diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/src/SpecialManager.hpp |
Initial commit
Diffstat (limited to 'dviware/dvisvgm/src/SpecialManager.hpp')
-rw-r--r-- | dviware/dvisvgm/src/SpecialManager.hpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/dviware/dvisvgm/src/SpecialManager.hpp b/dviware/dvisvgm/src/SpecialManager.hpp new file mode 100644 index 0000000000..fe88eaf58e --- /dev/null +++ b/dviware/dvisvgm/src/SpecialManager.hpp @@ -0,0 +1,62 @@ +/************************************************************************* +** SpecialManager.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 SPECIALMANAGER_HPP +#define SPECIALMANAGER_HPP + +#include <memory> +#include <ostream> +#include <string> +#include <unordered_map> +#include <vector> +#include "SpecialHandler.hpp" + +class SpecialActions; + +class SpecialManager { + private: + using HandlerPool = std::vector<std::unique_ptr<SpecialHandler>>; + using HandlerMap = std::unordered_map<std::string,SpecialHandler*>; + + public: + SpecialManager (const SpecialManager &) =delete; + static SpecialManager& instance (); + void registerHandler (std::unique_ptr<SpecialHandler> handler); + void registerHandlers (std::vector<std::unique_ptr<SpecialHandler>> &handlers, const char *ignorelist); + void unregisterHandlers (); + void preprocess (const std::string &special, SpecialActions &actions) const; + bool process (const std::string &special, double dvi2bp, SpecialActions &actions) const; + void notifyPreprocessingFinished () const; + void notifyBeginPage (unsigned pageno, SpecialActions &actions) const; + void notifyEndPage (unsigned pageno, SpecialActions &actions) const; + void notifyPositionChange (double x, double y, SpecialActions &actions) const; + void writeHandlerInfo (std::ostream &os) const; + SpecialHandler* findHandlerByName (const std::string &name) const; + + protected: + SpecialManager () =default; + SpecialHandler* findHandlerByPrefix (const std::string &prefix) const; + + private: + HandlerPool _handlerPool; ///< stores pointers to all handlers + HandlerMap _handlersByPrefix; ///< pointers to handlers for corresponding prefixes +}; + +#endif |