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 | |
bb8ef151 |
8 | our $VERSION = '1.9900'; |
e7724627 |
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 |
a486d5ad |
33 | _inline_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 {', |
53a4677c |
47 | 'my ' . $inv . ' = shift;', |
48 | $self->_inline_curried_arguments, |
49 | 'if (@_ == 1 || @_ == 2) {', |
1e2c801e |
50 | $self->_inline_reader_core($inv, $slot_access), |
53a4677c |
51 | '}', |
52 | 'elsif (@_ == 3) {', |
1e2c801e |
53 | $self->_inline_writer_core($inv, $slot_access), |
53a4677c |
54 | '}', |
55 | 'else {', |
56 | $self->_inline_check_argument_count, |
57 | '}', |
58 | '}', |
59 | ); |
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60 | } |
61 | |
1e2c801e |
62 | sub _minimum_arguments { 1 } |
63 | sub _maximum_arguments { 3 } |
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64 | |
65 | sub _inline_process_arguments { |
53a4677c |
66 | my $self = shift; |
67 | my ($inv, $slot_access) = @_; |
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68 | |
53a4677c |
69 | return ( |
70 | 'my $offset = shift;', |
71 | 'my $length = @_ ? shift : length ' . $slot_access . ';', |
72 | 'my $replacement = shift;', |
73 | ); |
e7724627 |
74 | } |
75 | |
76 | sub _inline_check_arguments { |
53a4677c |
77 | my $self = shift; |
78 | my ($for_writer) = @_; |
79 | |
80 | my @code = ( |
81 | 'if ($offset !~ /^-?\d+$/) {', |
82 | $self->_inline_throw_error( |
83 | '"The first argument passed to substr must be an integer"' |
84 | ) . ';', |
85 | '}', |
86 | 'if ($length !~ /^-?\d+$/) {', |
87 | $self->_inline_throw_error( |
88 | '"The second argument passed to substr must be an integer"' |
89 | ) . ';', |
90 | '}', |
91 | ); |
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92 | |
93 | if ($for_writer) { |
53a4677c |
94 | push @code, ( |
95 | 'if (!Moose::Util::_STRINGLIKE0($replacement)) {', |
96 | $self->_inline_throw_error( |
97 | '"The third argument passed to substr must be a string"' |
98 | ) . ';', |
99 | '}', |
100 | ); |
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101 | } |
102 | |
53a4677c |
103 | return @code; |
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104 | } |
105 | |
106 | sub _potential_value { |
53a4677c |
107 | my $self = shift; |
108 | my ($slot_access) = @_; |
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109 | |
53a4677c |
110 | return '(do { ' |
111 | . 'my $potential = ' . $slot_access . '; ' |
112 | . '@return = substr $potential, $offset, $length, $replacement; ' |
113 | . '$potential; ' |
114 | . '})'; |
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115 | } |
116 | |
a486d5ad |
117 | sub _inline_optimized_set_new_value { |
53a4677c |
118 | my $self = shift; |
119 | my ($inv, $new, $slot_access) = @_; |
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120 | |
53a4677c |
121 | return '@return = substr ' . $slot_access . ', ' |
a486d5ad |
122 | . '$offset, $length, $replacement;'; |
e7724627 |
123 | } |
124 | |
125 | sub _return_value { |
53a4677c |
126 | my $self = shift; |
127 | my ($slot_access, $for_writer) = @_; |
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128 | |
7f5ec80d |
129 | return '$return[0]' if $for_writer; |
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130 | |
53a4677c |
131 | return 'substr ' . $slot_access . ', $offset, $length'; |
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132 | } |
133 | |
8b9641b8 |
134 | no Moose::Role; |
135 | |
e7724627 |
136 | 1; |