Rename the xmpp-parsers directory to parsers
This doesn’t change anything to the name of the crate, just makes autocompletion easier by not sharing the same prefix as the xmpp crate.
This commit is contained in:
Emmanuel Gil Peyrot
parent
204b1f38eb
commit
9410849d7a
84 changed files with 2 additions and 2 deletions
767
parsers/src/util/macros.rs
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767
parsers/src/util/macros.rs
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@ -0,0 +1,767 @@
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// Copyright (c) 2017-2018 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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macro_rules! get_attr {
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($elem:ident, $attr:tt, $type:tt) => {
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get_attr!($elem, $attr, $type, value, value.parse()?)
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};
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($elem:ident, $attr:tt, OptionEmpty, $value:ident, $func:expr) => {
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match $elem.attr($attr) {
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Some("") => None,
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Some($value) => Some($func),
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None => None,
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}
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};
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($elem:ident, $attr:tt, Option, $value:ident, $func:expr) => {
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match $elem.attr($attr) {
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Some($value) => Some($func),
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None => None,
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}
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};
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($elem:ident, $attr:tt, Required, $value:ident, $func:expr) => {
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match $elem.attr($attr) {
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Some($value) => $func,
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None => {
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return Err(crate::util::error::Error::ParseError(concat!(
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"Required attribute '",
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$attr,
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"' missing."
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)));
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}
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}
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};
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($elem:ident, $attr:tt, RequiredNonEmpty, $value:ident, $func:expr) => {
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match $elem.attr($attr) {
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Some("") => {
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return Err(crate::util::error::Error::ParseError(concat!(
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"Required attribute '",
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$attr,
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"' must not be empty."
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)));
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}
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Some($value) => $func,
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None => {
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return Err(crate::util::error::Error::ParseError(concat!(
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"Required attribute '",
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$attr,
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"' missing."
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)));
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}
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}
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};
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($elem:ident, $attr:tt, Default, $value:ident, $func:expr) => {
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match $elem.attr($attr) {
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Some($value) => $func,
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None => ::std::default::Default::default(),
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}
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};
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}
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macro_rules! generate_attribute {
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($(#[$meta:meta])* $elem:ident, $name:tt, {$($(#[$a_meta:meta])* $a:ident => $b:tt),+,}) => (
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generate_attribute!($(#[$meta])* $elem, $name, {$($(#[$a_meta])* $a => $b),+});
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);
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($(#[$meta:meta])* $elem:ident, $name:tt, {$($(#[$a_meta:meta])* $a:ident => $b:tt),+,}, Default = $default:ident) => (
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generate_attribute!($(#[$meta])* $elem, $name, {$($(#[$a_meta])* $a => $b),+}, Default = $default);
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);
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($(#[$meta:meta])* $elem:ident, $name:tt, {$($(#[$a_meta:meta])* $a:ident => $b:tt),+}) => (
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$(#[$meta])*
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#[derive(Debug, Clone, PartialEq)]
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pub enum $elem {
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$(
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$(#[$a_meta])*
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$a
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),+
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}
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impl ::std::str::FromStr for $elem {
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type Err = crate::util::error::Error;
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fn from_str(s: &str) -> Result<$elem, crate::util::error::Error> {
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Ok(match s {
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$($b => $elem::$a),+,
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_ => return Err(crate::util::error::Error::ParseError(concat!("Unknown value for '", $name, "' attribute."))),
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})
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}
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}
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impl std::fmt::Display for $elem {
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fn fmt(&self, fmt: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
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write!(fmt, "{}", match self {
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$($elem::$a => $b),+
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})
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}
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}
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impl ::minidom::IntoAttributeValue for $elem {
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fn into_attribute_value(self) -> Option<String> {
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Some(String::from(match self {
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$($elem::$a => $b),+
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}))
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}
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}
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);
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($(#[$meta:meta])* $elem:ident, $name:tt, {$($(#[$a_meta:meta])* $a:ident => $b:tt),+}, Default = $default:ident) => (
