Filename | /Users/timbo/perl5/perlbrew/perls/perl-5.18.2/lib/5.18.2/Pod/Usage.pm |
Statements | Executed 21 statements in 1.70ms |
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1 | 1 | 1 | 3.36ms | 4.13ms | BEGIN@21 | Pod::Usage::
1 | 1 | 1 | 2.91ms | 3.15ms | BEGIN@18 | Pod::Usage::
1 | 1 | 1 | 2.75ms | 26.3ms | BEGIN@24 | Pod::Usage::
1 | 1 | 1 | 12µs | 35µs | BEGIN@11 | Pod::Usage::
1 | 1 | 1 | 8µs | 19µs | BEGIN@19 | Pod::Usage::
1 | 1 | 1 | 7µs | 20µs | BEGIN@20 | Pod::Usage::
1 | 1 | 1 | 6µs | 47µs | BEGIN@13 | Pod::Usage::
0 | 0 | 0 | 0s | 0s | _handle_element_end | Pod::Usage::
0 | 0 | 0 | 0s | 0s | begin_pod | Pod::Usage::
0 | 0 | 0 | 0s | 0s | new | Pod::Usage::
0 | 0 | 0 | 0s | 0s | pod2usage | Pod::Usage::
0 | 0 | 0 | 0s | 0s | preprocess_paragraph | Pod::Usage::
0 | 0 | 0 | 0s | 0s | select | Pod::Usage::
0 | 0 | 0 | 0s | 0s | seq_i | Pod::Usage::
0 | 0 | 0 | 0s | 0s | start_document | Pod::Usage::
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1 | ############################################################################# | ||||
2 | # Pod/Usage.pm -- print usage messages for the running script. | ||||
3 | # | ||||
4 | # Copyright (C) 1996-2000 by Bradford Appleton. All rights reserved. | ||||
5 | # This file is part of "PodParser". PodParser is free software; | ||||
6 | # you can redistribute it and/or modify it under the same terms | ||||
7 | # as Perl itself. | ||||
8 | ############################################################################# | ||||
9 | |||||
10 | package Pod::Usage; | ||||
11 | 2 | 24µs | 2 | 59µs | # spent 35µs (12+23) within Pod::Usage::BEGIN@11 which was called:
# once (12µs+23µs) by Perl::Critic::Command::BEGIN@19 at line 11 # spent 35µs making 1 call to Pod::Usage::BEGIN@11
# spent 23µs making 1 call to strict::import |
12 | |||||
13 | 2 | 33µs | 2 | 88µs | # spent 47µs (6+41) within Pod::Usage::BEGIN@13 which was called:
# once (6µs+41µs) by Perl::Critic::Command::BEGIN@19 at line 13 # spent 47µs making 1 call to Pod::Usage::BEGIN@13
# spent 41µs making 1 call to vars::import |
14 | 1 | 700ns | $VERSION = '1.61'; ## Current version of this package | ||
15 | 1 | 8µs | require 5.005; ## requires this Perl version or later | ||
16 | |||||
17 | #use diagnostics; | ||||
18 | 2 | 84µs | 2 | 3.18ms | # spent 3.15ms (2.91+237µs) within Pod::Usage::BEGIN@18 which was called:
# once (2.91ms+237µs) by Perl::Critic::Command::BEGIN@19 at line 18 # spent 3.15ms making 1 call to Pod::Usage::BEGIN@18
# spent 33µs making 1 call to Exporter::import |
19 | 2 | 20µs | 2 | 31µs | # spent 19µs (8+11) within Pod::Usage::BEGIN@19 which was called:
# once (8µs+11µs) by Perl::Critic::Command::BEGIN@19 at line 19 # spent 19µs making 1 call to Pod::Usage::BEGIN@19
# spent 11µs making 1 call to Config::import |
20 | 2 | 18µs | 2 | 32µs | # spent 20µs (7+12) within Pod::Usage::BEGIN@20 which was called:
# once (7µs+12µs) by Perl::Critic::Command::BEGIN@19 at line 20 # spent 20µs making 1 call to Pod::Usage::BEGIN@20
# spent 12µs making 1 call to Exporter::import |
21 | 2 | 143µs | 1 | 4.13ms | # spent 4.13ms (3.36+772µs) within Pod::Usage::BEGIN@21 which was called:
# once (3.36ms+772µs) by Perl::Critic::Command::BEGIN@19 at line 21 # spent 4.13ms making 1 call to Pod::Usage::BEGIN@21 |
22 | |||||
23 | 1 | 1µs | @EXPORT = qw(&pod2usage); | ||
24 | # spent 26.3ms (2.75+23.6) within Pod::Usage::BEGIN@24 which was called:
# once (2.75ms+23.6ms) by Perl::Critic::Command::BEGIN@19 at line 30 | ||||
25 | 1 | 1µs | $Pod::Usage::Formatter ||= | ||
26 | ( $] >= 5.005_58 ? 'Pod::Text' : 'Pod::PlainText'); | ||||
27 | 1 | 15µs | eval "require $Pod::Usage::Formatter";
# spent 78µs executing statements in string eval | ||
28 | 1 | 300ns | die $@ if $@; | ||
29 | 1 | 12µs | @ISA = ( $Pod::Usage::Formatter ); | ||
