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annotate lucene/src/luan/modules/lucene/Web_search.luan @ 285:582e8db4cdb6

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add lucene Web_search git-svn-id: https://luan-java.googlecode.com/svn/trunk@286 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 02 Dec 2014 06:17:45 +0000
parents
children 91be4027b2a8
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rev   line source
285
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 import "luan:Io"
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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2 import "luan:web/Http"
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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3 import "luan:String"
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6 local function form() %>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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7 <html>
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8 <body>
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9 <form method="post">
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10 <p>Query: <input name="query" size="60" /></p>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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11 <p>Rows: <input name="rows" value="20" /></p>
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12 <p>Sort: <input name="sort" size="60" /></p>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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13 <p><input type="submit" /></p>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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14 </form>
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15 </body>
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16 </html>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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17 <% end
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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20 local function result(query,sort,headers,table) %>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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21 <html>
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22 <body>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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23 <p>Query: <b><%=repr(query)%></b></p>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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24 <p>Sort: <b><%=repr(sort)%></b></p>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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25 <table border="1">
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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26 <tr><th></th>
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27 <%
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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28 for _, header in ipairs(headers) do
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29 %><th><%=header%></th><%
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30 end
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31 %>
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32 </tr>
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33 <%
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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34 for i, row in ipairs(table) do
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35 %>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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36 <tr><td><%=i%></td>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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37 <%
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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38 for col in range(1,#headers) do
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39 %><td><%= row[col] or "" %></td><%
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40 end
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41 %></tr><%
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42 end
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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43 %>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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44 </body>
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45 </html>
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46 <% end
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47
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48
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49 local function index_of(tbl,val)
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50 for i, v in ipairs(tbl) do
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51 if v == val then
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52 return i
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53 end
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54 end
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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55 local n = #tbl + 1
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56 tbl[n] = val
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57 return n
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58 end
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59
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60
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61 function of(index)
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62
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63 return { service = function()
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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64 Io.stdout = Http.response.text_writer()
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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65 local query_string = Http.request.parameters.query
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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66 if query_string == nil then
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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67 form()
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68 return
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69 end
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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70 local query = load(query_string,"<query>",{},true)()
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71 local rows = to_number(Http.request.parameters.rows)
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72 local sort = load(Http.request.parameters.sort,"<sort>",{},true)()
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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73 index.Searcher( function(searcher)
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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74 local results, length, total_hits = searcher.search(query,rows,sort)
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75 local headers = {}
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76 local table = {}
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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77 for doc in results do
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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78 local row = {}
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79 for field, value in pairs(doc) do
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80 row[index_of(headers,field)] = value
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81 end
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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82 table[#table+1] = row
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83 end
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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84 result(query,sort,headers,table)
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85 end )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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86 end }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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87
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88 end