Initial import.

generator/generate-grid.rb

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+#! /usr/bin/env ruby
+
+require "yaml"
+grids = YAML.load_file("grids.yml")
+
+classes = {}
+grids.each do |grid_name, value|
+  width = value["width"].to_i
+  cells = value["cells"].to_i
+  margin = value["margin"].to_i
+  cell_size = width / cells;
+  
+  # containers
+  key  = "\tmargin-left: auto;\n"
+  key << "\tmargin-right: auto;\n"
+  key << "\twidth: " + width.to_s + "px;\n"
+  val  = ".container_" + cells.to_s
+  classes[key] = [] if !classes.has_key?(key)
+  classes[key].push(val)
+  
+  # global
+  key  = "\tdisplay: inline;\n"
+  key << "\tfloat: left;\n"
+  key << "\tmargin-left: " + margin.to_s + "px;\n"
+  key << "\tmargin-right: " + margin.to_s + "px;\n"
+  for i in 1..cells
+    val = ".container_" + cells.to_s + " .grid_" + i.to_s
+    classes[key] = [] if !classes.has_key?(key)
+    classes[key].push(val)
+  end
+
+  # alpha / omega
+  key = "\tmargin-left: 0;\n"
+  val = ".alpha"
+  classes[key] = [] if !classes.has_key?(key)
+  classes[key].push(val)
+  key = "\tmargin-right: 0;\n"
+  val = ".omega"
+  classes[key] = [] if !classes.has_key?(key)
+  classes[key].push(val)
+  
+  # grid_*
+  for i in 1..cells
+    key = "\twidth: " + ((cell_size * i) - (margin * 2)).to_s + "px;\n"
+    val = ".container_" + cells.to_s + " .grid_" + i.to_s
+      classes[key] = [] if !classes.has_key?(key)
+      classes[key].push(val)
+  end
+  
+  # prefix_*
+  for i in 1..(cells-1)
+    key = "\tpadding-left: " + ((cell_size) * i).to_s + "px;\n"
+    val = ".container_" + cells.to_s + " .prefix_" + i.to_s
+      classes[key] = [] if !classes.has_key?(key)
+      classes[key].push(val)
+  end
+  
+  # suffix_*
+  for i in 1..(cells-1)
+    key = "\tpadding-right: " + ((cell_size) * i).to_s + "px;\n"
+    val = ".container_" + cells.to_s + " .suffix_" + i.to_s
+      classes[key] = [] if !classes.has_key?(key)
+      classes[key].push(val)
+  end
+  
+end
+
+# clear
+key  = "\tclear: both;\n"
+key << "\tdisplay: block;\n"
+key << "\toverflow: hidden;\n"
+key << "\tvisibility: hidden;\n"
+key << "\twidth: 0;\n"
+key << "\theight: 0;\n"
+val  = ".clear"
+classes[key] = [] if !classes.has_key?(key)
+classes[key].push(val)
+
+# clearfix
+key  = "\tclear: both;\n"
+key << "\tcontent: '.';\n"
+key << "\tdisplay: block;\n"
+key << "\tvisibility: hidden;\n"
+key << "\theight: 0;\n"
+val  = ".clearfix:after"
+classes[key] = [] if !classes.has_key?(key)
+classes[key].push(val)
+
+key = "\tdisplay: inline-block;\n"
+val = ".clearfix"
+classes[key] = [] if !classes.has_key?(key)
+classes[key].push(val)
+
+key = "\theight: 1%;\n"
+val = "* html .clearfix"
+classes[key] = [] if !classes.has_key?(key)
+classes[key].push(val)
+
+key = "\tdisplay: block;\n"
+val = ".clearfix"
+classes[key] = [] if !classes.has_key?(key)
+classes[key].push(val)
+
+
+# generate output
+output = ""
+classes.sort
+
+classes.sort{|a,b| a[0]<=>b[0]}.each do |key, value|
+  output << value.uniq.join(",\n") + " {\n"
+  output << key
+  output << "}\n"
+  output << "\n"
+end
+
+puts output

generator/grids.yml

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+grid_1:
+   width: 760
+   cells: 20
+   margin: 0
+   
+grid_2:
+   width: 760
+   cells: 38
+   margin: 0
+   
+grid_3:
+   width: 760
+   cells: 76
+   margin: 0