returned fast_oss with optimizations

astyle.sh

 #!/bin/bash
-find . -name "*\.h" -o -name "*\.cpp"|xargs astyle --style=stroustrup
+find . -name "*\.h" -o -name "*\.cpp"|xargs astyle -A8
+
 

example/example.cpp

@@ -58,8 +58,8 @@ int main(int argc, char* argv[])
     auto &my_logger  = get_logger("example");
     auto null_sink = std::make_shared<sinks::null_sink>();
     //auto async = std::make_shared<sinks::async_sink>(1000);
-    //async->add_sink(fsink);
     my_logger.add_sink(fsink);
+    //my_logger.add_sink(null_sink);
 
 
     auto start = system_clock::now();

example/utils.h

@@ -7,7 +7,8 @@
 #include <iomanip>
 #include <locale>
 
-namespace utils {
+namespace utils
+{
 
 template<typename T>
 std::string format(const T& value)

include/c11log/common_types.h

@@ -2,11 +2,13 @@
 
 #include <chrono>
 
-namespace c11log {
+namespace c11log
+{
 
 typedef std::chrono::system_clock log_clock;
 
-namespace level {
+namespace level
+{
 typedef enum {
     DEBUG,
     INFO,

include/c11log/details/blocking_queue.h

@@ -10,11 +10,14 @@
 #include <mutex>
 #include <condition_variable>
 
-namespace c11log {
-namespace details {
+namespace c11log
+{
+namespace details
+{
 
 template<typename T>
-class blocking_queue {
+class blocking_queue
+{
 public:
     using queue_t = std::queue<T>;
     using size_type = typename queue_t::size_type;

include/c11log/details/factory.h

@@ -5,10 +5,13 @@
 #include <memory>
 #include <mutex>
 
-namespace c11log {
+namespace c11log
+{
 class logger;
-namespace details {
-class factory {
+namespace details
+{
+class factory
+{
 public:
     typedef std::shared_ptr<c11log::logger>  logger_ptr;
     typedef std::unordered_map<std::string, logger_ptr> logger_map;

include/c11log/details/fast_oss.h

 #pragma once
 
+// Fast ostringstream like supprt which return its string by ref and nothing more
+
 #include<streambuf>
 #include<string>
-namespace c11log {
-namespace details {
 
-class str_devicebuf:public std::streambuf {
+namespace c11log
+{
+namespace details
+{
+
+class str_devicebuf:public std::streambuf
+{
 public:
     str_devicebuf() = default;
     ~str_devicebuf() = default;
-    str_devicebuf(const str_devicebuf& other):std::streambuf(),_str(other._str) {}
-
-    str_devicebuf(str_devicebuf&& other) :std::streambuf(), _str(std::move(other._str)) {
-        other._str.clear();
-    }
 
+    str_devicebuf(const str_devicebuf& other) = delete;
+    str_devicebuf(str_devicebuf&& other) = delete;
     str_devicebuf& operator=(const str_devicebuf&) = delete;
     str_devicebuf& operator=(str_devicebuf&&) = delete;
 
 
     const std::string& str_ref() const {
         return _str;
-        std::ostringstream oss;
     }
 
     void clear() {
@@ -47,29 +49,22 @@ private:
     std::string _str;
 };
 
-class fast_oss:public std::ostream {
+class fast_oss:public std::ostream
+{
 public:
     fast_oss():std::ostream(&_dev) {}
     ~fast_oss() = default;
 
-    fast_oss(const fast_oss& other) :std::basic_ios<char>(), std::ostream(&_dev), _dev(other._dev) {}
-
-    fast_oss(fast_oss&& other) :std::basic_ios<char>(), std::ostream(&_dev), _dev(std::move(other._dev)) {}
-
+    fast_oss(const fast_oss& other) = delete;
+    fast_oss(fast_oss&& other) = delete;
     fast_oss& operator=(const fast_oss& other) = delete;
 
-
     const std::string& str_ref() const {
         return _dev.str_ref();
     }
 
-    const std::string str() const {
-        return _dev.str_ref();
-    }
 
-    void clear() {
-        _dev.clear();
-    }
+
 private:
     str_devicebuf _dev;
 };

include/c11log/details/flush_helper.h

@@ -3,9 +3,12 @@
 #include <iostream>
 // Flush to file every X writes..
 