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$(#[$meta])*
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#[derive(Debug, Clone, PartialEq)]
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pub enum $elem {
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$(
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$(#[$a_meta])*
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$a
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),+
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}
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impl ::std::str::FromStr for $elem {
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type Err = crate::util::error::Error;
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fn from_str(s: &str) -> Result<$elem, crate::util::error::Error> {
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Ok(match s {
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$($b => $elem::$a),+,
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_ => return Err(crate::util::error::Error::ParseError(concat!("Unknown value for '", $name, "' attribute."))),
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})
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}
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}
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impl ::minidom::IntoAttributeValue for $elem {
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#[allow(unreachable_patterns)]
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fn into_attribute_value(self) -> Option<String> {
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Some(String::from(match self {
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$elem::$default => return None,
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$($elem::$a => $b),+
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}))
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}
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}
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impl ::std::default::Default for $elem {
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fn default() -> $elem {
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$elem::$default
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}
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}
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);
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($(#[$meta:meta])* $elem:ident, $name:tt, ($(#[$meta_symbol:meta])* $symbol:ident => $value:tt)) => (
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$(#[$meta])*
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#[derive(Debug, Clone, PartialEq)]
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pub enum $elem {
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$(#[$meta_symbol])*
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$symbol,
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/// Value when absent.
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None,
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}
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impl ::std::str::FromStr for $elem {
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type Err = crate::util::error::Error;
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fn from_str(s: &str) -> Result<Self, crate::util::error::Error> {
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Ok(match s {
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$value => $elem::$symbol,
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_ => return Err(crate::util::error::Error::ParseError(concat!("Unknown value for '", $name, "' attribute."))),
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})
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}
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}
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impl ::minidom::IntoAttributeValue for $elem {
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fn into_attribute_value(self) -> Option<String> {
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match self {
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$elem::$symbol => Some(String::from($value)),
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$elem::None => None
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}
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}
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}
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impl ::std::default::Default for $elem {
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fn default() -> $elem {
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$elem::None
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}
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}
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);
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($(#[$meta:meta])* $elem:ident, $name:tt, bool) => (
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$(#[$meta])*
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#[derive(Debug, Clone, PartialEq)]
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pub enum $elem {
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/// True value, represented by either 'true' or '1'.
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True,
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/// False value, represented by either 'false' or '0'.
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False,
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}
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impl ::std::str::FromStr for $elem {
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type Err = crate::util::error::Error;
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fn from_str(s: &str) -> Result<Self, crate::util::error::Error> {
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Ok(match s {
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"true" | "1" => $elem::True,
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"false" | "0" => $elem::False,
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_ => return Err(crate::util::error::Error::ParseError(concat!("Unknown value for '", $name, "' attribute."))),
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})
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}
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}
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impl ::minidom::IntoAttributeValue for $elem {
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fn into_attribute_value(self) -> Option<String> {
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match self {
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$elem::True => Some(String::from("true")),
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$elem::False => None
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}
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}
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}
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impl ::std::default::Default for $elem {
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fn default() -> $elem {
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$elem::False
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}
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}
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);
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($(#[$meta:meta])* $elem:ident, $name:tt, $type:tt, Default = $default:expr) => (
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$(#[$meta])*
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#[derive(Debug, Clone, PartialEq)]
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pub struct $elem(pub $type);
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impl ::std::str::FromStr for $elem {
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type Err = crate::util::error::Error;
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fn from_str(s: &str) -> Result<Self, crate::util::error::Error> {
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Ok($elem($type::from_str(s)?))
