fmt + clippy

src/byte_stream/mod.rs

@@ -1,5 +1,5 @@
-use std::fmt::{Display, Formatter};
 use num_bigint::BigUint;
+use std::fmt::{Display, Formatter};
 
 #[derive(Clone, Debug)]
 pub enum ByteStreamError {
@@ -9,7 +9,7 @@ pub enum ByteStreamError {
 impl Display for ByteStreamError {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
         match self {
-            ByteStreamError::OutOfRange => write!(f, "Requested values out of range")
+            ByteStreamError::OutOfRange => write!(f, "Requested values out of range"),
         }
     }
 }
@@ -33,14 +33,15 @@ pub struct ByteStream {
     data: Vec<u8>,
 }
 
-
 impl ByteStream {
     pub fn get_bytes(&self, bit_ndx: usize, bit_count: usize) -> Result<Vec<u8>, ByteStreamError> {
         let byte_ndx = bit_ndx / 8;
         let bits_before = (bit_ndx % 8) as u8;
         let bits_in_last_byte = ((bit_ndx + bit_count - bits_before as usize) % 8) as u8;
         let byte_count = ((bit_count as f32) / (8.0)).ceil() as usize;
-        let bytes_needed = if (bits_before as usize + bit_count) % 8 != 0 && !(bits_before as usize + bit_count < 8){
+        let bytes_needed = if (bits_before as usize + bit_count) % 8 != 0
+            && bits_before as usize + bit_count >= 8
+        {
             byte_count + 1
         } else {
             byte_count

src/formatter/format.rs

@@ -1,11 +1,11 @@
-use crate::byte_stream::{ByteStream, bit_mask, ByteStreamError};
+use crate::byte_stream::{bit_mask, ByteStream, ByteStreamError};
-use serde::Deserialize;
-use std::fmt::{Write, Display, Formatter};
-use num_bigint::{BigUint, BigInt};
-use std::io::Cursor;
-use byteorder::{LittleEndian, ReadBytesExt};
-use std::string::FromUtf8Error;
 use crate::formatter::printers::print_bytes_as_array;
+use byteorder::{LittleEndian, ReadBytesExt};
+use num_bigint::{BigInt, BigUint};
+use serde::Deserialize;
+use std::fmt::{Display, Formatter, Write};
+use std::io::Cursor;
+use std::string::FromUtf8Error;
 
 #[derive(Debug, Clone)]
 pub enum FormatError {
@@ -32,7 +32,7 @@ impl Display for FormatError {
         match self {
             FormatError::ByteSteamError(e) => writeln!(f, "Byte stream error: {}", e),
             FormatError::NotSupported => write!(f, "Field type not supported"),
-            FormatError::StringParseError(e) => write!(f, "String parse error: {}", e)
+            FormatError::StringParseError(e) => write!(f, "String parse error: {}", e),
         }
     }
 }
@@ -63,7 +63,11 @@ pub struct Field {
 }
 
 impl Field {
-    fn format_int(byte_stream: &ByteStream, bit_ndx: usize, bit_width: usize) -> Result<(String, usize), FormatError> {
+    fn format_int(
+        byte_stream: &ByteStream,
+        bit_ndx: usize,
+        bit_width: usize,
+    ) -> Result<(String, usize), FormatError> {
         let mut bytes = byte_stream.get_bytes(bit_ndx, bit_width)?;
 
         if let Some(last_byte) = bytes.last_mut() {
@@ -78,34 +82,47 @@ impl Field {
             let big_int = BigInt::from_signed_bytes_le(&bytes);
 
             Ok((big_int.to_string(), bit_width))
-        }
+        } else {
-        else {
             Err(ByteStreamError::OutOfRange.into())
         }
     }
 
-    fn format_uint(byte_stream: &ByteStream, bit_ndx: usize, bit_width: usize) -> Result<(String, usize), FormatError> {
+    fn format_uint(
+        byte_stream: &ByteStream,
+        bit_ndx: usize,
+        bit_width: usize,
+    ) -> Result<(String, usize), FormatError> {
         let bytes = byte_stream.get_bytes(bit_ndx, bit_width)?;
 
         let big_int = BigUint::from_bytes_le(&bytes);
         Ok((big_int.to_string(), bit_width))
     }
 
-    fn format_float(byte_stream: &ByteStream, bit_ndx: usize) -> Result<(String, usize), FormatError> {
+    fn format_float(
+        byte_stream: &ByteStream,
+        bit_ndx: usize,
+    ) -> Result<(String, usize), FormatError> {
         let bytes = byte_stream.get_bytes(bit_ndx, 32)?;
         let mut cursor = Cursor::new(bytes);
 
