Extracted text_multifile_backend implementation to a separate file.

src/text_multifile_backend.cpp

@@ -0,0 +1,91 @@
+/*
+ *          Copyright Andrey Semashev 2007 - 2014.
+ * Distributed under the Boost Software License, Version 1.0.
+ *    (See accompanying file LICENSE_1_0.txt or copy at
+ *          http://www.boost.org/LICENSE_1_0.txt)
+ */
+/*!
+ * \file   text_multifile_backend.cpp
+ * \author Andrey Semashev
+ * \date   09.06.2009
+ *
+ * \brief  This header is the Boost.Log library implementation, see the library documentation
+ *         at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
+ */
+
+#include <ios>
+#include <boost/filesystem/path.hpp>
+#include <boost/filesystem/fstream.hpp>
+#include <boost/filesystem/operations.hpp>
+#include <boost/log/sinks/text_multifile_backend.hpp>
+#include <boost/log/detail/header.hpp>
+
+namespace boost {
+
+BOOST_LOG_OPEN_NAMESPACE
+
+namespace sinks {
+
+//! Sink implementation data
+struct text_multifile_backend::implementation
+{
+    //! File name composer
+    file_name_composer_type m_FileNameComposer;
+    //! Base path for absolute path composition
+    const filesystem::path m_BasePath;
+    //! File stream
+    filesystem::ofstream m_File;
+
+    implementation() :
+        m_BasePath(filesystem::current_path())
+    {
+    }
+
+    //! Makes relative path absolute with respect to the base path
+    filesystem::path make_absolute(filesystem::path const& p)
+    {
+        return filesystem::absolute(p, m_BasePath);
+    }
+};
+
+//! Default constructor
+BOOST_LOG_API text_multifile_backend::text_multifile_backend() : m_pImpl(new implementation())
+{
+}
+
+//! Destructor
+BOOST_LOG_API text_multifile_backend::~text_multifile_backend()
+{
+    delete m_pImpl;
+}
+
+//! The method sets the file name composer
+BOOST_LOG_API void text_multifile_backend::set_file_name_composer_internal(file_name_composer_type const& composer)
+{
+    m_pImpl->m_FileNameComposer = composer;
+}
+
+//! The method writes the message to the sink
+BOOST_LOG_API void text_multifile_backend::consume(record_view const& rec, string_type const& formatted_message)
+{
+    if (!m_pImpl->m_FileNameComposer.empty())
+    {
+        filesystem::path file_name = m_pImpl->make_absolute(m_pImpl->m_FileNameComposer(rec));
+        filesystem::create_directories(file_name.parent_path());
+        m_pImpl->m_File.open(file_name, std::ios_base::out | std::ios_base::app);
+        if (m_pImpl->m_File.is_open())
+        {
+            m_pImpl->m_File.write(formatted_message.data(), static_cast< std::streamsize >(formatted_message.size()));
+            m_pImpl->m_File.put(static_cast< string_type::value_type >('\n'));
+            m_pImpl->m_File.close();
+        }
+    }
+}
+
+} // namespace sinks
+
+BOOST_LOG_CLOSE_NAMESPACE // namespace log
+
+} // namespace boost
+
+#include <boost/log/detail/footer.hpp>