NazaraEngine/include/Nazara/Core/ByteArray.inl

757 lines
15 KiB
C++

// Copyright (C) 2020 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/Error.hpp>
#include <Nazara/Core/Debug.hpp>
namespace Nz
{
/*!
* \brief Constructs a ByteArray object with a reserved size
*
* \param n Space reserved
*/
inline ByteArray::ByteArray(size_type n) :
m_array()
{
m_array.reserve(n);
}
/*!
* \brief Constructs a ByteArray object with a raw memory and a size
*
* \param buffer Pointer to raw memory
* \param n Size that can be accessed
*
* \remark If preallocated space of buffer is less than the size, the behaviour is undefined
*/
inline ByteArray::ByteArray(const void* buffer, size_type n) :
m_array(static_cast<const_pointer>(buffer), static_cast<const_pointer>(buffer) + n)
{
}
/*!
* \brief Constructs a ByteArray object with n times the same value
*
* \param n Number of repetitions
* \param value Value to repeat
*/
inline ByteArray::ByteArray(size_type n, const value_type value) :
m_array(n, value)
{
}
/*!
* \brief Constructs a ByteArray object from two iterators
*
* \param first First iterator
* \param last Second iterator
*/
template <class InputIterator>
ByteArray::ByteArray(InputIterator first, InputIterator last) :
m_array(first, last)
{
}
/*!
* \brief Appends the content of raw memory
*
* \param buffer Constant pointer to raw memory
* \param n Size that can be read
*
* \remark If preallocated space of buffer is less than the size, the behaviour is undefined
*
* \see Insert
*/
inline ByteArray::iterator ByteArray::Append(const void* buffer, size_type n)
{
return Insert(end(), static_cast<const_pointer>(buffer), static_cast<const_pointer>(buffer) + n);
}
/*!
* \brief Appends another array of bytes
*
* \param other ByteArray to add
*
* \see Insert
*/
inline ByteArray::iterator ByteArray::Append(const ByteArray& other)
{
return Insert(end(), other.begin(), other.end());
}
/*!
* \brief Assigns this with n times the same value
*
* \param n Number of repetitions
* \param value Value to repeat
*/
inline void ByteArray::Assign(size_type n, value_type value)
{
m_array.assign(n, value);
}
/*!
* \brief Assigns this with the content between two iterators
*
* \param first First iterator
* \param last Second iterator
*/
template <class InputIterator>
void ByteArray::Assign(InputIterator first, InputIterator last)
{
m_array.assign(first, last);
}
/*!
* \brief Gets last element
* \return A reference to last element
*
* \remark If ByteArray is empty, behaviour is undefined
*/
inline ByteArray::reference ByteArray::Back()
{
return m_array.back();
}
/*!
* \brief Gets last element
* \return A constant reference to last element
*
* \remark If ByteArray is empty, behaviour is undefined
*/
inline ByteArray::const_reference ByteArray::Back() const
{
return m_array.back();
}
/*!
* \brief Clears the content of the string
*
* \param keepBuffer Should the buffer be kept
*/
inline void ByteArray::Clear(bool keepBuffer)
{
m_array.clear();
if (!keepBuffer)
m_array.shrink_to_fit();
}
/*!
* \brief Erases an element from the byte array
*
* \param pos Iterator to the element
*/
inline ByteArray::iterator ByteArray::Erase(const_iterator pos)
{
return m_array.erase(pos);
}
/*!
* \brief Erases the elements between the two pointers from the byte array
*
* \param first First iterator
* \param last Second iterator
*/
inline ByteArray::iterator ByteArray::Erase(const_iterator first, const_iterator last)
{
return m_array.erase(first, last);
}
/*!
* \brief Gets first element
* \return A reference to first element
*
* \remark If ByteArray is empty, behaviour is undefined
*/
inline ByteArray::reference ByteArray::Front()
{
return m_array.front();
}
/*!
