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|
extern crate unicode_names;
use std::fmt;
use irc::client::prelude::*;
use irc::error::Error as IrcError;
use plugin::*;
struct EmojiHandle {
symbol: char,
count: i32,
}
impl fmt::Display for EmojiHandle {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let name = match unicode_names::name(self.symbol) {
Some(sym) => sym.to_string().to_lowercase(),
None => String::from("UNKNOWN"),
};
if self.count > 1 {
write!(f, "{}x {}", self.count, name)
} else {
write!(f, "{}", name)
}
}
}
#[derive(PluginName, Default, Debug)]
pub struct Emoji;
impl Emoji {
pub fn new() -> Emoji {
Emoji {}
}
fn emoji(&self, server: &IrcServer, content: &str, target: &str) -> Result<(), IrcError> {
let names = self.return_emojis(content)
.iter()
.map(|e| e.to_string())
.collect::<Vec<String>>();
server.send_privmsg(target, &names.join(", "))
}
fn return_emojis(&self, string: &str) -> Vec<EmojiHandle> {
let mut emojis: Vec<EmojiHandle> = Vec::new();
let mut current = EmojiHandle {
symbol: ' ',
count: 0,
};
for c in string.chars() {
if !self.is_emoji(&c) {
continue;
}
if current.symbol == c {
current.count += 1;
} else {
if current.count > 0 {
emojis.push(current);
}
current = EmojiHandle {
symbol: c,
count: 1,
}
}
}
if current.count > 0 {
emojis.push(current);
}
emojis
}
fn is_emoji(&self, c: &char) -> bool {
// Emoji ranges from stackoverflow:
// https://stackoverflow.com/questions/30757193/find-out-if-character-in-string-is-emoji
match *c { '\u{1F600}'...'\u{1F64F}' // Emoticons
| '\u{1F300}'...'\u{1F5FF}' // Misc Symbols and Pictographs
| '\u{1F680}'...'\u{1F6FF}' // Transport and Map
| '\u{2600}' ...'\u{26FF}' // Misc symbols
| '\u{2700}' ...'\u{27BF}' // Dingbats
| '\u{FE00}' ...'\u{FE0F}' // Variation Selectors
| '\u{1F900}'...'\u{1F9FF}' // Supplemental Symbols and Pictographs
| '\u{20D0}' ...'\u{20FF}' => true, // Combining Diacritical Marks for Symbols
_ => false,
}
}
}
impl Plugin for Emoji {
fn is_allowed(&self, _: &IrcServer, message: &Message) -> bool {
match message.command {
Command::PRIVMSG(_, _) => true,
_ => false,
}
}
fn execute(&self, server: &IrcServer, message: &Message) -> Result<(), IrcError> {
match message.command {
Command::PRIVMSG(_, ref content) => {
self.emoji(server, content, message.response_target().unwrap())
}
_ => Ok(()),
}
}
fn command(&self, server: &IrcServer, command: PluginCommand) -> Result<(), IrcError> {
server.send_notice(&command.source,
"This Plugin does not implement any commands.")
}
}
#[cfg(test)]
mod tests {}
|
