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Diffstat (limited to 'dviware/dvisvgm/src/HashFunction.hpp')
-rw-r--r-- | dviware/dvisvgm/src/HashFunction.hpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/dviware/dvisvgm/src/HashFunction.hpp b/dviware/dvisvgm/src/HashFunction.hpp new file mode 100644 index 0000000000..1b1259393f --- /dev/null +++ b/dviware/dvisvgm/src/HashFunction.hpp @@ -0,0 +1,47 @@ +/************************************************************************* +** HashFunction.hpp ** +** ** +** This file is part of dvisvgm -- a fast DVI to SVG converter ** +** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> ** +** ** +** This program is free software; you can redistribute it and/or ** +** modify it under the terms of the GNU General Public License as ** +** published by the Free Software Foundation; either version 3 of ** +** the License, or (at your option) any later version. ** +** ** +** This program is distributed in the hope that it will be useful, but ** +** WITHOUT ANY WARRANTY; without even the implied warranty of ** +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** +** GNU General Public License for more details. ** +** ** +** You should have received a copy of the GNU General Public License ** +** along with this program; if not, see <http://www.gnu.org/licenses/>. ** +*************************************************************************/ + +#ifndef HASHFUNCTION_HPP +#define HASHFUNCTION_HPP + +#include <memory> +#include <string> +#include <vector> + +/** Common base class for all hash functions. */ +class HashFunction { + public: + virtual ~HashFunction () =default; + virtual int digestSize () const =0; + virtual void reset () =0; + virtual void update (const char *data, size_t length) =0; + virtual void update (const std::string &data) =0; + virtual void update (const std::vector<uint8_t> &data) =0; + virtual std::vector<uint8_t> digestValue () const =0; + std::string digestString () const; + static std::vector<std::string> supportedAlgorithms (); + static bool isSupportedAlgorithm (const std::string &algo); + static std::unique_ptr<HashFunction> create (const std::string &name); + static std::unique_ptr<HashFunction> create (const std::string &name, const char *data, size_t length); + static std::unique_ptr<HashFunction> create (const std::string &name, const std::string &data); + static std::unique_ptr<HashFunction> create (const std::string &name, const std::vector<uint8_t> &data); +}; + +#endif |