75 lines
1.5 KiB
C++
75 lines
1.5 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
|
|
// This file is part of the "Nazara Engine - Core module"
|
|
// For conditions of distribution and use, see copyright notice in Config.hpp
|
|
|
|
#include <Nazara/Core/AbstractHash.hpp>
|
|
#include <Nazara/Core/Debug.hpp>
|
|
|
|
namespace Nz
|
|
{
|
|
inline String::String(std::shared_ptr<SharedString>&& sharedString) :
|
|
m_sharedString(std::move(sharedString))
|
|
{
|
|
}
|
|
|
|
inline void String::ReleaseString()
|
|
{
|
|
m_sharedString = std::move(GetEmptyString());
|
|
}
|
|
|
|
inline String::SharedString::SharedString() : // Special case: empty string
|
|
capacity(0),
|
|
size(0)
|
|
{
|
|
}
|
|
|
|
inline String::SharedString::SharedString(std::size_t strSize) :
|
|
capacity(strSize),
|
|
size(strSize),
|
|
string(new char[strSize + 1])
|
|
{
|
|
string[strSize] = '\0';
|
|
}
|
|
|
|
inline String::SharedString::SharedString(std::size_t strSize, std::size_t strCapacity) :
|
|
capacity(strCapacity),
|
|
size(strSize),
|
|
string(new char[strCapacity + 1])
|
|
{
|
|
string[strSize] = '\0';
|
|
}
|
|
|
|
inline bool HashAppend(AbstractHash* hash, const String& string)
|
|
{
|
|
hash->Append(reinterpret_cast<const UInt8*>(string.GetConstBuffer()), string.GetSize());
|
|
return true;
|
|
}
|
|
}
|
|
|
|
namespace std
|
|
{
|
|
template<>
|
|
struct hash<Nz::String>
|
|
{
|
|
size_t operator()(const Nz::String& str) const
|
|
{
|
|
// Algorithme DJB2
|
|
// http://www.cse.yorku.ca/~oz/hash.html
|
|
|
|
size_t h = 5381;
|
|
if (!str.IsEmpty())
|
|
{
|
|
const char* ptr = str.GetConstBuffer();
|
|
|
|
do
|
|
h = ((h << 5) + h) + *ptr;
|
|
while (*++ptr);
|
|
}
|
|
|
|
return h;
|
|
}
|
|
};
|
|
}
|
|
|
|
#include <Nazara/Core/DebugOff.hpp>
|