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

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Revision 67 - (show annotations)
Fri Jul 4 23:29:27 2003 UTC (16 years, 5 months ago) by dpavlin
File size: 4682 byte(s)
implemented feed method which calls external program that returns
data line-by-line

1 #-------------------------------------------------------------
2 #
3 # parse_format(...)
4 #
5
6
7 sub parse_format {
8 my $type = shift || die "parset_format must be called with type!";
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 $codepage = shift || die "parse_format must be called with codepage!";
13 if ($type eq "isis") {
14 return parse_iso_format($format,$row,$i,$codepage,'isis_sf');
15 } elsif ($type eq "excel") {
16 return parse_excel_format($format,$row,$i,$codepage);
17 } elsif ($type eq "marc") {
18 return parse_iso_format($format,$row,$i,$codepage,'marc_sf');
19 } elsif ($type eq "feed") {
20 return parse_feed_format($format,$row,$i,$codepage);
21 }
22 }
23
24 #-------------------------------------------------------------
25
26 sub parse_iso_format {
27
28 my $format = shift;
29 my $row = shift;
30 my $i = shift;
31 my $codepage = shift;
32
33 my $func = shift || die "need to know which sub-field function to use";
34
35 require $func.".pm";
36
37 my $out;
38 my $out_swish;
39
40 my $prefix = "";
41 if ($format =~ s/^([^\d]+)//) {
42 $prefix = $1;
43 }
44
45 my $display;
46 my $swish;
47
48 sub cnv_cp {
49 my $tmp = shift;
50 if ($codepage) {
51 $tmp = $codepage->convert($tmp) || print STDERR "$1$2 = '$tmp' can't convert";
52 }
53 return $tmp;
54 }
55
56 while ($format) {
57 #print STDERR "\n#### $format";
58 # this is EBSCO special to support numeric subfield in
59 # form of 856#3
60 if ($format =~ s/^(\d\d\d)#*(\w?)//) {
61 my $tmp = get_sf($row,$1,$2,$i);
62 if ($tmp) {
63 $display .= $prefix.cnv_cp($tmp);
64 $swish .= $tmp." ";
65 #print STDERR " == $tmp";
66 }
67 $prefix = "";
68 # this might be our local scpeciality -- fields 10 and 11
69 # (as opposed to 010 and 011) so they are strictly listed
70 # here
71 } elsif ($format =~ s/^(1[01])//) {
72 my $tmp = get_sf($row,$1,undef,$i);
73 if ($tmp) {
74 $display .= $prefix.cnv_cp($tmp);
75 $swish .= $tmp." ";
76 }
77 $prefix = "";
78 } elsif ($format =~ s/^mfn//i) {
79 $display .= $prefix . $row->{mfn};
80 $prefix = "";
81 } elsif ($format =~ s/^([^\d]+)(\d{0,3})/$2/) {
82 $prefix .= $1 if ($display);
83 } elsif ($format =~ s/^([^\d]+\d{0,2})//) {
84 $prefix .= $1 if ($display);
85 } elsif ($format =~ s/^(\d{1,2})//) {
86 $prefix .= $1 if ($display);
87 } else {
88 print STDERR "unparsed format: $format\n";
89 $prefix .= $format;
90 $format = "";
91 }
92 }
93 # add suffix
94 $display .= $prefix if ($display);
95
96 return ($swish,$display);
97 }
98
99 #-------------------------------------------------------------
100
101 sub parse_excel_format {
102 my $format = shift;
103 my $row = shift;
104 my $i = shift;
105 my $codepage = shift;
106
107 my $out;
108 my $out_swish;
109
110 my $prefix = "";
111 if ($format =~ s/^([^A-Z\|]{1,3})//) {
112 $prefix = $1;
113 }
114
115 my $display;
116 my $swish;
117
118 while ($format && length($format) > 0) {
119 #print STDERR "\n#### $format #";
120 if ($format =~ s/^\|([A-Z]{1,2})\|//) {
121 #print STDERR "--$1-> $format -[",length($format),"] ";
122 if ($row->{$1}) {
123 my $tmp = $row->{$1};
124 if ($codepage) {
125 $tmp = $codepage->convert($tmp) || warn "excel: $1 '$tmp' can't convert";
126 }
127 $display .= $prefix . $tmp;
128 $swish .= $tmp." ";
129 #print STDERR " == $tmp";
130 }
131 $prefix = "";
132 } elsif ($format =~ s/^([^A-Z\|]+)(\|[A-Z]{1,2}\|)/$2/) {
133 $prefix .= $1 if ($display);
134 } else {
135 print STDERR "unparsed format: $format\n";
136 $prefix .= $format;
137 $format = "";
138 }
139 #print STDERR " display: $display swish: $swish [format: $format]";
140 }
141 # add suffix
142 $display .= $prefix if ($display);
143
144 return ($swish,$display);
145 }
146
147 #-------------------------------------------------------------
148
149 sub parse_feed_format {
150 my $format = shift;
151 my $data = shift;
152 my $i = shift;
153 my $codepage = shift;
154
155 my $out;
156 my $out_swish;
157
158 my $prefix = "";
159 if ($format =~ s/^([^\d\|]{1,3})//) {
160 $prefix = $1;
161 }
162
163 my $display;
164 my $swish;
165
166 while ($format && length($format) > 0) {
167 #print STDERR "\n#### $format #";
168 if ($format =~ s/^\|(\d+)\|//) {
169 #print STDERR "--$1-> $format -[",length($format),"] ";
170 if ($data->{$1}) {
171 my $tmp = $data->{$1};
172 if ($codepage) {
173 $tmp = $codepage->convert($tmp) || warn "feed: $1 '$tmp' can't convert\n";
174 }
175 $display .= $prefix . $tmp;
176 $swish .= $tmp." ";
177 #print STDERR " == $tmp";
178 }
179 $prefix = "";
180 } elsif ($format =~ s/^([^\d\|]+)(\|\d+\|)/$2/) {
181 $prefix .= $1 if ($display);
182 } else {
183 print STDERR "unparsed format: $format\n";
184 $prefix .= $format;
185 $format = "";
186 }
187 #print STDERR " display: $display swish: $swish [format: $format]";
188 }
189 # add suffix
190 $display .= $prefix if ($display);
191
192 return ($swish,$display);
193 }
194
195 #-------------------------------------------------------------
196
197 1;

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