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Move all the `read_zip_*` methods out of `Entry`. 

They were only ever used in `CentralDirectory` anyway.
This commit is contained in:
Robert Haines 2021-06-10 17:29:00 +01:00
parent c0f20321ae
commit cd9a3fcad1
2 changed files with 30 additions and 28 deletions
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46
lib/zip/central_directory.rb
View File

@ -88,28 +88,28 @@ module Zip
def read_64_e_o_c_d(buf) #:nodoc:
buf = get_64_e_o_c_d(buf)
@size_of_zip64_e_o_c_d = Entry.read_zip_64_long(buf)
@version_made_by = Entry.read_zip_short(buf)
@version_needed_for_extract = Entry.read_zip_short(buf)
@number_of_this_disk = Entry.read_zip_long(buf)
@number_of_disk_with_start_of_cdir = Entry.read_zip_long(buf)
@total_number_of_entries_in_cdir_on_this_disk = Entry.read_zip_64_long(buf)
@size = Entry.read_zip_64_long(buf)
@size_in_bytes = Entry.read_zip_64_long(buf)
@cdir_offset = Entry.read_zip_64_long(buf)
@size_of_zip64_e_o_c_d = read_long64(buf)
@version_made_by = read_short(buf)
@version_needed_for_extract = read_short(buf)
@number_of_this_disk = read_long(buf)
@number_of_disk_with_start_of_cdir = read_long(buf)
@total_number_of_entries_in_cdir_on_this_disk = read_long64(buf)
@size = read_long64(buf)
@size_in_bytes = read_long64(buf)
@cdir_offset = read_long64(buf)
@zip_64_extensible = buf.slice!(0, buf.bytesize)
raise Error, 'Zip consistency problem while reading eocd structure' unless buf.empty?
end
def read_e_o_c_d(buf) #:nodoc:
buf = get_e_o_c_d(buf)
@number_of_this_disk = Entry.read_zip_short(buf)
@number_of_disk_with_start_of_cdir = Entry.read_zip_short(buf)
@total_number_of_entries_in_cdir_on_this_disk = Entry.read_zip_short(buf)
@size = Entry.read_zip_short(buf)
@size_in_bytes = Entry.read_zip_long(buf)
@cdir_offset = Entry.read_zip_long(buf)
comment_length = Entry.read_zip_short(buf)
@number_of_this_disk = read_short(buf)
@number_of_disk_with_start_of_cdir = read_short(buf)
@total_number_of_entries_in_cdir_on_this_disk = read_short(buf)
@size = read_short(buf)
@size_in_bytes = read_long(buf)
@cdir_offset = read_long(buf)
comment_length = read_short(buf)
@comment = if comment_length.to_i <= 0
buf.slice!(0, buf.size)
else
@ -233,6 +233,20 @@ module Zip
@entry_set.entries.sort == other.entries.sort && comment == other.comment
end
private
def read_short(io) # :nodoc:
io.read(2).unpack1('v')
end
def read_long(io) # :nodoc:
io.read(4).unpack1('V')
end
def read_long64(io) # :nodoc:
io.read(8).unpack1('Q<')
end
end
end

12
lib/zip/entry.rb
View File

@ -230,18 +230,6 @@ module Zip
end
class << self
def read_zip_short(io) # :nodoc:
io.read(2).unpack1('v')
end
def read_zip_long(io) # :nodoc:
io.read(4).unpack1('V')
end
def read_zip_64_long(io) # :nodoc:
io.read(8).unpack1('Q<')
end
def read_c_dir_entry(io) #:nodoc:all
path = if io.respond_to?(:path)
io.path