From 24e66ca75ae8b232a79cb49b25bc382c052d8935 Mon Sep 17 00:00:00 2001
From: Andrew Phillips <andrew.phillips2@canada.ca>
Date: Thu, 11 Sep 2025 11:10:51 -0300
Subject: [PATCH] refactor: Remove unused methods from `CompressionEngine`
 trait

Co-authored-by: aider (openai/andrew/openrouter/sonoma-sky-alpha) <aider@aider.chat>
---
 src/compression_engine.rs | 114 +-------------------------------------
 1 file changed, 1 insertion(+), 113 deletions(-)

diff --git a/src/compression_engine.rs b/src/compression_engine.rs
index e3ab1a5..daad57b 100755
--- a/src/compression_engine.rs
+++ b/src/compression_engine.rs
@@ -96,116 +96,4 @@ pub trait CompressionEngine {
     ///
     /// # Errors
     ///
-    /// Returns an error if the path is invalid or if there are permission issues.
-    fn create(&self, file_path: PathBuf) -> Result<Box<dyn Write>>;
-
-    /// Checks if this compression engine is supported on the current system.
-    ///
-    /// Some compression types may require external programs or features to be enabled.
-    ///
-    /// # Returns
-    ///
-    /// * `bool` - True if supported, false otherwise.
-    fn is_supported(&self) -> bool {
-        true
-    }
-
-    /// Checks if this compression engine is internal (built-in) or external (program-based).
-    ///
-    /// Internal engines use Rust implementations without external dependencies.
-    /// External engines rely on system programs.
-    ///
-    /// # Returns
-    ///
-    /// * `bool` - True if internal, false if external.
-    fn is_internal(&self) -> bool {
-        true
-    }
-
-    /// Copies decompressed content from a file to a writer.
-    ///
-    /// Reads the compressed file and writes the decompressed content to the provided writer.
-    ///
-    /// # Arguments
-    ///
-    /// * `file_path` - Path to the compressed file.
-    /// * `writer` - Writer to receive decompressed content.
-    ///
-    /// # Returns
-    ///
-    /// * `Result<()>` - Success if the copy completes, or an error.
-    ///
-    /// # Errors
-    ///
-    /// Propagates errors from opening the file or copying data.
-    fn copy(&self, file_path: PathBuf, writer: &mut dyn Write) -> Result<()> {
-        let mut reader = self.open(file_path)?;
-        io::copy(&mut reader, writer)?;
-        writer.flush()?;
-        Ok(())
-    }
-
-    /// Decompresses and outputs file content to stdout.
-    ///
-    /// Convenience method to decompress and print the contents of a compressed file.
-    ///
-    /// # Arguments
-    ///
-    /// * `file_path` - Path to the compressed file.
-    ///
-    /// # Returns
-    ///
-    /// * `Result<()>` - Success if the content is output, or an error.
-    ///
-    /// # Errors
-    ///
-    /// Propagates errors from copying to stdout.
-    fn cat(&self, file_path: PathBuf) -> Result<()> {
-        let mut stdout = io::stdout().lock();
-        self.copy(file_path, &mut stdout)
-    }
-
-    /// Calculates the decompressed size of a file.
-    ///
-    /// Reads the entire decompressed content to determine its size in bytes.
-    ///
-    /// # Arguments
-    ///
-    /// * `file_path` - Path to the compressed file.
-    ///
-    /// # Returns
-    ///
-    /// * `Result<usize>` - The decompressed size in bytes, or an error.
-    ///
-    /// # Errors
-    ///
-    /// Returns an error if the file cannot be opened or read.
-    ///
-    /// # Examples
-    ///
-    /// ```
-    /// let engine = /* some engine */;
-    /// let size = engine.size("file.gz".into()).unwrap();
-    /// println!("Decompressed size: {} bytes", size);
-    /// ```
-    fn size(&self, file_path: PathBuf) -> Result<usize> {
-        let mut reader = self.open(file_path)?;
-        let mut buffer = [0; libc::BUFSIZ as usize];
-        let mut size: usize = 0;
-
-        loop {
-            let n = reader.read(&mut buffer[..libc::BUFSIZ as usize])?;
-            if n == 0 {
-                debug!("COMPRESSION: EOF");
-                break;
-            }
-
-            size += n;
-        }
-
-        Ok(size)
-    }
-}
-
-lazy_static! {
-    /// Mapping of
\ No newline at end of file
+    /// Returns an error if the path
\ No newline at end of file