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}
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}
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impl ::minidom::IntoAttributeValue for $elem {
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fn into_attribute_value(self) -> Option<String> {
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match self {
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$elem($default) => None,
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$elem(value) => Some(format!("{}", value)),
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}
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}
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}
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impl ::std::default::Default for $elem {
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fn default() -> $elem {
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$elem($default)
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}
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}
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);
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}
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macro_rules! generate_element_enum {
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($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, {$($(#[$enum_meta:meta])* $enum:ident => $enum_name:tt),+,}) => (
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generate_element_enum!($(#[$meta])* $elem, $name, $ns, {$($(#[$enum_meta])* $enum => $enum_name),+});
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);
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($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, {$($(#[$enum_meta:meta])* $enum:ident => $enum_name:tt),+}) => (
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$(#[$meta])*
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#[derive(Debug, Clone, PartialEq)]
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pub enum $elem {
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$(
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$(#[$enum_meta])*
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$enum
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),+
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}
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impl ::std::convert::TryFrom<crate::Element> for $elem {
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type Error = crate::util::error::Error;
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fn try_from(elem: crate::Element) -> Result<$elem, crate::util::error::Error> {
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check_ns_only!(elem, $name, $ns);
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check_no_children!(elem, $name);
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check_no_attributes!(elem, $name);
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Ok(match elem.name() {
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$($enum_name => $elem::$enum,)+
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_ => return Err(crate::util::error::Error::ParseError(concat!("This is not a ", $name, " element."))),
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})
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}
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}
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impl From<$elem> for crate::Element {
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fn from(elem: $elem) -> crate::Element {
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crate::Element::builder(
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match elem {
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$($elem::$enum => $enum_name,)+
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},
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crate::ns::$ns,
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)
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.build()
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}
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}
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);
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}
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macro_rules! generate_attribute_enum {
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($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, $attr:tt, {$($(#[$enum_meta:meta])* $enum:ident => $enum_name:tt),+,}) => (
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generate_attribute_enum!($(#[$meta])* $elem, $name, $ns, $attr, {$($(#[$enum_meta])* $enum => $enum_name),+});
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);
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($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, $attr:tt, {$($(#[$enum_meta:meta])* $enum:ident => $enum_name:tt),+}) => (
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$(#[$meta])*
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#[derive(Debug, Clone, PartialEq)]
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pub enum $elem {
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$(
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$(#[$enum_meta])*
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$enum
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),+
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}
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impl ::std::convert::TryFrom<crate::Element> for $elem {
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type Error = crate::util::error::Error;
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fn try_from(elem: crate::Element) -> Result<$elem, crate::util::error::Error> {
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check_ns_only!(elem, $name, $ns);
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check_no_children!(elem, $name);
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check_no_unknown_attributes!(elem, $name, [$attr]);
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Ok(match get_attr!(elem, $attr, Required) {
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$($enum_name => $elem::$enum,)+
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_ => return Err(crate::util::error::Error::ParseError(concat!("Invalid ", $name, " ", $attr, " value."))),
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})
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}
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}
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impl From<$elem> for crate::Element {
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fn from(elem: $elem) -> crate::Element {
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crate::Element::builder($name, crate::ns::$ns)
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.attr($attr, match elem {
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$($elem::$enum => $enum_name,)+
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})
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.build()
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}
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}
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);
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}
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macro_rules! check_self {
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($elem:ident, $name:tt, $ns:ident) => {
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check_self!($elem, $name, $ns, $name);
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};
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($elem:ident, $name:tt, $ns:ident, $pretty_name:tt) => {
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if !$elem.is($name, crate::ns::$ns) {
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return Err(crate::util::error::Error::ParseError(concat!(
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"This is not a ",
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$pretty_name,
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" element."
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)));
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}
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};
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}
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macro_rules! check_ns_only {
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($elem:ident, $name:tt, $ns:ident) => {
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if !$elem.has_ns(crate::ns::$ns) {
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return Err(crate::util::error::Error::ParseError(concat!(
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"This is not a ",
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$name,
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" element."