-namespace c11log {
-namespace details {
-class file_flush_helper {
+namespace c11log
+{
+namespace details
+{
+class file_flush_helper
+{
 public:
     explicit file_flush_helper(const std::chrono::milliseconds &flush_every): _flush_every(flush_every), _last_flush() {};
 

include/c11log/details/line_logger.h

@@ -2,13 +2,17 @@
 
 #include "../common_types.h"
 #include "../logger.h"
+#include "fast_oss.h"
 #include <iostream>
 
-namespace c11log {
+namespace c11log
+{
 class logger;
-namespace details {
+namespace details
+{
 
-class line_logger {
+class line_logger
+{
 public:
     line_logger(logger* callback_logger, level::level_enum msg_level, bool enabled):
         _callback_logger(callback_logger),
@@ -25,7 +29,7 @@ public:
 
     line_logger(line_logger&& other) :
         _callback_logger(other._callback_logger),
-        _oss(std::move(other._oss)),
+        _oss(),
         _level(other._level) {
     };
 
@@ -36,7 +40,7 @@ public:
     ~line_logger() {
         if (_enabled) {
             _oss << '\n';
-            _callback_logger->_log_it(_oss.str(), _level);
+            _callback_logger->_log_it(_oss.str_ref(), _level);
         }
     }
 
@@ -50,7 +54,8 @@ public:
 
 private:
     logger* _callback_logger;
-    std::ostringstream _oss;
+    //std::ostringstream _oss;
+    details::fast_oss _oss;
     level::level_enum _level;
     bool _enabled;
 

include/c11log/details/os.h

@@ -3,9 +3,12 @@
 #include<cstdio>
 #include<ctime>
 
-namespace c11log {
-namespace details {
-namespace os {
+namespace c11log
+{
+namespace details
+{
+namespace os
+{
 
 inline std::tm localtime(const std::time_t &time_tt)
 {

include/c11log/formatter.h

@@ -10,15 +10,18 @@
 #include "common_types.h"
 #include "details/os.h"
 
-namespace c11log {
-namespace formatters {
+namespace c11log
+{
+namespace formatters
+{
 
 typedef std::function<std::string(const std::string& logger_name, const std::string&, level::level_enum, const c11log::log_clock::time_point&)> format_fn;
 
 
 std::string to_hex(const unsigned char* buf, std::size_t size);
 
-class formatter {
+class formatter
+{
 public:
     formatter() {}
     virtual ~formatter() {}
@@ -26,7 +29,8 @@ public:
 };
 
 
-class default_formatter: public formatter {
+class default_formatter: public formatter
+{
 public:
     // Format: [2013-12-29 01:04:42.900] [logger_name:Info] Message body
     void format_header(const std::string& logger_name, level::level_enum level, const log_clock::time_point& tp, std::ostream& dest) override {
@@ -55,8 +59,7 @@ inline void c11log::formatters::default_formatter::_format_time(const log_clock:
 
     auto tm_now = details::os::localtime(log_clock::to_time_t(tp));
     using namespace c11log::details::os;
-    if(last_tm != tm_now)
-    {
+    if(last_tm != tm_now) {
 #ifdef _MSC_VER
         ::sprintf_s
 #else

include/c11log/logger.h

@@ -12,15 +12,18 @@
 #include "sinks/base_sink.h"
 #include "details/factory.h"
 
-namespace c11log {
+namespace c11log
+{
 
 
-namespace details {
+namespace details
+{
 class line_logger;
 }
 
 
-class logger {
+class logger
+{
 public:
 
     typedef std::shared_ptr<sinks::base_sink>  sink_ptr_t;
@@ -30,8 +33,7 @@ public:
         _logger_name(name),
         _formatter(new formatters::default_formatter()),
         _sinks(),
-        _mutex()
-    {
+        _mutex() {
         //Seems that vs2013 doesnt support atomic member initialization in ctor, so its done here
         _atomic_level = level::INFO;
     }
@@ -72,13 +74,9 @@ private:
 
 logger& get_logger(const std::string& name);
 
-
-
-
 }
 
 
-
 //
 // Logger inline impl
 //

include/c11log/sinks/async_sink.h

@@ -8,10 +8,13 @@
 #include "../logger.h"
 #include "../details/blocking_queue.h"
 
