This file is indexed.

/usr/share/perl5/EB/Utils.pm is in eekboek 2.02.05+dfsg-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
#! perl

# Utils.pm -- 
# Author          : Johan Vromans
# Created On      : Wed Sep 21 13:09:01 2005
# Last Modified By: Johan Vromans
# Last Modified On: Tue May 14 20:21:30 2013
# Update Count    : 127
# Status          : Unknown, Use with caution!

package EB::Utils;

use strict;

use base qw(Exporter);

our @EXPORT;
our @EXPORT_OK;

use Time::Local;

# We're imported by EB that exports _T. Kinda catch-22.
*_T = *EB::_T;

# These are only used by the BTW Aangifte modules.
# Note these are translated using _T where appropriate.
our @months =
      split(" ", "Jan Feb Mrt Apr Mei Jun Jul Aug Sep Okt Nov Dec");
our @month_names =
      split(" ", "Januari Februari Maart April Mei Juni Juli Augustus September Oktober November December");
our @days =
      split(" ", "Zon Maa Din Woe Don Vri Zat");
our @day_names =
      split(" ", "Zondag Maandag Dinsdag Woensdag Donderdag Vrijdag Zaterdag");

my $_i;

my %rev_months;
$_i = 1;
foreach ( @months ) {
    $rev_months{ lc $_  } = $_i;
    $rev_months{ "m$_i" } = $_i;
    $rev_months{ sprintf("m%02d", $_i) } = $_i;
    $_i++;
}

my %rev_month_names;
$_i = 1;
foreach ( @month_names ) {
    $rev_month_names{ lc $_ } = $_i++;
}

sub parse_date {
    my ($date, $default_year, $delta_d, $delta_m, $delta_y) = @_;

    # Parse a date and return it in ISO format (scalar) or
    # (YYYY,MM,DD) list context.

    my ($d, $m, $y);
    if ( $date =~ /^(\d\d\d\d)-(\d\d)-(\d\d)$/ ) {
	($y, $m, $d) = ($1, $2, $3);
    }
    elsif ( $date =~ /^(\d\d?)-(\d\d?)-(\d\d\d\d)$/ ) {
	($d, $m, $y) = ($1, $2, $3);
    }
    elsif ( $date =~ /^(\d\d?)-(\d\d?)$/ ) {
	return unless $default_year;
	($d, $m, $y) = ($1, $2, $default_year);
    }
    elsif ( $date =~ /^(\d\d?) (\w+)$/ ) {
	return unless $default_year;
	return unless $m = $rev_month_names{$2} || $rev_months{$2};
	($d, $y) = ($1, $default_year);
    }
    else {
	return;		# invalid format
    }

    # The date, as delivered, must be valid.
    my $time = eval { timelocal(0, 0, 12, $d, $m-1, $y) };
    return unless $time;	# invalid date

    # Handle deltas.
    $y += $delta_y if $delta_y;
    $m += $delta_m if $delta_m;
    while ( $m > 12 ) { $m -= 12, $y++ }
    while ( $m < 1  ) { $m += 12; $y-- }
    $delta_d += $d - 1;

    # New date, as of 1st of the month.
    $time = eval { timelocal(0, 0, 12, 1, $m-1, $y) };
    return unless $time;	# invalid date

    # Apply delta.
    $time += $delta_d * 24*60*60 if $delta_d;

    # Convert and return.
    my @tm = localtime($time);
    @tm = (1900 + $tm[5], 1 + $tm[4], $tm[3]);
    wantarray ? @tm : sprintf("%04d-%02d-%02d", @tm);
}

push( @EXPORT, qw(parse_date) );

sub parse_date_range {
    my ($range, $default_year) = @_;

    # Parse a date and return it as an array ref of two ISO formatted
    # dates.

    my ($d1, $m1, $y1, $d2, $m2, $y2);
    my $datefix;

    $range = lc($range);

