xrl 0.0.3

Xi Rpc Lib - Tokio based implementation of the RPC used in the Xi editor
Documentation 
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use serde::{Deserialize, Deserializer};

use super::operation::Operation;


#[derive(Debug, PartialEq)]
pub struct Update {
    pub rev: Option<u64>,
    pub operations: Vec<Operation>,
    pub pristine: bool,
    pub view_id: String,
}

#[derive(Deserialize, Debug, PartialEq)]
struct InnerUpdate {
    pub rev: Option<u64>,
    #[serde(rename = "ops")]
    pub operations: Vec<Operation>,
    pub pristine: bool,
}

#[derive(Deserialize, Debug, PartialEq)]
struct UpdateHelper {
    pub update: InnerUpdate,
    pub view_id: String,
}

impl<'de> Deserialize<'de> for Update {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        Deserialize::deserialize(deserializer).map(|UpdateHelper { update, view_id }| {
            Update {
                rev: update.rev,
                operations: update.operations,
                pristine: update.pristine,
                view_id: view_id,
            }
        })
    }
}


#[test]
fn deserialize_update() {
    use serde_json;

    use super::Line;
    use super::operation::{Operation, OperationType};

    let s = r#"{"update":{"ops":[{"n":60,"op":"invalidate"},{"lines":[{"cursor":[0],"styles":[],"text":"Bar"},{"styles":[],"text":"Foo"}],"n":12,"op":"ins"}],"pristine":true},"view_id":"view-id-1"}"#;
    let update = Update {
        operations: vec![
            Operation {
                operation_type: OperationType::Invalidate,
                nb_lines: 60,
                lines: vec![],
            },
            Operation {
                operation_type: OperationType::Insert,
                nb_lines: 12,
                lines: vec![
                    Line {
                        cursor: vec![0],
                        styles: vec![],
                        text: "Bar".to_owned(),
                    },
                    Line {
                        cursor: vec![],
                        styles: vec![],
                        text: "Foo".to_owned(),
                    },
                ],
            },
        ],
        pristine: true,
        rev: None,
        view_id: "view-id-1".to_string(),
    };
    let deserialized: Result<Update, _> = serde_json::from_str(s);
    assert_eq!(deserialized.unwrap(), update);
}