PNG
IHDR x sBIT|d pHYs + tEXtSoftware www.inkscape.org< ,tEXtComment
File Manager
File Manager
Viewing File: ParseLink.pm
# Parse an L<> formatting code in POD text.
#
# This module implements parsing of the text of an L<> formatting code as
# defined in perlpodspec. It should be suitable for any POD formatter. It
# exports only one function, parselink(), which returns the five-item parse
# defined in perlpodspec.
#
# SPDX-License-Identifier: GPL-1.0-or-later OR Artistic-1.0-Perl
##############################################################################
# Modules and declarations
##############################################################################
package Pod::ParseLink;
use 5.008;
use strict;
use warnings;
use vars qw(@EXPORT @ISA $VERSION);
use Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(parselink);
$VERSION = '4.14';
##############################################################################
# Implementation
##############################################################################
# Parse the name and section portion of a link into a name and section.
sub _parse_section {
my ($link) = @_;
$link =~ s/^\s+//;
$link =~ s/\s+$//;
# If the whole link is enclosed in quotes, interpret it all as a section
# even if it contains a slash.
return (undef, $1) if ($link =~ /^"\s*(.*?)\s*"$/);
# Split into page and section on slash, and then clean up quoting in the
# section. If there is no section and the name contains spaces, also
# guess that it's an old section link.
my ($page, $section) = split (/\s*\/\s*/, $link, 2);
$section =~ s/^"\s*(.*?)\s*"$/$1/ if $section;
if ($page && $page =~ / / && !defined ($section)) {
$section = $page;
$page = undef;
} else {
$page = undef unless $page;
$section = undef unless $section;
}
return ($page, $section);
}
# Infer link text from the page and section.
sub _infer_text {
my ($page, $section) = @_;
my $inferred;
if ($page && !$section) {
$inferred = $page;
} elsif (!$page && $section) {
$inferred = '"' . $section . '"';
} elsif ($page && $section) {
$inferred = '"' . $section . '" in ' . $page;
}
return $inferred;
}
# Given the contents of an L<> formatting code, parse it into the link text,
# the possibly inferred link text, the name or URL, the section, and the type
# of link (pod, man, or url).
sub parselink {
my ($link) = @_;
$link =~ s/\s+/ /g;
my $text;
if ($link =~ /\|/) {
($text, $link) = split (/\|/, $link, 2);
}
if ($link =~ /\A\w+:[^:\s]\S*\Z/) {
my $inferred;
if (defined ($text) && length ($text) > 0) {
return ($text, $text, $link, undef, 'url');
} else {
return ($text, $link, $link, undef, 'url');
}
} else {
my ($name, $section) = _parse_section ($link);
my $inferred;
if (defined ($text) && length ($text) > 0) {
$inferred = $text;
} else {
$inferred = _infer_text ($name, $section);
}
my $type = ($name && $name =~ /\(\S*\)/) ? 'man' : 'pod';
return ($text, $inferred, $name, $section, $type);
}
}
##############################################################################
# Module return value and documentation
##############################################################################
# Ensure we evaluate to true.
1;
__END__
=for stopwords
markup Allbery URL
=head1 NAME
Pod::ParseLink - Parse an LE<lt>E<gt> formatting code in POD text
=head1 SYNOPSIS
use Pod::ParseLink;
my $link = get_link();
my ($text, $inferred, $name, $section, $type) = parselink($link);
=head1 DESCRIPTION
This module only provides a single function, parselink(), which takes the
text of an LE<lt>E<gt> formatting code and parses it. It returns the
anchor text for the link (if any was given), the anchor text possibly
inferred from the name and section, the name or URL, the section if any,
and the type of link. The type will be one of C<url>, C<pod>, or C<man>,
indicating a URL, a link to a POD page, or a link to a Unix manual page.
Parsing is implemented per L<perlpodspec>. For backward compatibility,
links where there is no section and name contains spaces, or links where the
entirety of the link (except for the anchor text if given) is enclosed in
double-quotes are interpreted as links to a section (LE<lt>/sectionE<gt>).
The inferred anchor text is implemented per L<perlpodspec>:
L<name> => L<name|name>
L</section> => L<"section"|/section>
L<name/section> => L<"section" in name|name/section>
The name may contain embedded EE<lt>E<gt> and ZE<lt>E<gt> formatting codes,
and the section, anchor text, and inferred anchor text may contain any
formatting codes. Any double quotes around the section are removed as part
of the parsing, as is any leading or trailing whitespace.
