Created
April 4, 2013 02:12
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ruby-hash cheapo 'CouchDb'
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| require 'webrick' | |
| require 'json' | |
| DB = {} | |
| class Simple < WEBrick::HTTPServlet::AbstractServlet | |
| def do_GET request, response | |
| p = request.path.split "/" | |
| response.status, response['Content-Type'], response.body = 200, 'text/plain', p.length < 4 ? DB[p[2].to_sym].to_json : DB[p[2].to_sym][p[3].to_sym].to_json | |
| end | |
| end | |
| class SimpleP < WEBrick::HTTPServlet::AbstractServlet | |
| def do_POST request, response | |
| p = request.path.split "/" | |
| x = {p[3].to_sym => p[4]} | |
| (DB[p[2].to_sym]||={}).merge! x | |
| response.status, response['Content-Type'], response.body = 200, 'text/plain', "loaded #{p.join "-->"}" | |
| end | |
| end | |
| class Tester < WEBrick::HTTPServlet::AbstractServlet | |
| def do_GET request, response | |
| response.status, response['Content-Type'], response.body = 200, 'text/html', DATA | |
| end | |
| end | |
| server = WEBrick::HTTPServer.new(:Port => 8699) | |
| trap 'INT' do server.shutdown end | |
| server.mount '/fetch', Simple | |
| server.mount '/load', SimpleP | |
| server.mount '/', Tester | |
| server.start | |
| __END__ | |
| <html><body> | |
| <form id='fetching'><label for='param'>params:</label><input id='liveinput' type='text' name='param' placeholder='e.g. abc/def'></form> | |
| <hr></hr> | |
| <form id='loading'><label for='param'>params:</label><input type='text' name='param' placeholder='e.g. abc/def'><label for='param'>params:</label><input type='text' name='val'> | |
| <input type='submit' value='load'></input> | |
| </form> | |
| <hr></hr> | |
| <div id='response'></div> | |
| <style> | |
| div.butt {background: red; width: 50px} | |
| </style> | |
| <script type='text/javascript'> | |
| function reqListener () { | |
| document.getElementById('response').innerHTML = '...' + this.responseText | |
| }; | |
| var fetch = function() { | |
| var oReq = new XMLHttpRequest(); | |
| oReq.onload = reqListener; | |
| oReq.open('get', '/fetch/'+document.forms.fetching.param.value, true); | |
| oReq.send(); | |
| } | |
| var load = function() { | |
| var oReq = new XMLHttpRequest(); | |
| oReq.onload = reqListener; | |
| oReq.open('post', '/load/'+document.forms.loading.param.value +'/'+document.forms.loading.val.value, true); | |
| oReq.send(); | |
| return false; | |
| } | |
| window.load = load | |
| document.getElementById('liveinput').oninput = fetch | |
| document.getElementById('loading').onsubmit = load | |
| </script> | |
| </body></html> |
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