30 | 1 | 1.25ms | 1 | 26.3ms | }
# spent 26.3ms making 1 call to Pod::Usage::BEGIN@24 |
31 | |||||
32 | 1 | 86µs | require Pod::Select; | ||
33 | |||||
34 | ##--------------------------------------------------------------------------- | ||||
35 | |||||
36 | ##--------------------------------- | ||||
37 | ## Function definitions begin here | ||||
38 | ##--------------------------------- | ||||
39 | |||||
40 | sub pod2usage { | ||||
41 | local($_) = shift; | ||||
42 | my %opts; | ||||
43 | ## Collect arguments | ||||
44 | if (@_ > 0) { | ||||
45 | ## Too many arguments - assume that this is a hash and | ||||
46 | ## the user forgot to pass a reference to it. | ||||
47 | %opts = ($_, @_); | ||||
48 | } | ||||
49 | elsif (!defined $_) { | ||||
50 | $_ = ''; | ||||
51 | } | ||||
52 | elsif (ref $_) { | ||||
53 | ## User passed a ref to a hash | ||||
54 | %opts = %{$_} if (ref($_) eq 'HASH'); | ||||
55 | } | ||||
56 | elsif (/^[-+]?\d+$/) { | ||||
57 | ## User passed in the exit value to use | ||||
58 | $opts{'-exitval'} = $_; | ||||
59 | } | ||||
60 | else { | ||||
61 | ## User passed in a message to print before issuing usage. | ||||
62 | $_ and $opts{'-message'} = $_; | ||||
63 | } | ||||
64 | |||||
65 | ## Need this for backward compatibility since we formerly used | ||||
66 | ## options that were all uppercase words rather than ones that | ||||
67 | ## looked like Unix command-line options. | ||||
68 | ## to be uppercase keywords) | ||||
69 | %opts = map { | ||||
70 | my ($key, $val) = ($_, $opts{$_}); | ||||
71 | $key =~ s/^(?=\w)/-/; | ||||
72 | $key =~ /^-msg/i and $key = '-message'; | ||||
73 | $key =~ /^-exit/i and $key = '-exitval'; | ||||
74 | lc($key) => $val; | ||||
75 | } (keys %opts); | ||||
76 | |||||
77 | ## Now determine default -exitval and -verbose values to use | ||||
78 | if ((! defined $opts{'-exitval'}) && (! defined $opts{'-verbose'})) { | ||||
79 | $opts{'-exitval'} = 2; | ||||
80 | $opts{'-verbose'} = 0; | ||||
81 | } | ||||
82 | elsif (! defined $opts{'-exitval'}) { | ||||
83 | $opts{'-exitval'} = ($opts{'-verbose'} > 0) ? 1 : 2; | ||||
84 | } | ||||
85 | elsif (! defined $opts{'-verbose'}) { | ||||
86 | $opts{'-verbose'} = (lc($opts{'-exitval'}) eq 'noexit' || | ||||
87 | $opts{'-exitval'} < 2); | ||||
88 | } | ||||
89 | |||||
90 | ## Default the output file | ||||
91 | $opts{'-output'} = (lc($opts{'-exitval'}) eq 'noexit' || | ||||
92 | $opts{'-exitval'} < 2) ? \*STDOUT : \*STDERR | ||||
93 | unless (defined $opts{'-output'}); | ||||
94 | ## Default the input file | ||||
95 | $opts{'-input'} = $0 unless (defined $opts{'-input'}); | ||||
96 | |||||
97 | ## Look up input file in path if it doesnt exist. | ||||
98 | unless ((ref $opts{'-input'}) || (-e $opts{'-input'})) { | ||||
99 | my $basename = $opts{'-input'}; | ||||
100 | my $pathsep = ($^O =~ /^(?:dos|os2|MSWin32)$/i) ? ';' | ||||
101 | : (($^O eq 'MacOS' || $^O eq 'VMS') ? ',' : ':'); | ||||
102 | my $pathspec = $opts{'-pathlist'} || $ENV{PATH} || $ENV{PERL5LIB}; | ||||
103 | |||||
104 | my @paths = (ref $pathspec) ? @$pathspec : split($pathsep, $pathspec); | ||||
105 | for my $dirname (@paths) { | ||||
106 | $_ = File::Spec->catfile($dirname, $basename) if length; | ||||
107 | last if (-e $_) && ($opts{'-input'} = $_); | ||||
108 | } | ||||
109 | } | ||||
110 | |||||
111 | ## Now create a pod reader and constrain it to the desired sections. | ||||
112 | my $parser = new Pod::Usage(USAGE_OPTIONS => \%opts); | ||||
113 | if ($opts{'-verbose'} == 0) { | ||||
114 | $parser->select('(?:SYNOPSIS|USAGE)\s*'); | ||||
115 | } | ||||
116 | elsif ($opts{'-verbose'} == 1) { | ||||
117 | my $opt_re = '(?i)' . | ||||
118 | '(?:OPTIONS|ARGUMENTS)' . | ||||
119 | '(?:\s*(?:AND|\/)\s*(?:OPTIONS|ARGUMENTS))?'; | ||||
120 | $parser->select( '(?:SYNOPSIS|USAGE)\s*', $opt_re, "DESCRIPTION/$opt_re" ); | ||||
