7d8f115185
done automatically by executing regex replace `([^:0-9a-zA-Z_])size_t([^0-9a-zA-Z_])` -> `$1std::size_t$2`
100 lines
3 KiB
C++
100 lines
3 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include "common/logging/backend.h"
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#include "common/logging/filter.h"
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#include "common/string_util.h"
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namespace Log {
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namespace {
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template <typename It>
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Level GetLevelByName(const It begin, const It end) {
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for (u8 i = 0; i < static_cast<u8>(Level::Count); ++i) {
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const char* level_name = GetLevelName(static_cast<Level>(i));
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if (Common::ComparePartialString(begin, end, level_name)) {
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return static_cast<Level>(i);
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}
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}
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return Level::Count;
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}
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template <typename It>
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Class GetClassByName(const It begin, const It end) {
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for (ClassType i = 0; i < static_cast<ClassType>(Class::Count); ++i) {
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const char* level_name = GetLogClassName(static_cast<Class>(i));
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if (Common::ComparePartialString(begin, end, level_name)) {
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return static_cast<Class>(i);
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}
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}
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return Class::Count;
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}
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template <typename Iterator>
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bool ParseFilterRule(Filter& instance, Iterator begin, Iterator end) {
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auto level_separator = std::find(begin, end, ':');
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if (level_separator == end) {
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LOG_ERROR(Log, "Invalid log filter. Must specify a log level after `:`: {}",
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std::string(begin, end));
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return false;
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}
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const Level level = GetLevelByName(level_separator + 1, end);
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if (level == Level::Count) {
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LOG_ERROR(Log, "Unknown log level in filter: {}", std::string(begin, end));
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return false;
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}
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if (Common::ComparePartialString(begin, level_separator, "*")) {
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instance.ResetAll(level);
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return true;
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}
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const Class log_class = GetClassByName(begin, level_separator);
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if (log_class == Class::Count) {
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LOG_ERROR(Log, "Unknown log class in filter: {}", std::string(begin, end));
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return false;
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}
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instance.SetClassLevel(log_class, level);
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return true;
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}
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} // Anonymous namespace
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Filter::Filter(Level default_level) {
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ResetAll(default_level);
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}
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void Filter::ResetAll(Level level) {
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class_levels.fill(level);
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}
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void Filter::SetClassLevel(Class log_class, Level level) {
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class_levels[static_cast<std::size_t>(log_class)] = level;
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}
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void Filter::ParseFilterString(std::string_view filter_view) {
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auto clause_begin = filter_view.cbegin();
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while (clause_begin != filter_view.cend()) {
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auto clause_end = std::find(clause_begin, filter_view.cend(), ' ');
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// If clause isn't empty
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if (clause_end != clause_begin) {
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ParseFilterRule(*this, clause_begin, clause_end);
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}
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if (clause_end != filter_view.cend()) {
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// Skip over the whitespace
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++clause_end;
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}
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clause_begin = clause_end;
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}
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}
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bool Filter::CheckMessage(Class log_class, Level level) const {
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return static_cast<u8>(level) >=
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static_cast<u8>(class_levels[static_cast<std::size_t>(log_class)]);
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}
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} // namespace Log
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