The Tor Browser: intl/icu/source/i18n/scriptset.h@fc2d59ddac77

     1 /*

     2 **********************************************************************

     3 *   Copyright (C) 2013, International Business Machines

     4 *   Corporation and others.  All Rights Reserved.

     5 **********************************************************************

6 *

     7 * scriptset.h

8 *

     9 * created on: 2013 Jan 7

    10 * created by: Andy Heninger

    11 */

    13 #ifndef __SCRIPTSET_H__

    14 #define __SCRIPTSET_H__

    16 #include "unicode/utypes.h"

    17 #include "unicode/uobject.h"

    18 #include "unicode/uscript.h"

    20 #include "uelement.h"

    22 U_NAMESPACE_BEGIN

    24 //-------------------------------------------------------------------------------

    25 //

    26 //  ScriptSet - A bit set representing a set of scripts.

    27 //

    28 //              This class was originally used exclusively with script sets appearing

    29 //              as part of the spoof check whole script confusable binary data. Its

    30 //              use has since become more general, but the continued use to wrap

    31 //              prebuilt binary data does constrain the design.

    32 //

    33 //-------------------------------------------------------------------------------

    34 class U_I18N_API ScriptSet: public UMemory {

    35   public:

    36     ScriptSet();

    37     ScriptSet(const ScriptSet &other);

    38     ~ScriptSet();

    40     UBool operator == (const ScriptSet &other) const;

    41     ScriptSet & operator = (const ScriptSet &other);

    43     UBool      test(UScriptCode script, UErrorCode &status) const;

    44     ScriptSet &Union(const ScriptSet &other);

    45     ScriptSet &set(UScriptCode script, UErrorCode &status);

    46     ScriptSet &reset(UScriptCode script, UErrorCode &status);

    47     ScriptSet &intersect(const ScriptSet &other);

    48     ScriptSet &intersect(UScriptCode script, UErrorCode &status);

    49     UBool      intersects(const ScriptSet &other) const;  // Sets contain at least one script in commmon.

    50     UBool      contains(const ScriptSet &other) const;    // All set bits in other are also set in this.

    52     ScriptSet &setAll();

    53     ScriptSet &resetAll();

    54     int32_t countMembers() const;

    55     int32_t hashCode() const;

    56     int32_t nextSetBit(int32_t script) const;

    58     UnicodeString &displayScripts(UnicodeString &dest) const; // append script names to dest string.

    59     ScriptSet & parseScripts(const UnicodeString &scriptsString, UErrorCode &status);  // Replaces ScriptSet contents.

    61   private:

    62     uint32_t  bits[6];

    63 };

    65 U_NAMESPACE_END

    67 U_CAPI UBool U_EXPORT2

    68 uhash_compareScriptSet(const UElement key1, const UElement key2);

    70 U_CAPI int32_t U_EXPORT2

    71 uhash_hashScriptSet(const UElement key);

    73 U_CAPI void U_EXPORT2

    74 uhash_deleteScriptSet(void *obj);

    76 #endif // __SCRIPTSET_H__

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