iostruct-0.0.4/0000755000175000017500000000000014221327270012727 5ustar sophiesophieiostruct-0.0.4/Gemfile.lock0000644000175000017500000000026514221327270015154 0ustar sophiesophiePATH remote: . specs: iostruct (0.0.2) GEM remote: https://rubygems.org/ specs: rake (10.0.3) PLATFORMS ruby DEPENDENCIES bundler (~> 1.3) iostruct! rake iostruct-0.0.4/Rakefile0000644000175000017500000000017714221327270014401 0ustar sophiesophierequire "bundler/gem_tasks" require 'rspec/core/rake_task' desc "run specs" RSpec::Core::RakeTask.new task :default => :spec iostruct-0.0.4/lib/0000755000175000017500000000000014221327270013475 5ustar sophiesophieiostruct-0.0.4/lib/iostruct/0000755000175000017500000000000014221327270015351 5ustar sophiesophieiostruct-0.0.4/lib/iostruct/version.rb0000644000175000017500000000005014221327270017356 0ustar sophiesophiemodule IOStruct VERSION = "0.0.4" end iostruct-0.0.4/lib/iostruct.rb0000644000175000017500000000330614221327270015700 0ustar sophiesophiemodule IOStruct def self.new fmt, *args size = fmt.scan(/([a-z])(\d*)/i).map do |f,len| [len.to_i, 1].max * case f when /[AaCcx]/ then 1 when 'v' then 2 when 'V','l','L' then 4 when 'Q' then 8 else raise "unknown fmt #{f.inspect}" end end.inject(&:+) Struct.new( *args ).tap do |x| x.const_set 'FORMAT', fmt x.const_set 'SIZE', size x.class_eval do include InstanceMethods end x.extend ClassMethods end end # self.new module ClassMethods # src can be IO or String, or anything that responds to :read or :unpack def read src, size = nil size ||= const_get 'SIZE' data = if src.respond_to?(:read) src.read(size).to_s elsif src.respond_to?(:unpack) src else raise "[?] don't know how to read from #{src.inspect}" end if data.size < size $stderr.puts "[!] #{self.to_s} want #{size} bytes, got #{data.size}" end new(*data.unpack(const_get('FORMAT'))) end end # ClassMethods module InstanceMethods def pack to_a.pack self.class.const_get('FORMAT') end def empty? to_a.all?{ |t| t == 0 || t.nil? || t.to_s.tr("\x00","").empty? } end # allow initializing individual struct members by name, like: # PEdump::IMAGE_SECTION_HEADER.new( # :VirtualSize => 0x100, # :VirtualAddress => 0x100000 # ) def initialize *args if args.size == 1 && args.first.is_a?(Hash) super() args.first.each do |k,v| send "#{k}=", v end else super end end end # InstanceMethods end # IOStruct iostruct-0.0.4/.gitignore0000644000175000017500000000023214221327270014714 0ustar sophiesophie*.gem *.rbc .bundle .config .yardoc Gemfile.lock InstalledFiles _yardoc coverage doc/ lib/bundler/man pkg rdoc spec/reports test/tmp test/version_tmp tmp iostruct-0.0.4/Gemfile0000644000175000017500000000013514221327270014221 0ustar sophiesophiesource 'https://rubygems.org' # Specify your gem's dependencies in iostruct.gemspec gemspec iostruct-0.0.4/LICENSE.txt0000644000175000017500000000206414221327270014554 0ustar sophiesophieCopyright (c) 2013 Andrey "Zed" Zaikin MIT License Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. iostruct-0.0.4/README.md0000644000175000017500000000076414221327270014215 0ustar sophiesophie# Iostruct TODO: Write a gem description ## Installation Add this line to your application's Gemfile: gem 'iostruct' And then execute: $ bundle Or install it yourself as: $ gem install iostruct ## Usage TODO: Write usage instructions here ## Contributing 1. Fork it 2. Create your feature branch (`git checkout -b my-new-feature`) 3. Commit your changes (`git commit -am 'Add some feature'`) 4. Push to the branch (`git push origin my-new-feature`) 5. Create new Pull Request iostruct-0.0.4/iostruct.gemspec0000644000175000017500000000136314221327270016153 0ustar sophiesophie# coding: utf-8 lib = File.expand_path('../lib', __FILE__) $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib) require 'iostruct/version' Gem::Specification.new do |s| s.name = "iostruct" s.version = IOStruct::VERSION s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version= s.authors = ["Andrey \"Zed\" Zaikin"] s.date = "2013-01-08" s.email = "zed.0xff@gmail.com" s.files = `git ls-files`.split($/) s.homepage = "http://github.com/zed-0xff/iostruct" s.licenses = ["MIT"] s.require_paths = ["lib"] s.summary = "A Struct that can read/write itself from/to IO-like objects" s.add_development_dependency "bundler", "~> 1.3" s.add_development_dependency "rake" end iostruct-0.0.4/.rspec0000644000175000017500000000003214221327270014037 0ustar sophiesophie--color --format progress iostruct-0.0.4/spec/0000755000175000017500000000000014221327270013661 5ustar sophiesophieiostruct-0.0.4/spec/iostruct_spec.rb0000644000175000017500000000115414221327270017075 0ustar sophiesophierequire 'spec_helper' require 'stringio' describe IOStruct do describe "#read" do it "reads from IO" do a = [12345,56789] data = a.pack('L2') x = IOStruct.new('LL', :x, :y).read(StringIO.new(data)) x.x.should == a[0] x.y.should == a[1] end it "reads from String" do a = [12345,56789] data = a.pack('L2') x = IOStruct.new('LL', :x, :y).read(data) x.x.should == a[0] x.y.should == a[1] end end it "skips on 'x'" do a = [12345,56789] data = a.pack('L2') x = IOStruct.new('x4L', :y).read(data) x.y.should == a[1] end end iostruct-0.0.4/spec/spec_helper.rb0000644000175000017500000000042514221327270016500 0ustar sophiesophierequire File.join(File.dirname(__FILE__), '../lib/iostruct.rb') # See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration RSpec.configure do |config| config.treat_symbols_as_metadata_keys_with_true_values = true config.run_all_when_everything_filtered = true end