Bump version to 1.9.2

The install instructions for "header only" refers to the wrong folder

.travis.yml

@@ -29,6 +29,14 @@ addons: &gcc9
       - g++-9
     sources:
       - ubuntu-toolchain-r-test
+      
+# gcc 11.0
+addons: &gcc11
+  apt:
+    packages:
+      - g++-11
+    sources:
+      - ubuntu-toolchain-r-test
 
 
 # Clang 3.5
@@ -50,6 +58,16 @@ addons: &clang10
     sources:
       - sourceline: "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-10 main"
         key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
+        
+addons: &clang12
+  apt:
+    packages:
+      - clang-12
+      - lldb-12
+      - lld-12
+    sources:
+      - sourceline: "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-12 main"
+        key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"        
 
 
 matrix:
@@ -64,11 +82,17 @@ matrix:
       os: linux
       addons: *gcc7
       
-     # Test gcc-9: C++17, Build=Release
+    # Test gcc-9: C++17, Build=Release
     - env: GCC_VERSION=9 BUILD_TYPE=Release CPP=17
       os: linux
       addons: *gcc9
 
+    # Test gcc-11.0: C++20, Build=Debug
+    - env: GCC_VERSION=11 BUILD_TYPE=Debug CPP=20 ASAN=Off
+      os: linux
+      dist: bionic
+      addons: *gcc11
+      
     # Test clang-3.5: C++11, Build=Release
     - env: CLANG_VERSION=3.5 BUILD_TYPE=Release CPP=11
       os: linux
@@ -89,9 +113,15 @@ matrix:
       os: linux
       dist: bionic
       addons: *clang10
+      
             
-
-
+    # Test clang-12.0: C++17, Build=Debug
+    - env: CLANG_VERSION=12 BUILD_TYPE=Debug CPP=17 ASAN=Off
+      os: linux
+      dist: bionic
+      addons: *clang12
+          
+                        
 before_script:
   - if [ -n "$GCC_VERSION" ]; then export CXX="g++-${GCC_VERSION}" CC="gcc-${GCC_VERSION}"; fi
   - if [ -n "$CLANG_VERSION" ]; then export CXX="clang++-${CLANG_VERSION}" CC="clang-${CLANG_VERSION}"; fi

CMakeLists.txt

@@ -307,7 +307,8 @@ if(SPDLOG_INSTALL)
     install(EXPORT spdlog DESTINATION ${export_dest_dir} NAMESPACE spdlog:: FILE ${config_targets_file})
 
     include(CMakePackageConfigHelpers)
-    configure_file("${project_config_in}" "${project_config_out}" @ONLY)
+    configure_package_config_file("${project_config_in}" "${project_config_out}"
+        INSTALL_DESTINATION ${export_dest_dir})
 
     write_basic_package_version_file("${version_config_file}" COMPATIBILITY SameMajorVersion)
     install(FILES "${project_config_out}" "${version_config_file}" DESTINATION "${export_dest_dir}")

README.md

@@ -4,7 +4,7 @@ Very fast, header-only/compiled, C++ logging library. [![Build Status](https://t
 
 ## Install 
 #### Header only version
-Copy the source [folder](https://github.com/gabime/spdlog/tree/v1.x/include/spdlog) to your build tree and use a C++11 compiler.
+Copy the include [folder](https://github.com/gabime/spdlog/tree/v1.x/include/spdlog) to your build tree and use a C++11 compiler.
 
 #### Static lib version (recommended - much faster compile times)
 ```console
@@ -144,7 +144,7 @@ void daily_example()
 #### Backtrace support
 ```c++
 // Debug messages can be stored in a ring buffer instead of being logged immediately.
-// This is useful in order to display debug logs only when really nededed (e.g. when error happens).
+// This is useful in order to display debug logs only when really needed (e.g. when error happens).
 // When needed, call dump_backtrace() to see them.
 
 spdlog::enable_backtrace(32); // Store the latest 32 messages in a buffer. Older messages will be dropped.

cmake/spdlogConfig.cmake.in

@@ -1,6 +1,8 @@
 # Copyright(c) 2019 spdlog authors
 # Distributed under the MIT License (http://opensource.org/licenses/MIT)
 
