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//! A set of macros for easily working with internals.
#[cfg(feature = "http")]
macro_rules! request {
($route:expr, $method:ident($body:expr), $url:expr, $($rest:tt)*) => {{
let client = request_client!();
request($route, || client
.$method(&format!(api!($url), $($rest)*))
.body(&$body))?
}};
($route:expr, $method:ident($body:expr), $url:expr) => {{
let client = request_client!();
request($route, || client
.$method(api!($url))
.body(&$body))?
}};
($route:expr, $method:ident, $url:expr, $($rest:tt)*) => {{
let client = request_client!();
request($route, || client
.$method(&format!(api!($url), $($rest)*)))?
}};
($route:expr, $method:ident, $url:expr) => {{
let client = request_client!();
request($route, || client
.$method(api!($url)))?
}};
}
#[cfg(feature = "http")]
macro_rules! request_client {
() => {{
use hyper::net::HttpsConnector;
use hyper_native_tls::NativeTlsClient;
let tc = NativeTlsClient::new()?;
let connector = HttpsConnector::new(tc);
HyperClient::with_connector(connector)
}}
}
#[cfg(any(feature = "model", feature = "utils"))]
macro_rules! cdn {
($e:expr) => {
concat!("https://cdn.discordapp.com", $e)
};
($e:expr, $($rest:tt)*) => {
format!(cdn!($e), $($rest)*)
};
}
#[cfg(feature = "http")]
macro_rules! api {
($e:expr) => {
concat!("https://discordapp.com/api/v6", $e)
};
($e:expr, $($rest:tt)*) => {
format!(api!($e), $($rest)*)
};
}
#[cfg(feature = "http")]
macro_rules! status {
($e:expr) => {
concat!("https://status.discordapp.com/api/v2", $e)
}
}
// Enable/disable check for cache
#[cfg(any(all(feature = "cache", any(feature = "client", feature = "model"))))]
macro_rules! feature_cache {
($enabled:block else $disabled:block) => {
{
$enabled
}
}
}
#[cfg(any(all(not(feature = "cache"), any(feature = "client", feature = "model"))))]
macro_rules! feature_cache {
($enabled:block else $disabled:block) => {
{
$disabled
}
}
}
#[cfg(all(feature = "client", not(feature = "framework")))]
macro_rules! feature_framework {
($enabled:block else $disabled:block) => {
{
$disabled
}
}
}
macro_rules! enum_number {
($name:ident { $($variant:ident, )* }) => {
impl ::serde::Serialize for $name {
fn serialize<S>(&self, serializer: S) -> ::std::result::Result<S::Ok, S::Error>
where S: ::serde::Serializer
{
// Serialize the enum as a u64.
serializer.serialize_u64(*self as u64)
}
}
impl<'de> ::serde::Deserialize<'de> for $name {
fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
where D: ::serde::Deserializer<'de>
{
struct Visitor;
impl<'de> ::serde::de::Visitor<'de> for Visitor {
type Value = $name;
fn expecting(&self, formatter: &mut ::std::fmt::Formatter)
-> ::std::fmt::Result {
formatter.write_str("positive integer")
}
fn visit_u64<E>(self, value: u64) -> ::std::result::Result<$name, E>
where E: ::serde::de::Error
{
// Rust does not come with a simple way of converting a
// number to an enum, so use a big `match`.
match value {
$( v if v == $name::$variant as u64 => Ok($name::$variant), )*
_ => Err(E::custom(
format!("unknown {} value: {}",
stringify!($name), value))),
}
}
}
// Deserialize the enum from a u64.
deserializer.deserialize_u64(Visitor)
}
}
}
}
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