1 |
#------------------------------------------------------------- |
2 |
# |
3 |
# parse_format(...) |
4 |
# |
5 |
|
6 |
sub parse_format { |
7 |
my $type = shift || die "parset_format must be called with type!"; |
8 |
my $format = shift || die "parse_format must be called with format!"; |
9 |
my $row = shift || die "parse_format must be called with row!"; |
10 |
my $i = shift || 0; # isis repeatable number |
11 |
my $codepage = shift || die "parse_format must be called with codepage!"; |
12 |
if ($type eq "isis") { |
13 |
return parse_iso_format($format,$row,$i,$codepage,'isis_sf'); |
14 |
} elsif ($type eq "excel") { |
15 |
return parse_excel_format($format,$row,$i,$codepage); |
16 |
} elsif ($type eq "marc") { |
17 |
return parse_iso_format($format,$row,$i,$codepage,'marc_sf'); |
18 |
} elsif ($type eq "feed") { |
19 |
return parse_feed_format($format,$row,$i,$codepage); |
20 |
} |
21 |
} |
22 |
|
23 |
#------------------------------------------------------------- |
24 |
|
25 |
sub parse_iso_format { |
26 |
|
27 |
my $format = shift; |
28 |
my $row = shift; |
29 |
my $i = shift; |
30 |
my $codepage = shift; |
31 |
|
32 |
my $func = shift || die "need to know which sub-field function to use"; |
33 |
|
34 |
require $func.".pm"; |
35 |
|
36 |
my $out; |
37 |
my $out_swish; |
38 |
|
39 |
my $display; |
40 |
my $swish; |
41 |
|
42 |
sub cnv_cp { |
43 |
my $codepage = shift; |
44 |
my $tmp = shift || return; |
45 |
if ($codepage) { |
46 |
$tmp = $codepage->convert($tmp) || print STDERR "iso: '$tmp' can't convert\n"; |
47 |
} |
48 |
return $tmp; |
49 |
} |
50 |
|
51 |
# if format doesn't exits, store it in cache |
52 |
if (! defined($cache->{format}->{$format})) { |
53 |
# print STDERR "parsing format for '$format'\n"; |
54 |
my @fmt; |
55 |
|
56 |
my $f = $format; |
57 |
|
58 |
if ($f =~ s/^([^\d]+)//) { |
59 |
if ($f) { # there is more to parse |
60 |
push @fmt,$1; |
61 |
} else { |
62 |
@fmt = ('',$1,undef,''); |
63 |
#print STDERR "just one field: $1\n"; |
64 |
} |
65 |
} else { |
66 |
push @fmt,''; |
67 |
} |
68 |
|
69 |
while ($f) { |
70 |
# print STDERR "\n#### $f"; |
71 |
# this is EBSCO special to support numeric subfield in |
72 |
# form of 856#3 |
73 |
if ($f =~ s/^(\d\d\d)#*(\w?)//) { |
74 |
push @fmt,$1; |
75 |
if ($2) { |
76 |
push @fmt,$2; |
77 |
} else { |
78 |
push @fmt,undef; |
79 |
} |
80 |
# this might be our local scpeciality -- fields 10 and 11 |
81 |
# (as opposed to 010 and 011) so they are strictly listed |
82 |
# here |
83 |
} elsif ($f =~ s/^(1[01])//) { |
84 |
push @fmt,$1; |
85 |
push @fmt,undef; |
86 |
} elsif ($f =~ s/^mfn//i) { |
87 |
push @fmt,'mfn'; |
88 |
push @fmt,''; |
89 |
} elsif ($f =~ s/^([^\d]+)(\d{0,3})/$2/) { |
90 |
# still prefix? |
91 |
if ($#fmt == 0) { |
92 |
$fmt[0] .= $1; |
93 |
} else { |
94 |
push @fmt,$1; |
95 |
} |
96 |
} elsif ($f =~ s/^([^\d]+\d{0,2})//) { |
97 |
if ($#fmt == 0) { |
98 |
$fmt[0] .= $1; |
99 |
} else { |
100 |
push @fmt,$1; |
101 |
} |
102 |
} elsif ($f =~ s/^(\d{1,2})//) { |
103 |
if ($#fmt == 0) { |
104 |
$fmt[0] .= $1; |
105 |
} else { |
106 |
push @fmt,$1; |
107 |
} |
108 |
} else { |
109 |
print STDERR "unparsed format: $f\n"; |
110 |
$f = ""; |
111 |
} |
112 |
} |
113 |
push @fmt,'' if ($#fmt % 3 != 0); # add empty suffix |
114 |
$cache->{format}->{$format} = \@fmt; |
115 |
|
116 |
print STDERR "storing format for '$format': [",join("|",@fmt),"]\n"; |
117 |
# print STDERR "storing format for '$format':",Dumper(@fmt),"\n"; |
118 |
# print STDERR Dumper($cache->{format}->{$format}); |
119 |
} |
120 |
|
121 |
# now produce actual record |
122 |
my $tmp = $cache->{format}->{$format} || die "no format cache for '$format'"; |
123 |
my @fmt = @{$tmp}; |
124 |
# print STDERR "using format for '$format':",Dumper(@fmt),"\n"; |
125 |
# print STDERR "tmp ",Dumper($tmp); |
126 |
# print STDERR "cache: ",Dumper($cache->{format}->{$format}); |
127 |
|
128 |
# prefix |
129 |
my $prefix = shift @fmt; |
130 |
my $sufix; |
131 |
while($#fmt > 1) { |
132 |
