glenux/xtm-utils
glenux/xtm-utils
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Merge branch 'master' of github.com:glenux/xtm-utils

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This commit is contained in:
Glenn Y. Rolland 2010-11-16 09:58:28 +01:00
commit 31da8a7201
6 changed files with 286 additions and 183 deletions
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18
bin/xtminfo
View file

@ -1,13 +1,9 @@
#!/usr/bin/ruby
#!/usr/bin/env ruby
require 'optparse'
require 'xtmfile/header'
require 'rubygems'
require 'bindata'
require 'xtmfile/xtmheader'
module XtmFile
class XtmInfo
class XtmInfoArgumentError < ArgumentError ; end
@ -56,8 +52,8 @@ class XtmInfo
validate!
File.open( @input_xtm, "rb" ) do |io|
header = XtmHeader::read io
puts header
header = Header::read io
puts header.to_summary_string
end
end
@ -76,9 +72,11 @@ class XtmInfo
raise e
rescue Exception => e
STDERR.puts "error: %s" % e.message
STDERR.puts e.backtrace
exit 1
end
end
end
end
XtmInfo.main ARGV
XtmFile::XtmInfo.main ARGV

88
bin/xtmjoin
View file

@ -5,15 +5,15 @@ require 'optparse'
require 'rubygems'
require 'bindata'
require 'xtmfile/xtmheader'
require 'xtmfile/header'
require 'xtmfile/joiner'
require 'xtmfile/splitter'
class XtmJoin
class XtmJoinArgumentError < ArgumentError ; end
attr_reader :opts
BUFFER_MAX_SIZE = 4096 * 4096
def initialize args
@args = []
@ -27,18 +27,24 @@ class XtmJoin
opts.banner = "Usage: #{File.basename $0} [options]\n"
opts.separator ""
opts.separator "Mandatory options"
opts.separator "Options"
opts.on("-i", "--input FILE", "Input XTM file") do |r|
opts.on("-i", "--input FILE", "Input XTM file (mandatory)") do |r|
@input_filename = r
end
opts.separator ""
opts.separator "General options:"
opts.on("-o", "--output FILE", "Output file (optional)") do |o|
@output_filename = o
end
opts.on("-m", "--md5", "Verify MD5 sums") do |m|
@verify_md5 = m
end
opts.on("-h", "--help", "Show this help") do |h|
@help = h
end
opts.on("-v", "--verbose", "Show warnings too") do |v|
@verbose = v
end
@ -56,73 +62,25 @@ class XtmJoin
@input_filename = File.expand_path @input_filename
end
def run
validate!
output_file = nil
# initial file
in_xtm = File.open @input_filename, "rb"
header = XtmHeader::read in_xtm
output_file = header.filename_str
puts "Writing data to %s" % output_file
# FIXME: prevent overwriting
out_xtm = File.open output_file, "wb"
cur_xtm = @input_filename
is_first = true
cur_size = header.filesize
print "\x1b[s"
while cur_size > 0 do
unless is_first then
cur_xtm = _nextfile cur_xtm
puts "Opening %s" % cur_xtm
in_xtm = File.open cur_xtm, "rb"
end
while cur_size > 0 and (not in_xtm.eof?) do
pcent = ((header.filesize - cur_size) * 100 / header.filesize)
xtmj = XtmFile::Joiner.new @input_filename, @output_filename
puts "Writing data to %s" % xtmj.output_filename
STDOUT.print "\x1b[uProgress : %s %" % pcent
xtmj.start do |event, info|
case event
when XtmFile::Joiner::EVENT_OPENFILE then
puts "Opening %s" % info
when XtmFile::Joiner::EVENT_PROGRESS then
print "\x1b[uProgress : %s %" % info
STDOUT.flush
end
end
read_size = if cur_size > BUFFER_MAX_SIZE then BUFFER_MAX_SIZE
else cur_size
end
buffer = in_xtm.read read_size
cur_size = cur_size - buffer.length
out_xtm.write buffer.slice(0, buffer.length)
end
is_first = false
in_xtm.close
end
out_xtm.close
STDOUT.puts ""
# remaining files
end
def _nextfile curfile
result = nil
cur_idx = 0
cur_len = 0
case curfile
when /\.([0-9]+)\.xtm$/ then
cur_idx = $1.to_i
cur_len = $1.length
next_idx = cur_idx + 1
result = curfile.gsub(/\.([0-9]+)\.xtm$/, ".%0#{cur_len}d.xtm" % next_idx)
when /\.xtm\.([0-9]+)$/ then
cur_idx = $1.to_i
cur_len = $1.length
next_idx = cur_idx + 1
result = curfile.gsub(/\.xtm\.([0-9]+)$/, ".xtm.%0#{cur_len}d" % next_idx)
else
raise "Unable to detect a naming patterng for file sequence!"
end
return result
end
def self.main args