+@PACKAGE_INIT@
+
 find_package(Threads REQUIRED)
 
 set(SPDLOG_FMT_EXTERNAL @SPDLOG_FMT_EXTERNAL@)
@@ -13,3 +15,5 @@ endif()
 
 
 include("${CMAKE_CURRENT_LIST_DIR}/${config_targets_file}")
+
+check_required_components(spdlog)

example/example.cpp

@@ -22,7 +22,8 @@ void syslog_example();
 void custom_flags_example();
 
 #include "spdlog/spdlog.h"
-#include "spdlog/cfg/env.h" // support for loading levels from the environment variable
+#include "spdlog/cfg/env.h"  // support for loading levels from the environment variable
+#include "spdlog/fmt/ostr.h" // support for user defined types
 
 int main(int, char *[])
 {
@@ -221,7 +222,6 @@ void multi_sink_example()
 }
 
 // User defined types logging by implementing operator<<
-#include "spdlog/fmt/ostr.h" // must be included
 struct my_type
 {
     int i;

include/spdlog/common-inl.h

@@ -34,7 +34,7 @@ SPDLOG_INLINE spdlog::level::level_enum from_str(const std::string &name) SPDLOG
 {
     auto it = std::find(std::begin(level_string_views), std::end(level_string_views), name);
     if (it != std::end(level_string_views))
-        return static_cast<level::level_enum>(std::distance(std::begin(level_string_views), it));
+        return static_cast<level::level_enum>(it - std::begin(level_string_views));
 
     // check also for "warn" and "err" before giving up..
     if (name == "warn")

include/spdlog/common.h

@@ -116,19 +116,27 @@ using wstring_view_t = fmt::basic_string_view<wchar_t>;
 using memory_buf_t = fmt::basic_memory_buffer<char, 250>;
 using wmemory_buf_t = fmt::basic_memory_buffer<wchar_t, 250>;
 
+template<class T>
+using remove_cvref_t = typename std::remove_cv<typename std::remove_reference<T>::type>::type;
+
+// clang doesn't like SFINAE disabled constructor in std::is_convertible<> so have to repeat the condition from basic_format_string here,
+// in addition, fmt::basic_runtime<Char> is only convertible to basic_format_string<Char> but not basic_string_view<Char>
+template<class T, class Char = char>
+struct is_convertible_to_basic_format_string
+    : std::integral_constant<bool,
+          std::is_convertible<T, fmt::basic_string_view<Char>>::value || std::is_same<remove_cvref_t<T>, fmt::basic_runtime<Char>>::value>
+{};
+
 #ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
 #    ifndef _WIN32
 #        error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
-#    else
-template<typename T>
-struct is_convertible_to_wstring_view : std::is_convertible<T, wstring_view_t>
-{};
 #    endif // _WIN32
-#else
-template<typename>
-struct is_convertible_to_wstring_view : std::false_type
+#endif     // SPDLOG_WCHAR_TO_UTF8_SUPPORT
+
+template<class T>
+struct is_convertible_to_any_format_string : std::integral_constant<bool, is_convertible_to_basic_format_string<T, char>::value ||
+                                                                              is_convertible_to_basic_format_string<T, wchar_t>::value>
 {};
-#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
 
 #if defined(SPDLOG_NO_ATOMIC_LEVELS)
 using level_t = details::null_atomic_int;
@@ -162,13 +170,13 @@ enum level_enum
     n_levels
 };
 
-#define SPDLOG_LEVEL_NAME_TRACE string_view_t("trace", 5)
-#define SPDLOG_LEVEL_NAME_DEBUG string_view_t("debug", 5)
-#define SPDLOG_LEVEL_NAME_INFO string_view_t("info", 4)
-#define SPDLOG_LEVEL_NAME_WARNING string_view_t("warning", 7)
-#define SPDLOG_LEVEL_NAME_ERROR string_view_t("error", 5)
-#define SPDLOG_LEVEL_NAME_CRITICAL string_view_t("critical", 8)
-#define SPDLOG_LEVEL_NAME_OFF string_view_t("off", 3)
+#define SPDLOG_LEVEL_NAME_TRACE spdlog::string_view_t("trace", 5)
+#define SPDLOG_LEVEL_NAME_DEBUG spdlog::string_view_t("debug", 5)
+#define SPDLOG_LEVEL_NAME_INFO spdlog::string_view_t("info", 4)
+#define SPDLOG_LEVEL_NAME_WARNING spdlog::string_view_t("warning", 7)
+#define SPDLOG_LEVEL_NAME_ERROR spdlog::string_view_t("error", 5)
+#define SPDLOG_LEVEL_NAME_CRITICAL spdlog::string_view_t("critical", 8)
+#define SPDLOG_LEVEL_NAME_OFF spdlog::string_view_t("off", 3)
 
