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Merge pull request #5039 from BreadFish64/better_path_trimming

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common/logging: don't use regex for path trimming
This commit is contained in:
James Rowe 2020-01-01 14:25:44 -05:00 committed by GitHub
commit 9d1909d4af
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2 changed files with 24 additions and 17 deletions
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5
src/common/logging/backend.cpp
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@ -115,15 +115,12 @@ private:
using std::chrono::duration_cast;
using std::chrono::steady_clock;
// matches from the beginning up to the last '../' or 'src/'
static const std::regex trim_source_path(R"(.*([\/\\]|^)((\.\.)|(src))[\/\\])");
Entry entry;
entry.timestamp =
duration_cast<std::chrono::microseconds>(steady_clock::now() - time_origin);
entry.log_class = log_class;
entry.log_level = log_level;
entry.filename = std::regex_replace(filename, trim_source_path, "");
entry.filename = filename;
entry.line_num = line_nr;
entry.function = function;
entry.message = std::move(message);

36
src/common/logging/log.h
View File

@ -9,6 +9,15 @@
namespace Log {
// trims up to and including the last of ../, ..\, src/, src\ in a string
constexpr const char* TrimSourcePath(std::string_view source) {
const auto rfind = [source](const std::string_view match) {
return source.rfind(match) == source.npos ? 0 : (source.rfind(match) + match.size());
};
auto idx = std::max({rfind("src/"), rfind("src\\"), rfind("../"), rfind("..\\")});
return source.data() + idx;
}
/// Specifies the severity or level of detail of the log message.
enum class Level : u8 {
Trace, ///< Extremely detailed and repetitive debugging information that is likely to
@ -120,28 +129,29 @@ void FmtLogMessage(Class log_class, Level log_level, const char* filename, unsig
// Define the fmt lib macros
#define LOG_GENERIC(log_class, log_level, ...) \
::Log::FmtLogMessage(log_class, log_level, __FILE__, __LINE__, __func__, __VA_ARGS__)
::Log::FmtLogMessage(log_class, log_level, ::Log::TrimSourcePath(__FILE__), __LINE__, \
__func__, __VA_ARGS__)
#ifdef _DEBUG
#define LOG_TRACE(log_class, ...) \
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Trace, __FILE__, __LINE__, \
__func__, __VA_ARGS__)
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Trace, \
::Log::TrimSourcePath(__FILE__), __LINE__, __func__, __VA_ARGS__)
#else
#define LOG_TRACE(log_class, fmt, ...) (void(0))
#endif
#define LOG_DEBUG(log_class, ...) \
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Debug, __FILE__, __LINE__, \
__func__, __VA_ARGS__)
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Debug, \
::Log::TrimSourcePath(__FILE__), __LINE__, __func__, __VA_ARGS__)
#define LOG_INFO(log_class, ...) \
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Info, __FILE__, __LINE__, \
__func__, __VA_ARGS__)
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Info, \
::Log::TrimSourcePath(__FILE__), __LINE__, __func__, __VA_ARGS__)
#define LOG_WARNING(log_class, ...) \
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Warning, __FILE__, __LINE__, \
__func__, __VA_ARGS__)
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Warning, \
::Log::TrimSourcePath(__FILE__), __LINE__, __func__, __VA_ARGS__)
#define LOG_ERROR(log_class, ...) \
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Error, __FILE__, __LINE__, \
__func__, __VA_ARGS__)
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Error, \
::Log::TrimSourcePath(__FILE__), __LINE__, __func__, __VA_ARGS__)
#define LOG_CRITICAL(log_class, ...) \
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Critical, __FILE__, __LINE__, \
__func__, __VA_ARGS__)
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Critical, \
::Log::TrimSourcePath(__FILE__), __LINE__, __func__, __VA_ARGS__)