#

# PhysicsFS - ruby interface

#

# Author: Ed Sinjiashvili (slimb@vlinkmail.com)

# License: LGPL

#

require 'physfs_so'

module PhysicsFS

  class Version

    def initialize major, minor, patch

      @major = major

      @minor = minor

      @patch = patch

    end

    attr_reader :major, :minor, :patch

    def to_s

      "#@major.#@minor.#@patch"

    end

  end

  class ArchiveInfo

    def initialize ext, desc, author, url

      @extension = ext

      @description = desc

      @author = author

      @url = url

    end

    attr_reader :extension, :description

    attr_reader :author, :url

    def to_s

      " * #@extension: #@description\n    Written by #@author.\n    #@url\n"

    end

  end

  #

  # convenience methods

  #

  class << self  

    def init argv0 = $0

      init_internal argv0

    end

    def append_search_path str

      add_to_search_path str, 1

      self

    end

    def prepend_search_path str

      add_to_search_path str, 0

      self

    end

    alias_method :<<,      :append_search_path

    alias_method :push,    :append_search_path

    alias_method :unshift, :prepend_search_path

    def ls path = ""

      enumerate path

    end

  end

  #

  # File - PhysicsFS abstract file - can be drawn from various sources

  # 

  class File

    def write_str str

      write str, 1, str.length

    end

    def cat

      prev_pos = tell

      seek 0

      r = read length, 1

      seek prev_pos

      r

    end

    alias_method :size, :length

  end

  #

  # RWops - general stdio like operations on file-like creatures

  #

  class RWops

    SEEK_SET = 0

    SEEK_CUR = 1

    SEEK_END = 2

    # tell current position of RWopted entity

    def tell

      seek 0, SEEK_CUR

    end

    # length of RWops abstracted entity

    def length

      cur = tell

      r = seek 0, SEEK_END

      seek cur, SEEK_SET

      r

    end

    alias_method :size, :length

    #

    # create rwops from PhysicsFS file object

    # 

    def self.from_physfs file

      file.to_rwops

    end

  end

end

# physfs.rb ends here #