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major rewrite. hash syntax. slim template. use tilt.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,131 +1,88 @@ | ||
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| require 'backports' | ||
| require 'tilt' | ||
| require 'temple/utils' | ||
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| module Laydown | ||
| TOPOBJECT = defined?(BasicObject) ? BasicObject : Object | ||
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| def self.new(&blk) | ||
| Template.new(&blk) | ||
| end | ||
|
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| class Template | ||
| def initialize(&blk) | ||
| @layout = blk | ||
| DEFAULT_TEMPLATE = { | ||
| :charset => 'utf-8', | ||
| :title => nil, | ||
| :description => nil, | ||
| :favicon => nil, | ||
| :keywords => nil, | ||
| :css => [], | ||
| :js => [], | ||
| :inline_js => [], | ||
| :head => [], | ||
| :body_class => nil, | ||
| :body => '#{yield}', | ||
| :ga_code => nil | ||
| } | ||
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| def self.compile(template={}) | ||
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| template = DEFAULT_TEMPLATE.merge(template) | ||
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| [:charset, :title, :description, :favicon, | ||
| :keywords, :body_class, :body, :ga_code | ||
| ].each do |k| | ||
| template[k] = case template[k] | ||
| when Array then template[k].join(template[k] == :keywords ? ', ' : '') | ||
| when String then template[k] | ||
| else template[k].to_s | ||
| end | ||
| end | ||
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| def render(scope=Object.new, &blk) | ||
| dsl = ::Laydown::DSL.new | ||
| scope.instance_exec(dsl, &@layout) | ||
| Renderer.new(dsl._captured_values, &blk).render | ||
| [:css, :js, :inline_js, :head].each do |k| | ||
| template[k] = Array(template[k]).flatten.compact | ||
| end | ||
| end | ||
|
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| class DSL | ||
| TARGETS = %w{ | ||
| charset lang title description favicon keywords css js | ||
| inline_js head body ga_code body_class | ||
| } | ||
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| attr_reader :_captured_values | ||
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| def initialize | ||
| @_captured_values = Hash.new { [] } | ||
| end | ||
|
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| def _laydown(name, *values) | ||
| @_captured_values[name] += values | ||
| compiled = read_raw_template.gsub(/data\[:([a-zA-Z0-9_]+)\]/) do |m| | ||
| val = template[:"#{$1}"] | ||
| case val | ||
| when String then interpolatize(val) | ||
| when nil then 'nil' | ||
| when Array then interpolatize( | ||
| val.map {|v| v.to_s } | ||
| ) | ||
| else val.to_s | ||
| end | ||
| end | ||
|
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| TARGETS.each do |name| | ||
| class_eval <<-RUBY | ||
| def #{name}(*a); _laydown('#{name}', *a); end | ||
| RUBY | ||
| end | ||
| puts compiled | ||
| compiled | ||
| end | ||
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| class Renderer | ||
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| def initialize(v) | ||
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| @charset = v['charset'].first || 'utf-8' | ||
| @lang = v['lang'].first | ||
| @title = v['title'].compact.join(' – ') | ||
| @favicon = v['favicon'].first | ||
| @description = v['description'].compact.join(' ') if v['description'] | ||
| @keywords = v['keywords'].compact.join(', ') if v['keywords'] | ||
| @css = v['css'].compact | ||
| @js = v['js'].compact | ||
| @inline_js = v['inline_js'].compact | ||
| @head = v['head'].compact.join("\n") | ||
| @ga_code = v['ga_code'].first | ||
| @body_class = v['body_class'].compact.join(' ') if v['body_class'] | ||
| @body = [block_given? ? yield : nil, v['body']]. | ||
| flatten.compact.join("\n") | ||
| end | ||
| def self.new(hsh={}) | ||
| Template.new(hsh) | ||
| end | ||
|
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| def render | ||
| "<!DOCTYPE html>\n" + | ||
| _(:html, {:lang => @lang}, | ||
| _(:head, {}, | ||
| _(:meta, {:charset => @charset}) + | ||
| _(:title, {}, @title) + | ||
| (@favicon ? | ||
| _(:link, {:rel => 'shortcut icon', :href => @favicon}) : '') + | ||
| (@description ? | ||
| _(:meta, {:description => @description}) : '') + | ||
| (@keywords ? | ||
