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AK: Allow BufferStream to serialize/deserialize floats

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This commit is contained in:
Andreas Kling 2019-12-02 09:19:56 +01:00
parent b6ad94407e
commit 7aaea085de
1 changed files with 28 additions and 4 deletions
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32
AK/BufferStream.h
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@ -1,7 +1,7 @@
#pragma once #pragma once
#include <AK/String.h>
#include <AK/ByteBuffer.h> #include <AK/ByteBuffer.h>
#include <AK/String.h>
namespace AK { namespace AK {
@ -37,7 +37,7 @@ public:
m_buffer[m_offset++] = value; m_buffer[m_offset++] = value;
return *this; return *this;
} }
BufferStream& operator>>(u8& value ) BufferStream& operator>>(u8& value)
{ {
if (m_offset + sizeof(value) > unsigned(m_buffer.size())) { if (m_offset + sizeof(value) > unsigned(m_buffer.size())) {
m_read_failure = true; m_read_failure = true;
@ -52,7 +52,7 @@ public:
m_buffer[m_offset++] = value; m_buffer[m_offset++] = value;
return *this; return *this;
} }
BufferStream& operator>>(bool& value ) BufferStream& operator>>(bool& value)
{ {
if (m_offset + sizeof(value) > unsigned(m_buffer.size())) { if (m_offset + sizeof(value) > unsigned(m_buffer.size())) {
m_read_failure = true; m_read_failure = true;
@ -62,6 +62,29 @@ public:
return *this; return *this;
} }
BufferStream& operator<<(float value)
{
union bits {
float as_float;
u32 as_u32;
} u;
u.as_float = value;
return *this << u.as_u32;
}
BufferStream& operator>>(float& value)
{
union bits {
float as_float;
u32 as_u32;
} u;
*this >> u.as_u32;
if (m_read_failure)
return *this;
value = u.as_float;
return *this;
}
BufferStream& operator<<(char value) BufferStream& operator<<(char value)
{ {
m_buffer[m_offset++] = (u8)value; m_buffer[m_offset++] = (u8)value;
@ -213,7 +236,8 @@ public:
m_read_failure = false; m_read_failure = false;
} }
bool handle_read_failure() { bool handle_read_failure()
{
bool old = m_read_failure; bool old = m_read_failure;
m_read_failure = false; m_read_failure = false;
return old; return old;