42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#include <lucore/StdoutSink.hpp>
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namespace lucore {
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StdoutSink& StdoutSink::The() {
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static StdoutSink sink;
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return sink;
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}
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void StdoutSink::OutputMessage(const Logger::MessageData& data) {
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// This is kinda iffy, but required until more standard libraries support the C++23 <print>
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// header.
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struct FputcIterator {
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using iterator_category = std::output_iterator_tag;
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using value_type = void;
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using difference_type = std::ptrdiff_t;
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using pointer = void;
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using reference = void;
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FputcIterator(std::FILE* file) : file(file) {}
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FputcIterator& operator*() { return *this; }
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FputcIterator& operator++() { return *this; }
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FputcIterator& operator++(int) { return *this; }
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FputcIterator& operator=(const char& val) {
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fputc(val, file);
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return *this;
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}
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private:
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std::FILE* file;
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};
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auto it = FputcIterator(data.severity < Logger::MessageSeverity::Error ? stdout : stderr);
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std::format_to(it, "[Lucore/{}] [{}] {}\n", Logger::SeverityToString(data.severity),
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data.time, std::vformat(data.format, data.args));
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}
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void LoggerAttachStdout() {
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Logger::The().AttachSink(StdoutSink::The());
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}
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} // namespace lucore
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