 #if !defined(SPDLOG_LEVEL_NAMES)
 #    define SPDLOG_LEVEL_NAMES                                                                                                             \

include/spdlog/details/fmt_helper.h

@@ -55,7 +55,7 @@ inline void pad2(int n, memory_buf_t &dest)
     }
     else // unlikely, but just in case, let fmt deal with it
     {
-        fmt::format_to(std::back_inserter(dest), "{:02}", n);
+        fmt::format_to(std::back_inserter(dest), SPDLOG_FMT_RUNTIME("{:02}"), n);
     }
 }
 

include/spdlog/details/thread_pool.h

@@ -27,7 +27,6 @@ enum class async_msg_type
     terminate
 };
 
-#include <spdlog/details/log_msg_buffer.h>
 // Async msg to move to/from the queue
 // Movable only. should never be copied
 struct async_msg : log_msg_buffer

include/spdlog/fmt/bin_to_hex.h

@@ -6,6 +6,7 @@
 #pragma once
 
 #include <cctype>
+#include <spdlog/common.h>
 
 //
 // Support for logging binary data as hex
@@ -89,7 +90,7 @@ struct formatter<spdlog::details::dump_info<T>>
 
     // parse the format string flags
     template<typename ParseContext>
-    auto parse(ParseContext &ctx) -> decltype(ctx.begin())
+    FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
     {
         auto it = ctx.begin();
         while (it != ctx.end() && *it != '}')

include/spdlog/logger.h

@@ -77,14 +77,14 @@ public:
     logger &operator=(logger other) SPDLOG_NOEXCEPT;
     void swap(spdlog::logger &other) SPDLOG_NOEXCEPT;
 
-    template<typename FormatString, typename... Args>
-    void log(source_loc loc, level::level_enum lvl, const FormatString &fmt, Args &&...args)
+    template<typename... Args>
+    void log(source_loc loc, level::level_enum lvl, fmt::format_string<Args...> fmt, Args &&...args)
     {
         log_(loc, lvl, fmt, std::forward<Args>(args)...);
     }
 
-    template<typename FormatString, typename... Args>
-    void log(level::level_enum lvl, const FormatString &fmt, Args &&...args)
+    template<typename... Args>
+    void log(level::level_enum lvl, fmt::format_string<Args...> fmt, Args &&...args)
     {
         log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);
     }
@@ -102,6 +102,13 @@ public:
         log(loc, lvl, string_view_t{msg});
     }
 
+    // T cannot be statically converted to format string (including string_view)
+    template<class T, typename std::enable_if<!is_convertible_to_any_format_string<const T &>::value, int>::type = 0>
+    void log(source_loc loc, level::level_enum lvl, const T &msg)
+    {
+        log(loc, lvl, "{}", msg);
+    }
+
     void log(log_clock::time_point log_time, source_loc loc, level::level_enum lvl, string_view_t msg)
     {
         bool log_enabled = should_log(lvl);
@@ -133,51 +140,92 @@ public:
         log(source_loc{}, lvl, msg);
     }
 
-    // T cannot be statically converted to string_view or wstring_view
-    template<class T, typename std::enable_if<!std::is_convertible<const T &, spdlog::string_view_t>::value &&
-                                                  !is_convertible_to_wstring_view<const T &>::value,
-                          int>::type = 0>
-    void log(source_loc loc, level::level_enum lvl, const T &msg)
-    {
-        log(loc, lvl, "{}", msg);
-    }
-
-    template<typename FormatString, typename... Args>
-    void trace(const FormatString &fmt, Args &&...args)
+    template<typename... Args>
+    void trace(fmt::format_string<Args...> fmt, Args &&...args)
     {
         log(level::trace, fmt, std::forward<Args>(args)...);
     }
 
