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+/*************************************************************************
+** CMapReader.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_CMAPREADER_H
+#define DVISVGM_CMAPREADER_H
+
+#include <cstdlib>
+#include <istream>
+#include <string>
+#include <vector>
+#include "MessageException.h"
+
+
+struct CMap;
+class InputReader;
+
+class CMapReader
+{
+ class Token
+ {
+ public:
+ enum Type {TT_UNKNOWN, TT_EOF, TT_DELIM, TT_NUMBER, TT_STRING, TT_NAME, TT_OPERATOR};
+
+ public:
+ Token (InputReader &ir);
+ void scan (InputReader &ir);
+ Type type () const {return _type;}
+ const std::string& strvalue () const {return _value;}
+ double numvalue () const {return std::atof(_value.c_str());}
+
+ private:
+ Type _type;
+ std::string _value;
+ };
+
+ public:
+ CMapReader ();
+ CMap* read (const std::string &fname);
+ CMap* read (std::istream &is, const std::string &name);
+
+ protected:
+ Token popToken () {Token t=_tokens.back(); _tokens.pop_back(); return t;}
+ void executeOperator (const std::string &op, InputReader &ir);
+ void op_beginbfchar (InputReader &ir);
+ void op_beginbfrange (InputReader &ir);
+ void op_begincidrange (InputReader &ir);
+ void op_def (InputReader &ir);
+ void op_endcmap (InputReader &ir);
+ void op_usecmap (InputReader &ir);
+
+ private:
+ SegmentedCMap *_cmap; ///< CMap being read
+ std::vector<Token> _tokens; ///< stack of tokens to be processed
+ bool _inCMap; ///< operator begincmap has been executed
+};
+
+
+
+struct CMapReaderException : public MessageException
+{
+ CMapReaderException (const std::string &msg) : MessageException(msg) {}
+};
+
+#endif