use xsd_parser_types::{misc::Namespace, quick_xml::WithDeserializer};
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");
#[derive(Debug)]
pub struct MyChoiceType {
pub content: MyChoiceTypeContent,
}
#[derive(Debug)]
pub enum MyChoiceTypeContent {
Once(i32),
Optional(Option<i32>),
OnceSpecify(i32),
TwiceOrMore(Vec<i32>),
}
impl WithDeserializer for MyChoiceType {
type Deserializer = quick_xml_deserialize::MyChoiceTypeDeserializer;
}
impl WithDeserializer for MyChoiceTypeContent {
type Deserializer = quick_xml_deserialize::MyChoiceTypeContentDeserializer;
}
#[derive(Debug)]
pub struct MySequenceType {
pub once: i32,
pub optional: Option<i32>,
pub once_specify: i32,
pub twice_or_more: Vec<i32>,
}
impl WithDeserializer for MySequenceType {
type Deserializer = quick_xml_deserialize::MySequenceTypeDeserializer;
}
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 MyChoiceTypeDeserializer {
content: Option<super::MyChoiceTypeContent>,
state__: Box<MyChoiceTypeDeserializerState>,
}
#[derive(Debug)]
enum MyChoiceTypeDeserializerState {
Init__,
Next__,
Content__(<super::MyChoiceTypeContent as WithDeserializer>::Deserializer),
Unknown__,
}
impl MyChoiceTypeDeserializer {
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 {
content: None,
state__: Box::new(MyChoiceTypeDeserializerState::Init__),
})
}
fn finish_state(
&mut self,
helper: &mut DeserializeHelper,
state: MyChoiceTypeDeserializerState,
) -> Result<(), Error> {
if let MyChoiceTypeDeserializerState::Content__(deserializer) = state {
self.store_content(deserializer.finish(helper)?)?;
}
Ok(())
}
fn store_content(&mut self, value: super::MyChoiceTypeContent) -> Result<(), Error> {
if self.content.is_some() {
Err(ErrorKind::DuplicateContent)?;
}
self.content = Some(value);
Ok(())
}
fn handle_content<'de>(
&mut self,
helper: &mut DeserializeHelper,
output: DeserializerOutput<'de, super::MyChoiceTypeContent>,
fallback: &mut Option<MyChoiceTypeDeserializerState>,
) -> Result<ElementHandlerOutput<'de>, Error> {
use MyChoiceTypeDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
if artifact.is_none() {
*self.state__ = fallback.take().unwrap_or(S::Next__);
return Ok(ElementHandlerOutput::from_event_end(event, allow_any));
}
if let Some(fallback) = fallback.take() {
self.finish_state(helper, fallback)?;
}
match artifact {
DeserializerArtifact::None => unreachable!(),
DeserializerArtifact::Data(data) => {
self.store_content(data)?;
*self.state__ = S::Next__;
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
DeserializerArtifact::Deserializer(deserializer) => {
*self.state__ = S::Content__(deserializer);
Ok(ElementHandlerOutput::from_event_end(event, allow_any))
}
}
}
}
impl<'de> Deserializer<'de, super::MyChoiceType> for MyChoiceTypeDeserializer {
fn init(
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> DeserializerResult<'de, super::MyChoiceType> {
helper.init_deserializer_from_start_event(event, Self::from_bytes_start)
}
fn next(
mut self,
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> DeserializerResult<'de, super::MyChoiceType> {
use MyChoiceTypeDeserializerState as S;
let mut event = event;
let mut fallback = None;
let (event, allow_any) = loop {
let state = replace(&mut *self.state__, S::Unknown__);
event = match (state, event) {
(S::Unknown__, _) => unreachable!(),
(S::Content__(deserializer), event) => {
let output = deserializer.next(helper, event)?;
match self.handle_content(helper, output, &mut fallback)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
}
}
(_, Event::End(_)) => {
return Ok(DeserializerOutput {
artifact: DeserializerArtifact::Data(self.finish(helper)?),
event: DeserializerEvent::None,