-    template<typename FormatString, typename... Args>
-    void debug(const FormatString &fmt, Args &&...args)
+    template<typename... Args>
+    void debug(fmt::format_string<Args...> fmt, Args &&...args)
     {
         log(level::debug, fmt, std::forward<Args>(args)...);
     }
 
-    template<typename FormatString, typename... Args>
-    void info(const FormatString &fmt, Args &&...args)
+    template<typename... Args>
+    void info(fmt::format_string<Args...> fmt, Args &&...args)
     {
         log(level::info, fmt, std::forward<Args>(args)...);
     }
 
-    template<typename FormatString, typename... Args>
-    void warn(const FormatString &fmt, Args &&...args)
+    template<typename... Args>
+    void warn(fmt::format_string<Args...> fmt, Args &&...args)
     {
         log(level::warn, fmt, std::forward<Args>(args)...);
     }
 
-    template<typename FormatString, typename... Args>
-    void error(const FormatString &fmt, Args &&...args)
+    template<typename... Args>
+    void error(fmt::format_string<Args...> fmt, Args &&...args)
     {
         log(level::err, fmt, std::forward<Args>(args)...);
     }
 
-    template<typename FormatString, typename... Args>
-    void critical(const FormatString &fmt, Args &&...args)
+    template<typename... Args>
+    void critical(fmt::format_string<Args...> fmt, Args &&...args)
     {
         log(level::critical, fmt, std::forward<Args>(args)...);
     }
 
+#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
+    template<typename... Args>
+    void log(level::level_enum lvl, fmt::wformat_string<Args...> fmt, Args &&...args)
+    {
+        log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);
+    }
+
+    template<typename... Args>
+    void log(source_loc loc, level::level_enum lvl, fmt::wformat_string<Args...> fmt, Args &&...args)
+    {
+        log_(loc, lvl, fmt, std::forward<Args>(args)...);
+    }
+
+    template<typename... Args>
+    void trace(fmt::wformat_string<Args...> fmt, Args &&...args)
+    {
+        log(level::trace, fmt, std::forward<Args>(args)...);
+    }
+
+    template<typename... Args>
+    void debug(fmt::wformat_string<Args...> fmt, Args &&...args)
+    {
+        log(level::debug, fmt, std::forward<Args>(args)...);
+    }
+
+    template<typename... Args>
+    void info(fmt::wformat_string<Args...> fmt, Args &&...args)
+    {
+        log(level::info, fmt, std::forward<Args>(args)...);
+    }
+
+    template<typename... Args>
+    void warn(fmt::wformat_string<Args...> fmt, Args &&...args)
+    {
+        log(level::warn, fmt, std::forward<Args>(args)...);
+    }
+
+    template<typename... Args>
+    void error(fmt::wformat_string<Args...> fmt, Args &&...args)
+    {
+        log(level::err, fmt, std::forward<Args>(args)...);
+    }
+
+    template<typename... Args>
+    void critical(fmt::wformat_string<Args...> fmt, Args &&...args)
+    {
+        log(level::critical, fmt, std::forward<Args>(args)...);
+    }
+#endif
+
     template<typename T>
     void trace(const T &msg)
     {
@@ -269,9 +317,8 @@ protected:
     details::backtracer tracer_;
 
     // common implementation for after templated public api has been resolved
-    template<typename FormatString, typename... Args, typename Char = fmt::char_t<FormatString>,
-        typename std::enable_if<!std::is_same<Char, wchar_t>::value, Char>::type * = nullptr>
-    void log_(source_loc loc, level::level_enum lvl, const FormatString &fmt, Args &&...args)
+    template<typename... Args>
+    void log_(source_loc loc, level::level_enum lvl, string_view_t fmt, Args &&...args)
     {
         bool log_enabled = should_log(lvl);
         bool traceback_enabled = tracer_.enabled();
@@ -282,7 +329,7 @@ protected:
         SPDLOG_TRY
         {
             memory_buf_t buf;
-            fmt::detail::vformat_to(buf, fmt::to_string_view(fmt), fmt::make_format_args(args...));
+            fmt::detail::vformat_to(buf, fmt, fmt::make_format_args(args...));
             details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
             log_it_(log_msg, log_enabled, traceback_enabled);
         }
@@ -291,7 +338,7 @@ protected:
 
