add front demo in this project

LFtid1056/cloudfront/code/log4cplus/internal/env.h

@@ -0,0 +1,102 @@
+// -*- C++ -*-
+// Module:  Log4CPLUS
+// File:    env.h
+// Created: 7/2010
+// Author:  Vaclav Haisman
+//
+//
+//  Copyright (C) 2010-2017, Vaclav Haisman. All rights reserved.
+//
+//  Redistribution and use in source and binary forms, with or without modifica-
+//  tion, are permitted provided that the following conditions are met:
+//
+//  1. Redistributions of  source code must  retain the above copyright  notice,
+//     this list of conditions and the following disclaimer.
+//
+//  2. Redistributions in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+//  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
+//  APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
+//  INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
+//  DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
+//  OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
+//  ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
+//  (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
+//  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef LOG4CPLUS_INTERNAL_ENV_H
+#define LOG4CPLUS_INTERNAL_ENV_H
+
+#include <log4cplus/config.hxx>
+
+#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
+#pragma once
+#endif
+
+#include <vector>
+#include <log4cplus/tstring.h>
+#include <locale>
+
+#if defined (_WIN32)
+#include <log4cplus/config/windowsh-inc.h>
+#endif
+#ifdef LOG4CPLUS_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef LOG4CPLUS_HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+
+namespace log4cplus { namespace internal {
+
+
+//! Get environment variable value.
+bool get_env_var (tstring & value, tstring const & name);
+
+//! Get locale.
+std::locale get_locale_by_name(tstring const& locale_name);
+
+//! Parse a string as a boolean value.
+bool parse_bool (bool & val, tstring const & str);
+
+//! Parse a path into path components.
+bool split_path (std::vector<tstring> & components, std::size_t & special,
+    tstring const & path);
+
+//! Makes directories leading to file.
+void make_dirs (tstring const & file_path);
+
+inline
+#if defined (_WIN32)
+DWORD
+get_process_id ()
+{
+    return GetCurrentProcessId ();
+}
+
+#elif defined (LOG4CPLUS_HAVE_GETPID)
+pid_t
+get_process_id ()
+{
+    return getpid ();
+}
+
+#else
+int
+get_process_id ()
+{
+    return 0; 
+}
+
+#endif
+
+
+} } // namespace log4cplus { namespace internal {
+
+
+#endif // LOG4CPLUS_INTERNAL_ENV_H