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Adding in the initial sasstastic stuff.
git-svn-id: svn://hamptoncatlin.com/haml/branches/1.5dev@174 7063305b-7217-0410-af8c-cdc13e5119b9
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hcatlin
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Nov 28, 2006
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module Sass | ||
module Css | ||
class Attribute | ||
end | ||
end | ||
end |
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require File.dirname(__FILE__) + '/attribute' | ||
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module Sass | ||
module Css | ||
class Node | ||
attr_reader :children, :attributes, :parent, :name | ||
attr_writer :children, :attributes, :parent, :name | ||
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def initialize(name) | ||
@name = name | ||
@children, @attributes = [], [] | ||
end | ||
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def <<(child) | ||
@children << child | ||
child.parent = self | ||
true | ||
end | ||
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def to_s | ||
name + "\n" + (self.children.collect { |c| c.to_s }).join("\n>>") | ||
end | ||
end | ||
end | ||
end |
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require File.dirname(__FILE__) + '/node' | ||
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module Sass | ||
module Css | ||
def self.parse(sass_file) | ||
build_tree(sass_file) | ||
end | ||
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def self.build_tree(sass_tree) | ||
last_level, last_node = 0, nil | ||
base_container = [] | ||
sass_tree.each do |line| | ||
line, level = whitespace_strip_and_count(line) | ||
#puts "#{level}:#{last_level} #{line}" | ||
if level == 0 | ||
base_container << (last_node = Node.new(line)) | ||
else | ||
if line[0] == ':'[0] | ||
if last_level == level | ||
(1 + last_level - level).times { last_node = last_node.parent } | ||
last_level = level | ||
end | ||
last_node.attributes << line | ||
else | ||
node = Node.new(line) | ||
if last_level <= level | ||
(1 + last_level - level).times { last_node = last_node.parent } | ||
end | ||
last_node << node | ||
last_level, last_node = level, node | ||
end | ||
end | ||
end | ||
return base_container | ||
end | ||
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def self.whitespace_strip_and_count(line) | ||
[line.strip, line.scan(/[ ]*/)[0].length / 2] | ||
end | ||
end | ||
end |
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require File.dirname(__FILE__) + '/css/parser' | ||
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module Sass | ||
class Engine | ||
def render(input) | ||
buffer, stack, last_level, first = "", [], 0, true | ||
input.each do |line| | ||
line, level = [line.strip, line.scan(/[ ]*/)[0].length / 2] | ||
unless line.empty? | ||
if '%.#'.index line[0..0] | ||
if !first | ||
buffer << "}\n" | ||
end | ||
if level <= last_level | ||
stack.delete_at(stack.size - 1) | ||
if stack.empty? | ||
buffer << "\n" | ||
end | ||
end | ||
stack << line | ||
buffer << stack.join(" ") + " { " | ||
last_level, first = level, false | ||
elsif ':' == line[0..0] | ||
attribute, *value = line.scan(/[^ ]*/) | ||
value = value.join(" ") if value.is_a? Array | ||
buffer << "#{attribute[1..-1]}: #{value.strip}; " | ||
end | ||
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end | ||
end | ||
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unless stack.empty? | ||
buffer << "}" | ||
end | ||
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buffer | ||
end | ||
end | ||
end |
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#Rails plugin stuff. For use with action_view | ||
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module Sass | ||
module Plugin | ||
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def options | ||
@@options | ||
end | ||
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def stylesheet_location | ||
@@options[:stylesheet_location] || (RAILS_ROOT + "/public/stylesheets/") | ||
end | ||
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def sass_template(name) | ||
file_location = stylesheet_location + name | ||
if stylesheet_needs_update?(file_location) | ||
file = File.open(file_location + ".css") | ||
Sass::Engine.new.render(file_location + ".sass") | ||
end | ||
end | ||
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def stylesheet_needs_update?(file_location) | ||
!File.exists?(file_location + ".css") || (File.mtime("#{file_location}.sass") - 60) > File.mtime("#{file_location}.css") | ||
end | ||
end | ||
end |
fa5048b
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This is the first Sass commit ever. The original name was Sasstastic.
fa5048b
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Happy birthday!