| _(:meta, {:keywords => @keywords}) : '') + | ||
| @css.map do |url| | ||
| _(:link, {:rel => :stylesheet, :type => 'text/css', :href => url}) | ||
| end.join + | ||
| @js.map do |url| | ||
| _(:script, {:type => 'text/javascript', :src => url}, '') | ||
| end.join + | ||
| @inline_js.map do |code| | ||
| _(:script, {:type => 'text/javascript'}, code) | ||
| end.join + | ||
| (@ga_code ? google_analytics_js : '') + | ||
| @head | ||
| ) + | ||
| _(:body, {:class => @body_class}, | ||
| @body | ||
| ) | ||
| ) | ||
| end | ||
| def self.read_raw_template | ||
| File.read(File.join( | ||
| File.dirname(__FILE__), 'template.rb' | ||
| )) | ||
| end | ||
|
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| def self.interpolatize(obj) | ||
| puts obj | ||
| obj.inspect.gsub(/\\#\{/, '#{') | ||
| end | ||
|
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| # html helpers | ||
| class Template < Tilt::Template | ||
|
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| def _(name, props={}, contents=nil) | ||
| tag_str = name.to_s + prop_str(props) | ||
| if contents | ||
| "<#{tag_str}>\n#{contents}\n</#{name}>\n" | ||
| else | ||
| "<#{tag_str}/>\n" | ||
| end | ||
| def initialize(hsh) | ||
| super(nil, 1, hsh) { '' } # tilt hack | ||
| end | ||
|
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| def prop_str(hsh) | ||
| return '' if hsh.values.compact.empty? | ||
| ' ' + hsh.map do |k,v| | ||
| "#{k.to_s}='#{v.to_s}'" if v | ||
| end.compact.join(' ') | ||
| def prepare | ||
| @src = Laydown.compile(options) | ||
| end | ||
|
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| def google_analytics_js | ||
| <<-JS | ||
| var _gaq = _gaq || []; | ||
| _gaq.push(['_setAccount', '#{@ga_code}']); | ||
| _gaq.push(['_trackPageview']); | ||
| (function() { | ||
| var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; | ||
| ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; | ||
| var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); | ||
| })(); | ||
| JS | ||
| def precompiled_template(locals) | ||
| @src | ||
| end | ||
|
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| end | ||
| end | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| _buf = [] ; _temple_pre_tags = /<pre|<textarea/ ; _buf << ("<!DOCTYPE html><html><head>") ; | ||
| ; | ||
| ; | ||
| ; if data[:title] ; | ||
| ; _buf << ("<title>#{data[:title]}"\ | ||
| ""\ | ||
| "</title>") ; end ; if data[:favicon] ; | ||
| ; _buf << ("<link rel=\"shortcut icon\" url=\"#{Temple::Utils.escape_html((data[:favicon]))}\">"\ | ||
| ""\ | ||
| "") ; end ; if data[:description] ; | ||
| ; _buf << ("<meta content=\"#{Temple::Utils.escape_html((data[:description]))}\" name=\"description\">"\ | ||
| ""\ | ||
| "") ; end ; if data[:keywords] ; | ||
| ; _buf << ("<meta content=\"#{Temple::Utils.escape_html((data[:keywords]))}\" name=\"keywords\">"\ | ||
| ""\ | ||
| "") ; end ; data[:css].flatten.each do |url| ; | ||
| ; unless url == '' ; | ||
| ; _buf << ("<link href=\"#{Temple::Utils.escape_html((url))}\" rel=\"stylesheet\" type=\"text/css\">"\ | ||
| ""\ | ||
| "") ; end ; end ; data[:js].flatten.each do |url| ; | ||
| ; unless url == '' ; | ||
| ; _buf << ("<script src=\"#{Temple::Utils.escape_html((url))}\" type=\"text/javascript\"></script>"\ | ||
| ""\ | ||
| "") ; end ; end ; if data[:inline_js] && !data[:inline_js].empty? ; | ||
| ; _buf << ("<script type=\"text/javascript\">") ; | ||
| ; data[:inline_js].flatten.each do |code| ; | ||
| ; unless code == '' ; | ||
| ; _buf << (code) ; | ||
| ; | ||
| ; end ; end ; _buf << ("</script>") ; end ; if data[:head] ; | ||
| ; _buf << (data[:head]) ; | ||
| ; | ||
| ; end ; _buf << ("</head><body class=\"#{Temple::Utils.escape_html((data[:body_class]))}\">"\ | ||
| "#{data[:body]}"\ | ||
| ""\ | ||
| "") ; if data[:ga_code] ; | ||
| ; | ||
| ; _buf << ("<script type=\"text/javascript\">var _gaq = _gaq || [];\n_gaq.push(['_setAccount', '"\ | ||
| "#{Temple::Utils.escape_html((data[:ga_code]))}']);\n_gaq.push(['_trackPageview']);\n(function() {\nvar ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;\nga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';\nvar s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);\n})();</script>"\ | ||
| ""\ | ||
| ""\ | ||
| ""\ | ||
| ""\ | ||
| ""\ | ||
| ""\ | ||
| "") ; end ; _buf << ("</body></html>") ; _buf = _buf.join |
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