File indexing completed on 2024-04-21 16:00:53

 # frozen_string_literal: true
 #
 # Copyright (C) 2016 Harald Sitter <sitter@kde.org>
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
 # version 2.1 of the License, or (at your option) version 3, or any
 # later version accepted by the membership of KDE e.V. (or its
 # successor approved by the membership of KDE e.V.), which shall
 # act as a proxy defined in Section 6 of version 3 of the license.
 #
 # This library is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 # Lesser General Public License for more details.
 #
 # You should have received a copy of the GNU Lesser General Public
 # License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 require 'insensitive_hash/minimal'
 
 require_relative 'deb822'
 
 module Debian
   # Debian Release (repo) parser
   class Release < Deb822
     # FIXME: lazy read automatically when accessing fields
     attr_reader :fields
 
     Checksum = Struct.new(:sum, :size, :file_name) do
       def to_s
         "#{sum} #{size} #{file_name}"
       end
     end
 
     # FIXME: pretty sure that should be in the base
     def initialize(file)
       @file = file
       @fields = InsensitiveHash.new
       @spec = { mandatory: %w(),
                 relationship: %w(),
                 multiline: %w(md5sum sha1 sha256 sha512) }
       @spec[:foldable] = %w() + @spec[:relationship]
     end
 
     def parse!
       lines = ::File.new(@file).readlines
       @fields = parse_paragraph(lines, @spec)
       post_process
 
       # FIXME: signing verification not implemented
     end
 
     def dump
       output = ''
       output += dump_paragraph(@fields, @spec)
       output + "\n"
     end
 
     private
 
     def post_process
       return unless @fields
 
       # NB: need case sensitive here, or we overwrite the correct case with
       #     a bogus one.
       %w(MD5Sum SHA1 SHA256 SHA512).each do |key|
         @fields[key] = parse_types(fields[key], Checksum)
       end
     end
 
     def parse_types(lines, klass)
       lines.split($/).collect do |line|
         klass.new(*line.split(' '))
       end.unshift(klass.new)
       # Push an empty isntance in to make sure output is somewhat sane
     end
   end
 end