/rust/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.4.1/src/util/mod.rs

Source
use http::HeaderValue;

use crate::Error;

//pub use self::charset::Charset;
//pub use self::encoding::Encoding;
pub(crate) use self::entity::{EntityTag, EntityTagRange};
pub(crate) use self::flat_csv::{FlatCsv, SemiColon};
pub(crate) use self::fmt::fmt;
pub(crate) use self::http_date::HttpDate;
pub(crate) use self::iter::IterExt;
//pub use language_tags::LanguageTag;
//pub use self::quality_value::{Quality, QualityValue};
pub(crate) use self::seconds::Seconds;
pub(crate) use self::value_string::HeaderValueString;

//mod charset;
pub(crate) mod csv;
//mod encoding;
mod entity;
mod flat_csv;
mod fmt;
mod http_date;
mod iter;
//mod quality_value;
mod seconds;
mod value_string;

macro_rules! error_type {
    ($name:ident) => {
        #[doc(hidden)]
        pub struct $name {
            _inner: (),
        }

        impl ::std::fmt::Debug for $name {
            fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
                f.debug_struct(stringify!($name)).finish()
            }
        }

        impl ::std::fmt::Display for $name {
            fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
                f.write_str(stringify!($name))
            }
        }

        impl ::std::error::Error for $name {}
    };
}

macro_rules! derive_header {
    ($type:ident(_), name: $name:ident) => {
        impl crate::Header for $type {
            fn name() -> &'static ::http::header::HeaderName {
                &::http::header::$name
            }

            fn decode<'i, I>(values: &mut I) -> Result<Self, crate::Error>
            where
                I: Iterator<Item = &'i ::http::header::HeaderValue>,
            {
                crate::util::TryFromValues::try_from_values(values).map($type)
            }

            fn encode<E: Extend<crate::HeaderValue>>(&self, values: &mut E) {
                values.extend(::std::iter::once((&self.0).into()));
            }
        }
    };
}

/// A helper trait for use when deriving `Header`.
pub(crate) trait TryFromValues: Sized {
    /// Try to convert from the values into an instance of `Self`.
    fn try_from_values<'i, I>(values: &mut I) -> Result<Self, Error>
    where
        Self: Sized,
        I: Iterator<Item = &'i HeaderValue>;
}

impl TryFromValues for HeaderValue {
    fn try_from_values<'i, I>(values: &mut I) -> Result<Self, Error>
    where
        I: Iterator<Item = &'i HeaderValue>,
    {
        values.next().cloned().ok_or_else(Error::invalid)
    }
}