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)));
|
||||
}
|
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};
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}
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|
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macro_rules! check_no_children {
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($elem:ident, $name:tt) => {
|
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#[cfg(not(feature = "disable-validation"))]
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for _ in $elem.children() {
|
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return Err(crate::util::error::Error::ParseError(concat!(
|
||||
"Unknown child in ",
|
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$name,
|
||||
" element."
|
||||
)));
|
||||
}
|
||||
};
|
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}
|
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|
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macro_rules! check_no_attributes {
|
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($elem:ident, $name:tt) => {
|
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#[cfg(not(feature = "disable-validation"))]
|
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for _ in $elem.attrs() {
|
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return Err(crate::util::error::Error::ParseError(concat!(
|
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"Unknown attribute in ",
|
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$name,
|
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" element."
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)));
|
||||
}
|
||||
};
|
||||
}
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|
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macro_rules! check_no_unknown_attributes {
|
||||
($elem:ident, $name:tt, [$($attr:tt),*]) => (
|
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#[cfg(not(feature = "disable-validation"))]
|
||||
for (_attr, _) in $elem.attrs() {
|
||||
$(
|
||||
if _attr == $attr {
|
||||
continue;
|
||||
}
|
||||
)*
|
||||
return Err(crate::util::error::Error::ParseError(concat!("Unknown attribute in ", $name, " element.")));
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
macro_rules! generate_empty_element {
|
||||
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident) => (
|
||||
$(#[$meta])*
|
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#[derive(Debug, Clone, PartialEq)]
|
||||
pub struct $elem;
|
||||
|
||||
impl ::std::convert::TryFrom<crate::Element> for $elem {
|
||||
type Error = crate::util::error::Error;
|
||||
|
||||
fn try_from(elem: crate::Element) -> Result<$elem, crate::util::error::Error> {
|
||||
check_self!(elem, $name, $ns);
|
||||
check_no_children!(elem, $name);
|
||||
check_no_attributes!(elem, $name);
|
||||
Ok($elem)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<$elem> for crate::Element {
|
||||
fn from(_: $elem) -> crate::Element {
|
||||
crate::Element::builder($name, crate::ns::$ns)
|
||||
.build()
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
macro_rules! generate_id {
|
||||
($(#[$meta:meta])* $elem:ident) => (
|
||||
$(#[$meta])*
|
||||
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
|
||||
pub struct $elem(pub String);
|
||||
impl ::std::str::FromStr for $elem {
|
||||
type Err = crate::util::error::Error;
|
||||
fn from_str(s: &str) -> Result<$elem, crate::util::error::Error> {
|
||||
// TODO: add a way to parse that differently when needed.
|
||||
Ok($elem(String::from(s)))
|
||||
}
|
||||
}
|
||||
impl ::minidom::IntoAttributeValue for $elem {
|
||||
fn into_attribute_value(self) -> Option<String> {
|
||||
Some(self.0)
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
macro_rules! generate_elem_id {
|
||||
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident) => (
|
||||
generate_elem_id!($(#[$meta])* $elem, $name, $ns, String);
|
||||
impl ::std::str::FromStr for $elem {
|
||||
type Err = crate::util::error::Error;
|
||||
fn from_str(s: &str) -> Result<$elem, crate::util::error::Error> {
|
||||
// TODO: add a way to parse that differently when needed.
|
||||
Ok($elem(String::from(s)))
|
||||
}
|
||||
}
|
||||
);
|
||||
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, $type:ty) => (
|
||||
$(#[$meta])*
|
||||
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
|
||||
pub struct $elem(pub $type);
|
||||
impl ::std::convert::TryFrom<crate::Element> for $elem {
|
||||
type Error = crate::util::error::Error;
|
||||
fn try_from(elem: crate::Element) -> Result<$elem, crate::util::error::Error> {
|
||||
check_self!(elem, $name, $ns);
|
||||
check_no_children!(elem, $name);
|
||||
check_no_attributes!(elem, $name);
|
||||
// TODO: add a way to parse that differently when needed.
