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LibCore: Add a wrapper for adapting Core::Stream to AK::InputStream

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This commit is contained in:
Tim Schumacher 2022-11-29 15:42:25 +01:00 • committed by Linus Groh
parent 35bcdefdf7
commit 4e7da96d58
2 changed files with 59 additions and 0 deletions
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46
Userland/Libraries/LibCore/Stream.cpp
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@ -807,4 +807,50 @@ void WrappedAKOutputStream::close()
{
}
WrapInAKInputStream::WrapInAKInputStream(Core::Stream::Stream& stream)
: m_stream(stream)
{
}
size_t WrapInAKInputStream::read(Bytes bytes)
{
if (has_any_error())
return 0;
auto data_or_error = m_stream.read(bytes);
if (data_or_error.is_error()) {
set_fatal_error();
return 0;
}
return data_or_error.value().size();
}
bool WrapInAKInputStream::unreliable_eof() const
{
return m_stream.is_eof();
}
bool WrapInAKInputStream::read_or_error(Bytes bytes)
{
if (read(bytes) < bytes.size()) {
set_fatal_error();
return false;
}
return true;
}
bool WrapInAKInputStream::discard_or_error(size_t count)
{
auto maybe_error = m_stream.discard(count);
if (maybe_error.is_error()) {
set_fatal_error();
return false;
}
return true;
}
}