/[bfilter]/trunk/bfilter.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 9 by dpavlin, Wed Sep 8 17:32:20 2004 UTC revision 36 by dpavlin, Sun Oct 10 08:30:36 2004 UTC
# Line 2  Line 2 
2  #  #
3    
4  use strict;  use strict;
 use locale;  
5    
6  # maximum entries  # maximum entries
7  my $max = 0;  my $max = 0;
8  # minimum letters to search by  # minimum letters to search by
9  my $min_len = 3;  my $min_len = shift @ARGV;
10    $min_len = 3 unless defined($min_len);
11  # if more than x elements, warn to increase min_len  # if more than x elements, warn to increase min_len
12  my $increase_at = 500;  my $increase_at = 500;
13    
14    # name of generated index
15    my $headlines = 'headlines';
16    
17  my $debug = 1;  my $debug = 1;
18    
19  sub print_file {  sub print_file {
# Line 23  sub print_file { Line 26  sub print_file {
26  }  }
27    
28  print qq{  print qq{
29  var headlines = Array();  var $headlines = new Object();
30  };  };
31    
32  my @part_arr;  my @part_arr;
# Line 32  my $total = 0; Line 35  my $total = 0;
35    
36  my $max_elements = 0;  my $max_elements = 0;
37    
38    sub escape_js {
39            my $t = shift || return 'undef';
40            # escape single quote and backspace
41            $t =~ s/(['\\])/\\$1/g && print STDERR "ESCAPED '$t'\n";
42            # quote string if not number
43            $t = "'$t'" unless ($t =~ m/^\d+$/);
44            return $t;
45    }
46    
47    my @lines;
48    
49  while(<STDIN>) {  while(<STDIN>) {
50          chomp;          chomp;
51    
# Line 40  while(<STDIN>) { Line 54  while(<STDIN>) {
54                  next;                  next;
55          }          }
56    
57          my ($path,$headline) = split(/\t+/,$_,2);          # remove leading spaces (which are ignored if source list was
58            # sorted using locale)
59            s/^\s+//;
60    
61            push @lines, $_;
62    }
63    
64    foreach (sort { lc($a) cmp lc($b) } @lines) {
65    
66            my @data = split(/\t+/,$_);
67    
68            my $headline = shift @data || die "need at least headline!";
69    
70          if (length($headline) < $min_len) {          if (length($headline) < $min_len) {
71                  print STDERR "SKIP '$_': too short\n";                  print STDERR "SKIP '$_': too short\n";
# Line 51  while(<STDIN>) { Line 76  while(<STDIN>) {
76          # split into min_len part and rest          # split into min_len part and rest
77          my ($part,$rest) = ( substr($headline,0,$min_len), substr($headline,$min_len) );          my ($part,$rest) = ( substr($headline,0,$min_len), substr($headline,$min_len) );
78    
         # escape special chars  
         $part =~ s/(['\\])/\\$1/g && print STDERR "ESCAPED part '$part'\n";  
         $rest =~ s/(['\\])/\\$1/g && print STDERR "ESCAPED rest '$rest'\n";  
         $headline =~ s/(['\\])/\\$1/g;  
   
79          # make part lowercase          # make part lowercase
80          $part = lc($part);          $part = lc($part);
81    
# Line 65  while(<STDIN>) { Line 85  while(<STDIN>) {
85          if ($part ne $last_part) {          if ($part ne $last_part) {
86                  print STDERR $last_part,"\t",$#part_arr+1,"\n" if ($debug && $#part_arr > $increase_at);                  print STDERR $last_part,"\t",$#part_arr+1,"\n" if ($debug && $#part_arr > $increase_at);
87                  $max_elements = $#part_arr if ($#part_arr > $max_elements);                  $max_elements = $#part_arr if ($#part_arr > $max_elements);
88                  print "headlines['$last_part'] = [\n ",join(",\n ",@part_arr),"];\n" if (@part_arr);                  print "${headlines}[",escape_js($last_part),"] = [\n ",join(",\n ",@part_arr),"];\n" if (@part_arr);
89                  $total += $#part_arr;                  $total += $#part_arr;
90                  @part_arr = ();                  @part_arr = ();
91                  $last_part = $part;                  $last_part = $part;
92          }          }
93          push @part_arr, "['$path','$headline']";          push @part_arr, "[".escape_js($headline).",".join(",",map { escape_js($_) } @data)."]";
94    
95          # break out?          # break out?
96          last if ($max && $total > $max);          last if ($max && $total > $max);
97  }  }
98    
99  print "headlines['$last_part'] = [\n ",join(",\n ",@part_arr),"];\n" if (@part_arr);  print "${headlines}[",escape_js($last_part)."] = [\n ",join(",\n ",@part_arr),"];\n" if (@part_arr);
100  print qq{  print qq{
101    
102  var min_len = $min_len;  ${headlines}.min_len = $min_len;
103  var html_pre = '<div><a href="../';  ${headlines}.length = $total;
 var html_mid = '">';  
 var html_post = '</a></div>';  
   
 // index elements: $total  
104    
105  };  };
106    
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