Mercurial > pub > Impl
annotate Lib/IMPL/Object/List.pm @ 143:d9dd3500ead3
Singleton behavior changed
| author | wizard |
|---|---|
| date | Thu, 08 Jul 2010 23:46:49 +0400 |
| parents | 76b878ad6596 |
| children | e36ffd8c29db |
| rev | line source |
|---|---|
| 49 | 1 package IMPL::Object::List; |
| 2 use strict; | |
| 3 use warnings; | |
| 4 | |
| 5 use base qw(IMPL::Object::ArrayObject); | |
| 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 .. $#_]; | |
| 23 } | |
| 24 | |
| 25 sub RemoveLast { | |
| 26 return pop @{$_[0]}; | |
| 27 } | |
| 28 | |
| 29 sub AddFirst { | |
| 30 return unshift @{$_[0]}, $_[1]; | |
| 31 } | |
| 32 | |
| 33 sub RemoveFirst { | |
| 34 return shift @{$_[0]}; | |
| 35 } | |
| 36 | |
| 37 sub Count { | |
| 38 return scalar @{$_[0]}; | |
| 39 } | |
| 40 | |
| 41 sub InsertAt { | |
| 42 my ($this,$index,@val) = @_; | |
| 43 | |
| 44 splice @$this,($index||0),0,@val; | |
| 45 } | |
| 46 | |
| 47 sub RemoveAt { | |
| 48 my ($this,$index,$count) = @_; | |
| 49 | |
| 50 $count ||= 1; | |
| 51 | |
| 52 return splice @$this,$index,$count; | |
| 53 } | |
| 54 | |
| 55 sub RemoveItem { | |
| 56 my ($this,$item) = @_; | |
| 57 | |
| 58 @$this = grep $_ != $item, @$this; | |
| 59 | |
| 60 return $this; | |
| 61 } | |
| 62 | |
| 63 sub RemoveItemStr { | |
| 64 my ($this,$item) = @_; | |
| 65 | |
| 66 @$this = grep $_ ne $item, @$this; | |
| 67 | |
| 68 return $this; | |
| 69 } | |
| 70 | |
|
63
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71 sub save { |
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72 my ($this,$ctx) = @_; |
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73 |
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74 $ctx->AddVar( item => $_ ) foreach @$this; |
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75 } |
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76 |
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77 sub restore { |
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78 my ($class,$data,$surrogate) = @_; |
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79 |
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80 my $i = 0; |
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81 |
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82 if ($surrogate) { |
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83 @$surrogate = grep { ($i++)%2 } @$data; |
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84 } else { |
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85 $surrogate = $class->new([grep { ($i++)%2 } @$data]); |
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86 } |
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87 |
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88 return $surrogate; |
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89 } |
| 49 | 90 |
| 91 1; |