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/*! # Base64 Stream To encode/decode large data with the standard Base64 encoding. ## Examples ### Encode #### ToBase64Reader ```rust extern crate base64_stream; use std::io::{Cursor, Read}; use base64_stream::ToBase64Reader; let test_data = b"Hi there, this is a simple sentence used for testing this crate. I hope all cases are correct.".to_vec(); let mut reader = ToBase64Reader::new(Cursor::new(test_data)); let mut base64 = String::new(); reader.read_to_string(&mut base64).unwrap(); assert_eq!("SGkgdGhlcmUsIHRoaXMgaXMgYSBzaW1wbGUgc2VudGVuY2UgdXNlZCBmb3IgdGVzdGluZyB0aGlzIGNyYXRlLiBJIGhvcGUgYWxsIGNhc2VzIGFyZSBjb3JyZWN0Lg==", base64); ``` #### ToBase64Writer ```rust extern crate base64_stream; use std::fs::{self, File}; use std::io::Write; use std::path::Path; use base64_stream::ToBase64Writer; const DATA_FOLDER: &str = "data"; const ENCODE_OUTPUT: &str = "encode_output.txt"; let test_data = b"Hi there, this is a simple sentence used for testing this crate. I hope all cases are correct.".as_ref(); let file_path = Path::new("tests").join(DATA_FOLDER).join(ENCODE_OUTPUT); let base64 = File::create(file_path.as_path()).unwrap(); let mut writer = ToBase64Writer::new(base64); writer.write_all(test_data).unwrap(); writer.flush().unwrap(); // the flush method is only used when the full plain data has been written assert_eq!("SGkgdGhlcmUsIHRoaXMgaXMgYSBzaW1wbGUgc2VudGVuY2UgdXNlZCBmb3IgdGVzdGluZyB0aGlzIGNyYXRlLiBJIGhvcGUgYWxsIGNhc2VzIGFyZSBjb3JyZWN0Lg==", fs::read_to_string(file_path).unwrap()); ``` ### Decode #### FromBase64Reader ```rust extern crate base64_stream; use std::io::Cursor; use std::io::Read; use base64_stream::FromBase64Reader; let base64 = b"SGkgdGhlcmUsIHRoaXMgaXMgYSBzaW1wbGUgc2VudGVuY2UgdXNlZCBmb3IgdGVzdGluZyB0aGlzIGNyYXRlLiBJIGhvcGUgYWxsIGNhc2VzIGFyZSBjb3JyZWN0Lg==".to_vec(); let mut reader = FromBase64Reader::new(Cursor::new(base64)); let mut test_data = String::new(); reader.read_to_string(&mut test_data).unwrap(); assert_eq!("Hi there, this is a simple sentence used for testing this crate. I hope all cases are correct.", test_data); ``` #### FromBase64Writer ```rust extern crate base64_stream; use std::fs::{self, File}; use std::io::Write; use std::path::Path; use base64_stream::FromBase64Writer; const DATA_FOLDER: &str = "data"; const DECODE_OUTPUT: &str = "decode_output.txt"; let base64 = b"SGkgdGhlcmUsIHRoaXMgaXMgYSBzaW1wbGUgc2VudGVuY2UgdXNlZCBmb3IgdGVzdGluZyB0aGlzIGNyYXRlLiBJIGhvcGUgYWxsIGNhc2VzIGFyZSBjb3JyZWN0Lg==".as_ref(); let file_path = Path::new("tests").join(DATA_FOLDER).join(DECODE_OUTPUT); let test_data = File::create(file_path.as_path()).unwrap(); let mut writer = FromBase64Writer::new(test_data); writer.write_all(base64).unwrap(); writer.flush().unwrap(); // the flush method is only used when the full base64 data has been written assert_eq!("Hi there, this is a simple sentence used for testing this crate. I hope all cases are correct.", fs::read_to_string(file_path).unwrap()); ``` ## Change the Buffer Size The default buffer size is 4096 bytes. If you want to change that, you can use the `new2` associated function and define a length explicitly to create an instance of the above structs. For example, to change the buffer size to 256 bytes, ```rust extern crate base64_stream; use std::io::{Cursor, Read}; use base64_stream::ToBase64Reader; use base64_stream::generic_array::typenum::U256; let test_data = b"Hi there, this is a simple sentence used for testing this crate. I hope all cases are correct.".to_vec(); let mut reader: ToBase64Reader<_, U256> = ToBase64Reader::new2(Cursor::new(test_data)); let mut base64 = String::new(); reader.read_to_string(&mut base64).unwrap(); assert_eq!("SGkgdGhlcmUsIHRoaXMgaXMgYSBzaW1wbGUgc2VudGVuY2UgdXNlZCBmb3IgdGVzdGluZyB0aGlzIGNyYXRlLiBJIGhvcGUgYWxsIGNhc2VzIGFyZSBjb3JyZWN0Lg==", base64); ``` */ pub extern crate base64; pub extern crate generic_array; #[macro_use] extern crate educe; mod from_base64_reader; mod from_base64_writer; mod to_base64_reader; mod to_base64_writer; pub use from_base64_reader::*; pub use from_base64_writer::*; pub use to_base64_reader::*; pub use to_base64_writer::*;