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package MDK::Common::String;
use vars qw(@ISA %EXPORT_TAGS @EXPORT_OK);
@ISA = qw(Exporter);
@EXPORT_OK = qw(bestMatchSentence formatList formatError formatTimeRaw formatLines formatAlaTeX warp_text);
%EXPORT_TAGS = (all => [ @EXPORT_OK ]);
# count the number of character that match
sub bestMatchSentence {
my $best = -1;
my $bestSentence;
my @s = split /\W+/, shift;
foreach (@_) {
my $count = 0;
foreach my $e (@s) {
$count+= length ($e) if /^$e$/;
$count+= length ($e) if /^$e$/i;
$count+= length ($e) if /$e/;
$count+= length ($e) if /$e/i;
}
$best = $count, $bestSentence = $_ if $count > $best;
}
wantarray ? ($bestSentence, $best) : $bestSentence;
}
sub formatList {
my $nb = shift;
join(", ", @_ <= $nb ? @_ : (@_[0..$nb-1], '...'));
}
sub formatError {
my ($err) = @_;
$err =~ s/ at .*?$/\./ if !$::testing;
$err;
}
sub formatTimeRaw {
my ($s, $m, $h) = gmtime($_[0]);
sprintf "%d:%02d:%02d", $h, $m, $s;
}
sub formatLines {
my ($t, $tmp);
foreach (split "\n", $_[0]) {
if (/^\s/) {
$t .= "$tmp\n";
$tmp = $_;
} else {
$tmp = ($tmp ? "$tmp " : ($t && "\n") . $tmp) . $_;
}
}
"$t$tmp\n";
}
sub formatAlaTeX {
my ($t, $tmp);
foreach (split "\n", $_[0]) {
if (/^$/) {
$t .= ($t && "\n") . $tmp;
$tmp = '';
} else {
$tmp = ($tmp && "$tmp ") . (/^\s*(.*?)\s*$/)[0];
}
}
$t . ($t && $tmp && "\n") . $tmp;
}
sub warp_text {
my ($text, $width) = @_;
$width ||= 80;
my @l;
foreach (split "\n", $text) {
my $t = '';
foreach (split /\s+/, $_) {
if (length "$t $_" > $width) {
push @l, $t;
$t = $_;
} else {
$t = "$t $_";
}
}
push @l, $t;
}
@l;
}
1;
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