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 
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 
383 
393 
394 #ifndef U_HIDE_INTERNAL_API
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 
469 
474  virtual ~UnicodeSet();
475 
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 
591 
601 
602  //----------------------------------------------------------------
603  // Public API
604  //----------------------------------------------------------------
605 
616 
622  static UBool resemblesPattern(const UnicodeString& pattern,
623  int32_t pos);
624 
638  UErrorCode& status);
639 
640 #ifndef U_HIDE_INTERNAL_API
658  uint32_t options,
659  const SymbolTable* symbols,
660  UErrorCode& status);
661 #endif /* U_HIDE_INTERNAL_API */
662 
695  ParsePosition& pos,
696  uint32_t options,
697  const SymbolTable* symbols,
698  UErrorCode& status);
699 
714  UBool escapeUnprintable = false) const override;
715 
739  int32_t value,
740  UErrorCode& ec);
741 
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 
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 
1124 
1137 
1138  private:
1144  static int32_t getSingleCP(const UnicodeString& s);
1145 
1146  void _add(const UnicodeString& s);
1147 
1148  public:
1158 
1167 
1176 
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 
1229 
1241 
1255  virtual UnicodeSet& remove(UChar32 start, UChar32 end);
1256 
1268 
1279 
1293 
1306  virtual UnicodeSet& complement(UChar32 start, UChar32 end);
1307 
1319 
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 
1382 
1389  virtual UnicodeSet& clear(void);
1390 
1416  UnicodeSet& closeOver(int32_t attribute);
1417 
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
#define INITIAL_CAPACITY
The initial size of an array if it is unspecified.
Definition: RunArrays.h:32
ParsePosition is a simple class used by Format and its subclasses to keep track of the current positi...
Definition: parsepos.h:52
Replaceable is an abstract base class representing a string of characters that supports the replaceme...
Definition: rep.h:77
An interface that defines both lookup protocol and parsing of symbolic names.
Definition: symtable.h:59
UnicodeFilter defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Uni...
Definition: unifilt.h:65
virtual UBool matchesIndexValue(uint8_t v) const =0
Returns true if this matcher will match a character c, where c & 0xFF == v, at offset,...
UnicodeSetIterator iterates over the contents of a UnicodeSet.
Definition: usetiter.h:67
A mutable set of Unicode characters and multicharacter strings.
Definition: uniset.h:285
virtual UnicodeSet & removeAll(const UnicodeSet &c)
Removes from this set all of its elements that are contained in the specified set.
UnicodeSet * cloneAsThawed() const
Clone the set and make the clone mutable.
virtual UChar32 getRangeEnd(int32_t index) const
Iteration method that returns the last character in the specified range of this set.
UnicodeSet()
Constructs an empty set.
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...
virtual UnicodeSet & complement(UChar32 start, UChar32 end)
Complements the specified range in this set.
UnicodeSet & remove(UChar32 c)
Removes the specified character from this set if it is present.
UnicodeSet(UChar32 start, UChar32 end)
Constructs a set containing the given range.
UnicodeSet & complementAll(const UnicodeString &s)
Complement EACH of the characters in this string.
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...
void setToBogus()
Make this UnicodeSet object invalid.
UnicodeSet & retain(UChar32 c)
Retain the specified character from this set if it is present.
virtual UnicodeSet & retain(UChar32 start, UChar32 end)
Retain only the elements in this set that are contained in the specified range.
virtual void addMatchSetTo(UnicodeSet &toUnionTo) const override
Implementation of UnicodeMatcher API.
UnicodeSet & retainAll(const UnicodeString &s)
Retains EACH of the characters in this string.
virtual UChar32 getRangeStart(int32_t index) const
Iteration method that returns the first character in the specified range of this set.
UnicodeSet & complement(const UnicodeString &s)
Complement the specified string in this set.
UnicodeSet * freeze()
Freeze the set (make it immutable).
UnicodeSet & addAll(const UnicodeString &s)
Adds each of the characters in this string to the set.
UnicodeSet & remove(const UnicodeString &s)
Removes the specified string from this set if it is present.
int32_t indexOf(UChar32 c) const
Returns the index of the given character within this set, where the set is ordered by ascending code ...
virtual UnicodeSet & addAll(const UnicodeSet &c)
Adds all of the elements in the specified set to this set if they're not already present.
virtual UClassID getDynamicClassID(void) const override
Implement UnicodeFunctor API.
UnicodeSet(const UnicodeString &pattern, ParsePosition &pos, uint32_t options, const SymbolTable *symbols, UErrorCode &status)
Constructs a set from the given pattern.
virtual UnicodeString & toPattern(UnicodeString &result, UBool escapeUnprintable=false) const override
Returns a string representation of this set.
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...
virtual UnicodeSet & complement()
This is equivalent to complement(MIN_VALUE, MAX_VALUE).
virtual int32_t hashCode(void) const
Returns the hash code value for this set.
UnicodeSet & retain(const UnicodeString &s)
Retains only the specified string from this set if it is present.
virtual UBool containsAll(const UnicodeSet &c) const
Returns true if this set contains all the characters and strings of the given set.
UnicodeSet & applyPattern(const UnicodeString &pattern, UErrorCode &status)
Modifies this set to represent the set specified by the given pattern, ignoring Unicode Pattern_White...
static UnicodeSet * createFrom(const UnicodeString &s)
Makes a set from a multicharacter string.
