1 // Copyright (C) 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
4 **********************************************************************
5 * Copyright (C) 2013, International Business Machines
6 * Corporation and others. All Rights Reserved.
7 **********************************************************************
11 * created on: 2013 Jan 7
12 * created by: Andy Heninger
15 #ifndef __SCRIPTSET_H__
16 #define __SCRIPTSET_H__
18 #include "unicode/utypes.h"
19 #include "unicode/uobject.h"
20 #include "unicode/uscript.h"
26 //-------------------------------------------------------------------------------
28 // ScriptSet - A bit set representing a set of scripts.
30 // This class was originally used exclusively with script sets appearing
31 // as part of the spoof check whole script confusable binary data. Its
32 // use has since become more general, but the continued use to wrap
33 // prebuilt binary data does constrain the design.
35 //-------------------------------------------------------------------------------
36 class U_I18N_API ScriptSet: public UMemory {
39 ScriptSet(const ScriptSet &other);
42 UBool operator == (const ScriptSet &other) const;
43 UBool operator != (const ScriptSet &other) const {return !(*this == other);};
44 ScriptSet & operator = (const ScriptSet &other);
46 UBool test(UScriptCode script, UErrorCode &status) const;
47 ScriptSet &Union(const ScriptSet &other);
48 ScriptSet &set(UScriptCode script, UErrorCode &status);
49 ScriptSet &reset(UScriptCode script, UErrorCode &status);
50 ScriptSet &intersect(const ScriptSet &other);
51 ScriptSet &intersect(UScriptCode script, UErrorCode &status);
52 UBool intersects(const ScriptSet &other) const; // Sets contain at least one script in commmon.
53 UBool contains(const ScriptSet &other) const; // All set bits in other are also set in this.
56 ScriptSet &resetAll();
57 int32_t countMembers() const;
58 int32_t hashCode() const;
59 int32_t nextSetBit(int32_t script) const;
61 UBool isEmpty() const;
63 UnicodeString &displayScripts(UnicodeString &dest) const; // append script names to dest string.
64 ScriptSet & parseScripts(const UnicodeString &scriptsString, UErrorCode &status); // Replaces ScriptSet contents.
66 // Wraps around UScript::getScriptExtensions() and adds the corresponding scripts to this instance.
67 void setScriptExtensions(UChar32 codePoint, UErrorCode& status);
75 U_CAPI UBool U_EXPORT2
76 uhash_compareScriptSet(const UElement key1, const UElement key2);
78 U_CAPI int32_t U_EXPORT2
79 uhash_hashScriptSet(const UElement key);
82 uhash_deleteScriptSet(void *obj);
84 #endif // __SCRIPTSET_H__