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 $opt = '';
        $opt = '--' if $patt =~ m{^-};

        if ( $patt =~ m{'} ) {
                $patt = qq|"$patt"|;
        } else {
                $patt = qq|'$patt'|;
        }

        my $cmd = qq|grep -rn $opt $patt | . $self->path;
        warn "# $cmd";
        $self->_grep_command( $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 = shift;
        my $callback = {@_};

        warn "# callbacks: ",$self->dump( $callback ) if $callback;

        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 ) if $self->debug;

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

        $self->add_head(qq|
                <link rel="search" type="application/opensearchdescription+xml" title="Frey::Shell::Grep" href="/Frey::OpenSearch/grep_as_markup">
        |);

        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	840	my $opt = '';
42			$opt = '--' if $patt =~ m{^-};
43	dpavlin	638
44	dpavlin	840	if ( $patt =~ m{'} ) {
45			$patt = qq\|"$patt"\|;
46			} else {
47			$patt = qq\|'$patt'\|;
48			}
49
50			my $cmd = qq\|grep -rn $opt $patt \| . $self->path;
51			warn "# $cmd";
52	dpavlin	716	$self->_grep_command( $cmd );
53	dpavlin	638
54	dpavlin	716	my @results;
55	dpavlin	638
56	dpavlin	716	open(my $fh, '-\|', $cmd) \|\| die "can't open pipe to $cmd $!";
57			while(<$fh>) {
58			my ( $path, $line, $text ) = split(/:/,$_,3);
59			if ( ! $line ) {
60			push @results, { text => $path };
61			} else {
62			push @results, { path => $path, line => $line, text => $text };
63			}
64			}
65
66			if ( $INPUT_LINE_NUMBER > 0 ) { # closing pipe grep output results in error
67			close($fh) \|\| die "can't close pipe to $cmd $!";
68			}
69
70			# warn "# ", $self->dump( @results );
71
72			return \@results;
73			});
74
75			sub as_markup {
76	dpavlin	732	my $self = shift;
77			my $callback = {@_};
78	dpavlin	716
79	dpavlin	842	warn "# callbacks: ",$self->dump( $callback ) if $callback;
80
81	dpavlin	716	my $patt = $self->pattern;
82			$self->title( $patt );
83
84	dpavlin	638	$self->add_css(qq\|
85	dpavlin	716	dt.p {
86			color: #888;
87			white-space: pre-wrap;
88			font-family: monospace;
89			margin-top: 1em;
90			}
91	dpavlin	638	dd a {
92			float: left;
93			width: 3em;
94			}
95			dd code b {
96			background-color: #ff8;
97			}
98			\|);
99
100	dpavlin	666	my $html;
101	dpavlin	716	my $last_path = '';
102	dpavlin	666
103	dpavlin	716	foreach my $result ( @{ $self->results_as_data } ) {
104
105	dpavlin	766	warn $self->dump( $result ) if $self->debug;
106	dpavlin	716
107			my $text = $result->{text} \|\| die "no text";
108
109			if ( my $path = $result->{path} ) {
110			my $line = $result->{line} \|\| die "no line";
111			if ( $path ne $last_path ) {
112			$html .= qq\|<dt class="p">$path</dt>\|;
113			}
114	dpavlin	732	if ( my $dd = $callback->{dd} ) {
115			$html .= $dd->( $patt, $path, $line, $text );
116			} else {
117	dpavlin	842	$text = $self->html_escape( $text );
118	dpavlin	732	$text =~ s{(\Q$patt\E)}{<b>$1</b>};
119			$html .= qq\|<dd><a target="editor" href="/editor+$path+$line">$line</a> <code>$text</code>\|;
120			}
121	dpavlin	716	$last_path = $path;
122			} else {
123	dpavlin	842	$text = $self->html_escape( $text );
124	dpavlin	716	$html .= qq\|<dt>$text</dt>\|;
125	dpavlin	638	}
126			}
127	dpavlin	666
128	dpavlin	716	if ( $html ) {
129			my $command = $self->_grep_command;
130	dpavlin	666	$html = qq\|
131			<h1>$patt</h1>
132	dpavlin	716	<pre>$command</pre>
133	dpavlin	666	<dl>$html</dl>
134			\|;
135			} else {
136			$html = $self->error( "No results for $patt\n" );
137	dpavlin	661	}
138	dpavlin	638
139	dpavlin	792	$self->add_head(qq\|
140			<link rel="search" type="application/opensearchdescription+xml" title="Frey::Shell::Grep" href="/Frey::OpenSearch/grep_as_markup">
141			\|);
142
143	dpavlin	638	return $html;
144			}
145
146			1;