header class cleanup
* require commands are in the right place now. * Moved XtmFile-related classes to a separate namespace. * Distinction between summary & full header.
This commit is contained in:
Glenn Y. Rolland
parent
b925441852
commit
8d3a9242e3
3 changed files with 133 additions and 117 deletions
128
bin/xtminfo
128
bin/xtminfo
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@ -1,84 +1,82 @@
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#!/usr/bin/ruby
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#!/usr/bin/env ruby
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require 'optparse'
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require 'xtmfile/header'
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require 'rubygems'
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require 'bindata'
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module XtmFile
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class XtmInfo
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class XtmInfoArgumentError < ArgumentError ; end
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require 'xtmfile/xtmheader'
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attr_reader :opts
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class XtmInfo
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class XtmInfoArgumentError < ArgumentError ; end
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attr_reader :opts
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def initialize args
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@args = []
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@input_xtm = nil
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parse_command_line args
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end
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def parse_command_line args
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@args = args.clone
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@opts = OptionParser.new do |opts|
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opts.banner = "Usage: #{File.basename $0} [options]\n"
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opts.separator ""
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opts.separator "Mandatory options"
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opts.on("-i", "--input FILE", "Input XTM file") do |r|
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@input_xtm = r
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end
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opts.separator ""
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opts.separator "General options:"
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opts.on("-h", "--help", "Show this help") do |h|
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@help = h
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end
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opts.on("-v", "--verbose", "Show warnings too") do |v|
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@verbose = v
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end
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opts.separator ""
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def initialize args
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@args = []
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@input_xtm = nil
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parse_command_line args
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end
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end
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def validate!
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@opts.parse!
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def parse_command_line args
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@args = args.clone
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@opts = OptionParser.new do |opts|
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opts.banner = "Usage: #{File.basename $0} [options]\n"
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raise XtmInfoArgumentError, "No input XTM file specified!" if @input_xtm.nil?
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end
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opts.separator ""
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opts.separator "Mandatory options"
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opts.on("-i", "--input FILE", "Input XTM file") do |r|
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@input_xtm = r
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end
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def run
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validate!
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opts.separator ""
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opts.separator "General options:"
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File.open( @input_xtm, "rb" ) do |io|
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header = XtmHeader::read io
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puts header
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opts.on("-h", "--help", "Show this help") do |h|
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@help = h
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end
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opts.on("-v", "--verbose", "Show warnings too") do |v|
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@verbose = v
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end
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opts.separator ""
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end
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end
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end
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def self.main args
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xj = nil
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begin
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xj = XtmInfo.new args
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xj.run
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exit 0
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rescue XtmInfoArgumentError => e
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STDERR.puts "%s" % xj.opts
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STDERR.puts "error: %s" % e.message
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def validate!
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@opts.parse!
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exit 1
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rescue SystemExit => e
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raise e
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rescue Exception => e
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STDERR.puts "error: %s" % e.message
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exit 1
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raise XtmInfoArgumentError, "No input XTM file specified!" if @input_xtm.nil?
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end
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def run
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validate!
