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annotate lucene/src/luan/modules/lucene/Web_search.luan @ 316:d6cce1cc8948

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Add another query example to search tool. git-svn-id: https://luan-java.googlecode.com/svn/trunk@317 21e917c8-12df-6dd8-5cb6-c86387c605b9
author hugo.tech@gmail.com <hugo.tech@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Mon, 29 Dec 2014 19:12:53 +0000
parents 5652cdea25f5
children 7f7708e8fdd4
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1 import "luan:Io"
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2 import "luan:web/Http"
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3 import "luan:String"
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6 local function basic_style() %>
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7 body {font-family:'Arial',sans-serif;font-size:16px;padding:1em 2em}
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8 input {padding:.5em;border-radius:10px;border:1px solid #ccc;font-size:16px}
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9 input.btn {background:#3B619D;color:#FFF;padding:.5em 2em;font-size:20px}
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10 h1 {font-weight:bold;font-size: 20px}
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11 p {margin:1em 0 .2em}
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12 span.label {min-width:100px;display:inline-block;text-align:right}
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13 div.tip{color:#888;font-size:80%}
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14 table.results {margin-top:2em;border-collapse:collapse;font-size:90%}
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15 table.results th {background:#eee}
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16 table.results th,table.results td {border-left:1px solid #bbb;padding:.4em}
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17 table.results tr:nth-child(odd) td {background:#f8f8f8}
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18 <% end
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19
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20 local function form() %>
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21 <!DOCTYPE html>
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22 <html lang="en">
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23 <head>
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24 <title>Lucene Query</title>
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25 <style><% basic_style() %></style>
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26 </head>
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27 <body>
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28 <h1>Lucene Query</h1>
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29 <form name="form0" method="post">
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30 <p>
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31 <span class="label">Query:</span> <input name="query" size="60" value="Query.all_docs" />
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32 <div class="tip"><span class="label"></span> Query examples: <i>Query.term{ type = 'user' }</i> or <i>"type:user AND name:Joe"</i></div>
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33 </p>
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34 <p><span class="label">Max Rows:</span> <input name="rows" value="100" maxlength="5" onkeypress="return event.charCode >= 48 && event.charCode <= 57" style="width:3em"/></p>
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35 <p>
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36 <span class="label">Sort:</span> <input name="sort" size="60" />
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37 <div class="tip"><span class="label"></span> Sort examples: Query.sort{{ field = 'id', type='int' }}</div>
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38 </p>
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39 <p><input type="submit" class="btn"/></p>
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40 </form>
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41 <script>document.form0.query.focus();</script>
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42 </body>
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43 </html>
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44 <% end
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45
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46
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47 local function result(query,sort,headers,table) %>
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48 <!DOCTYPE html>
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49 <html lang="en">
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50 <head>
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51 <style><% basic_style() %></style>
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52 </head>
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53 <body>
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54 <h1>Lucene Query Results</h1>
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55 <p><span class="label">Query:</span> <b><%=query%></b></p>
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56 <p><span class="label">Sort:</span> <b><%=sort%></b></p>
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57 <table class="results">
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58 <tr>
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59 <th></th>
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60 <% for _, header in ipairs(headers) do %>
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61 <th><%=header%></th>
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62 <% end %>
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63 </tr>
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64 <% for i, row in ipairs(table) do %>
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65 <tr>
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66 <td><%=i%></td>
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67 <% for col in range(1, #headers) do %>
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68 <td><%= row[col] or "" %></td>
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69 <% end %>
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70 </tr>
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71 <% end %>
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72 </table>
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73 </body>
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74 </html>
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75 <% end
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76
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77
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78 local function index_of(tbl,val)
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79 for i, v in ipairs(tbl) do
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80 if v == val then
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81 return i
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82 end
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83 end
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84 local n = #tbl + 1
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85 tbl[n] = val
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86 return n
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87 end
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90 function of(index)
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91
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92 return { service = function()
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93 Io.stdout = Http.response.text_writer()
582e8db4cdb6 add lucene Web_search
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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94 local query_string = Http.request.parameters.query
582e8db4cdb6 add lucene Web_search
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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95 if query_string == nil then
582e8db4cdb6 add lucene Web_search
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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96 form()
582e8db4cdb6 add lucene Web_search
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97 return
582e8db4cdb6 add lucene Web_search
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98 end
287
4d53e9fc1bd9 change lucene search to take lucene objects
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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99 local query = load(query_string,"<query>",{Query=index.Query},true)()
285
582e8db4cdb6 add lucene Web_search
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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100 local rows = to_number(Http.request.parameters.rows)
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4d53e9fc1bd9 change lucene search to take lucene objects
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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101 local sort = load(Http.request.parameters.sort,"<sort>",{Query=index.Query},true)()
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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102 index.Searcher( function(searcher)
582e8db4cdb6 add lucene Web_search
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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103 local results, length, total_hits = searcher.search(query,rows,sort)
582e8db4cdb6 add lucene Web_search
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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104 local headers = {}
582e8db4cdb6 add lucene Web_search
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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105 local table = {}
582e8db4cdb6 add lucene Web_search
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106 for doc in results do
582e8db4cdb6 add lucene Web_search
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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107 local row = {}
582e8db4cdb6 add lucene Web_search
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108 for field, value in pairs(doc) do
582e8db4cdb6 add lucene Web_search
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109 row[index_of(headers,field)] = value
582e8db4cdb6 add lucene Web_search
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110 end
582e8db4cdb6 add lucene Web_search
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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111 table[#table+1] = row
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112 end
582e8db4cdb6 add lucene Web_search
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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113 result(query,sort,headers,table)
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114 end )
582e8db4cdb6 add lucene Web_search
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115 end }
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116
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117 end