file_helper.cpp and filename_t fix

include/spdlog/common.h

@@ -69,6 +69,15 @@
 #define SPDLOG_FUNCTION __FUNCTION__
 #endif
 
+
+namespace spdlog {
+
+class formatter;
+
+namespace sinks {
+class sink;
+}
+
 #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
 using filename_t = std::wstring;
 #define SPDLOG_FILENAME_T(s) L##s
@@ -82,14 +91,6 @@ using filename_t = std::string;
 #define SPDLOG_FILENAME_T(s) s
 #endif
 
-namespace spdlog {
-
-class formatter;
-
-namespace sinks {
-class sink;
-}
-
 using log_clock = std::chrono::system_clock;
 using sink_ptr = std::shared_ptr<sinks::sink>;
 using sinks_init_list = std::initializer_list<sink_ptr>;

include/spdlog/details/file_helper.h

@@ -5,110 +5,36 @@
 
 #pragma once
 
-// Helper class for file sinks.
-// When failing to open a file, retry several times(5) with a delay interval(10 ms).
-// Throw spdlog_ex exception on errors.
-
-#include "spdlog/details/log_msg.h"
-#include "spdlog/details/os.h"
-
-#include <cerrno>
-#include <chrono>
-#include <cstdio>
-#include <string>
-#include <thread>
+#include "spdlog/common.h"
 #include <tuple>
 
 namespace spdlog {
 namespace details {
 
+// Helper class for file sinks.
+// When failing to open a file, retry several times(5) with a delay interval(10 ms).
+// Throw spdlog_ex exception on errors.
+
 class file_helper
 {
-
 public:
     const int open_tries = 5;
     const int open_interval = 10;
-
     explicit file_helper() = default;
 
     file_helper(const file_helper &) = delete;
     file_helper &operator=(const file_helper &) = delete;
+    ~file_helper();    
 
-    ~file_helper()
-    {
-        close();
-    }
-
-    void open(const filename_t &fname, bool truncate = false)
-    {
-        close();
-        auto *mode = truncate ? SPDLOG_FILENAME_T("wb") : SPDLOG_FILENAME_T("ab");
-        _filename = fname;
-        for (int tries = 0; tries < open_tries; ++tries)
-        {
-            if (!os::fopen_s(&fd_, fname, mode))
-            {
-                return;
-            }
-
-            details::os::sleep_for_millis(open_interval);
-        }
-
-        throw spdlog_ex("Failed opening file " + os::filename_to_str(_filename) + " for writing", errno);
-    }
-
-    void reopen(bool truncate)
-    {
-        if (_filename.empty())
-        {
-            throw spdlog_ex("Failed re opening file - was not opened before");
-        }
-        open(_filename, truncate);
-    }
-
-    void flush()
-    {
-        std::fflush(fd_);
-    }
-
-    void close()
-    {
-        if (fd_ != nullptr)
-        {
-            std::fclose(fd_);
-            fd_ = nullptr;
-        }
-    }
-
-    void write(const fmt::memory_buffer &buf)
-    {
-        size_t msg_size = buf.size();
-        auto data = buf.data();
-        if (std::fwrite(data, 1, msg_size, fd_) != msg_size)
-        {
-            throw spdlog_ex("Failed writing to file " + os::filename_to_str(_filename), errno);
-        }
-    }
-
-    size_t size() const
-    {
-        if (fd_ == nullptr)
-        {
-            throw spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(_filename));
-        }
-        return os::filesize(fd_);
-    }
-
-    const filename_t &filename() const
-    {
-        return _filename;
-    }
-
-    static bool file_exists(const filename_t &fname)
-    {
-        return os::file_exists(fname);
-    }
-
+    void open(const filename_t &fname, bool truncate = false);    
+    void reopen(bool truncate);    
+    void flush();    
+    void close();    
+    void write(const fmt::memory_buffer &buf);
+    size_t size() const;    
+    const filename_t &filename() const;
+    static bool file_exists(const filename_t &fname);
+    
     //
     // return file path and its extension:
     //
@@ -122,27 +48,7 @@ public:
     // ".mylog" => (".mylog". "")
     // "my_folder/.mylog" => ("my_folder/.mylog", "")
     // "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
-    static std::tuple<filename_t, filename_t> split_by_extension(const spdlog::filename_t &fname)
-    {
-        auto ext_index = fname.rfind('.');
-
-        // no valid extension found - return whole path and empty string as
-        // extension
-        if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1)
-        {
-            return std::make_tuple(fname, spdlog::filename_t());
-        }
-
-        // treat casese like "/etc/rc.d/somelogfile or "/abc/.hiddenfile"
-        auto folder_index = fname.rfind(details::os::folder_sep);
-        if (folder_index != filename_t::npos && folder_index >= ext_index - 1)
-        {
-            return std::make_tuple(fname, spdlog::filename_t());
-        }
-
-        // finally - return a valid base and extension tuple
-        return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index));
-    }
+    static std::tuple<filename_t, filename_t> split_by_extension(const filename_t &fname);
 
 private:
     std::FILE *fd_{nullptr};
@@ -150,3 +56,7 @@ private:
 };
 } // namespace details
 } // namespace spdlog
+
+#ifdef  SPDLOG_HEADER_ONLY
+#include "../../../src/file_helper.cpp"
+#endif // ! SPDLOG_HEADER_ONLY