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/*
==============================================================================
This file is part of the JUCE framework.
Copyright (c) Raw Material Software Limited
JUCE is an open source framework subject to commercial or open source
licensing.
By downloading, installing, or using the JUCE framework, or combining the
JUCE framework with any other source code, object code, content or any other
copyrightable work, you agree to the terms of the JUCE End User Licence
Agreement, and all incorporated terms including the JUCE Privacy Policy and
the JUCE Website Terms of Service, as applicable, which will bind you. If you
do not agree to the terms of these agreements, we will not license the JUCE
framework to you, and you must discontinue the installation or download
process and cease use of the JUCE framework.
JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
JUCE Privacy Policy: https://juce.com/juce-privacy-policy
JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
Or:
You may also use this code under the terms of the AGPLv3:
https://www.gnu.org/licenses/agpl-3.0.en.html
THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
==============================================================================
*/
namespace juce
{
Uuid::Uuid()
{
Random r;
for (size_t i = 0; i < sizeof (uuid); ++i)
uuid[i] = (uint8) (r.nextInt (256));
// To make it RFC 4122 compliant, need to force a few bits...
uuid[6] = (uuid[6] & 0x0f) | 0x40;
uuid[8] = (uuid[8] & 0x3f) | 0x80;
}
Uuid::~Uuid() noexcept {}
Uuid::Uuid (const Uuid& other) noexcept
{
memcpy (uuid, other.uuid, sizeof (uuid));
}
Uuid& Uuid::operator= (const Uuid& other) noexcept
{
memcpy (uuid, other.uuid, sizeof (uuid));
return *this;
}
bool Uuid::operator== (const Uuid& other) const noexcept { return memcmp (uuid, other.uuid, sizeof (uuid)) == 0; }
bool Uuid::operator!= (const Uuid& other) const noexcept { return ! operator== (other); }
bool Uuid::operator< (const Uuid& other) const noexcept { return compare (other) < 0; }
bool Uuid::operator> (const Uuid& other) const noexcept { return compare (other) > 0; }
bool Uuid::operator<= (const Uuid& other) const noexcept { return compare (other) <= 0; }
bool Uuid::operator>= (const Uuid& other) const noexcept { return compare (other) >= 0; }
int Uuid::compare (Uuid other) const noexcept
{
for (size_t i = 0; i < sizeof (uuid); ++i)
if (int diff = uuid[i] - (int) other.uuid[i])
return diff > 0 ? 1 : -1;
return 0;
}
Uuid Uuid::null() noexcept
{
return Uuid ((const uint8*) nullptr);
}
bool Uuid::isNull() const noexcept
{
for (auto i : uuid)
if (i != 0)
return false;
return true;
}
String Uuid::getHexRegion (int start, int length) const
{
return String::toHexString (uuid + start, length, 0);
}
String Uuid::toString() const
{
return getHexRegion (0, 16);
}
String Uuid::toDashedString() const
{
return getHexRegion (0, 4)
+ "-" + getHexRegion (4, 2)
+ "-" + getHexRegion (6, 2)
+ "-" + getHexRegion (8, 2)
+ "-" + getHexRegion (10, 6);
}
Uuid::Uuid (const String& uuidString)
{
operator= (uuidString);
}
Uuid& Uuid::operator= (const String& uuidString)
{
MemoryBlock mb;
mb.loadFromHexString (uuidString);
mb.ensureSize (sizeof (uuid), true);
mb.copyTo (uuid, 0, sizeof (uuid));
return *this;
}
Uuid::Uuid (const uint8* const rawData) noexcept
{
operator= (rawData);
}
Uuid& Uuid::operator= (const uint8* const rawData) noexcept
{
if (rawData != nullptr)
memcpy (uuid, rawData, sizeof (uuid));
else
zeromem (uuid, sizeof (uuid));
return *this;
}
uint32 Uuid::getTimeLow() const noexcept { return ByteOrder::bigEndianInt (uuid); }
uint16 Uuid::getTimeMid() const noexcept { return ByteOrder::bigEndianShort (uuid + 4); }
uint16 Uuid::getTimeHighAndVersion() const noexcept { return ByteOrder::bigEndianShort (uuid + 6); }
uint8 Uuid::getClockSeqAndReserved() const noexcept { return uuid[8]; }
uint8 Uuid::getClockSeqLow() const noexcept { return uuid[9]; }
uint64 Uuid::getNode() const noexcept { return (((uint64) ByteOrder::bigEndianShort (uuid + 10)) << 32) + ByteOrder::bigEndianInt (uuid + 12); }
uint64 Uuid::hash() const noexcept
{
uint64 result = 0;
for (auto n : uuid)
result = ((uint64) 101) * result + n;
return result;
}
} // namespace juce
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