91
xtmfile/header.rb Normal file
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@ -0,0 +1,91 @@
require 'rubygems'
gem 'bindata', '~> 1.2.1'
require 'bindata'
module XtmFile
#
# Offset | Information | Size (bytes)
# --------------------------------------------
# 0 | Software name length | 1
# 1 | Software name | 20
# 21 | Version length | 1
# 22 | Version | 4
# 26 | Not used | 10
# 36 | Date | 4
# 40 | Filename length | 1
# 41 | Filename | 50
# 91 | MD5 Enable | 1
# 92 | File parts count | 4
# 96 | Original file size | 8
#
class Header < BinData::Record
endian :little
uint8 :progname_len, :value => lambda { progname_str.length }
string :progname_str, :length => 20
uint8 :version_len, :value => lambda { version_str.length }
string :version_str, :length => 4
string :unused, :length => 10
uint32le :date
uint8 :filename_len
string :filename_str, :read_length => :filename_len
# fake padding
string :filename_str_pad, :read_length => lambda { 50 - filename_len }
uint8 :md5
uint32 :filecount
uint64 :filesize
def to_full_string
r = []
r << "[%03d] Progname len : %s" % [self.progname_len.offset, self.progname_len]
r << "[%03d] Progname str : %s" % [self.progname_str.offset, self.progname_str]
r << "[%03d] Version len : %s" % [self.version_len.offset, self.version_len]
r << "[%03d] Version str : %s" % [self.version_str.offset, self.version_str]
r << "[%03d] Unused : %s" % [self.unused.offset, self.unused]
r << "[%03d] Date : %s" % [self.date.offset, self.date]
r << "[%03d] Filename len : %s" % [self.filename_len.offset, self.filename_len]
r << "[%03d] Filename str : %s" % [self.filename_str.offset, self.filename_str]
r << "[%03d] md5 : %s" % [self.md5.offset, self.md5]
r << "[%03d] Filecount : %d" % [self.filecount.offset, self.filecount]
r << "[%03d] Filesize : %s" % [self.filesize.offset, self.filesize]
return r.join("\n")
end
def to_summary_string
r = []
r << " Software : %s (%s)" % [self.progname_str,self.version_str]
r << " Date : %s" % self.date
r << "Filename str : %s" % self.filename_str
r << " md5 : %s" % ( self.md5 ? 'enabled' : 'disabled' )
r << " Filecount : %d" % self.filecount
r << " Filesize : %s" % _readable_file_size( self.filesize, 2 )
return r.join("\n")
end
private
GIGA_SIZE = 1073741824.0
MEGA_SIZE = 1048576.0
KILO_SIZE = 1024.0
def _readable_file_size size, precision
case
when size == 1 : "1 Byte"
when size < KILO_SIZE : "%d Bytes" % size
when size < MEGA_SIZE : "%.#{precision}f KB" % (size / KILO_SIZE)
when size < GIGA_SIZE : "%.#{precision}f MB" % (size / MEGA_SIZE)
else "%.#{precision}f GB" % (size / GIGA_SIZE)
end
end
end
end

