Mercurial > pub > Impl
annotate Lib/IMPL/Object/List.pm @ 167:1f7a6d762394
SQL schema in progress
| author | sourcer |
|---|---|
| date | Thu, 12 May 2011 08:57:19 +0400 |
| parents | 4267a2ac3d46 |
| children | 6148f89bb7bf |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::Object::List; |
| 2 use strict; | |
| 3 use warnings; | |
| 4 | |
| 166 | 5 use parent qw(IMPL::Object::ArrayObject); |
| 49 | 6 use IMPL::Exception; |
| 7 | |
| 8 sub as_list { | |
| 9 return wantarray ? @{$_[0]} : $_[0]; | |
| 10 } | |
| 11 | |
| 12 sub CTOR { | |
| 13 my ($this,$data) = @_; | |
| 14 | |
| 15 if ($data) { | |
| 16 die new IMPL::InvalidArgumentException("The parameter should be a reference to an array") unless UNIVERSAL::isa($data,"ARRAY"); | |
| 17 @$this = @$data; | |
| 18 } | |
| 19 } | |
| 20 | |
| 21 sub Append { | |
| 22 push @{$_[0]}, @_[1 .. $#_]; | |
| 23 } | |
| 24 | |
| 163 | 25 sub AddLast { |
| 26 push @{$_[0]}, @_[1 .. $#_]; | |
| 27 } | |
| 28 | |
| 49 | 29 sub RemoveLast { |
| 30 return pop @{$_[0]}; | |
| 31 } | |
| 32 | |
| 33 sub AddFirst { | |
| 34 return unshift @{$_[0]}, $_[1]; | |
| 35 } | |
| 36 | |
| 37 sub RemoveFirst { | |
| 38 return shift @{$_[0]}; | |
| 39 } | |
| 40 | |
| 41 sub Count { | |
| 42 return scalar @{$_[0]}; | |
| 43 } | |
| 44 | |
| 167 | 45 sub Item { |
| 46 return $_[0]->[$_[1]]; | |
| 47 } | |
| 48 | |
| 49 | 49 sub InsertAt { |
| 50 my ($this,$index,@val) = @_; | |
| 51 | |
| 52 splice @$this,($index||0),0,@val; | |
| 53 } | |
| 54 | |
| 55 sub RemoveAt { | |
| 56 my ($this,$index,$count) = @_; | |
| 57 | |
| 58 $count ||= 1; | |
| 59 | |
| 60 return splice @$this,$index,$count; | |
| 61 } | |
| 62 | |
| 63 sub RemoveItem { | |
| 64 my ($this,$item) = @_; | |
| 65 | |
| 66 @$this = grep $_ != $item, @$this; | |
| 67 | |
| 68 return $this; | |
| 69 } | |
| 70 | |
| 71 sub RemoveItemStr { | |
| 72 my ($this,$item) = @_; | |
| 73 | |
| 74 @$this = grep $_ ne $item, @$this; | |
| 75 | |
| 76 return $this; | |
| 77 } | |
| 78 | |
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79 sub FindItem { |
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80 my ($this,$item) = @_; |
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81 |
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82 for (my $i = 0; $i < @$this; $i++ ) { |
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83 return $i if $this->[$i] == $item |
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84 } |
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85 return undef; |
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86 } |
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87 |
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88 sub FindItemStr { |
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89 my ($this,$item) = @_; |
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90 |
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91 for (my $i = 0; $i < @$this; $i++ ) { |
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92 return $i if $this->[$i] eq $item |
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93 } |
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94 return undef; |
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95 } |
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96 |
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97 sub save { |
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98 my ($this,$ctx) = @_; |
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99 |
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100 $ctx->AddVar( item => $_ ) foreach @$this; |
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101 } |
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102 |
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103 sub restore { |
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104 my ($class,$data,$surrogate) = @_; |
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105 |
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106 my $i = 0; |
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107 |
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108 if ($surrogate) { |
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109 @$surrogate = grep { ($i++)%2 } @$data; |
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110 } else { |
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111 $surrogate = $class->new([grep { ($i++)%2 } @$data]); |
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112 } |
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113 |
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114 return $surrogate; |
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115 } |
| 49 | 116 |
| 117 1; |