ICU 72.1 72.1

uniset.h
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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 ***************************************************************************
5 * Copyright (C) 1999-2016, International Business Machines Corporation
6 * and others. All Rights Reserved.
7 ***************************************************************************
8 * Date Name Description
9 * 10/20/99 alan Creation.
10 ***************************************************************************
11 */
12
13 #ifndef UNICODESET_H
14 #define UNICODESET_H
15
16 #include "unicode/utypes.h"
17
18 #if U_SHOW_CPLUSPLUS_API
19
20 #include "unicode/ucpmap.h"
21 #include "unicode/unifilt.h"
22 #include "unicode/unistr.h"
23 #include "unicode/uset.h"
24
30 U_NAMESPACE_BEGIN
31
32 // Forward Declarations.
33 class BMPSet;
34 class ParsePosition;
35 class RBBIRuleScanner;
36 class SymbolTable;
37 class UnicodeSetStringSpan;
38 class UVector;
39 class RuleCharacterIterator;
40
285 class U_COMMON_API UnicodeSet U_FINAL : public UnicodeFilter {
286 private:
291 static constexpr int32_t INITIAL_CAPACITY = 25;
292 // fFlags constant
293 static constexpr uint8_t kIsBogus = 1; // This set is bogus (i.e. not valid)
294
295 UChar32* list = stackList; // MUST be terminated with HIGH
296 int32_t capacity = INITIAL_CAPACITY; // capacity of list
297 int32_t len = 1; // length of list used; 1 <= len <= capacity
298 uint8_t fFlags = 0; // Bit flag (see constants above)
299
300 BMPSet *bmpSet = nullptr; // The set is frozen iff either bmpSet or stringSpan is not NULL.
301 UChar32* buffer = nullptr; // internal buffer, may be NULL
302 int32_t bufferCapacity = 0; // capacity of buffer
303
313 char16_t *pat = nullptr;
314 int32_t patLen = 0;
315
316 UVector* strings = nullptr; // maintained in sorted order
317 UnicodeSetStringSpan *stringSpan = nullptr;
318
324 UChar32 stackList[INITIAL_CAPACITY];
325
326 public:
336 inline UBool isBogus(void) const;
337
354 void setToBogus();
355
356 public:
357
358 enum {
363 MIN_VALUE = 0,
364
369 MAX_VALUE = 0x10ffff
370 };
371
372 //----------------------------------------------------------------
373 // Constructors &c
374 //----------------------------------------------------------------
375
376 public:
377
382 UnicodeSet();
383
392 UnicodeSet(UChar32 start, UChar32 end);
393
394 #ifndef U_HIDE_INTERNAL_API
398 enum ESerialization {
399 kSerialized /* result of serialize() */
400 };
401
412 UnicodeSet(const uint16_t buffer[], int32_t bufferLen,
413 ESerialization serialization, UErrorCode &status);
414 #endif /* U_HIDE_INTERNAL_API */
415
424 UnicodeSet(const UnicodeString& pattern,
425 UErrorCode& status);
426
427 #ifndef U_HIDE_INTERNAL_API
440 UnicodeSet(const UnicodeString& pattern,
441 uint32_t options,
442 const SymbolTable* symbols,
443 UErrorCode& status);
444 #endif /* U_HIDE_INTERNAL_API */
445
459 UnicodeSet(const UnicodeString& pattern, ParsePosition& pos,
460 uint32_t options,
461 const SymbolTable* symbols,
462 UErrorCode& status);
463
468 UnicodeSet(const UnicodeSet& o);
469
474 virtual ~UnicodeSet();
475
481 UnicodeSet& operator=(const UnicodeSet& o);
482
494 virtual bool operator==(const UnicodeSet& o) const;
495
501 inline bool operator!=(const UnicodeSet& o) const;
502
512 virtual UnicodeSet* clone() const override;
513
521 virtual int32_t hashCode(void) const;
522
531 inline static UnicodeSet *fromUSet(USet *uset);
532