allow_any: false,
});
}
(state @ (S::Init__ | S::Next__), event) => {
fallback.get_or_insert(state);
let output =
<super::MyChoiceTypeContent as WithDeserializer>::init(helper, event)?;
match self.handle_content(helper, output, &mut fallback)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
}
}
}
};
if let Some(fallback) = fallback {
*self.state__ = fallback;
}
let artifact = DeserializerArtifact::Deserializer(self);
Ok(DeserializerOutput {
artifact,
event,
allow_any,
})
}
fn finish(mut self, helper: &mut DeserializeHelper) -> Result<super::MyChoiceType, Error> {
let state = replace(&mut *self.state__, MyChoiceTypeDeserializerState::Unknown__);
self.finish_state(helper, state)?;
Ok(super::MyChoiceType {
content: helper.finish_content(self.content)?,
})
}
}
#[derive(Debug)]
pub struct MyChoiceTypeContentDeserializer {
state__: Box<MyChoiceTypeContentDeserializerState>,
}
#[derive(Debug)]
pub enum MyChoiceTypeContentDeserializerState {
Init__,
Once(
Option<i32>,
Option<<i32 as WithDeserializer>::Deserializer>,
Option<<i32 as WithDeserializer>::Deserializer>,
),
Optional(
Option<i32>,
Option<<i32 as WithDeserializer>::Deserializer>,
Option<<i32 as WithDeserializer>::Deserializer>,
),
OnceSpecify(
Option<i32>,
Option<<i32 as WithDeserializer>::Deserializer>,
Option<<i32 as WithDeserializer>::Deserializer>,
),
TwiceOrMore(
Vec<i32>,
Option<<i32 as WithDeserializer>::Deserializer>,
Option<<i32 as WithDeserializer>::Deserializer>,
),
Done__(super::MyChoiceTypeContent),
Unknown__,
}
impl MyChoiceTypeContentDeserializer {
fn find_suitable<'de>(
&mut self,
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> Result<ElementHandlerOutput<'de>, Error> {
if let Event::Start(x) | Event::Empty(x) = &event {
if matches!(
helper.resolve_local_name(x.name(), &super::NS_TNS),
Some(b"Once")
) {
let output = <i32 as WithDeserializer>::init(helper, event)?;
return self.handle_once(helper, Default::default(), None, output);
}
if matches!(
helper.resolve_local_name(x.name(), &super::NS_TNS),
Some(b"Optional")
) {
let output = <i32 as WithDeserializer>::init(helper, event)?;
return self.handle_optional(helper, Default::default(), None, output);
}
if matches!(
helper.resolve_local_name(x.name(), &super::NS_TNS),
Some(b"OnceSpecify")
) {
let output = <i32 as WithDeserializer>::init(helper, event)?;
return self.handle_once_specify(helper, Default::default(), None, output);
}
if matches!(
helper.resolve_local_name(x.name(), &super::NS_TNS),
Some(b"TwiceOrMore")
) {
let output = <i32 as WithDeserializer>::init(helper, event)?;
return self.handle_twice_or_more(helper, Default::default(), None, output);
}
}
*self.state__ = MyChoiceTypeContentDeserializerState::Init__;
Ok(ElementHandlerOutput::return_to_parent(event, false))
}
fn finish_state(
helper: &mut DeserializeHelper,
state: MyChoiceTypeContentDeserializerState,
) -> Result<super::MyChoiceTypeContent, Error> {
use MyChoiceTypeContentDeserializerState as S;
match state {
S::Init__ => Err(ErrorKind::MissingContent.into()),
S::Once(mut values, None, deserializer) => {
if let Some(deserializer) = deserializer {
let value = deserializer.finish(helper)?;
Self::store_once(&mut values, value)?;
}
Ok(super::MyChoiceTypeContent::Once(
helper.finish_element("Once", values)?,
))
}
S::Optional(mut values, None, deserializer) => {
if let Some(deserializer) = deserializer {
let value = deserializer.finish(helper)?;
Self::store_optional(&mut values, value)?;
}
Ok(super::MyChoiceTypeContent::Optional(values))
}
S::OnceSpecify(mut values, None, deserializer) => {
if let Some(deserializer) = deserializer {
let value = deserializer.finish(helper)?;
