1 files changed, 114 insertions, 0 deletions
diff --git a/shared/guid.cpp b/shared/guid.cpp
new file mode 100644
index 00000000..70282efa
--- /dev/null
+++ b/shared/guid.cpp
@@ -0,0 +1,114 @@
+#include "guid.h"
+#include <stdexcept>
+
+#ifdef FFS_WIN
+#include "Objbase.h"
+
+#elif defined FFS_LINUX
+#include "ossp_uuid/uuid++.hh"
+#endif
+
+using namespace Utility;
+
+
+#ifdef FFS_WIN
+struct UniqueId::IntData
+{
+    GUID nativeRep;
+};
+#elif defined FFS_LINUX
+struct UniqueId::IntData
+{
+    uuid nativeRep; //ossp uuid
+};
+#endif
+
+
+UniqueId::UniqueId() :
+    pData(new IntData)
+{
+#ifdef FFS_WIN
+    if (FAILED(::CoCreateGuid(&pData->nativeRep)))
+        throw std::runtime_error("Error creating UUID!");
+#elif defined FFS_LINUX
+    pData->nativeRep.make(UUID_MAKE_V1);
+#endif
+}
+
+
+bool UniqueId::operator==(const UniqueId rhs) const
+{
+#ifdef FFS_WIN
+    //return ::IsEqualGUID(pData->nativeRep, rhs.pData->nativeRep); -> harmonize with operator<
+
+    const GUID& guidL = pData->nativeRep;
+    const GUID& guidR = rhs.pData->nativeRep;
+
+    return guidL.Data1 == guidR.Data1 &&
+           guidL.Data2 == guidR.Data2 &&
+           guidL.Data3 == guidR.Data3 &&
+           ::memcmp(guidL.Data4, guidR.Data4, sizeof(guidR.Data4)) == 0;
+#elif defined FFS_LINUX
+    return pData->nativeRep == rhs.pData->nativeRep;
+#endif
+}
+
+
+bool UniqueId::operator<(const UniqueId rhs) const
+{
+#ifdef FFS_WIN
+    const GUID& guidL = pData->nativeRep;
+    const GUID& guidR = rhs.pData->nativeRep;
+
+    if (guidL.Data1 != guidR.Data1)
+        return guidL.Data1 < guidR.Data1;
+    if (guidL.Data2 != guidR.Data2)
+        return guidL.Data2 < guidR.Data2;
+    if (guidL.Data3 != guidR.Data3)
+        return guidL.Data3 < guidR.Data3;
+
+    return ::memcmp(guidL.Data4, guidR.Data4, sizeof(guidR.Data4)) < 0;
+#elif defined FFS_LINUX
+    return pData->nativeRep < rhs.pData->nativeRep;
+#endif
+}
+
+
+UniqueId::UniqueId(wxInputStream& stream) : //read
+    pData(new IntData)
+{
+#ifdef FFS_WIN
+    stream.Read(&pData->nativeRep, sizeof(GUID));
+#elif defined FFS_LINUX
+    char buffer[UUID_LEN_BIN] = {0};
+    stream.Read(buffer, sizeof(buffer));
+
+    pData->nativeRep.import(static_cast<void*>(buffer)); //warning: import is overloaded with void*/char*!
+#endif
+}
+
+
+#ifdef FFS_LINUX
+struct MallocDeleter
+{
+    void operator() (void* ptr)
+    {
+        free(ptr);
+    }
+};
+#endif
+
+
+void UniqueId::toStream(wxOutputStream& stream) const //write
+{
+#ifdef FFS_WIN
+    stream.Write(&pData->nativeRep, sizeof(GUID));
+#elif defined FFS_LINUX
+    boost::shared_ptr<const void> buffer(pData->nativeRep.binary(), //caller has to "free" memory (of size UUID_LEN_BIN)
+                                         MallocDeleter());
+
+    stream.Write(buffer.get(), UUID_LEN_BIN);
+#endif
+}
+
+