Mercurial > hg > piper-cpp
diff base-n/example/basen_example.cpp @ 75:81e1c48e97f9
Rearrange and rename to Piper C++ structure
author | Chris Cannam <c.cannam@qmul.ac.uk> |
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date | Mon, 10 Oct 2016 16:31:09 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/base-n/example/basen_example.cpp Mon Oct 10 16:31:09 2016 +0100 @@ -0,0 +1,94 @@ +/** + * base-n, 1.0 + * Copyright (C) 2012 Andrzej Zawadzki (azawadzki@gmail.com) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. +**/ +#include <cassert> +#include <cstring> +#include <iostream> +#include <iterator> +#include <string> + +#include "basen.hpp" + +int main() +{ + using namespace std; + string in = "Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure."; + cout << in << endl; + + { + string encoded; + bn::encode_b64(in.begin(), in.end(), back_inserter(encoded)); + bn::decode_b64(encoded.begin(), encoded.end(), ostream_iterator<char>(cout, "")); + cout << endl; + } + { + string encoded; + bn::encode_b32(in.begin(), in.end(), back_inserter(encoded)); + bn::decode_b32(encoded.begin(), encoded.end(), ostream_iterator<char>(cout, "")); + cout << endl; + } + { + string encoded; + bn::encode_b16(in.begin(), in.end(), back_inserter(encoded)); + bn::decode_b16(encoded.begin(), encoded.end(), ostream_iterator<char>(cout, "")); + cout << endl; + } + { + string encoded = "#TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz\n" + "IHNpbmd1bGFyIHBhc3Npb24gZnJvbS@BvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg\n" + " dGhlIG1(pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu\n" + "\rdWVkIGFuZCBpbmRlZmF0aWdhY*mxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo\n" + "ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4"; + bn::decode_b64(encoded.begin(), encoded.end(), ostream_iterator<char>(cout, "")); + cout << endl; + } + { + // move the struct definition outside of main() for non-C++11 compilers + struct b8_custom + { + static size_t group_length() + { + return 3; + } + + static char encode(unsigned int index) + { + const char* const dictionary = "01234567"; + assert(index < strlen(dictionary)); + return dictionary[index]; + } + + static char decode(char c) + { + if (c >= '0' && c <= '7') { + return c - '0'; + } + return -1; + } + }; + string encoded; + bn::impl::encode<b8_custom>(in.begin(), in.end(), back_inserter(encoded)); + bn::impl::decode<b8_custom>(encoded.begin(), encoded.end(), ostream_iterator<char>(cout, "")); + cout << endl; + } +} +