ICU 55.1  55.1
uchriter.h
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1 /*
2 **********************************************************************
3 * Copyright (C) 1998-2005, International Business Machines
4 * Corporation and others. All Rights Reserved.
5 **********************************************************************
6 */
7 
8 #ifndef UCHRITER_H
9 #define UCHRITER_H
10 
11 #include "unicode/utypes.h"
12 #include "unicode/chariter.h"
13 
20 
34 public:
44  UCharCharacterIterator(const UChar* textPtr, int32_t length);
45 
59  UCharCharacterIterator(const UChar* textPtr, int32_t length,
60  int32_t position);
61 
78  UCharCharacterIterator(const UChar* textPtr, int32_t length,
79  int32_t textBegin,
80  int32_t textEnd,
81  int32_t position);
82 
91 
97 
108 
117  virtual UBool operator==(const ForwardCharacterIterator& that) const;
118 
124  virtual int32_t hashCode(void) const;
125 
133  virtual CharacterIterator* clone(void) const;
134 
142  virtual UChar first(void);
143 
152  virtual UChar firstPostInc(void);
153 
163  virtual UChar32 first32(void);
164 
173  virtual UChar32 first32PostInc(void);
174 
182  virtual UChar last(void);
183 
191  virtual UChar32 last32(void);
192 
201  virtual UChar setIndex(int32_t position);
202 
214  virtual UChar32 setIndex32(int32_t position);
215 
221  virtual UChar current(void) const;
222 
228  virtual UChar32 current32(void) const;
229 
237  virtual UChar next(void);
238 
247  virtual UChar nextPostInc(void);
248 
259  virtual UChar32 next32(void);
260 
269  virtual UChar32 next32PostInc(void);
270 
280  virtual UBool hasNext();
281 
289  virtual UChar previous(void);
290 
298  virtual UChar32 previous32(void);
299 
309  virtual UBool hasPrevious();
310 
322  virtual int32_t move(int32_t delta, EOrigin origin);
323 
335  virtual int32_t move32(int32_t delta, EOrigin origin);
336 
341  void setText(const UChar* newText, int32_t newTextLength);
342 
350  virtual void getText(UnicodeString& result);
351 
357  static UClassID U_EXPORT2 getStaticClassID(void);
358 
364  virtual UClassID getDynamicClassID(void) const;
365 
366 protected:
376  const UChar* text;
377 
378 };
379 
381 #endif
icu::UCharCharacterIterator::UCharCharacterIterator
UCharCharacterIterator(const UChar *textPtr, int32_t length)
Create an iterator over the UChar array referred to by "textPtr".
icu::UCharCharacterIterator::UCharCharacterIterator
UCharCharacterIterator(const UChar *textPtr, int32_t length, int32_t position)
Create an iterator over the UChar array referred to by "textPtr".
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
icu::UCharCharacterIterator::operator==
virtual UBool operator==(const ForwardCharacterIterator &that) const
Returns true if the iterators iterate over the same range of the same string and are pointing at the ...
UBool
int8_t UBool
The ICU boolean type.
Definition: umachine.h:234
icu::UCharCharacterIterator::operator=
UCharCharacterIterator & operator=(const UCharCharacterIterator &that)
Assignment operator.
icu::UCharCharacterIterator::first32PostInc
virtual UChar32 first32PostInc(void)
Sets the iterator to refer to the first code point in its iteration range, returns that code point,...
icu::UCharCharacterIterator::~UCharCharacterIterator
virtual ~UCharCharacterIterator()
Destructor.
icu::UCharCharacterIterator::first32
virtual UChar32 first32(void)
Sets the iterator to refer to the first code point in its iteration range, and returns that code unit...
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:357
icu::UCharCharacterIterator::UCharCharacterIterator
UCharCharacterIterator(const UCharCharacterIterator &that)
Copy constructor.
icu::UCharCharacterIterator::previous
virtual UChar previous(void)
Advances to the previous code unit in the iteration range (toward startIndex()), and returns that cod...
icu::UCharCharacterIterator::next32
virtual UChar32 next32(void)
Advances to the next code point in the iteration range (toward endIndex()), and returns that code poi...
icu::UCharCharacterIterator::move
virtual int32_t move(int32_t delta, EOrigin origin)
Moves the current position relative to the start or end of the iteration range, or relative to the cu...
icu::UCharCharacterIterator::first
virtual UChar first(void)
Sets the iterator to refer to the first code unit in its iteration range, and returns that code unit.
icu::UCharCharacterIterator::hasPrevious
virtual UBool hasPrevious()
Returns FALSE if there are no more code units or code points before the current position in the itera...
