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 | |
8b9641b8 |
8 | use Moose::Role; |
9 | |
10 | with 'Moose::Meta::Method::Accessor::Native::Reader' => { |
11 | -excludes => [ |
12 | qw( _generate_method |
13 | _minimum_arguments |
14 | _maximum_arguments |
15 | _inline_process_arguments |
16 | _inline_check_arguments |
17 | _return_value |
18 | ) |
19 | ] |
20 | }, |
21 | 'Moose::Meta::Method::Accessor::Native::Writer' => { |
22 | -excludes => [ |
23 | qw( |
24 | _generate_method |
25 | _minimum_arguments |
26 | _maximum_arguments |
27 | _inline_process_arguments |
28 | _inline_check_arguments |
a486d5ad |
29 | _inline_optimized_set_new_value |
8b9641b8 |
30 | _return_value |
31 | ) |
32 | ] |
33 | }; |
e7724627 |
34 | |
35 | sub _generate_method { |
36 | my $self = shift; |
37 | |
53a4677c |
38 | my $inv = '$self'; |
1e2c801e |
39 | my $slot_access = $self->_get_value($inv); |
e7724627 |
40 | |
53a4677c |
41 | return ( |
42 | 'sub {', |
53a4677c |
43 | 'my ' . $inv . ' = shift;', |
44 | $self->_inline_curried_arguments, |
45 | 'if (@_ == 1 || @_ == 2) {', |
1e2c801e |
46 | $self->_inline_reader_core($inv, $slot_access), |
53a4677c |
47 | '}', |
48 | 'elsif (@_ == 3) {', |
1e2c801e |
49 | $self->_inline_writer_core($inv, $slot_access), |
53a4677c |
50 | '}', |
51 | 'else {', |
52 | $self->_inline_check_argument_count, |
53 | '}', |
54 | '}', |
55 | ); |
e7724627 |
56 | } |
57 | |
1e2c801e |
58 | sub _minimum_arguments { 1 } |
59 | sub _maximum_arguments { 3 } |
e7724627 |
60 | |
61 | sub _inline_process_arguments { |
53a4677c |
62 | my $self = shift; |
63 | my ($inv, $slot_access) = @_; |
e7724627 |
64 | |
53a4677c |
65 | return ( |
66 | 'my $offset = shift;', |
67 | 'my $length = @_ ? shift : length ' . $slot_access . ';', |
68 | 'my $replacement = shift;', |
69 | ); |
e7724627 |
70 | } |
71 | |
72 | sub _inline_check_arguments { |
53a4677c |
73 | my $self = shift; |
74 | my ($for_writer) = @_; |
75 | |
76 | my @code = ( |
77 | 'if ($offset !~ /^-?\d+$/) {', |
78 | $self->_inline_throw_error( |
79 | '"The first argument passed to substr must be an integer"' |
80 | ) . ';', |
81 | '}', |
82 | 'if ($length !~ /^-?\d+$/) {', |
83 | $self->_inline_throw_error( |
84 | '"The second argument passed to substr must be an integer"' |
85 | ) . ';', |
86 | '}', |
87 | ); |
e7724627 |
88 | |
89 | if ($for_writer) { |
53a4677c |
90 | push @code, ( |
91 | 'if (!Moose::Util::_STRINGLIKE0($replacement)) {', |
92 | $self->_inline_throw_error( |
93 | '"The third argument passed to substr must be a string"' |
94 | ) . ';', |
95 | '}', |
96 | ); |
e7724627 |
97 | } |
98 | |
53a4677c |
99 | return @code; |
e7724627 |
100 | } |
101 | |
102 | sub _potential_value { |
53a4677c |
103 | my $self = shift; |
104 | my ($slot_access) = @_; |
e7724627 |
105 | |
53a4677c |
106 | return '(do { ' |
107 | . 'my $potential = ' . $slot_access . '; ' |
108 | . '@return = substr $potential, $offset, $length, $replacement; ' |
109 | . '$potential; ' |
110 | . '})'; |
e7724627 |
111 | } |
112 | |
a486d5ad |
113 | sub _inline_optimized_set_new_value { |
53a4677c |
114 | my $self = shift; |
115 | my ($inv, $new, $slot_access) = @_; |
e7724627 |
116 | |
53a4677c |
117 | return '@return = substr ' . $slot_access . ', ' |
a486d5ad |
118 | . '$offset, $length, $replacement;'; |
e7724627 |
119 | } |
120 | |
121 | sub _return_value { |
53a4677c |
122 | my $self = shift; |
123 | my ($slot_access, $for_writer) = @_; |
e7724627 |
124 | |
7f5ec80d |
125 | return '$return[0]' if $for_writer; |
e7724627 |
126 | |
53a4677c |
127 | return 'substr ' . $slot_access . ', $offset, $length'; |
e7724627 |
128 | } |
129 | |
8b9641b8 |
130 | no Moose::Role; |
131 | |
e7724627 |
132 | 1; |