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|
extern crate unicode_names;
use std::fmt;
use irc::client::prelude::*;
use plugin::*;
use error::FrippyError;
use error::ErrorKind as FrippyErrorKind;
use failure::Fail;
use failure::ResultExt;
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, content: &str) -> String {
self.return_emojis(content)
.iter()
.map(|e| e.to_string())
.collect::<Vec<String>>()
.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 execute(&self, client: &IrcClient, message: &Message) -> ExecutionStatus {
match message.command {
Command::PRIVMSG(_, ref content) => match client
.send_privmsg(message.response_target().unwrap(), &self.emoji(content))
{
Ok(_) => ExecutionStatus::Done,
Err(e) => ExecutionStatus::Err(e.context(FrippyErrorKind::Connection).into()),
},
_ => ExecutionStatus::Done,
}
}
fn execute_threaded(&self, _: &IrcClient, _: &Message) -> Result<(), FrippyError> {
panic!("Emoji should not use threading")
}
fn command(&self, client: &IrcClient, command: PluginCommand) -> Result<(), FrippyError> {
Ok(client
.send_notice(
&command.source,
"This Plugin does not implement any commands.",
)
.context(FrippyErrorKind::Connection)?)
}
fn evaluate(&self, _: &IrcClient, command: PluginCommand) -> Result<String, String> {
let emojis = self.emoji(&command.tokens[0]);
if emojis.is_empty() {
Ok(emojis)
} else {
Err(String::from("No emojis were found."))
}
}
}
|
