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	dpavlin	638	package Frey::Shell::Grep;
2			use Moose;
3
4			extends 'Frey';
5			with 'Frey::Web';
6
7	dpavlin	661	use English;
8
9	dpavlin	638	has pattern => (
10	dpavlin	670	documentation => 'grep pattern',
11	dpavlin	638	is => 'rw',
12			isa => 'Str',
13			required => 1,
14			default => 'FIXME',
15			);
16
17	dpavlin	716	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	dpavlin	638	my ($self) = @_;
39
40	dpavlin	666	my $patt = $self->pattern;
41	dpavlin	638
42	dpavlin	716	my $cmd = 'grep -rn ' . $patt . ' ' . $self->path;
43			$self->_grep_command( $cmd );
44	dpavlin	638	warn "# $cmd";
45
46	dpavlin	716	my @results;
47	dpavlin	638
48	dpavlin	716	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	dpavlin	638	$self->add_css(qq\|
74	dpavlin	716	dt.p {
75			color: #888;
76			white-space: pre-wrap;
77			font-family: monospace;
78			margin-top: 1em;
79			}
80	dpavlin	638	dd a {
81			float: left;
82			width: 3em;
83			}
84			dd code b {
85			background-color: #ff8;
86			}
87			\|);
88
89	dpavlin	666	my $html;
90	dpavlin	716	my $last_path = '';
91	dpavlin	666
92	dpavlin	716	foreach my $result ( @{ $self->results_as_data } ) {
93
94			warn $self->dump( $result );
95
96			my $text = $result->{text} \|\| die "no text";
97
98	dpavlin	670	$text = $self->html_escape( $text );
99	dpavlin	716	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	dpavlin	638	}
110			}
111	dpavlin	666
112	dpavlin	716	if ( $html ) {
113			my $command = $self->_grep_command;
114	dpavlin	666	$html = qq\|
115			<h1>$patt</h1>
116	dpavlin	716	<pre>$command</pre>
117	dpavlin	666	<dl>$html</dl>
118			\|;
119			} else {
120			$html = $self->error( "No results for $patt\n" );
121	dpavlin	661	}
122	dpavlin	638
123			return $html;
124			}
125
126			1;