Class: AppleText

Inherits:
NativeFileType show all
Includes:
ScreenDump
Defined in:
lib/native_file_types/apple2/AppleText.rb

Instance Attribute Summary

Attributes inherited from NativeFileType

#aux_code, #contents, #file_system_image, #file_type, #filename, #meta_data

Class Method Summary collapse

Instance Method Summary collapse

Methods included from ScreenDump

#to_screendump

Methods inherited from NativeFileType

#<=>, #==, all_native_file_types, best_fit, code_for_tests, compatability_score, #data_without_header, file_type_matches?, #full_filename, #header_length, #initialize, is_valid_file_if, #load_address, load_address, matching_score, native_file_types_possible_on_file_system, non_matching_score, #to_hex_dump, #to_info_dump, #type_description

Methods included from SubclassTracking

extended

Constructor Details

This class inherits a constructor from NativeFileType

Class Method Details

.file_system_file_types ⇒ Object 



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# File 'lib/native_file_types/apple2/AppleText.rb', line 9

def self.file_system_file_types
  {
    AppleDos=>0x00,
    ProDos=>0x04
  }
end

Instance Method Details

#text_for_screendump ⇒ Object 



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# File 'lib/native_file_types/apple2/AppleText.rb', line 23

def text_for_screendump
  if (file_system_image.file_system.to_s==:ProDos.to_s) then
    s=""
    contents.each_byte{|b| s+=  ((b+128)%256).chr}
    return s
  end
  data_without_header.sub(/\000*$/,'') #trim of any trailing null bytes
end

#to_text ⇒ Object 



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# File 'lib/native_file_types/apple2/AppleText.rb', line 17

def to_text
  s=""
  contents.each_byte{|b| s+=Apple2.to_ascii(b) unless b==0}
  s.tr("\r","\n")
end