 #ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
     template<typename... Args>
-    void log_(source_loc loc, level::level_enum lvl, const wstring_view_t &fmt, Args &&...args)
+    void log_(source_loc loc, level::level_enum lvl, wstring_view_t fmt, Args &&...args)
     {
         bool log_enabled = should_log(lvl);
         bool traceback_enabled = tracer_.enabled();
@@ -303,7 +350,7 @@ protected:
         {
             // format to wmemory_buffer and convert to utf8
             fmt::wmemory_buffer wbuf;
-            fmt::format_to(std::back_inserter(wbuf), fmt, std::forward<Args>(args)...);
+            fmt::detail::vformat_to(wbuf, fmt, fmt::make_format_args<fmt::wformat_context>(args...));
             memory_buf_t buf;
             details::os::wstr_to_utf8buf(wstring_view_t(wbuf.data(), wbuf.size()), buf);
             details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));

include/spdlog/sinks/mongo_sink.h

@@ -33,7 +33,7 @@ public:
     {
         try
         {
-            client_ = std::make_unique<mongocxx::client>(mongocxx::uri{uri});
+            client_ = spdlog::details::make_unique<mongocxx::client>(mongocxx::uri{uri});
             db_name_ = db_name;
             coll_name_ = collection_name;
         }

include/spdlog/sinks/qt_sinks.h

@@ -4,7 +4,7 @@
 #pragma once
 
 //
-// Custom sink for QPlainTextEdit or QTextEdit and its children(QTextBrowser...
+// Custom sink for QPlainTextEdit or QTextEdit and its childs(QTextBrowser...
 // etc) Building and using requires Qt library.
 //
 
@@ -13,188 +13,81 @@
 #include "spdlog/details/synchronous_factory.h"
 #include "spdlog/sinks/base_sink.h"
 
-#include <QObject>
-#include <QPlainTextEdit>
 #include <QTextEdit>
-
-namespace _spdlog_p {
-namespace _sinks_p {
-//
-// Private class for QTextEdit and its derivatives
-//
-class qtextedit_sink_p : public QObject
-{
-    Q_OBJECT
-public:
-    qtextedit_sink_p(QTextEdit *textedit = nullptr)
-    {
-        if (textedit != nullptr)
-        {
-            textedit_ = textedit;
-            connect(this, &qtextedit_sink_p::append_text, textedit_, &QTextEdit::append);
-        }
-    }
-
-    ~qtextedit_sink_p() {}
-
-    void append(const spdlog::string_view_t &str)
-    {
-        emit append_text(QString::fromUtf8(str.data(), static_cast<int>(str.size() - 2)));
-    }
-
-signals:
-    void append_text(const QString &);
-
-private:
-    QTextEdit *textedit_ = nullptr;
-};
+#include <QPlainTextEdit>
 
 //
-// Private class for QPlainTextEdit
-//
-class qplaintextedit_sink_p : public QObject
-{
-    Q_OBJECT
-public:
-    qplaintextedit_sink_p(QPlainTextEdit *textedit = nullptr)
-    {
-        if (textedit != nullptr)
-        {
-            textedit_ = textedit;
-            connect(this, &qplaintextedit_sink_p::append_text, textedit_, &QPlainTextEdit::appendPlainText);
-        }
-    }
-
-    ~qplaintextedit_sink_p() {}
-
-    void append(const spdlog::string_view_t &str)
-    {
-        emit append_text(QString::fromUtf8(str.data(), static_cast<int>(str.size() - 2)));
-    }
-
-signals:
-    void append_text(const QString &);
-
-private:
-    QPlainTextEdit *textedit_ = nullptr;
-};
-} // namespace _sinks_p
-} // namespace _spdlog_p
-
-//
-// qtextedit_sink class
+// qt_sink class
 //
 namespace spdlog {
 namespace sinks {
-template<typename Mutex>
-class qtextedit_sink : public base_sink<Mutex>
-{
+template <typename Mutex> class qt_sink : public base_sink<Mutex> {
 public:
-    qtextedit_sink(QTextEdit *textedit = nullptr)
-    {
-        if (textedit != nullptr)
-        {
-            textedit_p = std::make_shared<_spdlog_p::_sinks_p::qtextedit_sink_p>(textedit);
-        }
-        else
-        {
-            throw spdlog_ex("Error opening QTextEdit");
-        }
-    }
+  qt_sink(QObject *qt_object = nullptr, const std::string &meta_method = "") {
+      qt_object_ = qt_object;
+      meta_method_ = meta_method;
+  }
 
