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move debug() to Io and remove Debug module; Io.print() now doesn't print newline if there is nothing to be printed;
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 18 Jun 2015 03:30:18 -0600
parents 342964519194
children 2f39468680be
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1 local Luan = require "luan:Luan"
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2 local error = Luan.error
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3 local ipairs = Luan.ipairs or error()
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4 local load = Luan.load or error()
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5 local try = Luan.try or error()
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6 local Io = require "luan:Io"
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7 local print = Io.print or error()
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8 local Http = require "luan:http/Http"
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9 local Html = require "luan:Html"
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11 local M = {}
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12
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13 local history = {}
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14 M.env = {}
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15
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16 function M.respond()
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17 if Http.request.parameter.clear ~= nil then
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18 history = {}
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19 else
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20 local cmd = Http.request.parameter.cmd
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21 if cmd ~= nil then
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22 Io.stdout = {}
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23 function Io.stdout.write(...)
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24 for v in Luan.values(...) do
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25 history[#history+1] = v
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26 end
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27 end
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28 print( "% "..cmd )
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29 try {
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30 function()
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31 local line = load(cmd,"<web_shell>",M.env,true)
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32 print( line() )
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33 end;
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34 catch = function(e)
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35 Io.print_to(Io.stderr,e)
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36 print(e)
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37 end;
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38 }
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39 end
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40 end
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41
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42 Io.stdout = Http.response.text_writer()
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43 %>
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44 <html>
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45 <head>
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46 <% Html.simply_html_head() %>
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47 <title>Luan Shell</title>
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48 </head>
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49 <body>
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50 <div container>
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51 <h3>Luan Shell</h3>
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52 <p>This is a command shell. Enter commands below.</p>
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53 <pre><%
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54 for _,v in ipairs(history) do
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55 Io.stdout.write(v)
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56 end
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57 %></pre>
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58 <form name='form0' method='post'>
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59 % <input name='cmd' size="80" autofocus>
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60 <input type="submit" value="run" textcolor="white" bgcolor="#337ab7">
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61 <input type="submit" name="clear" value="clear" textcolor="white" bgcolor="#337ab7">
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62 </form>
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63 </div>
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64 <% Html.simply_html_body_bottom() %>
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65 </body>
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66 </html>
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67 <%
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68 end
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69
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70 Http.per_session(M.respond)
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71
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72 return M