fn parse_line(l: &str, attr_delimit_char: char, ln: usize) -> (String, String, Vec<String>) {
    let line = l.trim();
    if line.is_empty() || line.as_bytes()[0] == b'#' {
        return ("".to_string(), "".to_string(), vec![]);
    }

    let mut i = line.find('=');
    let (mut option, value) = match i.is_some() {
        true => (
            line[..i.unwrap()].trim().to_string(),
            line[i.unwrap() + 1..].trim().to_string(),
        ),
        false => (line.to_string(), String::new()),
    };

    // An Equal sign is required after 'Option'; spaces within 'Option' is invalid.
    let o = &option;
    for c in o.chars() {
        if c.is_whitespace() {
            option = format!("{}_on_Line{}", "InvalidOption".to_string(), ln);
            return (option, "".to_string(), vec![]);
        }
    }

    i = value.find(attr_delimit_char);
    let primary_value;
    let mut tmp_attr_vec: Vec<&str> = Vec::new();
    let attributes;
    match i.is_some() {
        true => {
            primary_value = value[..i.unwrap()].trim().to_string();
            attributes = value[i.unwrap() + 1..].to_string();
            tmp_attr_vec = attributes.split(attr_delimit_char).collect();
        }
        false => primary_value = value,
    }

    let mut attr_vec: Vec<String> = Vec::new();
    for a in &tmp_attr_vec {
        attr_vec.push(a.trim().to_string());
    }

    (option, primary_value, attr_vec)
}
/// Returns the properties of the option, derived from
/// a line in the configuration file.
Returns the properties of the option, derived from
a line in the configuration file.
Returns the properties of the option derived from a line in the configuration file .
fn parse_line(l: &str, attr_delimit_char: char, ln: usize) -> (String, String, Vec<String>) {
    let line = l.trim();
    if line.is_empty() || line.as_bytes()[0] == b'#' {
        return ("".to_string(), "".to_string(), vec![]);
    }
    let mut i = line.find('=');
    let (mut option, value) = match i.is_some() {
        true => (
            line[..i.unwrap()].trim().to_string(),
            line[i.unwrap() + 1..].trim().to_string(),
        ),
        false => (line.to_string(), String::new()),
    };
    // An Equal sign is required after 'Option'; spaces within 'Option' is invalid.
    let o = &option;
    for c in o.chars() {
        if c.is_whitespace() {
            option = format!("{}_on_Line{}", "InvalidOption".to_string(), ln);
            return (option, "".to_string(), vec![]);
        }
    }
    i = value.find(attr_delimit_char);
    let primary_value;
    let mut tmp_attr_vec: Vec<&str> = Vec::new();
    let attributes;
    match i.is_some() {
        true => {
            primary_value = value[..i.unwrap()].trim().to_string();
            attributes = value[i.unwrap() + 1..].to_string();
            tmp_attr_vec = attributes.split(attr_delimit_char).collect();
        }
        false => primary_value = value,
    }
    let mut attr_vec: Vec<String> = Vec::new();
    for a in &tmp_attr_vec {
        attr_vec.push(a.trim().to_string());
    }
    (option, primary_value, attr_vec)
}
fn parse_line ( l : & str , attr_delimit_char : char , ln : usize ) -> ( String , String , Vec < String > ) { let line = l . trim ( ) ; if line . is_empty ( ) || line . as_bytes ( ) [ 0 ] == b'#' { return ( " " . to_string ( ) , " " . to_string ( ) , vec ! [ ] ) ; } let mut i = line . find ( '=' ) ; let ( mut option , value ) = match i . is_some ( ) { true => ( line [ .. i . unwrap ( ) ] . trim ( ) . to_string ( ) , line [ i . unwrap ( ) + 1 .. ] . trim ( ) . to_string ( ) , ) , false => ( line . to_string ( ) , String :: new ( ) ) , } ; // An Equal sign is required after 'Option'; spaces within 'Option' is invalid. let o = & option ; for c in o . chars ( ) { if c . is_whitespace ( ) { option = format ! ( " " " " to_string ( ) ln ) ; return ( option , " " . to_string ( ) , vec ! [ ] ) ; } } i = value . find ( attr_delimit_char ) ; let primary_value ; let mut tmp_attr_vec : Vec < & str > = Vec :: new ( ) ; let attributes ; match i . is_some ( ) { true => { primary_value = value [ .. i . unwrap ( ) ] . trim ( ) . to_string ( ) ; attributes = value [ i . unwrap ( ) + 1 .. ] . to_string ( ) ; tmp_attr_vec = attributes . split ( attr_delimit_char ) . collect ( ) ; } false => primary_value = value , } let mut attr_vec : Vec < String > = Vec :: new ( ) ; for a in & tmp_attr_vec { attr_vec . push ( a . trim ( ) . to_string ( ) ) ; } ( option , primary_value , attr_vec ) }
Returns the properties of the option, derived from
a line in the configuration file.
Returns the properties of the option derived from a line in the configuration file .
l
&str
attr_delimit_char
char
ln
usize
l
&str
attr_delimit_char
char
ln
usize