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Enough unpacker to be dangerous

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ChillerDragon 2022-11-04 15:35:54 +01:00
parent b36df089ff
commit 316a24852e
1 changed files with 11 additions and 3 deletions
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14
lib/packer.rb
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@ -110,12 +110,15 @@ class Unpacker
if first[0] == '1' if first[0] == '1'
bits << first[2..] bits << first[2..]
bytes = bytes[1..] bytes = bytes[1..]
consumed = 1
bytes.each do |eigth_bits| bytes.each do |eigth_bits|
bits << eigth_bits[1..] bits << eigth_bits[1..]
consumed += 1
break if eigth_bits[0] == '0' break if eigth_bits[0] == '0'
end end
bits = bits.reverse bits = bits.reverse
@data = @data[consumed..]
else # single byte else # single byte
bits = [first[2..]] bits = [first[2..]]
@data = @data[1..] @data = @data[1..]
@ -151,7 +154,7 @@ def todo_make_this_rspec_test
# p Packer.pack_str("A") == [65, 0] # p Packer.pack_str("A") == [65, 0]
end end
todo_make_this_rspec_test # todo_make_this_rspec_test
def todo_also_rspec_unpacker def todo_also_rspec_unpacker
# u = Unpacker.new([0x41, 0x41, 0x00, 0x42, 0x42, 0x00]) # u = Unpacker.new([0x41, 0x41, 0x00, 0x42, 0x42, 0x00])
@ -171,7 +174,12 @@ def todo_also_rspec_unpacker
# end # end
# u = Unpacker.new([128, 1]) # u = Unpacker.new([128, 1])
# p u.get_int() # p u.get_int() == 64
u = Unpacker.new([128, 1, 128, 1])
p u.get_int() == 64
p u.get_int() == 64
# p u.get_int() == nil
# (-128..128).each do |i| # (-128..128).each do |i|
# u = Unpacker.new(Packer.pack_int(i)) # u = Unpacker.new(Packer.pack_int(i))
@ -189,5 +197,5 @@ def todo_also_rspec_unpacker
# p u.get_int() # p u.get_int()
end end
# todo_also_rspec_unpacker todo_also_rspec_unpacker