         Ok((cursor.read_f32::<LittleEndian>().unwrap().to_string(), 4))
     }
 
-    fn format_double(byte_stream: &ByteStream, bit_ndx: usize) -> Result<(String, usize), FormatError> {
+    fn format_double(
+        byte_stream: &ByteStream,
+        bit_ndx: usize,
+    ) -> Result<(String, usize), FormatError> {
         let bytes = byte_stream.get_bytes(bit_ndx, 64)?;
         let mut cursor = Cursor::new(bytes);
 
         Ok((cursor.read_f64::<LittleEndian>().unwrap().to_string(), 4))
     }
 
-    fn format_string(byte_stream: &ByteStream, mut bit_ndx: usize, max_byte_len: usize) -> Result<(String, usize), FormatError> {
+    fn format_string(
+        byte_stream: &ByteStream,
+        mut bit_ndx: usize,
+        max_byte_len: usize,
+    ) -> Result<(String, usize), FormatError> {
         let mut string_bytes = Vec::new();
 
         for _ in 0..max_byte_len {
@@ -123,14 +140,17 @@ impl Field {
         Ok((String::from_utf8(string_bytes)?, byte_count))
     }
 
-    fn format_bytes(byte_stream: &ByteStream, bit_ndx: usize, max_byte_len: usize) -> Result<(String, usize), FormatError> {
+    fn format_bytes(
-        let data_remaining = byte_stream.len() - bit_ndx/8;
+        byte_stream: &ByteStream,
+        bit_ndx: usize,
+        max_byte_len: usize,
+    ) -> Result<(String, usize), FormatError> {
+        let data_remaining = byte_stream.len() - bit_ndx / 8;
 
         let width = if max_byte_len < data_remaining {
-            max_byte_len*8
+            max_byte_len * 8
-        }
+        } else {
-        else {
+            data_remaining * 8
-            data_remaining*8
         };
 
         let data = byte_stream.get_bytes(bit_ndx, width)?;
@@ -138,14 +158,18 @@ impl Field {
         Ok((print_bytes_as_array(&data), width))
     }
 
-    fn format_data(&self, byte_stream: &ByteStream, bit_ndx: usize) -> Result<(String, usize), FormatError> {
+    fn format_data(
+        &self,
+        byte_stream: &ByteStream,
+        bit_ndx: usize,
+    ) -> Result<(String, usize), FormatError> {
         match self.field_type {
             FieldType::UInt { bit_width } => Self::format_uint(byte_stream, bit_ndx, bit_width),
             FieldType::Int { bit_width } => Self::format_int(byte_stream, bit_ndx, bit_width),
             FieldType::Float => Self::format_float(byte_stream, bit_ndx),
             FieldType::Double => Self::format_double(byte_stream, bit_ndx),
-            FieldType::String {max_len} => Self::format_string(byte_stream, bit_ndx, max_len),
+            FieldType::String { max_len } => Self::format_string(byte_stream, bit_ndx, max_len),
-            FieldType::Bytes {max_len} => Self::format_bytes(byte_stream, bit_ndx, max_len)
+            FieldType::Bytes { max_len } => Self::format_bytes(byte_stream, bit_ndx, max_len),
         }
     }
 }
@@ -183,12 +207,15 @@ impl Format {
 
 #[cfg(test)]
 mod tests {
-    use crate::formatter::format::{FieldType, Field};
     use crate::byte_stream::ByteStream;
+    use crate::formatter::format::{Field, FieldType};
 
     #[test]
     fn test_format_int_4_bits() {
-        let field = Field {field_type: FieldType::Int {bit_width: 4,}, name: "test".to_string()};
+        let field = Field {
+            field_type: FieldType::Int { bit_width: 4 },
+            name: "test".to_string(),
+        };
 
         for i in 0i8..7i8 {
             let mut byte_vec = Vec::new();
@@ -206,7 +233,10 @@ mod tests {
 
     #[test]
     fn test_format_int_5_bits() {
-        let field = Field {field_type: FieldType::Int {bit_width: 5,}, name: "test".to_string()};
+        let field = Field {
+            field_type: FieldType::Int { bit_width: 5 },
+            name: "test".to_string(),
+        };
         let byte_steam = ByteStream::from(vec![0x1B]);
         let (output, _) = field.format_data(&byte_steam, 0).unwrap();
 
@@ -215,8 +245,10 @@ mod tests {
 
     #[test]
     fn test_format_int_16_bits() {
-        let field = Field {field_type: FieldType::Int {bit_width: 16,}, name: "test".to_string()};
+        let field = Field {
-
+            field_type: FieldType::Int { bit_width: 16 },
+            name: "test".to_string(),
+        };
 
         let byte_steam = ByteStream::from(vec![0xFC, 0xA5]);
         let (output, _) = field.format_data(&byte_steam, 0).unwrap();
@@ -226,8 +258,10 @@ mod tests {
 
