class Tiltout

--
The MIT License (MIT)

Copyright (C) 2012 Gitorious AS

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Constants

VERSION

Attributes

paths[R]

Public Class Methods

new(template_root, opt = {}) click to toggle source

# File lib/tiltout.rb, line 31
def initialize(template_root, opt = {})
  @paths = Array(template_root)
  @cache = {} if !opt.key?(:cache) || opt[:cache]
  @layout = opt[:layout]
  @default_type = opt[:default_type] || "erb"
  @context_class = Class.new
  helper(opt[:helpers])
end

Public Instance Methods

helper(helpers) click to toggle source

# File lib/tiltout.rb, line 40
def helper(helpers)
  return if helpers.nil?
  helpers = [helpers] unless helpers.is_a?(Array)
  helpers.each { |h| @context_class.send(:include, helper_module(h)) }
end

render(template, locals = {}, options = {}) click to toggle source

# File lib/tiltout.rb, line 46
def render(template, locals = {}, options = {})
  context = @context_class.new
  context.renderer = self if context.respond_to?(:renderer=)
  content = render_in_context(context, template, locals)
  layout_tpl = options.key?(:layout) ? options[:layout] : @layout

  if !layout_tpl.nil?
    content = render_in_context(context, layout_tpl, locals) { content }
  end

  content
end

render_in_context(context, template, locals, &block) click to toggle source

# File lib/tiltout.rb, line 59
def render_in_context(context, template, locals, &block)
  load(template).render(context, locals, &block)
end

Private Instance Methods

cache(name, template) click to toggle source

# File lib/tiltout.rb, line 83
def cache(name, template)
  @cache[name] = template if @cache
end

cached?(name) click to toggle source

# File lib/tiltout.rb, line 87
def cached?(name)
  @cache && !!@cache[name]
end

find_file(name) click to toggle source

# File lib/tiltout.rb, line 72
def find_file(name)
  return name[:file] if name.is_a?(Hash)
  paths.each do |path|
    full_name = File.join(path, name.to_s)
    return full_name if cached?(full_name) || File.exists?(full_name)
    full_name = File.join(path, "#{name}.#{@default_type}")
    return full_name if cached?(full_name) || File.exists?(full_name)
  end
  nil
end

helper_module(mod) click to toggle source

# File lib/tiltout.rb, line 91
def helper_module(mod)
  return mod if mod.is_a?(Module)
  mod.keys.inject(Module.new) do |helper, attr|
    helper.send(:define_method, attr) { mod[attr] }
    helper
  end
end

load(name) click to toggle source

# File lib/tiltout.rb, line 64
def load(name)
  file_name = find_file(name)
  return @cache[file_name] if cached?(file_name)
  template = Tilt.new(file_name)
  cache(file_name, template)
  template
end