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Diffstat (limited to '3rdParty/libb64/include/b64/decode.h')
-rw-r--r-- | 3rdParty/libb64/include/b64/decode.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/3rdParty/libb64/include/b64/decode.h b/3rdParty/libb64/include/b64/decode.h new file mode 100644 index 0000000..12b16ea --- /dev/null +++ b/3rdParty/libb64/include/b64/decode.h @@ -0,0 +1,70 @@ +// :mode=c++: +/* +decode.h - c++ wrapper for a base64 decoding algorithm + +This is part of the libb64 project, and has been placed in the public domain. +For details, see http://sourceforge.net/projects/libb64 +*/ +#ifndef BASE64_DECODE_H +#define BASE64_DECODE_H + +#include <iostream> + +namespace base64 +{ + extern "C" + { + #include "cdecode.h" + } + + struct decoder + { + base64_decodestate _state; + int _buffersize; + + decoder(int buffersize_in = BUFFERSIZE) + : _buffersize(buffersize_in) + {} + + int decode(char value_in) + { + return base64_decode_value(value_in); + } + + int decode(const char* code_in, const int length_in, char* plaintext_out) + { + return base64_decode_block(code_in, length_in, plaintext_out, &_state); + } + + void decode(std::istream& istream_in, std::ostream& ostream_in) + { + base64_init_decodestate(&_state); + // + const int N = _buffersize; + char* code = new char[N]; + char* plaintext = new char[N]; + int codelength; + int plainlength; + + do + { + istream_in.read((char*)code, N); + codelength = istream_in.gcount(); + plainlength = decode(code, codelength, plaintext); + ostream_in.write((const char*)plaintext, plainlength); + } + while (istream_in.good() && codelength > 0); + // + base64_init_decodestate(&_state); + + delete [] code; + delete [] plaintext; + } + }; + +} // namespace base64 + + + +#endif // BASE64_DECODE_H + |