ZIm/crates/snippet_provider/src/format.rs
2025-03-31 20:55:27 +02:00

83 lines
2.2 KiB
Rust

use collections::HashMap;
use schemars::{
JsonSchema,
r#gen::SchemaSettings,
schema::{ObjectValidation, Schema, SchemaObject},
};
use serde::Deserialize;
use serde_json_lenient::Value;
#[derive(Deserialize)]
pub struct VSSnippetsFile {
#[serde(flatten)]
pub(crate) snippets: HashMap<String, VSCodeSnippet>,
}
impl VSSnippetsFile {
pub fn generate_json_schema() -> Value {
let schema = SchemaSettings::draft07()
.with(|settings| settings.option_add_null_type = false)
.into_generator()
.into_root_schema_for::<Self>();
serde_json_lenient::to_value(schema).unwrap()
}
}
impl JsonSchema for VSSnippetsFile {
fn schema_name() -> String {
"VSSnippetsFile".into()
}
fn json_schema(r#gen: &mut schemars::r#gen::SchemaGenerator) -> Schema {
SchemaObject {
object: Some(Box::new(ObjectValidation {
additional_properties: Some(Box::new(r#gen.subschema_for::<VSCodeSnippet>())),
..Default::default()
})),
..Default::default()
}
.into()
}
}
#[derive(Deserialize, JsonSchema)]
#[serde(untagged)]
pub(crate) enum ListOrDirect {
Single(String),
List(Vec<String>),
}
impl From<ListOrDirect> for Vec<String> {
fn from(list: ListOrDirect) -> Self {
match list {
ListOrDirect::Single(entry) => vec![entry],
ListOrDirect::List(entries) => entries,
}
}
}
impl std::fmt::Display for ListOrDirect {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(
f,
"{}",
match self {
Self::Single(v) => v.to_owned(),
Self::List(v) => v.join("\n"),
}
)
}
}
#[derive(Deserialize, JsonSchema)]
pub(crate) struct VSCodeSnippet {
/// The snippet prefix used to decide whether a completion menu should be shown.
pub(crate) prefix: Option<ListOrDirect>,
/// The snippet content. Use `$1` and `${1:defaultText}` to define cursor positions and `$0` for final cursor position.
pub(crate) body: ListOrDirect,
/// The snippet description displayed inside the completion menu.
pub(crate) description: Option<ListOrDirect>,
}