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annotate lucene/src/luan/modules/lucene/Web_search.luan @ 548:f4dfe9c64c25

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shorten some String function names
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 15 Jun 2015 17:30:28 -0600
parents ddcd4296107a
children c69b4833a3a3
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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 pairs = Luan.pairs or error()
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4 local ipairs = Luan.ipairs or error()
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5 local range = Luan.range or error()
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6 local to_string = Luan.to_string or error()
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7 local Io = require "luan:Io"
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8 local Http = require "luan:http/Http"
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9 local String = require "luan:String"
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10 local string_to_number = String.to_number or error()
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11 local Html = require "luan:Html"
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12
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13 local M = {}
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15 local function form() %>
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16 <html>
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17 <head>
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18 <% Html.simply_html_head() %>
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19 <title>Lucene Query</title>
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20 </head>
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21 <body>
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22 <div container>
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23 <h3 margin-top="1.5em">Lucene Query</h3>
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24 <form horizontal name="form0" method="post" margin-top="2em">
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25 <div row>
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26 <div colspan=2 align="right">
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27 <label>Query:</label>
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28 </div>
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29 <div colspan=10>
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30 <input name="query" size="80" autofocus />
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31 <div textcolor="#888">Query examples: <i>type:user</i> or <i>+type:user +name:Joe"</i></div>
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32 </div>
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33 </div>
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34 <div row margin-top="1em">
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35 <div colspan=2 align="right">
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36 <label>Max Rows:</label>
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37 </div>
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38 <div colspan=10>
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39 <input name="rows" value="100" size="3" maxlength="5" /></p>
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40 </div>
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41 </div>
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42 <div row margin-top="1em">
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43 <div colspan=2 align="right">
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44 <label>Sort:</label>
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45 </div>
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46 <div colspan=10>
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47 <input name="sort" size="60" />
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48 <div textcolor="#888">Sort examples: <i>name, id</i></div>
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49 </div>
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50 </div>
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51 <div row margin-top="1em">
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52 <div colspan=2></div>
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53 <div colspan=10>
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54 <input type="submit" textcolor="white" bgcolor="#337ab7" large/>
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55 </div>
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56 </div>
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57 </form>
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58 </div>
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59 <% Html.simply_html_body_bottom() %>
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60 </body>
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61 </html>
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62 <% end
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63
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64
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65 local function result(query,sort,headers,table) %>
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66 <html>
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67 <head>
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68 <% Html.simply_html_head() %>
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69 <title>Lucene Query</title>
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70 </head>
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71 <body>
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72 <div container>
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73 <h3 margin-top="1.5em">Lucene Query Results</h3>
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74 <div row>
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75 <div colspan=2 align="right">
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76 <label>Query:</label>
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77 </div>
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78 <div colspan=10>
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79 <b><%=Html.encode(to_string(query))%></b></p>
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80 </div>
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81 </div>
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82 <div row>
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83 <div colspan=2 align="right">
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84 <label>Sort:</label>
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85 </div>
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86 <div colspan=10>
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87 <b><%=Html.encode(to_string(sort))%></b></p>
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88 </div>
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89 </div>
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90 <table border condensed margin-top="1.5em">
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91 <tr>
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92 <th></th>
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93 <% for _, header in ipairs(headers) do %>
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94 <th><%=header%></th>
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95 <% end %>
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96 </tr>
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97 <% for i, row in ipairs(table) do %>
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98 <tr>
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99 <td><%=i%></td>
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100 <% for col in range(1, #headers) do %>
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101 <td><%= row[col] or "" %></td>
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102 <% end %>
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103 </tr>
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104 <% end %>
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105 </table>
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106 </div>
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107 <% Html.simply_html_body_bottom() %>
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108 </body>
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109 </html>
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110 <% end
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113 local function index_of(tbl,val)
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114 for i, v in ipairs(tbl) do
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115 if v == val then
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116 return i
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117 end
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118 end
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119 local n = #tbl + 1
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120 tbl[n] = val
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121 return n
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122 end
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123
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124
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125 function M.of(index)
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126
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127 return function()
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128 Io.stdout = Http.response.text_writer()
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129 local query = Http.request.parameter.query
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130 if query == nil then
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131 form()
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132 return
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133 end
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134 local rows = string_to_number(Http.request.parameter.rows)
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135 local sort = Http.request.parameter.sort
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136 local results = index.search(query,1,rows,sort)
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137 local headers = {}
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138 local table = {}
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139 for _, doc in ipairs(results) do
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140 local row = {}
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141 for field, value in pairs(doc) do
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142 row[index_of(headers,field)] = value
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143 end
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144 table[#table+1] = row
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145 end
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146 result(query,sort,headers,table)
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147 end
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148
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149 end
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150
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151 return M