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:246
icu::UCharCharacterIterator::UCharCharacterIterator
UCharCharacterIterator()
Protected constructor.
UChar32
int32_t UChar32
Define UChar32 as a type for single Unicode code points.
Definition: umachine.h:332
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition: uobject.h:91
icu::UCharCharacterIterator::getText
virtual void getText(UnicodeString &result)
Copies the UChar array under iteration into the UnicodeString referred to by "result".
icu::UCharCharacterIterator::hasNext
virtual UBool hasNext()
Returns FALSE if there are no more code units or code points at or after the current position in the ...
icu::ForwardCharacterIterator
Abstract class that defines an API for forward-only iteration on text objects.
Definition: chariter.h:89
icu::UCharCharacterIterator::setIndex
virtual UChar setIndex(int32_t position)
Sets the iterator to refer to the "position"-th code unit in the text-storage object the iterator ref...
icu::UCharCharacterIterator::next
virtual UChar next(void)
Advances to the next code unit in the iteration range (toward endIndex()), and returns that code unit...
icu::UCharCharacterIterator::getDynamicClassID
virtual UClassID getDynamicClassID(void) const
Return a class ID for this object (not really public)
icu::UCharCharacterIterator::last32
virtual UChar32 last32(void)
Sets the iterator to refer to the last code point in its iteration range, and returns that code unit.
icu::UCharCharacterIterator::setText
void setText(const UChar *newText, int32_t newTextLength)
Sets the iterator to iterate over a new range of text.
icu::CharacterIterator::EOrigin
EOrigin
Origin enumeration for the move() and move32() functions.
Definition: chariter.h:362
icu::UCharCharacterIterator::current32
virtual UChar32 current32(void) const
Returns the code point the iterator currently refers to.
icu::UCharCharacterIterator::move32
virtual int32_t move32(int32_t delta, EOrigin origin)
Moves the current position relative to the start or end of the iteration range, or relative to the cu...
icu::UCharCharacterIterator::text
const UChar * text
Protected member text.
Definition: uchriter.h:376
icu::UCharCharacterIterator::firstPostInc
virtual UChar firstPostInc(void)
Sets the iterator to refer to the first code unit in its iteration range, returns that code unit,...
icu::CharacterIterator
Abstract class that defines an API for iteration on text objects.
Definition: chariter.h:356
icu::UCharCharacterIterator::last
virtual UChar last(void)
Sets the iterator to refer to the last code unit in its iteration range, and returns that code unit.
icu::UCharCharacterIterator::clone
virtual CharacterIterator * clone(void) const
Returns a new UCharCharacterIterator referring to the same character in the same range of the same st...
icu::UCharCharacterIterator::getStaticClassID
static UClassID getStaticClassID(void)
Return a class ID for this class (not really public)
chariter.h
C++ API: Character Iterator.
icu::UCharCharacterIterator
A concrete subclass of CharacterIterator that iterates over the characters (code units or code points...
Definition: uchriter.h:33
icu::UCharCharacterIterator::nextPostInc
virtual UChar nextPostInc(void)
Gets the current code unit for returning and advances to the next code unit in the iteration range (t...
icu::UCharCharacterIterator::UCharCharacterIterator
UCharCharacterIterator(const UChar *textPtr, int32_t length, int32_t textBegin, int32_t textEnd, int32_t position)
Create an iterator over the UChar array referred to by "textPtr".
UChar
uint16_t UChar
Define UChar to be UCHAR_TYPE, if that is #defined (for example, to char16_t), or wchar_t if that is ...
Definition: umachine.h:312
icu::UCharCharacterIterator::previous32
virtual UChar32 previous32(void)
Advances to the previous code point in the iteration range (toward startIndex()), and returns that co...
U_NAMESPACE_END
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:130
U_NAMESPACE_BEGIN
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:129
icu::UCharCharacterIterator::next32PostInc
virtual UChar32 next32PostInc(void)
Gets the current code point for returning and advances to the next code point in the iteration range ...
icu::UCharCharacterIterator::current
virtual UChar current(void) const
Returns the code unit the iterator currently refers to.
icu::UCharCharacterIterator::hashCode
virtual int32_t hashCode(void) const
Generates a hash code for this iterator.
icu::UCharCharacterIterator::setIndex32
virtual UChar32 setIndex32(int32_t position)
Sets the iterator to refer to the beginning of the code point that contains the "position"-th code un...