* \brief Gets first element
* \return A constant reference to first element
*
* \remark If ByteArray is empty, behaviour is undefined
*/
inline ByteArray::const_reference ByteArray::Front() const
{
return m_array.front();
}
/*!
* \brief Gets the internal allocator of the byte array
* \return Allocator
*/
inline ByteArray::allocator_type ByteArray::GetAllocator() const
{
return m_array.get_allocator();
}
/*!
* \brief Gets the raw buffer
* \return Raw buffer
*/
inline ByteArray::pointer ByteArray::GetBuffer()
{
return m_array.data();
}
/*!
* \brief Gets the capacity of the byte array
* \return Capacity of the byte array
*/
inline ByteArray::size_type ByteArray::GetCapacity() const noexcept
{
return m_array.capacity();
}
/*!
* \brief Gets the raw buffer
* \return Raw buffer
*/
inline ByteArray::const_pointer ByteArray::GetConstBuffer() const
{
return m_array.data();
}
/*!
* \brief Gets the maximal size supported by the byte array
* \return Biggest size handled
*/
inline ByteArray::size_type ByteArray::GetMaxSize() const noexcept
{
return m_array.max_size();
}
/*!
* \brief Gets the size of the byte array
* \return Size of the byte array
*/
inline ByteArray::size_type ByteArray::GetSize() const noexcept
{
return m_array.size();
}
/*!
* \brief Returns a sub byte array of the byte array
* \return Sub byte array
*
* \param startPos First iterator
* \param endPos Second iterator
*/
inline ByteArray ByteArray::GetSubArray(const_iterator startPos, const_iterator endPos) const
{
return ByteArray(startPos, endPos);
}
/*!
* \brief Inserts the content of raw memory at the iterator position
*
* \param pos Iterator to the position
* \param buffer Constant pointer to raw memory
* \param n Size that can be read
*
* \remark If preallocated space of ptr is less than the size, the behaviour is undefined
*/
inline ByteArray::iterator ByteArray::Insert(const_iterator pos, const void* buffer, size_type n)
{
return m_array.insert(pos, static_cast<const_pointer>(buffer), static_cast<const_pointer>(buffer) + n);
}
/*!
* \brief Inserts the content of another byte array at the iterator position
*
* \param pos Iterator to the position
* \param other Other byte array
*/
inline ByteArray::iterator ByteArray::Insert(const_iterator pos, const ByteArray& other)
{
return m_array.insert(pos, other.begin(), other.end());
}
/*!
* \brief Inserts n times the same byte at the iterator position
*
* \param pos Iterator to the position
* \param n Number of repetitions
* \param byte Value to repeat
*/
inline ByteArray::iterator ByteArray::Insert(const_iterator pos, size_type n, value_type byte)
{
return m_array.insert(pos, n, byte);
}
/*!
* \brief Inserts the content from two iterators at the iterator position
*
* \param pos Iterator to the position
* \param first First iterator
* \param last Second iterator
*/
template <class InputIterator>
ByteArray::iterator ByteArray::Insert(const_iterator pos, InputIterator first, InputIterator last)
{
return m_array.insert(pos, first, last);
}
/*!
* \brief Checks whether the byte array is empty
* \return true if byte array is empty
*/
inline bool ByteArray::IsEmpty() const noexcept
{
return m_array.empty();
}
/*!
* \brief Erases the last element
*
* \remark If byte array is empty, the behaviour is undefined
*/
inline void ByteArray::PopBack()
{
Erase(end() - 1);
}
/*!
* \brief Erases the first element
*
* \remark If byte array is empty, the behaviour is undefined
*/
inline void ByteArray::PopFront()
{
Erase(begin());
}
/*!
* \brief Prepends the content of raw memory
*
* \param buffer Constant pointer to raw memory
* \param n Size that can be read
*
* \remark If preallocated space of buffer is less than the size, the behaviour is undefined
*
* \see Insert
*/
inline ByteArray::iterator ByteArray::Prepend(const void* buffer, size_type n)
{
return Insert(begin(), buffer, n);
}
/*!