my $f = shift @fmt || die "BUG: field name can't be empty!"; |
133 |
my $sf = shift @fmt; |
134 |
|
135 |
if ($f eq 'mfn' && $i == 0) { |
136 |
$display .= $sufix if ($display); |
137 |
$display .= $row->{mfn}; |
138 |
} else { |
139 |
my $val = &$func($row,$f,$sf,$i); |
140 |
if ($val) { |
141 |
# print STDERR "val: $val\n"; |
142 |
my $tmp = cnv_cp($codepage,$val); |
143 |
if ($display) { |
144 |
$display .= $sufix.$tmp; |
145 |
} else { |
146 |
$display = $tmp; |
147 |
} |
148 |
$swish .= $tmp." "; |
149 |
} |
150 |
} |
151 |
$sufix = shift @fmt; |
152 |
} |
153 |
$display = $prefix.$display.$sufix if ($display); |
154 |
print STDERR "format left unused: [",join("|",@fmt),"]\n" if (@fmt); |
155 |
|
156 |
print STDERR "format: [",join("|",@{$tmp}),"]\n" if (@fmt); |
157 |
|
158 |
# print STDERR "display: $display swish: $swish\n"; |
159 |
|
160 |
return ($swish,$display); |
161 |
} |
162 |
|
163 |
#------------------------------------------------------------- |
164 |
|
165 |
sub parse_excel_format { |
166 |
my $format = shift; |
167 |
my $row = shift; |
168 |
my $i = shift; |
169 |
my $codepage = shift; |
170 |
|
171 |
return if ($i > 0); # Excel doesn't support repeatable fields |
172 |
|
173 |
my $out; |
174 |
my $out_swish; |
175 |
|
176 |
my $prefix = ""; |
177 |
if ($format =~ s/^([^A-Z\|]{1,3})//) { |
178 |
$prefix = $1; |
179 |
} |
180 |
|
181 |
my $display; |
182 |
my $swish; |
183 |
|
184 |
while ($format && length($format) > 0) { |
185 |
#print STDERR "\n#### $format #"; |
186 |
if ($format =~ s/^\|([A-Z]{1,2})\|//) { |
187 |
#print STDERR "--$1-> $format -[",length($format),"] "; |
188 |
if ($row->{$1}) { |
189 |
my $tmp = $row->{$1}; |
190 |
if ($codepage) { |
191 |
$tmp = $codepage->convert($tmp) || warn "excel: $1 '$tmp' can't convert"; |
192 |
} |
193 |
$display .= $prefix . $tmp; |
194 |
$swish .= $tmp." "; |
195 |
#print STDERR " == $tmp"; |
196 |
} |
197 |
$prefix = ""; |
198 |
} elsif ($format =~ s/^([^A-Z\|]+)(\|[A-Z]{1,2}\|)/$2/) { |
199 |
$prefix .= $1 if ($display); |
200 |
} else { |
201 |
print STDERR "unparsed format: $format\n"; |
202 |
$prefix .= $format; |
203 |
$format = ""; |
204 |
} |
205 |
#print STDERR " display: $display swish: $swish [format: $format]"; |
206 |
} |
207 |
# add suffix |
208 |
$display .= $prefix if ($display); |
209 |
|
210 |
return ($swish,$display); |
211 |
} |
212 |
|
213 |
#------------------------------------------------------------- |
214 |
|
215 |
sub parse_feed_format { |
216 |
my $format = shift; |
217 |
my $data = shift; |
218 |
my $i = shift; |
219 |
my $codepage = shift; |
220 |
|
221 |
# XXX feed doesn't support repeatable fields, but they really |
222 |
# should, This is a bug. It should be fixed! |
223 |
return if ($i > 0); |
224 |
|
225 |
my $out; |
226 |
my $out_swish; |
227 |
|
228 |
my $prefix = ""; |
229 |
if ($format =~ s/^([^\d\|]{1,3})//) { |
230 |
$prefix = $1; |
231 |
} |
232 |
|
233 |
my $display; |
234 |
my $swish; |
235 |
|
236 |
while ($format && length($format) > 0) { |
237 |
#print STDERR "\n#### $format #"; |
238 |
if ($format =~ s/^\|(\d+)\|//) { |
239 |
#print STDERR "--$1-> $format -[",length($format),"] "; |
240 |
if ($data->{$1}) { |
241 |
my $tmp = $data->{$1}; |
242 |
if ($codepage) { |
243 |
$tmp = $codepage->convert($tmp) || warn "feed: $1 '$tmp' can't convert\n"; |
244 |
} |
245 |
$display .= $prefix . $tmp; |
246 |
$swish .= $tmp." "; |
247 |
#print STDERR " == $tmp"; |
248 |
} |
249 |
$prefix = ""; |
250 |
} elsif ($format =~ s/^([^\d\|]+)(\|\d+\|)/$2/) { |
251 |
$prefix .= $1 if ($display); |
252 |
} else { |
253 |
print STDERR "unparsed format: $format\n"; |
254 |
$prefix .= $format; |
255 |
$format = ""; |
256 |
} |
257 |
#print STDERR " display: $display swish: $swish [format: $format]"; |
258 |
} |
259 |
# add suffix |
260 |
$display .= $prefix if ($display); |
261 |
|
262 |
return ($swish,$display); |
263 |
} |
264 |
|
265 |
#------------------------------------------------------------- |
266 |
|
267 |
1; |