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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/SpecialHandler.hpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/src/SpecialHandler.hpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/SpecialHandler.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/SpecialHandler.hpp new file mode 100644 index 00000000000..1822181ad4c --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/src/SpecialHandler.hpp @@ -0,0 +1,81 @@ +/************************************************************************* +** SpecialHandler.hpp ** +** ** +** This file is part of dvisvgm -- a fast DVI to SVG converter ** +** Copyright (C) 2005-2017 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 SPECIALHANDLER_HPP +#define SPECIALHANDLER_HPP + +#include <istream> +#include <list> +#include "MessageException.hpp" + + +class SpecialActions; +class SpecialManager; + + +struct SpecialException : public MessageException +{ + SpecialException (const std::string &msg) : MessageException(msg) {} +}; + + +struct DVIPreprocessingListener +{ + virtual ~DVIPreprocessingListener () =default; + virtual void dviPreprocessingFinished () =0; +}; + + +struct DVIBeginPageListener +{ + virtual ~DVIBeginPageListener () =default; + virtual void dviBeginPage (unsigned pageno, SpecialActions &actions) =0; +}; + + +struct DVIEndPageListener +{ + virtual ~DVIEndPageListener () =default; + virtual void dviEndPage (unsigned pageno, SpecialActions &actions) =0; +}; + + +struct DVIPositionListener +{ + virtual ~DVIPositionListener () =default; + virtual void dviMovedTo (double x, double y, SpecialActions &actions) =0; +}; + + +class SpecialHandler +{ + friend class SpecialManager; + public: + virtual ~SpecialHandler () =default; + virtual const char** prefixes () const=0; + virtual const char* info () const=0; + virtual const char* name () const=0; + virtual void setDviScaleFactor (double dvi2bp) {} + virtual void preprocess (const char *prefix, std::istream &is, SpecialActions &actions) {} + virtual bool process (const char *prefix, std::istream &is, SpecialActions &actions)=0; +}; + + +#endif |