blob: 31e5ca0feecabcc3322ea728c6cea18b8366d4b3 (
plain)
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
|
# IMPORTANT: choose one
RL_LIB = "libreadline" # NOTE: libreadline is GPL
#RL_LIB = "libedit"
HISTORY_FILE = require('path').join(process.env.HOME, '.mal-history')
rlwrap = {} # namespace for this module in web context
ffi = require('ffi')
fs = require('fs')
rllib = ffi.Library(RL_LIB, {
'readline': ['string', ['string']],
'add_history': ['int', ['string']]})
rl_history_loaded = false
exports.readline = rlwrap.readline = (prompt = 'user> ') ->
if !rl_history_loaded
rl_history_loaded = true
lines = []
if fs.existsSync(HISTORY_FILE)
lines = fs.readFileSync(HISTORY_FILE).toString().split("\n");
# Max of 2000 lines
lines = lines[Math.max(lines.length - 2000, 0)..]
rllib.add_history(line) for line in lines when line != ""
line = rllib.readline prompt
if line
rllib.add_history line
fs.appendFileSync HISTORY_FILE, line + "\n"
line
# vim: ts=2:sw=2
|
