From 5235b5bd84b4cd459b7a3ee92f2d3b772a271de4 Mon Sep 17 00:00:00 2001
From: SupperZum <levchenko.d25@gmail.com>
Date: Tue, 9 Apr 2024 14:41:02 +0300
Subject: [PATCH 1/2] path_exts

---
 module/core/proper_path_tools/src/path.rs     | 58 ++++++++++++++++++-
 .../core/proper_path_tools/tests/inc/mod.rs   |  2 +-
 .../proper_path_tools/tests/inc/path_exts.rs  | 50 ++++++++++++++++
 3 files changed, 108 insertions(+), 2 deletions(-)
 create mode 100644 module/core/proper_path_tools/tests/inc/path_exts.rs

diff --git a/module/core/proper_path_tools/src/path.rs b/module/core/proper_path_tools/src/path.rs
index 35560947f7..2d5e2c6e35 100644
--- a/module/core/proper_path_tools/src/path.rs
+++ b/module/core/proper_path_tools/src/path.rs
@@ -301,11 +301,67 @@ pub( crate ) mod private
     Ok( format!( "{}_{}_{}_{}", timestamp, pid, tid, count ) )
   }
 
+  /// Extracts multiple extensions from the given path.
+  ///
+  /// This function takes a path and returns a vector of strings representing the extensions of the file.
+  /// If the input path is empty or if it doesn't contain any extensions, it returns an empty vector.
+  ///
+  /// # Arguments
+  ///
+  /// * `path` - An object that can be converted into a Path reference, representing the file path.
+  ///
+  /// # Returns
+  ///
+  /// A vector of strings containing the extensions of the file, or an empty vector if the input path is empty or lacks extensions.
+  ///
+  /// # Examples
+  ///
+  /// ```
+  /// use proper_path_tools::path::exts;
+  ///
+  /// let path = "/path/to/file.tar.gz";
+  /// let extensions = exts(path);
+  /// assert_eq!(extensions, vec!["tar", "gz"]);
+  /// ```
+  ///
+  /// ```
+  /// use proper_path_tools::path::exts;
+  ///
+  /// let empty_path = "";
+  /// let extensions = exts(empty_path);
+  /// assert_eq!(extensions, vec![]);
+  /// ```
+  ///
+  pub fn exts( path : impl AsRef< std::path::Path > ) -> Vec< String > 
+  {
+    use std::path::Path;
+
+    if let Some( file_name ) = Path::new( path.as_ref() ).file_name() 
+    {
+      if let Some( file_name_str ) = file_name.to_str() 
+      {
+        let mut file_name_str = file_name_str.to_string();
+        if file_name_str.starts_with( '.' )
+        {
+          file_name_str.remove( 0 );
+        }
+        if let Some( dot_index ) = file_name_str.find( '.' ) 
+        {
+            
+          let extensions = &file_name_str[ dot_index + 1.. ];
+          
+          return extensions.split( '.' ).map( | s | s.to_string() ).collect()
+        }
+      }
+    }
+    vec![]
+  }
+
 }
 
 crate::mod_interface!
 {
-
+  protected use exts;
   protected use is_glob;
   protected use normalize;
   protected use canonicalize;
diff --git a/module/core/proper_path_tools/tests/inc/mod.rs b/module/core/proper_path_tools/tests/inc/mod.rs
index cc74b4a975..6db0955c21 100644
--- a/module/core/proper_path_tools/tests/inc/mod.rs
+++ b/module/core/proper_path_tools/tests/inc/mod.rs
@@ -4,6 +4,6 @@ use super::*;
 mod path_normalize;
 mod path_is_glob;
 mod absolute_path;
-
+mod path_exts;
 #[ cfg( feature = "path_unique_folder_name" ) ]
 mod path_unique_folder_name;
diff --git a/module/core/proper_path_tools/tests/inc/path_exts.rs b/module/core/proper_path_tools/tests/inc/path_exts.rs
new file mode 100644
index 0000000000..2e96a55341
--- /dev/null
+++ b/module/core/proper_path_tools/tests/inc/path_exts.rs
@@ -0,0 +1,50 @@
+#[ allow( unused_imports ) ]
+use super::*;
+
+#[ test ]
+fn empty_path() 
+{
+  let path = "";
+  let expected : Vec< String > = vec![];
+  assert_eq!( the_module::path::exts( path ), expected );
+}
+
+#[ test ]
+fn txt_extension() 
+{
+  let path = "some.txt";
+  let expected : Vec< String > = vec![ "txt".to_string() ];
+  assert_eq!( the_module::path::exts( path ), expected );
+}
+
+#[ test ]
+fn path_with_non_empty_dir_name() 
+{
+  let path = "/foo/bar/baz.asdf";
+  let expected : Vec< String > = vec![ "asdf".to_string() ];
+  assert_eq!( the_module::path::exts( path ), expected );
+}
+
+#[ test ]
+fn hidden_file() 
+{
+  let path = "/foo/bar/.baz";
+  let expected : Vec< String > = vec![];
+  assert_eq!( the_module::path::exts( path ), expected );
+}
+
+#[ test ]
+fn several_extension() 
+{
+  let path = "/foo.coffee.md";
+  let expected : Vec< String > = vec![ "coffee".to_string(), "md".to_string() ];
+  assert_eq!( the_module::path::exts( path ), expected );
+}
+
+#[ test ]
+fn hidden_file_extension() 
+{
+  let path = "/foo/bar/.baz.txt";
+  let expected : Vec< String > = vec![ "txt".to_string() ];
+  assert_eq!( the_module::path::exts( path ), expected );
+}
\ No newline at end of file

From 7b35cec92c0c884f508562c52b38890c659d8e10 Mon Sep 17 00:00:00 2001
From: SupperZum <levchenko.d25@gmail.com>
Date: Tue, 9 Apr 2024 14:43:53 +0300
Subject: [PATCH 2/2] upd

---
 module/core/proper_path_tools/src/path.rs | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/module/core/proper_path_tools/src/path.rs b/module/core/proper_path_tools/src/path.rs
index 2d5e2c6e35..b9952756d8 100644
--- a/module/core/proper_path_tools/src/path.rs
+++ b/module/core/proper_path_tools/src/path.rs
@@ -320,16 +320,17 @@ pub( crate ) mod private
   /// use proper_path_tools::path::exts;
   ///
   /// let path = "/path/to/file.tar.gz";
-  /// let extensions = exts(path);
-  /// assert_eq!(extensions, vec!["tar", "gz"]);
+  /// let extensions = exts( path );
+  /// assert_eq!( extensions, vec![ "tar", "gz" ] );
   /// ```
   ///
   /// ```
   /// use proper_path_tools::path::exts;
   ///
   /// let empty_path = "";
-  /// let extensions = exts(empty_path);
-  /// assert_eq!(extensions, vec![]);
+  /// let extensions = exts( empty_path );
+  /// let expected : Vec< String > = vec![];
+  /// assert_eq!( extensions, expected );
   /// ```
   ///
   pub fn exts( path : impl AsRef< std::path::Path > ) -> Vec< String >