harfbuzz/src/graphite2/src/inc/FeatureVal.h

46 lines
1.1 KiB
C++

// SPDX-License-Identifier: MIT
// Copyright 2010, SIL International, All rights reserved.
#pragma once
#include <cstring>
#include <cassert>
#include "inc/Main.h"
#include "inc/vector.hpp"
namespace graphite2 {
class FeatureRef;
class FeatureMap;
class FeatureVal : public vector<uint32_t>
{
public:
FeatureVal() : m_pMap(0) { }
FeatureVal(size_t num, const FeatureMap & pMap) : vector<uint32_t>(num), m_pMap(&pMap) {}
FeatureVal(const FeatureVal & rhs) : vector<uint32_t>(rhs), m_pMap(rhs.m_pMap) {}
FeatureVal & operator = (const FeatureVal & rhs) { vector<uint32_t>::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 {};