    # 2004-03-04 - 2004-05-06 -> [ "2004-03-04", "2004-05-06" ]
    if ( $range =~ /^(\d\d\d\d)-(\d\d)-(\d\d)\s*[-\/]\s*(\d\d\d\d)-(\d\d)-(\d\d)$/ ) {
	($y1, $m1, $d1, $y2, $m2, $d2) = ($1, $2, $3, $4, $5, $6);
    }
    # 2004-03-04/05-06 -> [ "2004-03-04", "2004-05-06" ]
    elsif ( $range =~ /^(\d\d\d\d)-(\d\d)-(\d\d)\s*\/\s*(\d\d)-(\d\d)$/ ) {
	($y1, $m1, $d1, $y2, $m2, $d2) = ($1, $2, $3, $1, $4, $5);
    }
    # 2004-03-04/06 -> [ "2004-03-04", "2004-03-06" ]
    elsif ( $range =~ /^(\d\d\d\d)-(\d\d)-(\d\d)\s*\/\s*(\d\d)$/ ) {
	($y1, $m1, $d1, $y2, $m2, $d2) = ($1, $2, $3, $1, $2, $4);
    }
    # 03-04-2004 - 05-06-2004 -> [ "2004-04-03", "2004-06-05" ]
    elsif ( $range =~ /^(\d\d)-(\d\d)-(\d\d\d\d)\s*-\s*(\d\d)-(\d\d)-(\d\d\d\d)$/ ) {
	($d1, $m1, $y1, $d2, $m2, $y2) = ($1, $2, $3, $4, $5, $6);
    }
    # 03-04 - 05-06 -> [ "2004-04-03", "2004-06-25" ]
    elsif ( $range =~ /^(\d\d)-(\d\d)\s*-\s*(\d\d)-(\d\d)$/ ) {
	return unless $default_year;
	($d1, $m1, $y1, $d2, $m2, $y2) = ($1, $2, $default_year, $3, $4, $default_year);
    }
    # 3 april - 5 juni -> [ "2004-04-03", "2004-06-25" ]
    # 3 april - 5 juni 2004 -> [ "2004-04-03", "2004-06-25" ]
    elsif ( $range =~ /^(\d+)\s+(\w+)\s*-\s*(\d+)\s+(\w+)(?:\s+(\d{4}))?$/ ) {
	return unless $default_year;
	return unless $m1 = $rev_month_names{$2} || $rev_months{$2};
	return unless $m2 = $rev_month_names{$4} || $rev_months{$4};
	$d1 = $1; $d2 = $3;
	$y1 = $y2 = $5 || $default_year;
    }
    # 3 april 2004 - 5 juni 2004 -> [ "2004-04-03", "2004-06-25" ]
    elsif ( $range =~ /^(\d+)\s+(\w+)\s+(\d{4})\s*-\s*(\d+)\s+(\w+)\s+(\d{4})$/ ) {
	return unless $m1 = $rev_month_names{$2} || $rev_months{$2};
	return unless $m2 = $rev_month_names{$5} || $rev_months{$5};
	$d1 = $1; $d2 = $4;
	$y1 = $3; $y2 = $6;
    }
    # april - juni -> [ "2004-04-01", "2004-06-30" ]
    # april - juni 2004 -> [ "2004-04-01", "2004-06-30" ]
    elsif ( $range =~ /^(\w+)\s*-\s*(\w+)(?:\s+(\d{4}))?$/ ) {
	return unless $default_year;
	return unless $m1 = $rev_month_names{$1} || $rev_months{$1};
	return unless $m2 = $rev_month_names{$2} || $rev_months{$2};
	$d1 = 1; $d2 = -1;
	$y1 = $y2 = $3 || $default_year;
    }
    # 2004          -> [ "2004-01-01", "2004-12-31" ]
    elsif ( $range =~ /^(\d{4})$/ ) {
	$d1 = 1; $d2 = -1; $m1 = 1; $m2 = 12; $y1 = $y2 = $1;
    }
    # k2 -> [ "2004-04-01", "2004-06-30" ]
    # k2 2004 -> [ "2004-04-01", "2004-06-30" ]
    elsif ( $range =~ /^[kq](\d+)(?:\s+(\d{4}))?$/ ) {
	return unless $2||$default_year;
	return unless $1 >= 1 && $1 <= 4;
	$m1 = 3 * $1 - 2;
	$m2 = $m1 + 2;
	$d1 = 1; $d2 = -1; $y1 = $y2 = $2 || $default_year;
    }
    # jaar          -> [ "2004-01-01", "2004-12-31" ]
    elsif ( $range eq lc(EB::_T("jaar")) || $range eq "jaar" ) {
	return unless $default_year;
	$d1 = 1; $d2 = -1; $m1 = 1; $m2 = 12; $y1 = $y2 = $default_year;
    }
    # apr | april   -> [ "2004-04-01", "2004-04-30" ]
    # apr 2004      -> [ "2004-04-01", "2004-04-30" ]
    elsif ( $range =~ /^(\w+)(?:\s+(\d{4}))?$/ ) {
	return unless $2||$default_year;
	return unless $m1 = $m2 = $rev_month_names{$1} || $rev_months{$1};
	$d1 = 1; $d2 = -1;
	$y1 = $y2 = $2 || $default_year;
    }
    else {
	return;		# unrecognizable format
    }