Self::store_once_specify(&mut values, value)?;
}
Ok(super::MyChoiceTypeContent::OnceSpecify(
helper.finish_element("OnceSpecify", values)?,
))
}
S::TwiceOrMore(mut values, None, deserializer) => {
if let Some(deserializer) = deserializer {
let value = deserializer.finish(helper)?;
Self::store_twice_or_more(&mut values, value)?;
}
Ok(super::MyChoiceTypeContent::TwiceOrMore(
helper.finish_vec(2usize, None, values)?,
))
}
S::Done__(data) => Ok(data),
_ => unreachable!(),
}
}
fn store_once(values: &mut Option<i32>, value: i32) -> Result<(), Error> {
if values.is_some() {
Err(ErrorKind::DuplicateElement(RawByteStr::from_slice(b"Once")))?;
}
*values = Some(value);
Ok(())
}
fn store_optional(values: &mut Option<i32>, value: i32) -> Result<(), Error> {
if values.is_some() {
Err(ErrorKind::DuplicateElement(RawByteStr::from_slice(
b"Optional",
)))?;
}
*values = Some(value);
Ok(())
}
fn store_once_specify(values: &mut Option<i32>, value: i32) -> Result<(), Error> {
if values.is_some() {
Err(ErrorKind::DuplicateElement(RawByteStr::from_slice(
b"OnceSpecify",
)))?;
}
*values = Some(value);
Ok(())
}
fn store_twice_or_more(values: &mut Vec<i32>, value: i32) -> Result<(), Error> {
values.push(value);
Ok(())
}
fn handle_once<'de>(
&mut self,
helper: &mut DeserializeHelper,
mut values: Option<i32>,
fallback: Option<<i32 as WithDeserializer>::Deserializer>,
output: DeserializerOutput<'de, i32>,
) -> Result<ElementHandlerOutput<'de>, Error> {
use MyChoiceTypeContentDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
if artifact.is_none() {
return Ok(ElementHandlerOutput::return_to_root(event, allow_any));
}
if let Some(deserializer) = fallback {
let data = deserializer.finish(helper)?;
Self::store_once(&mut values, data)?;
}
match artifact {
DeserializerArtifact::None => unreachable!(),
DeserializerArtifact::Data(data) => {
Self::store_once(&mut values, data)?;
let data = Self::finish_state(helper, S::Once(values, None, None))?;
*self.state__ = S::Done__(data);
Ok(ElementHandlerOutput::break_(event, allow_any))
}
DeserializerArtifact::Deserializer(deserializer) => {
*self.state__ = S::Once(values, None, Some(deserializer));
Ok(ElementHandlerOutput::break_(event, allow_any))
}
}
}
fn handle_optional<'de>(
&mut self,
helper: &mut DeserializeHelper,
mut values: Option<i32>,
fallback: Option<<i32 as WithDeserializer>::Deserializer>,
output: DeserializerOutput<'de, i32>,
) -> Result<ElementHandlerOutput<'de>, Error> {
use MyChoiceTypeContentDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
if artifact.is_none() {
return Ok(ElementHandlerOutput::return_to_root(event, allow_any));
}
if let Some(deserializer) = fallback {
let data = deserializer.finish(helper)?;
Self::store_optional(&mut values, data)?;
}
match artifact {
DeserializerArtifact::None => unreachable!(),
DeserializerArtifact::Data(data) => {
Self::store_optional(&mut values, data)?;
let data = Self::finish_state(helper, S::Optional(values, None, None))?;
*self.state__ = S::Done__(data);
Ok(ElementHandlerOutput::break_(event, allow_any))
}
DeserializerArtifact::Deserializer(deserializer) => {
*self.state__ = S::Optional(values, None, Some(deserializer));
Ok(ElementHandlerOutput::break_(event, allow_any))
}
}
}
fn handle_once_specify<'de>(
&mut self,
helper: &mut DeserializeHelper,
mut values: Option<i32>,
fallback: Option<<i32 as WithDeserializer>::Deserializer>,
output: DeserializerOutput<'de, i32>,
) -> Result<ElementHandlerOutput<'de>, Error> {
use MyChoiceTypeContentDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
if artifact.is_none() {
return Ok(ElementHandlerOutput::return_to_root(event, allow_any));
}
if let Some(deserializer) = fallback {