89
xtmfile/joiner.rb Normal file
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@ -0,0 +1,89 @@
require 'xtmfile/header'
module XtmFile
class Joiner
attr_reader :header, :input_filename, :output_filename
# yield this event + filename when opening a new file
EVENT_OPENFILE = :file
# yield this event + percent on joining progress
EVENT_PROGRESS = :progress
BUFFER_MAX_SIZE = 4096 * 4096
def initialize input, output=nil
@input_filename = input
@output_filename = output
File.open @input_filename, "rb" do |in_xtm|
@header = Header::read in_xtm
end
if @output_filename.nil? then
@output_filename = @header.filename_str
end
end
def start &blk
in_xtm = File.open @input_filename, "rb"
in_xtm.seek @header.num_bytes, IO::SEEK_SET
yield EVENT_OPENFILE, @input_filename if block_given?
out_xtm = File.open @output_filename, "wb"
cur_xtm = @input_filename
is_first = true
cur_size = @header.filesize
print "\x1b[s"
while cur_size > 0 do
unless is_first then
cur_xtm = _nextfile cur_xtm
yield EVENT_OPENFILE, cur_xtm if block_given?
in_xtm = File.open cur_xtm, "rb"
end
while cur_size > 0 and (not in_xtm.eof?) do
pcent = (( @header.filesize - cur_size) * 100 / @header.filesize)
yield EVENT_PROGRESS, pcent if block_given?
read_size = if cur_size > BUFFER_MAX_SIZE then BUFFER_MAX_SIZE
else cur_size
end
buffer = in_xtm.read read_size
cur_size = cur_size - buffer.length
out_xtm.write buffer.slice(0, buffer.length)
end
is_first = false
in_xtm.close
end
out_xtm.close
# remaining files
end
def _nextfile curfile
result = nil
cur_idx = 0
cur_len = 0
case curfile
when /\.([0-9]+)\.xtm$/ then
cur_idx = $1.to_i
cur_len = $1.length
next_idx = cur_idx + 1
result = curfile.gsub(/\.([0-9]+)\.xtm$/, ".%0#{cur_len}d.xtm" % next_idx)
when /\.xtm\.([0-9]+)$/ then
cur_idx = $1.to_i
cur_len = $1.length
next_idx = cur_idx + 1
result = curfile.gsub(/\.xtm\.([0-9]+)$/, ".xtm.%0#{cur_len}d" % next_idx)
else
raise "Unable to detect a naming patterng for file sequence!"
end
return result
end
end
end

19
xtmfile/splitter.rb Normal file
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@ -0,0 +1,19 @@
module XtmFile
class Splitter
attr_reader :parts, :parts_size
def initialize input_filename
@input_filename = input_filename
@parts = 0
@parts_size = 0
end
def parts= count
end
def parts_size= size
end
def start
end
end
end

52
xtmfile/xtmheader.rb
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@ -1,52 +0,0 @@
class XtmHeader < BinData::Record
# Offset Information Taille (octets)
# 0 Longueur du nom du programme 1
# 1 *Nom du programme 20
# 21 Longueur de la version 1
# 22 Version 4
# 26 Not used 10
# 36 Date 4
# 40 Longueur du nom du fichier original 1
# 41 Nom du fichier original 50
# 91 **Hash MD5 1
# 92 Nombre de fichiers 4
# 96 Taille du fichier original 8
endian :little
uint8 :progname_len, :value => lambda { progname_str.length }
string :progname_str, :length => 20
uint8 :version_len, :value => lambda { version_str.length }
string :version_str, :length => 4
string :unused, :length => 10
uint32le :date
uint8 :filename_len
string :filename_str, :read_length => :filename_len
string :filename_str_pad, :read_length => lambda { 50 - filename_len }
uint8 :md5
uint32 :filecount
uint64 :filesize
def to_s
r = []
r << ( "Progname len : %s [%s]" % [self.progname_len, self.progname_len.offset] )
r << ( "Progname str : %s [%s]" % [self.progname_str, self.progname_str.offset] )
r << ( " Version len : %s [%s]" % [self.version_len, self.version_len.offset] )
r << ( " Version str : %s [%s]" % [self.version_str, self.version_str.offset] )
r << ( " Unused : %s [%s]" % [self.unused, self.unused.offset] )
r << ( " Date : %s [%s]" % [self.date, self.date.offset] )
r << ( "Filename len : %s [%s]" % [self.filename_len, self.filename_len.offset] )
r << ( "Filename str : %s [%s]" % [self.filename_str, self.filename_str.offset] )
r << ( " md5 : %s [%s]" % [self.md5, self.md5.offset] )
r << ( " Filecount : %d [%s]" % [self.filecount, self.filecount.offset] )
r << ( " Filesize : %s [%s]" % [self.filesize, self.filesize.offset] )
return r.join("\n")
end
end