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LogStream: Add a simple-ish mechanism for colorizing and styling output.

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Meet TStyle. It allows you to write things like this:

    dbg() << TStyle(TStyle::Red, TStyle::Bold) << "Hello, friends!";

Any style used will be reset along with the newline emitted when the dbg()
temporary goes out of scope. :^)

This can definitely be improved, but I think it's a decent place to start.
This commit is contained in:
Andreas Kling 2019-07-15 20:22:30 +02:00
parent 82d9410226
commit 8075ba5064
2 changed files with 74 additions and 1 deletions
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18
AK/LogStream.cpp
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@ -31,4 +31,22 @@ const LogStream& operator<<(const LogStream& stream, const void* value)
return stream << String::format("%p", value);
}
const LogStream& operator<<(const LogStream& stream, const TStyle& style)
{
stream << "\033[";
if (style.color() != TStyle::Color::NoColor)
stream << ((int)style.color() + 30) << (style.attributes() ? ";" : "");
else
stream << '0';
if (style.attributes() & TStyle::Attribute::Bold)
stream << '1';
stream << 'm';
stream.m_needs_style_reset = true;
return stream;
}
}