let data = deserializer.finish(helper)?;
Self::store_once_specify(&mut values, data)?;
}
match artifact {
DeserializerArtifact::None => unreachable!(),
DeserializerArtifact::Data(data) => {
Self::store_once_specify(&mut values, data)?;
let data = Self::finish_state(helper, S::OnceSpecify(values, None, None))?;
*self.state__ = S::Done__(data);
Ok(ElementHandlerOutput::break_(event, allow_any))
}
DeserializerArtifact::Deserializer(deserializer) => {
*self.state__ = S::OnceSpecify(values, None, Some(deserializer));
Ok(ElementHandlerOutput::break_(event, allow_any))
}
}
}
fn handle_twice_or_more<'de>(
&mut self,
helper: &mut DeserializeHelper,
mut values: Vec<i32>,
fallback: Option<<i32 as WithDeserializer>::Deserializer>,
output: DeserializerOutput<'de, i32>,
) -> Result<ElementHandlerOutput<'de>, Error> {
use MyChoiceTypeContentDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
if artifact.is_none() {
if fallback.is_none() && values.is_empty() {
*self.state__ = S::Init__;
return Ok(ElementHandlerOutput::return_to_root(event, allow_any));
} else if values.len() + usize::from(fallback.is_some()) < 2usize {
*self.state__ = S::TwiceOrMore(values, None, fallback);
return Ok(ElementHandlerOutput::return_to_root(event, allow_any));
} else {
*self.state__ = S::TwiceOrMore(values, None, fallback);
return Ok(ElementHandlerOutput::break_(event, allow_any));
}
}
if let Some(deserializer) = fallback {
let data = deserializer.finish(helper)?;
Self::store_twice_or_more(&mut values, data)?;
}
match artifact {
DeserializerArtifact::None => unreachable!(),
DeserializerArtifact::Data(data) => {
Self::store_twice_or_more(&mut values, data)?;
*self.state__ = S::TwiceOrMore(values, None, None);
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
DeserializerArtifact::Deserializer(deserializer) => {
let ret = ElementHandlerOutput::from_event(event, allow_any);
if ret.is_continue_start_or_empty() {
*self.state__ = S::TwiceOrMore(values, Some(deserializer), None);
} else {
*self.state__ = S::TwiceOrMore(values, None, Some(deserializer));
}
Ok(ret)
}
}
}
}
impl<'de> Deserializer<'de, super::MyChoiceTypeContent> for MyChoiceTypeContentDeserializer {
fn init(
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> DeserializerResult<'de, super::MyChoiceTypeContent> {
let deserializer = Self {
state__: Box::new(MyChoiceTypeContentDeserializerState::Init__),
};
let mut output = deserializer.next(helper, event)?;
output.artifact = match output.artifact {
DeserializerArtifact::Deserializer(x)
if matches!(&*x.state__, MyChoiceTypeContentDeserializerState::Init__) =>
{
DeserializerArtifact::None
}
artifact => artifact,
};
Ok(output)
}
fn next(
mut self,
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> DeserializerResult<'de, super::MyChoiceTypeContent> {
use MyChoiceTypeContentDeserializerState as S;
let mut event = event;
let (event, allow_any) = loop {
let state = replace(&mut *self.state__, S::Unknown__);
event = match (state, event) {
(S::Unknown__, _) => unreachable!(),
(S::Once(values, fallback, Some(deserializer)), event) => {
let output = deserializer.next(helper, event)?;
match self.handle_once(helper, values, fallback, output)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
}
}
(S::Optional(values, fallback, Some(deserializer)), event) => {
let output = deserializer.next(helper, event)?;
match self.handle_optional(helper, values, fallback, output)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
}
}
(S::OnceSpecify(values, fallback, Some(deserializer)), event) => {
let output = deserializer.next(helper, event)?;
match self.handle_once_specify(helper, values, fallback, output)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
