Sha256: 33b05646156f9955445ed2325550f200d9cff78de617976a6cf52931b386d6f5
Contents?: true
Size: 1.75 KB
Versions: 23
Compression:
Stored size: 1.75 KB
Contents
##
# $Id: archive.rb 12718 2011-05-25 16:45:20Z egypt $
##
module Rex
module Zip
#
# This represents an entire archive.
#
class Archive
# An array of the Entry objects stored in this Archive.
attr_reader :entries
def initialize(compmeth=CM_DEFLATE)
@compmeth = compmeth
@entries = []
end
#
# Create a new Entry and add it to the archive.
#
def add_file(fname, fdata=nil, xtra=nil, comment=nil)
if (not fdata)
begin
st = File.stat(fname)
rescue
return nil
end
ts = st.mtime
if (st.directory?)
attrs = EFA_ISDIR
fname += '/'
else
f = File.open(fname, 'rb')
fdata = f.read(f.stat.size)
f.close
end
end
@entries << Entry.new(fname, fdata, @compmeth, ts, attrs, xtra, comment)
end
def set_comment(comment)
@comment = comment
end
#
# Write the compressed file to +fname+.
#
def save_to(fname)
f = File.open(fname, 'wb')
f.write(pack)
f.close
end
#
# Compress this archive and return the resulting zip file as a String.
#
def pack
ret = ''
# save the offests
offsets = []
# file 1 .. file n
@entries.each { |ent|
offsets << ret.length
ret << ent.pack
}
# archive decryption header (unsupported)
# archive extra data record (unsupported)
# central directory
cfd_offset = ret.length
idx = 0
@entries.each { |ent|
cfd = CentralDir.new(ent, offsets[idx])
ret << cfd.pack
idx += 1
}
# zip64 end of central dir record (unsupported)
# zip64 end of central dir locator (unsupported)
# end of central directory record
cur_offset = ret.length - cfd_offset
ret << CentralDirEnd.new(@entries.length, cur_offset, cfd_offset, @comment).pack
ret
end
def inspect
"#<#{self.class} entries = [#{@entries.map{|e| e.name}.join(",")}]>"
end
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems