http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/wvstreams/wvbase64.h

/* -*- Mode: C++ -*- * Worldvisions Weaver Software: * Copyright (C) 1997-2002 Net Integration Technologies, Inc. * * Base64 encoder and decoder implementations. */ #ifndef __WVBASE64_H #define __WVBASE64_H #include "wvencoder.h" /** * A base 64 encoder. * * On finish(), outputs any needed pad characters. * * Supports reset(). * */ class WvBase64Encoder : public WvEncoder { enum State { ATBIT0, ATBIT2, ATBIT4 }; State state; unsigned int bits; // remaining bits shifted left 8 bits public: /** Creates a base 64 encoder. */ WvBase64Encoder(); virtual ~WvBase64Encoder() { } protected: // on flush, outputs any needed pad characters virtual bool _encode(WvBuf &in, WvBuf &out, bool flush); virtual bool _finish(WvBuf &out); virtual bool _reset(); // supported }; /** * A base 64 decoder. * * Becomes isfinished() == true on detection of padding. * * Supports reset(). * */ class WvBase64Decoder : public WvEncoder { enum State { ATBIT0, ATBIT2, ATBIT4, ATBIT6, PAD }; State state; unsigned int bits; // remaining bits shifted left 6 bits public: /** Creates a base 64 decoder. */ WvBase64Decoder(); virtual ~WvBase64Decoder() { } protected: virtual bool _encode(WvBuf &in, WvBuf &out, bool flush); virtual bool _reset(); // supported }; #endif // __WVBASE64_H