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1 /* |
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2 ****************************************************************************** |
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3 * Copyright (C) 2009-2012, International Business Machines Corporation and |
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4 * others. All Rights Reserved. |
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5 ****************************************************************************** |
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6 * Date Name Description |
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7 * 12/14/09 doug Creation. |
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8 ****************************************************************************** |
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9 */ |
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10 |
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11 #include "unicode/utypes.h" |
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12 |
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13 #if !UCONFIG_NO_FORMATTING |
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14 |
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15 #include "unicode/fpositer.h" |
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16 #include "cmemory.h" |
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17 #include "uvectr32.h" |
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18 |
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19 U_NAMESPACE_BEGIN |
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20 |
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21 FieldPositionIterator::~FieldPositionIterator() { |
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22 delete data; |
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23 data = NULL; |
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24 pos = -1; |
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25 } |
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26 |
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27 FieldPositionIterator::FieldPositionIterator() |
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28 : data(NULL), pos(-1) { |
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29 } |
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30 |
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31 FieldPositionIterator::FieldPositionIterator(const FieldPositionIterator &rhs) |
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32 : UObject(rhs), data(NULL), pos(rhs.pos) { |
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33 |
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34 if (rhs.data) { |
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35 UErrorCode status = U_ZERO_ERROR; |
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36 data = new UVector32(status); |
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37 data->assign(*rhs.data, status); |
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38 if (status != U_ZERO_ERROR) { |
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39 delete data; |
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40 data = NULL; |
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41 pos = -1; |
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42 } |
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43 } |
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44 } |
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45 |
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46 UBool FieldPositionIterator::operator==(const FieldPositionIterator &rhs) const { |
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47 if (&rhs == this) { |
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48 return TRUE; |
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49 } |
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50 if (pos != rhs.pos) { |
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51 return FALSE; |
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52 } |
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53 if (!data) { |
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54 return rhs.data == NULL; |
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55 } |
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56 return rhs.data ? data->operator==(*rhs.data) : FALSE; |
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57 } |
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58 |
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59 void FieldPositionIterator::setData(UVector32 *adopt, UErrorCode& status) { |
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60 // Verify that adopt has valid data, and update status if it doesn't. |
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61 if (U_SUCCESS(status)) { |
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62 if (adopt) { |
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63 if ((adopt->size() % 3) != 0) { |
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64 status = U_ILLEGAL_ARGUMENT_ERROR; |
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65 } else { |
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66 for (int i = 1; i < adopt->size(); i += 3) { |
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67 if (adopt->elementAti(i) >= adopt->elementAti(i+1)) { |
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68 status = U_ILLEGAL_ARGUMENT_ERROR; |
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69 break; |
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70 } |
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71 } |
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72 } |
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73 } |
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74 } |
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75 |
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76 // We own the data, even if status is in error, so we need to delete it now |
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77 // if we're not keeping track of it. |
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78 if (!U_SUCCESS(status)) { |
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79 delete adopt; |
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80 return; |
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81 } |
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82 |
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83 delete data; |
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84 data = adopt; |
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85 pos = adopt == NULL ? -1 : 0; |
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86 } |
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87 |
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88 UBool FieldPositionIterator::next(FieldPosition& fp) { |
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89 if (pos == -1) { |
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90 return FALSE; |
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91 } |
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92 |
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93 fp.setField(data->elementAti(pos++)); |
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94 fp.setBeginIndex(data->elementAti(pos++)); |
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95 fp.setEndIndex(data->elementAti(pos++)); |
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96 |
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97 if (pos == data->size()) { |
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98 pos = -1; |
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99 } |
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100 |
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101 return TRUE; |
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102 } |
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103 |
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104 U_NAMESPACE_END |
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105 |
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106 #endif /* #if !UCONFIG_NO_FORMATTING */ |
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107 |