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补充某些必要的文件
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SmallMain
383
cocos2d-x/external/win32/include/spidermonkey/unicode/uchriter.h
vendored
Executable file
383
cocos2d-x/external/win32/include/spidermonkey/unicode/uchriter.h
vendored
Executable file
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// Copyright (C) 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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**********************************************************************
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* Copyright (C) 1998-2005, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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*/
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#ifndef UCHRITER_H
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#define UCHRITER_H
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#include "unicode/utypes.h"
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#include "unicode/chariter.h"
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/**
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* \file
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* \brief C++ API: UChar Character Iterator
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*/
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U_NAMESPACE_BEGIN
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/**
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* A concrete subclass of CharacterIterator that iterates over the
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* characters (code units or code points) in a UChar array.
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* It's possible not only to create an
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* iterator that iterates over an entire UChar array, but also to
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* create one that iterates over only a subrange of a UChar array
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* (iterators over different subranges of the same UChar array don't
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* compare equal).
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* @see CharacterIterator
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* @see ForwardCharacterIterator
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* @stable ICU 2.0
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*/
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class U_COMMON_API UCharCharacterIterator : public CharacterIterator {
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public:
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/**
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* Create an iterator over the UChar array referred to by "textPtr".
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* The iteration range is 0 to <code>length-1</code>.
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* text is only aliased, not adopted (the
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* destructor will not delete it).
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* @param textPtr The UChar array to be iterated over
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* @param length The length of the UChar array
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* @stable ICU 2.0
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*/
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UCharCharacterIterator(const UChar* textPtr, int32_t length);
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/**
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* Create an iterator over the UChar array referred to by "textPtr".
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* The iteration range is 0 to <code>length-1</code>.
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* text is only aliased, not adopted (the
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* destructor will not delete it).
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* The starting
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* position is specified by "position". If "position" is outside the valid
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* iteration range, the behavior of this object is undefined.
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* @param textPtr The UChar array to be iteratd over
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* @param length The length of the UChar array
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* @param position The starting position of the iteration
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* @stable ICU 2.0
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*/
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UCharCharacterIterator(const UChar* textPtr, int32_t length,
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int32_t position);
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/**
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* Create an iterator over the UChar array referred to by "textPtr".
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* The iteration range is 0 to <code>end-1</code>.
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* text is only aliased, not adopted (the
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* destructor will not delete it).
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* The starting
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* position is specified by "position". If begin and end do not
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* form a valid iteration range or "position" is outside the valid
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* iteration range, the behavior of this object is undefined.
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* @param textPtr The UChar array to be iterated over
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* @param length The length of the UChar array
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* @param textBegin The begin position of the iteration range
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* @param textEnd The end position of the iteration range
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* @param position The starting position of the iteration
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* @stable ICU 2.0
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*/
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UCharCharacterIterator(const UChar* textPtr, int32_t length,
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int32_t textBegin,
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int32_t textEnd,
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int32_t position);
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/**
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* Copy constructor. The new iterator iterates over the same range
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* of the same string as "that", and its initial position is the
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* same as "that"'s current position.
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* @param that The UCharCharacterIterator to be copied
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* @stable ICU 2.0
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*/
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UCharCharacterIterator(const UCharCharacterIterator& that);
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/**
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* Destructor.
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* @stable ICU 2.0
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*/
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virtual ~UCharCharacterIterator();
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/**
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* Assignment operator. *this is altered to iterate over the sane
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* range of the same string as "that", and refers to the same
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* character within that string as "that" does.
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* @param that The object to be copied
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* @return the newly created object
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* @stable ICU 2.0
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*/
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UCharCharacterIterator&
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operator=(const UCharCharacterIterator& that);
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/**
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* Returns true if the iterators iterate over the same range of the
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* same string and are pointing at the same character.
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* @param that The ForwardCharacterIterator used to be compared for equality
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* @return true if the iterators iterate over the same range of the
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* same string and are pointing at the same character.