|
||||
Ok($elem(elem.text().parse()?))
|
||||
}
|
||||
}
|
||||
impl From<$elem> for crate::Element {
|
||||
fn from(elem: $elem) -> crate::Element {
|
||||
crate::Element::builder($name, crate::ns::$ns)
|
||||
.append(elem.0.to_string())
|
||||
.build()
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
macro_rules! decl_attr {
|
||||
(OptionEmpty, $type:ty) => (
|
||||
Option<$type>
|
||||
);
|
||||
(Option, $type:ty) => (
|
||||
Option<$type>
|
||||
);
|
||||
(Required, $type:ty) => (
|
||||
$type
|
||||
);
|
||||
(RequiredNonEmpty, $type:ty) => (
|
||||
$type
|
||||
);
|
||||
(Default, $type:ty) => (
|
||||
$type
|
||||
);
|
||||
}
|
||||
|
||||
macro_rules! start_decl {
|
||||
(Vec, $type:ty) => (
|
||||
Vec<$type>
|
||||
);
|
||||
(Option, $type:ty) => (
|
||||
Option<$type>
|
||||
);
|
||||
(Required, $type:ty) => (
|
||||
$type
|
||||
);
|
||||
(Present, $type:ty) => (
|
||||
bool
|
||||
);
|
||||
}
|
||||
|
||||
macro_rules! start_parse_elem {
|
||||
($temp:ident: Vec) => {
|
||||
let mut $temp = Vec::new();
|
||||
};
|
||||
($temp:ident: Option) => {
|
||||
let mut $temp = None;
|
||||
};
|
||||
($temp:ident: Required) => {
|
||||
let mut $temp = None;
|
||||
};
|
||||
($temp:ident: Present) => {
|
||||
let mut $temp = false;
|
||||
};
|
||||
}
|
||||
|
||||
macro_rules! do_parse {
|
||||
($elem:ident, Element) => {
|
||||
$elem.clone()
|
||||
};
|
||||
($elem:ident, String) => {
|
||||
$elem.text()
|
||||
};
|
||||
($elem:ident, $constructor:ident) => {
|
||||
$constructor::try_from($elem.clone())?
|
||||
};
|
||||
}
|
||||
|
||||
macro_rules! do_parse_elem {
|
||||
($temp:ident: Vec = $constructor:ident => $elem:ident, $name:tt, $parent_name:tt) => {
|
||||
$temp.push(do_parse!($elem, $constructor));
|
||||
};
|
||||
($temp:ident: Option = $constructor:ident => $elem:ident, $name:tt, $parent_name:tt) => {
|
||||
if $temp.is_some() {
|
||||
return Err(crate::util::error::Error::ParseError(concat!(
|
||||
"Element ",
|
||||
$parent_name,
|
||||
" must not have more than one ",
|
||||
$name,
|
||||
" child."
|
||||
)));
|
||||
}
|
||||
$temp = Some(do_parse!($elem, $constructor));
|
||||
};
|
||||
($temp:ident: Required = $constructor:ident => $elem:ident, $name:tt, $parent_name:tt) => {
|
||||
if $temp.is_some() {
|
||||
return Err(crate::util::error::Error::ParseError(concat!(
|
||||
"Element ",
|
||||
$parent_name,
|
||||
" must not have more than one ",
|
||||
$name,
|
||||
" child."
|
||||
)));
|
||||
}
|
||||
$temp = Some(do_parse!($elem, $constructor));
|
||||
};
|
||||
($temp:ident: Present = $constructor:ident => $elem:ident, $name:tt, $parent_name:tt) => {
|
||||
if $temp {
|
||||
return Err(crate::util::error::Error::ParseError(concat!(
|
||||
"Element ",
|
||||
$parent_name,
|
||||
" must not have more than one ",
|
||||
$name,
|
||||
" child."