-    ~qtextedit_sink()
-    {
-        flush_();
-    }
+  ~qt_sink() { flush_(); }
 
 protected:
-    void sink_it_(const details::log_msg &msg) override
-    {
-        memory_buf_t formatted;
-        base_sink<Mutex>::formatter_->format(msg, formatted);
-        string_view_t str_v = string_view_t(formatted.data(), formatted.size());
-        textedit_p->append(str_v);
-    }
+  void sink_it_(const details::log_msg &msg) override {
+    memory_buf_t formatted;
+    base_sink<Mutex>::formatter_->format(msg, formatted);
+    string_view_t str = string_view_t(formatted.data(), formatted.size());
+    QMetaObject::invokeMethod(qt_object_, meta_method_.c_str(), Qt::AutoConnection,
+     Q_ARG(QString, QString::fromUtf8(str.data(), static_cast<int>(str.size())).trimmed()));
+  }
 
-    void flush_() override {}
+  void flush_() override {}
 
 private:
-    std::shared_ptr<_spdlog_p::_sinks_p::qtextedit_sink_p> textedit_p = nullptr;
-};
-
-//
-// qplaintextedit_sink class
-//
-template<typename Mutex>
-class qplaintextedit_sink : public base_sink<Mutex>
-{
-public:
-    qplaintextedit_sink(QPlainTextEdit *textedit = nullptr)
-    {
-        if (textedit != nullptr)
-        {
-            textedit_p = std::make_shared<_spdlog_p::_sinks_p::qplaintextedit_sink_p>(textedit);
-        }
-        else
-        {
-            throw spdlog_ex("Error opening QPlainTextEdit");
-        }
-    }
-
-    ~qplaintextedit_sink()
-    {
-        flush_();
-    }
-
-protected:
-    void sink_it_(const details::log_msg &msg) override
-    {
-        memory_buf_t formatted;
-        base_sink<Mutex>::formatter_->format(msg, formatted);
-        string_view_t str_v = string_view_t(formatted.data(), formatted.size());
-        textedit_p->append(str_v);
-    }
-
-    void flush_() override {}
-
-private:
-    std::shared_ptr<_spdlog_p::_sinks_p::qplaintextedit_sink_p> textedit_p = nullptr;
+  QObject *qt_object_ = nullptr;
+  std::string meta_method_;
 };
 
 #include "spdlog/details/null_mutex.h"
 #include <mutex>
-using qtextedit_sink_mt = qtextedit_sink<std::mutex>;
-using qtextedit_sink_st = qtextedit_sink<spdlog::details::null_mutex>;
-
-using qplaintextedit_sink_mt = qplaintextedit_sink<std::mutex>;
-using qplaintextedit_sink_st = qplaintextedit_sink<spdlog::details::null_mutex>;
-
+using qt_sink_mt = qt_sink<std::mutex>;
+using qt_sink_st = qt_sink<spdlog::details::null_mutex>;
 } // namespace sinks
 
 //
 // Factory functions
 //
-template<typename Factory = spdlog::synchronous_factory>
-inline std::shared_ptr<logger> qtextedit_logger_mt(const std::string &logger_name, QTextEdit *qtextedit = nullptr)
-{
-    return Factory::template create<sinks::qtextedit_sink_mt>(logger_name, qtextedit);
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger>
+qt_logger_mt(const std::string &logger_name, QTextEdit* qt_object, const std::string &meta_method = "append") {
+  return Factory::template create<sinks::qt_sink_mt>(logger_name, qt_object, meta_method);
 }
 