Line	Count	Source
1		use http::HeaderValue;
2
3		use crate::Error;
4
5		//pub use self::charset::Charset;
6		//pub use self::encoding::Encoding;
7		pub(crate) use self::entity::{EntityTag, EntityTagRange};
8		pub(crate) use self::flat_csv::{FlatCsv, SemiColon};
9		pub(crate) use self::fmt::fmt;
10		pub(crate) use self::http_date::HttpDate;
11		pub(crate) use self::iter::IterExt;
12		//pub use language_tags::LanguageTag;
13		//pub use self::quality_value::{Quality, QualityValue};
14		pub(crate) use self::seconds::Seconds;
15		pub(crate) use self::value_string::HeaderValueString;
16
17		//mod charset;
18		pub(crate) mod csv;
19		//mod encoding;
20		mod entity;
21		mod flat_csv;
22		mod fmt;
23		mod http_date;
24		mod iter;
25		//mod quality_value;
26		mod seconds;
27		mod value_string;
28
29		macro_rules! error_type {
30		($name:ident) => {
31		#[doc(hidden)]
32		pub struct $name {
33		_inner: (),
34		}
35
36		impl ::std::fmt::Debug for $name {
37	0	fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
38	0	f.debug_struct(stringify!($name)).finish()
39	0	} Unexecuted instantiation: <headers::common::content_range::InvalidContentRange as core::fmt::Debug>::fmt Unexecuted instantiation: <headers::common::etag::InvalidETag as core::fmt::Debug>::fmt Unexecuted instantiation: <headers::common::server::InvalidServer as core::fmt::Debug>::fmt Unexecuted instantiation: <headers::common::range::InvalidRange as core::fmt::Debug>::fmt Unexecuted instantiation: <headers::common::origin::InvalidOrigin as core::fmt::Debug>::fmt Unexecuted instantiation: <headers::common::authorization::InvalidBearerToken as core::fmt::Debug>::fmt Unexecuted instantiation: <headers::common::referer::InvalidReferer as core::fmt::Debug>::fmt Unexecuted instantiation: <headers::common::user_agent::InvalidUserAgent as core::fmt::Debug>::fmt
40		}
41
42		impl ::std::fmt::Display for $name {
43	0	fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
44	0	f.write_str(stringify!($name))
45	0	} Unexecuted instantiation: <headers::common::content_range::InvalidContentRange as core::fmt::Display>::fmt Unexecuted instantiation: <headers::common::etag::InvalidETag as core::fmt::Display>::fmt Unexecuted instantiation: <headers::common::server::InvalidServer as core::fmt::Display>::fmt Unexecuted instantiation: <headers::common::range::InvalidRange as core::fmt::Display>::fmt Unexecuted instantiation: <headers::common::origin::InvalidOrigin as core::fmt::Display>::fmt Unexecuted instantiation: <headers::common::authorization::InvalidBearerToken as core::fmt::Display>::fmt Unexecuted instantiation: <headers::common::referer::InvalidReferer as core::fmt::Display>::fmt Unexecuted instantiation: <headers::common::user_agent::InvalidUserAgent as core::fmt::Display>::fmt
46		}
47
48		impl ::std::error::Error for $name {}
49		};
50		}
51
52		macro_rules! derive_header {
53		($type:ident(_), name: $name:ident) => {
54		impl crate::Header for $type {
55	0	fn name() -> &'static ::http::header::HeaderName {
56	0	&::http::header::$name
57	0	} Unexecuted instantiation: <headers::common::transfer_encoding::TransferEncoding as headers_core::Header>::name Unexecuted instantiation: <headers::common::cookie::Cookie as headers_core::Header>::name Unexecuted instantiation: <headers::common::connection::Connection as headers_core::Header>::name Unexecuted instantiation: <headers::common::access_control_expose_headers::AccessControlExposeHeaders as headers_core::Header>::name Unexecuted instantiation: <headers::common::access_control_request_headers::AccessControlRequestHeaders as headers_core::Header>::name Unexecuted instantiation: <headers::common::location::Location as headers_core::Header>::name Unexecuted instantiation: <headers::common::upgrade::Upgrade as headers_core::Header>::name Unexecuted instantiation: <headers::common::if_none_match::IfNoneMatch as headers_core::Header>::name Unexecuted instantiation: <headers::common::access_control_allow_headers::AccessControlAllowHeaders as headers_core::Header>::name Unexecuted instantiation: <headers::common::sec_websocket_accept::SecWebsocketAccept as headers_core::Header>::name Unexecuted instantiation: <headers::common::etag::ETag as headers_core::Header>::name Unexecuted instantiation: <headers::common::server::Server as headers_core::Header>::name Unexecuted instantiation: <headers::common::expires::Expires as headers_core::Header>::name Unexecuted instantiation: <headers::common::content_encoding::ContentEncoding as headers_core::Header>::name Unexecuted instantiation: <headers::common::vary::Vary as headers_core::Header>::name Unexecuted instantiation: <headers::common::if_match::IfMatch as headers_core::Header>::name Unexecuted instantiation: <headers::common::sec_websocket_key::SecWebsocketKey as headers_core::Header>::name Unexecuted instantiation: <headers::common::if_range::IfRange as headers_core::Header>::name Unexecuted instantiation: <headers::common::retry_after::RetryAfter as headers_core::Header>::name Unexecuted instantiation: <headers::common::referrer_policy::ReferrerPolicy as headers_core::Header>::name Unexecuted instantiation: <headers::common::access_control_max_age::AccessControlMaxAge as headers_core::Header>::name Unexecuted instantiation: <headers::common::origin::Origin as headers_core::Header>::name Unexecuted instantiation: <headers::common::last_modified::LastModified as headers_core::Header>::name Unexecuted instantiation: <headers::common::if_modified_since::IfModifiedSince as headers_core::Header>::name Unexecuted instantiation: <headers::common::if_unmodified_since::IfUnmodifiedSince as headers_core::Header>::name Unexecuted instantiation: <headers::common::age::Age as headers_core::Header>::name Unexecuted instantiation: <headers::common::content_location::ContentLocation as headers_core::Header>::name Unexecuted instantiation: <headers::common::accept_ranges::AcceptRanges as headers_core::Header>::name Unexecuted instantiation: <headers::common::te::Te as headers_core::Header>::name Unexecuted instantiation: <headers::common::pragma::Pragma as headers_core::Header>::name Unexecuted instantiation: <headers::common::access_control_allow_methods::AccessControlAllowMethods as headers_core::Header>::name Unexecuted instantiation: <headers::common::allow::Allow as headers_core::Header>::name Unexecuted instantiation: <headers::common::referer::Referer as headers_core::Header>::name Unexecuted instantiation: <headers::common::user_agent::UserAgent as headers_core::Header>::name Unexecuted instantiation: <headers::common::access_control_allow_origin::AccessControlAllowOrigin as headers_core::Header>::name Unexecuted instantiation: <headers::common::date::Date as headers_core::Header>::name
58
59	0	fn decode<'i, I>(values: &mut I) -> Result<Self, crate::Error>
60	0	where
61	0	I: Iterator<Item = &'i ::http::header::HeaderValue>,
62		{
63	0	crate::util::TryFromValues::try_from_values(values).map($type)
