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For /usr/share/koha/opac/cgi-bin/opac/opac-search.pl
  Run on Tue Oct 15 11:58:52 2013
Reported on Tue Oct 15 12:01:06 2013

Filename/usr/share/perl/5.10/charnames.pm
StatementsExecuted 40 statements in 1.74ms
Subroutines
Calls P F Exclusive
Time		 Inclusive
Time		 Subroutine
11156µs1.94mscharnames::::importcharnames::import
11119µs24µscharnames::::BEGIN@2charnames::BEGIN@2
11117µs21µscharnames::::BEGIN@174charnames::BEGIN@174
11116µs36µscharnames::::BEGIN@183charnames::BEGIN@183
11114µs14µscharnames::::BEGIN@4charnames::BEGIN@4
11110µs25µscharnames::::BEGIN@3charnames::BEGIN@3
1115µs5µscharnames::::BEGIN@7charnames::BEGIN@7
0000s0scharnames::::aliascharnames::alias
0000s0scharnames::::alias_filecharnames::alias_file
0000s0scharnames::::carpcharnames::carp
0000s0scharnames::::charnamescharnames::charnames
0000s0scharnames::::croakcharnames::croak
0000s0scharnames::::viacodecharnames::viacode
0000s0scharnames::::vianamecharnames::vianame
Call graph for these subroutines as a Graphviz dot language file.
Line State
ments		 Time
on line		 Calls Time
in subs		 Code
1package charnames;
2329µs229µs
# spent 24µs (19+5) within charnames::BEGIN@2 which was called: # once (19µs+5µs) by MARC::Charset::BEGIN@12 at line 2
use strict;
# spent 24µs making 1 call to charnames::BEGIN@2 # spent 5µs making 1 call to strict::import
3351µs240µs
# spent 25µs (10+15) within charnames::BEGIN@3 which was called: # once (10µs+15µs) by MARC::Charset::BEGIN@12 at line 3
use warnings;
# spent 25µs making 1 call to charnames::BEGIN@3 # spent 15µs making 1 call to warnings::import
4349µs114µs
# spent 14µs within charnames::BEGIN@4 which was called: # once (14µs+0s) by MARC::Charset::BEGIN@12 at line 4
use File::Spec;
# spent 14µs making 1 call to charnames::BEGIN@4
51700nsour $VERSION = '1.07';
6
73728µs15µs
# spent 5µs within charnames::BEGIN@7 which was called: # once (5µs+0s) by MARC::Charset::BEGIN@12 at line 7
use bytes (); # for $bytes::hint_bits
# spent 5µs making 1 call to charnames::BEGIN@7
8
919µsmy %alias1 = (
10 # Icky 3.2 names with parentheses.
11 'LINE FEED' => 'LINE FEED (LF)',
12 'FORM FEED' => 'FORM FEED (FF)',
13 'CARRIAGE RETURN' => 'CARRIAGE RETURN (CR)',
14 'NEXT LINE' => 'NEXT LINE (NEL)',
15 # Convenience.
16 'LF' => 'LINE FEED (LF)',
17 'FF' => 'FORM FEED (FF)',
18 'CR' => 'CARRIAGE RETURN (CR)',
19 'NEL' => 'NEXT LINE (NEL)',
20 # More convenience. For futher convencience,
21 # it is suggested some way using using the NamesList
22 # aliases is implemented.
23 'ZWNJ' => 'ZERO WIDTH NON-JOINER',
24 'ZWJ' => 'ZERO WIDTH JOINER',
25 'BOM' => 'BYTE ORDER MARK',
26 );
27
2815µsmy %alias2 = (
29 # Pre-3.2 compatibility (only for the first 256 characters).
