refactor: receive Path in public api arguments

Fixes #39
Fixes #47

Signed-off-by: Yaroslav Bolyukin <[email protected]>

bindings/jsonnet/src/import.rs

@@ -12,7 +12,7 @@ use std::{
 	fs::File,
 	io::Read,
 	os::raw::{c_char, c_int},
-	path::PathBuf,
+	path::{Path, PathBuf},
 	ptr::null_mut,
 	rc::Rc,
 };
@@ -33,7 +33,7 @@ pub struct CallbackImportResolver {
 	out: RefCell<HashMap<PathBuf, IStr>>,
 }
 impl ImportResolver for CallbackImportResolver {
-	fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {
+	fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>> {
 		let base = CString::new(from.to_str().unwrap()).unwrap().into_raw();
 		let rel = CString::new(path.to_str().unwrap()).unwrap().into_raw();
 		let found_here: *mut c_char = null_mut();
@@ -73,9 +73,9 @@ impl ImportResolver for CallbackImportResolver {
 			unsafe { CString::from_raw(result_ptr) };
 		}
 
-		Ok(Rc::new(found_here_buf))
+		Ok(found_here_buf.into())
 	}
-	fn load_file_contents(&self, resolved: &PathBuf) -> Result<IStr> {
+	fn load_file_contents(&self, resolved: &Path) -> Result<IStr> {
 		Ok(self.out.borrow().get(resolved).unwrap().clone())
 	}
 	unsafe fn as_any(&self) -> &dyn Any {
@@ -108,27 +108,27 @@ impl NativeImportResolver {
 	}
 }
 impl ImportResolver for NativeImportResolver {
-	fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {
-		let mut new_path = from.clone();
+	fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>> {
+		let mut new_path = from.to_owned();
 		new_path.push(path);
 		if new_path.exists() {
-			Ok(Rc::new(new_path))
+			Ok(new_path.into())
 		} else {
 			for library_path in self.library_paths.borrow().iter() {
 				let mut cloned = library_path.clone();
 				cloned.push(path);
 				if cloned.exists() {
-					return Ok(Rc::new(cloned));
+					return Ok(cloned.into());
 				}
 			}
-			throw!(ImportFileNotFound(from.clone(), path.clone()))
+			throw!(ImportFileNotFound(from.to_owned(), path.to_owned()))
 		}
 	}
-	fn load_file_contents(&self, id: &PathBuf) -> Result<IStr> {
-		let mut file = File::open(id).map_err(|_e| ResolvedFileNotFound(id.clone()))?;
+	fn load_file_contents(&self, id: &Path) -> Result<IStr> {
+		let mut file = File::open(id).map_err(|_e| ResolvedFileNotFound(id.to_owned()))?;
 		let mut out = String::new();
 		file.read_to_string(&mut out)
-			.map_err(|_e| ImportBadFileUtf8(id.clone()))?;
+			.map_err(|_e| ImportBadFileUtf8(id.to_owned()))?;
 		Ok(out.into())
 	}
 	unsafe fn as_any(&self) -> &dyn Any {

bindings/jsonnet/src/lib.rs

@@ -15,7 +15,6 @@ use std::{
 	ffi::{CStr, CString},
 	os::raw::{c_char, c_double, c_int, c_uint},
 	path::PathBuf,
-	rc::Rc,
 };
 
 /// WASM stub
@@ -144,7 +143,7 @@ pub unsafe extern "C" fn jsonnet_evaluate_snippet(
 		let snippet = CStr::from_ptr(snippet);
 		match vm
 			.evaluate_snippet_raw(
-				Rc::new(PathBuf::from(filename.to_str().unwrap())),
+				PathBuf::from(filename.to_str().unwrap()).into(),
 				snippet.to_str().unwrap().into(),
 			)
 			.and_then(|v| vm.with_tla(v))
@@ -220,7 +219,7 @@ pub unsafe extern "C" fn jsonnet_evaluate_snippet_multi(
 		let snippet = CStr::from_ptr(snippet);
 		match vm
 			.evaluate_snippet_raw(
-				Rc::new(PathBuf::from(filename.to_str().unwrap())),
+				PathBuf::from(filename.to_str().unwrap()).into(),
 				snippet.to_str().unwrap().into(),
 			)
 			.and_then(|v| vm.with_tla(v))
@@ -294,7 +293,7 @@ pub unsafe extern "C" fn jsonnet_evaluate_snippet_stream(
 		let snippet = CStr::from_ptr(snippet);
 		match vm
 			.evaluate_snippet_raw(
-				Rc::new(PathBuf::from(filename.to_str().unwrap())),
+				PathBuf::from(filename.to_str().unwrap()).into(),
 				snippet.to_str().unwrap().into(),
 			)
 			.and_then(|v| vm.with_tla(v))

cmds/jrsonnet/src/main.rs

@@ -6,7 +6,6 @@ use std::{
 	io::Read,
 	io::Write,
 	path::PathBuf,
-	rc::Rc,
 	str::FromStr,
 };
 
