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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/InputReader.h')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/src/InputReader.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/InputReader.h b/Build/source/texk/dvisvgm/dvisvgm-src/src/InputReader.h new file mode 100644 index 00000000000..5cf43b6142d --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/src/InputReader.h @@ -0,0 +1,90 @@ +/************************************************************************* +** InputReader.h ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2015 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 DVISVGM_INPUTREADER_H +#define DVISVGM_INPUTREADER_H + +#include <istream> +#include <map> +#include <string> +#include "InputBuffer.h" + + +class InputReader +{ + public: + virtual ~InputReader() {} + virtual int get () =0; + virtual int peek () const =0; + virtual int peek (size_t n) const =0; + virtual bool eof () const =0; + virtual bool check (char c) const {return peek() == c;} + virtual bool check (const char *s, bool consume=true); + virtual int compare (const char *s, bool consume=true); + virtual void skip (size_t n); + virtual bool skipUntil (const char *s, bool consume=true); + virtual int find (char c) const; + virtual void skipSpace (); + virtual int getInt (); + virtual bool parseInt (int &val, bool accept_sign=true); + virtual bool parseInt (int base, int &val); + virtual bool parseUInt (unsigned &val); + virtual char parseDouble (double &val); + virtual double getDouble (); + virtual std::string getWord (); + virtual char getPunct (); + virtual std::string getQuotedString (char quotechar); + virtual std::string getString (); + virtual std::string getString (size_t n); + virtual std::string getLine (); + virtual int parseAttributes (std::map<std::string,std::string> &attr, char quotechar=0); + virtual operator bool () const {return !eof();} +}; + + +class StreamInputReader : public InputReader +{ + public: + StreamInputReader (std::istream &is) : _is(is) {} + int get () {return _is.get();} + int peek () const {return _is.peek();} + int peek (size_t n) const; + bool eof () const {return !_is || _is.eof();} + + private: + std::istream &_is; +}; + + +class BufferInputReader : public InputReader +{ + public: + BufferInputReader (InputBuffer &ib) : _ib(&ib) {} + void assign (InputBuffer &ib) {_ib = &ib;} + int get () {return _ib->get();} + int peek () const {return _ib->peek();} + int peek (size_t n) const {return _ib->peek(n);} + bool eof () const {return _ib->eof();} + + private: + InputBuffer *_ib; +}; + +#endif |