Add Gzip compression for psc and lz

bff-cli/src/lz.rs

@@ -4,6 +4,8 @@ use std::io::{self, BufWriter, Cursor, Read, Write};
 use bff::lz::{
     arcode_compress_data_with_header_writer,
     arcode_decompress_data_with_header_parser,
+    gzip_compress_data_with_header_writer,
+    gzip_decompress_data_with_header_parser,
     lz4_compress_data_with_header_writer,
     lz4_decompress_data_with_header_parser,
     lzo_compress,
@@ -32,6 +34,7 @@ pub enum LzAlgorithm {
     Lz4,
     Arcode,
     Zlib,
+    Gzip,
 }
 
 fn lz_internal<R: Read, W: Write>(
@@ -51,6 +54,7 @@ fn lz_internal<R: Read, W: Write>(
         LzAlgorithm::Lz4 => lz4_compress_data_with_header_writer(&buf, &mut writer, endian)?,
         LzAlgorithm::Arcode => arcode_compress_data_with_header_writer(&buf, &mut writer, endian)?,
         LzAlgorithm::Zlib => zlib_compress_data_with_header_writer(&buf, &mut writer, endian)?,
+        LzAlgorithm::Gzip => gzip_compress_data_with_header_writer(&buf, &mut writer, endian)?,
     };
 
     compressed.write_all(&writer.into_inner())?;
@@ -114,6 +118,7 @@ fn unlz_internal<R: Read, W: Write>(
         LzAlgorithm::Lz4 => lz4_decompress_data_with_header_parser(&mut reader, endian)?,
         LzAlgorithm::Arcode => arcode_decompress_data_with_header_parser(&mut reader, endian)?,
         LzAlgorithm::Zlib => zlib_decompress_data_with_header_parser(&mut reader, endian)?,
+        LzAlgorithm::Gzip => gzip_decompress_data_with_header_parser(&mut reader, endian)?,
     };
 
     uncompressed.write_all(&decompressed)?;

bff-cli/src/main.rs

@@ -209,8 +209,16 @@ fn main() -> BffCliResult<()> {
         ),
         Commands::RoundTrip { bigfile } => round_trip::round_trip(bigfile),
         Commands::Csc { input, output, key } => csc::csc(input, output, key),
-        Commands::ExtractPsc { psc, directory, algorithm } => psc::extract_psc(psc, directory, algorithm),
-        Commands::CreatePsc { directory, psc, algorithm } => psc::create_psc(directory, psc, algorithm),
+        Commands::ExtractPsc {
+            psc,
+            directory,
+            algorithm,
+        } => psc::extract_psc(psc, directory, algorithm),
+        Commands::CreatePsc {
+            directory,
+            psc,
+            algorithm,
+        } => psc::create_psc(directory, psc, algorithm),
         Commands::ExtractFatLin {
             fat,
             lin,

bff-cli/src/psc.rs

@@ -12,6 +12,7 @@ use crate::error::BffCliResult;
 pub enum PscAlgorithm {
     None,
     Lz4,
+    Gzip,
 }
 
 impl From<PscAlgorithm> for bff::tsc::PscAlgorithm {
@@ -19,15 +20,12 @@ impl From<PscAlgorithm> for bff::tsc::PscAlgorithm {
         match algorithm {
             PscAlgorithm::None => Self::None,
             PscAlgorithm::Lz4 => Self::Lz4,
+            PscAlgorithm::Gzip => Self::Gzip,
         }
     }
 }
 
-pub fn extract_psc(
-    psc: &Path,
-    directory: &Path,
-    algorithm: &PscAlgorithm,
-) -> BffCliResult<()> {
+pub fn extract_psc(psc: &Path, directory: &Path, algorithm: &PscAlgorithm) -> BffCliResult<()> {
     let mut psc_reader = BufReader::new(File::open(psc)?);
     let psc = Psc::read(&mut psc_reader, (*algorithm).into())?;
 