30 'HORIZONTAL TABULATION' => 'CHARACTER TABULATION',
31 'VERTICAL TABULATION' => 'LINE TABULATION',
32 'FILE SEPARATOR' => 'INFORMATION SEPARATOR FOUR',
33 'GROUP SEPARATOR' => 'INFORMATION SEPARATOR THREE',
34 'RECORD SEPARATOR' => 'INFORMATION SEPARATOR TWO',
35 'UNIT SEPARATOR' => 'INFORMATION SEPARATOR ONE',
36 'PARTIAL LINE DOWN' => 'PARTIAL LINE FORWARD',
37 'PARTIAL LINE UP' => 'PARTIAL LINE BACKWARD',
38 );
39
401300nsmy %alias3 = (
41 # User defined aliasses. Even more convenient :)
42 );
431200nsmy $txt;
44
45sub croak
46{
47 require Carp; goto &Carp::croak;
48} # croak
49
50sub carp
51{
52 require Carp; goto &Carp::carp;
53} # carp
54
55sub alias (@)
56{
57 @_ or return %alias3;
58 my $alias = ref $_[0] ? $_[0] : { @_ };
59 @alias3{keys %$alias} = values %$alias;
60} # alias
61
62sub alias_file ($)
63{
64 my ($arg, $file) = @_;
65 if (-f $arg && File::Spec->file_name_is_absolute ($arg)) {
66 $file = $arg;
67 }
68 elsif ($arg =~ m/^\w+$/) {
69 $file = "unicore/${arg}_alias.pl";
70 }
71 else {
72 croak "Charnames alias files can only have identifier characters";
73 }
74 if (my @alias = do $file) {
75 @alias == 1 && !defined $alias[0] and
76 croak "$file cannot be used as alias file for charnames";
77 @alias % 2 and
78 croak "$file did not return a (valid) list of alias pairs";
79 alias (@alias);
80 return (1);
81 }
82 0;
83} # alias_file
84
85# This is not optimized in any way yet
86sub charnames
87{
88 my $name = shift;
89
90 if (exists $alias1{$name}) {
91 $name = $alias1{$name};
92 }
93 elsif (exists $alias2{$name}) {
94 require warnings;
95 warnings::warnif('deprecated', qq{Unicode character name "$name" is deprecated, use "$alias2{$name}" instead});
96 $name = $alias2{$name};
97 }
98 elsif (exists $alias3{$name}) {
99 $name = $alias3{$name};
100 }
101
102 my $ord;
103 my @off;
104 my $fname;
105
106 if ($name eq "BYTE ORDER MARK") {
107 $fname = $name;
108 $ord = 0xFEFF;
109 } else {
110 ## Suck in the code/name list as a big string.
111 ## Lines look like:
112 ## "0052\t\tLATIN CAPITAL LETTER R\n"
113 $txt = do "unicore/Name.pl" unless $txt;
114
115 ## @off will hold the index into the code/name string of the start and
116 ## end of the name as we find it.
117
118 ## If :full, look for the name exactly
119 if ($^H{charnames_full} and $txt =~ /\t\t\Q$name\E$/m) {
120 @off = ($-[0], $+[0]);
121 }
122
123 ## If we didn't get above, and :short allowed, look for the short name.
124 ## The short name is like "greek:Sigma"
125 unless (@off) {
126 if ($^H{charnames_short} and $name =~ /^(.+?):(.+)/s) {
127 my ($script, $cname) = ($1, $2);
128 my $case = $cname =~ /[[:upper:]]/ ? "CAPITAL" : "SMALL";
129 if ($txt =~ m/\t\t\U$script\E (?:$case )?LETTER \U\Q$cname\E$/m) {
130 @off = ($-[0], $+[0]);
131 }
132 }
133 }
134
135 ## If we still don't have it, check for the name among the loaded
136 ## scripts.
137 if (not @off) {
138 my $case = $name =~ /[[:upper:]]/ ? "CAPITAL" : "SMALL";
139 for my $script (@{$^H{charnames_scripts}}) {
140 if ($txt =~ m/\t\t$script (?:$case )?LETTER \U\Q$name\E$/m) {
141 @off = ($-[0], $+[0]);
142 last;
143 }
144 }
145 }
146
147 ## If we don't have it by now, give up.
148 unless (@off) {
149 carp "Unknown charname '$name'";
150 return "\x{FFFD}";
151 }
152
153 ##
154 ## Now know where in the string the name starts.
155 ## The code, in hex, is before that.
156 ##
157 ## The code can be 4-6 characters long, so we've got to sort of
158 ## go look for it, just after the newline that comes before $off[0].
159 ##
160 ## This would be much easier if unicore/Name.pl had info in
161 ## a name/code order, instead of code/name order.
162 ##
163 ## The +1 after the rindex() is to skip past the newline we're finding,
164 ## or, if the rindex() fails, to put us to an offset of zero.
165 ##
166 my $hexstart = rindex($txt, "\n", $off[0]) + 1;
167
168 ## we know where it starts, so turn into number -
169 ## the ordinal for the char.
170 $ord = CORE::hex substr($txt, $hexstart, $off[0] - $hexstart);
171 }
172
173 if ($^H & $bytes::hint_bits) { # "use bytes" in effect?
174392µs226µs
# spent 21µs (17+4) within charnames::BEGIN@174 which was called: # once (17µs+4µs) by MARC::Charset::BEGIN@12 at line 174
use bytes;
# spent 21µs making 1 call to charnames::BEGIN@174 # spent 4µs making 1 call to bytes::import
175 return chr $ord if $ord <= 255;
176 my $hex = sprintf "%04x", $ord;
177 if (not defined $fname) {
178 $fname = substr $txt, $off[0] + 2, $off[1] - $off[0] - 2;
179 }
180 croak "Character 0x$hex with name '$fname' is above 0xFF";
181 }
182
1833706µs256µs
# spent 36µs (16+20) within charnames::BEGIN@183 which was called: # once (16µs+20µs) by MARC::Charset::BEGIN@12 at line 183
no warnings 'utf8'; # allow even illegal characters
# spent 36µs making 1 call to charnames::BEGIN@183 # spent 20µs making 1 call to warnings::unimport
184 return pack "U", $ord;
185} # charnames
186
187sub import
188
# spent 1.94ms (56µs+1.88) within charnames::import which was called: # once (56µs+1.88ms) by MARC::Charset::BEGIN@12 at line 12 of MARC/Charset.pm
{
1891456µs shift; ## ignore class name
190
191 if (not @_) {
192 carp("`use charnames' needs explicit imports list");
193 }
194 $^H{charnames} = \&charnames ;
195
196 ##
197 ## fill %h keys with our @_ args.
