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diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/CMapManager.cpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/CMapManager.cpp
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index dfc564f7f2b..00000000000
--- a/Build/source/texk/dvisvgm/dvisvgm-src/src/CMapManager.cpp
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-/*************************************************************************
-** CMapManager.cpp **
-** **
-** 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/>. **
-*************************************************************************/
-
-#include <array>
-#include <sstream>
-#include "CMap.hpp"
-#include "CMapManager.hpp"
-#include "CMapReader.hpp"
-#include "FileFinder.hpp"
-#include "Font.hpp"
-#include "Message.hpp"
-
-using namespace std;
-
-
-CMapManager& CMapManager::instance () {
- static CMapManager cmm;
- return cmm;
-}
-
-
-/** Loads a cmap and returns the corresponding object. */
-CMap* CMapManager::lookup (const string &name) {
- auto it = _cmaps.find(name);
- if (it != _cmaps.end())
- return it->second.get();
-
- if (_includedCMaps.find(name) != _includedCMaps.end()) {
- _level = 0;
- throw CMapReaderException("circular reference of CMap " + name);
- }
-
- unique_ptr<CMap> cmap_ptr;
- if (name == "Identity-H")
- cmap_ptr = util::make_unique<IdentityHCMap>();
- else if (name == "Identity-V")
- cmap_ptr = util::make_unique<IdentityVCMap>();
- else if (name == "unicode")
- cmap_ptr = util::make_unique<UnicodeCMap>();
- if (cmap_ptr) {
- CMap *ret = cmap_ptr.get();
- _cmaps[name] = std::move(cmap_ptr);
- return ret;
- }
- // Load cmap data of file <name> and also process all cmaps referenced by operator "usecmap".
- // This can lead to a sequence of further calls of lookup(). In order to prevent infinite loops
- // due to (disallowed) circular cmap inclusions, we keep track of all cmaps processed during
- // a sequence of inclusions.
- _includedCMaps.insert(name); // save name of current cmap being processed
- _level++; // increase nesting level
- CMap *ret=nullptr;
- try {
- CMapReader reader;
- if (!(cmap_ptr = reader.read(name))) {
- _level = 1;
- Message::wstream(true) << "CMap file '" << name << "' not found\n";
- }
- ret = cmap_ptr.get();
- _cmaps[name] = std::move(cmap_ptr);
- }
- catch (const CMapReaderException &e) {
- Message::estream(true) << "CMap file " << name << ": " << e.what() << "\n";
- }
- if (--_level == 0) // back again at initial nesting level?
- _includedCMaps.clear(); // => names of included cmaps are no longer needed
- return ret;
-}
-
-
-/** Looks for a base font CMap and a compatible encoding table in a given font. The CMap describe
- * the mapping from CIDs to character codes where the latter are relative to the encoding table
- * identified by charmapID.
- * cmap:X->CID, bfmap:CID->Y, enctable:Y->CharCode
- * @param[in] font look for available encoding tables in this font
- * @param[in] cmap take the source registry-ordering pair from this CMap
- * @param[out] charmapID ID of the compatible character map found in the given font
- * @return base font CMap that maps from CIDs to character codes */
-const CMap* CMapManager::findCompatibleBaseFontMap (const PhysicalFont *font, const CMap *cmap, CharMapID &charmapID) {
- if (!font || !cmap)
- return nullptr;
-
- struct CharMapIDToEncName {
- CharMapID id;
- const char *encname;
- };
- const array<CharMapIDToEncName, 10> encodings {{
- {CharMapID::WIN_UCS4, "UCS4"},
- {CharMapID::WIN_UCS2, "UCS2"},
- {CharMapID::WIN_SHIFTJIS, "90ms-RKSJ"},
- {CharMapID::WIN_PRC, "GBK-EUC"},
- {CharMapID::WIN_BIG5, "ETen-B5"},
- {CharMapID::WIN_WANSUNG, "KSCms-UHC"},
- {CharMapID::MAC_JAPANESE, "90pv-RKSJ"},
- {CharMapID::MAC_TRADCHINESE, "B5pc"},
- {CharMapID::MAC_SIMPLCHINESE, "GBpc-EUC"},
- {CharMapID::MAC_KOREAN, "KSCpc-EUC"}
- }};
-
- // get IDs of all available charmaps in font
- vector<CharMapID> charmapIDs;
- font->collectCharMapIDs(charmapIDs);
-
-
- // try to find a compatible encoding CMap
- const bool is_unicode_map = bool(dynamic_cast<const UnicodeCMap*>(cmap));
- const string ro = cmap->getROString();
- for (const CharMapIDToEncName &enc : encodings) {
- for (const CharMapID &id : charmapIDs) {
- if (enc.id == id) {
- string cmapname = ro+"-"+enc.encname;
- if (is_unicode_map || FileFinder::instance().lookup(cmapname, "cmap", false)) {
- charmapID = enc.id;
- return is_unicode_map ? cmap : lookup(cmapname);
- }
- }
- }
- }
- return nullptr;
-}
-