64	0	} Unexecuted instantiation: <headers::common::content_encoding::ContentEncoding as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::transfer_encoding::TransferEncoding as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::cookie::Cookie as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::connection::Connection as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::content_location::ContentLocation as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::access_control_expose_headers::AccessControlExposeHeaders as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::access_control_request_headers::AccessControlRequestHeaders as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::location::Location as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::accept_ranges::AcceptRanges as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::te::Te as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::pragma::Pragma as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::upgrade::Upgrade as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::if_none_match::IfNoneMatch as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::access_control_allow_headers::AccessControlAllowHeaders as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::access_control_allow_methods::AccessControlAllowMethods as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::vary::Vary as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::allow::Allow as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::if_match::IfMatch as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::sec_websocket_key::SecWebsocketKey as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::sec_websocket_accept::SecWebsocketAccept as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::etag::ETag as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::referer::Referer as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::if_range::IfRange as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::retry_after::RetryAfter as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::referrer_policy::ReferrerPolicy as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::access_control_max_age::AccessControlMaxAge as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::user_agent::UserAgent as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::access_control_allow_origin::AccessControlAllowOrigin as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::origin::Origin as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::server::Server as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::last_modified::LastModified as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::date::Date as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::expires::Expires as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::if_modified_since::IfModifiedSince as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::if_unmodified_since::IfUnmodifiedSince as headers_core::Header>::decode::<_> Unexecuted instantiation: <headers::common::age::Age as headers_core::Header>::decode::<_>
65
66	0	fn encode<E: Extend<crate::HeaderValue>>(&self, values: &mut E) {
67	0	values.extend(::std::iter::once((&self.0).into()));
68	0	} Unexecuted instantiation: <headers::common::content_encoding::ContentEncoding as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::transfer_encoding::TransferEncoding as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::cookie::Cookie as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::connection::Connection as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::content_location::ContentLocation as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::access_control_expose_headers::AccessControlExposeHeaders as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::access_control_request_headers::AccessControlRequestHeaders as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::location::Location as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::accept_ranges::AcceptRanges as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::te::Te as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::pragma::Pragma as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::upgrade::Upgrade as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::if_none_match::IfNoneMatch as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::access_control_allow_headers::AccessControlAllowHeaders as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::access_control_allow_methods::AccessControlAllowMethods as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::vary::Vary as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::allow::Allow as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::if_match::IfMatch as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::sec_websocket_key::SecWebsocketKey as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::sec_websocket_accept::SecWebsocketAccept as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::etag::ETag as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::referer::Referer as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::if_range::IfRange as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::retry_after::RetryAfter as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::referrer_policy::ReferrerPolicy as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::access_control_max_age::AccessControlMaxAge as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::user_agent::UserAgent as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::access_control_allow_origin::AccessControlAllowOrigin as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::origin::Origin as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::server::Server as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::last_modified::LastModified as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::date::Date as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::expires::Expires as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::if_modified_since::IfModifiedSince as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::if_unmodified_since::IfUnmodifiedSince as headers_core::Header>::encode::<_> Unexecuted instantiation: <headers::common::age::Age as headers_core::Header>::encode::<_>
69		}
70		};
71		}
72
73		/// A helper trait for use when deriving `Header`.
74		pub(crate) trait TryFromValues: Sized {
75		/// Try to convert from the values into an instance of `Self`.
76		fn try_from_values<'i, I>(values: &mut I) -> Result<Self, Error>
77		where
78		Self: Sized,
79		I: Iterator<Item = &'i HeaderValue>;
80		}
81
82		impl TryFromValues for HeaderValue {
83	0	fn try_from_values<'i, I>(values: &mut I) -> Result<Self, Error>
84	0	where
85	0	I: Iterator<Item = &'i HeaderValue>,
86		{
87	0	values.next().cloned().ok_or_else(Error::invalid)
88	0	}
89		}

Coverage Report

Created: 2026-03-23 07:13