|
||||
)));
|
||||
}
|
||||
$temp = true;
|
||||
};
|
||||
}
|
||||
|
||||
macro_rules! finish_parse_elem {
|
||||
($temp:ident: Vec = $name:tt, $parent_name:tt) => {
|
||||
$temp
|
||||
};
|
||||
($temp:ident: Option = $name:tt, $parent_name:tt) => {
|
||||
$temp
|
||||
};
|
||||
($temp:ident: Required = $name:tt, $parent_name:tt) => {
|
||||
$temp.ok_or(crate::util::error::Error::ParseError(concat!(
|
||||
"Missing child ",
|
||||
$name,
|
||||
" in ",
|
||||
$parent_name,
|
||||
" element."
|
||||
)))?
|
||||
};
|
||||
($temp:ident: Present = $name:tt, $parent_name:tt) => {
|
||||
$temp
|
||||
};
|
||||
}
|
||||
|
||||
macro_rules! generate_serialiser {
|
||||
($builder:ident, $parent:ident, $elem:ident, Required, String, ($name:tt, $ns:ident)) => {
|
||||
$builder.append(
|
||||
crate::Element::builder($name, crate::ns::$ns)
|
||||
.append(::minidom::Node::Text($parent.$elem)),
|
||||
)
|
||||
};
|
||||
($builder:ident, $parent:ident, $elem:ident, Option, String, ($name:tt, $ns:ident)) => {
|
||||
$builder.append_all($parent.$elem.map(|elem| {
|
||||
crate::Element::builder($name, crate::ns::$ns).append(::minidom::Node::Text(elem))
|
||||
}))
|
||||
};
|
||||
($builder:ident, $parent:ident, $elem:ident, Option, $constructor:ident, ($name:tt, *)) => {
|
||||
$builder.append_all(
|
||||
$parent
|
||||
.$elem
|
||||
.map(|elem| ::minidom::Node::Element(crate::Element::from(elem))),
|
||||
)
|
||||
};
|
||||
($builder:ident, $parent:ident, $elem:ident, Option, $constructor:ident, ($name:tt, $ns:ident)) => {
|
||||
$builder.append_all(
|
||||
$parent
|
||||
.$elem
|
||||
.map(|elem| ::minidom::Node::Element(crate::Element::from(elem))),
|
||||
)
|
||||
};
|
||||
($builder:ident, $parent:ident, $elem:ident, Vec, $constructor:ident, ($name:tt, $ns:ident)) => {
|
||||
$builder.append_all($parent.$elem.into_iter())
|
||||
};
|
||||
($builder:ident, $parent:ident, $elem:ident, Present, $constructor:ident, ($name:tt, $ns:ident)) => {
|
||||
$builder.append(::minidom::Node::Element(
|
||||
crate::Element::builder($name, crate::ns::$ns).build(),
|
||||
))
|
||||
};
|
||||
($builder:ident, $parent:ident, $elem:ident, $_:ident, $constructor:ident, ($name:tt, $ns:ident)) => {
|
||||
$builder.append(::minidom::Node::Element(crate::Element::from(
|
||||
$parent.$elem,
|
||||
)))
|
||||
};
|
||||
}
|
||||
|
||||
macro_rules! generate_child_test {
|
||||
($child:ident, $name:tt, *) => {
|
||||
$child.is($name, ::minidom::NSChoice::Any)
|
||||
};
|
||||
($child:ident, $name:tt, $ns:tt) => {
|
||||
$child.is($name, crate::ns::$ns)
|
||||
};
|
||||
}
|
||||
|
||||
macro_rules! generate_element {
|
||||
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, attributes: [$($(#[$attr_meta:meta])* $attr:ident: $attr_action:tt<$attr_type:ty> = $attr_name:tt),+,]) => (
|
||||
generate_element!($(#[$meta])* $elem, $name, $ns, attributes: [$($(#[$attr_meta])* $attr: $attr_action<$attr_type> = $attr_name),*], children: []);
|
||||
);
|
||||
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, attributes: [$($(#[$attr_meta:meta])* $attr:ident: $attr_action:tt<$attr_type:ty> = $attr_name:tt),+]) => (