* \brief Prepends another array of bytes
*
* \param other ByteArray to add
*
* \see Insert
*/
inline ByteArray::iterator ByteArray::Prepend(const ByteArray& other)
{
return Insert(begin(), other);
}
/*!
* \brief Pushes the byte at the end
*
* \param byte Byte to add
*/
inline void ByteArray::PushBack(const value_type byte)
{
m_array.push_back(byte);
}
/*!
* \brief Pushes the byte at the beginning
*
* \param byte Byte to add
*/
inline void ByteArray::PushFront(const value_type byte)
{
m_array.insert(begin(), 1, byte);
}
/*!
* \brief Reserves enough memory for the buffer size
*
* \param bufferSize Size of the buffer to allocate
*
* \remark If bufferSize is smaller than the old one, nothing is done
*/
inline void ByteArray::Reserve(size_type bufferSize)
{
m_array.reserve(bufferSize);
}
/*!
* \brief Resizes the string
*
* \param newSize Target size
*/
inline void ByteArray::Resize(size_type newSize)
{
m_array.resize(newSize);
}
/*!
* \brief Resizes the string
*
* \param newSize Target size
* \param byte Byte to add if newSize is greather than actual size
*/
inline void ByteArray::Resize(size_type newSize, const value_type byte)
{
m_array.resize(newSize, byte);
}
/*!
* \brief Releases the excedent memory
*/
inline void ByteArray::ShrinkToFit()
{
m_array.shrink_to_fit();
}
/*!
* \brief Swaps the content with the other byte array
*
* \param other Other byte array to swap with
*/
inline void ByteArray::Swap(ByteArray& other)
{
m_array.swap(other.m_array);
}
/*!
* \brief Gives a string representation
* \return std::string where each byte is converted to char
*/
inline std::string ByteArray::ToString() const
{
return std::string(reinterpret_cast<const char*>(GetConstBuffer()), GetSize());
}
/*!
* \brief Returns an iterator pointing to the beggining of the string
* \return Beggining of the string
*/
inline ByteArray::iterator ByteArray::begin() noexcept
{
return m_array.begin();
}
/*!
* \brief Returns an iterator pointing to the beggining of the string
* \return Beggining of the string
*/
inline ByteArray::const_iterator ByteArray::begin() const noexcept
{
return m_array.begin();
}
/*!
* \brief Returns a constant iterator pointing to the beggining of the string
* \return Beggining of the string
*/
inline ByteArray::const_iterator ByteArray::cbegin() const noexcept
{
return m_array.cbegin();
}
/*!
* \brief Returns a constant iterator pointing to the end of the string
* \return End of the string
*/
inline ByteArray::const_iterator ByteArray::cend() const noexcept
{
return m_array.cend();
}
/*!
* \brief Returns a constant reversed iterator pointing to the beggining of the string
* \return Beggining of the string
*/
inline ByteArray::const_reverse_iterator ByteArray::crbegin() const noexcept
{
return m_array.crbegin();
}
/*!
* \brief Returns a constant reversed iterator pointing to the end of the string
* \return End of the string
*/
inline ByteArray::const_reverse_iterator ByteArray::crend() const noexcept
{
return m_array.crend();
}
/*!
* \brief Checks whether the byte array is empty
* \return true if byte array is empty
*/
inline bool ByteArray::empty() const noexcept
{
return m_array.empty();
}
/*!
* \brief Returns an iterator pointing to the end of the string
* \return End of the string
*/
inline ByteArray::iterator ByteArray::end() noexcept
{
return m_array.end();
}
/*!
* \brief Returns an iterator pointing to the end of the string
* \return End of the string
*/
inline ByteArray::const_iterator ByteArray::end() const noexcept
{
return m_array.end();
}
/*!
* \brief Returns a reversed iterator pointing to the beggining of the string
* \return Beggining of the string
*/
inline ByteArray::reverse_iterator ByteArray::rbegin() noexcept
{
return m_array.rbegin();
}
/*!