541 inline static const UnicodeSet *fromUSet(const USet *uset);
542
550 inline USet *toUSet();
551
552
560 inline const USet * toUSet() const;
561
562
563 //----------------------------------------------------------------
564 // Freezable API
565 //----------------------------------------------------------------
566
575 inline UBool isFrozen() const;
576
590 UnicodeSet *freeze();
591
600 UnicodeSet *cloneAsThawed() const;
601
602 //----------------------------------------------------------------
603 // Public API
604 //----------------------------------------------------------------
605
615 UnicodeSet& set(UChar32 start, UChar32 end);
616
622 static UBool resemblesPattern(const UnicodeString& pattern,
623 int32_t pos);
624
637 UnicodeSet& applyPattern(const UnicodeString& pattern,
638 UErrorCode& status);
639
640 #ifndef U_HIDE_INTERNAL_API
657 UnicodeSet& applyPattern(const UnicodeString& pattern,
658 uint32_t options,
659 const SymbolTable* symbols,
660 UErrorCode& status);
661 #endif /* U_HIDE_INTERNAL_API */
662
694 UnicodeSet& applyPattern(const UnicodeString& pattern,
695 ParsePosition& pos,
696 uint32_t options,
697 const SymbolTable* symbols,
698 UErrorCode& status);
699
713 virtual UnicodeString& toPattern(UnicodeString& result,
714 UBool escapeUnprintable = false) const override;
715
738 UnicodeSet& applyIntPropertyValue(UProperty prop,
739 int32_t value,
740 UErrorCode& ec);
741
771 UnicodeSet& applyPropertyAlias(const UnicodeString& prop,
772 const UnicodeString& value,
773 UErrorCode& ec);
774
787 virtual int32_t size(void) const;
788
795 virtual UBool isEmpty(void) const;
796
801 UBool hasStrings() const;
802
810 virtual UBool contains(UChar32 c) const override;
811
820 virtual UBool contains(UChar32 start, UChar32 end) const;
821
829 UBool contains(const UnicodeString& s) const;
830
838 virtual UBool containsAll(const UnicodeSet& c) const;
839
847 UBool containsAll(const UnicodeString& s) const;
848
857 UBool containsNone(UChar32 start, UChar32 end) const;
858
866 UBool containsNone(const UnicodeSet& c) const;
867
875 UBool containsNone(const UnicodeString& s) const;
876
885 inline UBool containsSome(UChar32 start, UChar32 end) const;
886
894 inline UBool containsSome(const UnicodeSet& s) const;
895
903 inline UBool containsSome(const UnicodeString& s) const;
904
923 int32_t span(const char16_t *s, int32_t length, USetSpanCondition spanCondition) const;
924
937 inline int32_t span(const UnicodeString &s, int32_t start, USetSpanCondition spanCondition) const;
938
956 int32_t spanBack(const char16_t *s, int32_t length, USetSpanCondition spanCondition) const;
957
971 inline int32_t spanBack(const UnicodeString &s, int32_t limit, USetSpanCondition spanCondition) const;
972
991 int32_t spanUTF8(const char *s, int32_t length, USetSpanCondition spanCondition) const;
992
1010 int32_t spanBackUTF8(const char *s, int32_t length, USetSpanCondition spanCondition) const;
1011
1016 virtual UMatchDegree matches(const Replaceable& text,
1017 int32_t& offset,
1018 int32_t limit,
1019 UBool incremental) override;
1020
1021 private:
1044 static int32_t matchRest(const Replaceable& text,
1045 int32_t start, int32_t limit,
1046 const UnicodeString& s);
1047
1057 int32_t findCodePoint(UChar32 c) const;
1058
1059 public:
1060
1068 virtual void addMatchSetTo(UnicodeSet& toUnionTo) const override;
1069
1078 int32_t indexOf(UChar32 c) const;
1079
1095 UChar32 charAt(int32_t index) const;
