Diff: dataserializer.c

Revision:

0:1f9b2707ec7d

Child:

10:c2aee3965a83

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dataserializer.c	Tue Sep 15 21:57:26 2015 -0700
@@ -0,0 +1,62 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+#include <stdlib.h>
+#ifdef _CRTDBG_MAP_ALLOC
+#include <crtdbg.h>
+#endif
+#include "gballoc.h"
+
+#include "dataserializer.h"
+#include "iot_logging.h"
+
+DEFINE_ENUM_STRINGS(DATA_SERIALIZER_RESULT, DATA_SERIALIZER_RESULT_VALUES);
+
+BUFFER_HANDLE DataSerializer_Encode(MULTITREE_HANDLE multiTreeHandle, DATA_SERIALIZER_MULTITREE_TYPE dataType, DATA_SERIALIZER_ENCODE_FUNC encodeFunc)
+{
+    BUFFER_HANDLE pBuffer;
+
+    /* Codes_SRS_DATA_SERIALIZER_07_003: [NULL shall be returned when an invalid parameter is supplied.] */
+    if (multiTreeHandle == NULL || encodeFunc == NULL)
+    {
+        pBuffer = NULL;
+        LogError("(Error code: %s)\r\n", ENUM_TO_STRING(DATA_SERIALIZER_RESULT, DATA_SERIALIZER_INVALID_ARG) );
+    }
+    else
+    {
+        /* Codes_SRS_DATA_SERIALIZER_07_009: [DataSerializer_Encode function shall call into the given DATA_SERIALIZER_ENCODE_FUNC callback with a valid BUFFER object and valid MULTITREE_HANDLE object.] */
+        pBuffer = encodeFunc(multiTreeHandle, dataType);
+        if (pBuffer == NULL)
+        {
+            /* Codes_SRS_DATA_SERIALIZER_07_010: [Upon a DATA_SERIALIZER_ENCODE_FUNC failure the DataSerializer_Encode function shall return NULL.] */
+            LogError("(Error code: %s)\r\n", ENUM_TO_STRING(DATA_SERIALIZER_RESULT, DATA_SERIALIZER_ERROR) );
+        }
+    }
+    /* Codes_SRS_DATA_SERIALIZER_07_002: [DataSerializer_Encode shall return a valid BUFFER_HANDLE when the function executes successfully.] */
+    return pBuffer;
+}
+
+MULTITREE_HANDLE DataSerializer_Decode(BUFFER_HANDLE data, DATA_SERIALIZER_DECODE_FUNC decodeFunc)
+{
+    MULTITREE_HANDLE multiTreeHandle;
+
+    /* Codes_SRS_DATA_SERIALIZER_07_007: [NULL shall be returned when an invalid parameter is supplied.] */
+    if (data == NULL || decodeFunc == NULL)
+    {
+        multiTreeHandle = NULL;
+        LogError("(Error code: %s)\r\n", ENUM_TO_STRING(DATA_SERIALIZER_RESULT, DATA_SERIALIZER_INVALID_ARG) );
+    }
+    else
+    {
+        /* Codes_SRS_DATA_SERIALIZER_07_012: [DataSerializer_Decode function shall call into the given DATA_SERIALIZER_DECODE_FUNC callback with a valid BUFFER object and valid MULTITREE_HANDLE object.] */
+        multiTreeHandle = decodeFunc(data);
+        if (multiTreeHandle == NULL)
+        {
+            /* Codes_SRS_DATA_SERIALIZER_07_013: [Upon a DATA_SERIALIZER_DECODE_FUNC callback failure the DataSerializer_Encode function Shall return NULL.] */
+            LogError("(Error code: %s)\r\n", ENUM_TO_STRING(DATA_SERIALIZER_RESULT, DATA_SERIALIZER_ERROR) );
+        }
+    }
+
+    /* Codes_SRS_DATA_SERIALIZER_07_006: [DataSerializer_Decode shall return a valid MULTITREE_HANDLE when the function executes successfully.] */
+    return multiTreeHandle;
+}