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