Created
October 9, 2019 09:21
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use crate::node::Node; | |
use serde_json::Value; | |
use serde::ser::{Serialize, SerializeMap, Serializer}; | |
use json_patch::merge; | |
struct WrapDirectory<'a, T> { | |
name: &'a str, | |
value: &'a T | |
} | |
impl<'a, T> Serialize for WrapDirectory<'a, T> where T: Serialize { | |
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> | |
where | |
S: Serializer, T: Serialize | |
{ | |
let mut ser = serializer.serialize_map(None)?; | |
ser.serialize_key(self.name)?; | |
ser.serialize_value(self.value)?; | |
ser.end() | |
} | |
} | |
fn merge_jsons(nodes: &Vec<Value>) -> Value { | |
let value = nodes.iter().fold(serde_json::Value::Null, |acc, n| { | |
let mut cacc = acc.clone(); | |
merge(&mut cacc, n); | |
cacc | |
}); | |
value | |
} | |
fn make_json(node: &Node) -> Result<Value, serde_json::error::Error> { | |
match node { | |
Node::KeyValue{key, value} => { | |
let wrap = WrapDirectory {name: key, value: value}; | |
serde_json::to_value(wrap) | |
}, | |
Node::Directory{key, nodes} => { | |
let jnodes: Result<Vec<_>, _>= nodes.iter() | |
.filter(|(k, _)| !k.key().is_empty()) //clean empty leafs! | |
.map(|(_, n)| make_json(n)).collect(); | |
let parts = jnodes?; | |
let value = merge_jsons(&parts); | |
serde_json::to_value(WrapDirectory {name: &key, value: &value}) | |
} | |
} | |
} | |
pub fn to_json(_node: &Node) -> String { | |
let strr = make_json(_node).and_then(|n| serde_json::to_string_pretty(&n)); | |
match strr { | |
Ok(x) => { | |
println!("{}", x); | |
x | |
}, | |
Err(_) => { | |
unimplemented!("fsd") | |
} | |
} | |
} | |
pub fn to_hocon(_nodes: &Node) -> String { | |
println!("{:?}", _nodes); "".to_string() | |
} |
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