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use types::MalVal;
pub fn escape_str(s: &str) -> String {
let mut escaped = String::new();
escaped.push('"');
for c in s.chars() {
let _ = match c {
'"' => escaped.push_str("\\\""),
'\\' => escaped.push_str("\\\\"),
'\x08' => escaped.push_str("\\b"),
'\x0c' => escaped.push_str("\\f"),
'\n' => escaped.push_str("\\n"),
'\r' => escaped.push_str("\\r"),
'\t' => escaped.push_str("\\t"),
_ => escaped.push(c),
};
};
escaped.push('"');
escaped
}
pub fn unescape_str(s: &str) -> String {
let re1 = regex!(r#"\\""#);
let re2 = regex!(r#"\n"#);
re2.replace_all(&re1.replace_all(&s, "\""), "\n")
}
pub fn pr_list(lst: &Vec<MalVal>, pr: bool,
start: &str , end: &str, join: &str) -> String {
let mut first = true;
let mut res = String::new();
res.push_str(start);
for mv in lst.iter() {
if first {
first = false;
} else {
res.push_str(join);
}
res.push_str(&mv.pr_str(pr));
}
res.push_str(end);
res
}
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