    if ( $d2 < 0 ) {
	$datefix = 24 * 60 * 60;
	$d2 = 1;
	$m2 = 1, $y2++ if ++$m2 > 12;
    }

    my $time1 = eval { timelocal(0, 0, 12, $d1, $m1-1, $y1) };
    return unless $time1;	# invalid date
    my $time2 = eval { timelocal(0, 0, 12, $d2, $m2-1, $y2) };
    return unless $time2;	# invalid date
    $time2 -= $datefix if $datefix;

    my @tm = localtime($time1);
    my @tm1 = (1900 + $tm[5], 1 + $tm[4], $tm[3]);
    @tm = localtime($time2);
    my @tm2 = (1900 + $tm[5], 1 + $tm[4], $tm[3]);
    [ sprintf("%04d-%02d-%02d", @tm1),
      sprintf("%04d-%02d-%02d", @tm2) ]
}

push( @EXPORT, qw(parse_date_range) );

sub iso8601date {
    my ($time) = shift || time;
    my @tm = localtime($time);
    sprintf("%04d-%02d-%02d", 1900+$tm[5], 1+$tm[4], $tm[3]);
}

push( @EXPORT, qw(iso8601date) );

sub min { $_[0] < $_[1] ? $_[0] : $_[1] }
sub max { $_[0] > $_[1] ? $_[0] : $_[1] }

push( @EXPORT, qw(min max) );

# Locale / Gettext.
# Variable expansion. See GNU gettext for details.
sub __expand($%) {
    my ($t, %args) = @_;
    my $re = join('|', map { quotemeta($_) } keys(%args));
    $t =~ s/\{($re)\}/defined($args{$1}) ? $args{$1} : "{$1}"/ge;
    $t;
}

# Translation w/ variables.
sub __x($@) {
    my ($t, %vars) = @_;
    __expand(_T($t), %vars);
}

# Translation w/ singular/plural handling.
sub __n($$$) {
    my ($sing, $plur, $n) = @_;
    _T($n == 1 ? $sing : $plur);
}

# Translation w/ singular/plural handling and variables.
sub __nx($$$@) {
    my ($sing, $plur, $n, %vars) = @_;
    __expand(__n($sing, $plur, $n), %vars);
}

# Make __xn a synonym for __nx.
*__xn = \&__nx;

# And the dummy...
sub N__($) { $_[0] };

# This is for context sensitive translations, where e.g., cmd:btw
# translates to cmd:vat and we deliver need the part after the colon.
sub __xt {
    my $t = _T($_[0]);
    $t =~ s/^.*://;
    $t;
}

# Same, without translating.
# Basically, __xt is __XN(_T($_[0])).
sub __XN {
    my $t = $_[0];
    $t =~ s/^.*://;
    $t;
}

push( @EXPORT, qw( __x __n __nx __xn N__ __xt __XN )  );

# ... more to come ...

@EXPORT_OK = @EXPORT;

1;