UBool containsNone(const UnicodeString &s) const
Returns true if this set contains none of the characters of the given string.
static UnicodeSet * createFromAll(const UnicodeString &s)
Makes a set from each of the characters in the string.
virtual UnicodeSet & retainAll(const UnicodeSet &c)
Retains only the elements in this set that are contained in the specified set.
UnicodeSet(const UnicodeSet &o)
Constructs a set that is identical to the given UnicodeSet.
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...
virtual ~UnicodeSet()
Destructs the set.
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...
UChar32 charAt(int32_t index) const
Returns the character at the given index within this set, where the set is ordered by ascending code ...
UnicodeSet & closeOver(int32_t attribute)
Close this set over the given attribute.
virtual int32_t getRangeCount(void) const
Iteration method that returns the number of ranges contained in this set.
UnicodeSet & applyPattern(const UnicodeString &pattern, ParsePosition &pos, uint32_t options, const SymbolTable *symbols, UErrorCode &status)
Parses the given pattern, starting at the given position.
UBool containsNone(UChar32 start, UChar32 end) const
Returns true if this set contains none of the characters of the given range.
UnicodeSet & add(UChar32 c)
Adds the specified character to this set if it is not already present.
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...
virtual UBool contains(UChar32 start, UChar32 end) const
Returns true if this set contains every character of the given range.
UBool containsAll(const UnicodeString &s) const
Returns true if this set contains all the characters of the given string.
virtual int32_t size(void) const
Returns the number of elements in this set (its cardinality).
int32_t serialize(uint16_t *dest, int32_t destCapacity, UErrorCode &ec) const
Serializes this set into an array of 16-bit integers.
UnicodeSet & add(const UnicodeString &s)
Adds the specified multicharacter to this set if it is not already present.
UBool contains(const UnicodeString &s) const
Returns true if this set contains the given multicharacter string.
virtual UnicodeSet & removeAllStrings()
Remove all strings from this set.
virtual UnicodeSet * clone() const override
Returns a copy of this object.
static UClassID getStaticClassID(void)
Return the class ID for this class.
virtual UBool isEmpty(void) const
Returns true if this set contains no elements.
virtual bool operator==(const UnicodeSet &o) const
Compares the specified object with this set for equality.
UnicodeSet(const UnicodeString &pattern, UErrorCode &status)
Constructs a set from the given pattern.
UBool hasStrings() const
UnicodeSet & complement(UChar32 c)
Complements the specified character in this set.
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...
virtual UnicodeSet & compact()
Reallocate this objects internal structures to take up the least possible space, without changing thi...
virtual UMatchDegree matches(const Replaceable &text, int32_t &offset, int32_t limit, UBool incremental) override
Implement UnicodeMatcher::matches()
UnicodeSet & removeAll(const UnicodeString &s)
Remove EACH of the characters in this string.
virtual UnicodeSet & add(UChar32 start, UChar32 end)
Adds the specified range to this set if it is not already present.
virtual UBool contains(UChar32 c) const override
Returns true if this set contains the given character.
UnicodeSet(const uint16_t buffer[], int32_t bufferLen, ESerialization serialization, UErrorCode &status)
Constructs a set from the output of serialize().
virtual UnicodeSet & remove(UChar32 start, UChar32 end)
Removes the specified range from this set if it is present.
virtual UnicodeSet & complementAll(const UnicodeSet &c)
Complements in this set all elements contained in the specified set.
UnicodeSet(const UnicodeString &pattern, uint32_t options, const SymbolTable *symbols, UErrorCode &status)
Constructs a set from the given pattern.
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.
virtual UnicodeSet & clear(void)
Removes all of the elements from this set.
UnicodeSet & set(UChar32 start, UChar32 end)
Make this object represent the range start - end.
UnicodeSet & operator=(const UnicodeSet &o)
Assigns this object to be a copy of another.
UBool containsNone(const UnicodeSet &c) const
Returns true if this set contains none of the characters and strings of the given set.
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:296
int32_t length(void) const
Return the length of the UnicodeString object.
Definition: unistr.h:3890
char16_t * getBuffer(int32_t minCapacity)
Get a read/write pointer to the internal buffer.
U_EXPORT UBool operator==(const StringPiece &x, const StringPiece &y)
Global operator == for StringPiece.
UMatchDegree
Constants returned by UnicodeMatcher::matches() indicating the degree of match.
Definition: unimatch.h:33
bool operator!=(const StringPiece &x, const StringPiece &y)
Global operator != for StringPiece.
Definition: stringpiece.h:335
UProperty
Selection constants for Unicode properties.
Definition: uchar.h:195
C API: This file defines an abstract map from Unicode code points to integer values.
int32_t UChar32
Define UChar32 as a type for single Unicode code points.
Definition: umachine.h:461
int8_t UBool
The ICU boolean type, a signed-byte integer.
Definition: umachine.h:269
#define U_FINAL
Defined to the C++11 "final" keyword if available.
Definition: umachine.h:141
C++ API: Unicode Filter.
C++ API: Unicode String.
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition: uobject.h:96
C API: Unicode Set.
USetSpanCondition
Argument values for whether span() and similar functions continue while the current character is cont...
Definition: uset.h:159
struct USet USet
USet is the C API type corresponding to C++ class UnicodeSet.
Definition: uset.h:50
Basic definitions for ICU, for both C and C++ APIs.
#define NULL
Define NULL if necessary, to nullptr for C++ and to ((void *)0) for C.
Definition: utypes.h:188
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition: utypes.h:415
#define U_COMMON_API
Set to export library symbols from inside the common library, and to import them from outside.
Definition: utypes.h:300