If the text of the LE<lt>E<gt> escape is entirely enclosed in double
quotes, it's interpreted as a link to a section for backward
compatibility.
No attempt is made to resolve formatting codes. This must be done after
calling parselink() (since EE<lt>E<gt> formatting codes can be used to
escape characters that would otherwise be significant to the parser and
resolving them before parsing would result in an incorrect parse of a
formatting code like:
L<verticalE<verbar>barE<sol>slash>
which should be interpreted as a link to the C<vertical|bar/slash> POD page
and not as a link to the C<slash> section of the C<bar> POD page with an
anchor text of C<vertical>. Note that not only the anchor text will need to
have formatting codes expanded, but so will the target of the link (to deal
with EE<lt>E<gt> and ZE<lt>E<gt> formatting codes), and special handling of
the section may be necessary depending on whether the translator wants to
consider markup in sections to be significant when resolving links. See
L<perlpodspec> for more information.
=head1 AUTHOR
Russ Allbery <rra@cpan.org>
=head1 COPYRIGHT AND LICENSE
Copyright 2001, 2008, 2009, 2014, 2018-2019 Russ Allbery <rra@cpan.org>
This program is free software; you may redistribute it and/or modify it
under the same terms as Perl itself.
=head1 SEE ALSO
L<Pod::Parser>
The current version of this module is always available from its web site at
L<https://www.eyrie.org/~eagle/software/podlators/>.
=cut
# Local Variables:
# copyright-at-end-flag: t
# End:
b IDATxytVսϓ22 A@IR :hCiZ[v*E:WũZA ^dQeQ @ !jZ'>gsV仿$|?g)&x-E IENT ; @x T.i%-X} SvS5.r/ UHz^_$-W" w)Ɗ/ @Z &IoX P$K} JzX:;` &, ŋui,e6mX
Եr Kb1ԗ) D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A ݀!I*]R;I2$eZ#ORZSrr 6mteffu*((Pu'v{ DIߔ4^pIm '77WEEE;vƎ 4- $]'RI{\I&G :IHJ
DWBB=\WRm
o$K(V 9 ABB.}jѢv `^?IOȅ} ڶmG }T#FJ`5 6$- ھ}FI&v;0(h; Б 38CӧOWf!; A
i:F _m9s&|q%=# wZprrrla
A & P\\СC[A#! { olF}
`E2} MK/vV )i{ 4BffV\|ۭX `b@kɶ@%i$K z5zhmX [IXZ ` 'b%$r5 M4º /l
ԃ ߖ xhʔ)[@=}
K6IM}^ 5k㏷݆z
