bendns' repos / helix
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'helix-config/src/toml.rs')
-rw-r--r--helix-config/src/toml.rs69
1 files changed, 69 insertions, 0 deletions
diff --git a/helix-config/src/toml.rs b/helix-config/src/toml.rs
new file mode 100644
index 00000000..e79d42ac
--- /dev/null
+++ b/helix-config/src/toml.rs
@@ -0,0 +1,69 @@
+use crate::{Map, OptionManager, OptionRegistry, Value};
+
+/// Inserts the config declaration from a map deserialized from toml into
+/// options manager. Returns an error if any of theu config options are
+/// invalid The convresion may not be exactly one-to-one to retain backwards
+/// compatibility
+pub fn read_toml_config(
+ config_entries: Map<Value>,
+ options: &OptionManager,
+ registry: &OptionRegistry,
+) -> anyhow::Result<()> {
+ let mut buf = String::new();
+ for (key, val) in config_entries {
+ if matches!(val, Value::Map(_)) {
+ buf.push_str(&key);
+ visit(&mut buf, val, options, registry)?;
+ buf.clear();
+ } else {
+ visit(&mut key.to_string(), val, options, registry)?;
+ }
+ }
+ Ok(())
+}
+
+fn visit(
+ path: &mut String,
+ val: Value,
+ options: &OptionManager,
+ registry: &OptionRegistry,
+) -> anyhow::Result<()> {
+ match &**path {
+ // don't descend
+ "auto-format" => {
+ // treat as unset
+ if Value::Bool(true) == val {
+ return Ok(());
+ }
+ }
+ "auto-pairs" => return options.set("auto-pairs", val, registry),
+ "enviorment" => return options.set("enviorment", val, registry),
+ "config" => return options.set("config", val, registry),
+ "gutters" if matches!(val, Value::List(_)) => {
+ return options.set("gutters.layout", val, registry);
+ }
+ "gutters" if matches!(val, Value::List(_)) => {
+ return options.set("gutters.layout", val, registry);
+ }
+ "whitespace.render" if matches!(val, Value::String(_)) => {
+ return options.set("whitespace.render.default", val, registry);
+ }
+ "language-servers" => {
+ // merge list/map of language servers but if "only" and "except" are specified overwrite
+ return options.append("language-servers", val, registry, 0);
+ }
+ _ => (),
+ };
+ if let Value::Map(val) = val {
+ let old_path_len = path.len();
+ for (key, val) in val.into_iter() {
+ path.push('.');
+ path.push_str(&key);
+ visit(path, val, options, registry)?;
+ path.truncate(old_path_len);
+ }
+ Ok(())
+ } else {
+ options.set(&**path, val, registry)
+ }
+}