// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
********************************************************************************
* Copyright (C) 2010-2012, International Business Machines
* Corporation and others. All Rights Reserved.
********************************************************************************
*
* File attiter.h
*
* Modification History:
*
* Date Name Description
* 12/15/2009 dougfelt Created
********************************************************************************
*/
#ifndef FPOSITER_H
#define FPOSITER_H
#include "unicode/utypes.h"
#if U_SHOW_CPLUSPLUS_API
#include "unicode/uobject.h"
/**
* \file
* \brief C++ API: FieldPosition Iterator.
*/
#if UCONFIG_NO_FORMATTING
U_NAMESPACE_BEGIN
/*
* Allow the declaration of APIs with pointers to FieldPositionIterator
* even when formatting is removed from the build.
*/
class FieldPositionIterator;
U_NAMESPACE_END
#else
#include "unicode/fieldpos.h"
#include "unicode/umisc.h"
U_NAMESPACE_BEGIN
class UVector32;
/**
* FieldPositionIterator returns the field ids and their start/limit positions generated
* by a call to Format::format. See Format, NumberFormat, DecimalFormat.
* @stable ICU 4.4
*/
class U_I18N_API FieldPositionIterator : public UObject {
public:
/**
* Destructor.
* @stable ICU 4.4
*/
~FieldPositionIterator();
/**
* Constructs a new, empty iterator.
* @stable ICU 4.4
*/
FieldPositionIterator(void);
/**
* Copy constructor. If the copy failed for some reason, the new iterator will
* be empty.
* @stable ICU 4.4
*/
FieldPositionIterator(const FieldPositionIterator&);
/**
* Return true if another object is semantically equal to this
* one.
* <p>
* Return true if this FieldPositionIterator is at the same position in an
* equal array of run values.
* @stable ICU 4.4
*/
UBool operator==(const FieldPositionIterator&) const;
/**
* Returns the complement of the result of operator==
* @param rhs The FieldPositionIterator to be compared for inequality
* @return the complement of the result of operator==
* @stable ICU 4.4
*/
UBool operator!=(const FieldPositionIterator& rhs) const { return !operator==(rhs); }
/**
* If the current position is valid, updates the FieldPosition values, advances the iterator,
* and returns TRUE, otherwise returns FALSE.
* @stable ICU 4.4
*/
UBool next(FieldPosition& fp);
private:
/**
* Sets the data used by the iterator, and resets the position.
* Returns U_ILLEGAL_ARGUMENT_ERROR in status if the data is not valid
* (length is not a multiple of 3, or start >= limit for any run).
*/
void setData(UVector32 *adopt, UErrorCode& status);
friend class FieldPositionIteratorHandler;
UVector32 *data;
int32_t pos;
};
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
#endif /* U_SHOW_CPLUSPLUS_API */
#endif // FPOSITER_H
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