1096
1111 virtual UnicodeSet& add(UChar32 start, UChar32 end);
1112
1123 UnicodeSet& add(UChar32 c);
1124
1136 UnicodeSet& add(const UnicodeString& s);
1137
1138 private:
1144 static int32_t getSingleCP(const UnicodeString& s);
1145
1146 void _add(const UnicodeString& s);
1147
1148 public:
1157 UnicodeSet& addAll(const UnicodeString& s);
1158
1166 UnicodeSet& retainAll(const UnicodeString& s);
1167
1175 UnicodeSet& complementAll(const UnicodeString& s);
1176
1184 UnicodeSet& removeAll(const UnicodeString& s);
1185
1194 static UnicodeSet* U_EXPORT2 createFrom(const UnicodeString& s);
1195
1196
1204 static UnicodeSet* U_EXPORT2 createFromAll(const UnicodeString& s);
1205
1217 virtual UnicodeSet& retain(UChar32 start, UChar32 end);
1218
1219
1228 UnicodeSet& retain(UChar32 c);
1229
1240 UnicodeSet& retain(const UnicodeString &s);
1241
1255 virtual UnicodeSet& remove(UChar32 start, UChar32 end);
1256
1267 UnicodeSet& remove(UChar32 c);
1268
1278 UnicodeSet& remove(const UnicodeString& s);
1279
1292 virtual UnicodeSet& complement();
1293
1306 virtual UnicodeSet& complement(UChar32 start, UChar32 end);
1307
1318 UnicodeSet& complement(UChar32 c);
1319
1329 UnicodeSet& complement(const UnicodeString& s);
1330
1343 virtual UnicodeSet& addAll(const UnicodeSet& c);
1344
1356 virtual UnicodeSet& retainAll(const UnicodeSet& c);
1357
1369 virtual UnicodeSet& removeAll(const UnicodeSet& c);
1370
1381 virtual UnicodeSet& complementAll(const UnicodeSet& c);
1382
1389 virtual UnicodeSet& clear(void);
1390
1416 UnicodeSet& closeOver(int32_t attribute);
1417
1424 virtual UnicodeSet &removeAllStrings();
1425
1433 virtual int32_t getRangeCount(void) const;
1434
1442 virtual UChar32 getRangeStart(int32_t index) const;
1443
1451 virtual UChar32 getRangeEnd(int32_t index) const;
1452
1501 int32_t serialize(uint16_t *dest, int32_t destCapacity, UErrorCode& ec) const;
1502
1509 virtual UnicodeSet& compact();
1510
1522 static UClassID U_EXPORT2 getStaticClassID(void);
1523
1532 virtual UClassID getDynamicClassID(void) const override;
1533
1534 private:
1535
1536 // Private API for the USet API
1537
1538 friend class USetAccess;
1539
1540 const UnicodeString* getString(int32_t index) const;
1541
1542 //----------------------------------------------------------------
1543 // RuleBasedTransliterator support
1544 //----------------------------------------------------------------
1545
1546 private:
1547
1553 virtual UBool matchesIndexValue(uint8_t v) const override;
1554
1555 private:
1556 friend class RBBIRuleScanner;
1557
1558 //----------------------------------------------------------------
1559 // Implementation: Clone as thawed (see ICU4J Freezable)
1560 //----------------------------------------------------------------
1561
1562 UnicodeSet(const UnicodeSet& o, UBool /* asThawed */);
1563 UnicodeSet& copyFrom(const UnicodeSet& o, UBool asThawed);
1564
1565 //----------------------------------------------------------------
1566 // Implementation: Pattern parsing
1567 //----------------------------------------------------------------
1568
1569 void applyPatternIgnoreSpace(const UnicodeString& pattern,
1570 ParsePosition& pos,
1571 const SymbolTable* symbols,
1572 UErrorCode& status);
1573
1574 void applyPattern(RuleCharacterIterator& chars,
1575 const SymbolTable* symbols,
1576 UnicodeString& rebuiltPat,
1577 uint32_t options,
1578 UnicodeSet& (UnicodeSet::*caseClosure)(int32_t attribute),
