1 files changed, 48 insertions, 0 deletions
diff --git a/lib/bundler/dsl.rb b/lib/bundler/dsl.rb
new file mode 100644
index 0000000000..a8b529c8a0
--- /dev/null
+++ b/lib/bundler/dsl.rb
@@ -0,0 +1,48 @@
+module Bundler
+  class DslError < StandardError; end
+
+  class Dsl
+    def self.evaluate(gemfile)
+      builder = new
+      builder.instance_eval(File.read(gemfile.to_s), gemfile.to_s, 1)
+      builder.to_definition
+    end
+
+    def initialize
+      @sources = [] # Gem.sources.map { |s| Source::Rubygems.new(:uri => s) }
+      @dependencies = []
+      @git = nil
+      @git_sources = {}
+    end
+
+    def gem(name, *args)
+      options = Hash === args.last ? args.pop : {}
+      version = args.last || ">= 0"
+
+      @dependencies << Dependency.new(name, version, options)
+    end
+
+    def source(source)
+      source = case source
+      when :gemcutter, :rubygems, :rubyforge then Source::Rubygems.new(:uri => "http://gemcutter.org")
+      when String then Source::Rubygems.new(:uri => source)
+      else source
+      end
+
+      @sources << source
+    end
+
+    def path(path, options = {})
+      source Source::Path.new(options.merge(:path => path))
+    end
+
+    def git(uri, options = {})
+      source Source::Git.new(options.merge(:uri => uri))
+    end
+
+    def to_definition
+      Definition.new(@dependencies, @sources)
+    end
+
+  end
+end
+\ No newline at end of file