-template<typename Factory = spdlog::synchronous_factory>
-inline std::shared_ptr<logger> qtextedit_logger_st(const std::string &logger_name, QTextEdit *qtextedit = nullptr)
-{
-    return Factory::template create<sinks::qtextedit_sink_st>(logger_name, qtextedit);
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger>
+qt_logger_st(const std::string &logger_name, QTextEdit* qt_object, const std::string &meta_method = "append") {
+  return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
 }
 
-template<typename Factory = spdlog::synchronous_factory>
-inline std::shared_ptr<logger> qplaintextedit_logger_mt(const std::string &logger_name, QPlainTextEdit *qplaintextedit = nullptr)
-{
-    return Factory::template create<sinks::qplaintextedit_sink_mt>(logger_name, qplaintextedit);
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger>
+qt_logger_mt(const std::string &logger_name, QPlainTextEdit* qt_object , const std::string &meta_method = "appendPlainText") {
+    return Factory::template create<sinks::qt_sink_mt>(logger_name, qt_object, meta_method);
 }
 
-template<typename Factory = spdlog::synchronous_factory>
-inline std::shared_ptr<logger> qplaintextedit_logger_st(const std::string &logger_name, QPlainTextEdit *qplaintextedit = nullptr)
-{
-    return Factory::template create<sinks::qplaintextedit_sink_st>(logger_name, qplaintextedit);
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger>
+qt_logger_st(const std::string &logger_name, QPlainTextEdit* qt_object, const std::string &meta_method = "appendPlainText") {
+    return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
+}
+
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger>
+qt_logger_mt(const std::string &logger_name, QObject* qt_object, const std::string &meta_method) {
+    return Factory::template create<sinks::qt_sink_mt>(logger_name, qt_object, meta_method);
+}
+
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger>
+qt_logger_st(const std::string &logger_name, QObject* qt_object, const std::string &meta_method) {
+    return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
 }
 } // namespace spdlog

include/spdlog/spdlog.h

@@ -127,50 +127,50 @@ SPDLOG_API spdlog::logger *default_logger_raw();
 
 SPDLOG_API void set_default_logger(std::shared_ptr<spdlog::logger> default_logger);
 
-template<typename FormatString, typename... Args>
-inline void log(source_loc source, level::level_enum lvl, const FormatString &fmt, Args &&...args)
+template<typename... Args>
+inline void log(source_loc source, level::level_enum lvl, fmt::format_string<Args...> fmt, Args &&...args)
 {
     default_logger_raw()->log(source, lvl, fmt, std::forward<Args>(args)...);
 }
 
-template<typename FormatString, typename... Args>
-inline void log(level::level_enum lvl, const FormatString &fmt, Args &&...args)
+template<typename... Args>
+inline void log(level::level_enum lvl, fmt::format_string<Args...> fmt, Args &&...args)
 {
     default_logger_raw()->log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);
 }
 
-template<typename FormatString, typename... Args>
-inline void trace(const FormatString &fmt, Args &&...args)
+template<typename... Args>
+inline void trace(fmt::format_string<Args...> fmt, Args &&...args)
 {
     default_logger_raw()->trace(fmt, std::forward<Args>(args)...);
 }
 
-template<typename FormatString, typename... Args>
-inline void debug(const FormatString &fmt, Args &&...args)
+template<typename... Args>
+inline void debug(fmt::format_string<Args...> fmt, Args &&...args)
 {
     default_logger_raw()->debug(fmt, std::forward<Args>(args)...);
 }
 
-template<typename FormatString, typename... Args>
-inline void info(const FormatString &fmt, Args &&...args)
+template<typename... Args>
+inline void info(fmt::format_string<Args...> fmt, Args &&...args)
 {
     default_logger_raw()->info(fmt, std::forward<Args>(args)...);
 }
 
-template<typename FormatString, typename... Args>
-inline void warn(const FormatString &fmt, Args &&...args)
+template<typename... Args>
+inline void warn(fmt::format_string<Args...> fmt, Args &&...args)
 {
     default_logger_raw()->warn(fmt, std::forward<Args>(args)...);
 }
 
-template<typename FormatString, typename... Args>
-inline void error(const FormatString &fmt, Args &&...args)
+template<typename... Args>
+inline void error(fmt::format_string<Args...> fmt, Args &&...args)
 {
     default_logger_raw()->error(fmt, std::forward<Args>(args)...);
 }
 