1579 int32_t depth,
1580 UErrorCode& ec);
1581
1582 //----------------------------------------------------------------
1583 // Implementation: Utility methods
1584 //----------------------------------------------------------------
1585
1586 static int32_t nextCapacity(int32_t minCapacity);
1587
1588 bool ensureCapacity(int32_t newLen);
1589
1590 bool ensureBufferCapacity(int32_t newLen);
1591
1592 void swapBuffers(void);
1593
1594 UBool allocateStrings(UErrorCode &status);
1595 int32_t stringsSize() const;
1596 UBool stringsContains(const UnicodeString &s) const;
1597
1598 UnicodeString& _toPattern(UnicodeString& result,
1599 UBool escapeUnprintable) const;
1600
1601 UnicodeString& _generatePattern(UnicodeString& result,
1602 UBool escapeUnprintable) const;
1603
1604 static void _appendToPat(UnicodeString& buf, const UnicodeString& s, UBool escapeUnprintable);
1605
1606 static void _appendToPat(UnicodeString& buf, UChar32 c, UBool escapeUnprintable);
1607
1608 static void _appendToPat(UnicodeString &result, UChar32 start, UChar32 end,
1609 UBool escapeUnprintable);
1610
1611 //----------------------------------------------------------------
1612 // Implementation: Fundamental operators
1613 //----------------------------------------------------------------
1614
1615 void exclusiveOr(const UChar32* other, int32_t otherLen, int8_t polarity);
1616
1617 void add(const UChar32* other, int32_t otherLen, int8_t polarity);
1618
1619 void retain(const UChar32* other, int32_t otherLen, int8_t polarity);
1620
1626 static UBool resemblesPropertyPattern(const UnicodeString& pattern,
1627 int32_t pos);
1628
1629 static UBool resemblesPropertyPattern(RuleCharacterIterator& chars,
1630 int32_t iterOpts);
1631
1671 UnicodeSet& applyPropertyPattern(const UnicodeString& pattern,
1672 ParsePosition& ppos,
1673 UErrorCode &ec);
1674
1675 void applyPropertyPattern(RuleCharacterIterator& chars,
1676 UnicodeString& rebuiltPat,
1677 UErrorCode& ec);
1678
1683 typedef UBool (*Filter)(UChar32 codePoint, void* context);
1684
1694 void applyFilter(Filter filter,
1695 void* context,
1696 const UnicodeSet* inclusions,
1697 UErrorCode &status);
1698
1702 void setPattern(const UnicodeString& newPat) {
1703 setPattern(newPat.getBuffer(), newPat.length());
1704 }
1705 void setPattern(const char16_t *newPat, int32_t newPatLen);
1709 void releasePattern();
1710
1711 friend class UnicodeSetIterator;
1712 };
1713
1714
1715
1716 inline bool UnicodeSet::operator!=(const UnicodeSet& o) const {
1717 return !operator==(o);
1718 }
1719
1720 inline UBool UnicodeSet::isFrozen() const {
1721 return (UBool)(bmpSet!=NULL || stringSpan!=NULL);
1722 }
1723
1724 inline UBool UnicodeSet::containsSome(UChar32 start, UChar32 end) const {
1725 return !containsNone(start, end);
1726 }
1727
1728 inline UBool UnicodeSet::containsSome(const UnicodeSet& s) const {
1729 return !containsNone(s);
1730 }
1731
1732 inline UBool UnicodeSet::containsSome(const UnicodeString& s) const {
1733 return !containsNone(s);
1734 }
1735
1736 inline UBool UnicodeSet::isBogus() const {
1737 return (UBool)(fFlags & kIsBogus);
1738 }
1739
1740 inline UnicodeSet *UnicodeSet::fromUSet(USet *uset) {
1741 return reinterpret_cast<UnicodeSet *>(uset);
1742 }
1743
1744 inline const UnicodeSet *UnicodeSet::fromUSet(const USet *uset) {
1745 return reinterpret_cast<const UnicodeSet *>(uset);
1746 }
1747
1748 inline USet *UnicodeSet::toUSet() {
1749 return reinterpret_cast<USet *>(this);
