kattrali · May 8, 2012 22:26 · May 8, 2012
diff --git a/bridge.rb b/bridge.rb
@@ -0,0 +1,110 @@
+require "hpricot"
+require "fileutils"
+
+module BridgeSupport
+  class Parser
+    def initialize(path_from, path_to)
+      @doc = open(path_from) {|f| Hpricot(f).search('signatures').first}
+      if @doc and @doc.children
+        FileUtils.mkdir_p File.dirname(path_to)
+        o = open(path_to, 'w')
+        o.write(@doc.children.collect do |el|
+          next if el.is_a?(Hpricot::Text)
+          case el.name
+            when 'class'    then ClassDef.new(el).write('%s/%s.rb' % [File.dirname(path_to),el.attributes['name']])
+            when 'function' then FunctionDef.new(el).to_s
+            when 'enum'     then ConstantDef.new(el).to_s
+                            else BaseDef.new(el).to_s
+          end
+        end.compact.join("\n\n"))
+        o.close
+      end
+    end
+  end
+  class BaseDef
+    def initialize(el)
+      @el = el
+    end
+    def to_s
+      '# ' + @el.to_s.gsub("\n","\n# ")
+    end
+    def attr(key)
+      @el.attributes[key]
+    end
+    def indent(str, n=2)
+      n = ' '*n if n.is_a? Fixnum
+      str = str.join("\n\n") if str.is_a? Array
+      n + str.gsub("\n", "\n"+n)
+    end
+  end
+  class ClassDef < BaseDef
+    def to_s
+      "class %s < NSObject\n%s\n\n%s\nend" % [attr('name'), indent(methods_def), indent(super)]
+    end
+    def methods_def
+      @el.children.collect do |c|
+        if c.name == 'method'
+          BridgeSupport::MethodDef.new(c).to_s
+        end
+      end.compact
+    end
+    def write(path)
+      FileUtils.mkdir_p(File.dirname(path))
+      open(path,'w') {|f| f.write(to_s)}
+    end
+  end
+  class FunctionDef < BaseDef
+    def retval
+      r = @el.search('retval').first
+      "%s [ %s ]" % [r.attributes['declared_type'], r.attributes['type']]
+    end
+    def to_s
+      "def %s(%s) # => %s\n%s\nend" % [name, args.join(', '), retval, indent(super)]
+    end
+    def name
+      attr('name')
+    end
+    def args
+      @el.children.collect do |c|
+        c.attributes['name'] if c.name == 'arg'
+      end.compact
+    end
+  end
+  class MethodDef < FunctionDef
+    def to_s
+      arg = args.join(', ')
+      "def self.#{name}(#{arg}) end\n%s" % super
+    end
+    def messages
+      attr('selector')[0..-1].split(':')
+    end
+    def name
+      messages.first
+    end
+    def args
+      msg = messages
+      arg = @el.children.collect do |c|
+        c.attributes['name'] if c.name == 'arg'
+      end.compact
+      arg.collect.with_index do |a,i|
+        if i > 0 and msg and msg[i]
+          "%s:%s" % [msg[i], a]
+        else
+          a
+        end
+      end
+    end
+  end
+  class ConstantDef < BaseDef
+    def to_s
+      "%s = %s\n%s" % [attr('name'), attr('value'), super]
+    end
+  end
+end
+
+source_dir = '/Library/RubyMotion/data/5.1/BridgeSupport'
+destination_dir = '/Users/andrei/DropboxAndrei/Dropbox/Projects/iOS/BridgeSupport'
+Dir[source_dir + '/*.bridgesupport'].each do |f|
+  p f
+  BridgeSupport::Parser.new(f, destination_dir + '/%s/framework.rb' % File.basename(f,'.bridgesupport'))
+end