UPDATES:
Expanded test case with wrong markup to be ignored
- markup inside word
- wrong pairs like *fail_
> to call tf() recursively in the /e evaled replacement part
seems to work well, see sub rec
use strict;
use warnings;
use Data::Dump qw/pp dd/;
use Test::More;
my $wiki =
'_/one *two*/ th/ree_ null _/f*ur *five*/ six_ null _/se_ven *eig
+ht*/ nine_ *fail_';
my $expected =
'<u><i>one <b>two</b></i> th/ree</u> null <u><i>f*ur <b>five</b></
+i> six</u> null <u><i>se_ven <b>eight</b></i> nine</u> *fail_';
my $pre = qr/(^|\s|>)/;
my $post = qr/($|\s|<)/;
my %h = (
'*' => 'b' ,
'/' => 'i' ,
'_' => 'u' ,
);
sub tf { s{ $pre ([_*/]) (.*?) \2 (?=$post)}{$1<$h{$2}>$3</$h{$2}>}xg
+};
$_=$wiki;
my $DBG = 0;
diag "IN <= '$wiki'\n\n" if $DBG;
for my $i (1..3) {
tf();
diag "$i: '$_'\n\n" if $DBG;
}
is($_,$expected,"repeated replace");
my $rec_level=0;
sub rec {
my ($txt) = @_;
my $DBG = 1;
diag ++$rec_level ."< $txt" if $DBG;
$txt =~
s{
$pre ([_*/]) (.*?) \2 (?=$post)
}{
my $tag = $h{$2};
"$1<$tag>" . rec($3). "</$tag>"
}xge;
diag $rec_level-- . "> $txt\n" if $DBG;
return $txt;
}
my $got_rec = rec($wiki);
is($got_rec,$expected,"recursive replace");
done_testing;
ok 1 - repeated replace
# 1< _/one *two*/ th/ree_ null _/f*ur *five*/ six_ null _/se_ven *eight*/ nine_ *fail_
# 2< /one *two*/ th/ree
# 3< one *two*
# 4< two
# 4> two
# 3> one two
# 2> one two th/ree
# 2< /f*ur *five*/ six
# 3< f*ur *five*
# 4< five
# 4> five
# 3> f*ur five
# 2> f*ur five six
# 2< /se_ven *eight*/ nine
# 3< se_ven *eight*
# 4< eight
# 4> eight
# 3> se_ven eight
# 2> se_ven eight nine
# 1> one two th/ree null f*ur five six null se_ven eight nine *fail_
ok 2 - recursive replace
1..2
Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
Read Where should I post X? if you're not absolutely sure you're posting in the right place.
Please read these before you post! —
Posts may use any of the Perl Monks Approved HTML tags:
- a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
|
For: |
|
Use: |
| & | | & |
| < | | < |
| > | | > |
| [ | | [ |
| ] | | ] |
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.
|
|