1 files changed, 77 insertions, 0 deletions
diff --git a/libccnx-common/ccnx/common/ccnx_NameSegmentNumber.c b/libccnx-common/ccnx/common/ccnx_NameSegmentNumber.c
new file mode 100755
index 00000000..b7187158
--- /dev/null
+++ b/libccnx-common/ccnx/common/ccnx_NameSegmentNumber.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * 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 <config.h>
+#include <LongBow/runtime.h>
+
+#include <ccnx/common/ccnx_NameSegmentNumber.h>
+#include <ccnx/common/ccnx_NameSegment.h>
+
+#include <parc/algol/parc_Buffer.h>
+#include <parc/algol/parc_BufferComposer.h>
+
+bool
+ccnxNameSegmentNumber_IsValid(const CCNxNameSegment *nameSegment)
+{
+    bool result = false;
+
+    size_t remaining = parcBuffer_Remaining(ccnxNameSegment_GetValue(nameSegment));
+    if (remaining > 0 && remaining < 8) {
+        result = true;
+    }
+
+    return result;
+}
+
+void
+ccnxNameSegmentNumber_AssertValid(const CCNxNameSegment *nameSegment)
+{
+    assertTrue(ccnxNameSegmentNumber_IsValid(nameSegment), "Encountered an invalid CCNxNameSegment");
+}
+
+CCNxNameSegment *
+ccnxNameSegmentNumber_Create(CCNxNameLabelType type, uint64_t value)
+{
+    PARCBufferComposer *composer = parcBufferComposer_Create();
+
+    bool mustContinue = false;
+    for (int byte = 7; byte >= 0; byte--) {
+        uint8_t b = (value >> (byte * 8)) & 0xFF;
+        if (b != 0 || byte == 0 || mustContinue) {
+            parcBufferComposer_PutUint8(composer, b);
+            mustContinue = true;
+        }
+    }
+    PARCBuffer *buffer = parcBuffer_Flip(parcBufferComposer_GetBuffer(composer));
+    CCNxNameSegment *segment = ccnxNameSegment_CreateTypeValue(type, buffer);
+    parcBufferComposer_Release(&composer);
+
+    return segment;
+}
+
+uint64_t
+ccnxNameSegmentNumber_Value(const CCNxNameSegment *nameSegment)
+{
+    const PARCBuffer *buffer = ccnxNameSegment_GetValue(nameSegment);
+
+    uint64_t result = 0;
+
+    for (size_t i = 0; i < parcBuffer_Remaining(buffer); i++) {
+        result = (result << 8) | parcBuffer_GetAtIndex(buffer, i);
+    }
+    return result;
+}