     #[test]
     fn test_format_int_16_bits_not_aligned() {
-        let field = Field {field_type: FieldType::Int {bit_width: 16,}, name: "test".to_string()};
+        let field = Field {
-
+            field_type: FieldType::Int { bit_width: 16 },
+            name: "test".to_string(),
+        };
 
         let byte_steam = ByteStream::from(vec![0xC0, 0x5F, 0x0A]);
         let (output, _) = field.format_data(&byte_steam, 4).unwrap();
@@ -237,7 +271,10 @@ mod tests {
 
     #[test]
     fn test_format_float() {
-        let field = Field {field_type: FieldType::Float, name: "test".to_string()};
+        let field = Field {
+            field_type: FieldType::Float,
+            name: "test".to_string(),
+        };
 
         let byte_steam = ByteStream::from(b"\x52\x58\xd2\xc3".to_vec());
         let (output, _) = field.format_data(&byte_steam, 0).unwrap();
@@ -247,7 +284,10 @@ mod tests {
 
     #[test]
     fn test_format_double() {
-        let field = Field {field_type: FieldType::Double, name: "test".to_string()};
+        let field = Field {
+            field_type: FieldType::Double,
+            name: "test".to_string(),
+        };
 
         let byte_steam = ByteStream::from(b"\xD7\xA3\x70\x3D\x0A\x4B\x7A\xC0".to_vec());
         let (output, _) = field.format_data(&byte_steam, 0).unwrap();
@@ -257,7 +297,10 @@ mod tests {
 
     #[test]
     fn test_format_float_err() {
-        let field = Field {field_type: FieldType::Double, name: "test".to_string()};
+        let field = Field {
+            field_type: FieldType::Double,
+            name: "test".to_string(),
+        };
 
         let byte_steam = ByteStream::from(b"\x3D\x70\xA3\xD7".to_vec());
 
@@ -266,7 +309,10 @@ mod tests {
 
     #[test]
     fn test_format_string() {
-        let field = Field {field_type: FieldType::String {max_len: 16}, name: "test".to_string()};
+        let field = Field {
+            field_type: FieldType::String { max_len: 16 },
+            name: "test".to_string(),
+        };
 
         let byte_steam = ByteStream::from(b"Hello World!\0".to_vec());
 
@@ -277,7 +323,10 @@ mod tests {
 
     #[test]
     fn test_format_bytes() {
-        let field = Field {field_type: FieldType::Bytes {max_len: 2}, name: "test".to_string()};
+        let field = Field {
+            field_type: FieldType::Bytes { max_len: 2 },
+            name: "test".to_string(),
+        };
 
         let byte_steam = ByteStream::from(vec![0xDE, 0xAD, 0xBE, 0xEF]);
 
@@ -288,7 +337,10 @@ mod tests {
 
     #[test]
     fn test_format_bytes_max_len_bigger_than_data() {
-        let field = Field {field_type: FieldType::Bytes {max_len: 64}, name: "test".to_string()};
+        let field = Field {
+            field_type: FieldType::Bytes { max_len: 64 },
+            name: "test".to_string(),
+        };
 
         let byte_steam = ByteStream::from(vec![0xDE, 0xAD]);
 
@@ -299,9 +351,14 @@ mod tests {
 
     #[test]
     fn test_ccsds_apid_issue() {
-        let field = Field {field_type: FieldType::UInt {bit_width: 11}, name: "test".to_string()};
+        let field = Field {
+            field_type: FieldType::UInt { bit_width: 11 },
+            name: "test".to_string(),
+        };
 
-        let byte_steam = ByteStream::from(vec![0xe0, 0xa1, 0xc0, 0x00, 0x05, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05]);
+        let byte_steam = ByteStream::from(vec![
+            0xe0, 0xa1, 0xc0, 0x00, 0x05, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
+        ]);
 
         let (output, _) = field.format_data(&byte_steam, 5).unwrap();
 

src/formatter/printers.rs

@@ -1,5 +1,3 @@
-
-
 pub fn print_bytes_as_array(data: &[u8]) -> String {
     format!("{:?}", data)
 }

src/main.rs

@@ -35,6 +35,6 @@ fn main() {
 
     match format.format_data(&data) {
         Ok(data_str) => println!("{}", data_str),
-        Err(_) => println!("Error formatting data")
+        Err(_) => println!("Error formatting data"),
     }
 }

src/parser/mod.rs

@@ -27,7 +27,7 @@ fn bytes_from_str_array(src: Vec<String>) -> Result<Vec<u8>, ByteArrayParseErr>
                 str::parse(element)
             }
         })
-        .map(|e| e.map_err( ByteArrayParseErr::from ))
+        .map(|e| e.map_err(ByteArrayParseErr::from))
         .collect()
 }