helpers.coffee

assembleOptions = options #this is assuming these helpers are in the register function that takes in an options object from assemble

minimatch = require 'minimatch'

matchPartials = (src, search) ->
  files = grunt.files.expand src
  partials = files.filter(minimatch.filter(search))
  partials

# Usage: {{ include [partial] }}
module.exports.include = include = (search, options) ->
  rtn = ''
  partials = matchPartials assembleOptions.partials, search
  _.forEach partials, (name) ->
    name = path.filename name
    partial = Handlebars.partials[name]
    if (typeof partial is "string")
      partial = Handlebars.compile(partial)
      Handlebars.partials[name] = partial
    return Utils.safeString('Partial **' + name + '** not found.')  unless partial
    context = _.extend({}, this, options.hash)
    rtn += partial(context)
    
  Utils.safeString rtn
  
# Adds support for passing arguments to partials. Arguments are merged with 
# the context for rendering only (non destructive). 
# Use `:token` syntax to replace parts of the template path. 
# Tokens are replaced in order.
# USAGE: {{partial 'path.to.partial' context=newContext foo='bar' }}
# USAGE: {{partial 'path.:1.:2' replaceOne replaceTwo foo='bar' }}
module.exports.partial = partial = (search) ->
  values = Array::slice.call(arguments, 1)
  opts = values.pop()
#  until done
#    value = values.pop()
#    if value
#      template = template.replace(/:[^\.]+/, value)
#    else
#      done = true
  rtn = ''
  partials = matchPartials assembleOptions.partials, search
  _.forEach partails, (name) ->
    name = path.filename(name)
    partial = Handlebars.partials[name]
    if (typeof partial is "string")
      partial = Handlebars.compile(partial)
      Handlebars.partials[name] = partial
    return Utils.safeString('Partial **' + name + '** not found.')  unless partial
    context = _.extend({}, opts.context or this, _.omit(opts, "context", "fn", "inverse"))
    rtn += partial(context)
    
  Utils.safeString rtn