mirror of https://github.com/OpenMW/openmw
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
#include "stream.hpp"
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#include <osg/Vec2f>
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#include <osg/Vec3f>
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#include <osg/Vec4f>
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#include <format>
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#include <stdexcept>
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#include <string>
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namespace Bgsm
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{
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template <>
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void BGSMStream::read<osg::Vec2f>(osg::Vec2f& vec)
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{
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readBufferOfType(mStream, vec._v);
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}
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template <>
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void BGSMStream::read<osg::Vec3f>(osg::Vec3f& vec)
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{
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readBufferOfType(mStream, vec._v);
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}
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template <>
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void BGSMStream::read<osg::Vec4f>(osg::Vec4f& vec)
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{
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readBufferOfType(mStream, vec._v);
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}
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template <>
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void BGSMStream::read<std::string>(std::string& str)
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{
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std::uint32_t length;
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read(length);
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// Prevent potential memory allocation freezes; strings this long are not expected in BGSM
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if (length > 1024)
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throw std::runtime_error("Requested string length is too large: " + std::to_string(length));
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str = std::string(length, '\0');
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mStream->read(str.data(), length);
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if (mStream->fail())
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throw std::runtime_error(std::format(
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"Failed to read sized string of {} chars: {}", length, std::generic_category().message(errno)));
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std::size_t end = str.find('\0');
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if (end != std::string::npos)
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str.erase(end);
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}
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}
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