refactor data manipulation to use ruby extension and refactor config …

…files

config/compass/base.rb

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+#!/usr/bin/env ruby
+
+require 'sass'
+require 'compass'
+
+Compass.configuration do |config|
+    # Require any additional compass plugins here.
+    $root_path = File.expand_path(File.join(File.dirname(__FILE__), "../../"))
+    config.project_path = $root_path
+    config.sass_path = File.join($root_path, "scss/")
+    config.cache_path = File.join($root_path, "tmp/sass-cache")
+    config.images_path = File.join($root_path, "img/")
+    config.javascripts_path = File.join($root_path, "js/")
+    config.relative_assets = true
+    config.output_style = :debug
+    config.css_path = File.join($root_path, "css/debug/")
+    config.line_comments = false
+end
+
+# Control precision
+Sass::Script::Number.precision = 8
+
+# SASS Extension for grid data calculation performance
+
+module GriddlesFunctions
+
+    def get_grid_selector_values(step, fraction_list, fraction_selector_separator, mq, class_prefix, selector_sep)
+
+        # convert to raw values rather than handle sass values internally.
+        fraction_list = fraction_list.value
+        step = step.value
+        fraction_selector_separator = fraction_selector_separator.value
+        mq = mq.value
+        class_prefix = class_prefix.value
+        selector_sep = selector_sep.value
+
+        # Create the steps list from the step value
+        steps_list = (step..100).step(step).to_a
+        # Create hash for storing what we are doing
+        sel_value_dict = Hash.new
+        # Iterate over steps list and add to hash
+        mq = mq != "" ? mq + selector_sep : mq
+        selector_prefix = mq + class_prefix + selector_sep
+
+        steps_list.each {|x| sel_value_dict[Float(x.to_i)] = ["." + selector_prefix + x.to_s]}
+        # Iterate over fraction list and add to hash
+        for item in fraction_list
+            i = 1
+            denominator = item.to_i
+            while i <= Integer(item)-1
+                numerator = i
+                value = Float(100) / denominator * numerator
+
+                selector = "." + selector_prefix + String(numerator) + fraction_selector_separator + String(denominator)
+                if sel_value_dict.has_key?(value)
+                    sel_value_dict[value] = sel_value_dict[value].push(selector)
+                else
+                    sel_value_dict[value] = [selector]
+                end
+                i += 1
+            end
+        end
+
+        sel_value_list = []
+        sel_value_dict.each do|value,selector|
+          sel_value_list.push(Sass::Script::List.new([Sass::Script::String.new(selector.join(", ")), Sass::Script::Number.new(value)], :space))
+        end
+        return  Sass::Script::List.new(sel_value_list, :comma)
+    end
+end
+
+module Sass::Script::Functions
+  include GriddlesFunctions
+end

config/compass/griddles.rb

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+# SASS Extension for grid data calculation performance
+
+module GriddlesFunctions
+
+    def get_grid_selector_values(step, fraction_list, fraction_selector_separator, mq, class_prefix, selector_sep)
+
+        # convert to raw values rather than handle sass values internally.
+        fraction_list = fraction_list.value
+        step = step.value
+        fraction_selector_separator = fraction_selector_separator.value
+        mq = mq.value
+        class_prefix = class_prefix.value
+        selector_sep = selector_sep.value
+
+        # Create the steps list from the step value
+        steps_list = (step..100).step(step).to_a
+        # Create hash for storing what we are doing
+        sel_value_dict = Hash.new
+        # Iterate over steps list and add to hash
+        mq = mq != "" ? mq + selector_sep : mq
+        selector_prefix = mq + class_prefix + selector_sep
+
+        steps_list.each {|x| sel_value_dict[Float(x.to_i)] = ["." + selector_prefix + x.to_s]}
+        # Iterate over fraction list and add to hash
+        for item in fraction_list
+            i = 1
+            denominator = item.to_i
+            while i <= Integer(item)-1
+                numerator = i
+                value = Float(100) / denominator * numerator
+
+                selector = "." + selector_prefix + String(numerator) + fraction_selector_separator + String(denominator)
+                if sel_value_dict.has_key?(value)
+                    sel_value_dict[value] = sel_value_dict[value].push(selector)
+                else
+                    sel_value_dict[value] = [selector]
+                end
+                i += 1
+            end
+        end
+
+        sel_value_list = []
+        sel_value_dict.each do|value,selector|
+          sel_value_list.push(Sass::Script::List.new([Sass::Script::String.new(selector.join(", ")), Sass::Script::Number.new(value)], :space))
+        end
+        return  Sass::Script::List.new(sel_value_list, :comma)
+    end
+end
+
+module Sass::Script::Functions
+  include GriddlesFunctions
+end