Contents

# encoding: utf-8
module PointRb
  class LayoutConstructor

    def initialize(project)
      @project = project
      @layout = Layout.new

      #this is the root directory and will be used by all other 
      #child nodes
      root_node = Directory.new(@project.path)
      @tree = LayoutTree.new(root_node)
    end

    def parse_dsl(content, path)

      begin
        instance_eval(content, path)
      rescue Exception => e
        file, line_number = filter_file_and_line_number(e.backtrace.first)
        raise Exceptions::SyntaxErrorInLayout, "Syntax error in layout-file \"#{file}\" at line #{line_number}."
      end

      @layout.actions = @tree.serialize do |node|
        #set base_dir based on parent directory
        node.content.base_dir = node.parent.content.full_path if node.parent
        #return the Directory-object
        node.content 
      end

      @layout
    end

    private

    def filter_file_and_line_number(backtrace)
      backtrace.split(':')[0..1]
    end

    def layout(name, &block)
      @layout.name = name.to_sym

      block.call
    end

    def directory(path, &block)
      @tree.add_node Directory.new(path)
      block.call if block
      @tree.up
    end

    def file(path, &block)
      content = block.call.to_s
      @tree.add_node PointRbFile.new(path, content)
      @tree.up
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
pointrb-0.1.2	lib/pointrb/layout_constructor.rb
pointrb-0.1.1	lib/pointrb/layout_constructor.rb
pointrb-0.1.0	lib/pointrb/layout_constructor.rb