FEAT: added dummy code to start refactoring spectrum readers

src/io/readers/spectrum_reader.rs

@@ -0,0 +1,50 @@
+pub mod minitdf;
+pub mod tdf;
+
+use core::fmt;
+use std::path::{Path, PathBuf};
+
+use minitdf::MiniTDFSpectrumReader;
+use tdf::TDFSpectrumReader;
+
+use crate::ms_data::Spectrum;
+
+pub struct SpectrumReader {
+    spectrum_reader: Box<dyn SpectrumReaderTrait>,
+}
+
+impl fmt::Debug for SpectrumReader {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "SpectrumReader {{ /* fields omitted */ }}")
+    }
+}
+
+impl SpectrumReader {
+    pub fn new(path: impl AsRef<Path>) -> Self {
+        let spectrum_reader: Box<dyn SpectrumReaderTrait> =
+            match path.as_ref().extension().and_then(|e| e.to_str()) {
+                Some("parquet") => Box::new(MiniTDFSpectrumReader::new(path)),
+                Some("tdf") => Box::new(TDFSpectrumReader::new(path)),
+                _ => panic!(),
+            };
+        Self { spectrum_reader }
+    }
+
+    pub fn get(&self, index: usize) -> Spectrum {
+        self.spectrum_reader.get(index)
+    }
+
+    pub fn get_path(&self) -> PathBuf {
+        self.spectrum_reader.get_path()
+    }
+
+    pub fn len(&self) -> usize {
+        self.spectrum_reader.len()
+    }
+}
+
+trait SpectrumReaderTrait: Sync {
+    fn get(&self, index: usize) -> Spectrum;
+    fn get_path(&self) -> PathBuf;
+    fn len(&self) -> usize;
+}

src/io/readers/spectrum_reader/minitdf.rs

@@ -0,0 +1,32 @@
+use std::path::{Path, PathBuf};
+
+use crate::ms_data::Spectrum;
+
+use super::SpectrumReaderTrait;
+
+#[derive(Debug)]
+pub struct MiniTDFSpectrumReader {
+    path: PathBuf,
+}
+
+impl MiniTDFSpectrumReader {
+    pub fn new(path: impl AsRef<Path>) -> Self {
+        Self {
+            path: path.as_ref().to_path_buf(),
+        }
+    }
+}
+
+impl SpectrumReaderTrait for MiniTDFSpectrumReader {
+    fn get(&self, index: usize) -> Spectrum {
+        Spectrum::default()
+    }
+
+    fn len(&self) -> usize {
+        0 //TODO
+    }
+
+    fn get_path(&self) -> PathBuf {
+        self.path.clone()
+    }
+}

src/io/readers/spectrum_reader/tdf.rs

@@ -0,0 +1,32 @@
+use std::path::{Path, PathBuf};
+
+use crate::ms_data::Spectrum;
+
+use super::SpectrumReaderTrait;
+
+#[derive(Debug)]
+pub struct TDFSpectrumReader {
+    path: PathBuf,
+}
+
+impl TDFSpectrumReader {
+    pub fn new(path: impl AsRef<Path>) -> Self {
+        Self {
+            path: path.as_ref().to_path_buf(),
+        }
+    }
+}
+
+impl SpectrumReaderTrait for TDFSpectrumReader {
+    fn get(&self, index: usize) -> Spectrum {
+        Spectrum::default()
+    }
+
+    fn len(&self) -> usize {
+        0 //TODO
+    }
+
+    fn get_path(&self) -> PathBuf {
+        self.path.clone()
+    }
+}