chore: Rename compression directory to compression_engine

src/compression_engine/none.rs

@@ -0,0 +1,33 @@
+use anyhow::Result;
+use log::*;
+use std::fs::File;
+use std::io::{Read, Write};
+use std::path::PathBuf;
+
+use crate::compression::CompressionEngine;
+
+#[derive(Debug, Eq, PartialEq, Clone, Default)]
+pub struct CompressionEngineNone {}
+
+impl CompressionEngineNone {
+    pub fn new() -> CompressionEngineNone {
+        CompressionEngineNone {}
+    }
+}
+
+impl CompressionEngine for CompressionEngineNone {
+    fn size(&self, file_path: PathBuf) -> Result<usize> {
+        let item_file_metadata = file_path.metadata()?;
+        Ok(item_file_metadata.len() as usize)
+    }
+
+    fn open(&self, file_path: PathBuf) -> Result<Box<dyn Read>> {
+        debug!("COMPRESSION: Opening {:?} using {:?}", file_path, *self);
+        Ok(Box::new(File::open(file_path)?))
+    }
+
+    fn create(&self, file_path: PathBuf) -> Result<Box<dyn Write>> {
+        debug!("COMPRESSION: Writting to {:?} using {:?}", file_path, *self);
+        Ok(Box::new(File::create(file_path)?))
+    }
+}