47 lines
1.7 KiB
Rust
47 lines
1.7 KiB
Rust
fn parse_after_whitespace(char_splitted_command_line: &mut Vec<char>, argv: &mut Vec<String>) -> Vec<String> {
|
|
let current_char_option = char_splitted_command_line.pop();
|
|
|
|
if current_char_option.is_none() {
|
|
argv.to_vec()
|
|
} else {
|
|
let current_char = current_char_option.unwrap();
|
|
|
|
if current_char.is_whitespace() {
|
|
parse_after_whitespace(char_splitted_command_line, argv)
|
|
} else {
|
|
parse_initial_state(char_splitted_command_line, &mut String::from(current_char.to_string()), argv)
|
|
}
|
|
}
|
|
}
|
|
|
|
fn parse_initial_state(char_splitted_command_line: &mut Vec<char>, current_arg: &mut String, argv: &mut Vec<String>) -> Vec<String> {
|
|
let current_char_option = char_splitted_command_line.pop();
|
|
|
|
if current_char_option.is_none() {
|
|
argv.push(current_arg.to_string());
|
|
argv.to_vec()
|
|
} else {
|
|
let current_char = current_char_option.unwrap();
|
|
if current_char.is_whitespace() {
|
|
argv.push(current_arg.to_string());
|
|
parse_after_whitespace(char_splitted_command_line, argv)
|
|
} else {
|
|
current_arg.push(current_char);
|
|
parse_initial_state(char_splitted_command_line, current_arg, argv)
|
|
}
|
|
}
|
|
}
|
|
|
|
fn split_string_in_chars(string_to_split: &String) -> Vec<char> {
|
|
string_to_split.trim().chars().rev().collect()
|
|
}
|
|
|
|
pub fn parse(command_line: &String) -> Vec<String> {
|
|
let mut argv: Vec<String> = Vec::new();
|
|
let mut char_splitted_command_line: Vec<char> = split_string_in_chars(&command_line);
|
|
let mut new_arg = String::new();
|
|
|
|
argv = parse_initial_state(&mut char_splitted_command_line, &mut new_arg, &mut argv);
|
|
|
|
argv
|
|
}
|