The Tor Browser: intl/icu/source/i18n/fpositer.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2 ******************************************************************************

     3 * Copyright (C) 2009-2012, International Business Machines Corporation and

     4 * others. All Rights Reserved.

     5 ******************************************************************************

     6 *   Date        Name        Description

     7 *   12/14/09    doug        Creation.

     8 ******************************************************************************

     9 */

    11 #include "unicode/utypes.h"

    13 #if !UCONFIG_NO_FORMATTING

    15 #include "unicode/fpositer.h"

    16 #include "cmemory.h"

    17 #include "uvectr32.h"

    19 U_NAMESPACE_BEGIN

    21 FieldPositionIterator::~FieldPositionIterator() {

    22   delete data;

    23   data = NULL;

    24   pos = -1;

    25 }

    27 FieldPositionIterator::FieldPositionIterator()

    28     : data(NULL), pos(-1) {

    29 }

    31 FieldPositionIterator::FieldPositionIterator(const FieldPositionIterator &rhs)

    32   : UObject(rhs), data(NULL), pos(rhs.pos) {

    34   if (rhs.data) {

    35     UErrorCode status = U_ZERO_ERROR;

    36     data = new UVector32(status);

    37     data->assign(*rhs.data, status);

    38     if (status != U_ZERO_ERROR) {

    39       delete data;

    40       data = NULL;

    41       pos = -1;

    42     }

    43   }

    44 }

    46 UBool FieldPositionIterator::operator==(const FieldPositionIterator &rhs) const {

    47   if (&rhs == this) {

    48     return TRUE;

    49   }

    50   if (pos != rhs.pos) {

    51     return FALSE;

    52   }

    53   if (!data) {

    54     return rhs.data == NULL;

    55   }

    56   return rhs.data ? data->operator==(*rhs.data) : FALSE;

    57 }

    59 void FieldPositionIterator::setData(UVector32 *adopt, UErrorCode& status) {

    60   // Verify that adopt has valid data, and update status if it doesn't.

    61   if (U_SUCCESS(status)) {

    62     if (adopt) {

    63       if ((adopt->size() % 3) != 0) {

    64         status = U_ILLEGAL_ARGUMENT_ERROR;

    65       } else {

    66         for (int i = 1; i < adopt->size(); i += 3) {

    67           if (adopt->elementAti(i) >= adopt->elementAti(i+1)) {

    68             status = U_ILLEGAL_ARGUMENT_ERROR;

    69             break;

    70           }

    71         }

    72       }

    73     }

    74   }

    76   // We own the data, even if status is in error, so we need to delete it now

    77   // if we're not keeping track of it.

    78   if (!U_SUCCESS(status)) {

    79     delete adopt;

    80     return;

    81   }

    83   delete data;

    84   data = adopt;

    85   pos = adopt == NULL ? -1 : 0;

    86 }

    88 UBool FieldPositionIterator::next(FieldPosition& fp) {

    89   if (pos == -1) {

    90     return FALSE;

    91   }

    93   fp.setField(data->elementAti(pos++));

    94   fp.setBeginIndex(data->elementAti(pos++));

    95   fp.setEndIndex(data->elementAti(pos++));

    97   if (pos == data->size()) {

    98     pos = -1;

    99   }

   101   return TRUE;

   102 }

   104 U_NAMESPACE_END

   106 #endif /* #if !UCONFIG_NO_FORMATTING */

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