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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
var plugins = require("ep_etherpad-lite/static/js/pluginfw/plugins");
var _;
/* FIXME: Ugly hack, in the future, use same code for server & client */
if (plugins.isClient) {
var async = require("ep_etherpad-lite/static/js/pluginfw/async");
var _ = require("ep_etherpad-lite/static/js/underscore");
} else {
var async = require("async");
var _ = require("underscore");
}
exports.bubbleExceptions = true
var hookCallWrapper = function (hook, hook_name, args, cb) {
if (cb === undefined) cb = function (x) { return x; };
// Normalize output to list for both sync and async cases
var normalize = function(x) {
if (x == undefined) return [];
return x;
}
var normalizedhook = function () {
return normalize(hook.hook_fn(hook_name, args, function (x) {
return cb(normalize(x));
}));
}
if (exports.bubbleExceptions) {
return normalizedhook();
} else {
try {
return normalizedhook();
} catch (ex) {
console.error([hook_name, hook.part.full_name, ex.stack || ex]);
}
}
}
exports.syncMapFirst = function (lst, fn) {
var i;
var result;
for (i = 0; i < lst.length; i++) {
result = fn(lst[i])
if (result.length) return result;
}
return undefined;
}
exports.mapFirst = function (lst, fn, cb) {
var i = 0;
next = function () {
if (i >= lst.length) return cb(undefined);
fn(lst[i++], function (err, result) {
if (err) return cb(err);
if (result.length) return cb(null, result);
next();
});
}
next();
}
/* Don't use Array.concat as it flatterns arrays within the array */
exports.flatten = function (lst) {
var res = [];
if (lst != undefined && lst != null) {
for (var i = 0; i < lst.length; i++) {
if (lst[i] != undefined && lst[i] != null) {
for (var j = 0; j < lst[i].length; j++) {
res.push(lst[i][j]);
}
}
}
}
return res;
}
exports.callAll = function (hook_name, args) {
if (!args) args = {};
if (plugins.hooks[hook_name] === undefined) return [];
return _.flatten(_.map(plugins.hooks[hook_name], function (hook) {
return hookCallWrapper(hook, hook_name, args);
}), true);
}
exports.aCallAll = function (hook_name, args, cb) {
if (!args) args = {};
if (!cb) cb = function () {};
if (plugins.hooks[hook_name] === undefined) return cb(null, []);
async.map(
plugins.hooks[hook_name],
function (hook, cb) {
hookCallWrapper(hook, hook_name, args, function (res) { cb(null, res); });
},
function (err, res) {
cb(null, _.flatten(res, true));
}
);
}
exports.callFirst = function (hook_name, args) {
if (!args) args = {};
if (plugins.hooks[hook_name][0] === undefined) return [];
return exports.syncMapFirst(plugins.hooks[hook_name], function (hook) {
return hookCallWrapper(hook, hook_name, args);
});
}
exports.aCallFirst = function (hook_name, args, cb) {
if (!args) args = {};
if (!cb) cb = function () {};
if (plugins.hooks[hook_name] === undefined) return cb(null, []);
exports.mapFirst(
plugins.hooks[hook_name],
function (hook, cb) {
hookCallWrapper(hook, hook_name, args, function (res) { cb(null, res); });
},
cb
);
}
exports.callAllStr = function(hook_name, args, sep, pre, post) {
if (sep == undefined) sep = '';
if (pre == undefined) pre = '';
if (post == undefined) post = '';
var newCallhooks = [];
var callhooks = exports.callAll(hook_name, args);
for (var i = 0, ii = callhooks.length; i < ii; i++) {
newCallhooks[i] = pre + callhooks[i] + post;
}
return newCallhooks.join(sep || "");
}
|
