Parse package from the info file

1 files changed, 26 insertions, 0 deletions

diff --git a/lib/package.rb b/lib/package.rb
index 39a36c6..fbfd444 100644
--- a/lib/package.rb
+++ b/lib/package.rb
@@ -21,6 +21,32 @@ class Package
   def name_version
     "#{name}-#{@version}"
   end
+
+  def self.parse(path, info_contents)
+    current_line = String.new ''
+    variables = {}
+
+    info_contents.each_line(chomp: true) do |file_line|
+      current_line << file_line.delete_suffix('\\')
+      next if file_line.end_with? '\\'
+
+      variables.store(*parse_pair(current_line))
+      current_line.clear
+    end
+    from_hash path, variables
+  end
+
+  private_class_method def self.parse_pair(current_line)
+    variable_name, variable_value = current_line.split '='
+    [variable_name, variable_value[1...-1].split]
+  end
+
+  private_class_method def self.from_hash(path, variables)
+    Package.new path,
+      version: variables['VERSION'].join,
+      homepage: variables['HOMEPAGE'].join,
+      requires: variables['REQUIRES']
+  end
 end
 
 class Download