rust-imap/src/parse.rs
2016-06-24 19:38:04 -04:00

89 lines
3.2 KiB
Rust

use regex::Regex;
use super::mailbox::Mailbox;
use super::error::{Error, ParseError, Result};
pub fn parse_capability(lines: Vec<String>) -> Result<Vec<String>> {
let capability_regex = Regex::new(r"^\* CAPABILITY (.*)\r\n").unwrap();
//Check Ok
match parse_response_ok(lines.clone()) {
Ok(_) => (),
Err(e) => return Err(e)
};
for line in lines.iter() {
if capability_regex.is_match(line) {
let cap = capability_regex.captures(line).unwrap();
let capabilities_str = cap.at(1).unwrap();
return Ok(capabilities_str.split(' ').map(|x| x.to_string()).collect());
}
}
Err(Error::Parse(ParseError::Capability(lines)))
}
pub fn parse_response_ok(lines: Vec<String>) -> Result<()> {
let ok_regex = Regex::new(r"^([a-zA-Z0-9]+) ([a-zA-Z0-9]+)(.*)").unwrap();
let last_line = lines.last().unwrap();
for cap in ok_regex.captures_iter(last_line) {
let response_type = cap.at(2).unwrap_or("");
if response_type == "OK" {
return Ok(());
}
}
Err(Error::Parse(ParseError::StatusResponse(lines.clone())))
}
pub fn parse_select_or_examine(lines: Vec<String>) -> Result<Mailbox> {
let exists_regex = Regex::new(r"^\* (\d+) EXISTS\r\n").unwrap();
let recent_regex = Regex::new(r"^\* (\d+) RECENT\r\n").unwrap();
let flags_regex = Regex::new(r"^\* FLAGS (.+)\r\n").unwrap();
let unseen_regex = Regex::new(r"^\* OK \[UNSEEN (\d+)\](.*)\r\n").unwrap();
let uid_validity_regex = Regex::new(r"^\* OK \[UIDVALIDITY (\d+)\](.*)\r\n").unwrap();
let uid_next_regex = Regex::new(r"^\* OK \[UIDNEXT (\d+)\](.*)\r\n").unwrap();
let permanent_flags_regex = Regex::new(r"^\* OK \[PERMANENTFLAGS (.+)\](.*)\r\n").unwrap();
//Check Ok
match parse_response_ok(lines.clone()) {
Ok(_) => (),
Err(e) => return Err(e)
};
let mut mailbox = Mailbox::default();
for line in lines.iter() {
if exists_regex.is_match(line) {
let cap = exists_regex.captures(line).unwrap();
mailbox.exists = cap.at(1).unwrap().parse::<u32>().unwrap();
} else if recent_regex.is_match(line) {
let cap = recent_regex.captures(line).unwrap();
mailbox.recent = cap.at(1).unwrap().parse::<u32>().unwrap();
} else if flags_regex.is_match(line) {
let cap = flags_regex.captures(line).unwrap();
mailbox.flags = cap.at(1).unwrap().to_string();
} else if unseen_regex.is_match(line) {
let cap = unseen_regex.captures(line).unwrap();
mailbox.unseen = Some(cap.at(1).unwrap().parse::<u32>().unwrap());
} else if uid_validity_regex.is_match(line) {
let cap = uid_validity_regex.captures(line).unwrap();
mailbox.uid_validity = Some(cap.at(1).unwrap().parse::<u32>().unwrap());
} else if uid_next_regex.is_match(line) {
let cap = uid_next_regex.captures(line).unwrap();
mailbox.uid_next = Some(cap.at(1).unwrap().parse::<u32>().unwrap());
} else if permanent_flags_regex.is_match(line) {
let cap = permanent_flags_regex.captures(line).unwrap();
mailbox.permanent_flags = Some(cap.at(1).unwrap().to_string());
}
}
Ok(mailbox)
}