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fix compilation and underflow issues, still doesn't work though

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This commit is contained in:
Lilly Rosaline 2021-10-01 00:03:14 -05:00
parent d8b8c7a48f
commit d3d31a1270
1 changed files with 45 additions and 27 deletions
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72
src/lib.rs
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@ -12,91 +12,109 @@ mod tests {
}
/// Parses the command line arguments into a list of parameters.
pub fn parse_args(input: &str, mode: u8) -> Vec<&str> {
let args = &mut input.clone();
pub fn parse_args(input: &str, mode: u8) -> Vec<String> {
let args = &mut input.clone().chars().into_iter();
let mut vargs: Vec<char> = vec![];
for arg in args {
vargs.push(arg);
}
let args: &mut [char] = &mut vargs.as_mut_slice();
match mode {
/// Returns exact input string.
0x00 => {vec![args]},
0x00 => {vec![input.to_string()]},
/// Seperates all strings
0x07 => {
let mut arguments: Vec<String> = vec![];
let mut singlequotes: Vec<usize>;
let mut doublequotes: Vec<usize>;
let mut variables: Vec<usize>;
let mut escaped_spaces: Vec<usize>;
let mut extraneous_backslashes: Vec<usize>;
let mut marked_for_removal: Vec<usize>;
let mut singlequotes: Vec<usize> = vec![];
let mut doublequotes: Vec<usize> = vec![];
let mut variables: Vec<usize> = vec![];
let mut escaped_spaces: Vec<usize> = vec![];
let mut extraneous_backslashes: Vec<usize> = vec![];
let mut marked_for_removal: Vec<usize> = vec![];
// Begin by marking characters that have special behavior.
for (i, c) in args.chars().enumerate() {
for (i, c) in args.iter().enumerate() {
match c {
'\'' => {
if args[i - 1] == '\\' && args[i - 2] != '\\' {
if args[if i != 0 {i - 1} else {0}] == '\\' && args[if i != 0 {i - 2} else {0}] != '\\' {
singlequotes.push(i);
}
},
'\"' => {
if args[i - 1] == '\\' && args[i - 2] != '\\' {
if args[if i != 0 {i - 1} else {0}] == '\\' && args[if i != 0 {i - 2} else {0}] != '\\' {
doublequotes.push(i);
}
}
'$' => {
if args[i - 1] == '\\' && args[i - 2] != '\\' {
if args[if i != 0 {i - 1} else {0}] == '\\' && args[if i != 0 {i - 2} else {0}] != '\\' {
variables.push(i);
}
}
' ' => {
if args[i - 1] == '\\' && args[i - 2] != '\\' {
if args[if i != 0 {i - 1} else {0}] == '\\' && args[if i != 0 {i - 2} else {0}] != '\\' {
escaped_spaces.push(i);
}
}
'\\' => {
if args[i - i] != '\\' && args[i + 1] == ' ' | '\n' {
if args[if i != 0 {i - 1} else {0}] != '\\' && (args[if i != args.len() {i + 1} else {args.len()}] == ' ' || args[if i != args.len() {i + 1} else {args.len()}] == '\n') {
extraneous_backslashes.push(i);
}
}
_ => {}
};
}
let mut quoted = false;
let mut singlequoted = false;
let mut doublequoted = false;
for i in singlequotes {
if !singlequoted {
if !singlequoted && !quoted {
singlequoted = true;
quoted = true;
marked_for_removal.push(i);
} else {
singlequoted = false;
if !doublequoted {
quoted = false;
}
}
}
let mut doublequoted = false;
for i in doublequotes {
if !doublequoted {
if !doublequoted && !quoted {
doublequoted = true;
quoted = true;
marked_for_removal.push(i);
} else {
doublequoted = false;
if !singlequoted {
quoted = false;
}
}
}
for i in escaped_spaces {
marked_for_removal.push(i - 1);
marked_for_removal.push(if i != 0 {i - 1} else {0});
}
for i in extraneous_backslashes {
marked_for_removal.push(i);
}
for i in marked_for_removal {
args.insert(i, char::from(0xFF));
args[i] = char::from(0xFF);
}
for (i, c) in args.chars().enumerate() {
if c == char::from(0xFF) {
arguments.push(args.split_at(i).0.to_string());
arguments.push(args.split_at(i).1.to_string());
let mut last: usize = 0;
for (i, c) in args.iter().enumerate() {
if c == &char::from(0xFF) {
let mut output: String = "".to_string();
args.to_vec().get(last + 1..if i != 0 {i - 1} else {0}).unwrap().iter().map(|x| output.push(*x));
arguments.push(output);
last = i;
}
}
return arguments;
}
},
},
///
0x10 => {
vec![]
},
_ => panic!("Unexpected input")
}