87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
|
|
// License & terms of use: http://www.unicode.org/copyright.html
|
|
/*
|
|
**********************************************************************
|
|
* Copyright (C) 2013, International Business Machines
|
|
* Corporation and others. All Rights Reserved.
|
|
**********************************************************************
|
|
*
|
|
* scriptset.h
|
|
*
|
|
* created on: 2013 Jan 7
|
|
* created by: Andy Heninger
|
|
*/
|
|
|
|
#ifndef __SCRIPTSET_H__
|
|
#define __SCRIPTSET_H__
|
|
|
|
#include "unicode/utypes.h"
|
|
#include "unicode/uobject.h"
|
|
#include "unicode/uscript.h"
|
|
|
|
#include "uelement.h"
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
//-------------------------------------------------------------------------------
|
|
//
|
|
// ScriptSet - A bit set representing a set of scripts.
|
|
//
|
|
// This class was originally used exclusively with script sets appearing
|
|
// as part of the spoof check whole script confusable binary data. Its
|
|
// use has since become more general, but the continued use to wrap
|
|
// prebuilt binary data does constrain the design.
|
|
//
|
|
//-------------------------------------------------------------------------------
|
|
class U_I18N_API ScriptSet: public UMemory {
|
|
public:
|
|
static constexpr int32_t SCRIPT_LIMIT = 224; // multiple of 32!
|
|
|
|
ScriptSet();
|
|
ScriptSet(const ScriptSet &other);
|
|
~ScriptSet();
|
|
|
|
bool operator == (const ScriptSet &other) const;
|
|
bool operator != (const ScriptSet &other) const {return !(*this == other);}
|
|
ScriptSet & operator = (const ScriptSet &other);
|
|
|
|
UBool test(UScriptCode script, UErrorCode &status) const;
|
|
ScriptSet &Union(const ScriptSet &other);
|
|
ScriptSet &set(UScriptCode script, UErrorCode &status);
|
|
ScriptSet &reset(UScriptCode script, UErrorCode &status);
|
|
ScriptSet &intersect(const ScriptSet &other);
|
|
ScriptSet &intersect(UScriptCode script, UErrorCode &status);
|
|
UBool intersects(const ScriptSet &other) const; // Sets contain at least one script in common.
|
|
UBool contains(const ScriptSet &other) const; // All set bits in other are also set in this.
|
|
|
|
ScriptSet &setAll();
|
|
ScriptSet &resetAll();
|
|
int32_t countMembers() const;
|
|
int32_t hashCode() const;
|
|
int32_t nextSetBit(int32_t script) const;
|
|
|
|
UBool isEmpty() const;
|
|
|
|
UnicodeString &displayScripts(UnicodeString &dest) const; // append script names to dest string.
|
|
ScriptSet & parseScripts(const UnicodeString &scriptsString, UErrorCode &status); // Replaces ScriptSet contents.
|
|
|
|
// Wraps around UScript::getScriptExtensions() and adds the corresponding scripts to this instance.
|
|
void setScriptExtensions(UChar32 codePoint, UErrorCode& status);
|
|
|
|
private:
|
|
uint32_t bits[SCRIPT_LIMIT / 32];
|
|
};
|
|
|
|
U_NAMESPACE_END
|
|
|
|
U_CAPI UBool U_EXPORT2
|
|
uhash_compareScriptSet(const UElement key1, const UElement key2);
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
uhash_hashScriptSet(const UElement key);
|
|
|
|
U_CAPI void U_EXPORT2
|
|
uhash_deleteScriptSet(void *obj);
|
|
|
|
#endif // __SCRIPTSET_H__
|