first commit -> move some files from one-api

vendor/aws_sdk/Aws/EndpointV2/Rule/EndpointRule.php

@@ -0,0 +1,111 @@
+<?php
+
+namespace Aws\EndpointV2\Rule;
+
+use Aws\EndpointV2\Ruleset\RulesetStandardLibrary;
+use Aws\EndpointV2\Ruleset\RulesetEndpoint;
+
+class EndpointRule extends AbstractRule
+{
+    /** @var array */
+    private $endpoint;
+
+    public function __construct(array $definition)
+    {
+        parent::__construct($definition);
+        $this->endpoint = $definition['endpoint'];
+    }
+
+    /**
+     * @return array
+     */
+    public function getEndpoint()
+    {
+        return $this->endpoint;
+    }
+
+    /**
+     * If all the rule's conditions are met, return the resolved
+     * endpoint object.
+     *
+     * @return RulesetEndpoint | null
+     */
+    public function evaluate(array $inputParameters, RulesetStandardLibrary $standardLibrary)
+    {
+        if ($this->evaluateConditions($inputParameters, $standardLibrary)) {
+            return $this->resolve($inputParameters, $standardLibrary);
+        }
+        return false;
+    }
+
+    /**
+     * Given input parameters, resolve an endpoint in its entirety.
+     *
+     * @return RulesetEndpoint
+     */
+    private function resolve(
+        array $inputParameters,
+        RulesetStandardLibrary $standardLibrary
+    )
+    {
+        $uri = $standardLibrary->resolveValue($this->endpoint['url'], $inputParameters);
+        $properties = isset($this->endpoint['properties'])
+                ? $this->resolveProperties($this->endpoint['properties'], $inputParameters, $standardLibrary)
+                : null;
+        $headers = $this->resolveHeaders($inputParameters, $standardLibrary);
+
+        return new RulesetEndpoint($uri, $properties, $headers);
+    }
+
+    /**
+     * Recurse through an endpoint's `properties` attribute, resolving template
+     * strings when found. Return the fully resolved attribute.
+     *
+     * @return array
+     */
+    private function resolveProperties(
+        $properties,
+        array $inputParameters,
+        RulesetStandardLibrary $standardLibrary
+    )
+    {
+        if (is_array($properties)) {
+           $propertiesArr = [];
+           foreach($properties as $key => $val) {
+               $propertiesArr[$key] = $this->resolveProperties($val, $inputParameters, $standardLibrary);
+           }
+           return $propertiesArr;
+        } elseif ($standardLibrary->isTemplate($properties)) {
+            return $standardLibrary->resolveTemplateString($properties, $inputParameters);
+        }
+        return $properties;
+    }
+
+    /**
+     * If present, iterate through an endpoint's headers attribute resolving
+     * values along the way. Return the fully resolved attribute.
+     *
+     * @return array
+     */
+    private function resolveHeaders(
+        array $inputParameters,
+        RulesetStandardLibrary $standardLibrary
+    )
+    {
+        $headers = isset($this->endpoint['headers']) ? $this->endpoint['headers'] : null;
+        if (is_null($headers)) {
+            return null;
+        }
+        $resolvedHeaders = [];
+
+        foreach($headers as $headerName => $headerValues) {
+            $resolvedValues = [];
+            foreach($headerValues as $value) {
+                $resolvedValue = $standardLibrary->resolveValue($value, $inputParameters, $standardLibrary);
+                $resolvedValues[] = $resolvedValue;
+            }
+            $resolvedHeaders[$headerName] = $resolvedValues;
+        }
+        return $resolvedHeaders;
+    }
+}