ladybird/Libraries/LibIPC/Encoder.cpp
Andreas Kling 2ae9a56c3f LibIPC: Move IPC::Encoder functions out of line
Compiling anything that includes generated IPC messages is painfully
slow at the moment. This moves the encoding helpers out of line, which
helps a bit. Doing the same for decoding will help more.
2020-02-15 12:10:48 +01:00

142 lines
4.3 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/String.h>
#include <LibIPC/Encoder.h>
namespace IPC {
Encoder& Encoder::operator<<(bool value)
{
return *this << (u8)value;
}
Encoder& Encoder::operator<<(u8 value)
{
m_buffer.append(value);
return *this;
}
Encoder& Encoder::operator<<(u16 value)
{
m_buffer.ensure_capacity(m_buffer.size() + 2);
m_buffer.unchecked_append((u8)value);
m_buffer.unchecked_append((u8)(value >> 8));
return *this;
}
Encoder& Encoder::operator<<(u32 value)
{
m_buffer.ensure_capacity(m_buffer.size() + 4);
m_buffer.unchecked_append((u8)value);
m_buffer.unchecked_append((u8)(value >> 8));
m_buffer.unchecked_append((u8)(value >> 16));
m_buffer.unchecked_append((u8)(value >> 24));
return *this;
}
Encoder& Encoder::operator<<(u64 value)
{
m_buffer.ensure_capacity(m_buffer.size() + 8);
m_buffer.unchecked_append((u8)value);
m_buffer.unchecked_append((u8)(value >> 8));
m_buffer.unchecked_append((u8)(value >> 16));
m_buffer.unchecked_append((u8)(value >> 24));
m_buffer.unchecked_append((u8)(value >> 32));
m_buffer.unchecked_append((u8)(value >> 40));
m_buffer.unchecked_append((u8)(value >> 48));
m_buffer.unchecked_append((u8)(value >> 56));
return *this;
}
Encoder& Encoder::operator<<(i8 value)
{
m_buffer.append((u8)value);
return *this;
}
Encoder& Encoder::operator<<(i16 value)
{
m_buffer.ensure_capacity(m_buffer.size() + 2);
m_buffer.unchecked_append((u8)value);
m_buffer.unchecked_append((u8)(value >> 8));
return *this;
}
Encoder& Encoder::operator<<(i32 value)
{
m_buffer.ensure_capacity(m_buffer.size() + 4);
m_buffer.unchecked_append((u8)value);
m_buffer.unchecked_append((u8)(value >> 8));
m_buffer.unchecked_append((u8)(value >> 16));
m_buffer.unchecked_append((u8)(value >> 24));
return *this;
}
Encoder& Encoder::operator<<(i64 value)
{
m_buffer.ensure_capacity(m_buffer.size() + 8);
m_buffer.unchecked_append((u8)value);
m_buffer.unchecked_append((u8)(value >> 8));
m_buffer.unchecked_append((u8)(value >> 16));
m_buffer.unchecked_append((u8)(value >> 24));
m_buffer.unchecked_append((u8)(value >> 32));
m_buffer.unchecked_append((u8)(value >> 40));
m_buffer.unchecked_append((u8)(value >> 48));
m_buffer.unchecked_append((u8)(value >> 56));
return *this;
}
Encoder& Encoder::operator<<(float value)
{
union bits {
float as_float;
u32 as_u32;
} u;
u.as_float = value;
return *this << u.as_u32;
}
Encoder& Encoder::operator<<(const char* value)
{
return *this << StringView(value);
}
Encoder& Encoder::operator<<(const StringView& value)
{
m_buffer.append((const u8*)value.characters_without_null_termination(), value.length());
return *this;
}
Encoder& Encoder::operator<<(const String& value)
{
if (value.is_null())
return *this << (i32)-1;
*this << static_cast<i32>(value.length());
return *this << value.view();
}
}