/[webpac]/trunk/parse_format.pm
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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Contents of /trunk/parse_format.pm

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Revision 46 - (show annotations)
Sun Mar 23 01:14:59 2003 UTC (16 years, 8 months ago) by dpavlin
File size: 1808 byte(s)
speed-up

1 #-------------------------------------------------------------
2 #
3 # parse_format('format',$isis_row);
4 #
5
6 use isis_sf;
7
8 sub parse_format {
9 my $format = shift || die "parse_format must be called with format!";
10 my $row = shift || die "parse_format must be called with row!";
11 my $i = shift || 0; # isis repeatable number
12 my $codepage = shift || die "parse_format must be called with codepage!";
13
14 my $out;
15 my $out_swish;
16
17 my $prefix = "";
18 if ($format =~ s/^([^\d]+)//) {
19 $prefix = $1;
20 }
21
22 my $display;
23 my $swish;
24
25 while ($format) {
26 #print STDERR "\n#### $format";
27 if ($format =~ s/^(\d\d\d)(\w?)//) {
28 my $isis_tmp = isis_sf($row,$1,$2,$i);
29 if ($isis_tmp) {
30 $isis_tmp = $codepage->convert($isis_tmp) if ($codepage);
31 $display .= $prefix . $isis_tmp;
32 $swish .= $isis_tmp." ";
33 #print STDERR " == $isis_tmp";
34 }
35 $prefix = "";
36 # this might be our local scpeciality -- fields 10 and 11
37 # (as opposed to 010 and 011) so they are strictly listed
38 # here
39 } elsif ($format =~ s/^(1[01])//) {
40 my $isis_tmp = isis_sf($row,$1,undef,$i);
41 if ($isis_tmp) {
42 $isis_tmp = $codepage->convert($isis_tmp) if ($codepage);
43 $display .= $prefix . $isis_tmp;
44 $swish .= $isis_tmp." ";
45 }
46 $prefix = "";
47 } elsif ($format =~ s/^mfn//i) {
48 $display .= $prefix . $row->{mfn};
49 $prefix = "";
50 } elsif ($format =~ s/^([^\d]+)(\d{0,3})/$2/) {
51 $prefix .= $1 if ($display);
52 } elsif ($format =~ s/^([^\d]+\d{0,2})//) {
53 $prefix .= $1 if ($display);
54 } elsif ($format =~ s/^(\d{1,2})//) {
55 $prefix .= $1 if ($display);
56 } else {
57 print STDERR "unparsed format: $format\n";
58 $prefix .= $format;
59 $format = "";
60 }
61 }
62 # add suffix
63 $display .= $prefix if ($display);
64
65 return ($swish,$display);
66 }
67
68 #-------------------------------------------------------------
69 1;

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