1750 }
1751
1752 inline const USet *UnicodeSet::toUSet() const {
1753 return reinterpret_cast<const USet *>(this);
1754 }
1755
1756 inline int32_t UnicodeSet::span(const UnicodeString &s, int32_t start, USetSpanCondition spanCondition) const {
1757 int32_t sLength=s.length();
1758 if(start<0) {
1759 start=0;
1760 } else if(start>sLength) {
1761 start=sLength;
1762 }
1763 return start+span(s.getBuffer()+start, sLength-start, spanCondition);
1764 }
1765
1766 inline int32_t UnicodeSet::spanBack(const UnicodeString &s, int32_t limit, USetSpanCondition spanCondition) const {
1767 int32_t sLength=s.length();
1768 if(limit<0) {
1769 limit=0;
1770 } else if(limit>sLength) {
1771 limit=sLength;
1772 }
1773 return spanBack(s.getBuffer(), limit, spanCondition);
1774 }
1775
1776 U_NAMESPACE_END
1777
1778 #endif /* U_SHOW_CPLUSPLUS_API */
1779
1780 #endif
INITIAL_CAPACITY
#define INITIAL_CAPACITY
The initial size of an array if it is unspecified.
Definition: RunArrays.h:32
icu::ParsePosition
ParsePosition is a simple class used by Format and its subclasses to keep track of the current positi...
Definition: parsepos.h:52
icu::Replaceable
Replaceable is an abstract base class representing a string of characters that supports the replaceme...
Definition: rep.h:77
icu::SymbolTable
An interface that defines both lookup protocol and parsing of symbolic names.
Definition: symtable.h:59
icu::UnicodeFilter
UnicodeFilter defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Uni...
Definition: unifilt.h:65
icu::UnicodeMatcher::matchesIndexValue
virtual UBool matchesIndexValue(uint8_t v) const =0
Returns true if this matcher will match a character c, where c & 0xFF == v, at offset,...
icu::UnicodeSetIterator
UnicodeSetIterator iterates over the contents of a UnicodeSet.
Definition: usetiter.h:67
icu::UnicodeSet
A mutable set of Unicode characters and multicharacter strings.
Definition: uniset.h:285
icu::UnicodeSet::ESerialization
ESerialization
Definition: uniset.h:398
icu::UnicodeSet::removeAll
virtual UnicodeSet & removeAll(const UnicodeSet &c)
Removes from this set all of its elements that are contained in the specified set.
icu::UnicodeSet::cloneAsThawed
UnicodeSet * cloneAsThawed() const
Clone the set and make the clone mutable.
icu::UnicodeSet::getRangeEnd
virtual UChar32 getRangeEnd(int32_t index) const
Iteration method that returns the last character in the specified range of this set.
icu::UnicodeSet::UnicodeSet
UnicodeSet()
Constructs an empty set.
icu::UnicodeSet::spanBackUTF8
int32_t spanBackUTF8(const char *s, int32_t length, USetSpanCondition spanCondition) const
Returns the start of the trailing substring of the input string which consists only of characters and...
icu::UnicodeSet::complement
virtual UnicodeSet & complement(UChar32 start, UChar32 end)
Complements the specified range in this set.
icu::UnicodeSet::remove
UnicodeSet & remove(UChar32 c)
Removes the specified character from this set if it is present.
icu::UnicodeSet::UnicodeSet
UnicodeSet(UChar32 start, UChar32 end)
Constructs a set containing the given range.
icu::UnicodeSet::complementAll
UnicodeSet & complementAll(const UnicodeString &s)
Complement EACH of the characters in this string.
icu::UnicodeSet::spanUTF8
int32_t spanUTF8(const char *s, int32_t length, USetSpanCondition spanCondition) const
Returns the length of the initial substring of the input string which consists only of characters and...
