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Fix mentions containing underscores 

Fix #338
This commit is contained in:
Trinity Pointard 2018-12-12 10:50:55 +01:00
parent fcbaf6eee3
commit 2870642cfa
1 changed files with 27 additions and 4 deletions
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31
plume-common/src/utils.rs
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@ -5,13 +5,14 @@ use rocket::{
http::uri::Uri,
response::{Redirect, Flash}
};
use std::borrow::Cow;
use std::collections::HashSet;
/// Generates an hexadecimal representation of 32 bytes of random data
pub fn random_hex() -> String {
let mut bytes = [0; 32];
rand_bytes(&mut bytes).expect("Error while generating client id");
bytes.into_iter().fold(String::new(), |res, byte| format!("{}{:x}", res, byte))
bytes.iter().fold(String::new(), |res, byte| format!("{}{:x}", res, byte))
}
/// Remove non alphanumeric characters and CamelCase a string
@ -43,12 +44,33 @@ enum State {
pub fn md_to_html(md: &str) -> (String, HashSet<String>, HashSet<String>) {
let parser = Parser::new_ext(md, Options::all());
let (parser, mentions, hashtags): (Vec<Event>, Vec<String>, Vec<String>) = parser.map(|evt| match evt {
let (parser, mentions, hashtags): (Vec<Event>, Vec<String>, Vec<String>) = parser
.scan(None, |state: &mut Option<String>, evt|{
let (s, res) = match evt {
Event::Text(txt) => match state.take() {
Some(mut prev_txt) => {
prev_txt.push_str(&txt);
(Some(prev_txt), vec![])
},
None => {
(Some(txt.into_owned()), vec![])
}
},
e => match state.take() {
Some(prev) => (None, vec![Event::Text(Cow::Owned(prev)), e]),
None => (None, vec![e]),
}
};
*state = s;
Some(res)
})
.flat_map(|v| v.into_iter())
.map(|evt| match evt {
Event::Text(txt) => {
let (evts, _, _, _, new_mentions, new_hashtags) = txt.chars().fold((vec![], State::Ready, String::new(), 0, vec![], vec![]), |(mut events, state, mut text_acc, n, mut mentions, mut hashtags), c| {
match state {
State::Mention => {
let char_matches = c.is_alphanumeric() || c == '@' || c == '.' || c == '-' || c == '_';
let char_matches = c.is_alphanumeric() || "@.-_".contains(c);
if char_matches && (n < (txt.chars().count() - 1)) {
text_acc.push(c);
(events, State::Mention, text_acc, n + 1, mentions, hashtags)
@ -69,7 +91,7 @@ pub fn md_to_html(md: &str) -> (String, HashSet<String>, HashSet<String>) {
}
}
State::Hashtag => {
let char_matches = c.is_alphanumeric();
let char_matches = c.is_alphanumeric() || "-_".contains(c);
if char_matches && (n < (txt.chars().count() -1)) {
text_acc.push(c);
(events, State::Hashtag, text_acc, n+1, mentions, hashtags)
@ -161,6 +183,7 @@ mod tests {
("between parenthesis (@test)", vec!["test"]),
("with some punctuation @test!", vec!["test"]),
(" @spaces ", vec!["spaces"]),
("@is_a@mention", vec!["is_a@mention"]),
("not_a@mention", vec![]),
];