ΗÿO:gdGBmyT/@+Vɶ纽zl.yit뭷zV 0[Y^>Wsqs}\/@$(T7f.Inݺi R$푔n.~?H))\Z RW'Mo~v
Ov6oԃ xz! S,&xm/yɞԟ?'uaSѽb, 8GלKboi&3 t7Y,)JJ c[nzӳdE&KsZLӄ I ?@ & %ӟ۶mSMMњ0 iؐSZ, |J+N
~,0A 0!5%Q-YQQa 3 }$_vVr f9f?S 8` z D A D A D A D A D A D A D A D A D A dqP,تmMmg 1V?rSI꒟]u|l
RCyEf٢9 jURbztѰ!m5~tGj2DhG*{H9)꒟ר3:(+3\?/;TUݭʴ~S6lڧUJ*i$d(#=Yݺd{,p|3B)) q:vN0Y.jkק6;SɶVzHJJЀ-utѹսk>QUU \~]fFnK?&ߡ5b=z9)^|u_k-[ y%ZNU6 7Mi:]ۦ tk[n
X(e6 Bb."8cۭ|~teuuw|ήI-5"~Uk;ZicEmN/:]M>
cQ^uiƞ??Ң pc# TUU3UakNwA`:Y_V-8.KKfRi tv*
9S6ֿj,ՃNOMߤ]z^fOh|<>@Å5 _/Iu?{SY4hK/2]4%it5q]GGe2%iR|
W&f*^]??vq[LgE_3f}Fxu~}qd-ږFxu~I N >\;͗O֊:̗WJ@ Bh W=y|GgwܷH_NY?)Tdi'?խwhlmQi !SUUsw4kӺe4rfxu-[nHtMFj}H_u~w>)oV}(T'ebʒv3_[+vn @Ȭ\S}ot}w=k HFnxg S 0eޢm~l}uqZfF oZuuEg
`zt~? b;t%>WTkķh[ 2eG8LIWx,^\thrl^Ϊ{=dž<}qV@ ⠨Wy^LF_>0UkD uʫuCs$)I v:IK; 6ֲ4{^6 եm+l 3>݆uM 9u ?>Zc }g~qhKwڭ e FMM~pМuqǿz6Tb@8 @Y|jx](^]gf}M"tG
-w.@ vOqh~/HII` S[l.6nØXL9vU cOoB\xoǤ'T&I ǍQw_wpv[kmO{w~>#=P1Pɞa-we:iǏlHo꒟f9SzH?+shk%Fs:q VhqY `jvO'ρ?PyX3lх]˾uV{ݞ]1,MzYNW~̈́ joYn}ȚF߾mS]F z+EDxm/d{F{-W-4wY듏:??_gPf
^3ecg ҵs8R2מz@TA NGj)}CNi/R~}c:5{! ZHӋӾ6}T] G]7W6^n
9*,YqOZj :P?Q D FL|?-^.Ɵ7}fFhxe2Ps cz1&5\cn[=Vn[ĶE鎀uˌd3GII k;lNmشOuuRVfBE]ۣe Ӷu
:X-[(er4~LHi6:Ѻ@ԅr ST0 trk%$Č0 ez" *z " T/X9|8.C5Feg} C Q%͞ˣJvL/? j^ h & 9xF`њZ( & yF&Iݻfg #W;3^{Wo^4'v V[[K';+mӍִ] AC @ W?1^{එyh +^]fm~iԵ] AB @WTk̏t uR?l.OIHiYyԶ] Aˀ 7c:q}ힽaf6Z~қm(+sK4{^6}T *UUu]n.:kx{:2 _m=sAߤU@? Z-Vކе z왍Nэ{|5 pڶn b
p-@sPg]0G7fy-M{GCF'%{4` =$-Ge\ eU:m+Zt'WjO!OAF @ik&t݆ϥ_
e}=]" Wz_.͜E3leW Fih|t-wZۍ-uw=6 YN {6|} | *={Ѽn.S .z1z jۻTH]흾 D uDvmvK .` V]yY~sI@t?/ϓ. m&[ " +P?MzovVЫG3- G RR[(!!\_,^%?v@ ҵő
m`Y)tem8GM x.))A]Y i`ViW`?^~! S#^+ѽGZj?Vģ 0.))AlzL*]OXrY `DBBLOj{-MH'ii-ϰ ok7^
)쭡b]UXSְmռY|5 *cֽk0B7镹%ڽP# 8nȎq}mJr23_>lE5$iwui+ H~F`IjƵ@q
\ @#qG 0" . 0" l ` . 0! , AQHN6qzkKJ#o;`Xv2>,tێJJ7Z/*A .@fفjMzkg @TvZH3Zxu6Ra'%O?/d Q5x YkU]Rֽkق@ DaS^RSּ5|BeHNN͘p
HvcYcC5:y
#`οb; z2 .!kr}gUWkyZn=f Pvsn3p~;4p˚=ē~NmI] ¾ 0lH[_L hs h_ ғߤc_њe c) g 7VIZ5 yrgk̞W#IjӪv>՞y睝M8[ |]\շ 8M 6%|@P ZڨI-m>=k= 'aiRo-x?>Q. }`Ȏ:Wsmu u >
