[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).

thirdparty/graphite/src/inc/FeatureVal.h

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+/*  GRAPHITE2 LICENSING
+
+    Copyright 2010, SIL International
+    All rights reserved.
+
+    This library is free software; you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published
+    by the Free Software Foundation; either version 2.1 of 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
+    Lesser General Public License for more details.
+
+    You should also have received a copy of the GNU Lesser General Public
+    License along with this library in the file named "LICENSE".
+    If not, write to the Free Software Foundation, 51 Franklin Street,
+    Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
+    internet at http://www.fsf.org/licenses/lgpl.html.
+
+Alternatively, the contents of this file may be used under the terms of the
+Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
+License, as published by the Free Software Foundation, either version 2
+of the License or (at your option) any later version.
+*/
+#pragma once
+#include <cstring>
+#include <cassert>
+#include "inc/Main.h"
+#include "inc/List.h"
+
+namespace graphite2 {
+
+class FeatureRef;
+class FeatureMap;
+
+class FeatureVal : public Vector<uint32>
+{
+public:
+    FeatureVal() : m_pMap(0) { }
+    FeatureVal(int num, const FeatureMap & pMap) : Vector<uint32>(num), m_pMap(&pMap) {}
+    FeatureVal(const FeatureVal & rhs) : Vector<uint32>(rhs), m_pMap(rhs.m_pMap) {}
+
+    FeatureVal & operator = (const FeatureVal & rhs) { Vector<uint32>::operator = (rhs); m_pMap = rhs.m_pMap; return *this; }
+
+    bool operator ==(const FeatureVal & b) const
+    {
+        size_t n = size();
+        if (n != b.size())      return false;
+
+        for(const_iterator l = begin(), r = b.begin(); n && *l == *r; --n, ++l, ++r);
+
+        return n == 0;
+    }
+
+    CLASS_NEW_DELETE
+private:
+    friend class FeatureRef;        //so that FeatureRefs can manipulate m_vec directly
+    const FeatureMap* m_pMap;
+};
+
+typedef FeatureVal Features;
+
+} // namespace graphite2
+
+
+struct gr_feature_val : public graphite2::FeatureVal {};