|
||||
generate_element!($(#[$meta])* $elem, $name, $ns, attributes: [$($(#[$attr_meta])* $attr: $attr_action<$attr_type> = $attr_name),*], children: []);
|
||||
);
|
||||
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, children: [$($(#[$child_meta:meta])* $child_ident:ident: $coucou:tt<$child_type:ty> = ($child_name:tt, $child_ns:tt) => $child_constructor:ident),*]) => (
|
||||
generate_element!($(#[$meta])* $elem, $name, $ns, attributes: [], children: [$($(#[$child_meta])* $child_ident: $coucou<$child_type> = ($child_name, $child_ns) => $child_constructor),*]);
|
||||
);
|
||||
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, attributes: [$($(#[$attr_meta:meta])* $attr:ident: $attr_action:tt<$attr_type:ty> = $attr_name:tt),*,], children: [$($(#[$child_meta:meta])* $child_ident:ident: $coucou:tt<$child_type:ty> = ($child_name:tt, $child_ns:tt) => $child_constructor:ident),*]) => (
|
||||
generate_element!($(#[$meta])* $elem, $name, $ns, attributes: [$($(#[$attr_meta])* $attr: $attr_action<$attr_type> = $attr_name),*], children: [$($(#[$child_meta])* $child_ident: $coucou<$child_type> = ($child_name, $child_ns) => $child_constructor),*]);
|
||||
);
|
||||
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, text: ($(#[$text_meta:meta])* $text_ident:ident: $codec:ident < $text_type:ty >)) => (
|
||||
generate_element!($(#[$meta])* $elem, $name, $ns, attributes: [], children: [], text: ($(#[$text_meta])* $text_ident: $codec<$text_type>));
|
||||
);
|
||||
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, attributes: [$($(#[$attr_meta:meta])* $attr:ident: $attr_action:tt<$attr_type:ty> = $attr_name:tt),+], text: ($(#[$text_meta:meta])* $text_ident:ident: $codec:ident < $text_type:ty >)) => (
|
||||
generate_element!($(#[$meta])* $elem, $name, $ns, attributes: [$($(#[$attr_meta])* $attr: $attr_action<$attr_type> = $attr_name),*], children: [], text: ($(#[$text_meta])* $text_ident: $codec<$text_type>));
|
||||
);
|
||||
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:ident, attributes: [$($(#[$attr_meta:meta])* $attr:ident: $attr_action:tt<$attr_type:ty> = $attr_name:tt),*], children: [$($(#[$child_meta:meta])* $child_ident:ident: $coucou:tt<$child_type:ty> = ($child_name:tt, $child_ns:tt) => $child_constructor:ident),*] $(, text: ($(#[$text_meta:meta])* $text_ident:ident: $codec:ident < $text_type:ty >))*) => (
|
||||
$(#[$meta])*
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
pub struct $elem {
|
||||
$(
|
||||
$(#[$attr_meta])*
|
||||
pub $attr: decl_attr!($attr_action, $attr_type),
|
||||
)*
|
||||
$(
|
||||
$(#[$child_meta])*
|
||||
pub $child_ident: start_decl!($coucou, $child_type),
|
||||
)*
|
||||
$(
|
||||
$(#[$text_meta])*
|
||||
pub $text_ident: $text_type,
|
||||
)*
|
||||
}
|
||||
|
||||
impl ::std::convert::TryFrom<crate::Element> for $elem {
|
||||
type Error = crate::util::error::Error;
|
||||
|
||||
fn try_from(elem: crate::Element) -> Result<$elem, crate::util::error::Error> {
|
||||
check_self!(elem, $name, $ns);
|
||||
