1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
* Copyright 2019 Gentoo Authors
* Distributed under the terms of the GNU GPL version 2 or later
*/
"use strict";
var search_index = null;
var search_input = document.getElementById("searchInput");
search_input.addEventListener("keyup", function(event) {
if(event.keyCode === 13) {
event.preventDefault();
document.getElementById("mw-searchButton").click();
}
});
function buildIndex() {
search_index = lunr(function () {
this.ref('id');
this.field('text');
this.metadataWhitelist = ['position']
documents.forEach(function (doc) {
this.add(doc);
}, this);
});
}
function fetchDocuments() {
document.getElementsByName("search")[0].onclick = null;
if (search_index == null) {
const script = document.createElement('script')
script.src = documentsSrc;
script.async = false;
script.onload = function() {
buildIndex();
}
document.body.appendChild(script);
}
}
function getContents(docs, uid) {
var contents = { name: "", text: "", url: "" };
contents.name = docs[uid].name;
contents.text = docs[uid].text;
contents.url = docs[uid].url;
return contents;
}
function escapeHTML(str) {
return str.replace(/[&<"']/g, function(m) {
switch (m) {
case '&':
return '&';
case '<':
return '<';
case '"':
return '"';
default:
return ''';
}
});
};
function search() {
var term = document.getElementById("searchInput").value;
if (term !== "") {
var results = search_index.search(term);
if (results.length > 0) {
$("#searchResults .modal-body").empty();
$.each(results, function(index, result) {
var uid = result.ref;
var contents = getContents(documents, uid);
var stems = Object.keys(result.matchData.metadata);
var positions = [];
var text = "";
var pos = 0;
stems.forEach(function (stem) {
positions = positions.concat(result.matchData.metadata[stem].text.position);
});
positions.sort(function(x, y) {
if (x[0] < y[0]) { return -1; }
else if (x[0] > y[0]) { return 1; }
else { return 0; }
});
for (var i = 0; i < positions.length; i++) {
text += escapeHTML(contents.text.substring(pos, positions[i][0]));
pos = positions[i][0];
text += "<span style='background-color: yellow;'>";
text += escapeHTML(contents.text.substring(pos, pos + positions[i][1]));
pos += positions[i][1];
text += "</span>";
}
text += escapeHTML(contents.text.substring(pos));
$("#searchResults .modal-body").append(`<article><h5><a href="${contents.url}">
${contents.name}</a></h5><p>${text}</p></article>`);
});
} else {
$("#searchResults .modal-body").empty();
$("#searchResults .modal-body").append("<p>No results found.</p>");
}
} else {
$("#searchResults .modal-body").empty();
$("#searchResults .modal-body").append("<p>No search term defined.</p>");
}
$("#searchResults").modal();
}
|
GitWeb