.@,&;+!!˱tﭧD QwRW\vF\~Q7>sp Yw$%A~;~}6 ¾ g &if_=j,v+U L1(tW ake:@Ș>j$Gq2t7S?vL|]u/ .(0 E 6Mk6hiۺzښOrifޱxm/Gx> Lal%%~{lBsR4* }{0Z/ tNIɚpV ^# Lf:u@k#RSu
=S^ZyuR/.@n&z~B=0eg뺆#,Þ[ B/?H uUf7y
Wy}Bwegל`Wh(||`l`.;Ws?V@" c:iɍL֯PGv6zctM̠':wuW;d=;EveD}9J@ B(0iհ bvP1{\P&G7DIy_$-Q jm~Yrr&]CDv%bh|Yzni _ R ;kg}nJOIIwy uL}{ЌNj}:+3Y?:WJ/N+Rzd=hb;dj͒suݔ@NKMԄ jqzC5 @y°hL m;*5ezᕏ=ep
XL n?מ:r`۵tŤZ|1v`V뽧_csج'ߤ%oTuumk%%%h)uy]Nk[n
'b2 l.=͜E%gf$[c;s:V-͞WߤWh-j7]4=F-X]>ZLSi[Y*We; Zan(Ӈ W|e(HNNP5[=
r4tP
&0< pc# `vTNV
GFqvTi * Tyam$ߏWyE* VJKMTfFw >'$-ؽ.Ho.8c"@ D A D A D A D A D A D A D A D A D A~j*֘, N;Pi3599h=g oض L giJ5փy~}&Zd9 p֚
e:|hL``b/d9 p? fgg+%%hMg Xosج, ΩOl0Zh=x djL mhݻo O [g_l, 8a]٭+ӧ0 $I] c]:粹:Teꢢ"5a^Kgh,&= =՟ ^߶ߢE ܹS J}I%:8
IDAT~,9/ʃ PW'Mo }zNƍ쨓zPb NZ~^z=4mswg;5 Y~SVMR XUյڱRf?s:w
; 6H:º i 5 -maM &O3; 1IKeam Zh͛7+##v+c ~u~ca] GnF'ټL~ PPPbn
v oC 4R,ӟgg %hq} @#M4IÇ Oy^xM Zx
) yO w @HkN˖-Sǎ mb]X@n+i͖ !++K3gd\$mt$^ YfJ \8PRF )77Wא!Cl $i: @@_oG I{$# 8磌ŋ9 1A (Im7 ֭>}ߴJq7ޗt^ -[ԩSj*}%]&'
- ɓ'ꫯVzzvB#; a
7@GxI{jƌ.LÇWBB7 `O"I$ /@R @ eee@۷ >}0 ,ɒ2$53Xs|cS~r pTYYY} k Hc %&k.], @ A D A D A D A D A D A D A D A D A @lT<%''*Lo^={رc5h %$+CnܸQ3fҥK}vUVVs9G
R,_{ xˇ3 o߾;TTTd}馛]uuuG~iԩ@4 bnvmvfϞ /Peeeq}}z a
I~,誫{UWW뮻}_~YƍSMMMYχ ֝waw \ ď cxꩧtEƍկ_?۷5@u ?1kNׯWzz/wy>}zj3 k (ٺu q_Zvf̘:~ AB Q&r| ! %KҥKg Ԟ={<_X-z ! CyFUUz~ AB QIIIjݺW $ UXXDٳZ~ AB QƍecW $<(~<RSSvZujjjԧO ZQu@4 8m&&&jԩg $ ď 1h ͟?_{768@ g
=@ `)))5o6m 3 ) ѣƌJ;wҿUTT /KZR{~a=@ 0o<*狔iFɶ[ˎ ;T]] OX@ ?K.ۈxN p p p p p p p p p p p p p p p p pP fl߾] ,{ｧk۶mڿo5 BTӦMӴiӴ|r D B2e |An!D y'tkΝ[A $***t5'
" !駟oaD nΝ:t֭[gD ШQ0 6qD;@ x M6v( PiizmZ 4ew" @ ̴ixf [~-F ٱc&IZ 2|n!?$ @{[HTɏ #@h Ȏ I# _m (F /6Z3 z'\r, r!;w2Z3j=~G Y 7"I$i I. p_" ? p N` y D D ?: _ G ÿa b7 J ! Bx @0 Bo
cG @`1C [ @0G
@`0C _ u V1 aC X > W ` | `! < S `" <. `# c `? cA C 4
? c p# ~ @0 ?: 0 8& _ M Q1 J h# ? /` 7; I q 7 a w Q A 1 H p
! #< 8/# @1Ul7 =S=K.4Z?E _$i@ ! 1!E 4? ` P_ @B ă 1 0# : " aU,xb F Y1
[n |n
#' v EH:`x b
# v D 4 Y hi.i& EΖv# O H 4IŶ}:Ik h @tZRF # (tXҙzZ ? I3l7 q@õ|ۍ 1,GpuY Ꮿ@ hJv# x xk$
v# 9 5 }_$ c S#=+"K {F*m7`# %H:NRS p6I?sIՖ{Ap$I$I:QRv2$Z @UJ*$]<FO4 IENDB`