projects / apple / icu.git / blame
| Commit | Line | Data |
|---|---|---|
| f3c0d7a5 A |
1 | // © 2016 and later: Unicode, Inc. and others. |
| 2 | // License & terms of use: http://www.unicode.org/copyright.html | |
| 51004dcb A |
3 | /* |
| 4 | ********************************************************************** | |
| 5 | * Copyright (C) 2013, International Business Machines | |
| 6 | * Corporation and others. All Rights Reserved. | |
| 7 | ********************************************************************** | |
| 8 | * | |
| 9 | * scriptset.h | |
| 10 | * | |
| 11 | * created on: 2013 Jan 7 | |
| 12 | * created by: Andy Heninger | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef __SCRIPTSET_H__ | |
| 16 | #define __SCRIPTSET_H__ | |
| 17 | ||
| 18 | #include "unicode/utypes.h" | |
| 19 | #include "unicode/uobject.h" | |
| 20 | #include "unicode/uscript.h" | |
| 21 | ||
| 22 | #include "uelement.h" | |
| 23 | ||
| 24 | U_NAMESPACE_BEGIN | |
| 25 | ||
| 26 | //------------------------------------------------------------------------------- | |
| 27 | // | |
| 28 | // ScriptSet - A bit set representing a set of scripts. | |
| 29 | // | |
| 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. | |
| 34 | // | |
| 35 | //------------------------------------------------------------------------------- | |
| 36 | class U_I18N_API ScriptSet: public UMemory { | |
| 37 | public: | |
| 340931cb A |
38 | static constexpr int32_t SCRIPT_LIMIT = 224; // multiple of 32! |
| 39 | ||
| 51004dcb A |
40 | ScriptSet(); |
| 41 | ScriptSet(const ScriptSet &other); | |
| 42 | ~ScriptSet(); | |
| 43 | ||
| 44 | UBool operator == (const ScriptSet &other) const; | |
| 3d1f044b | 45 | UBool operator != (const ScriptSet &other) const {return !(*this == other);} |
| 51004dcb A |
46 | ScriptSet & operator = (const ScriptSet &other); |
| 47 | ||
| 48 | UBool test(UScriptCode script, UErrorCode &status) const; | |
| 49 | ScriptSet &Union(const ScriptSet &other); | |
| 50 | ScriptSet &set(UScriptCode script, UErrorCode &status); | |
| 51 | ScriptSet &reset(UScriptCode script, UErrorCode &status); | |
| 52 | ScriptSet &intersect(const ScriptSet &other); | |
| 53 | ScriptSet &intersect(UScriptCode script, UErrorCode &status); | |
| 54 | UBool intersects(const ScriptSet &other) const; // Sets contain at least one script in commmon. | |
| 55 | UBool contains(const ScriptSet &other) const; // All set bits in other are also set in this. | |
| 56 | ||
| 57 | ScriptSet &setAll(); | |
| 58 | ScriptSet &resetAll(); | |
| 59 | int32_t countMembers() const; | |
| 60 | int32_t hashCode() const; | |
| 61 | int32_t nextSetBit(int32_t script) const; | |
| 62 | ||
| f3c0d7a5 A |
63 | UBool isEmpty() const; |
| 64 | ||
| 51004dcb A |
65 | UnicodeString &displayScripts(UnicodeString &dest) const; // append script names to dest string. |
| 66 | ScriptSet & parseScripts(const UnicodeString &scriptsString, UErrorCode &status); // Replaces ScriptSet contents. | |
| 67 | ||
| f3c0d7a5 A |
68 | // Wraps around UScript::getScriptExtensions() and adds the corresponding scripts to this instance. |
| 69 | void setScriptExtensions(UChar32 codePoint, UErrorCode& status); | |
| 70 | ||
| 51004dcb | 71 | private: |
| 340931cb | 72 | uint32_t bits[SCRIPT_LIMIT / 32]; |
| 51004dcb A |
73 | }; |
| 74 | ||
| 75 | U_NAMESPACE_END | |
| 76 | ||
| 77 | U_CAPI UBool U_EXPORT2 | |
| 78 | uhash_compareScriptSet(const UElement key1, const UElement key2); | |
| 79 | ||
| 80 | U_CAPI int32_t U_EXPORT2 | |
| 81 | uhash_hashScriptSet(const UElement key); | |
| 82 | ||
| 83 | U_CAPI void U_EXPORT2 | |
| 84 | uhash_deleteScriptSet(void *obj); | |
| 85 | ||
| 86 | #endif // __SCRIPTSET_H__ |