Files: c4e6d69c2cdcc875fc3ac222471b3c5d55810b77 / modules / search.js
2535 bytesRaw
1 | var h = require('hyperscript') |
2 | var u = require('../util') |
3 | var pull = require('pull-stream') |
4 | var Scroller = require('pull-scroll') |
5 | var TextNodeSearcher = require('text-node-searcher') |
6 | var log = require('./scuttlebot').log |
7 | |
8 | |
9 | exports.needs = { |
10 | message_render: 'first' |
11 | } |
12 | |
13 | exports.gives = 'screen_view' |
14 | |
15 | var whitespace = /\s+/ |
16 | |
17 | function andSearch(terms, inputs) { |
18 | for(var i = 0; i < terms.length; i++) { |
19 | var match = false |
20 | for(var j = 0; j < inputs.length; j++) { |
21 | if(terms[i].test(inputs[j])) match = true |
22 | } |
23 | //if a term was not matched by anything, filter this one |
24 | if(!match) return false |
25 | } |
26 | return true |
27 | } |
28 | |
29 | function searchFilter(terms) { |
30 | return function (msg) { |
31 | var c = msg && msg.value && msg.value.content |
32 | return c && ( |
33 | msg.key == terms[0] || |
34 | andSearch(terms.map(function (term) { |
35 | return new RegExp(term, 'i') |
36 | // return new RegExp('\\b'+term+'\\b', 'i') |
37 | }), [c.text, c.name, c.title]) |
38 | ) |
39 | } |
40 | } |
41 | |
42 | function createOrRegExp(ary) { |
43 | return new RegExp(ary.map(function (e) { |
44 | return '\\b'+e+'\\b' |
45 | }).join('|'), 'i') |
46 | } |
47 | |
48 | /*function highlight(el, query) { |
49 | var searcher = new TextNodeSearcher({container: el}) |
50 | searcher.query = query |
51 | searcher.highlight() |
52 | return el |
53 | }*/ |
54 | |
55 | exports.create = function (api) { |
56 | |
57 | return function (path) { |
58 | if((path[0] === '?') || (path[0] === '#')) { |
59 | if (path[0] === '?') { |
60 | var query = path.substr(1).trim().split(whitespace) |
61 | } else { var query = path.split(whitespace)} |
62 | var _matches = searchFilter(query) |
63 | |
64 | var total = 0, matches = 0 |
65 | |
66 | var header = h('div.search_header', '') |
67 | var content = h('div.column.scroller__content') |
68 | var div = h('div.column.scroller', |
69 | {style: {'overflow':'auto'}}, |
70 | h('div.scroller__wrapper', |
71 | header, |
72 | content |
73 | ) |
74 | ) |
75 | |
76 | function matchesQuery (data) { |
77 | total++ |
78 | var m = _matches(data) |
79 | if(m) matches++ |
80 | //header.textContent = 'searched:'+total+', found:'+matches |
81 | return m |
82 | } |
83 | |
84 | function renderMsg(msg) { |
85 | var el = api.message_render(msg) |
86 | //highlight(el, createOrRegExp(query)) |
87 | return el |
88 | } |
89 | |
90 | pull( |
91 | log({old: false}), |
92 | pull.filter(matchesQuery), |
93 | Scroller(div, content, renderMsg, true, false) |
94 | ) |
95 | |
96 | pull( |
97 | u.next(log, {reverse: true, limit: 500, live: false}), |
98 | pull.filter(matchesQuery), |
99 | Scroller(div, content, renderMsg, false, false) |
100 | ) |
101 | |
102 | return div |
103 | } |
104 | } |
105 | |
106 | } |
107 |
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