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annotate src/luan/modules/http/tools/Run.luan @ 1246:299996e03876

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clean up http/tools
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 17 Jul 2018 15:43:11 -0600
parents src/luan/modules/http/tools/run.luan@2de84f128be3
children 007ceb8dcf89
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 Run = {}
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13
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14 local function lines(s)
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15 local matcher = gmatch(s,"([^\n]*)\n|([^\n])+$")
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16 return function()
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17 local m1, m2 = matcher()
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18 return m1 or m2
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19 end
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20 end
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21
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22 local function print_with_line_numbers(s)
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23 local i = 1
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24 for line in lines(s) do
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25 print(i,line)
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26 i = i + 1
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27 end
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28 end
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29
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30 local function form() %>
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31 <!doctype html>
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32 <html>
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33 <head>
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34 <title>Run Luan Code</title>
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35 <style>
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36 body {
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37 font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
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38 text-align: center;
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39 margin-top: 1em;
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40 }
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41 h2 {
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42 margin-bottom: .3em;
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43 font-weight: normal;
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44 }
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45 textarea {
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46 font: inherit;
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47 border-radius: 4px;
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48 padding: .5em .8em;
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49 }
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50 input[type="submit"] {
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51 margin-top: .3em;
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52 color: white;
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53 background: #337ab7;
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54 border-color: #337ab7;
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55 font: inherit;
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56 padding: .5em;
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57 border-radius: 4px;
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58 }
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59 input[type="submit"]:hover {
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60 background: #236aa7 !important;
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61 }
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62 </style>
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63 </head>
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64 <body>
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65 <h2>Run Luan Code</h2>
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66 <form method="post">
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67 <input type="hidden" name="content_type" value="text/plain; charset=utf-8" />
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68 <div>
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69 <textarea name="code" rows="20" cols="90" wrap="off" autofocus></textarea>
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70 </div>
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71 <div>
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72 <input type="submit" value="Execute Luan Code"/>
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73 </div>
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74 </form>
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75 </body>
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76 </html>
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77 <% end
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78
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79 function Run.respond()
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80 local content_type = Http.request.parameters.content_type
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81 if content_type ~= nil then
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82 Http.response.headers["content-type"] = content_type
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83 end
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84 Io.stdout = Http.response.text_writer()
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85 local code = Http.request.parameters.code
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86 if code == nil then
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87 form()
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88 return
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89 end
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90 try {
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91 function()
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92 local run = load(code,"<web_run>")
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93 run()
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94 end;
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95 catch = function(e)
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96 Http.response.reset()
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97 Http.response.headers["content-type"] = "text/plain; charset=utf-8"
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98 Io.stdout = Http.response.text_writer()
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99 print(e)
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100 print""
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101 print""
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102 print_with_line_numbers(code)
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103 end;
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104 }
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105 end
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106
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107 return Run