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407
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1 package IMPL::Object::List;
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2 use strict;
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3 use warnings;
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4
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5 use Carp qw(carp);
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6 use parent qw(IMPL::Object::ArrayObject);
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7 require IMPL::Exception;
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8
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9 sub as_list {
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10 return $_[0];
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11 }
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12
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13 sub CTOR {
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14 my ($this,$data) = @_;
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15
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16 if ($data) {
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17 die new IMPL::InvalidArgumentException("The parameter should be a reference to an array") unless UNIVERSAL::isa($data,"ARRAY");
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18 @$this = @$data;
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19 }
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20 }
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21
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22 sub Append {
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23 carp "Appen method is obsolete use Push instead";
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24 push @{$_[0]}, @_[1 .. $#_];
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25 }
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26
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27 sub Push {
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28 push @{$_[0]}, @_[1 .. $#_];
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29 }
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30
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31 sub AddLast {
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32 carp "Appen method is obsolete use Push instead";
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33 push @{$_[0]}, @_[1 .. $#_];
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34 }
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35
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36 sub RemoveLast {
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37 return pop @{$_[0]};
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38 }
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39
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40 sub AddFirst {
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41 return unshift @{$_[0]}, $_[1];
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42 }
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43
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44 sub RemoveFirst {
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45 return shift @{$_[0]};
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46 }
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47
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48 sub Count {
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49 return scalar @{$_[0]};
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50 }
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51
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52 sub Item {
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53 return $_[0]->[$_[1]];
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54 }
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55
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56 sub InsertAt {
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57 my ($this,$index,@val) = @_;
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58
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59 splice @$this,($index||0),0,@val;
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60 }
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61
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62 sub RemoveAt {
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63 my ($this,$index,$count) = @_;
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64
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65 $count ||= 1;
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66
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67 return splice @$this,$index,$count;
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68 }
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69
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70 sub RemoveItem {
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71 my ($this,$item) = @_;
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72
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73 @$this = grep $_ != $item, @$this;
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74
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75 return $this;
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76 }
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77
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78 sub RemoveItemStr {
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79 my ($this,$item) = @_;
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80
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81 @$this = grep $_ ne $item, @$this;
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82
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83 return $this;
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84 }
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85
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86 sub FindItem {
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87 my ($this,$item) = @_;
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88
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89 for (my $i = 0; $i < @$this; $i++ ) {
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90 return $i if $this->[$i] == $item
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91 }
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92 return undef;
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93 }
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94
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95 sub FindItemStr {
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96 my ($this,$item) = @_;
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97
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98 for (my $i = 0; $i < @$this; $i++ ) {
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99 return $i if $this->[$i] eq $item
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100 }
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101 return undef;
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102 }
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103
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104 sub save {
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105 my ($this,$ctx) = @_;
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106
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107 $ctx->AddVar( item => $_ ) foreach @$this;
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108 }
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109
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110 sub restore {
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111 my ($class,$data,$surrogate) = @_;
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112
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113 my $i = 0;
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114
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115 if ($surrogate) {
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116 @$surrogate = grep { ($i++)%2 } @$data;
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117 } else {
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118 $surrogate = $class->new([grep { ($i++)%2 } @$data]);
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119 }
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120
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121 return $surrogate;
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122 }
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123
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124 1;
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