chore: Switch to serde_gura

- No `.unwrap()` concern now.
- Leverage the common `from_parsed_value` method.
- Greatly simplified format support.

Signed-off-by: Brennan Kinney <[email protected]>

Cargo.toml

@@ -20,7 +20,7 @@ json = ["serde_json"]
 yaml = ["yaml-rust"]
 ini = ["rust-ini"]
 json5 = ["json5_rs", "serde/derive"]
-gura = ["dep:gura"]
+gura = ["serde_gura"]
 convert-case = ["convert_case"]
 preserve_order = ["indexmap", "toml?/preserve_order", "serde_json?/preserve_order", "ron?/indexmap"]
 async = ["async-trait"]
@@ -37,7 +37,7 @@ yaml-rust = { version = "0.4", optional = true }
 rust-ini = { version = "0.19", optional = true }
 ron = { version = "0.8", optional = true }
 json5_rs = { version = "0.4", optional = true, package = "json5" }
-gura = { version = "0.5", optional = true }
+serde_gura = { version = "0.1", optional = true }
 indexmap = { version = "2.0.0", features = ["serde"], optional = true }
 convert_case = { version = "0.6", optional = true }
 pathdiff = "0.2"

src/file/format/gura.rs

@@ -1,52 +1,14 @@
 use std::error::Error;
 
-use gura::GuraType;
-
 use crate::format;
 use crate::map::Map;
-use crate::value::{Value, ValueKind};
+use crate::value::Value;
 
 pub fn parse(
     uri: Option<&String>,
     text: &str,
 ) -> Result<Map<String, Value>, Box<dyn Error + Send + Sync>> {
-    let value = from_gura_value(uri, gura::parse(text).unwrap());
+    // Parse a Gura input from the provided text
+    let value = format::from_parsed_value(uri, serde_gura::from_str(text)?);
     format::extract_root_table(uri, value)
 }
-
-fn from_gura_value(uri: Option<&String>, value: GuraType) -> Value {
-    let vk = match value {
-        GuraType::String(value) => ValueKind::String(value),
-
-        GuraType::Integer(value) => ValueKind::I64(value as i64),
-        GuraType::BigInteger(value) => ValueKind::I128(value),
-        GuraType::Float(value) => ValueKind::Float(value),
-
-        GuraType::Bool(value) => ValueKind::Boolean(value),
-
-        GuraType::Object(table) => {
-            let m = table
-                .into_iter()
-                .map(|(k, v)| (k, from_gura_value(uri, v)))
-                .collect();
-
-            ValueKind::Table(m)
-        }
-
-        GuraType::Array(array) => {
-            let l = array
-                .into_iter()
-                .map(|v| from_gura_value(uri, v))
-                .collect();
-
-            ValueKind::Array(l)
-        }
-
-        GuraType::Null => ValueKind::Nil,
-
-        // Remaining types (only intended for internal use):
-        _ => ValueKind::Nil,
-    };
-
-    Value::new(uri, vk)
-}

src/file/format/mod.rs

@@ -59,7 +59,7 @@ pub enum FileFormat {
     #[cfg(feature = "json5")]
     Json5,
 
-    /// GURA (parsed with gura)
+    /// GURA (parsed with serde_gura)
     #[cfg(feature = "gura")]
     Gura,
 }

tests/Settings-enum-test.ura

@@ -1,3 +1,3 @@
 # comment
 
-bar: "bar is a lowercase param"
+bar: "bar is a lowercase param"

tests/Settings.ura

@@ -17,4 +17,4 @@ place:
         email: "jsmith@localhost"
 
 FOO: "FOO should be overridden"
-bar: "I am bar"
+bar: "I am bar"