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/*************************************************************************
** FontMap.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2021 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 FONTMAP_HPP
#define FONTMAP_HPP
#include <memory>
#include <ostream>
#include <string>
#include <unordered_map>
#include "FontStyle.hpp"
struct FontEncoding;
class MapLine;
class Subfont;
class FontMap {
public:
struct Entry {
explicit Entry (const MapLine &mapline, Subfont *subfont=nullptr);
Entry (const Entry &entry) =delete;
Entry (Entry &&entry) =default;
Entry& operator = (Entry &&entry) =default;
std::string fontname; ///< target font name
std::string encname; ///< name of font encoding
Subfont *subfont;
int fontindex; ///< index of font in multi-font file
bool locked;
FontStyle style;
};
public:
enum class Mode {APPEND, REMOVE, REPLACE};
static FontMap& instance ();
bool read (const std::string &fname, Mode mode);
bool read (const std::string &fname, char modechar);
bool read (const std::string &fname_seq);
void readdir (const std::string &dirname);
bool apply (const MapLine &mapline, Mode mode);
bool apply (const MapLine &mapline, char modechar);
bool append (const MapLine &mapline);
bool replace (const MapLine &mapline);
bool remove (const MapLine &mapline);
void lockFont (const std::string &fontname);
void clear (bool unlocked_only=false);
std::ostream& write (std::ostream &os) const;
const Entry* lookup (const std::string &fontname) const;
protected:
FontMap () =default;
private:
std::unordered_map<std::string,std::unique_ptr<Entry>> _entries;
};
#endif
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