nrk (owner)

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gist: 180830 Download_button fork
public
Description:
Haml, Cosmo and string templates in a Mercury application
Public Clone URL: git://gist.github.com/180830.git
Embed All Files: show embed
haml_test.lua #
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--[[
Extremely simple demo of a Mercury application that uses a various template 
engines to render the final html output. The Haml support is provided by 
Norman Clarke's excellent lua-haml (http://github.com/norman/lua-haml/).
]]
 
require 'luarocks.require'
require 'mercury'
require 'haml'
require 'cosmo'
 
module('greetings', package.seeall, mercury.application)
 
local templates = {
    haml = [[
%html(xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en")
  %head
    %title Mercury - Haml templates
  %body
    #content
      Mercury + Haml templates == instant win
      %p= params.word
      %p= foo
]],
 
    cosmo = [[
<html>
  <head><title>Mercury + Cosmo templates == instant win<title></head>
  <body>
    <table>$print_words[=[<tr><td>$it</td></tr>]=]</table>
  </body>
</html>
]], 
 
    string = [[
<html>
  <head><title>Mercury + String templates == instant win<title></head>
  <body>
    This is a %s, and foo is always %s.
  </body>
</html>
]],
}
 
get('/haml/:word/', function()
    t.haml(templates.haml, {}, { foo = 'bar' })
end)
 
get('/cosmo/:word/', function()
    local words = { 'this', 'is', 'a', 'test' }
    t.cosmo(templates.cosmo, { print_words = function() 
        for _, word in pairs(words) do cosmo.yield(word) end
    end})
end)
 
get('/string/:word/', function()
    t.string(templates.string, params.word, "bar")
end)
 
output-cosmo.html #
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<html>
  <head><title>Mercury + Cosmo templates == instant win<title></head>
  <body>
    <table><tr><td>this</td></tr><tr><td>is</td></tr><tr><td>a</td></tr><tr><td>test</td></tr></table>
  </body>
</html>
 
output-haml.html #
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<html lang='en' xml:lang='en' xmlns='http://www.w3.org/1999/xhtml'>
  <head>
    <title>Mercury - Haml templates</title>
  </head>
  <body>
    <div id='content'>
      Mercury + Haml templates == instant win
      <p>test</p>
      <p>bar</p>
    </div>
  </body>
</html>
 
output-string-format.html #
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<html>
  <head><title>Mercury + String templates == instant win<title></head>
  <body>
    This is a test, and foo is always bar.
  </body>
</html>
 
urls.txt #
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http://127.0.0.1:7654/haml/test
http://127.0.0.1:7654/cosmo/test
http://127.0.0.1:7654/string/test