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authorLogicParrot <LogicParrot@users.noreply.github.com>2017-08-27 08:13:40 +0200
committerLogicParrot <LogicParrot@users.noreply.github.com>2017-08-27 08:13:40 +0200
commite274d0dd8a6eefeb6e84272ffd09ac55b2c08900 (patch)
tree377f52ed5738810c157e631ec31f626fbe5acef6 /src/UUID.h
parentd (diff)
parentImplement anvil chunk sparsing (diff)
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Diffstat (limited to 'src/UUID.h')
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diff --git a/src/UUID.h b/src/UUID.h
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+++ b/src/UUID.h
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+// UUID.h
+
+// Declares the cUUID class representing a Universally Unique Identifier
+
+#pragma once
+
+
+// tolua_begin
+
+class cUUID
+{
+public:
+ /** Default constructed "nil" UUID */
+ cUUID():
+ m_UUID()
+ {
+ }
+
+ /** Lexicographically compare bytes with another UUID.
+ Returns:
+ 0 when equal to a_Other,
+ < 0 when less than a_Other,
+ > 0 when greater than a_Other */
+ int Compare(const cUUID & a_Other) const
+ {
+ return std::memcmp(m_UUID.data(), a_Other.m_UUID.data(), m_UUID.size());
+ }
+
+ /** Returns true if this contains the "nil" UUID with all bits set to 0 */
+ bool IsNil() const
+ {
+ return (m_UUID == std::array<Byte, 16>{{0}});
+ }
+
+ /** Tries to interpret the string as a short or long form UUID and assign from it.
+ On error, returns false and does not set the value. */
+ bool FromString(const AString & a_StringUUID);
+
+ /** Converts the UUID to a short form string (i.e without dashes). */
+ AString ToShortString() const;
+
+ /** Converts the UUID to a long form string (i.e. with dashes). */
+ AString ToLongString() const;
+
+ /** Returns the version number of the UUID. */
+ UInt8 Version() const;
+
+ /** Returns the variant number of the UUID. */
+ UInt8 Variant() const;
+
+ /** Generates a version 3, variant 1 UUID based on the md5 hash of a_Name. */
+ static cUUID GenerateVersion3(const AString & a_Name);
+
+ // tolua_end
+
+ /** Converts UUID to raw memory representation, respecting UUID variant. */
+ std::array<Byte, 16> ToRaw() const;
+
+ /** Assigns from raw memory representation, respecting UUID variant. */
+ void FromRaw(const std::array<Byte, 16> & a_Raw);
+
+private:
+ /** Binary UUID stored big-endian. */
+ std::array<Byte, 16> m_UUID;
+}; // tolua_export
+
+
+// Comparison operators:
+
+inline bool operator == (const cUUID & a_Lhs, const cUUID & a_Rhs)
+{
+ return (a_Lhs.Compare(a_Rhs) == 0);
+}
+
+inline bool operator != (const cUUID & a_Lhs, const cUUID & a_Rhs)
+{
+ return (a_Lhs.Compare(a_Rhs) != 0);
+}
+
+inline bool operator < (const cUUID & a_Lhs, const cUUID & a_Rhs)
+{
+ return (a_Lhs.Compare(a_Rhs) < 0);
+}
+
+inline bool operator <= (const cUUID & a_Lhs, const cUUID & a_Rhs)
+{
+ return (a_Lhs.Compare(a_Rhs) <= 0);
+}
+
+inline bool operator > (const cUUID & a_Lhs, const cUUID & a_Rhs)
+{
+ return (a_Lhs.Compare(a_Rhs) > 0);
+}
+
+inline bool operator >= (const cUUID & a_Lhs, const cUUID & a_Rhs)
+{
+ return (a_Lhs.Compare(a_Rhs) >= 0);
+}
+
+