path.hh

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#pragma once

#include <string>
#include <list>

#include <vcsn/misc/attributes.hh>
#include <vcsn/misc/export.hh>

namespace vcsn
{
  class LIBVCSN_API path
  {
  public:
    class LIBVCSN_API invalid_path : public std::exception
    {
    public:
      invalid_path(const std::string& msg);
      const char* what() const throw ();
      virtual ~invalid_path() throw ();
    private:
      std::string msg_;
    };

    using value_type = std::string;



    path(const std::string& p);

    path(const char* p);


    path& operator/=(const path& rhs);
    path operator/(const path& rhs) const;
    bool operator==(const path& rhs) const ATTRIBUTE_PURE;

    std::string basename() const;
    std::string extension() const;

    static path cwd();

    bool is_absolute() const;

    path parent_path() const;

    path filename() const;

    using path_type = std::list<std::string>;
    const std::string& string() const;
    const char* c_str() const;
    path_type components() const;
    std::ostream& dump(std::ostream& ostr) const;

    const value_type& value_get() const;
    value_type& value_get();

  private:
    value_type value_;

    static const char separator_ = '/';
  };

  LIBVCSN_API
  path absolute(const path& p);

  LIBVCSN_API
  bool exists(const path& p);


  std::ostream& operator<<(std::ostream& o, const path& p);
}

#include <vcsn/misc/path.hxx>