-namespace c11log {
-namespace sinks {
+namespace c11log
+{
+namespace sinks
+{
 
-class async_sink : public base_sink {
+class async_sink : public base_sink
+{
 public:
     using size_type = c11log::details::blocking_queue<std::string>::size_type;
 

include/c11log/sinks/base_sink.h

@@ -6,9 +6,12 @@
 #include "../formatter.h"
 #include "../common_types.h"
 
-namespace c11log {
-namespace sinks {
-class base_sink {
+namespace c11log
+{
+namespace sinks
+{
+class base_sink
+{
 public:
     base_sink() = default;
     base_sink(level::level_enum l):_level(l) {
@@ -33,7 +36,8 @@ protected:
     std::atomic<int> _level {level::INFO};
 };
 
-class null_sink:public base_sink {
+class null_sink:public base_sink
+{
 protected:
     void _sink_it(const std::string& ) override {
     }

include/c11log/sinks/file_sinks.h

@@ -6,13 +6,16 @@
 #include "base_sink.h"
 #include "../details/flush_helper.h"
 
-namespace c11log {
-namespace sinks {
+namespace c11log
+{
+namespace sinks
+{
 
 /*
 * Trivial file sink with single file as target
 */
-class simple_file_sink : public base_sink {
+class simple_file_sink : public base_sink
+{
 public:
     explicit simple_file_sink(const std::string &filename,
                               const std::string& extension,
@@ -36,7 +39,8 @@ private:
 /*
  * Thread safe, size limited file sink
 */
-class rotating_file_sink : public base_sink {
+class rotating_file_sink : public base_sink
+{
 public:
     rotating_file_sink(const std::string &base_filename, const std::string &extension,
                        size_t max_size, size_t max_files,
@@ -104,7 +108,8 @@ private:
 /*
  * Thread safe file sink that closes the log file at midnight and opens new one
  */
-class daily_file_sink:public base_sink {
+class daily_file_sink:public base_sink
+{
 public:
     explicit daily_file_sink(const std::string& base_filename,
                              const std::string& extension,
@@ -140,14 +145,14 @@ private:
         return system_clock::time_point(midnight + hours(24));
     }
 
-	//Create filename for the form basename.YYYY-MM-DD.extension
+    //Create filename for the form basename.YYYY-MM-DD.extension
     static std::string _calc_filename(const std::string& basename, const std::string& extension) {
-        std::tm tm = c11log::details::os::localtime();		
-		std::ostringstream oss;
-		oss << basename << '.';
-		oss << tm.tm_year + 1900 << '-' << std::setw(2) << std::setfill('0') << tm.tm_mon + 1 << '-' << tm.tm_mday;
-		oss << '.' << extension;
-		return oss.str();
+        std::tm tm = c11log::details::os::localtime();
+        std::ostringstream oss;
+        oss << basename << '.';
+        oss << tm.tm_year + 1900 << '-' << std::setw(2) << std::setfill('0') << tm.tm_mon + 1 << '-' << tm.tm_mday;
+        oss << '.' << extension;
+        return oss.str();
     }
 
     std::string _base_filename;

include/c11log/sinks/stdout_sinks.h

@@ -6,23 +6,26 @@
 
 #include "base_sink.h"
 
-namespace c11log {
-namespace sinks {
-class ostream_sink: public base_sink {
+namespace c11log
+{
+namespace sinks
+{
+class ostream_sink: public base_sink
+{
 public:
     explicit ostream_sink(std::ostream& os):_ostream(os) {}
-	ostream_sink(const ostream_sink&) = delete;
-	ostream_sink& operator=(const ostream_sink&) = delete;
+    ostream_sink(const ostream_sink&) = delete;
+    ostream_sink& operator=(const ostream_sink&) = delete;
     virtual ~ostream_sink() = default;
 
 protected:
     virtual void _sink_it(const std::string& msg) override {
-		std::lock_guard<std::mutex> lock(_mutex);
+        std::lock_guard<std::mutex> lock(_mutex);
         _ostream << msg;
     }
 
     std::ostream& _ostream;
-	std::mutex _mutex;
+    std::mutex _mutex;
 };