use core::num::{NonZeroIsize, NonZeroUsize};
use xsd_parser_types::{
misc::{Namespace, NamespacePrefix},
quick_xml::{Error, WithDeserializer, WithSerializer},
};
pub const NS_XS: Namespace = Namespace::new_const(b"http://www.w3.org/2001/XMLSchema");
pub const NS_XML: Namespace = Namespace::new_const(b"http://www.w3.org/XML/1998/namespace");
pub const NS_XSI: Namespace = Namespace::new_const(b"http://www.w3.org/2001/XMLSchema-instance");
pub const NS_TNS: Namespace = Namespace::new_const(b"http://example.com");
pub const PREFIX_XS: NamespacePrefix = NamespacePrefix::new_const(b"xs");
pub const PREFIX_XML: NamespacePrefix = NamespacePrefix::new_const(b"xml");
pub const PREFIX_XSI: NamespacePrefix = NamespacePrefix::new_const(b"xsi");
pub const PREFIX_TNS: NamespacePrefix = NamespacePrefix::new_const(b"tns");
pub type Foo = FooType;
#[derive(Debug)]
pub struct FooType {
pub a_int: NonZeroUsize,
pub b_int: NonZeroIsize,
}
impl WithSerializer for FooType {
type Serializer<'x> = quick_xml_serialize::FooTypeSerializer<'x>;
fn serializer<'ser>(
&'ser self,
name: Option<&'ser str>,
is_root: bool,
) -> Result<Self::Serializer<'ser>, Error> {
Ok(quick_xml_serialize::FooTypeSerializer {
value: self,
state: Box::new(quick_xml_serialize::FooTypeSerializerState::Init__),
name: name.unwrap_or("FooType"),
is_root,
})
}
}
impl WithDeserializer for FooType {
type Deserializer = quick_xml_deserialize::FooTypeDeserializer;
}
pub mod quick_xml_deserialize {
use core::{
mem::replace,
num::{NonZeroIsize, NonZeroUsize},
};
use xsd_parser_types::quick_xml::{
BytesStart, DeserializeHelper, Deserializer, DeserializerArtifact, DeserializerEvent,
DeserializerOutput, DeserializerResult, Error, ErrorKind, Event,
};
#[derive(Debug)]
pub struct FooTypeDeserializer {
a_int: NonZeroUsize,
b_int: NonZeroIsize,
state__: Box<FooTypeDeserializerState>,
}
#[derive(Debug)]
enum FooTypeDeserializerState {
Init__,
Unknown__,
}
impl FooTypeDeserializer {
fn from_bytes_start(
helper: &mut DeserializeHelper,
bytes_start: &BytesStart<'_>,
) -> Result<Self, Error> {
let mut a_int: Option<NonZeroUsize> = None;
let mut b_int: Option<NonZeroIsize> = None;
for attrib in helper.filter_xmlns_attributes(bytes_start) {
let attrib = attrib?;
if matches!(
helper.resolve_local_name(attrib.key, &super::NS_TNS),
Some(b"a-int")
) {
helper.read_attrib(&mut a_int, b"a-int", &attrib.value)?;
} else if matches!(
helper.resolve_local_name(attrib.key, &super::NS_TNS),
Some(b"b-int")
) {
helper.read_attrib(&mut b_int, b"b-int", &attrib.value)?;
} else {
helper.raise_unexpected_attrib_checked(&attrib)?;
}
}
Ok(Self {
a_int: a_int.ok_or_else(|| ErrorKind::MissingAttribute("a-int".into()))?,
b_int: b_int.ok_or_else(|| ErrorKind::MissingAttribute("b-int".into()))?,
state__: Box::new(FooTypeDeserializerState::Init__),
})
}
fn finish_state(
&mut self,
helper: &mut DeserializeHelper,
state: FooTypeDeserializerState,
) -> Result<(), Error> {
Ok(())
}
}
impl<'de> Deserializer<'de, super::FooType> for FooTypeDeserializer {
fn init(
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> DeserializerResult<'de, super::FooType> {
helper.init_deserializer_from_start_event(event, Self::from_bytes_start)
}
fn next(
mut self,
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> DeserializerResult<'de, super::FooType> {
if let Event::End(_) = &event {
Ok(DeserializerOutput {
artifact: DeserializerArtifact::Data(self.finish(helper)?),
event: DeserializerEvent::None,
allow_any: false,
})
} else {
Ok(DeserializerOutput {
artifact: DeserializerArtifact::Deserializer(self),
event: DeserializerEvent::Break(event),
allow_any: false,
})
}
}
fn finish(mut self, helper: &mut DeserializeHelper) -> Result<super::FooType, Error> {
let state = replace(&mut *self.state__, FooTypeDeserializerState::Unknown__);
self.finish_state(helper, state)?;
Ok(super::FooType {
a_int: self.a_int,
b_int: self.b_int,
})
}
}
}
pub mod quick_xml_serialize {
use xsd_parser_types::quick_xml::{BytesStart, Error, Event, SerializeHelper, Serializer};
#[derive(Debug)]
pub struct FooTypeSerializer<'ser> {
pub(super) value: &'ser super::FooType,
pub(super) state: Box<FooTypeSerializerState<'ser>>,
pub(super) name: &'ser str,
pub(super) is_root: bool,
}
#[derive(Debug)]
pub(super) enum FooTypeSerializerState<'ser> {
Init__,
Done__,
Phantom__(&'ser ()),
}
impl<'ser> FooTypeSerializer<'ser> {
fn next_event(
&mut self,
helper: &mut SerializeHelper,
) -> Result<Option<Event<'ser>>, Error> {
loop {
match &mut *self.state {
FooTypeSerializerState::Init__ => {
*self.state = FooTypeSerializerState::Done__;
let mut bytes = BytesStart::new(self.name);
helper.write_attrib(&mut bytes, "a-int", &self.value.a_int)?;
helper.write_attrib(&mut bytes, "b-int", &self.value.b_int)?;
return Ok(Some(Event::Empty(bytes)));
}
FooTypeSerializerState::Done__ => return Ok(None),
FooTypeSerializerState::Phantom__(_) => unreachable!(),
}
}
}
}
impl<'ser> Serializer<'ser> for FooTypeSerializer<'ser> {
fn next(&mut self, helper: &mut SerializeHelper) -> Option<Result<Event<'ser>, Error>> {
match self.next_event(helper) {
Ok(Some(event)) => Some(Ok(event)),
Ok(None) => None,
Err(error) => {
*self.state = FooTypeSerializerState::Done__;
Some(Err(error))
}
}
}
}
}