Expose the raw file name of a file

We still do most operations with normal Strings, but a user can now also get the raw bytes.

Resolves #26

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 
 name = "zip"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Mathijs van de Nes <git@mathijs.vd-nes.nl>"]
 license = "MIT"
 repository = "https://github.com/mvdnes/zip-rs.git"

examples/extract.rs

@@ -39,7 +39,7 @@ fn real_main() -> i32
 
         if (&*file.name()).ends_with("/") {
             create_directory(&outpath, perms);
-            
+
         }
         else {
             write_file(&mut file, &outpath, perms);

src/read.rs

@@ -212,7 +212,7 @@ fn central_header_to_zip_file<R: Read+io::Seek>(reader: &mut R) -> ZipResult<Zip
     let file_name = match is_utf8
     {
         true => String::from_utf8_lossy(&*file_name_raw).into_owned(),
-        false => file_name_raw.from_cp437(),
+        false => file_name_raw.clone().from_cp437(),
     };
     let file_comment = match is_utf8
     {
@@ -249,6 +249,7 @@ fn central_header_to_zip_file<R: Read+io::Seek>(reader: &mut R) -> ZipResult<Zip
         compressed_size: compressed_size as u64,
         uncompressed_size: uncompressed_size as u64,
         file_name: file_name,
+        file_name_raw: file_name_raw,
         file_comment: file_comment,
         header_start: offset,
         data_start: data_start,
@@ -297,6 +298,10 @@ impl<'a> ZipFile<'a> {
     pub fn name(&self) -> &str {
         &*self.data.file_name
     }
+    /// Get the name of the file, in the raw (internal) byte representation.
+    pub fn name_raw(&self) -> &[u8] {
+        &*self.data.file_name_raw
+    }
     /// Get the comment of the file
     pub fn comment(&self) -> &str {
         &*self.data.file_comment

src/types.rs

@@ -49,6 +49,8 @@ pub struct ZipFileData
     pub uncompressed_size: u64,
     /// Name of the file
     pub file_name: String,
+    /// Raw file name. To be used when file_name was incorrectly decoded.
+    pub file_name_raw: Vec<u8>,
     /// File comment
     pub file_comment: String,
     /// Specifies where the local header of the file starts

src/write.rs

@@ -178,6 +178,8 @@ impl<W: Write+io::Seek> ZipWriter<W>
             let header_start = try!(writer.seek(io::SeekFrom::Current(0)));
 
             let permissions = options.permissions.unwrap_or(0o100644);
+            let file_name = name.into();
+            let file_name_raw = file_name.clone().into_bytes();
             let mut file = ZipFileData
             {
                 system: System::Unix,
@@ -188,7 +190,8 @@ impl<W: Write+io::Seek> ZipWriter<W>
                 crc32: 0,
                 compressed_size: 0,
                 uncompressed_size: 0,
-                file_name: name.into(),
+                file_name: file_name,
+                file_name_raw: file_name_raw,
                 file_comment: String::new(),
                 header_start: header_start,
                 data_start: 0,