Developer Experience Release. Added LMS and code refactor.

utils.cpp

@@ -0,0 +1,70 @@
+/*
+Copyright 2019 Intel Corporation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#include "utils.h"
+#include <vector>
+#include <string>
+#include <cpprest/streams.h>
+
+std::string util_encode_base64(std::string str)
+{
+    std::vector<unsigned char> strVector(str.begin(), str.end());
+    utility::string_t base64 = utility::conversions::to_base64(strVector);
+    std::string encodedString = utility::conversions::to_utf8string(base64);
+
+    return encodedString;
+}
+
+std::string util_decode_base64(std::string str)
+{
+    utility::string_t serializedData = utility::conversions::to_string_t(str);
+    std::vector<unsigned char> strVector = utility::conversions::from_base64(serializedData);
+    std::string decodedString(strVector.begin(), strVector.end());
+
+    return decodedString;
+}
+
+bool util_is_printable(std::string str)
+{
+    for (char c : str)
+    {
+        if (!std::isprint(c))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool util_format_uuid(std::vector<unsigned char> uuid_bytes, std::string& uuid_string)
+{
+    if (uuid_bytes.size() != 16) return false;
+
+    char tmp[100];
+    snprintf(tmp, 100, 
+        "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+        uuid_bytes[3], uuid_bytes[2], uuid_bytes[1], uuid_bytes[0],
+        uuid_bytes[5], uuid_bytes[4],
+        uuid_bytes[7], uuid_bytes[6],
+        uuid_bytes[8], uuid_bytes[9],
+        uuid_bytes[10], uuid_bytes[11], uuid_bytes[12], uuid_bytes[13], uuid_bytes[14], uuid_bytes[15]);
+
+    uuid_string = tmp;
+
+    return true;
+}
+