@@ -63,11 +61,7 @@ fn read_files_into_psc_recursively(
     Ok(())
 }
 
-pub fn create_psc(
-    directory: &Path,
-    psc_path: &Path,
-    algorithm: &PscAlgorithm,
-) -> BffCliResult<()> {
+pub fn create_psc(directory: &Path, psc_path: &Path, algorithm: &PscAlgorithm) -> BffCliResult<()> {
     let mut psc = Psc::default();
     read_files_into_psc_recursively(&mut psc, directory, directory)?;
 

bff/src/lz/gzip.rs

@@ -0,0 +1,47 @@
+use std::io::{Read, Seek, Write};
+
+use binrw::{BinResult, Endian};
+use flate2::read::MultiGzDecoder;
+use flate2::write::GzEncoder;
+use flate2::Compression;
+
+use crate::BffResult;
+
+#[binrw::writer(writer)]
+pub fn gzip_compress_data_with_header_writer_internal(data: &[u8]) -> BinResult<()> {
+    let mut gz = GzEncoder::new(writer, Compression::fast());
+    gz.write_all(data)?;
+    Ok(())
+}
+
+pub fn gzip_compress_data_with_header_writer<W: Write + Seek>(
+    data: &[u8],
+    writer: &mut W,
+    endian: Endian,
+) -> BffResult<()> {
+    Ok(gzip_compress_data_with_header_writer_internal(
+        data,
+        writer,
+        endian,
+        (),
+    )?)
+}
+
+#[binrw::parser(reader)]
+pub fn gzip_decompress_data_with_header_parser_internal() -> BinResult<Vec<u8>> {
+    let mut gz = MultiGzDecoder::new(reader);
+    let mut buf = Vec::new();
+    gz.read_to_end(&mut buf)?;
+    Ok(buf)
+}
+
+pub fn gzip_decompress_data_with_header_parser<R: Read + Seek>(
+    reader: &mut R,
+    endian: Endian,
+) -> BffResult<Vec<u8>> {
+    Ok(gzip_decompress_data_with_header_parser_internal(
+        reader,
+        endian,
+        (),
+    )?)
+}

bff/src/lz/mod.rs

@@ -1,10 +1,12 @@
 mod arcode;
+mod gzip;
 mod lz4;
 mod lzo;
 mod lzrs;
 mod zlib;
 
 pub use arcode::*;
+pub use gzip::*;
 pub use lz4::*;
 pub use lzo::*;
 pub use lzrs::*;

bff/src/tsc/psc.rs

@@ -8,6 +8,8 @@ use itertools::Itertools;
 
 use crate::helpers::StringUntilNull;
 use crate::lz::{
+    gzip_compress_data_with_header_writer_internal,
+    gzip_decompress_data_with_header_parser_internal,
     lz4_compress_data_with_header_writer_internal,
     lz4_decompress_data_with_header_parser_internal,
 };
@@ -43,10 +45,6 @@ impl BinRead for Psc {
         while reader.stream_position()? != end {
             let path_string = StringUntilNull::read(reader)?.0;
             let path = PathBuf::from(path_string);
-            let cr = u8::read_le(reader)?;
-            assert_eq!(cr, 0x0D);
-            let lf = u8::read_le(reader)?;
-            assert_eq!(lf, 0x0A);
             let data = StringUntilNull::read(reader)?.0;
             psc.tscs.insert(path, data);
         }
@@ -73,7 +71,7 @@ impl BinWrite for Psc {
                     .join("\\")
                     .as_bytes(),
             )?;
-            writer.write_all(&[0x00, 0x0D, 0x0A])?;
+            writer.write_all(&[0x00])?;
             writer.write_all(data.as_bytes())?;
             writer.write_all(&[0x00])?;
         }
@@ -86,13 +84,11 @@ impl BinWrite for Psc {
 pub enum PscAlgorithm {
     None,
     Lz4,
+    Gzip,
 }
 
 impl Psc {
-    pub fn read<R: Read + Seek>(
-        reader: &mut R,
-        psc_compression: PscAlgorithm,
-    ) -> BffResult<Self> {
+    pub fn read<R: Read + Seek>(reader: &mut R, psc_compression: PscAlgorithm) -> BffResult<Self> {
         match psc_compression {
             PscAlgorithm::None => Ok(<Self as BinRead>::read(reader)?),
             PscAlgorithm::Lz4 => {
@@ -102,6 +98,15 @@ impl Psc {
                     (),
                 )?);
 
+                Ok(<Self as BinRead>::read(&mut psc_data)?)
+            }
+            PscAlgorithm::Gzip => {
+                let mut psc_data = Cursor::new(gzip_decompress_data_with_header_parser_internal(
+                    reader,
+                    Endian::Little,
+                    (),
+                )?);
+
                 Ok(<Self as BinRead>::read(&mut psc_data)?)
             }
         }
@@ -127,6 +132,14 @@ impl Psc {
                     (),
                 )?;
             }
+            PscAlgorithm::Gzip => {
+                gzip_compress_data_with_header_writer_internal(
+                    &psc_data.into_inner(),
+                    writer,
+                    Endian::Little,
+                    (),
+                )?;
+            }
         }
 
         Ok(())