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package App::yajg::Output; |
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use 5.014000; |
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use strict; |
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use warnings; |
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use utf8; |
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use App::yajg; |
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use Data::Dumper qw(); |
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# Class methods |
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sub new { bless {}, shift } |
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{ |
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my $can_hl = eval { |
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# FIXME: probably will not work if not unix os |
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qx(which highlight 2>/dev/null) and $? == 0 |
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}; |
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sub can_highlight {$can_hl} |
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} |
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sub lang {...} # lang for highlight |
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sub need_change_depth {1} # need to change max depth via Data::Dumper |
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sub highlight { |
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my ($class, $string) = @_; |
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$class = ref $class if ref $class; |
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return $string unless $class->can_highlight and length $string; |
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# IPC::Open2 hangs on big data so we will do like this |
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my $pid = open(my $hl_out, '-|'); |
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if (not defined $pid) { |
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warn "highlight failed: $!\n"; |
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return $string; |
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} |
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my $utf8 = utf8::is_utf8($string); |
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unless ($pid) { |
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open(my $hl_in, '|-', 'highlight', '-O', 'ansi', '-S', $class->lang) |
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or die "$!\n"; |
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utf8::encode($string) if utf8::is_utf8($string); |
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print $hl_in $string; |
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close $hl_in; |
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exit 0; |
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} |
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local $/; |
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my $highlighted = <$hl_out>; |
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close $hl_out; # may be waitpid($pid, 0); ?? |
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return $string unless $? == 0; |
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utf8::decode($highlighted) if $utf8 and not utf8::is_utf8($highlighted); |
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return $highlighted || $string; |
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} |
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# Object methods |
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# Getters/Setters |
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for my $method (qw(data color minimal max_depth)) { |
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1
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1
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4
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no strict 'refs'; |
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1
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242
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*{ __PACKAGE__ . "::$method" } = sub { |
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3934
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my $self = shift; |
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100
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return $self->{ '_' . $method } unless @_; |
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12
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$self->{ '_' . $method } = shift; |
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return $self; |
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}; |
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} |
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70
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sub change_depth { |
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1
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1
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6
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my $self = shift; |
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1
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1
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my $class = ref $self; |
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1
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50
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return $self unless $class->need_change_depth and $self->max_depth; |
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1
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5
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local $SIG{__WARN__} = \&App::yajg::warn_without_line; |
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1
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2
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my $VAR1; |
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eval Data::Dumper->new([$self->data])->Maxdepth($self->max_depth)->Dump(); |
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if ($@ or not defined $VAR1) { |
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warn "max_depth failed: $@"; |
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} |
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else { |
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1
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3
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$self->data($VAR1); |
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} |
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1
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5
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return $self; |
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} |
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86
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sub as_string { |
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... |
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0
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0
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} |
89
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90
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sub print { |
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0
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0
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my $self = shift; |
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0
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my $class = ref $self; |
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0
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my $out = $self->change_depth->as_string; |
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0
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0
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0
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$out = $class->highlight($out) if $self->color and $class->can_highlight; |
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0
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0
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utf8::encode($out) if utf8::is_utf8($out); |
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0
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print $out; |
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0
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return $self; |
98
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} |
99
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100
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1; |