#pragma region CPL License
/*
Nuclex Native Framework
Copyright (C) 2002-2013 Nuclex Development Labs

This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.

You should have received a copy of the IBM Common Public
License along with this library
*/
#pragma endregion // CPL License

// If the library is compiled as a DLL, this ensures symbols are exported
#define NUCLEX_STORAGE_SOURCE 1

#include "LinuxPathFormat.h"

#if defined(NUCLEX_STORAGE_LINUX)

#include "LinuxFileApi.h"
#include <stdexcept>

namespace Nuclex { namespace Storage { namespace FileSystem {

  // ------------------------------------------------------------------------------------------- //

  const char LinuxPathFormat::PathSeparator = '/';

  // ------------------------------------------------------------------------------------------- //

  const bool LinuxPathFormat::HasCurrentWorkingDirectory = true;

  // ------------------------------------------------------------------------------------------- //

  std::string LinuxPathFormat::GetCurrentWorkingDirectory() {
    return LinuxFileApi::GetCurrentWorkingDirectory();
  }

  // ------------------------------------------------------------------------------------------- //

  std::size_t LinuxPathFormat::GetAbsolutePathPrefixLength(const std::string &path) {
    std::size_t length = path.length();

    if(length > 0) {
      if(path[0] == PathSeparator) {
        return 1;
      }

      if(length > 1) {
        bool usesHomeDirectory = (path[0] == '~') && (path[1] == PathSeparator);
        if(usesHomeDirectory) {
          return 2;
        }
      }
    }

    return 0;
  }

  // ------------------------------------------------------------------------------------------- //

}}} // namespace Nuclex::Storage::FileSystem

#endif // defined(NUCLEX_STORAGE_LINUX)