65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
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#include "config.h"
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#include "logging.h"
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#include <cstdarg>
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#include <cstdio>
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#include <string>
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#include "alspan.h"
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#include "strutils.h"
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#include "vector.h"
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void al_print(LogLevel level, const char *fmt, ...)
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{
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/* Kind of ugly since string literals are const char arrays with a size
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* that includes the null terminator, which we want to exclude from the
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* span.
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*/
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auto prefix = al::as_span("[ALSOFT] (--) ").first<14>();
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al::vector<char> dynmsg;
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std::array<char,256> stcmsg{};
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char *str{stcmsg.data()};
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auto prefend1 = std::copy_n(prefix.begin(), prefix.size(), stcmsg.begin());
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al::span<char> msg{prefend1, stcmsg.end()};
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std::va_list args, args2;
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va_start(args, fmt);
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va_copy(args2, args);
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const int msglen{std::vsnprintf(msg.data(), msg.size(), fmt, args)};
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if(msglen >= 0 && static_cast<size_t>(msglen) >= msg.size()) UNLIKELY
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{
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dynmsg.resize(static_cast<size_t>(msglen)+prefix.size() + 1u);
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str = dynmsg.data();
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auto prefend2 = std::copy_n(prefix.begin(), prefix.size(), dynmsg.begin());
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msg = {prefend2, dynmsg.end()};
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std::vsnprintf(msg.data(), msg.size(), fmt, args2);
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}
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va_end(args2);
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va_end(args);
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if(gLogLevel >= level)
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{
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switch (level)
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{
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case LogLevel::Disable:
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case LogLevel::Error:
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AuLogError("{}", str);
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break;
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case LogLevel::Warning:
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AuLogWarn("{}", str);
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break;
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case LogLevel::Trace:
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AuLogVerbose("{}", str);
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break;
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default:
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AuLogGame("{}", str);
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}
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}
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}
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