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annotate http/src/luan/modules/http/run.luan @ 693:ca169567ce07

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module URIs must now include ".luan"
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 19 Apr 2016 15:54:11 -0600
parents 1e69d9c21461
children
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ca169567ce07 module URIs must now include ".luan"
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 local load = Luan.load or error()
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4 local try = Luan.try or error()
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5 local Io = require "luan:Io.luan"
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6 local print = Io.print or error()
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7 local String = require "luan:String.luan"
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8 local gmatch = String.gmatch or error()
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9 local Http = require "luan:http/Http.luan"
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10
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12 local function lines(s)
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13 local matcher = gmatch(s,"([^\n]*)\n|([^\n])+$")
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14 return function()
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15 local m1, m2 = matcher()
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16 return m1 or m2
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17 end
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18 end
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19
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20 local function print_with_line_numbers(s)
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21 local i = 1
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22 for line in lines(s) do
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23 print(i,line)
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24 i = i + 1
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25 end
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26 end
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27
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28 local function form() %>
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29 <html>
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30 <head>
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31 <title>Run Luan Code</title>
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32 <style>
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33 body {
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34 font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
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35 text-align: center;
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36 margin-top: 1em;
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37 }
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38 h2 {
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39 margin-bottom: .3em;
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40 font-weight: normal;
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41 }
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42 textarea {
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43 font: inherit;
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44 border-radius: 4px;
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45 padding: .5em .8em;
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46 }
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47 input[type="submit"] {
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48 margin-top: .3em;
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49 color: white;
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50 background: #337ab7;
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51 border-color: #337ab7;
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52 font: inherit;
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53 padding: .5em;
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54 border-radius: 4px;
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55 }
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56 input[type="submit"]:hover {
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57 background: #236aa7 !important;
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58 }
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59 </style>
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60 </head>
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61 <body>
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62 <h2>Run Luan Code</h2>
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63 <form name="form0" method="post">
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64 <input type="hidden" name="content_type" value="text/plain" />
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65 <div>
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66 <textarea name="code" rows="20" cols="90" wrap="off" autofocus></textarea>
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67 </div>
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68 <div>
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69 <input type="submit" value="Execute Luan Code"/>
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70 </div>
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71 </form>
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72 </body>
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73 </html>
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74 <% end
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75
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76 return function()
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77 local content_type = Http.request.parameter.content_type
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78 if content_type ~= nil then
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79 Http.response.header.content_type = content_type
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80 end
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81 Io.stdout = Http.response.text_writer()
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82 local code = Http.request.parameter.code
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83 if code == nil then
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84 form()
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85 return
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86 end
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87 local env = {
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88 request = Http.request;
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89 response = Http.response;
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90 }
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91 try {
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92 function()
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93 local run = load(code,"<web_run>",env)
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94 run()
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95 end;
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96 catch = function(e)
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97 Http.response.reset()
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98 Http.response.header.content_type = "text/plain"
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99 Io.stdout = Http.response.text_writer()
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100 print(e)
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101 print""
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102 print""
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103 print_with_line_numbers(code)
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104 end;
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105 }
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106 end