icu::UnicodeSet::setToBogus
void setToBogus()
Make this UnicodeSet object invalid.
icu::UnicodeSet::retain
UnicodeSet & retain(UChar32 c)
Retain the specified character from this set if it is present.
icu::UnicodeSet::retain
virtual UnicodeSet & retain(UChar32 start, UChar32 end)
Retain only the elements in this set that are contained in the specified range.
icu::UnicodeSet::addMatchSetTo
virtual void addMatchSetTo(UnicodeSet &toUnionTo) const override
Implementation of UnicodeMatcher API.
icu::UnicodeSet::retainAll
UnicodeSet & retainAll(const UnicodeString &s)
Retains EACH of the characters in this string.
icu::UnicodeSet::getRangeStart
virtual UChar32 getRangeStart(int32_t index) const
Iteration method that returns the first character in the specified range of this set.
icu::UnicodeSet::complement
UnicodeSet & complement(const UnicodeString &s)
Complement the specified string in this set.
icu::UnicodeSet::freeze
UnicodeSet * freeze()
Freeze the set (make it immutable).
icu::UnicodeSet::addAll
UnicodeSet & addAll(const UnicodeString &s)
Adds each of the characters in this string to the set.
icu::UnicodeSet::remove
UnicodeSet & remove(const UnicodeString &s)
Removes the specified string from this set if it is present.
icu::UnicodeSet::indexOf
int32_t indexOf(UChar32 c) const
Returns the index of the given character within this set, where the set is ordered by ascending code ...
icu::UnicodeSet::addAll
virtual UnicodeSet & addAll(const UnicodeSet &c)
Adds all of the elements in the specified set to this set if they're not already present.
icu::UnicodeSet::getDynamicClassID
virtual UClassID getDynamicClassID(void) const override
Implement UnicodeFunctor API.
icu::UnicodeSet::UnicodeSet
UnicodeSet(const UnicodeString &pattern, ParsePosition &pos, uint32_t options, const SymbolTable *symbols, UErrorCode &status)
Constructs a set from the given pattern.
icu::UnicodeSet::toPattern
virtual UnicodeString & toPattern(UnicodeString &result, UBool escapeUnprintable=false) const override
Returns a string representation of this set.
icu::UnicodeSet::applyPattern
UnicodeSet & applyPattern(const UnicodeString &pattern, uint32_t options, const SymbolTable *symbols, UErrorCode &status)
Modifies this set to represent the set specified by the given pattern, optionally ignoring Unicode Pa...
icu::UnicodeSet::complement
virtual UnicodeSet & complement()
This is equivalent to complement(MIN_VALUE, MAX_VALUE).
icu::UnicodeSet::hashCode
virtual int32_t hashCode(void) const
Returns the hash code value for this set.
icu::UnicodeSet::retain
UnicodeSet & retain(const UnicodeString &s)
Retains only the specified string from this set if it is present.
icu::UnicodeSet::containsAll
virtual UBool containsAll(const UnicodeSet &c) const
Returns true if this set contains all the characters and strings of the given set.
icu::UnicodeSet::applyPattern
UnicodeSet & applyPattern(const UnicodeString &pattern, UErrorCode &status)
Modifies this set to represent the set specified by the given pattern, ignoring Unicode Pattern_White...
icu::UnicodeSet::createFrom
static UnicodeSet * createFrom(const UnicodeString &s)
Makes a set from a multicharacter string.
icu::UnicodeSet::containsNone
UBool containsNone(const UnicodeString &s) const
Returns true if this set contains none of the characters of the given string.
icu::UnicodeSet::createFromAll
static UnicodeSet * createFromAll(const UnicodeString &s)
Makes a set from each of the characters in the string.
icu::UnicodeSet::retainAll
virtual UnicodeSet & retainAll(const UnicodeSet &c)
Retains only the elements in this set that are contained in the specified set.
icu::UnicodeSet::UnicodeSet
UnicodeSet(const UnicodeSet &o)
Constructs a set that is identical to the given UnicodeSet.
