lib/figtree/ini_config.rb in figtree-0.0.2 vs lib/figtree/ini_config.rb in figtree-1.0.0

@@ -1,7 +1,46 @@
 require 'ostruct'
 module Figtree
   class IniConfig < OpenStruct
+    def initialize(ini, override = :none)
+      # cheat to allow a parsed hash in
+      if ini.is_a?(Hash)
+        parsed_subgroups = ini
+      else
+        parsed_subgroups = figgy_transform(
+          figgy_parse(
+            File.read(ini)
+          ),
+          override
+        ).reduce({}, :merge!)
+      end
+      super(
+        parsed_subgroups
+      )
+    end
+
+    private
+    def figgy_parse(str)
+      Parser.new.parse(str)
+    rescue Parslet::ParseFailed => failure
+      STDERR.puts "\nInvalid ini file.\n" +
+        "Error: #{failure.cause.ascii_tree}" +
+        "Please correct the file and retry."
+        raise
+    end
+
+    def figgy_transform(tree, override)
+      Transformer.new.apply(tree, override: override)
+    rescue => e
+      STDERR.puts "\nInvalid transformation rule.\n" +
+        "Error: #{e}" +
+        "Please correct your transformer rule and retry."
+        raise TransformFailed
+    end
   end
+
   class Subgroup < OpenStruct
+  end
+
+  class TransformFailed < Exception
   end
 end