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authorValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
committerValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
commit1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch)
tree7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/flate2/examples/gzdecoder-write.rs
parent5ecd8cf2cba827454317368b68571df0d13d7842 (diff)
downloadfparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.tar.xz
fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.zip
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
Diffstat (limited to 'vendor/flate2/examples/gzdecoder-write.rs')
-rw-r--r--vendor/flate2/examples/gzdecoder-write.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/flate2/examples/gzdecoder-write.rs b/vendor/flate2/examples/gzdecoder-write.rs
new file mode 100644
index 0000000..6cee8f8
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+++ b/vendor/flate2/examples/gzdecoder-write.rs
@@ -0,0 +1,24 @@
+use flate2::write::{GzDecoder, GzEncoder};
+use flate2::Compression;
+use std::io;
+use std::io::prelude::*;
+
+// Compress a sample string and print it after transformation.
+fn main() {
+ let mut e = GzEncoder::new(Vec::new(), Compression::default());
+ e.write_all(b"Hello World").unwrap();
+ let bytes = e.finish().unwrap();
+ println!("{}", decode_writer(bytes).unwrap());
+}
+
+// Uncompresses a Gz Encoded vector of bytes and returns a string or error
+// Here &[u8] implements Read
+fn decode_writer(bytes: Vec<u8>) -> io::Result<String> {
+ let mut writer = Vec::new();
+ let mut decoder = GzDecoder::new(writer);
+ decoder.write_all(&bytes[..])?;
+ decoder.try_finish()?;
+ writer = decoder.finish()?;
+ let return_string = String::from_utf8(writer).expect("String parsing error");
+ Ok(return_string)
+}