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1ae0aadfed
If there is a failure to read the file like incomplete read, bad returns false, but fail returns true. This is important for reading number of items more than the file actually has.
48 lines
1.3 KiB
C++
48 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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