This commit is contained in:
aozhiwei 2022-01-01 23:21:57 +08:00
parent c8ca016ae7
commit bd11c1108e

View File

@ -1,8 +1,6 @@
use std::rc::Rc;
use std::fs::File;
use std::collections::HashMap;
use protobuf::Message;
use protobuf::descriptor::FieldDescriptorProto_Type;
pub trait ProtoMsg {
fn deserialize(&self,
@ -25,26 +23,26 @@ struct MetaClass<T> {
wrap_name_hash: HashMap<String, Rc<T>>
}
pub struct MetaMgr<T> {
meta_classes: Vec<MetaClass::<T>>,
impl<T: Clone + ProtoMsg> MetaClass<T> {
fn deserialize_json(&mut self, obj: &serde_json::Map<String, serde_json::Value>) {
let msg = Rc::new(self.dummy.clone());
let id_key = &mut 0;
let name_key = &mut String::new();
msg.deserialize(&obj, id_key, name_key);
self.wrap_list.push(msg.clone());
if *id_key != 0 {
self.wrap_id_hash.insert(*id_key, msg.clone());
}
if !name_key.is_empty() {
self.wrap_name_hash.insert(name_key.to_string(), msg.clone());
}
}
}
fn json_to_pb(obj: &serde_json::Map<String, serde_json::Value>, pb: &mut dyn protobuf::Message) {
let mut v = Vec::<u8>::new();
let desc = pb.descriptor();
for field in desc.fields() {
let field_desc = field.proto();
match obj.get(field.name()) {
Some(v) => {
}
None => {
}
}
}
let mut slice: &[u8] = v.as_slice();
let is = &mut ::protobuf::CodedInputStream::new(&mut slice);
pb.merge_from(is);
pub struct MetaMgr<T> {
meta_classes: Vec<MetaClass::<T>>,
}
impl<T: Clone + ProtoMsg> MetaMgr<T> {
@ -63,22 +61,37 @@ impl<T: Clone + ProtoMsg> MetaMgr<T> {
}
pub fn register_meta(&mut self, file_name: String, idx: i32, prim_key: String, sec_key: String, dummy: T) {
let meta = MetaClass::<T> {
file_name: file_name,
idx: 100,
prim_key: prim_key,
sec_key: sec_key,
dummy: dummy,
wrap_list: Vec::new(),
wrap_id_hash: HashMap::new(),
wrap_name_hash: HashMap::new()
};
self.meta_classes.push(meta);
}
pub fn load(&mut self) {
for meta in &mut self.meta_classes {
for i in 0..self.meta_classes.len() {
let meta = &mut self.meta_classes[i];
match File::open(&meta.file_name) {
Ok(f) => {
match serde_json::from_reader(f) {
Ok(data) => {
match (data) {
serde_json::Value::Array(arr) =>{
for item in arr {
if let serde_json::Value::Object(obj) = item {
meta.deserialize_json(&obj);
}
}
},
serde_json::Value::Object(obj) =>{
let msg = Rc::new(meta.dummy.clone());
let id_key = &mut 0;
let name_key = &mut String::new();
msg.deserialize(&obj, id_key, name_key);
meta.wrap_list.push(msg);
meta.deserialize_json(&obj);
},
_ => {