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common/logging: don't use regex for path trimming

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This commit is contained in:
BreadFish64
2019-12-24 14:19:18 -06:00
committed by FearlessTobi
parent a167da4278
commit a31ed02ae4
4 changed files with 23 additions and 36 deletions
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2
src/common/logging/backend.cpp
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@@ -120,7 +120,7 @@ private:
duration_cast<std::chrono::microseconds>(steady_clock::now() - time_origin);
entry.log_class = log_class;
entry.log_level = log_level;
entry.filename = Common::TrimSourcePath(filename);
entry.filename = filename;
entry.line_num = line_nr;
entry.function = function;
entry.message = std::move(message);

2
src/common/logging/backend.h
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@@ -23,7 +23,7 @@ struct Entry {
std::chrono::microseconds timestamp;
Class log_class;
Level log_level;
std::string filename;
const char* filename;
unsigned int line_num;
std::string function;
std::string message;

33
src/common/logging/log.h
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@@ -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
@@ -141,24 +150,24 @@ void FmtLogMessage(Class log_class, Level log_level, const char* filename, unsig
#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__)

22
src/common/string_util.cpp
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@@ -223,26 +223,4 @@ std::u16string UTF16StringFromFixedZeroTerminatedBuffer(std::u16string_view buff
return std::u16string(buffer.begin(), buffer.begin() + len);
}
const char* TrimSourcePath(const char* path, const char* root) {
const char* p = path;
while (*p != '\0') {
const char* next_slash = p;
while (*next_slash != '\0' && *next_slash != '/' && *next_slash != '\\') {
++next_slash;
}
bool is_src = Common::ComparePartialString(p, next_slash, root);
p = next_slash;
if (*p != '\0') {
++p;
}
if (is_src) {
path = p;
}
}
return path;
}
} // namespace Common