Frey/Shell/Grep.pm

package Frey::Shell::Grep;
use Moose;

extends 'Frey';
with 'Frey::Web';

use English;

has pattern => (
        documentation => 'grep pattern',
        is => 'rw',
        isa => 'Str',
        required => 1,
        default => 'FIXME',
);

has path => (
        documentation => 'path(s) to grep',
        is => 'rw',
        isa => 'Str',
        required => 1,
        default => 'lib/ t/ etc/',
);

has _grep_command => (
        documentation => 'executed grep command',
        is => 'rw',
        isa => 'Str',
);

has results_as_data => (
        is => 'rw',
        isa => 'ArrayRef[HashRef]',
        lazy => 1,
        default =>
sub {

        my ($self) = @_;

        my $patt = $self->pattern;

        my $cmd = 'grep -rn ' . $patt . ' ' . $self->path;
        $self->_grep_command( $cmd );
        warn "# $cmd";

        my @results;

        open(my $fh, '-|', $cmd) || die "can't open pipe to $cmd $!";
        while(<$fh>) {
                my ( $path, $line, $text ) = split(/:/,$_,3);
                if ( ! $line ) {
                        push @results, { text => $path };
                } else {
                        push @results, { path => $path, line => $line, text => $text };
                }
        }

        if ( $INPUT_LINE_NUMBER > 0 ) { # closing pipe grep output results in error
                close($fh) || die "can't close pipe to $cmd $!";
        }

#       warn "# ", $self->dump( @results );

        return \@results;
});

sub as_markup {
        my ($self) = @_;

        my $patt = $self->pattern;
        $self->title( $patt );

        $self->add_css(qq|
                dt.p {
                        color: #888;
                        white-space: pre-wrap;
                        font-family: monospace;
                        margin-top: 1em;
                }
                dd a {
                        float: left;
                        width: 3em;
                }
                dd code b {
                        background-color: #ff8;
                }
        |);

        my $html;
        my $last_path = '';

        foreach my $result ( @{ $self->results_as_data } ) {

                warn $self->dump( $result );

                my $text = $result->{text} || die "no text";

                $text = $self->html_escape( $text );
                if ( my $path = $result->{path} ) {
                        my $line = $result->{line} || die "no line";
                        if ( $path ne $last_path ) {
                                $html .= qq|<dt class="p">$path</dt>|;
                        }
                        $text =~ s{(\Q$patt\E)}{<b>$1</b>};
                        $html .= qq|<dd><a target="editor" href="/editor+$path+$line">$line</a> <code>$text</code>|;
                        $last_path = $path;
                } else {
                        $html .= qq|<dt>$text</dt>|;
                }
        }

        if ( $html ) {
                my $command = $self->_grep_command;
                $html = qq|
                        <h1>$patt</h1>
                        <pre>$command</pre>
                        <dl>$html</dl>
                |;
        } else {
                $html = $self->error( "No results for $patt\n" );
        }

        return $html;
}

1;
1	package Frey::Shell::Grep;
2	use Moose;
3
4	extends 'Frey';
5	with 'Frey::Web';
6
7	use English;
8
9	has pattern => (
10	documentation => 'grep pattern',
11	is => 'rw',
12	isa => 'Str',
13	required => 1,
14	default => 'FIXME',
15	);
16
17	has path => (
18	documentation => 'path(s) to grep',
19	is => 'rw',
20	isa => 'Str',
21	required => 1,
22	default => 'lib/ t/ etc/',
23	);
24
25	has _grep_command => (
26	documentation => 'executed grep command',
27	is => 'rw',
28	isa => 'Str',
29	);
30
31	has results_as_data => (
32	is => 'rw',
33	isa => 'ArrayRef[HashRef]',
34	lazy => 1,
35	default =>
36	sub {
37
38	my ($self) = @_;
39
40	my $patt = $self->pattern;
41
42	my $cmd = 'grep -rn ' . $patt . ' ' . $self->path;
43	$self->_grep_command( $cmd );
44	warn "# $cmd";
45
46	my @results;
47
48	open(my $fh, '-\|', $cmd) \|\| die "can't open pipe to $cmd $!";
49	while(<$fh>) {
50	my ( $path, $line, $text ) = split(/:/,$_,3);
51	if ( ! $line ) {
52	push @results, { text => $path };
53	} else {
54	push @results, { path => $path, line => $line, text => $text };
55	}
56	}
57
58	if ( $INPUT_LINE_NUMBER > 0 ) { # closing pipe grep output results in error
59	close($fh) \|\| die "can't close pipe to $cmd $!";
60	}
61
62	# warn "# ", $self->dump( @results );
63
64	return \@results;
65	});
66
67	sub as_markup {
68	my ($self) = @_;
69
70	my $patt = $self->pattern;
71	$self->title( $patt );
72
73	$self->add_css(qq\|
74	dt.p {
75	color: #888;
76	white-space: pre-wrap;
77	font-family: monospace;
78	margin-top: 1em;
79	}
80	dd a {
81	float: left;
82	width: 3em;
83	}
84	dd code b {
85	background-color: #ff8;
86	}
87	\|);
88
89	my $html;
90	my $last_path = '';
91
92	foreach my $result ( @{ $self->results_as_data } ) {
93
94	warn $self->dump( $result );
95
96	my $text = $result->{text} \|\| die "no text";
97
98	$text = $self->html_escape( $text );
99	if ( my $path = $result->{path} ) {
100	my $line = $result->{line} \|\| die "no line";
101	if ( $path ne $last_path ) {
102	$html .= qq\|<dt class="p">$path</dt>\|;
103	}
104	$text =~ s{(\Q$patt\E)}{<b>$1</b>};
105	$html .= qq\|<dd><a target="editor" href="/editor+$path+$line">$line</a> <code>$text</code>\|;
106	$last_path = $path;
107	} else {
108	$html .= qq\|<dt>$text</dt>\|;
109	}
110	}
111
112	if ( $html ) {
113	my $command = $self->_grep_command;
114	$html = qq\|
115	<h1>$patt</h1>
116	<pre>$command</pre>
117	<dl>$html</dl>
118	\|;
119	} else {
120	$html = $self->error( "No results for $patt\n" );
121	}
122
123	return $html;
124	}
125
126	1;