1 files changed, 93 insertions, 0 deletions
diff --git a/source/base/Endian.c b/source/base/Endian.c
new file mode 100644
index 0000000..5eb3c81
--- /dev/null
+++ b/source/base/Endian.c
@@ -0,0 +1,93 @@
+//
+// Endian.c - MrsWatson
+// Created by Nik Reiman on 10 Dec 14.
+// Copyright (c) 2014 Teragon Audio. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// * Redistributions of source code must retain the above copyright notice,
+//   this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright notice,
+//   this list of conditions and the following disclaimer in the documentation
+//   and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+
+#include "base/Endian.h"
+#include "base/PlatformInfo.h"
+
+unsigned short flipShortEndian(const unsigned short value)
+{
+    return (value << 8) | (value >> 8);
+}
+
+unsigned short convertBigEndianShortToPlatform(const unsigned short value)
+{
+    if (platformInfoIsLittleEndian()) {
+        return (value << 8) | (value >> 8);
+    } else {
+        return value;
+    }
+}
+
+unsigned int convertBigEndianIntToPlatform(const unsigned int value)
+{
+    if (platformInfoIsLittleEndian()) {
+        return (value << 24) | ((value << 8) & 0x00ff0000) | ((value >> 8) & 0x0000ff00) | (value >> 24);
+    } else {
+        return value;
+    }
+}
+
+unsigned int convertLittleEndianIntToPlatform(const unsigned int value)
+{
+    if (!platformInfoIsLittleEndian()) {
+        return (value << 24) | ((value << 8) & 0x00ff0000) | ((value >> 8) & 0x0000ff00) | (value >> 24);
+    } else {
+        return value;
+    }
+}
+
+unsigned short convertByteArrayToUnsignedShort(const byte *value)
+{
+    if (platformInfoIsLittleEndian()) {
+        return ((value[1] << 8) & 0x0000ff00) | value[0];
+    } else {
+        return ((value[0] << 8) & 0x0000ff00) | value[1];
+    }
+}
+
+unsigned int convertByteArrayToUnsignedInt(const byte *value)
+{
+    if (platformInfoIsLittleEndian()) {
+        return ((value[3] << 24) | ((value[2] << 16) & 0x00ff0000) |
+                ((value[1] << 8) & 0x0000ff00) | value[0]);
+    } else {
+        return ((value[0] << 24) | ((value[1] << 16) & 0x00ff0000) |
+                ((value[2] << 8) & 0x0000ff00) | value[0]);
+    }
+}
+
+float convertBigEndianFloatToPlatform(const float value)
+{
+    float result = 0.0f;
+    byte *floatToConvert = (byte *)&value;
+    byte *floatResult = (byte *)&result;
+    floatResult[0] = floatToConvert[3];
+    floatResult[1] = floatToConvert[2];
+    floatResult[2] = floatToConvert[1];
+    floatResult[3] = floatToConvert[0];
+    return result;
+}