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* @stable ICU 2.0
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*/
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virtual UBool operator==(const ForwardCharacterIterator& that) const;
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/**
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* Generates a hash code for this iterator.
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* @return the hash code.
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* @stable ICU 2.0
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*/
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virtual int32_t hashCode(void) const;
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/**
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* Returns a new UCharCharacterIterator referring to the same
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* character in the same range of the same string as this one. The
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* caller must delete the new iterator.
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* @return the CharacterIterator newly created
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* @stable ICU 2.0
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*/
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virtual CharacterIterator* clone(void) const;
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/**
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* Sets the iterator to refer to the first code unit in its
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* iteration range, and returns that code unit.
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* This can be used to begin an iteration with next().
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* @return the first code unit in its iteration range.
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* @stable ICU 2.0
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*/
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virtual UChar first(void);
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/**
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* Sets the iterator to refer to the first code unit in its
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* iteration range, returns that code unit, and moves the position
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* to the second code unit. This is an alternative to setToStart()
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* for forward iteration with nextPostInc().
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* @return the first code unit in its iteration range
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* @stable ICU 2.0
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*/
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virtual UChar firstPostInc(void);
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/**
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* Sets the iterator to refer to the first code point in its
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* iteration range, and returns that code unit,
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* This can be used to begin an iteration with next32().
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* Note that an iteration with next32PostInc(), beginning with,
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* e.g., setToStart() or firstPostInc(), is more efficient.
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* @return the first code point in its iteration range
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* @stable ICU 2.0
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*/
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virtual UChar32 first32(void);
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/**
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* Sets the iterator to refer to the first code point in its
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* iteration range, returns that code point, and moves the position
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* to the second code point. This is an alternative to setToStart()
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* for forward iteration with next32PostInc().
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* @return the first code point in its iteration range.
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* @stable ICU 2.0
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*/
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virtual UChar32 first32PostInc(void);
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/**
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* Sets the iterator to refer to the last code unit in its
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* iteration range, and returns that code unit.
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* This can be used to begin an iteration with previous().
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* @return the last code unit in its iteration range.
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* @stable ICU 2.0
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*/
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virtual UChar last(void);
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/**
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* Sets the iterator to refer to the last code point in its
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* iteration range, and returns that code unit.
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* This can be used to begin an iteration with previous32().
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* @return the last code point in its iteration range.
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* @stable ICU 2.0
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*/
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virtual UChar32 last32(void);
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/**
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* Sets the iterator to refer to the "position"-th code unit
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* in the text-storage object the iterator refers to, and
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* returns that code unit.
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* @param position the position within the text-storage object
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* @return the code unit
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* @stable ICU 2.0
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*/
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virtual UChar setIndex(int32_t position);
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/**
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* Sets the iterator to refer to the beginning of the code point
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* that contains the "position"-th code unit
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* in the text-storage object the iterator refers to, and
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* returns that code point.
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* The current position is adjusted to the beginning of the code point
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* (its first code unit).
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* @param position the position within the text-storage object
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* @return the code unit
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* @stable ICU 2.0
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*/
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virtual UChar32 setIndex32(int32_t position);
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/**
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* Returns the code unit the iterator currently refers to.
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* @return the code unit the iterator currently refers to.
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* @stable ICU 2.0
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*/
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virtual UChar current(void) const;
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/**
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* Returns the code point the iterator currently refers to.
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* @return the code point the iterator currently refers to.
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* @stable ICU 2.0
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*/
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virtual UChar32 current32(void) const;
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/**
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* Advances to the next code unit in the iteration range (toward
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* endIndex()), and returns that code unit. If there are no more
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* code units to return, returns DONE.
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* @return the next code unit in the iteration range.
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* @stable ICU 2.0
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*/
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virtual UChar next(void);
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/**
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* Gets the current code unit for returning and advances to the next code unit
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* in the iteration range
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* (toward endIndex()). If there are
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* no more code units to return, returns DONE.
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* @return the current code unit.
