/************************************************************************* ** DvisvgmSpecialHandler.hpp ** ** ** ** This file is part of dvisvgm -- a fast DVI to SVG converter ** ** Copyright (C) 2005-2018 Martin Gieseking ** ** ** ** 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 . ** *************************************************************************/ #ifndef DVISVGMSPECIALHANDLER_HPP #define DVISVGMSPECIALHANDLER_HPP #include #include #include #include "SpecialHandler.hpp" class InputReader; class SpecialActions; class DvisvgmSpecialHandler : public SpecialHandler, public DVIPreprocessingListener, public DVIEndPageListener { using StringVector = std::vector; using MacroMap = std::unordered_map; public: DvisvgmSpecialHandler (); const char* name () const override {return "dvisvgm";} const char* info () const override {return "special set for embedding raw SVG snippets";} const std::vector prefixes () const override; void preprocess (const char *prefix, std::istream &is, SpecialActions &actions) override; bool process (const char *prefix, std::istream &is, SpecialActions &actions) override; protected: void preprocessRaw (InputReader &ir); void preprocessRawDef (InputReader &ir); void preprocessRawSet (InputReader &ir); void preprocessEndRawSet (InputReader &ir); void preprocessRawPut (InputReader &ir); void processRaw (InputReader &ir, SpecialActions &actions); void processRawDef (InputReader &ir, SpecialActions &actions); void processRawSet (InputReader &ir, SpecialActions &actions); void processEndRawSet (InputReader &ir, SpecialActions &actions); void processRawPut (InputReader &ir, SpecialActions &actions); void processBBox (InputReader &ir, SpecialActions &actions); void processImg (InputReader &ir, SpecialActions &actions); void dviPreprocessingFinished () override; void dviEndPage (unsigned pageno, SpecialActions &actions) override; private: MacroMap _macros; MacroMap::iterator _currentMacro; int _nestingLevel; }; #endif