parent
bd3582787b
commit
0406cf96c9
@ -1,9 +1,6 @@
|
||||
[package]
|
||||
name = "data-validation"
|
||||
version = "0.1.0"
|
||||
authors = [BlackSponge <blacksponge@tuta.io>, Jackred <jackred@tuta.io>]
|
||||
edition = "2018"
|
||||
[workspace]
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
members = [
|
||||
"data_validation",
|
||||
"data_validation_derive"
|
||||
]
|
||||
|
@ -0,0 +1,12 @@
|
||||
[package]
|
||||
name = "data_validation"
|
||||
version = "0.1.0"
|
||||
authors = ["BlackSponge <blacksponge@tuta.io>", "Jackred <jackred@tuta.io>"]
|
||||
edition = "2018"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
serde = "1.0"
|
||||
serde_json = "1.0"
|
||||
data_validation_derive = { path = "../data_validation_derive"}
|
@ -0,0 +1,144 @@
|
||||
use std::collections::HashMap;
|
||||
use std::fmt;
|
||||
|
||||
use serde::de::{Deserialize, Visitor, MapAccess, SeqAccess};
|
||||
|
||||
#[derive(Debug, PartialEq)]
|
||||
pub enum Number {
|
||||
Signed(i64),
|
||||
Unsigned(u64),
|
||||
Float(f64),
|
||||
}
|
||||
|
||||
#[derive(Debug, PartialEq)]
|
||||
pub enum Data {
|
||||
Null,
|
||||
String(String),
|
||||
Number(Number),
|
||||
Bool(bool),
|
||||
Array(Vec<Data>),
|
||||
Object(HashMap<String, Data>),
|
||||
}
|
||||
|
||||
impl<'de> Deserialize<'de> for Data {
|
||||
fn deserialize<D>(deserializer: D) -> Result<Data, D::Error>
|
||||
where
|
||||
D: serde::Deserializer<'de>
|
||||
{
|
||||
struct DataVisitor;
|
||||
|
||||
impl<'de> Visitor<'de> for DataVisitor {
|
||||
type Value = Data;
|
||||
|
||||
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
|
||||
formatter.write_str("json value")
|
||||
}
|
||||
|
||||
fn visit_i64<E>(self, value: i64) -> Result<Self::Value, E> {
|
||||
Ok(Data::Number(Number::Signed(value)))
|
||||
}
|
||||
|
||||
fn visit_u64<E>(self, value: u64) -> Result<Self::Value, E> {
|
||||
Ok(Data::Number(Number::Unsigned(value)))
|
||||
}
|
||||
|
||||
fn visit_f64<E>(self, value: f64) -> Result<Self::Value, E> {
|
||||
Ok(Data::Number(Number::Float(value)))
|
||||
}
|
||||
|
||||
fn visit_bool<E>(self, value: bool) -> Result<Self::Value, E>
|
||||
{
|
||||
Ok(Data::Bool(value))
|
||||
}
|
||||
|
||||
fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
|
||||
where
|
||||
E: serde::de::Error
|
||||
{
|
||||
self.visit_string(String::from(value))
|
||||
}
|
||||
|
||||
fn visit_string<E>(self, value: String) -> Result<Self::Value, E>
|
||||
{
|
||||
Ok(Data::String(value))
|
||||
}
|
||||
|
||||
fn visit_unit<E>(self) -> Result<Self::Value, E>
|
||||
{
|
||||
Ok(Data::Null)
|
||||
}
|
||||
|
||||
fn visit_seq<S>(self, mut access: S) -> Result<Self::Value, S::Error>
|
||||
where
|
||||
S: SeqAccess<'de>
|
||||
{
|
||||
let mut vec = Vec::new();
|
||||
|
||||
while let Some(item) = access.next_element()? {
|
||||
vec.push(item);
|
||||
}
|
||||
|
||||
Ok(Data::Array(vec))
|
||||
}
|
||||
|
||||
fn visit_map<M>(self, mut access: M) -> Result<Self::Value, M::Error>
|
||||
where
|
||||
M: MapAccess<'de>
|
||||
{
|
||||
let mut map = HashMap::with_capacity(access.size_hint().unwrap_or(0));
|
||||
|
||||
while let Some((key, value)) = access.next_entry()? {
|
||||
map.insert(key, value);
|
||||
}
|
||||
|
||||
Ok(Data::Object(map))
|
||||
}
|
||||
}
|
||||
|
||||
deserializer.deserialize_any(DataVisitor)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::{Data, Number};
|
||||
use std::collections::HashMap;
|
||||
use serde_json;
|
||||
|
||||
#[test]
|
||||
fn data_deserialize_json() {
|
||||
let raw = r#"{
|
||||
"a": -1,
|
||||
"b" : 1,
|
||||
"c": 1.2,
|
||||
"d": null,
|
||||
"e": false,
|
||||
"f": {
|
||||
"a": true,
|
||||
"b": 6e5
|
||||
},
|
||||
"g": ["a", true, 5.1e-1]
|
||||
}"#;
|
||||
|
||||
let data_deserialized = serde_json::from_str::<Data>(raw).unwrap();
|
||||
|
||||
let mut extern_map = HashMap::<String, Data>::new();
|
||||
let mut intern_map = HashMap::<String, Data>::new();
|
||||
let vec = vec![Data::String("a".to_string()), Data::Bool(true), Data::Number(Number::Float(0.51))];
|
||||
|
||||
intern_map.insert("a".to_string(), Data::Bool(true));
|
||||
intern_map.insert("b".to_string(), Data::Number(Number::Float(600000.0)));
|
||||
|
||||
extern_map.insert("a".to_string(), Data::Number(Number::Signed(-1)));
|
||||
extern_map.insert("b".to_string(), Data::Number(Number::Unsigned(1)));
|
||||
extern_map.insert("c".to_string(), Data::Number(Number::Float(1.2)));
|
||||
extern_map.insert("d".to_string(), Data::Null);
|
||||
extern_map.insert("e".to_string(), Data::Bool(false));
|
||||
extern_map.insert("f".to_string(), Data::Object(intern_map));
|
||||
extern_map.insert("g".to_string(), Data::Array(vec));
|
||||
|
||||
let data_expected = Data::Object(extern_map);
|
||||
assert_eq!(data_deserialized, data_expected);
|
||||
}
|
||||
}
|
@ -0,0 +1 @@
|
||||
pub mod data;
|
@ -0,0 +1,9 @@
|
||||
[package]
|
||||
name = "data_validation_derive"
|
||||
version = "0.1.0"
|
||||
authors = ["BlackSponge <blacksponge@tuta.io>", "Jackred <jackred@tuta.io>"]
|
||||
edition = "2018"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
@ -1,7 +0,0 @@
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
#[test]
|
||||
fn it_works() {
|
||||
assert_eq!(2 + 2, 4);
|
||||
}
|
||||
}
|
Loading…
Reference in new issue