From Code to Community: Sponsoring The Perl and Raku Conference 2025 Learn more

PERLANCAR / Parse-VarName-0.03 / lib / Parse / VarName.pm 

            

              
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
—
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148

              
package Parse::VarName;
our $DATE = '2016-06-14'; # DATE
our $VERSION = '0.03'; # VERSION
use 5.010001;
use strict;
use warnings;
use Exporter qw(import);
our @EXPORT_OK = qw(split_varname_words);
our %SPEC;
$SPEC{':package'} = {
    v => 1.1,
    summary => 'Routines to parse variable name',
};
# cannot be put inside sub, warning "Variable %s will not stay shared"
my @res;
$SPEC{split_varname_words} = {
    v => 1.1,
    summary => 'Split words found in variable name',
    description => <<'_',
Try to split words found in a variable name, e.g. mTime -> [m, Time], foo1Bar ->
[foo, 1, Bar], Foo::barBaz::Qux2 -> [Foo, bar, Baz, Qux, 2].
_
    args => {
        varname => {
            schema => 'str*',
            req => 1,
            pos => 1,
        },
        include_sep => {
            summary => 'Whether to include non-alphanum separator in result',
            description => <<'_',
For example, under include_sep=true, Foo::barBaz::Qux2 -> [Foo, ::, bar, Baz,
::, Qux, 2].
_
            schema => [bool => {default=>0}],
        },
    },
    result_naked => 1,
};
sub split_varname_words {
    my %args = @_;
    my $v = $args{varname} or return [400, "Please specify varname"];
    #no warnings;
    @res = ();
    $v =~ m!\A(?:
                (
                    [A-Z][A-Z]+ |
                    [A-Z][a-z]+ |
                    [a-z]+ |
                    [0-9]+ |
                    [^A-Za-z0-9]+
                )
                (?{ push @res, $1 })
            )+\z!sxg
                or return [];
    unless ($args{include_sep}) {
        @res = grep {/[A-Za-z0-9]/} @res;
    }
    \@res;
}
1;
# ABSTRACT: Routines to parse variable name
__END__
=pod
=encoding UTF-8
=head1 NAME
Parse::VarName - Routines to parse variable name
=head1 VERSION
This document describes version 0.03 of Parse::VarName (from Perl distribution Parse-VarName), released on 2016-06-14.
=head1 FUNCTIONS
=head2 split_varname_words(%args) -> any
Split words found in variable name.
Try to split words found in a variable name, e.g. mTime -> [m, Time], foo1Bar ->
[foo, 1, Bar], Foo::barBaz::Qux2 -> [Foo, bar, Baz, Qux, 2].
This function is not exported by default, but exportable.
Arguments ('*' denotes required arguments):
=over 4
=item * B<include_sep> => I<bool> (default: 0)
Whether to include non-alphanum separator in result.
For example, under include_sep=true, Foo::barBaz::Qux2 -> [Foo, ::, bar, Baz,
::, Qux, 2].
=item * B<varname>* => I<str>
=back
Return value:  (any)
=head1 HOMEPAGE
Please visit the project's homepage at L<https://metacpan.org/release/Parse-VarName>.
=head1 SOURCE
Source repository is at L<https://github.com/perlancar/perl-Parse-VarName>.
=head1 BUGS
Please report any bugs or feature requests on the bugtracker website L<https://rt.cpan.org/Public/Dist/Display.html?Name=Parse-VarName>
When submitting a bug or request, please include a test-file or a
patch to an existing test-file that illustrates the bug or desired
feature.
=head1 AUTHOR
perlancar <perlancar@cpan.org>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2016 by perlancar@cpan.org.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut