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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.6/src/CharMap.cpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-1.6/src/CharMap.cpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.6/src/CharMap.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.6/src/CharMap.cpp new file mode 100644 index 00000000000..3e749add96b --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.6/src/CharMap.cpp @@ -0,0 +1,57 @@ +/************************************************************************* +** CharMap.cpp ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2014 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 <config.h> +#include <algorithm> +#include "CharMap.h" + +using namespace std; + +static bool is_less (const pair<UInt32,UInt32> &p1, const pair<UInt32,UInt32> &p2) { + return p1.first < p2.first; +} + + +UInt32 CharMap::operator [] (UInt32 c) const { + vector<UInt32Pair>::const_iterator it = lower_bound(_pairs.begin(), _pairs.end(), UInt32Pair(c, 0), &is_less); + return (it != _pairs.end() && it->first == c) ? it->second : 0; +} + + +/** Returns true if the charmap contains an entry that maps to the given charcode */ +bool CharMap::valueExists (UInt32 c) const { + for (std::vector<UInt32Pair>::const_iterator it=_pairs.begin(); it != _pairs.end(); ++it) + if (it->second == c) + return true; + return false; +} + + +/** Swaps key and value of all entries. */ +void CharMap::invert () { + for (std::vector<UInt32Pair>::iterator it=_pairs.begin(); it != _pairs.end(); ++it) + swap(it->first, it->second); + sort(); +} + + +void CharMap::sort () { + std::sort(_pairs.begin(), _pairs.end(), &is_less); +} |