1 files changed, 117 insertions, 0 deletions

diff --git a/src/unstable/uuid.cpp b/src/unstable/uuid.cpp
new file mode 100644
index 0000000..088450b
--- /dev/null
+++ b/src/unstable/uuid.cpp
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2007-2011 Xagasoft, All rights reserved.
+ *
+ * This file is part of the libbu++ library and is released under the
+ * terms of the license contained in the file LICENSE.
+ */
+
+#include "bu/uuid.h"
+#include "bu/file.h"
+#include "bu/formatter.h"
+#include "bu/membuf.h"
+#include <string.h>
+
+Bu::Uuid::Uuid()
+{
+        clear();
+}
+
+Bu::Uuid::Uuid( const Uuid &src )
+{
+        memcpy( data, src.data, 16 );
+}
+
+Bu::Uuid::Uuid( const Bu::String &sSrc )
+{
+        if( sSrc.getSize() == 16 )
+        {
+                memcpy( data, sSrc.getStr(), 16 );
+        }
+        else if( sSrc.getSize() == 36 )
+        {
+                // Parse it
+                set( sSrc );
+        }
+}
+
+Bu::Uuid::~Uuid()
+{
+}
+
+Bu::String Bu::Uuid::toRawString() const
+{
+        return Bu::String( (char *)data, 16 );
+}
+
+Bu::String Bu::Uuid::toString() const
+{
+        Bu::MemBuf mb;
+        Bu::Formatter f( mb );
+
+        for( int j = 0; j < 16; j++ )
+        {
+                if( j == 4 || j == 6 || j == 8 || j == 10 )
+                        f << '-';
+                f << Bu::Fmt::hex(2).caps(false) << (unsigned int)data[j];
+        }
+
+        return mb.getString();
+}
+
+Bu::String Bu::Uuid::toUrn() const
+{
+        return "urn:uuid:" + toString();
+}
+
+int Bu::Uuid::getVersion()
+{
+        return (data[6]&((8|4|2|1)<<4))>>4;
+}
+
+#define msb( i ) (1<<(7-i))
+
+void Bu::Uuid::clear()
+{
+        data[7] = msb(0);
+}
+
+Bu::Uuid Bu::Uuid::gen()
+{
+        Bu::File fIn( "/proc/sys/kernel/random/uuid", Bu::File::Read );
+        char dat[36];
+        fIn.read( dat, 36 );
+        Uuid id;
+        id.set( dat );
+        return id;
+}
+
+void Bu::Uuid::set( const Bu::String &sSrc )
+{
+        const char *dat = sSrc.getStr();
+        int iNibble = 0;
+        memset( data, 0, 16 );
+        for( int j = 0; j < 36; j++ )
+        {
+                if( dat[j] == '-' )
+                        continue;
+                unsigned char c = (dat[j]>='0'&&dat[j]<='9')?(dat[j]-'0'):(dat[j]-'a'+10);
+                data[iNibble/2] |= (iNibble%2==0)?(c<<4):(c);
+                iNibble++;
+        }
+}
+
+bool Bu::Uuid::operator==( const Uuid &rhs ) const
+{
+        return memcmp( data, rhs.data, 16 ) == 0;
+}
+
+template<> uint32_t Bu::__calcHashCode<Bu::Uuid>( const Bu::Uuid &k )
+{
+        return __calcHashCode<String>( k.toRawString() );
+}
+
+template<> bool Bu::__cmpHashKeys<Bu::Uuid>( const Bu::Uuid &a, const Bu::Uuid &b )
+{
+        return a == b;
+}
+