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 text: String,
}
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("tns:FooType"),
is_root,
})
}
}
impl WithDeserializer for FooType {
type Deserializer = quick_xml_deserialize::FooTypeDeserializer;
}
pub mod quick_xml_deserialize {
use core::mem::replace;
use xsd_parser_types::quick_xml::{
BytesStart, DeserializeHelper, Deserializer, DeserializerArtifact, DeserializerEvent,
DeserializerOutput, DeserializerResult, ElementHandlerOutput, Error, ErrorKind, Event,
RawByteStr, WithDeserializer,
};
#[derive(Debug)]
pub struct FooTypeDeserializer {
text: Option<String>,
state__: Box<FooTypeDeserializerState>,
}
#[derive(Debug)]
enum FooTypeDeserializerState {
Init__,
Text(Option<<String as WithDeserializer>::Deserializer>),
Done__,
Unknown__,
}
impl FooTypeDeserializer {
fn from_bytes_start(
helper: &mut DeserializeHelper,
bytes_start: &BytesStart<'_>,
) -> Result<Self, Error> {
for attrib in helper.filter_xmlns_attributes(bytes_start) {
let attrib = attrib?;
helper.raise_unexpected_attrib_checked(&attrib)?;
}
Ok(Self {
text: None,
state__: Box::new(FooTypeDeserializerState::Init__),
})
}
fn finish_state(
&mut self,
helper: &mut DeserializeHelper,
state: FooTypeDeserializerState,
) -> Result<(), Error> {
use FooTypeDeserializerState as S;
match state {
S::Text(Some(deserializer)) => self.store_text(deserializer.finish(helper)?)?,
_ => (),
}
Ok(())
}
fn store_text(&mut self, value: String) -> Result<(), Error> {
if self.text.is_some() {
Err(ErrorKind::DuplicateElement(RawByteStr::from_slice(b"Text")))?;
}
self.text = Some(value);
Ok(())
}
fn handle_text<'de>(
&mut self,
helper: &mut DeserializeHelper,
output: DeserializerOutput<'de, String>,
fallback: &mut Option<FooTypeDeserializerState>,
) -> Result<ElementHandlerOutput<'de>, Error> {
use FooTypeDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
if artifact.is_none() {
fallback.get_or_insert(S::Text(None));
if matches!(&fallback, Some(S::Init__)) {
return Ok(ElementHandlerOutput::break_(event, allow_any));
} else {
return Ok(ElementHandlerOutput::return_to_root(event, allow_any));
}
}
if let Some(fallback) = fallback.take() {
self.finish_state(helper, fallback)?;
}
match artifact {
DeserializerArtifact::None => unreachable!(),
DeserializerArtifact::Data(data) => {
self.store_text(data)?;
*self.state__ = S::Done__;
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
DeserializerArtifact::Deserializer(deserializer) => {
fallback.get_or_insert(S::Text(Some(deserializer)));
*self.state__ = S::Done__;
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
}
}
}
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> {
use FooTypeDeserializerState as S;
let mut event = event;
let mut fallback = None;
let mut allow_any_element = false;
let (event, allow_any) = loop {
let state = replace(&mut *self.state__, S::Unknown__);
event = match (state, event) {
(S::Unknown__, _) => unreachable!(),
(S::Text(Some(deserializer)), event) => {
let output = deserializer.next(helper, event)?;
match self.handle_text(helper, output, &mut fallback)? {
ElementHandlerOutput::Continue { event, allow_any } => {
allow_any_element = allow_any_element || allow_any;
event
}
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
}
}
(_, Event::End(_)) => {
if let Some(fallback) = fallback.take() {
self.finish_state(helper, fallback)?;
}
return Ok(DeserializerOutput {
artifact: DeserializerArtifact::Data(self.finish(helper)?),
event: DeserializerEvent::None,
allow_any: false,
});
}
(S::Init__, event) => {
fallback.get_or_insert(S::Init__);
*self.state__ = S::Text(None);
event
}
(S::Text(None), event @ (Event::Start(_) | Event::Empty(_))) => {
let output = helper.init_start_tag_deserializer(
event,
Some(&super::NS_TNS),
b"Text",
false,
)?;
match self.handle_text(helper, output, &mut fallback)? {
ElementHandlerOutput::Continue { event, allow_any } => {
allow_any_element = allow_any_element || allow_any;
event
}
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
}
}
(S::Done__, event) => {
*self.state__ = S::Done__;
break (DeserializerEvent::Continue(event), allow_any_element);
}
(state, event) => {
*self.state__ = state;
break (DeserializerEvent::Break(event), false);
}
}
};
if let Some(fallback) = fallback {
*self.state__ = fallback;
}
Ok(DeserializerOutput {
artifact: DeserializerArtifact::Deserializer(self),
event,
allow_any,
})
}
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 {
text: helper.finish_element("Text", self.text)?,
})
}
}
}
pub mod quick_xml_serialize {
use xsd_parser_types::quick_xml::{
BytesEnd, BytesStart, Error, Event, SerializeHelper, Serializer, WithSerializer,
};
#[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__,
Text(<String as WithSerializer>::Serializer<'ser>),
End__,
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::Text(WithSerializer::serializer(
&self.value.text,
Some("tns:Text"),
false,
)?);
let mut bytes = BytesStart::new(self.name);
helper.begin_ns_scope();
if self.is_root {
helper.write_xmlns(
&mut bytes,
Some(&super::PREFIX_TNS),
&super::NS_TNS,
);
}
return Ok(Some(Event::Start(bytes)));
}
FooTypeSerializerState::Text(x) => match x.next(helper).transpose()? {
Some(event) => return Ok(Some(event)),
None => *self.state = FooTypeSerializerState::End__,
},
FooTypeSerializerState::End__ => {
*self.state = FooTypeSerializerState::Done__;
helper.end_ns_scope();
return Ok(Some(Event::End(BytesEnd::new(self.name))));
}
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))
}
}
}
}
}