Update AuthSchemeResolverBase.h from UnorderedMap to Array

Author: sbaluja

src/aws-cpp-sdk-core/include/smithy/identity/auth/AuthSchemeResolverBase.h

@@ -8,22 +8,21 @@
 #include <smithy/identity/signer/AwsSignerBase.h>
 
 #include <aws/crt/Variant.h>
-#include <aws/core/utils/memory/stl/AWSMap.h>
 #include <aws/core/utils/memory/stl/AWSVector.h>
 
 namespace smithy {
 
-static char SIGV4_PREFERENCE[] = "sigv4";
-static char SIGV4A_PREFERENCE[] = "sigv4a";
-static char BEARER_PREFERENCE[] = "bearer";
-static char NO_AUTH_PREFERENCE[] = "noauth";
+static const char SIGV4_PREFERENCE[] = "sigv4";
+static const char SIGV4A_PREFERENCE[] = "sigv4a";
+static const char BEARER_PREFERENCE[] = "bearer";
+static const char NO_AUTH_PREFERENCE[] = "noauth";
 
 // Global map from auth scheme name (trimmed ID) to full ID for case insensitive lookup
-static const Aws::UnorderedMap<Aws::String, Aws::String> AUTH_SCHEME_NAME_TO_ID = {
-  {SIGV4_PREFERENCE, "aws.auth#sigv4"},
-  {SIGV4A_PREFERENCE, "aws.auth#sigv4a"},
-  {BEARER_PREFERENCE, "smithy.api#HTTPBearerAuth"},
-  {NO_AUTH_PREFERENCE, "smithy.api#noAuth"}
+static const Aws::Array<std::pair<const char*, const char*>, 4> AUTH_SCHEME_NAME_TO_ID = {
+    std::make_pair(SIGV4_PREFERENCE, "aws.auth#sigv4"),
+    std::make_pair(SIGV4A_PREFERENCE, "aws.auth#sigv4a"),
+    std::make_pair(BEARER_PREFERENCE, "smithy.api#HTTPBearerAuth"),
+    std::make_pair(NO_AUTH_PREFERENCE, "smithy.api#noAuth")
 };
 
 /**
@@ -73,10 +72,10 @@ class AuthSchemeResolverBase
 
     Aws::Vector<AuthSchemeOption> filtered;
     for (const auto& pref : preferences) {
-      auto prefSchemeIt = AUTH_SCHEME_NAME_TO_ID.find(Aws::Utils::StringUtils::ToLower(pref.c_str()));
+      auto prefSchemeIt = find_if(AUTH_SCHEME_NAME_TO_ID.begin(), AUTH_SCHEME_NAME_TO_ID.end(), [&](const std::pair<const char*, const char*> &pair) { return Aws::Utils::StringUtils::ToLower(pref.c_str()) == pair.first; });
       if (prefSchemeIt == AUTH_SCHEME_NAME_TO_ID.end()) continue;
       for (const auto& option : options) {
-        if (option.schemeId == prefSchemeIt->second) {
+        if (strcmp(option.schemeId, prefSchemeIt->second) == 0) {
           filtered.push_back(option);
           break;
         }