1 | module readline |
2 | |
3 | #const $readline = require('readline') |
4 | |
5 | struct Termios {} |
6 | |
7 | // Only use standard os.get_line |
8 | // Need implementation for readline capabilities |
9 | // |
10 | // read_line_utf8 blocks execution in a loop and awaits user input |
11 | // characters from a terminal until `EOF` or `Enter` key is encountered |
12 | // in the input stream. |
13 | // read_line_utf8 returns the complete input line as an UTF-8 encoded `[]rune` or |
14 | // an error if the line is empty. |
15 | // The `prompt` `string` is output as a prefix text for the input capturing. |
16 | // read_line_utf8 is the main method of the `readline` module and `Readline` struct. |
17 | |
18 | pub fn (mut r Readline) read_line(prompt string) !string { |
19 | res := '' |
20 | print(prompt) |
21 | #const rl = $readline.createInterface({input: $process.stdin,output: $process.stdout,prompt: prompt.str}) |
22 | #rl.prompt() |
23 | #rl.on('line', function (ans) { rl.prompt(); res.str = ans; rl.close();}) |
24 | |
25 | return res |
26 | } |
27 | |
28 | pub fn read_line(prompt string) !string { |
29 | mut r := Readline{} |
30 | s := r.read_line(prompt)! |
31 | return s |
32 | } |