* \brief Returns a reversed iterator pointing to the beggining of the string
* \return Beggining of the string
*/
inline ByteArray::const_reverse_iterator ByteArray::rbegin() const noexcept
{
return m_array.rbegin();
}
/*!
* \brief Returns a reversed iterator pointing to the end of the string
* \return End of the string
*/
inline ByteArray::reverse_iterator ByteArray::rend() noexcept
{
return m_array.rend();
}
/*!
* \brief Gets the size of the byte array
* \return Size of the byte array
*/
inline ByteArray::size_type ByteArray::size() const noexcept
{
return GetSize();
}
/*!
* \brief Gets the ith byte
* \return A reference to the byte at the ith position
*
* \remark Produces a NazaraAssert if pos is greather than the size
*/
inline ByteArray::reference ByteArray::operator[](size_type pos)
{
NazaraAssert(pos < GetSize(), "Index out of range");
return m_array[pos];
}
/*!
* \brief Gets the ith byte
* \return A constant reference to the byte at the ith position
*
* \remark Produces a NazaraAssert if pos is greather than the size
*/
inline ByteArray::const_reference ByteArray::operator[](size_type pos) const
{
NazaraAssert(pos < GetSize(), "Index out of range");
return m_array[pos];
}
/*!
* \brief Concatenates the byte array to another
* \return ByteArray which is the result of the concatenation
*
* \param other ByteArray to add
*/
inline ByteArray ByteArray::operator+(const ByteArray& other) const
{
ByteArray tmp(*this);
tmp += other;
return tmp;
}
/*!
* \brief Concatenates the byte array to this byte array
* \return A reference to this
*
* \param other ByteArray to add
*/
inline ByteArray& ByteArray::operator+=(const ByteArray& other)
{
Append(other);
return *this;
}
/*!
* \brief Checks whether the first byte array is equal to the second byte array
* \return true if it is the case
*
* \param rhs ByteArray to compare with
*/
inline bool ByteArray::operator==(const ByteArray& rhs) const
{
return m_array == rhs.m_array;
}
/*!
* \brief Checks whether the first byte array is equal to the second byte array
* \return false if it is the case
*
* \param rhs ByteArray to compare with
*/
inline bool ByteArray::operator!=(const ByteArray& rhs) const
{
return !operator==(rhs);
}
/*!
* \brief Checks whether the first byte array is less than the second byte array
* \return true if it is the case
*
* \param rhs ByteArray to compare with
*/
inline bool ByteArray::operator<(const ByteArray& rhs) const
{
return m_array < rhs.m_array;
}
/*!
* \brief Checks whether the first byte array is less or equal than the second byte array
* \return true if it is the case
*
* \param rhs ByteArray to compare with
*/
inline bool ByteArray::operator<=(const ByteArray& rhs) const
{
return m_array <= rhs.m_array;
}
/*!
* \brief Checks whether the first byte array is greater than the second byte array
* \return true if it is the case
*
* \param rhs ByteArray to compare with
*/
inline bool ByteArray::operator>(const ByteArray& rhs) const
{
return m_array > rhs.m_array;
}
/*!
* \brief Checks whether the first byte array is greater or equal than the second byte array
* \return true if it is the case
*
* \param rhs ByteArray to compare with
*/
inline bool ByteArray::operator>=(const ByteArray& rhs) const
{
return m_array >= rhs.m_array;
}
inline bool HashAppend(AbstractHash* hash, const ByteArray& byteArray)
{
hash->Append(byteArray.GetConstBuffer(), byteArray.GetSize());
return true;
}
}
namespace std
{
/*!
* \brief Swaps two byte arrays, specialisation of std
*
* \param lhs First byte array
* \param rhs Second byte array
*/
inline void swap(Nz::ByteArray& lhs, Nz::ByteArray& rhs)
{
lhs.Swap(rhs);
}
}
#include <Nazara/Core/DebugOff.hpp>