icu::UnicodeSet::resemblesPattern
static UBool resemblesPattern(const UnicodeString &pattern, int32_t pos)
Return true if the given position, in the given pattern, appears to be the start of a UnicodeSet patt...
icu::UnicodeSet::~UnicodeSet
virtual ~UnicodeSet()
Destructs the set.
icu::UnicodeSet::span
int32_t span(const char16_t *s, int32_t length, USetSpanCondition spanCondition) const
Returns the length of the initial substring of the input string which consists only of characters and...
icu::UnicodeSet::charAt
UChar32 charAt(int32_t index) const
Returns the character at the given index within this set, where the set is ordered by ascending code ...
icu::UnicodeSet::closeOver
UnicodeSet & closeOver(int32_t attribute)
Close this set over the given attribute.
icu::UnicodeSet::getRangeCount
virtual int32_t getRangeCount(void) const
Iteration method that returns the number of ranges contained in this set.
icu::UnicodeSet::applyPattern
UnicodeSet & applyPattern(const UnicodeString &pattern, ParsePosition &pos, uint32_t options, const SymbolTable *symbols, UErrorCode &status)
Parses the given pattern, starting at the given position.
icu::UnicodeSet::containsNone
UBool containsNone(UChar32 start, UChar32 end) const
Returns true if this set contains none of the characters of the given range.
icu::UnicodeSet::add
UnicodeSet & add(UChar32 c)
Adds the specified character to this set if it is not already present.
icu::UnicodeSet::applyIntPropertyValue
UnicodeSet & applyIntPropertyValue(UProperty prop, int32_t value, UErrorCode &ec)
Modifies this set to contain those code points which have the given value for the given binary or enu...
icu::UnicodeSet::contains
virtual UBool contains(UChar32 start, UChar32 end) const
Returns true if this set contains every character of the given range.
icu::UnicodeSet::containsAll
UBool containsAll(const UnicodeString &s) const
Returns true if this set contains all the characters of the given string.
icu::UnicodeSet::size
virtual int32_t size(void) const
Returns the number of elements in this set (its cardinality).
icu::UnicodeSet::serialize
int32_t serialize(uint16_t *dest, int32_t destCapacity, UErrorCode &ec) const
Serializes this set into an array of 16-bit integers.
icu::UnicodeSet::add
UnicodeSet & add(const UnicodeString &s)
Adds the specified multicharacter to this set if it is not already present.
icu::UnicodeSet::contains
UBool contains(const UnicodeString &s) const
Returns true if this set contains the given multicharacter string.
icu::UnicodeSet::removeAllStrings
virtual UnicodeSet & removeAllStrings()
Remove all strings from this set.
icu::UnicodeSet::clone
virtual UnicodeSet * clone() const override
Returns a copy of this object.
icu::UnicodeSet::getStaticClassID
static UClassID getStaticClassID(void)
Return the class ID for this class.
icu::UnicodeSet::isEmpty
virtual UBool isEmpty(void) const
Returns true if this set contains no elements.
icu::UnicodeSet::operator==
virtual bool operator==(const UnicodeSet &o) const
Compares the specified object with this set for equality.
icu::UnicodeSet::UnicodeSet
UnicodeSet(const UnicodeString &pattern, UErrorCode &status)
Constructs a set from the given pattern.
icu::UnicodeSet::hasStrings
UBool hasStrings() const
icu::UnicodeSet::complement
UnicodeSet & complement(UChar32 c)
Complements the specified character in this set.
icu::UnicodeSet::spanBack
int32_t spanBack(const char16_t *s, int32_t length, USetSpanCondition spanCondition) const
Returns the start of the trailing substring of the input string which consists only of characters and...
icu::UnicodeSet::compact
virtual UnicodeSet & compact()
Reallocate this objects internal structures to take up the least possible space, without changing thi...
