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annotate web/src/luan/modules/web/web_run.luan @ 325:78a6a71afbfd

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use SimplyHTML git-svn-id: https://luan-java.googlecode.com/svn/trunk@326 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 03 Mar 2015 06:00:59 +0000
parents 7f7708e8fdd4
children db37d6aee4db
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parents: 294
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1 local Luan = require "luan:Luan"
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2 local load = Luan.load
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3 local Io = require "luan:Io"
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4 local print = Io.print
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5 local Http = require "luan:web/Http"
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6 local String = require "luan:String"
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7 local Html = require "luan:Html"
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06159094b802 replace WebRun.java with web_run.luan
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9 local function lines(s)
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10 local matcher = s.gmatch "([^\n]*)\n|([^\n])+$"
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11 return function()
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12 local m1, m2 = matcher()
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13 return m1 or m2
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14 end
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15 end
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17 local function print_with_line_numbers(s)
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18 i = 1
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19 for line in lines(s) do
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20 print(i,line)
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21 i = i + 1
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22 end
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23 end
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24
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25 local function form()
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26 Html.simple_html_page{
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27 head = function() %>
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28 <title>Run Luan Code</title>
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29 <% end;
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30 body = function() %>
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31 <center margin-top=10>
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32 <h3>Run Luan Code</h3>
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33 </center>
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34 <form name="form0" method="post">
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35 <input type="hidden" name="content_type" value="text/plain" />
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36 <center>
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37 <textarea name="code" rows="20" cols="90" wrap="off" autofocus></textarea>
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38 </center>
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39 <center margin-top=5>
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40 <input type="submit" value="Execute Luan Code" textcolor="white" bgcolor="#337ab7"/>
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41 </center>
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42 </form>
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43 <% end;
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44 }
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45 end
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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46
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47 function service()
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48 Io.stdout = Http.response.text_writer()
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49 local code = Http.request.parameters.code
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50 if code == nil then
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51 form()
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52 return
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53 end
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54 local content_type = Http.request.parameters.content_type
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55 if content_type ~= nil then
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56 Http.response.content_type = content_type
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57 end
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58 local env = {
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59 request = Http.request;
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60 response = Http.response;
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61 }
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62 try
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63 local run = load(code,"<web_run>",env)
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64 run()
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65 catch e do
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66 Http.response.content_type = "text/plain"
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67 print(e)
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68 print()
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69 print()
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70 print_with_line_numbers(code)
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71 end
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72 end