use std::borrow::Cow;
use xsd_parser_types::{
misc::{Namespace, NamespacePrefix},
quick_xml::{
DeserializeBytes, DeserializeHelper, Error, ErrorKind, RawByteStr, SerializeBytes,
SerializeHelper, WithDeserializer, WithDeserializerFromBytes, WithSerializeToBytes,
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 value: Option<String>,
pub content: EnumType,
}
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;
}
#[derive(Debug)]
pub enum EnumType {
Off,
On,
Auto,
}
impl SerializeBytes for EnumType {
fn serialize_bytes(&self, helper: &mut SerializeHelper) -> Result<Option<Cow<'_, str>>, Error> {
match self {
Self::Off => Ok(Some(Cow::Borrowed("OFF"))),
Self::On => Ok(Some(Cow::Borrowed("ON"))),
Self::Auto => Ok(Some(Cow::Borrowed("AUTO"))),
}
}
}
impl WithSerializeToBytes for EnumType {}
impl DeserializeBytes for EnumType {
fn deserialize_bytes(helper: &mut DeserializeHelper, bytes: &[u8]) -> Result<Self, Error> {
match bytes {
b"OFF" => Ok(Self::Off),
b"ON" => Ok(Self::On),
b"AUTO" => Ok(Self::Auto),
x => Err(Error::from(ErrorKind::UnknownOrInvalidValue(
RawByteStr::from_slice(x),
))),
}
}
}
impl WithDeserializerFromBytes for EnumType {}
pub mod quick_xml_deserialize {
use core::mem::replace;
use xsd_parser_types::quick_xml::{
BytesStart, ContentDeserializer, DeserializeHelper, Deserializer, DeserializerArtifact,
DeserializerEvent, DeserializerOutput, DeserializerResult, Error, ErrorKind, Event,
WithDeserializer,
};
#[derive(Debug)]
pub struct FooTypeDeserializer {
value: Option<String>,
content: Option<super::EnumType>,
state__: Box<FooTypeDeserializerState>,
}
#[derive(Debug)]
enum FooTypeDeserializerState {
Init__,
Content__(<super::EnumType as WithDeserializer>::Deserializer),
Unknown__,
}
impl FooTypeDeserializer {
fn from_bytes_start(
helper: &mut DeserializeHelper,
bytes_start: &BytesStart<'_>,
) -> Result<Self, Error> {
let mut value: Option<String> = 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"value")
) {
helper.read_attrib(&mut value, b"value", &attrib.value)?;
} else {
helper.raise_unexpected_attrib_checked(&attrib)?;
}
}
Ok(Self {
value: value,
content: None,
state__: Box::new(FooTypeDeserializerState::Init__),
})
}
fn finish_state(
&mut self,
helper: &mut DeserializeHelper,
state: FooTypeDeserializerState,
) -> Result<(), Error> {
if let FooTypeDeserializerState::Content__(deserializer) = state {
self.store_content(deserializer.finish(helper)?)?;
}
Ok(())
}
fn store_content(&mut self, value: super::EnumType) -> 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::EnumType>,
) -> DeserializerResult<'de, super::FooType> {
use FooTypeDeserializerState as S;
let DeserializerOutput {
artifact,
event,
allow_any,
} = output;
match artifact {
DeserializerArtifact::None => Ok(DeserializerOutput {
artifact: DeserializerArtifact::None,
event,
allow_any,
}),
DeserializerArtifact::Data(data) => {
self.store_content(data)?;
let data = self.finish(helper)?;
Ok(DeserializerOutput {
artifact: DeserializerArtifact::Data(data),
event,
allow_any,
})
}
DeserializerArtifact::Deserializer(deserializer) => {
*self.state__ = S::Content__(deserializer);
Ok(DeserializerOutput {
artifact: DeserializerArtifact::Deserializer(self),
event,
allow_any,
})
}
}
}
}
impl<'de> Deserializer<'de, super::FooType> for FooTypeDeserializer {
fn init(
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> DeserializerResult<'de, super::FooType> {
let (Event::Start(x) | Event::Empty(x)) = &event else {
return Ok(DeserializerOutput {
artifact: DeserializerArtifact::None,
event: DeserializerEvent::Break(event),
allow_any: false,
});
};
Self::from_bytes_start(helper, x)?.next(helper, event)
}
fn next(
mut self,
helper: &mut DeserializeHelper,
event: Event<'de>,
) -> DeserializerResult<'de, super::FooType> {
use FooTypeDeserializerState as S;
match replace(&mut *self.state__, S::Unknown__) {
S::Unknown__ => unreachable!(),
S::Init__ => {
let output = ContentDeserializer::init(helper, event)?;
self.handle_content(helper, output)
}
S::Content__(deserializer) => {
let output = deserializer.next(helper, event)?;
self.handle_content(helper, output)
}
}
}
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 {
value: self.value,
content: helper.finish_content(self.content)?,
})
}
}
}
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__,
Content__(<super::EnumType 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::Content__(
WithSerializer::serializer(&self.value.content, None, 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,
);
}
helper.write_attrib_opt(&mut bytes, "value", &self.value.value)?;
return Ok(Some(Event::Start(bytes)));
}
FooTypeSerializerState::Content__(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))
}
}
}
}
}