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use std::io::{self, BufRead};
#[cfg(test)]
mod tests;
struct Alias {
alias: String,
name: String,
email: String,
}
impl Alias {
fn new(email: &str) -> Alias {
let mut split: Vec<&str> = email.split_whitespace().collect();
// Remove "From: "
split.remove(0);
let mut alias = String::new();
let mut name = String::new();
let mut email = String::new();
if split.len() == 1 {
alias = split[0].to_lowercase().to_string();
email = split[0].to_string();
} else if split.len() == 2 {
alias = split[0].to_lowercase().to_string();
name = split[0].to_string();
email = split[1].to_string();
} else if split.len() > 2 {
alias = format!("{}-{}", split[split.len() - 2], split[0]).to_lowercase().to_string();
name = split[0..(split.len() - 1)].join(" ");
email = split[split.len() - 1].to_string();
}
alias = alias.replace(',', "");
alias = alias.replace('\'', "");
alias = alias.replace('"', "");
Alias { alias: alias, name: name, email: email }
}
fn to_string(&self) -> String {
format!("alias {} {} {}", self.alias, self.name, self.email)
}
}
fn handle_alias(s: &str) {
let alias = build_alias(s);
}
fn build_alias(s: &str) -> String {
let mut split: Vec<&str> = s.split_whitespace().collect();
// Remove "From: "
split.remove(0);
let mut alias_line = String::from("alias ");
let mut alias = String::new();
if split.len() == 1 {
alias = format!("{} ", split[0].to_lowercase());
} else if split.len() == 2 {
alias = format!("{} ", split[0].to_lowercase());
} else if split.len() > 2 {
alias = format!("{}-{} ", split[split.len() - 2], split[0]).to_lowercase();
}
alias = alias.replace(',', "");
alias = alias.replace('\'', "");
alias = alias.replace('"', "");
alias_line.push_str(&alias);
alias_line.push_str(&split.join(" "));
alias_line
}
fn main() {
let stdin = io::stdin();
let input: Vec<String> = stdin.lock().lines().map(|line| line.unwrap()).collect();
for line in &input {
if line.starts_with("From: ") {
println!("!!!!!!!! {}", line);
// run matcher function
handle_alias(line);
}
}
for l in &input {
println!("{}", l);
}
// if alias not new
// do nothing
// if alias is new
// if real_alias is in alias file
// if email address is in alias file
// do nothing
//
// find all instances of real_alias
// get instance with greatest id number
//
// change real_alias to "#{real_alias}-#{id + 1}"
//
// if only one instance
// append "-2" to real_alias
//
// add alias to alias file
}
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