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author | bunnei <bunneidev@gmail.com> | 2014-12-13 05:20:01 +0100 |
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committer | bunnei <bunneidev@gmail.com> | 2014-12-13 05:20:01 +0100 |
commit | af1cd769e7b407af71496e788e218add31f8b2b0 (patch) | |
tree | 1e3fd71256c04a15970b09abd3f7280f8b1ff678 /src/common/logging/text_formatter.cpp | |
parent | Merge pull request #267 from bunnei/apt-shared-font (diff) | |
parent | Remove old logging system (diff) | |
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Diffstat (limited to 'src/common/logging/text_formatter.cpp')
-rw-r--r-- | src/common/logging/text_formatter.cpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/common/logging/text_formatter.cpp b/src/common/logging/text_formatter.cpp new file mode 100644 index 000000000..3fe435346 --- /dev/null +++ b/src/common/logging/text_formatter.cpp @@ -0,0 +1,126 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2+ +// Refer to the license.txt file included. + +#include <array> +#include <cstdio> + +#ifdef _WIN32 +# define WIN32_LEAN_AND_MEAN +# include <Windows.h> +#endif + +#include "common/logging/backend.h" +#include "common/logging/filter.h" +#include "common/logging/log.h" +#include "common/logging/text_formatter.h" + +#include "common/string_util.h" + +namespace Log { + +// TODO(bunnei): This should be moved to a generic path manipulation library +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; +} + +void FormatLogMessage(const Entry& entry, char* out_text, size_t text_len) { + unsigned int time_seconds = static_cast<unsigned int>(entry.timestamp.count() / 1000000); + unsigned int time_fractional = static_cast<unsigned int>(entry.timestamp.count() % 1000000); + + const char* class_name = Logger::GetLogClassName(entry.log_class); + const char* level_name = Logger::GetLevelName(entry.log_level); + + snprintf(out_text, text_len, "[%4u.%06u] %s <%s> %s: %s", + time_seconds, time_fractional, class_name, level_name, + TrimSourcePath(entry.location.c_str()), entry.message.c_str()); +} + +static void ChangeConsoleColor(Level level) { +#ifdef _WIN32 + static HANDLE console_handle = GetStdHandle(STD_ERROR_HANDLE); + + WORD color = 0; + switch (level) { + case Level::Trace: // Grey + color = FOREGROUND_INTENSITY; break; + case Level::Debug: // Cyan + color = FOREGROUND_GREEN | FOREGROUND_BLUE; break; + case Level::Info: // Bright gray + color = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE; break; + case Level::Warning: // Bright yellow + color = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY; break; + case Level::Error: // Bright red + color = FOREGROUND_RED | FOREGROUND_INTENSITY; break; + case Level::Critical: // Bright magenta + color = FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY; break; + } + + SetConsoleTextAttribute(console_handle, color); +#else +#define ESC "\x1b" + const char* color = ""; + switch (level) { + case Level::Trace: // Grey + color = ESC "[1;30m"; break; + case Level::Debug: // Cyan + color = ESC "[0;36m"; break; + case Level::Info: // Bright gray + color = ESC "[0;37m"; break; + case Level::Warning: // Bright yellow + color = ESC "[1;33m"; break; + case Level::Error: // Bright red + color = ESC "[1;31m"; break; + case Level::Critical: // Bright magenta + color = ESC "[1;35m"; break; + } +#undef ESC + + fputs(color, stderr); +#endif +} + +void PrintMessage(const Entry& entry) { + ChangeConsoleColor(entry.log_level); + std::array<char, 4 * 1024> format_buffer; + FormatLogMessage(entry, format_buffer.data(), format_buffer.size()); + fputs(format_buffer.data(), stderr); + fputc('\n', stderr); +} + +void TextLoggingLoop(std::shared_ptr<Logger> logger, const Filter* filter) { + std::array<Entry, 256> entry_buffer; + + while (true) { + size_t num_entries = logger->GetEntries(entry_buffer.data(), entry_buffer.size()); + if (num_entries == Logger::QUEUE_CLOSED) { + break; + } + for (size_t i = 0; i < num_entries; ++i) { + const Entry& entry = entry_buffer[i]; + if (filter->CheckMessage(entry.log_class, entry.log_level)) { + PrintMessage(entry); + } + } + } +} + +} |