Parent

Archive::Tar::Minitar::Reader::EntryStream

EntryStreams are pseudo-streams on top of the main data stream.

Public Class Methods

new(header, anIO) click to toggle source
# File lib/archive/tar/minitar.rb, line 464
def initialize(header, anIO)
  @io       = anIO
  @name     = header.name
  @mode     = header.mode
  @uid      = header.uid
  @gid      = header.gid
  @size     = header.size
  @mtime    = header.mtime
  @checksum = header.checksum
  @typeflag = header.typeflag
  @linkname = header.linkname
  @magic    = header.magic
  @version  = header.version
  @uname    = header.uname
  @gname    = header.gname
  @devmajor = header.devmajor
  @devminor = header.devminor
  @prefix   = header.prefix
  @read     = 0
  @orig_pos = @io.pos
end

Public Instance Methods

bytes_read() click to toggle source
# File lib/archive/tar/minitar.rb, line 536
def bytes_read
  @read
end
close() click to toggle source

Closes the entry.

# File lib/archive/tar/minitar.rb, line 550
def close
  invalidate
end
directory() click to toggle source
Alias for: directory?
directory?() click to toggle source

Returns true if the entry represents a directory.

# File lib/archive/tar/minitar.rb, line 507
def directory?
  @typeflag == "5"
end
Also aliased as: directory
eof?() click to toggle source

Returns true if the current read pointer is at the end of the EntryStream data.

# File lib/archive/tar/minitar.rb, line 520
def eof?
  @read >= @size
end
file() click to toggle source
Alias for: file?
file?() click to toggle source

Returns true if the entry represents a plain file.

# File lib/archive/tar/minitar.rb, line 513
def file?
  @typeflag == "0"
end
Also aliased as: file
full_name() click to toggle source

Returns the full and proper name of the entry.

# File lib/archive/tar/minitar.rb, line 541
def full_name
  if @prefix != ""
    File.join(@prefix, @name)
  else
    @name
  end
end
getc() click to toggle source

Reads one byte from the entry. Returns nil if there is no more data to read.

# File lib/archive/tar/minitar.rb, line 499
def getc
  return nil if @read >= @size
  ret = @io.getc
  @read += 1 if ret
  ret
end
pos() click to toggle source

Returns the current read pointer in the EntryStream.

# File lib/archive/tar/minitar.rb, line 525
def pos
  @read
end
read(len = nil) click to toggle source

Reads len bytes (or all remaining data) from the entry. Returns nil if there is no more data to read.

# File lib/archive/tar/minitar.rb, line 488
def read(len = nil)
  return nil if @read >= @size
  len ||= @size - @read
  max_read = [len, @size - @read].min
  ret = @io.read(max_read)
  @read += ret.size
  ret
end
rewind() click to toggle source

Sets the current read pointer to the beginning of the EntryStream.

# File lib/archive/tar/minitar.rb, line 530
def rewind
  raise NonSeekableStream unless @io.respond_to?(:pos=)
  @io.pos = @orig_pos
  @read = 0
end

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