommandInterface $_, RequestInterface $r) use (&$request) {
+            $request = $r;
+            return new FulfilledPromise(new Result([]));
+        }
+    );
+
+    call_user_func($handlerList->resolve(), $command)->wait();
+    if (!$request instanceof RequestInterface) {
+        throw new \RuntimeException(
+            'Calling handler did not serialize request'
+        );
+    }
+
+    return $request;
+}
+
+/**
+ * Retrieves data for a service from the SDK's service manifest file.
+ *
+ * Manifest data is stored statically, so it does not need to be loaded more
+ * than once per process. The JSON data is also cached in opcache.
+ *
+ * @param string $service Case-insensitive namespace or endpoint prefix of the
+ *                        service for which you are retrieving manifest data.
+ *
+ * @return array
+ * @throws \InvalidArgumentException if the service is not supported.
+ */
+function manifest($service = null)
+{
+    // Load the manifest and create aliases for lowercased namespaces
+    static $manifest = [];
+    static $aliases = [];
+    if (empty($manifest)) {
+        $manifest = load_compiled_json(__DIR__ . '/data/manifest.json');
+        foreach ($manifest as $endpoint => $info) {
+            $alias = strtolower($info['namespace']);
+            if ($alias !== $endpoint) {
+                $aliases[$alias] = $endpoint;
+            }
+        }
+    }
+
+    // If no service specified, then return the whole manifest.
+    if ($service === null) {
+        return $manifest;
+    }
+
+    // Look up the service's info in the manifest data.
+    $service = strtolower($service);
+    if (isset($manifest[$service])) {
+        return $manifest[$service] + ['endpoint' => $service];
+    } elseif (isset($aliases[$service])) {
+        return manifest($aliases[$service]);
+    } else {
+        throw new \InvalidArgumentException(
+            "The service \"{$service}\" is not provided by the AWS SDK for PHP."
+        );
+    }
+}