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File.open( @input_xtm, "rb" ) do |io|
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header = Header::read io
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puts header.to_summary_string
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end
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end
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def self.main args
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xj = nil
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begin
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xj = XtmInfo.new args
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xj.run
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exit 0
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rescue XtmInfoArgumentError => e
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STDERR.puts "%s" % xj.opts
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STDERR.puts "error: %s" % e.message
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exit 1
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rescue SystemExit => e
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raise e
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rescue Exception => e
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STDERR.puts "error: %s" % e.message
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STDERR.puts e.backtrace
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exit 1
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end
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end
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end
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end
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XtmInfo.main ARGV
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XtmFile::XtmInfo.main ARGV
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70
xtmfile/header.rb
Normal file
70
xtmfile/header.rb
Normal file
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@ -0,0 +1,70 @@
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require 'rubygems'
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gem 'bindata', '~> 1.2.1'
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require 'bindata'
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#
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# Offset | Information | Size (bytes)
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# --------------------------------------------
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# 0 | Software name length | 1
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# 1 | Software name | 20
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# 21 | Version length | 1
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# 22 | Version | 4
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# 26 | Not used | 10
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# 36 | Date | 4
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# 40 | Filename length | 1
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# 41 | Filename | 50
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# 91 | MD5 Enable | 1
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# 92 | File parts count | 4
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# 96 | Original file size | 8
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#
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class Header < BinData::Record
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endian :little
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uint8 :progname_len, :value => lambda { progname_str.length }
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string :progname_str, :length => 20
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uint8 :version_len, :value => lambda { version_str.length }
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string :version_str, :length => 4
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string :unused, :length => 10
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uint32le :date
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uint8 :filename_len
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string :filename_str, :read_length => :filename_len
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# fake padding
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string :filename_str_pad, :read_length => lambda { 50 - filename_len }
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uint8 :md5
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uint32 :filecount
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uint64 :filesize
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def to_full_string
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r = []
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r << "[%03d] Progname len : %s" % [self.progname_len.offset, self.progname_len]
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r << "[%03d] Progname str : %s" % [self.progname_str.offset, self.progname_str]
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r << "[%03d] Version len : %s" % [self.version_len.offset, self.version_len]
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r << "[%03d] Version str : %s" % [self.version_str.offset, self.version_str]
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r << "[%03d] Unused : %s" % [self.unused.offset, self.unused]
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r << "[%03d] Date : %s" % [self.date.offset, self.date]
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r << "[%03d] Filename len : %s" % [self.filename_len.offset, self.filename_len]
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r << "[%03d] Filename str : %s" % [self.filename_str.offset, self.filename_str]
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r << "[%03d] md5 : %s" % [self.md5.offset, self.md5]
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r << "[%03d] Filecount : %d" % [self.filecount.offset, self.filecount]
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r << "[%03d] Filesize : %s" % [self.filesize.offset, self.filesize]
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return r.join("\n")
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end
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def to_summary_string
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r = []
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r << " Software : %s (%s)" % [self.progname_str,self.version_str]
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r << " Date : %s" % self.date
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r << "Filename str : %s" % self.filename_str
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r << " md5 : %s" % ( self.md5 ? 'enabled' : 'disabled' )
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r << " Filecount : %d" % self.filecount
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r << " Filesize : %s" % self.filesize
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return r.join("\n")
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end
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end
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@ -1,52 +0,0 @@
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class XtmHeader < BinData::Record
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# Offset Information Taille (octets)
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# 0 Longueur du nom du programme 1
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# 1 *Nom du programme 20
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# 21 Longueur de la version 1
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# 22 Version 4
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# 26 Not used 10
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# 36 Date 4
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# 40 Longueur du nom du fichier original 1
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# 41 Nom du fichier original 50
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# 91 **Hash MD5 1
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# 92 Nombre de fichiers 4
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# 96 Taille du fichier original 8
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endian :little
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uint8 :progname_len, :value => lambda { progname_str.length }
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string :progname_str, :length => 20
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uint8 :version_len, :value => lambda { version_str.length }
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string :version_str, :length => 4
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string :unused, :length => 10
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uint32le :date
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uint8 :filename_len
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string :filename_str, :read_length => :filename_len
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string :filename_str_pad, :read_length => lambda { 50 - filename_len }
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uint8 :md5
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uint32 :filecount
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uint64 :filesize
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def to_s
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r = []
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r << ( "Progname len : %s [%s]" % [self.progname_len, self.progname_len.offset] )
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r << ( "Progname str : %s [%s]" % [self.progname_str, self.progname_str.offset] )
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r << ( " Version len : %s [%s]" % [self.version_len, self.version_len.offset] )
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r << ( " Version str : %s [%s]" % [self.version_str, self.version_str.offset] )
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r << ( " Unused : %s [%s]" % [self.unused, self.unused.offset] )
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r << ( " Date : %s [%s]" % [self.date, self.date.offset] )
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r << ( "Filename len : %s [%s]" % [self.filename_len, self.filename_len.offset] )
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r << ( "Filename str : %s [%s]" % [self.filename_str, self.filename_str.offset] )
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r << ( " md5 : %s [%s]" % [self.md5, self.md5.offset] )
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r << ( " Filecount : %d [%s]" % [self.filecount, self.filecount.offset] )
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r << ( " Filesize : %s [%s]" % [self.filesize, self.filesize.offset] )
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return r.join("\n")
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end
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end
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