Made file paths type more flexible

Author: Quba1

Cargo.toml

@@ -41,7 +41,7 @@ anyhow = { version = "1.0", features = ["backtrace"] }
 float-cmp = "0.10"
 
 [features]
-default = ["message_ndarray"]
+default = ["message_ndarray", "experimental_index"]
 docs = ["eccodes-sys/docs"]
 experimental_index = []
 message_ndarray = ["dep:ndarray"]

src/codes_handle/mod.rs

@@ -183,7 +183,10 @@ impl CodesHandle<CodesFile<File>> {
     ///
     ///Returns [`CodesError::Internal`] with error code
     ///when internal [`codes_handle`] cannot be created.
-    pub fn new_from_file(file_path: &Path, product_kind: ProductKind) -> Result<Self, CodesError> {
+    pub fn new_from_file<P: AsRef<Path>>(
+        file_path: P,
+        product_kind: ProductKind,
+    ) -> Result<Self, CodesError> {
         let file = OpenOptions::new().read(true).open(file_path)?;
         let file_pointer = open_with_fdopen(&file)?;
 

src/codes_index.rs

@@ -172,7 +172,8 @@ impl CodesIndex {
     /// This function will return [`CodesError::Internal`] if the index file is not valid or
     /// the GRIB file is not present in the same relative path as during the index file creation.
     #[cfg_attr(docsrs, doc(cfg(feature = "experimental_index")))]
-    pub fn read_from_file(index_file_path: &Path) -> Result<CodesIndex, CodesError> {
+    pub fn read_from_file<P: AsRef<Path>>(index_file_path: P) -> Result<CodesIndex, CodesError> {
+        let index_file_path: &Path = index_file_path.as_ref();
         let file_path = index_file_path.to_str().ok_or_else(|| {
             std::io::Error::new(std::io::ErrorKind::InvalidData, "Path is not valid utf8")
         })?;
@@ -213,7 +214,11 @@ impl CodesIndex {
     /// Returns [`CodesError::Internal`] if the file cannot be added to the index.
     /// The error might be also caused by incorrectly constructed index.
     #[cfg_attr(docsrs, doc(cfg(feature = "experimental_index")))]
-    pub fn add_grib_file(self, index_file_path: &Path) -> Result<CodesIndex, CodesError> {
+    pub fn add_grib_file<P: AsRef<Path>>(
+        self,
+        index_file_path: P,
+    ) -> Result<CodesIndex, CodesError> {
+        let index_file_path: &Path = index_file_path.as_ref();
         let file_path = index_file_path.to_str().ok_or_else(|| {
             std::io::Error::new(std::io::ErrorKind::InvalidData, "Path is not valid utf8")
         })?;

src/keyed_message/write.rs

@@ -110,7 +110,11 @@ impl KeyedMessage {
     ///
     /// Returns [`CodesInternal`](crate::errors::CodesInternal)
     /// when internal ecCodes function returns non-zero code.
-    pub fn write_to_file(&self, file_path: &Path, append: bool) -> Result<(), CodesError> {
+    pub fn write_to_file<P: AsRef<Path>>(
+        &self,
+        file_path: P,
+        append: bool,
+    ) -> Result<(), CodesError> {
         let msg = unsafe { codes_get_message(self.message_handle)? };
         let buf = unsafe { slice::from_raw_parts(msg.0.cast::<u8>(), msg.1) };
         let mut file = OpenOptions::new()