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Merge pull request #492 from hyperium/header-macro-example

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fix(header): make test_module of header! optional
This commit is contained in:
Sean McArthur
2015-05-01 14:27:55 -07:00
parent 1426a4ce34 a5ce9c59fa
commit 6d7ae81e36
2 changed files with 66 additions and 40 deletions
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13
examples/headers.rs Normal file
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@@ -0,0 +1,13 @@
#![deny(warnings)]
#[macro_use]
// TODO: only import header!, blocked by https://github.com/rust-lang/rust/issues/25003
extern crate hyper;
// A header in the form of `X-Foo: some random string`
header! {
(Foo, "X-Foo") => [String]
}
fn main() {
}

93
src/header/common/mod.rs
View File

@@ -96,6 +96,21 @@ macro_rules! deref(
}
);
macro_rules! tm {
($id:ident, $tm:ident{$($tf:item)*}) => {
#[allow(unused_imports)]
mod $tm{
use std::str;
use $crate::header::*;
use $crate::mime::*;
use $crate::method::Method;
use super::$id as HeaderField;
$($tf)*
}
}
}
#[macro_export]
macro_rules! test_header {
($id:ident, $raw:expr) => {
@@ -136,7 +151,7 @@ macro_rules! header {
// $nn:expr: Nice name of the header
// List header, zero or more items
($(#[$a:meta])*($id:ident, $n:expr) => ($item:ty)* $tm:ident{$($tf:item)*}) => {
($(#[$a:meta])*($id:ident, $n:expr) => ($item:ty)*) => {
$(#[$a])*
#[derive(Clone, Debug, PartialEq)]
pub struct $id(pub Vec<$item>);
@@ -160,19 +175,9 @@ macro_rules! header {
self.fmt_header(f)
}
}
#[allow(unused_imports)]
mod $tm{
use std::str;
use $crate::header::*;
use $crate::mime::*;
use $crate::method::Method;
use super::$id as HeaderField;
$($tf)*
}
};
// List header, one or more items
($(#[$a:meta])*($id:ident, $n:expr) => ($item:ty)+ $tm:ident{$($tf:item)*}) => {
($(#[$a:meta])*($id:ident, $n:expr) => ($item:ty)+) => {
$(#[$a])*
#[derive(Clone, Debug, PartialEq)]
pub struct $id(pub Vec<$item>);
@@ -196,18 +201,9 @@ macro_rules! header {
self.fmt_header(f)
}
}
#[allow(unused_imports)]
mod $tm{
use std::str;
use $crate::header::*;
use $crate::mime::*;
use $crate::method::Method;
use super::$id as HeaderField;
$($tf)*
}
};
// Single value header
($(#[$a:meta])*($id:ident, $n:expr) => [$value:ty] $tm:ident{$($tf:item)*}) => {
($(#[$a:meta])*($id:ident, $n:expr) => [$value:ty]) => {
$(#[$a])*
#[derive(Clone, Debug, PartialEq)]
pub struct $id(pub $value);
@@ -230,18 +226,9 @@ macro_rules! header {
::std::fmt::Display::fmt(&**self, f)
}
}
#[allow(unused_imports)]
mod $tm{
use std::str;
use $crate::header::*;
use $crate::mime::*;
use $crate::method::Method;
use super::$id as HeaderField;
$($tf)*
}
};
// List header, one or more items with "*" option
($(#[$a:meta])*($id:ident, $n:expr) => {Any / ($item:ty)+} $tm:ident{$($tf:item)*}) => {
($(#[$a:meta])*($id:ident, $n:expr) => {Any / ($item:ty)+}) => {
$(#[$a])*
#[derive(Clone, Debug, PartialEq)]
pub enum $id {
@@ -280,18 +267,44 @@ macro_rules! header {
self.fmt_header(f)
}
}
#[allow(unused_imports)]
mod $tm{
use std::str;
use $crate::header::*;
use $crate::mime::*;
use $crate::method::Method;
use super::$id as HeaderField;
$($tf)*
};
// optional test module
($(#[$a:meta])*($id:ident, $n:expr) => ($item:ty)* $tm:ident{$($tf:item)*}) => {
header! {
$(#[$a])*
($id, $n) => ($item)*
}
tm! { $id, $tm { $($tf)* }}
};
($(#[$a:meta])*($id:ident, $n:expr) => ($item:ty)+ $tm:ident{$($tf:item)*}) => {
header! {
$(#[$a])*
($id, $n) => ($item)+
}
tm! { $id, $tm { $($tf)* }}
};
($(#[$a:meta])*($id:ident, $n:expr) => [$item:ty] $tm:ident{$($tf:item)*}) => {
header! {
$(#[$a])*
($id, $n) => [$item]
}
tm! { $id, $tm { $($tf)* }}
};
($(#[$a:meta])*($id:ident, $n:expr) => {Any / ($item:ty)+} $tm:ident{$($tf:item)*}) => {
header! {
$(#[$a])*
($id, $n) => {Any / ($item)+}
}
tm! { $id, $tm { $($tf)* }}
};
}
mod accept;
mod access_control_allow_headers;
mod access_control_allow_methods;