check_no_unknown_attributes!(elem, $name, [$($attr_name),*]);
|
||||
$(
|
||||
start_parse_elem!($child_ident: $coucou);
|
||||
)*
|
||||
for _child in elem.children() {
|
||||
$(
|
||||
if generate_child_test!(_child, $child_name, $child_ns) {
|
||||
do_parse_elem!($child_ident: $coucou = $child_constructor => _child, $child_name, $name);
|
||||
continue;
|
||||
}
|
||||
)*
|
||||
return Err(crate::util::error::Error::ParseError(concat!("Unknown child in ", $name, " element.")));
|
||||
}
|
||||
Ok($elem {
|
||||
$(
|
||||
$attr: get_attr!(elem, $attr_name, $attr_action),
|
||||
)*
|
||||
$(
|
||||
$child_ident: finish_parse_elem!($child_ident: $coucou = $child_name, $name),
|
||||
)*
|
||||
$(
|
||||
$text_ident: $codec::decode(&elem.text())?,
|
||||
)*
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl From<$elem> for crate::Element {
|
||||
fn from(elem: $elem) -> crate::Element {
|
||||
let mut builder = crate::Element::builder($name, crate::ns::$ns);
|
||||
$(
|
||||
builder = builder.attr($attr_name, elem.$attr);
|
||||
)*
|
||||
$(
|
||||
builder = generate_serialiser!(builder, elem, $child_ident, $coucou, $child_constructor, ($child_name, $child_ns));
|
||||
)*
|
||||
$(
|
||||
builder = builder.append_all($codec::encode(&elem.$text_ident).map(::minidom::Node::Text).into_iter());
|
||||
)*
|
||||
|
||||
builder.build()
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
macro_rules! assert_size (
|
||||
($t:ty, $sz:expr) => (
|
||||
assert_eq!(::std::mem::size_of::<$t>(), $sz);
|
||||
);
|
||||
);
|
||||
|
||||
// TODO: move that to src/pubsub/mod.rs, once we figure out how to use macros from there.
|
||||
macro_rules! impl_pubsub_item {
|
||||
($item:ident, $ns:ident) => {
|
||||
impl ::std::convert::TryFrom<crate::Element> for $item {
|
||||
type Error = Error;
|
||||
|
||||
fn try_from(elem: crate::Element) -> Result<$item, Error> {
|
||||
check_self!(elem, "item", $ns);
|
||||
check_no_unknown_attributes!(elem, "item", ["id", "publisher"]);
|
||||
let mut payloads = elem.children().cloned().collect::<Vec<_>>();
|
||||
let payload = payloads.pop();
|
||||
if !payloads.is_empty() {
|
||||
return Err(Error::ParseError(
|
||||
"More than a single payload in item element.",
|
||||
));
|
||||
}
|
||||
Ok($item(crate::pubsub::Item {
|
||||
id: get_attr!(elem, "id", Option),
|
||||
publisher: get_attr!(elem, "publisher", Option),
|
||||
payload,
|
||||
}))
|
||||
}
|
||||
}
|
||||
|
||||
impl From<$item> for crate::Element {
|
||||
fn from(item: $item) -> crate::Element {
|
||||
crate::Element::builder("item", ns::$ns)
|
||||
.attr("id", item.0.id)
|
||||
.attr("publisher", item.0.publisher)
|
||||
.append_all(item.0.payload)
|
||||
.build()
|
||||
}
|
||||
}
|
||||
|
||||
impl ::std::ops::Deref for $item {
|
||||
type Target = crate::pubsub::Item;
|
||||
|
||||
fn deref(&self) -> &Self::Target {
|
||||
&self.0
|
||||
}
|
||||
}
|
||||
|
||||
impl ::std::ops::DerefMut for $item {
|
||||
fn deref_mut(&mut self) -> &mut Self::Target {
|
||||
&mut self.0
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
Loading…
Reference in a new issue