@@ -134,14 +133,14 @@ fn main_real(state: &EvaluationState, opts: Opts) -> Result<(), Error> {
 	let val = if opts.input.exec {
 		state.set_manifest_format(ManifestFormat::ToString);
 		state.evaluate_snippet_raw(
-			Rc::new(PathBuf::from("args")),
+			PathBuf::from("args").into(),
 			(&opts.input.input as &str).into(),
 		)?
 	} else if opts.input.input == "-" {
 		let mut input = Vec::new();
 		std::io::stdin().read_to_end(&mut input)?;
 		let input_str = std::str::from_utf8(&input)?.into();
-		state.evaluate_snippet_raw(Rc::new(PathBuf::from("<stdin>")), input_str)?
+		state.evaluate_snippet_raw(PathBuf::from("<stdin>").into(), input_str)?
 	} else {
 		state.evaluate_file_raw(&PathBuf::from(opts.input.input))?
 	};

crates/jrsonnet-evaluator/build.rs

@@ -15,7 +15,7 @@ fn main() {
 	let parsed = parse(
 		STDLIB_STR,
 		&ParserSettings {
-			file_name: Rc::new(PathBuf::from("std.jsonnet")),
+			file_name: PathBuf::from("std.jsonnet").into(),
 			loc_data: true,
 		},
 	)

crates/jrsonnet-evaluator/src/builtin/mod.rs

@@ -174,7 +174,7 @@ fn builtin_parse_json(
 		0, s: ty!(string) => Val::Str;
 	], {
 		let state = EvaluationState::default();
-		let path = Rc::new(PathBuf::from("std.parseJson"));
+		let path = PathBuf::from("std.parseJson").into();
 		state.evaluate_snippet_raw(path ,s)
 	})
 }

crates/jrsonnet-evaluator/src/builtin/stdlib.rs

@@ -1,5 +1,5 @@
 use jrsonnet_parser::{LocExpr, ParserSettings};
-use std::{path::PathBuf, rc::Rc};
+use std::path::PathBuf;
 
 thread_local! {
 	/// To avoid parsing again when issued from the same thread
@@ -25,7 +25,7 @@ thread_local! {
 			jrsonnet_stdlib::STDLIB_STR,
 			&ParserSettings {
 				loc_data: true,
-				file_name: Rc::new(PathBuf::from("std.jsonnet")),
+				file_name: PathBuf::from("std.jsonnet").into(),
 			},
 		)
 		.unwrap()

crates/jrsonnet-evaluator/src/error.rs

@@ -5,7 +5,10 @@ use crate::{
 use jrsonnet_interner::IStr;
 use jrsonnet_parser::{BinaryOpType, ExprLocation, UnaryOpType};
 use jrsonnet_types::ValType;
-use std::{path::PathBuf, rc::Rc};
+use std::{
+	path::{Path, PathBuf},
+	rc::Rc,
+};
 use thiserror::Error;
 
 #[derive(Error, Debug, Clone)]
@@ -86,7 +89,7 @@ pub enum Error {
 		.source_code.chars().nth(error.location.offset).map(|c| c.to_string()).unwrap_or_else(|| "EOF".into())
 	)]
 	ImportSyntaxError {
-		path: Rc<PathBuf>,
+		path: Rc<Path>,
 		source_code: IStr,
 		error: Box<jrsonnet_parser::ParseError>,
 	},

crates/jrsonnet-evaluator/src/evaluate.rs

@@ -609,26 +609,26 @@ pub fn evaluate(context: Context, expr: &LocExpr) -> Result<Val> {
 			}
 		}
 		Import(path) => {
-			let mut tmp = loc
+			let tmp = loc
 				.clone()
 				.expect("imports cannot be used without loc_data")
 				.0;
-			let import_location = Rc::make_mut(&mut tmp);
+			let mut import_location = tmp.to_path_buf();
 			import_location.pop();
 			push(
 				loc.as_ref(),
 				|| format!("import {:?}", path),
-				|| with_state(|s| s.import_file(import_location, path)),
+				|| with_state(|s| s.import_file(&import_location, path)),
 			)?
 		}
 		ImportStr(path) => {
-			let mut tmp = loc
+			let tmp = loc
 				.clone()
 				.expect("imports cannot be used without loc_data")
 				.0;
-			let import_location = Rc::make_mut(&mut tmp);
+			let mut import_location = tmp.to_path_buf();
 			import_location.pop();
-			Val::Str(with_state(|s| s.import_file_str(import_location, path))?)
+			Val::Str(with_state(|s| s.import_file_str(&import_location, path))?)
 		}
 	})
 }

crates/jrsonnet-evaluator/src/import.rs

@@ -6,17 +6,23 @@ use fs::File;
 use jrsonnet_interner::IStr;
 use std::fs;
 use std::io::Read;
-use std::{any::Any, cell::RefCell, collections::HashMap, path::PathBuf, rc::Rc};
+use std::{
+	any::Any,
+	cell::RefCell,
+	collections::HashMap,
+	path::{Path, PathBuf},
+	rc::Rc,
+};
 
