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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
|
||
| use super::context::{ReadContext, WriteContext}; | ||
| use crate::error::Error; | ||
| use crate::fury::Fury; | ||
| use crate::serializer::StructSerializer; | ||
| use std::any::TypeId; | ||
| use std::{any::Any, collections::HashMap}; | ||
|
|
||
| pub struct Harness { | ||
| serializer: fn(&dyn Any, &mut WriteContext), | ||
| deserializer: fn(&mut ReadContext) -> Result<Box<dyn Any>, Error>, | ||
| } | ||
|
|
||
| impl Harness { | ||
| pub fn new( | ||
| serializer: fn(&dyn Any, &mut WriteContext), | ||
| deserializer: fn(&mut ReadContext) -> Result<Box<dyn Any>, Error>, | ||
| ) -> Harness { | ||
| Harness { | ||
| serializer, | ||
| deserializer, | ||
| } | ||
| } | ||
|
|
||
| pub fn get_serializer(&self) -> fn(&dyn Any, &mut WriteContext) { | ||
| self.serializer | ||
| } | ||
|
|
||
| pub fn get_deserializer(&self) -> fn(&mut ReadContext) -> Result<Box<dyn Any>, Error> { | ||
| self.deserializer | ||
| } | ||
| } | ||
|
|
||
| pub struct ClassInfo { | ||
| type_def: Vec<u8>, | ||
| type_id: u32, | ||
| } | ||
|
|
||
| impl ClassInfo { | ||
| pub fn new<T: StructSerializer>(fury: &Fury, type_id: u32) -> ClassInfo { | ||
| ClassInfo { | ||
| type_def: T::type_def(fury), | ||
| type_id, | ||
| } | ||
| } | ||
|
|
||
| pub fn get_type_id(&self) -> u32 { | ||
| self.type_id | ||
| } | ||
|
|
||
| pub fn get_type_def(&self) -> &Vec<u8> { | ||
| &self.type_def | ||
| } | ||
| } | ||
|
|
||
| #[derive(Default)] | ||
| pub struct ClassResolver { | ||
| serialize_map: HashMap<u32, Harness>, | ||
| type_id_map: HashMap<TypeId, u32>, | ||
| class_info_map: HashMap<TypeId, ClassInfo>, | ||
| } | ||
|
|
||
| impl ClassResolver { | ||
| pub fn get_class_info(&self, type_id: TypeId) -> &ClassInfo { | ||
| self.class_info_map.get(&type_id).unwrap() | ||
| } | ||
|
|
||
| pub fn register<T: StructSerializer>(&mut self, class_info: ClassInfo, id: u32) { | ||
| fn serializer<T2: 'static + StructSerializer>(this: &dyn Any, context: &mut WriteContext) { | ||
| let this = this.downcast_ref::<T2>(); | ||
| match this { | ||
| Some(v) => { | ||
| T2::serialize(v, context); | ||
| } | ||
| None => todo!(), | ||
| } | ||
| } | ||
|
|
||
| fn deserializer<T2: 'static + StructSerializer>( | ||
| context: &mut ReadContext, | ||
| ) -> Result<Box<dyn Any>, Error> { | ||
| match T2::deserialize(context) { | ||
| Ok(v) => Ok(Box::new(v)), | ||
| Err(e) => Err(e), | ||
| } | ||
| } | ||
| self.type_id_map.insert(TypeId::of::<T>(), id); | ||
| self.serialize_map | ||
| .insert(id, Harness::new(serializer::<T>, deserializer::<T>)); | ||
| self.class_info_map.insert(TypeId::of::<T>(), class_info); | ||
| } | ||
|
|
||
| pub fn get_harness_by_type(&self, type_id: TypeId) -> Option<&Harness> { | ||
| self.get_harness(*self.type_id_map.get(&type_id).unwrap()) | ||
| } | ||
|
|
||
| pub fn get_harness(&self, id: u32) -> Option<&Harness> { | ||
| self.serialize_map.get(&id) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
|
||
| use crate::error::Error; | ||
| use crate::fury::Fury; | ||
| use crate::resolver::context::{ReadContext, WriteContext}; | ||
| use crate::serializer::Serializer; | ||
| use crate::types::{FieldType, Mode, RefFlag}; | ||
| use std::any::Any; | ||
|
|
||
| impl Serializer for Box<dyn Any> { | ||
| fn reserved_space() -> usize { | ||
| 0 | ||
| } | ||
|
|
||
| fn write(&self, _context: &mut WriteContext) { | ||
| panic!("unreachable") | ||
| } | ||
|
|
||
| fn read(_context: &mut ReadContext) -> Result<Self, Error> { | ||
| panic!("unreachable") | ||
| } | ||
|
|
||
| fn ty(_fury: &Fury) -> i16 { | ||
| FieldType::FuryTypeTag.into() | ||
| } | ||
|
|
||
| fn serialize(&self, context: &mut WriteContext) { | ||
| context | ||
| .get_fury() | ||
| .get_class_resolver() | ||
| .get_harness_by_type(self.as_ref().type_id()) | ||
| .unwrap() | ||
| .get_serializer()(self.as_ref(), context); | ||
| } | ||
|
|
||
| fn deserialize(context: &mut ReadContext) -> Result<Self, Error> { | ||
| let reset_cursor = context.reader.reset_cursor_to_here(); | ||
| // ref flag | ||
| let ref_flag = context.reader.i8(); | ||
|
|
||
| if ref_flag == (RefFlag::NotNullValue as i8) || ref_flag == (RefFlag::RefValue as i8) { | ||
| if context.get_fury().get_mode().eq(&Mode::Compatible) { | ||
| let meta_index = context.reader.i16(); | ||
| let type_id = context.meta_resolver.get(meta_index as usize).get_type_id(); | ||
| reset_cursor(&mut context.reader); | ||
| context | ||
| .get_fury() | ||
| .get_class_resolver() | ||
| .get_harness(type_id) | ||
| .unwrap() | ||
| .get_deserializer()(context) | ||
| } else { | ||
| let type_id = context.reader.i16(); | ||
| reset_cursor(&mut context.reader); | ||
| context | ||
| .get_fury() | ||
| .get_class_resolver() | ||
| .get_harness(type_id as u32) | ||
| .unwrap() | ||
| .get_deserializer()(context) | ||
| } | ||
| } else if ref_flag == (RefFlag::Null as i8) { | ||
| Err(Error::Null) | ||
| } else if ref_flag == (RefFlag::Ref as i8) { | ||
| reset_cursor(&mut context.reader); | ||
| Err(Error::Ref) | ||
| } else { | ||
| reset_cursor(&mut context.reader); | ||
| Err(Error::BadRefFlag) | ||
| } | ||
| } | ||
| } |
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