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doctypes =
'default': '<!DOCTYPE html>'
'5': '<!DOCTYPE html>'
'xml': '<?xml version="1.0" encoding="utf-8" ?>'
'transitional': '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
'strict': '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'
'frameset': '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">'
'1.1': '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'
'basic': '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.1//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic11.dtd">'
'mobile': '<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.2//EN" "http://www.openmobilealliance.org/tech/DTD/xhtml-mobile12.dtd">'
'ce': '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "ce-html-1.0-transitional.dtd">'
elements =
# Valid HTML 5 elements requiring a closing tag.
# Note: the `var` element is out for obvious reasons, please use `tag 'var'`.
regular: 'a abbr address article aside audio b bdi bdo blockquote body button
canvas caption cite code colgroup datalist dd del details dfn div dl dt em
fieldset figcaption figure footer form h1 h2 h3 h4 h5 h6 head header hgroup
html i iframe ins kbd label legend li map mark menu meter nav noscript object
ol optgroup option output p pre progress q rp rt ruby s samp section
select small span strong sub summary sup table tbody td textarea tfoot
th thead time title tr u ul video'
raw: 'style'
script: 'script'
# Valid self-closing HTML 5 elements.
void: 'area base br col command embed hr img input keygen link meta param
source track wbr'
obsolete: 'applet acronym bgsound dir frameset noframes isindex listing
nextid noembed plaintext rb strike xmp big blink center font marquee multicol
nobr spacer tt'
obsolete_void: 'basefont frame'
# Create a unique list of element names merging the desired groups.
merge_elements = (args...) ->
result = []
for a in args
for element in elements[a].split ' '
result.push element unless element in result
result
class Teacup
constructor: ->
@htmlOut = null
resetBuffer: (html=null) ->
previous = @htmlOut
@htmlOut = html
return previous
render: (template, args...) ->
previous = @resetBuffer('')
try
template(args...)
finally
result = @resetBuffer previous
return result
# alias render for coffeecup compatibility
cede: (args...) -> @render(args...)
renderable: (template) ->
teacup = @
return (args...) ->
if teacup.htmlOut is null
teacup.htmlOut = ''
try
template.apply @, args
finally
result = teacup.resetBuffer()
return result
else
template.apply @, args
renderAttr: (name, value) ->
if not value?
return " #{name}"
if value is false
return ''
if name is 'data' and typeof value is 'object'
return (@renderAttr "data-#{k}", v for k,v of value).join('')
if value is true
value = name
return " #{name}=#{@quote @escape value.toString()}"
attrOrder: ['id', 'class']
renderAttrs: (obj) ->
result = ''
# render explicitly ordered attributes first
for name in @attrOrder when name of obj
result += @renderAttr name, obj[name]
# then unordered attrs
for name, value of obj
continue if name in @attrOrder
result += @renderAttr name, value
return result
renderContents: (contents, rest...) ->
if not contents?
return
else if typeof contents is 'function'
result = contents.apply @, rest
@text result if typeof result is 'string'
else
@text contents
isSelector: (string) ->
string.length > 1 and string.charAt(0) in ['#', '.']
parseSelector: (selector) ->
id = null
classes = []
for token in selector.split '.'
token = token.trim()
if id
classes.push token
else
[klass, id] = token.split '#'
classes.push token unless klass is ''
return {id, classes}
normalizeArgs: (args) ->
attrs = {}
selector = null
contents = null
for arg, index in args when arg?
switch typeof arg
when 'string'
if index is 0 and @isSelector(arg)
selector = arg
parsedSelector = @parseSelector(arg)
else
contents = arg
when 'function', 'number', 'boolean'
contents = arg
when 'object'
if arg.constructor == Object
attrs = arg
else
contents = arg
else
contents = arg
if parsedSelector?
{id, classes} = parsedSelector
attrs.id = id if id?
if classes?.length
if attrs.class
classes.push attrs.class
attrs.class = classes.join(' ')
return {attrs, contents, selector}
tag: (tagName, args...) ->
{attrs, contents} = @normalizeArgs args
@raw "<#{tagName}#{@renderAttrs attrs}>"
@renderContents contents
@raw "</#{tagName}>"
rawTag: (tagName, args...) ->
{attrs, contents} = @normalizeArgs args
@raw "<#{tagName}#{@renderAttrs attrs}>"
@raw contents
@raw "</#{tagName}>"
scriptTag: (tagName, args...) ->
{attrs, contents} = @normalizeArgs args
@raw "<#{tagName}#{@renderAttrs attrs}>"
@renderContents contents
@raw "</#{tagName}>"
selfClosingTag: (tag, args...) ->
{attrs, contents} = @normalizeArgs args
if contents
throw new Error "Teacup: <#{tag}/> must not have content. Attempted to nest #{contents}"
@raw "<#{tag}#{@renderAttrs attrs} />"
coffeescript: (fn) ->
@raw """<script type="text/javascript">(function() {
var __slice = [].slice,
__indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; },
__hasProp = {}.hasOwnProperty,
__extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
(#{@escape fn.toString()})();
})();</script>"""
comment: (text) ->
@raw "<!--#{@escape text}-->"
doctype: (type=5) ->
@raw doctypes[type]
ie: (condition, contents) ->
@raw "<!--[if #{@escape condition}]>"
@renderContents contents
@raw "<![endif]-->"
text: (s) ->
unless @htmlOut?
throw new Error("Teacup: can't call a tag function outside a rendering context")
@htmlOut += s? and @escape(s.toString()) or ''
null
raw: (s) ->
return unless s?
@htmlOut += s
null
#
# Filters
# return strings instead of appending to buffer
#
# Don't escape single quote (') because we always quote attributes with double quote (")
escape: (text) ->
text.toString().replace(/&/g, '&amp;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;')
quote: (value) ->
"\"#{value}\""
#
# Plugins
#
use: (plugin) ->
plugin @
#
# Binding
#
tags: ->
bound = {}
boundMethodNames = [].concat(
'cede coffeescript comment component doctype escape ie normalizeArgs raw render renderable script tag text use'.split(' ')
merge_elements 'regular', 'obsolete', 'raw', 'void', 'obsolete_void'
)
for method in boundMethodNames
do (method) =>
bound[method] = (args...) => @[method].apply @, args
return bound
component: (func) ->
(args...) =>
{selector, attrs, contents} = @normalizeArgs(args)
renderContents = (args...) =>
args.unshift contents
@renderContents.apply @, args
func.apply @, [selector, attrs, renderContents]
# Define tag functions on the prototype for pretty stack traces
for tagName in merge_elements 'regular', 'obsolete'
do (tagName) ->
Teacup::[tagName] = (args...) -> @tag tagName, args...
for tagName in merge_elements 'raw'
do (tagName) ->
Teacup::[tagName] = (args...) -> @rawTag tagName, args...
for tagName in merge_elements 'script'
do (tagName) ->
Teacup::[tagName] = (args...) -> @scriptTag tagName, args...
for tagName in merge_elements 'void', 'obsolete_void'
do (tagName) ->
Teacup::[tagName] = (args...) -> @selfClosingTag tagName, args...
if module?.exports
module.exports = new Teacup().tags()
module.exports.Teacup = Teacup
else if typeof define is 'function' and define.amd
define('teacup', [], -> new Teacup().tags())
else
window.teacup = new Teacup().tags()
window.teacup.Teacup = Teacup