-template<typename FormatString, typename... Args>
-inline void critical(const FormatString &fmt, Args &&...args)
+template<typename... Args>
+inline void critical(fmt::format_string<Args...> fmt, Args &&...args)
 {
     default_logger_raw()->critical(fmt, std::forward<Args>(args)...);
 }
@@ -187,6 +187,56 @@ inline void log(level::level_enum lvl, const T &msg)
     default_logger_raw()->log(lvl, msg);
 }
 
+#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
+template<typename... Args>
+inline void log(source_loc source, level::level_enum lvl, fmt::wformat_string<Args...> fmt, Args &&...args)
+{
+    default_logger_raw()->log(source, lvl, fmt, std::forward<Args>(args)...);
+}
+
+template<typename... Args>
+inline void log(level::level_enum lvl, fmt::wformat_string<Args...> fmt, Args &&...args)
+{
+    default_logger_raw()->log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);
+}
+
+template<typename... Args>
+inline void trace(fmt::wformat_string<Args...> fmt, Args &&...args)
+{
+    default_logger_raw()->trace(fmt, std::forward<Args>(args)...);
+}
+
+template<typename... Args>
+inline void debug(fmt::wformat_string<Args...> fmt, Args &&...args)
+{
+    default_logger_raw()->debug(fmt, std::forward<Args>(args)...);
+}
+
+template<typename... Args>
+inline void info(fmt::wformat_string<Args...> fmt, Args &&...args)
+{
+    default_logger_raw()->info(fmt, std::forward<Args>(args)...);
+}
+
+template<typename... Args>
+inline void warn(fmt::wformat_string<Args...> fmt, Args &&...args)
+{
+    default_logger_raw()->warn(fmt, std::forward<Args>(args)...);
+}
+
+template<typename... Args>
+inline void error(fmt::wformat_string<Args...> fmt, Args &&...args)
+{
+    default_logger_raw()->error(fmt, std::forward<Args>(args)...);
+}
+
+template<typename... Args>
+inline void critical(fmt::wformat_string<Args...> fmt, Args &&...args)
+{
+    default_logger_raw()->critical(fmt, std::forward<Args>(args)...);
+}
+#endif
+
 template<typename T>
 inline void trace(const T &msg)
 {

include/spdlog/version.h

@@ -5,6 +5,6 @@
 
 #define SPDLOG_VER_MAJOR 1
 #define SPDLOG_VER_MINOR 9
-#define SPDLOG_VER_PATCH 0
+#define SPDLOG_VER_PATCH 2
 
 #define SPDLOG_VERSION (SPDLOG_VER_MAJOR * 10000 + SPDLOG_VER_MINOR * 100 + SPDLOG_VER_PATCH)

tests/test_errors.cpp

@@ -29,7 +29,7 @@ TEST_CASE("default_error_handler", "[errors]]")
 
     auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("test-error", filename, true);
     logger->set_pattern("%v");
-    logger->info("Test message {} {}", 1);
+    logger->info(fmt::runtime("Test message {} {}"), 1);
     logger->info("Test message {}", 2);
     logger->flush();
 
@@ -49,7 +49,7 @@ TEST_CASE("custom_error_handler", "[errors]]")
     logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
     logger->info("Good message #1");
 
-    REQUIRE_THROWS_AS(logger->info("Bad format msg {} {}", "xxx"), custom_ex);
+    REQUIRE_THROWS_AS(logger->info(fmt::runtime("Bad format msg {} {}"), "xxx"), custom_ex);
     logger->info("Good message #2");
     require_message_count(SIMPLE_LOG, 2);
 }
@@ -88,7 +88,7 @@ TEST_CASE("async_error_handler", "[errors]]")
             ofs << err_msg;
         });
         logger->info("Good message #1");
-        logger->info("Bad format msg {} {}", "xxx");
+        logger->info(fmt::runtime("Bad format msg {} {}"), "xxx");
         logger->info("Good message #2");
         spdlog::drop("logger"); // force logger to drain the queue and shutdown
     }

tests/test_stdout_api.cpp

@@ -95,4 +95,4 @@ TEST_CASE("wchar_api", "[stdout]")
     spdlog::drop_all();
 }
 
-#endif
+#endif