}
}
(S::TwiceOrMore(values, fallback, Some(deserializer)), event) => {
let output = deserializer.next(helper, event)?;
match self.handle_twice_or_more(helper, values, fallback, output)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
}
}
(state, event @ Event::End(_)) => {
return Ok(DeserializerOutput {
artifact: DeserializerArtifact::Data(Self::finish_state(
helper, state,
)?),
event: DeserializerEvent::Continue(event),
allow_any: false,
});
}
(S::Init__, event) => match self.find_suitable(helper, event)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
},
(
S::Once(values, fallback, None),
event @ (Event::Start(_) | Event::Empty(_)),
) => {
let output = helper.init_start_tag_deserializer(
event,
Some(&super::NS_TNS),
b"Once",
false,
)?;
match self.handle_once(helper, values, fallback, output)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
}
}
(
S::Optional(values, fallback, None),
event @ (Event::Start(_) | Event::Empty(_)),
) => {
let output = helper.init_start_tag_deserializer(
event,
Some(&super::NS_TNS),
b"Optional",
false,
)?;
match self.handle_optional(helper, values, fallback, output)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
}
}
(
S::OnceSpecify(values, fallback, None),
event @ (Event::Start(_) | Event::Empty(_)),
) => {
let output = helper.init_start_tag_deserializer(
event,
Some(&super::NS_TNS),
b"OnceSpecify",
false,
)?;
match self.handle_once_specify(helper, values, fallback, output)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
}
}
(
S::TwiceOrMore(values, fallback, None),
event @ (Event::Start(_) | Event::Empty(_)),
) => {
let output = helper.init_start_tag_deserializer(
event,
Some(&super::NS_TNS),
b"TwiceOrMore",
false,
)?;
match self.handle_twice_or_more(helper, values, fallback, output)? {
ElementHandlerOutput::Break { event, allow_any } => {
break (event, allow_any)
}
ElementHandlerOutput::Continue { event, .. } => event,
}
}
(state @ S::Done__(_), event) => {
*self.state__ = state;
break (DeserializerEvent::Continue(event), false);
}
(state, event) => {
*self.state__ = state;
break (DeserializerEvent::Continue(event), false);
}
}
};
let artifact = if matches!(&*self.state__, S::Done__(_)) {
DeserializerArtifact::Data(self.finish(helper)?)
} else {
DeserializerArtifact::Deserializer(self)
};
Ok(DeserializerOutput {
artifact,
event,
allow_any,
})
}
fn finish(
self,
helper: &mut DeserializeHelper,
) -> Result<super::MyChoiceTypeContent, Error> {
Self::finish_state(helper, *self.state__)
}
}
#[derive(Debug)]
pub struct MySequenceTypeDeserializer {
once: Option<i32>,
optional: Option<i32>,
once_specify: Option<i32>,
twice_or_more: Vec<i32>,
state__: Box<MySequenceTypeDeserializerState>,
}
#[derive(Debug)]
enum MySequenceTypeDeserializerState {
Init__,
Once(Option<<i32 as WithDeserializer>::Deserializer>),
Optional(Option<<i32 as WithDeserializer>::Deserializer>),
OnceSpecify(Option<<i32 as WithDeserializer>::Deserializer>),
TwiceOrMore(Option<<i32 as WithDeserializer>::Deserializer>),
Done__,
Unknown__,
}
impl MySequenceTypeDeserializer {
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 {
once: None,
optional: None,
once_specify: None,
twice_or_more: Vec::new(),
state__: Box::new(MySequenceTypeDeserializerState::Init__),
})
}
fn finish_state(
&mut self,
helper: &mut DeserializeHelper,
state: MySequenceTypeDeserializerState,
) -> Result<(), Error> {
use MySequenceTypeDeserializerState as S;
match state {
S::Once(Some(deserializer)) => self.store_once(deserializer.finish(helper)?)?,
S::Optional(Some(deserializer)) => {
self.store_optional(deserializer.finish(helper)?)?
