115 lines
2.7 KiB
C++
115 lines
2.7 KiB
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) 2009-2012, International Business Machines Corporation and
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* others. All Rights Reserved.
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******************************************************************************
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* Date Name Description
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* 12/14/09 doug Creation.
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******************************************************************************
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/fpositer.h"
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#include "cmemory.h"
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#include "uvectr32.h"
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U_NAMESPACE_BEGIN
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FieldPositionIterator::~FieldPositionIterator() {
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delete data;
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data = NULL;
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pos = -1;
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}
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FieldPositionIterator::FieldPositionIterator()
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: data(NULL), pos(-1) {
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}
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FieldPositionIterator::FieldPositionIterator(const FieldPositionIterator &rhs)
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: UObject(rhs), data(NULL), pos(rhs.pos) {
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if (rhs.data) {
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UErrorCode status = U_ZERO_ERROR;
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data = new UVector32(status);
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data->assign(*rhs.data, status);
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if (status != U_ZERO_ERROR) {
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delete data;
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data = NULL;
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pos = -1;
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}
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}
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}
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bool FieldPositionIterator::operator==(const FieldPositionIterator &rhs) const {
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if (&rhs == this) {
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return true;
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}
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if (pos != rhs.pos) {
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return false;
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}
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if (!data) {
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return rhs.data == NULL;
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}
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return rhs.data ? data->operator==(*rhs.data) : false;
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}
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void FieldPositionIterator::setData(UVector32 *adopt, UErrorCode& status) {
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// Verify that adopt has valid data, and update status if it doesn't.
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if (U_SUCCESS(status)) {
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if (adopt) {
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if (adopt->size() == 0) {
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delete adopt;
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adopt = NULL;
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} else if ((adopt->size() % 4) != 0) {
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status = U_ILLEGAL_ARGUMENT_ERROR;
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} else {
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for (int i = 2; i < adopt->size(); i += 4) {
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if (adopt->elementAti(i) >= adopt->elementAti(i+1)) {
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status = U_ILLEGAL_ARGUMENT_ERROR;
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break;
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}
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}
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}
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}
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}
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// We own the data, even if status is in error, so we need to delete it now
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// if we're not keeping track of it.
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if (!U_SUCCESS(status)) {
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delete adopt;
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return;
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}
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delete data;
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data = adopt;
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pos = adopt == NULL ? -1 : 0;
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}
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UBool FieldPositionIterator::next(FieldPosition& fp) {
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if (pos == -1) {
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return FALSE;
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}
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// Ignore the first element of the tetrad: used for field category
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pos++;
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fp.setField(data->elementAti(pos++));
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fp.setBeginIndex(data->elementAti(pos++));
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fp.setEndIndex(data->elementAti(pos++));
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if (pos == data->size()) {
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pos = -1;
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}
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return TRUE;
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}
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_FORMATTING */
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