perl/Buck.pm

   1 #!/usr/bin/perl -w
   2
   3 package Buck;
   4
   5 use HTML::Parser;
   6 use Data::Dumper;
   7 use DXUtil;
   8
   9 @ISA = qw( HTML::Parser );
  10
  11 use strict;
  12
  13 sub new
  14 {
  15     my $pkg = shift;
  16         my $self = SUPER::new $pkg;
  17         $self->{list} = [];
  18         $self->{state} = 'pre';
  19     $self->{sort} = undef;
  20         $self->{debug} = 0;
  21     $self->{call} = uc shift;
  22         return $self;
  23 }
  24
  25 sub start
  26 {
  27         my ($self, $tag, $attr, $attrseq, $origtext) = @_;
  28         if ($self->{debug}) {
  29                 print "$self->{state} $tag";
  30         if ($attr) {
  31                         my $dd = new Data::Dumper([$attr], [qw(attr)]);
  32                         $dd->Terse(1);
  33                         $dd->Indent(0);
  34                         $dd->Quotekeys(0);
  35                         print " ", $dd->Dumpxs;
  36                 }
  37                 print "\n";
  38         }
  39         if ($self->{state} eq 'pre' && $tag eq 'table') {
  40                 $self->state('t1');
  41         } elsif ($self->{state} eq 't1' && $tag eq 'table') {
  42                 $self->state('t2');
  43         } elsif ($self->{state} eq 't2' && $tag =~ /^h/) {
  44                 $self->{addr} = "";
  45                 $self->{laddr} = 0;
  46                 $self->state('addr');
  47         } elsif ($self->{state} eq 'addr') {
  48                 if ($tag eq 'br') {
  49                         $self->{addr} .= ", " if length $self->{addr} > $self->{laddr};
  50                         $self->{laddr} = length $self->{addr};
  51                 } elsif ($tag eq 'p') {
  52             push @{$self->{list}}, $self->{addr} ? "$self->{call}|addr|$self->{addr}" : "$self->{call}|addr|unknown";
  53                         $self->state('semail');
  54                 }
  55         } elsif ($self->{state} eq 'email') {
  56                 if ($tag eq 'a') {
  57                         my $email = $attr->{href};
  58                         if ($email && $email =~ /mailto/i) {
  59                                 $email =~ s/mailto://i;
  60                                 push @{$self->{list}}, "$self->{call}|email|$email";
  61                         }
  62                 } elsif ($tag eq 'br' || $tag eq 'p') {
  63                         $self->state('post');
  64                 }
  65         } elsif ($self->{state} eq 'post' && $tag eq 'form') {
  66                 if (exists $self->{pos} && length $self->{pos}) {
  67                         push @{$self->{list}}, "$self->{call}|location|$self->{pos}";
  68                         $self->state('last');
  69                 }
  70         }
  71 }
  72
  73 sub text
  74 {
  75         my ($self, $text) = @_;
  76         $text =~ s/^[\s\r\n]+//g;
  77         $text =~ s/[\s\r\n]+$//g;
  78     print "$self->{state} text $text\n" if $self->{debug};
  79         if (length $text) {
  80                 if ($self->{state} eq 'addr') {
  81                         $text =~ s/\&nbsp;//gi;
  82                         $self->{addr} .= $text;
  83                 } elsif ($self->{state} eq 'semail' && $text =~ /Email/i ) {
  84                         $self->state('email');
  85                 } elsif ($self->{state} eq 'post') {
  86                         if ($text =~ /Latitude/i) {
  87                                 $self->state('lat');
  88                                 $self->{pos} = "" unless $self->{pos};
  89                         } elsif ($text =~ /Longitude/i) {
  90                                 $self->state('long');
  91                                 $self->{pos} = "" unless $self->{pos};
  92                         } elsif ($text =~ /Grid/i) {
  93                                 $self->state('grid');
  94                                 $self->{pos} = "" unless $self->{pos};
  95                         }
  96                 } elsif ($self->{state} eq 'lat') {
  97                         my ($n, $l) = $text =~ /(\b[\d\.]+\b)\s+([NSns])/;
  98                         $n = -$n if $l eq 'S' || $l eq 's';
  99                         $self->{pos} = slat($n);
 100                         $self->state('post');
 101                 } elsif ($self->{state} eq 'long') {
 102                         my ($n, $l) = $text =~ /(\b[\d\.]+\b)\s+([EWew])/;
 103                         $n = -$n if $l eq 'W' || $l eq 'w';
 104                         $self->{pos} .= "|" . slong($n);
 105                         $self->state('post');
 106                 } elsif ($self->{state} eq 'grid') {
 107                         my ($qra) = $text =~ /(\b\w\w\d\d\w\w\b)/;
 108                         $self->{pos} .= "|" . uc $qra;
 109                         push @{$self->{list}}, "$self->{call}|location|$self->{pos}";
 110                         $self->state('last');
 111                 } elsif (($self->{state} eq 'pre' || $self->{state} =~ /^t/) && $text =~ /not\s+found/) {
 112             push @{$self->{list}}, "$self->{call}|addr|unknown";
 113                         $self->state('last');
 114                 } elsif ($self->{state} eq 'email' && $text =~ /unknown/i) {
 115                         $self->state('post');
 116                 }
 117         }
 118 }
 119
 120 sub state
 121 {
 122         my $self = shift;
 123         $self->{state} = shift if @_;
 124         return $self->{state};
 125 }
 126
 127 sub end
 128 {
 129         my ($self, $tag, $origtext) = @_;
 130     print "$self->{state} /$tag\n" if $self->{debug};
 131 }
 132
 133 sub debug
 134 {
 135         my ($self, $val) = @_;
 136         $self->{debug} = $val;
 137 }
 138
 139 sub answer
 140 {
 141         my $self = shift;
 142         return @{$self->{list}};
 143 }
 144
 145 1;
 146