Add support for string array ep context params (#646)

Author: DmitriyMusatkin

include/aws/crt/endpoints/RuleEngine.h

@@ -53,6 +53,13 @@ namespace Aws
                  */
                 bool AddBoolean(const ByteCursor &name, bool value);
 
+                /*
+                 * Add string array parameter.
+                 * True if added successfully and false if failed.
+                 * Aws::Crt::LastError() can be used to retrieve failure error code.
+                 */
+                bool AddStringArray(const ByteCursor &name, const Vector<ByteCursor> &value);
+
                 /// @private
                 aws_endpoints_request_context *GetNativeHandle() const noexcept { return m_requestContext; }
 

source/endpoints/RuleEngine.cpp

@@ -37,6 +37,12 @@ namespace Aws
                        aws_endpoints_request_context_add_boolean(m_allocator, m_requestContext, name, value);
             }
 
+            bool RequestContext::AddStringArray(const ByteCursor &name, const Vector<ByteCursor> &value)
+            {
+                return AWS_OP_SUCCESS != aws_endpoints_request_context_add_string_array(
+                                             m_allocator, m_requestContext, name, value.data(), value.size());
+            }
+
             ResolutionOutcome::ResolutionOutcome(aws_endpoints_resolved_endpoint *impl) : m_resolvedEndpoint(impl) {}
 
             ResolutionOutcome::ResolutionOutcome(ResolutionOutcome &&toMove) noexcept

tests/RuleEngineTest.cpp

@@ -173,3 +173,21 @@ static int s_TestRuleEngine(struct aws_allocator *allocator, void *ctx)
 }
 
 AWS_TEST_CASE(RuleEngine, s_TestRuleEngine)
+
+static int s_TestRuleEngineContextParams(struct aws_allocator *allocator, void *ctx)
+{
+    (void)ctx;
+
+    Aws::Crt::ApiHandle apiHandle(allocator);
+
+    Aws::Crt::Endpoints::RequestContext context(allocator);
+    context.AddString(ByteCursorFromCString("Region"), ByteCursorFromCString("us-west-2"));
+    context.AddBoolean(ByteCursorFromCString("AValidBoolParam"), false);
+    context.AddStringArray(ByteCursorFromCString("StringArray1"), {});
+    context.AddStringArray(
+        ByteCursorFromCString("StringArray2"), {ByteCursorFromCString("a"), ByteCursorFromCString("b")});
+
+    return AWS_OP_SUCCESS;
+}
+
+AWS_TEST_CASE(RuleEngineContextParams, s_TestRuleEngineContextParams)