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Diffstat (limited to 'vendor/flate2/examples/zlibdecoder-write.rs')
-rw-r--r-- | vendor/flate2/examples/zlibdecoder-write.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/flate2/examples/zlibdecoder-write.rs b/vendor/flate2/examples/zlibdecoder-write.rs new file mode 100644 index 0000000..7f5afbe --- /dev/null +++ b/vendor/flate2/examples/zlibdecoder-write.rs @@ -0,0 +1,24 @@ +use flate2::write::ZlibDecoder; +use flate2::write::ZlibEncoder; +use flate2::Compression; +use std::io; +use std::io::prelude::*; + +// Compress a sample string and print it after transformation. +fn main() { + let mut e = ZlibEncoder::new(Vec::new(), Compression::default()); + e.write_all(b"Hello World").unwrap(); + let bytes = e.finish().unwrap(); + println!("{}", decode_reader(bytes).unwrap()); +} + +// Uncompresses a Zlib Encoded vector of bytes and returns a string or error +// Here Vec<u8> implements Write +fn decode_reader(bytes: Vec<u8>) -> io::Result<String> { + let mut writer = Vec::new(); + let mut z = ZlibDecoder::new(writer); + z.write_all(&bytes[..])?; + writer = z.finish()?; + let return_string = String::from_utf8(writer).expect("String parsing error"); + Ok(return_string) +} |