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* @stable ICU 2.0
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*/
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virtual UChar nextPostInc(void);
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/**
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* Advances to the next code point in the iteration range (toward
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* endIndex()), and returns that code point. If there are no more
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* code points to return, returns DONE.
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* Note that iteration with "pre-increment" semantics is less
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* efficient than iteration with "post-increment" semantics
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* that is provided by next32PostInc().
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* @return the next code point in the iteration range.
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* @stable ICU 2.0
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*/
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virtual UChar32 next32(void);
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/**
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* Gets the current code point for returning and advances to the next code point
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* in the iteration range
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* (toward endIndex()). If there are
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* no more code points to return, returns DONE.
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* @return the current point.
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* @stable ICU 2.0
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*/
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virtual UChar32 next32PostInc(void);
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/**
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* Returns FALSE if there are no more code units or code points
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* at or after the current position in the iteration range.
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* This is used with nextPostInc() or next32PostInc() in forward
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* iteration.
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* @return FALSE if there are no more code units or code points
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* at or after the current position in the iteration range.
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* @stable ICU 2.0
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*/
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virtual UBool hasNext();
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/**
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* Advances to the previous code unit in the iteration range (toward
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* startIndex()), and returns that code unit. If there are no more
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* code units to return, returns DONE.
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* @return the previous code unit in the iteration range.
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* @stable ICU 2.0
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*/
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virtual UChar previous(void);
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/**
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* Advances to the previous code point in the iteration range (toward
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* startIndex()), and returns that code point. If there are no more
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* code points to return, returns DONE.
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* @return the previous code point in the iteration range.
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* @stable ICU 2.0
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*/
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virtual UChar32 previous32(void);
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/**
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* Returns FALSE if there are no more code units or code points
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* before the current position in the iteration range.
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* This is used with previous() or previous32() in backward
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* iteration.
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* @return FALSE if there are no more code units or code points
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* before the current position in the iteration range.
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* @stable ICU 2.0
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*/
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virtual UBool hasPrevious();
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/**
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* Moves the current position relative to the start or end of the
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* iteration range, or relative to the current position itself.
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* The movement is expressed in numbers of code units forward
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* or backward by specifying a positive or negative delta.
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* @param delta the position relative to origin. A positive delta means forward;
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* a negative delta means backward.
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* @param origin Origin enumeration {kStart, kCurrent, kEnd}
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* @return the new position
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* @stable ICU 2.0
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*/
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virtual int32_t move(int32_t delta, EOrigin origin);
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/**
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* Moves the current position relative to the start or end of the
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* iteration range, or relative to the current position itself.
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* The movement is expressed in numbers of code points forward
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* or backward by specifying a positive or negative delta.
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* @param delta the position relative to origin. A positive delta means forward;
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* a negative delta means backward.
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* @param origin Origin enumeration {kStart, kCurrent, kEnd}
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* @return the new position
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* @stable ICU 2.0
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*/
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virtual int32_t move32(int32_t delta, EOrigin origin);
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/**
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* Sets the iterator to iterate over a new range of text
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* @stable ICU 2.0
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*/
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void setText(const UChar* newText, int32_t newTextLength);
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/**
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* Copies the UChar array under iteration into the UnicodeString
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* referred to by "result". Even if this iterator iterates across
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* only a part of this string, the whole string is copied.
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* @param result Receives a copy of the text under iteration.
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* @stable ICU 2.0
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*/
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virtual void getText(UnicodeString& result);
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/**
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* Return a class ID for this class (not really public)
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* @return a class ID for this class
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* @stable ICU 2.0
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*/
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static UClassID U_EXPORT2 getStaticClassID(void);
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/**
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* Return a class ID for this object (not really public)
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* @return a class ID for this object.
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* @stable ICU 2.0
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*/
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virtual UClassID getDynamicClassID(void) const;
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protected:
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/**
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* Protected constructor
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* @stable ICU 2.0
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*/
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UCharCharacterIterator();
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/**
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* Protected member text
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* @stable ICU 2.0
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*/
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const UChar* text;
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};
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U_NAMESPACE_END
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#endif
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