Commit | Line | Data |
e7724627 |
1 | package Moose::Meta::Method::Accessor::Native::String::substr; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
88e88a7b |
6 | use Moose::Util (); |
7 | |
245478d5 |
8 | our $VERSION = '1.19'; |
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9 | $VERSION = eval $VERSION; |
10 | our $AUTHORITY = 'cpan:STEVAN'; |
11 | |
8b9641b8 |
12 | use Moose::Role; |
13 | |
14 | with 'Moose::Meta::Method::Accessor::Native::Reader' => { |
15 | -excludes => [ |
16 | qw( _generate_method |
17 | _minimum_arguments |
18 | _maximum_arguments |
19 | _inline_process_arguments |
20 | _inline_check_arguments |
21 | _return_value |
22 | ) |
23 | ] |
24 | }, |
25 | 'Moose::Meta::Method::Accessor::Native::Writer' => { |
26 | -excludes => [ |
27 | qw( |
28 | _generate_method |
29 | _minimum_arguments |
30 | _maximum_arguments |
31 | _inline_process_arguments |
32 | _inline_check_arguments |
53a4677c |
33 | _optimized_set_new_value |
8b9641b8 |
34 | _return_value |
35 | ) |
36 | ] |
37 | }; |
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38 | |
39 | sub _generate_method { |
40 | my $self = shift; |
41 | |
53a4677c |
42 | my $inv = '$self'; |
1e2c801e |
43 | my $slot_access = $self->_get_value($inv); |
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44 | |
53a4677c |
45 | return ( |
46 | 'sub {', |
47 | $self->_inline_pre_body(@_), |
48 | 'my ' . $inv . ' = shift;', |
49 | $self->_inline_curried_arguments, |
50 | 'if (@_ == 1 || @_ == 2) {', |
1e2c801e |
51 | $self->_inline_reader_core($inv, $slot_access), |
53a4677c |
52 | '}', |
53 | 'elsif (@_ == 3) {', |
1e2c801e |
54 | $self->_inline_writer_core($inv, $slot_access), |
53a4677c |
55 | $self->_inline_post_body(@_), |
56 | '}', |
57 | 'else {', |
58 | $self->_inline_check_argument_count, |
59 | '}', |
60 | '}', |
61 | ); |
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62 | } |
63 | |
1e2c801e |
64 | sub _minimum_arguments { 1 } |
65 | sub _maximum_arguments { 3 } |
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66 | |
67 | sub _inline_process_arguments { |
53a4677c |
68 | my $self = shift; |
69 | my ($inv, $slot_access) = @_; |
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70 | |
53a4677c |
71 | return ( |
72 | 'my $offset = shift;', |
73 | 'my $length = @_ ? shift : length ' . $slot_access . ';', |
74 | 'my $replacement = shift;', |
75 | ); |
e7724627 |
76 | } |
77 | |
78 | sub _inline_check_arguments { |
53a4677c |
79 | my $self = shift; |
80 | my ($for_writer) = @_; |
81 | |
82 | my @code = ( |
83 | 'if ($offset !~ /^-?\d+$/) {', |
84 | $self->_inline_throw_error( |
85 | '"The first argument passed to substr must be an integer"' |
86 | ) . ';', |
87 | '}', |
88 | 'if ($length !~ /^-?\d+$/) {', |
89 | $self->_inline_throw_error( |
90 | '"The second argument passed to substr must be an integer"' |
91 | ) . ';', |
92 | '}', |
93 | ); |
e7724627 |
94 | |
95 | if ($for_writer) { |
53a4677c |
96 | push @code, ( |
97 | 'if (!Moose::Util::_STRINGLIKE0($replacement)) {', |
98 | $self->_inline_throw_error( |
99 | '"The third argument passed to substr must be a string"' |
100 | ) . ';', |
101 | '}', |
102 | ); |
e7724627 |
103 | } |
104 | |
53a4677c |
105 | return @code; |
e7724627 |
106 | } |
107 | |
108 | sub _potential_value { |
53a4677c |
109 | my $self = shift; |
110 | my ($slot_access) = @_; |
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111 | |
53a4677c |
112 | return '(do { ' |
113 | . 'my $potential = ' . $slot_access . '; ' |
114 | . '@return = substr $potential, $offset, $length, $replacement; ' |
115 | . '$potential; ' |
116 | . '})'; |
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117 | } |
118 | |
53a4677c |
119 | sub _optimized_set_new_value { |
120 | my $self = shift; |
121 | my ($inv, $new, $slot_access) = @_; |
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122 | |
53a4677c |
123 | return '@return = substr ' . $slot_access . ', ' |
124 | . '$offset, $length, $replacement'; |
e7724627 |
125 | } |
126 | |
127 | sub _return_value { |
53a4677c |
128 | my $self = shift; |
129 | my ($slot_access, $for_writer) = @_; |
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130 | |
7f5ec80d |
131 | return '$return[0]' if $for_writer; |
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132 | |
53a4677c |
133 | return 'substr ' . $slot_access . ', $offset, $length'; |
e7724627 |
134 | } |
135 | |
8b9641b8 |
136 | no Moose::Role; |
137 | |
e7724627 |
138 | 1; |