}
S::OnceSpecify(Some(deserializer)) => {
self.store_once_specify(deserializer.finish(helper)?)?
}
S::TwiceOrMore(Some(deserializer)) => {
self.store_twice_or_more(deserializer.finish(helper)?)?
}
_ => (),
}
Ok(())
}
fn store_once(&mut self, value: i32) -> Result<(), Error> {
if self.once.is_some() {
Err(ErrorKind::DuplicateElement(RawByteStr::from_slice(b"Once")))?;
}
self.once = Some(value);
Ok(())
}
fn store_optional(&mut self, value: i32) -> Result<(), Error> {
if self.optional.is_some() {
Err(ErrorKind::DuplicateElement(RawByteStr::from_slice(
b"Optional",
)))?;
}
self.optional = Some(value);
Ok(())
}
fn store_once_specify(&mut self, value: i32) -> Result<(), Error> {
if self.once_specify.is_some() {
Err(ErrorKind::DuplicateElement(RawByteStr::from_slice(
b"OnceSpecify",
)))?;
}
self.once_specify = Some(value);
Ok(())
}
fn store_twice_or_more(&mut self, value: i32) -> Result<(), Error> {
self.twice_or_more.push(value);
Ok(())
}
fn handle_once<'de>(
&mut self,
helper: &mut DeserializeHelper,
output: DeserializerOutput<'de, i32>,
fallback: &mut Option<MySequenceTypeDeserializerState>,
) -> Result<ElementHandlerOutput<'de>, Error> {
use MySequenceTypeDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
if artifact.is_none() {
fallback.get_or_insert(S::Once(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_once(data)?;
*self.state__ = S::Optional(None);
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
DeserializerArtifact::Deserializer(deserializer) => {
fallback.get_or_insert(S::Once(Some(deserializer)));
*self.state__ = S::Optional(None);
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
}
}
fn handle_optional<'de>(
&mut self,
helper: &mut DeserializeHelper,
output: DeserializerOutput<'de, i32>,
fallback: &mut Option<MySequenceTypeDeserializerState>,
) -> Result<ElementHandlerOutput<'de>, Error> {
use MySequenceTypeDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
if artifact.is_none() {
*self.state__ = S::OnceSpecify(None);
return Ok(ElementHandlerOutput::from_event(event, allow_any));
}
if let Some(fallback) = fallback.take() {
self.finish_state(helper, fallback)?;
}
match artifact {
DeserializerArtifact::None => unreachable!(),
DeserializerArtifact::Data(data) => {
self.store_optional(data)?;
*self.state__ = S::OnceSpecify(None);
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
DeserializerArtifact::Deserializer(deserializer) => {
fallback.get_or_insert(S::Optional(Some(deserializer)));
*self.state__ = S::OnceSpecify(None);
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
}
}
fn handle_once_specify<'de>(
&mut self,
helper: &mut DeserializeHelper,
output: DeserializerOutput<'de, i32>,
fallback: &mut Option<MySequenceTypeDeserializerState>,
) -> Result<ElementHandlerOutput<'de>, Error> {
use MySequenceTypeDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
if artifact.is_none() {
fallback.get_or_insert(S::OnceSpecify(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_once_specify(data)?;
*self.state__ = S::TwiceOrMore(None);
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
DeserializerArtifact::Deserializer(deserializer) => {
fallback.get_or_insert(S::OnceSpecify(Some(deserializer)));
*self.state__ = S::TwiceOrMore(None);
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
}
}
fn handle_twice_or_more<'de>(
&mut self,
helper: &mut DeserializeHelper,
output: DeserializerOutput<'de, i32>,
fallback: &mut Option<MySequenceTypeDeserializerState>,
) -> Result<ElementHandlerOutput<'de>, Error> {
use MySequenceTypeDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
if artifact.is_none() {
