forked from facebookarchive/atom-ide-ui
-
Notifications
You must be signed in to change notification settings - Fork 0
/
_shell-quote.js
227 lines (206 loc) · 7.41 KB
/
_shell-quote.js
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/**
Modified from https://github.com/substack/node-shell-quote/commit/72fb5a8.
Includes https://github.com/substack/node-shell-quote/pull/29, with minor
modifications to remove the unnecessary Array polyfills.
Use the typed wrappers in ./string.js to access these functions.
The MIT License
Copyright (c) 2013 James Halliday (mail@substack.net)
Permission is hereby granted, free of charge,
to any person obtaining a copy of this software and
associated documentation files (the "Software"), to
deal in the Software without restriction, including
without limitation the rights to use, copy, modify,
merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom
the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice
shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
@noflow
*/
/* eslint-disable */
exports.quote = function (xs) {
return xs.map(function (s) {
if (s && typeof s === 'object') {
return s.op.replace(/(.)/g, '\\$1');
}
else if (/["\s]/.test(s) && !/'/.test(s)) {
return "'" + s.replace(/(['\\])/g, '\\$1') + "'";
}
else if (/["'\s]/.test(s)) {
return '"' + s.replace(/(["\\$`!])/g, '\\$1') + '"';
}
else {
return String(s).replace(/([#!"$&'()*,:;<=>?@\[\\\]^`{|}])/g, '\\$1');
}
}).join(' ');
};
var CONTROL = '(?:' + [
'\\|\\|', '\\&\\&', ';;', '\\|\\&', '[&;()|<>]'
].join('|') + ')';
var META = '|&;()<> \\t';
var BAREWORD = '(\\\\[\'"' + META + ']|[^\\s\'"' + META + '])+';
var SINGLE_QUOTE = '"((\\\\"|[^"])*?)"';
var DOUBLE_QUOTE = '\'((\\\\\'|[^\'])*?)\'';
var TOKEN = '';
for (var i = 0; i < 4; i++) {
TOKEN += (Math.pow(16,8)*Math.random()).toString(16);
}
exports.parse = function (s, env, opts) {
var mapped = parse(s, env, opts);
if (typeof env !== 'function') return mapped;
return mapped.reduce(function (acc, s) {
if (typeof s === 'object') return acc.concat(s);
var xs = s.split(RegExp('(' + TOKEN + '.*?' + TOKEN + ')', 'g'));
if (xs.length === 1) return acc.concat(xs[0]);
return acc.concat(xs.filter(Boolean).map(function (x) {
if (RegExp('^' + TOKEN).test(x)) {
return JSON.parse(x.split(TOKEN)[1]); }
else return x;
}));
}, []);
};
function parse (s, env, opts) {
var chunker = new RegExp([
'(' + CONTROL + ')', // control chars
'(' + BAREWORD + '|' + SINGLE_QUOTE + '|' + DOUBLE_QUOTE + ')*'
].join('|'), 'g');
var match = s.match(chunker).filter(Boolean);
var commented = false;
if (!match) return [];
if (!env) env = {};
if (!opts) opts = {};
return match.map(function (s, j) {
if (commented) {
return;
}
if (s.charAt(0) === '#') {
commented = true;
return { comment: s.substr(1) + match.slice(j+1).join(' ') };
}
if (RegExp('^' + CONTROL + '$').test(s)) {
return { op: s };
}
// Hand-written scanner/parser for Bash quoting rules:
//
// 1. inside single quotes, all characters are printed literally.
// 2. inside double quotes, all characters are printed literally
// except variables prefixed by '$' and backslashes followed by
// either a double quote or another backslash.
// 3. outside of any quotes, backslashes are treated as escape
// characters and not printed (unless they are themselves escaped)
// 4. quote context can switch mid-token if there is no whitespace
// between the two quote contexts (e.g. all'one'"token" parses as
// "allonetoken")
var SQ = "'";
var DQ = '"';
var DS = '$';
var BS = opts.escape || '\\';
var quote = false;
var esc = false;
var out = '';
var isGlob = false;
for (var i = 0, len = s.length; i < len; i++) {
var c = s.charAt(i);
isGlob = isGlob || (!quote && (c === '*' || c === '?'));
if (esc) {
out += c;
esc = false;
}
else if (quote) {
if (c === quote) {
quote = false;
}
else if (quote == SQ) {
out += c;
}
else { // Double quote
if (c === BS) {
i += 1;
c = s.charAt(i);
if (c === DQ || c === BS || c === DS) {
out += c;
} else {
out += BS + c;
}
}
else if (c === DS) {
out += parseEnvVar();
}
else {
out += c;
}
}
}
else if (c === DQ || c === SQ) {
quote = c;
}
else if (RegExp('^' + CONTROL + '$').test(c)) {
return { op: s };
}
else if (c === BS) {
esc = true;
}
else if (c === DS) {
out += parseEnvVar();
}
else out += c;
}
if (isGlob) return {op: 'glob', pattern: out};
return out;
function parseEnvVar() {
i += 1;
var varend, varname;
//debugger
if (s.charAt(i) === '{') {
i += 1;
if (s.charAt(i) === '}') {
throw new Error("Bad substitution: " + s.substr(i - 2, 3));
}
varend = s.indexOf('}', i);
if (varend < 0) {
throw new Error("Bad substitution: " + s.substr(i));
}
varname = s.substr(i, varend - i);
i = varend;
}
else if (/[*@#?$!_\-]/.test(s.charAt(i))) {
varname = s.charAt(i);
i += 1;
}
else {
varend = s.substr(i).match(/[^\w\d_]/);
if (!varend) {
varname = s.substr(i);
i = s.length;
} else {
varname = s.substr(i, varend.index);
i += varend.index - 1;
}
}
return getVar(null, '', varname);
}
})
// finalize parsed aruments
.reduce(function(prev, arg){
if (arg === undefined){
return prev;
}
return prev.concat(arg);
},[]);
function getVar (_, pre, key) {
var r = typeof env === 'function' ? env(key) : env[key];
if (r === undefined) r = '';
if (typeof r === 'object') {
return pre + TOKEN + JSON.stringify(r) + TOKEN;
}
else return pre + r;
}
}