Reorganize folder structure.

2018-07-06 13:59:16 +08:00
parent 3b13cc74f7
commit 88511caff6
82 changed files with 38 additions and 48 deletions
@@ -0,0 +1,153 @@
+#ifndef WEBCC_LOGGER_H_
+#define WEBCC_LOGGER_H_
+
+// Simple console logger.
+
+#if WEBCC_ENABLE_LOG
+
+#include <cstring>  // for strrchr()
+#include <string>
+
+// Log levels.
+#define WEBCC_VERB 0  // Similar to DEBUG in other projects.
+#define WEBCC_INFO 1
+#define WEBCC_WARN 2
+#define WEBCC_ERRO 3
+#define WEBCC_FATA 4
+
+// Default log level.
+// You have to define a proper log level in CMakeLists.txt, e.g.,
+//   add_definitions(-DWEBCC_LOG_LEVEL=2)
+#ifndef WEBCC_LOG_LEVEL
+#define WEBCC_LOG_LEVEL WEBCC_WARN
+#endif
+
+#define WEBCC_LOG_FILE_NAME "webcc.log"
+
+namespace webcc {
+
+enum LogMode {
+  LOG_FILE        = 1,  // Log to file.
+  LOG_CONSOLE     = 2,  // Log to console.
+  LOG_FLUSH       = 4,  // Flush on each log.
+  LOG_OVERWRITE   = 8,  // Overwrite any existing log file.
+};
+
+// Commonly used modes.
+const int LOG_CONSOLE_FILE_APPEND = LOG_CONSOLE | LOG_FILE;
+const int LOG_CONSOLE_FILE_OVERWRITE = LOG_CONSOLE | LOG_FILE | LOG_OVERWRITE;
+
+// Initialize logger.
+// If |dir| is empty, log file will be generated in current directory.
+void LogInit(const std::string& dir, int modes);
+
+void LogWrite(int level, const char* file, int line, const char* format, ...);
+
+}  // namespace webcc
+
+// Initialize the logger with a level.
+#define WEBCC_LOG_INIT(dir, modes) webcc::LogInit(dir, modes);
+
+#if (defined(WIN32) || defined(_WIN64))
+
+// See: https://stackoverflow.com/a/8488201
+#define __FILENAME__ std::strrchr("\\" __FILE__, '\\') + 1
+
+#if WEBCC_LOG_LEVEL <= WEBCC_VERB
+#define LOG_VERB(format, ...) \
+    webcc::LogWrite(WEBCC_VERB, __FILENAME__, __LINE__, format, ##__VA_ARGS__);
+#else
+#define LOG_VERB(format, ...)
+#endif
+
+#if WEBCC_LOG_LEVEL <= WEBCC_INFO
+#define LOG_INFO(format, ...) \
+    webcc::LogWrite(WEBCC_INFO, __FILENAME__, __LINE__, format, ##__VA_ARGS__);
+#else
+#define LOG_INFO(format, ...)
+#endif
+
+#if WEBCC_LOG_LEVEL <= WEBCC_WARN
+#define LOG_WARN(format, ...) \
+    webcc::LogWrite(WEBCC_WARN, __FILENAME__, __LINE__, format, ##__VA_ARGS__);
+#else
+#define LOG_WARN(format, ...)
+#endif
+
+#if WEBCC_LOG_LEVEL <= WEBCC_ERRO
+#define LOG_ERRO(format, ...) \
+    webcc::LogWrite(WEBCC_ERRO, __FILENAME__, __LINE__, format, ##__VA_ARGS__);
+#else
+#define LOG_ERRO(format, ...)
+#endif
+
+#if WEBCC_LOG_LEVEL <= WEBCC_FATA
+#define LOG_FATA(format, ...) \
+    webcc::LogWrite(WEBCC_FATA, __FILENAME__, __LINE__, format, ##__VA_ARGS__);
+#else
+#define LOG_FATA(format, ...)
+#endif
+
+#else
+
+// See: https://stackoverflow.com/a/8488201
+#define __FILENAME__ std::strrchr("/" __FILE__, '/') + 1
+
+#if WEBCC_LOG_LEVEL <= WEBCC_VERB
+#define LOG_VERB(format, args...) \
+    webcc::LogWrite(WEBCC_VERB, __FILENAME__, __LINE__, format, ##args);
+#else
+#define LOG_VERB(format, args...)
+#endif
+
+#if WEBCC_LOG_LEVEL <= WEBCC_INFO
+#define LOG_INFO(format, args...) \
+    webcc::LogWrite(WEBCC_INFO, __FILENAME__, __LINE__, format, ##args);
+#else
+#define LOG_INFO(format, args...)
+#endif
+
+#if WEBCC_LOG_LEVEL <= WEBCC_WARN
+#define LOG_WARN(format, args...) \
+    webcc::LogWrite(WEBCC_WARN, __FILENAME__, __LINE__, format, ##args);
+#else
+#define LOG_WARN(format, args...)
+#endif
+
+#if WEBCC_LOG_LEVEL <= WEBCC_ERRO
+#define LOG_ERRO(format, args...) \
+    webcc::LogWrite(WEBCC_ERRO, __FILENAME__, __LINE__, format, ##args);
+#else
+#define LOG_ERRO(format, args...)
+#endif
+
+#if WEBCC_LOG_LEVEL <= WEBCC_FATA
+#define LOG_FATA(format, args...) \
+    webcc::LogWrite(WEBCC_FATA, __FILENAME__, __LINE__, format, ##args);
+#else
+#define LOG_FATA(format, args...)
+#endif
+
+#endif  // defined(WIN32) || defined(_WIN64)
+
+#else  // WEBCC_ENABLE_LOG == 0
+
+#define WEBCC_LOG_INIT(dir, modes)
+
+#if (defined(WIN32) || defined(_WIN64))
+#define LOG_VERB(format, ...)
+#define LOG_INFO(format, ...)
+#define LOG_WARN(format, ...)
+#define LOG_ERRO(format, ...)
+#define LOG_FATA(format, ...)
+#else
+#define LOG_VERB(format, args...)
+#define LOG_INFO(format, args...)
+#define LOG_WARN(format, args...)
+#define LOG_ERRO(format, args...)
+#define LOG_FATA(format, args...)
+#endif  // defined(WIN32) || defined(_WIN64)
+
+#endif  // WEBCC_ENABLE_LOG
+
+#endif  // WEBCC_LOGGER_H_