Class: FtpD8a

Inherits:
D8a
  • Object
show all
Defined in:
lib/d8a/ftpd8a.rb

Overview

D8a based on an ftp site.

Instance Attribute Summary collapse

Attributes inherited from D8a

#attrs, #d8aname, #id_attrs

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from D8a

#[], #[]=, #copy, #diff, #diff_d8m, #diffreport, #name, #sync

Constructor Details

#initialize(name, ftp = nil, &block) ⇒ FtpD8a

initializer



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# File 'lib/d8a/ftpd8a.rb', line 23

def initialize(name, ftp = nil, &block)
  super(name)

  @ftp_gen = block

  @ftp = ftp
  ensure_ftp

  @attrs.push(:size, :ftpmtime, :mode)
  @id_attrs.push(:size, :ftpmtime)
 

  @ls_parser = Proc.new { |line,state|
    case line
    when /^$/
      nil

    when /^([-d])([-r][-w][-x][-r][-w][-x][-r][-w][-x])\s+\d+\s+\d+\s+\d+\s+(\d+)\s+(.{12})\s+(.*)$/
      next nil if $1 == 'd'

      name = state[0] + $5
      size = $3.to_i
      mode = eval("0b#{$2.tr('-rwx', '01')}")
      ftpmtime =
        case $4
        when /^((Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s+\d{1,2}\s+\d{4})$/
          Date.strptime($2, '%b %e %Y')

        when /^(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s+(\d{1,2})\s+(\d{1,2}:\d{2})$/
          # TODO - this seems kind of clunky...
          now = DateTime.now
          Date.strptime("#{$1} #{$2} #{now.year}", '%b %e %Y') > now ?
          Date.strptime("#{$1} #{$2} #{now.year-1} #{$3}", '%b %e %Y %R') :
            Date.strptime("#{$1} #{$2} #{now.year} #{$3}", '%b %e %Y %R')
        end

      name.sub!(%r{^./}, '')

      { :name => name, :size => size, :mode => mode, :ftpmtime => ftpmtime }

    when /^(.*):$/
      state[0] = $1 + "/"
    end
  }
end

Instance Attribute Details

#ls_parser ⇒ Object (readonly)

Proc(line, state_array) -> {} to process ls -R lines from server



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# File 'lib/d8a/ftpd8a.rb', line 8

def ls_parser
  @ls_parser
end

Class Method Details

.open(host, dir = nil, user = nil, passwd = nil, &block) ⇒ Object

set up a new Net::FTP connection



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# File 'lib/d8a/ftpd8a.rb', line 12

def FtpD8a.open(host, dir = nil, user = nil, passwd = nil, &block)
  FtpD8a.new("ftp://#{user || ''}#{user ? '@' : ''}#{host}/#{dir || ''}") do |ftp|
    ftp.close unless !ftp || ftp.closed?
    ftp = Net::FTP.new(host, user, passwd)
    ftp.chdir(dir) if dir
    ftp
  end
end

Instance Method Details

#delete(d8m) ⇒ Object 



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# File 'lib/d8a/ftpd8a.rb', line 124

def delete(d8m)
end

#each ⇒ Object 



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# File 'lib/d8a/ftpd8a.rb', line 103

def each
  ensure_ftp
  dir = [""]
  @ftpcache = {}
  @ftp.list("-R") do |line|
    if (x = @ls_parser.call(line, dir)).is_a?(Hash)
      @ftpcache[x[:name]] = x
      yield x[:name]
    end
  end
end

#flush ⇒ Object 



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# File 'lib/d8a/ftpd8a.rb', line 128

def flush
  #@ftp.close unless !@ftp || @ftp.closed?
  #@ftp = nil
end

#ftpmtime(d8m, d8mattrs = nil) ⇒ Object

ftpmtime attr



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# File 'lib/d8a/ftpd8a.rb', line 92

def ftpmtime(d8m, d8mattrs = nil)
  @ftpcache[d8m] && @ftpcache[d8m][:ftpmtime]
end

#mode(d8m, d8mattrs = nil) ⇒ Object

mode attr



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# File 'lib/d8a/ftpd8a.rb', line 98

def mode(d8m, d8mattrs = nil)
  @ftpcache[d8m] && @ftpcache[d8m][:mode]
end

#read(d8m) ⇒ Object 



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# File 'lib/d8a/ftpd8a.rb', line 116

def read(d8m)
end

#size(d8m, d8mattrs = nil) ⇒ Object

size attr



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# File 'lib/d8a/ftpd8a.rb', line 86

def size(d8m, d8mattrs = nil)
  @ftpcache[d8m] && @ftpcache[d8m][:size]
end

#write(d8m) ⇒ Object 



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# File 'lib/d8a/ftpd8a.rb', line 120

def write(d8m)
end