if matches!(&fallback, Some(S::Init__)) {
return Ok(ElementHandlerOutput::break_(event, allow_any));
}
if let Some(fallback) = fallback.take() {
self.finish_state(helper, fallback)?;
}
if self.twice_or_more.len() < 2usize {
fallback.get_or_insert(S::TwiceOrMore(None));
return Ok(ElementHandlerOutput::return_to_root(event, allow_any));
} else {
*self.state__ = S::Done__;
return Ok(ElementHandlerOutput::from_event(event, allow_any));
}
}
if let Some(fallback) = fallback.take() {
self.finish_state(helper, fallback)?;
}
match artifact {
DeserializerArtifact::None => unreachable!(),
DeserializerArtifact::Data(data) => {
self.store_twice_or_more(data)?;
*self.state__ = S::TwiceOrMore(None);
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
DeserializerArtifact::Deserializer(deserializer) => {
fallback.get_or_insert(S::TwiceOrMore(Some(deserializer)));
*self.state__ = S::TwiceOrMore(None);
Ok(ElementHandlerOutput::from_event(event, allow_any))
}
}
}
}
impl<'de> Deserializer<'de, super::MySequenceType> for MySequenceTypeDeserializer {
fn init(
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> DeserializerResult<'de, super::MySequenceType> {
helper.init_deserializer_from_start_event(event, Self::from_bytes_start)
}
fn next(
mut self,
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> DeserializerResult<'de, super::MySequenceType> {
use MySequenceTypeDeserializerState 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::Once(Some(deserializer)), event) => {
let output = deserializer.next(helper, event)?;
match self.handle_once(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::Optional(Some(deserializer)), event) => {
let output = deserializer.next(helper, event)?;
match self.handle_optional(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::OnceSpecify(Some(deserializer)), event) => {
let output = deserializer.next(helper, event)?;
match self.handle_once_specify(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::TwiceOrMore(Some(deserializer)), event) => {
let output = deserializer.next(helper, event)?;
match self.handle_twice_or_more(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::Once(None);
event
}
(S::Once(None), event @ (Event::Start(_) | Event::Empty(_))) => {
let output = helper.init_start_tag_deserializer(
event,
Some(&super::NS_TNS),
b"Once",
false,
)?;
match self.handle_once(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::Optional(None), event @ (Event::Start(_) | Event::Empty(_))) => {
let output = helper.init_start_tag_deserializer(
event,
Some(&super::NS_TNS),
b"Optional",
false,
)?;
match self.handle_optional(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::OnceSpecify(None), event @ (Event::Start(_) | Event::Empty(_))) => {
let output = helper.init_start_tag_deserializer(
event,
Some(&super::NS_TNS),
b"OnceSpecify",
false,
)?;
match self.handle_once_specify(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::TwiceOrMore(None), event @ (Event::Start(_) | Event::Empty(_))) => {
let output = helper.init_start_tag_deserializer(
event,
Some(&super::NS_TNS),
b"TwiceOrMore",
false,
)?;
match self.handle_twice_or_more(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::MySequenceType, Error> {
let state = replace(
&mut *self.state__,
MySequenceTypeDeserializerState::Unknown__,
);
self.finish_state(helper, state)?;
Ok(super::MySequenceType {
once: helper.finish_element("Once", self.once)?,
optional: self.optional,
once_specify: helper.finish_element("OnceSpecify", self.once_specify)?,
twice_or_more: helper.finish_vec(2usize, None, self.twice_or_more)?,
})
}
}
}