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// SPDX-License-Identifier: MIT OR MPL-2.0 OR LGPL-2.1-or-later OR GPL-2.0-or-later
// Copyright 2010, SIL International, All rights reserved.
#pragma once
#include "inc/Main.h"
#include "inc/FeatureVal.h"
namespace graphite2 {
// Forward declarations for implmentation types
class FeatureMap;
class Face;
class FeatureSetting
{
public:
FeatureSetting(int16 theValue, uint16 labelId) : m_label(labelId), m_value(theValue) {};
uint16 label() const { return m_label; }
int16 value() const { return m_value; }
CLASS_NEW_DELETE;
private:
FeatureSetting(const FeatureSetting & fs) : m_label(fs.m_label), m_value(fs.m_value) {};
uint16 m_label;
int16 m_value;
};
class FeatureRef
{
typedef uint32 chunk_t;
static const uint8 SIZEOF_CHUNK = sizeof(chunk_t)*8;
public:
enum flags_t : uint16 {
HIDDEN = 0x0800
};
FeatureRef() throw();
FeatureRef(const Face & face, unsigned short & bits_offset, uint32 max_val,
uint32 name, uint16 uiName, flags_t flags,
FeatureSetting *settings, uint16 num_set) throw();
~FeatureRef() throw();
bool applyValToFeature(uint32 val, Features& pDest) const; //defined in GrFaceImp.h
void maskFeature(Features & pDest) const {
if (m_index < pDest.size()) //defensive
pDest[m_index] |= m_mask;
}
uint32 getFeatureVal(const Features& feats) const; //defined in GrFaceImp.h
uint32 getId() const { return m_id; }
uint16 getNameId() const { return m_nameid; }
uint16 getNumSettings() const { return m_numSet; }
uint16 getSettingName(uint16 index) const { return m_nameValues[index].label(); }
int16 getSettingValue(uint16 index) const { return m_nameValues[index].value(); }
flags_t getFlags() const { return m_flags; }
uint32 maxVal() const { return m_max; }
const Face & getFace() const { assert(m_face); return *m_face;}
const FeatureMap* getFeatureMap() const;// { return m_pFace;}
CLASS_NEW_DELETE;
private:
FeatureRef(const FeatureRef & rhs);
const Face * m_face;
FeatureSetting * m_nameValues; // array of name table ids for feature values
chunk_t m_mask, // bit mask to get the value from the vector
m_max; // max value the value can take
uint32 m_id; // feature identifier/name
uint16 m_nameid, // Name table id for feature name
m_numSet; // number of values (number of entries in m_nameValues)
flags_t m_flags; // feature flags see FeatureRef::flags_t.
byte m_bits, // how many bits to shift the value into place
m_index; // index into the array to find the ulong to mask
private: //unimplemented
FeatureRef& operator=(const FeatureRef&);
};
inline
FeatureRef::FeatureRef() throw()
: m_face(0),
m_nameValues(0),
m_mask(0), m_max(0),
m_id(0), m_nameid(0), m_numSet(0),
m_flags(flags_t(0)),
m_bits(0), m_index(0)
{
}
class NameAndFeatureRef
{
public:
NameAndFeatureRef(uint32 name = 0) : m_name(name) , m_pFRef(NULL){}
NameAndFeatureRef(FeatureRef const & p) : m_name(p.getId()), m_pFRef(&p) {}
bool operator<(const NameAndFeatureRef& rhs) const //orders by m_name
{ return m_name<rhs.m_name; }
CLASS_NEW_DELETE
uint32 m_name;
const FeatureRef* m_pFRef;
};
class FeatureMap
{
public:
FeatureMap() : m_numFeats(0), m_feats(NULL), m_pNamedFeats(NULL) {}
~FeatureMap() { delete[] m_feats; delete[] m_pNamedFeats; }
bool readFeats(const Face & face);
const FeatureRef *findFeatureRef(uint32 name) const;
FeatureRef *feature(uint16 index) const { return m_feats + index; }
//GrFeatureRef *featureRef(byte index) { return index < m_numFeats ? m_feats + index : NULL; }
const FeatureRef *featureRef(byte index) const { return index < m_numFeats ? m_feats + index : NULL; }
FeatureVal* cloneFeatures(uint32 langname/*0 means default*/) const; //call destroy_Features when done.
uint16 numFeats() const { return m_numFeats; };
CLASS_NEW_DELETE
private:
friend class SillMap;
uint16 m_numFeats;
FeatureRef *m_feats;
NameAndFeatureRef* m_pNamedFeats; //owned
FeatureVal m_defaultFeatures; //owned
private: //defensive on m_feats, m_pNamedFeats, and m_defaultFeatures
FeatureMap(const FeatureMap&);
FeatureMap& operator=(const FeatureMap&);
};
class SillMap
{
private:
class LangFeaturePair
{
LangFeaturePair(const LangFeaturePair &);
LangFeaturePair & operator = (const LangFeaturePair &);
public:
LangFeaturePair() : m_lang(0), m_pFeatures(0) {}
~LangFeaturePair() { delete m_pFeatures; }
uint32 m_lang;
Features* m_pFeatures; //owns
CLASS_NEW_DELETE
};
public:
SillMap() : m_langFeats(NULL), m_numLanguages(0) {}
~SillMap() { delete[] m_langFeats; }
bool readFace(const Face & face);
bool readSill(const Face & face);
FeatureVal* cloneFeatures(uint32 langname/*0 means default*/) const; //call destroy_Features when done.
uint16 numLanguages() const { return m_numLanguages; };
uint32 getLangName(uint16 index) const { return (index < m_numLanguages)? m_langFeats[index].m_lang : 0; };
const FeatureMap & theFeatureMap() const { return m_FeatureMap; };
private:
FeatureMap m_FeatureMap; //of face
LangFeaturePair * m_langFeats;
uint16 m_numLanguages;
private: //defensive on m_langFeats
SillMap(const SillMap&);
SillMap& operator=(const SillMap&);
};
} // namespace graphite2
struct gr_feature_ref : public graphite2::FeatureRef {};
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