/[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 43 - (show annotations)
Sat Mar 22 22:43:05 2003 UTC (16 years, 8 months ago) by dpavlin
File size: 2106 byte(s)
fixed alphabet soup -- characters encoding should really work now!

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 eval {
31 $isis_tmp = $codepage->convert($isis_tmp) if ($codepage);
32 };
33 if ($@) {
34 print STDERR "FATAL: something bad happend while trying to convert '$isis_tmp' [mfn: ",$row->{mfn},"]\n"
35 }
36 $display .= $prefix . $isis_tmp;
37 $swish .= $isis_tmp." ";
38 #print STDERR " == $isis_tmp";
39 }
40 $prefix = "";
41 # this might be our local scpeciality -- fields 10 and 11
42 # (as opposed to 010 and 011) so they are strictly listed
43 # here
44 } elsif ($format =~ s/^(1[01])//) {
45 my $isis_tmp = isis_sf($row,$1,undef,$i);
46 if ($isis_tmp) {
47 eval {
48 $isis_tmp = $codepage->convert($isis_tmp) if ($codepage);
49 };
50 if ($@) {
51 print STDERR "FATAL: something bad happend while trying to convert '$isis_tmp' [mfn: ",$row->{mfn},"]\n"
52 }
53 $display .= $prefix . $isis_tmp;
54 $swish .= $isis_tmp." ";
55 }
56 $prefix = "";
57 } elsif ($format =~ s/^mfn//i) {
58 $display .= $prefix . $row->{mfn};
59 $prefix = "";
60 } elsif ($format =~ s/^([^\d]+)(\d{0,3})/$2/) {
61 $prefix .= $1 if ($display);
62 } elsif ($format =~ s/^([^\d]+\d{0,2})//) {
63 $prefix .= $1 if ($display);
64 } elsif ($format =~ s/^(\d{1,2})//) {
65 $prefix .= $1 if ($display);
66 } else {
67 print STDERR "unparsed format: $format\n";
68 $prefix .= $format;
69 $format = "";
70 }
71 }
72 # add suffix
73 $display .= $prefix if ($display);
74
75 return ($swish,$display);
76 }
77
78 #-------------------------------------------------------------
79 1;

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