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ðŸ“„ builder.rb(2.21 KB)
ðŸ“„ command.rb(12.46 KB)
ðŸ“„ command_manager.rb(4.67 KB)
ðŸ“ commands
ðŸ“„ config_file.rb(9.69 KB)
ðŸ“„ custom_require.rb(1.83 KB)
ðŸ“„ defaults.rb(2.65 KB)
ðŸ“„ dependency.rb(6.43 KB)
ðŸ“„ dependency_installer.rb(9.94 KB)
ðŸ“„ dependency_list.rb(5.58 KB)
ðŸ“„ deprecate.rb(1.81 KB)
ðŸ“„ doc_manager.rb(5.55 KB)
ðŸ“„ errors.rb(793 B)
ðŸ“„ exceptions.rb(2.34 KB)
ðŸ“ ext
ðŸ“„ ext.rb(379 B)
ðŸ“„ format.rb(1.96 KB)
ðŸ“„ gem_openssl.rb(2.24 KB)
ðŸ“„ gem_path_searcher.rb(4.57 KB)
ðŸ“„ gem_runner.rb(2.38 KB)
ðŸ“„ gemcutter_utilities.rb(1.86 KB)
ðŸ“„ indexer.rb(16.85 KB)
ðŸ“„ install_update_options.rb(3.87 KB)
ðŸ“„ installer.rb(16.94 KB)
ðŸ“„ installer_test_case.rb(3.1 KB)
ðŸ“„ local_remote_options.rb(3.36 KB)
ðŸ“„ mock_gem_ui.rb(1.05 KB)
ðŸ“„ old_format.rb(3.69 KB)
ðŸ“ package
ðŸ“„ package.rb(2.15 KB)
ðŸ“„ package_task.rb(3.79 KB)
ðŸ“„ path_support.rb(1.5 KB)
ðŸ“„ platform.rb(5.55 KB)
ðŸ“„ psych_additions.rb(498 B)
ðŸ“„ psych_tree.rb(1.34 KB)
ðŸ“„ remote_fetcher.rb(13.5 KB)
ðŸ“„ require_paths_builder.rb(577 B)
ðŸ“„ requirement.rb(4.99 KB)
ðŸ“„ security.rb(28.83 KB)
ðŸ“„ server.rb(21.93 KB)
ðŸ“„ source_index.rb(11 KB)
ðŸ“„ spec_fetcher.rb(7.17 KB)
ðŸ“„ specification.rb(54.68 KB)
ðŸ“ ssl_certs
ðŸ“„ syck_hack.rb(3.96 KB)
ðŸ“„ test_case.rb(21.89 KB)
ðŸ“„ test_utilities.rb(3.47 KB)
ðŸ“„ text.rb(1.23 KB)
ðŸ“„ uninstaller.rb(6.77 KB)
ðŸ“„ user_interaction.rb(11.22 KB)
ðŸ“„ validator.rb(4.65 KB)
ðŸ“„ version.rb(10.18 KB)
ðŸ“„ version_option.rb(1.59 KB)

Editing: old_format.rb

#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++

require 'rubygems'

##
# The format class knows the guts of the RubyGem .gem file format and provides
# the capability to read gem files

class Gem::OldFormat

attr_accessor :spec, :file_entries, :gem_path

##
  # Constructs an instance of a Format object, representing the gem's data
  # structure.
  #
  # gem:: [String] The file name of the gem

def initialize(gem_path)
    require 'fileutils'
    require 'zlib'
    Gem.load_yaml

@gem_path = gem_path
  end

##
  # Reads the named gem file and returns a Format object, representing the
  # data from the gem file
  #
  # file_path:: [String] Path to the gem file

def self.from_file_by_path(file_path)
    unless File.exist?(file_path)
      raise Gem::Exception, "Cannot load gem file [#{file_path}]"
    end

File.open(file_path, 'rb') do |file|
      from_io(file, file_path)
    end
  end

##
  # Reads a gem from an io stream and returns a Format object, representing
  # the data from the gem file
  #
  # io:: [IO] Stream from which to read the gem

def self.from_io(io, gem_path="(io)")
    format = self.new(gem_path)
    skip_ruby(io)
    format.spec = read_spec(io)
    format.file_entries = []
    read_files_from_gem(io) do |entry, file_data|
      format.file_entries << [entry, file_data]
    end
    format
  end

private

##
  # Skips the Ruby self-install header.  After calling this method, the
  # IO index will be set after the Ruby code.
  #
  # file:: [IO] The IO to process (skip the Ruby code)

def self.skip_ruby(file)
    end_seen = false
    loop {
      line = file.gets
      if(line == nil || line.chomp == "__END__") then
        end_seen = true
        break
      end
    }

if end_seen == false then
      raise Gem::Exception.new("Failed to find end of ruby script while reading gem")
    end
  end

##
  # Reads the specification YAML from the supplied IO and constructs
  # a Gem::Specification from it.  After calling this method, the
  # IO index will be set after the specification header.
  #
  # file:: [IO] The IO to process

def self.read_spec(file)
    yaml = ''

read_until_dashes file do |line|
      yaml << line
    end

Gem::Specification.from_yaml yaml
  rescue YAML::Error => e
    raise Gem::Exception, "Failed to parse gem specification out of gem file"
  rescue ArgumentError => e
    raise Gem::Exception, "Failed to parse gem specification out of gem file"
  end

##
  # Reads lines from the supplied IO until a end-of-yaml (---) is
  # reached
  #
  # file:: [IO] The IO to process
  # block:: [String] The read line

def self.read_until_dashes(file)
    while((line = file.gets) && line.chomp.strip != "---") do
      yield line
    end
  end

##
  # Reads the embedded file data from a gem file, yielding an entry
  # containing metadata about the file and the file contents themselves
  # for each file that's archived in the gem.
  # NOTE: Many of these methods should be extracted into some kind of
  # Gem file read/writer
  #
  # gem_file:: [IO] The IO to process

def self.read_files_from_gem(gem_file)
    errstr = "Error reading files from gem"
    header_yaml = ''
    begin
      self.read_until_dashes(gem_file) do |line|
        header_yaml << line
      end
      header = YAML.load(header_yaml)
      raise Gem::Exception, errstr unless header

header.each do |entry|
        file_data = ''
        self.read_until_dashes(gem_file) do |line|
          file_data << line
        end
        yield [entry, Zlib::Inflate.inflate(file_data.strip.unpack("m")[0])]
      end
    rescue Zlib::DataError
      raise Gem::Exception, errstr
    end
  end

end

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Editing: old_format.rb

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