icu::UnicodeSet::matches
virtual UMatchDegree matches(const Replaceable &text, int32_t &offset, int32_t limit, UBool incremental) override
Implement UnicodeMatcher::matches()
icu::UnicodeSet::removeAll
UnicodeSet & removeAll(const UnicodeString &s)
Remove EACH of the characters in this string.
icu::UnicodeSet::add
virtual UnicodeSet & add(UChar32 start, UChar32 end)
Adds the specified range to this set if it is not already present.
icu::UnicodeSet::contains
virtual UBool contains(UChar32 c) const override
Returns true if this set contains the given character.
icu::UnicodeSet::UnicodeSet
UnicodeSet(const uint16_t buffer[], int32_t bufferLen, ESerialization serialization, UErrorCode &status)
Constructs a set from the output of serialize().
icu::UnicodeSet::remove
virtual UnicodeSet & remove(UChar32 start, UChar32 end)
Removes the specified range from this set if it is present.
icu::UnicodeSet::complementAll
virtual UnicodeSet & complementAll(const UnicodeSet &c)
Complements in this set all elements contained in the specified set.
icu::UnicodeSet::UnicodeSet
UnicodeSet(const UnicodeString &pattern, uint32_t options, const SymbolTable *symbols, UErrorCode &status)
Constructs a set from the given pattern.
icu::UnicodeSet::applyPropertyAlias
UnicodeSet & applyPropertyAlias(const UnicodeString &prop, const UnicodeString &value, UErrorCode &ec)
Modifies this set to contain those code points which have the given value for the given property.
icu::UnicodeSet::clear
virtual UnicodeSet & clear(void)
Removes all of the elements from this set.
icu::UnicodeSet::set
UnicodeSet & set(UChar32 start, UChar32 end)
Make this object represent the range start - end.
icu::UnicodeSet::operator=
UnicodeSet & operator=(const UnicodeSet &o)
Assigns this object to be a copy of another.
icu::UnicodeSet::containsNone
UBool containsNone(const UnicodeSet &c) const
Returns true if this set contains none of the characters and strings of the given set.
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:296
icu::UnicodeString::length
int32_t length(void) const
Return the length of the UnicodeString object.
Definition: unistr.h:3890
icu::UnicodeString::getBuffer
char16_t * getBuffer(int32_t minCapacity)
Get a read/write pointer to the internal buffer.
icu::operator==
U_EXPORT UBool operator==(const StringPiece &x, const StringPiece &y)
Global operator == for StringPiece.
icu::UMatchDegree
UMatchDegree
Constants returned by UnicodeMatcher::matches() indicating the degree of match.
Definition: unimatch.h:33
icu::operator!=
bool operator!=(const StringPiece &x, const StringPiece &y)
Global operator != for StringPiece.
Definition: stringpiece.h:335
UProperty
UProperty
Selection constants for Unicode properties.
Definition: uchar.h:195
ucpmap.h
C API: This file defines an abstract map from Unicode code points to integer values.
UChar32
int32_t UChar32
Define UChar32 as a type for single Unicode code points.
Definition: umachine.h:461
UBool
int8_t UBool
The ICU boolean type, a signed-byte integer.
Definition: umachine.h:269
U_FINAL
#define U_FINAL
Defined to the C++11 "final" keyword if available.
Definition: umachine.h:141
unifilt.h
C++ API: Unicode Filter.
unistr.h
C++ API: Unicode String.
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition: uobject.h:96
uset.h
C API: Unicode Set.
USetSpanCondition
USetSpanCondition
Argument values for whether span() and similar functions continue while the current character is cont...
Definition: uset.h:159
USet
struct USet USet
USet is the C API type corresponding to C++ class UnicodeSet.
Definition: uset.h:50
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
NULL
#define NULL
Define NULL if necessary, to nullptr for C++ and to ((void *)0) for C.
Definition: utypes.h:188
UErrorCode
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition: utypes.h:415
U_COMMON_API
#define U_COMMON_API
Set to export library symbols from inside the common library, and to import them from outside.
Definition: utypes.h:300