198 ##
199 my ($promote, %h, @args) = (0);
200 while (my $arg = shift) {
201 if ($arg eq ":alias") {
202 @_ or
203 croak ":alias needs an argument in charnames";
204 my $alias = shift;
205 if (ref $alias) {
206 ref $alias eq "HASH" or
207 croak "Only HASH reference supported as argument to :alias";
208 alias ($alias);
209 next;
210 }
211 if ($alias =~ m{:(\w+)$}) {
212 $1 eq "full" || $1 eq "short" and
213 croak ":alias cannot use existing pragma :$1 (reversed order?)";
214 alias_file ($1) and $promote = 1;
215 next;
216 }
217 alias_file ($alias);
218 next;
219 }
220 if (substr($arg, 0, 1) eq ':' and ! ($arg eq ":full" || $arg eq ":short")) {
221 warn "unsupported special '$arg' in charnames";
222 next;
223 }
224 push @args, $arg;
225 }
226 @args == 0 && $promote and @args = (":full");
227 @h{@args} = (1) x @args;
228
229 $^H{charnames_full} = delete $h{':full'};
230 $^H{charnames_short} = delete $h{':short'};
231 $^H{charnames_scripts} = [map uc, keys %h];
232
233 ##
234 ## If utf8? warnings are enabled, and some scripts were given,
235 ## see if at least we can find one letter of each script.
236 ##
23711.88ms if (warnings::enabled('utf8') && @{$^H{charnames_scripts}}) {
# spent 1.88ms making 1 call to warnings::enabled
238 $txt = do "unicore/Name.pl" unless $txt;
239
240 for my $script (@{$^H{charnames_scripts}}) {
241 if (not $txt =~ m/\t\t$script (?:CAPITAL |SMALL )?LETTER /) {
242 warnings::warn('utf8', "No such script: '$script'");
243 }
244 }
245 }
246} # import
247
2481200nsmy %viacode;
249
250sub viacode
251{
252 if (@_ != 1) {
253 carp "charnames::viacode() expects one argument";
254 return;
255 }
256
257 my $arg = shift;
258
259 # this comes actually from Unicode::UCD, where it is the named
260 # function _getcode (), but it avoids the overhead of loading it
261 my $hex;
262 if ($arg =~ /^[1-9]\d*$/) {
263 $hex = sprintf "%04X", $arg;
264 } elsif ($arg =~ /^(?:[Uu]\+|0[xX])?([[:xdigit:]]+)$/) {
265 $hex = $1;
266 } else {
267 carp("unexpected arg \"$arg\" to charnames::viacode()");
268 return;
269 }
270
271 # checking the length first is slightly faster
272 if (length($hex) > 5 && hex($hex) > 0x10FFFF) {
273 carp "Unicode characters only allocated up to U+10FFFF (you asked for U+$hex)";
274 return;
275 }
276
277 return $viacode{$hex} if exists $viacode{$hex};
278
279 $txt = do "unicore/Name.pl" unless $txt;
280
281 return unless $txt =~ m/^$hex\t\t(.+)/m;
282
283 $viacode{$hex} = $1;
284} # viacode
285
2861200nsmy %vianame;
287
288sub vianame
289{
290 if (@_ != 1) {
291 carp "charnames::vianame() expects one name argument";
292 return ()
293 }
294
295 my $arg = shift;
296
297 return chr CORE::hex $1 if $arg =~ /^U\+([0-9a-fA-F]+)$/;
298
299 return $vianame{$arg} if exists $vianame{$arg};
300
301 $txt = do "unicore/Name.pl" unless $txt;
302
303 my $pos = index $txt, "\t\t$arg\n";
304 if ($[ <= $pos) {
305 my $posLF = rindex $txt, "\n", $pos;
306 (my $code = substr $txt, $posLF + 1, 6) =~ tr/\t//d;
307 return $vianame{$arg} = CORE::hex $code;
308
309 # If $pos is at the 1st line, $posLF must be $[ - 1 (not found);
310 # then $posLF + 1 equals to $[ (at the beginning of $txt).
311 # Otherwise $posLF is the position of "\n";
312 # then $posLF + 1 must be the position of the next to "\n"
313 # (the beginning of the line).
314 # substr($txt, $posLF + 1, 6) may be "0000\t\t", "00A1\t\t",
315 # "10300\t", "100000", etc. So we can get the code via removing TAB.
316 } else {
317 return;
318 }
319} # vianame
320
321
322110µs1;
323__END__
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