 /// Implements file resolution logic for `import` and `importStr`
 pub trait ImportResolver {
 	/// Resolves real file path, e.g. `(/home/user/manifests, b.libjsonnet)` can correspond
 	/// both to `/home/user/manifests/b.libjsonnet` and to `/home/user/${vendor}/b.libjsonnet`
 	/// where `${vendor}` is a library path.
-	fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>>;
+	fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>>;
 
 	/// Reads file from filesystem, should be used only with path received from `resolve_file`
-	fn load_file_contents(&self, resolved: &PathBuf) -> Result<IStr>;
+	fn load_file_contents(&self, resolved: &Path) -> Result<IStr>;
 
 	/// # Safety
 	///
@@ -29,11 +35,11 @@ pub trait ImportResolver {
 /// Dummy resolver, can't resolve/load any file
 pub struct DummyImportResolver;
 impl ImportResolver for DummyImportResolver {
-	fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {
-		throw!(ImportNotSupported(from.clone(), path.clone()))
+	fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>> {
+		throw!(ImportNotSupported(from.into(), path.into()))
 	}
 
-	fn load_file_contents(&self, _resolved: &PathBuf) -> Result<IStr> {
+	fn load_file_contents(&self, _resolved: &Path) -> Result<IStr> {
 		// Can be only caused by library direct consumer, not by supplied jsonnet
 		panic!("dummy resolver can't load any file")
 	}
@@ -57,27 +63,27 @@ pub struct FileImportResolver {
 	pub library_paths: Vec<PathBuf>,
 }
 impl ImportResolver for FileImportResolver {
-	fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {
-		let mut new_path = from.clone();
-		new_path.push(path);
-		if new_path.exists() {
-			Ok(Rc::new(new_path))
+	fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>> {
+		let mut direct = from.to_path_buf();
+		direct.push(path);
+		if direct.exists() {
+			Ok(direct.into())
 		} else {
 			for library_path in self.library_paths.iter() {
 				let mut cloned = library_path.clone();
 				cloned.push(path);
 				if cloned.exists() {
-					return Ok(Rc::new(cloned));
+					return Ok(cloned.into());
 				}
 			}
-			throw!(ImportFileNotFound(from.clone(), path.clone()))
+			throw!(ImportFileNotFound(from.to_owned(), path.to_owned()))
 		}
 	}
-	fn load_file_contents(&self, id: &PathBuf) -> Result<IStr> {
-		let mut file = File::open(id).map_err(|_e| ResolvedFileNotFound(id.clone()))?;
+	fn load_file_contents(&self, id: &Path) -> Result<IStr> {
+		let mut file = File::open(id).map_err(|_e| ResolvedFileNotFound(id.to_owned()))?;
 		let mut out = String::new();
 		file.read_to_string(&mut out)
-			.map_err(|_e| ImportBadFileUtf8(id.clone()))?;
+			.map_err(|_e| ImportBadFileUtf8(id.to_owned()))?;
 		Ok(out.into())
 	}
 	unsafe fn as_any(&self) -> &dyn Any {
@@ -89,23 +95,23 @@ type ResolutionData = (PathBuf, PathBuf);
 
 /// Caches results of the underlying resolver
 pub struct CachingImportResolver {
-	resolution_cache: RefCell<HashMap<ResolutionData, Result<Rc<PathBuf>>>>,
+	resolution_cache: RefCell<HashMap<ResolutionData, Result<Rc<Path>>>>,
 	loading_cache: RefCell<HashMap<PathBuf, Result<IStr>>>,
 	inner: Box<dyn ImportResolver>,
 }
 impl ImportResolver for CachingImportResolver {
-	fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {
+	fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>> {
 		self.resolution_cache
 			.borrow_mut()
-			.entry((from.clone(), path.clone()))
+			.entry((from.to_owned(), path.to_owned()))
 			.or_insert_with(|| self.inner.resolve_file(from, path))
 			.clone()
 	}
 
-	fn load_file_contents(&self, resolved: &PathBuf) -> Result<IStr> {
+	fn load_file_contents(&self, resolved: &Path) -> Result<IStr> {
 		self.loading_cache
 			.borrow_mut()
-			.entry(resolved.clone())
+			.entry(resolved.to_owned())
 			.or_insert_with(|| self.inner.load_file_contents(resolved))
 			.clone()
 	}