121 | } | ||||
122 | elsif ($opts{'-verbose'} >= 2 && $opts{'-verbose'} != 99) { | ||||
123 | $parser->select('.*'); | ||||
124 | } | ||||
125 | elsif ($opts{'-verbose'} == 99) { | ||||
126 | my $sections = $opts{'-sections'}; | ||||
127 | $parser->select( (ref $sections) ? @$sections : $sections ); | ||||
128 | $opts{'-verbose'} = 1; | ||||
129 | } | ||||
130 | |||||
131 | ## Check for perldoc | ||||
132 | my $progpath = File::Spec->catfile($Config{scriptdirexp} | ||||
133 | || $Config{scriptdir}, 'perldoc'); | ||||
134 | |||||
135 | my $version = sprintf("%vd",$^V); | ||||
136 | if ($Config{versiononly} and $Config{startperl} =~ /\Q$version\E$/ ) { | ||||
137 | $progpath .= $version; | ||||
138 | } | ||||
139 | $opts{'-noperldoc'} = 1 unless -e $progpath; | ||||
140 | |||||
141 | ## Now translate the pod document and then exit with the desired status | ||||
142 | if ( !$opts{'-noperldoc'} | ||||
143 | and $opts{'-verbose'} >= 2 | ||||
144 | and !ref($opts{'-input'}) | ||||
145 | and $opts{'-output'} == \*STDOUT ) | ||||
146 | { | ||||
147 | ## spit out the entire PODs. Might as well invoke perldoc | ||||
148 | print { $opts{'-output'} } ($opts{'-message'}, "\n") if($opts{'-message'}); | ||||
149 | if(defined $opts{-input} && $opts{-input} =~ /^\s*(\S.*?)\s*$/) { | ||||
150 | # the perldocs back to 5.005 should all have -F | ||||
151 | # without -F there are warnings in -T scripts | ||||
152 | system($progpath, '-F', $1); | ||||
153 | if($?) { | ||||
154 | # RT16091: fall back to more if perldoc failed | ||||
155 | system(($Config{pager} || $ENV{PAGER} || '/bin/more'), $1); | ||||
156 | } | ||||
157 | } else { | ||||
158 | croak "Unspecified input file or insecure argument.\n"; | ||||
159 | } | ||||
160 | } | ||||
161 | else { | ||||
162 | $parser->parse_from_file($opts{'-input'}, $opts{'-output'}); | ||||
163 | } | ||||
164 | |||||
165 | exit($opts{'-exitval'}) unless (lc($opts{'-exitval'}) eq 'noexit'); | ||||
166 | } | ||||
167 | |||||
168 | ##--------------------------------------------------------------------------- | ||||
169 | |||||
170 | ##------------------------------- | ||||
171 | ## Method definitions begin here | ||||
172 | ##------------------------------- | ||||
173 | |||||
174 | sub new { | ||||
175 | my $this = shift; | ||||
176 | my $class = ref($this) || $this; | ||||
177 | my %params = @_; | ||||
178 | my $self = {%params}; | ||||
179 | bless $self, $class; | ||||
180 | if ($self->can('initialize')) { | ||||
181 | $self->initialize(); | ||||
182 | } else { | ||||
183 | # pass through options to Pod::Text | ||||
184 | my %opts; | ||||
185 | for (qw(alt code indent loose margin quotes sentence stderr utf8 width)) { | ||||
186 | my $val = $params{USAGE_OPTIONS}{"-$_"}; | ||||
187 | $opts{$_} = $val if defined $val; | ||||
188 | } | ||||
189 | $self = $self->SUPER::new(%opts); | ||||
190 | %$self = (%$self, %params); | ||||
191 | } | ||||
192 | return $self; | ||||
193 | } | ||||
194 | |||||
195 | sub select { | ||||
196 | my ($self, @sections) = @_; | ||||
197 | if ($ISA[0]->can('select')) { | ||||
198 | $self->SUPER::select(@sections); | ||||
199 | } else { | ||||
200 | # we're using Pod::Simple - need to mimic the behavior of Pod::Select | ||||
201 | my $add = ($sections[0] eq '+') ? shift(@sections) : ''; | ||||
202 | ## Reset the set of sections to use | ||||
203 | unless (@sections) { | ||||
204 | delete $self->{USAGE_SELECT} unless ($add); | ||||
205 | return; | ||||
206 | } | ||||
207 | $self->{USAGE_SELECT} = [] | ||||
208 | unless ($add && $self->{USAGE_SELECT}); | ||||
209 | my $sref = $self->{USAGE_SELECT}; | ||||
210 | ## Compile each spec | ||||
211 | for my $spec (@sections) { | ||||
212 | my $cs = Pod::Select::_compile_section_spec($spec); | ||||
213 | if ( defined $cs ) { | ||||
214 | ## Store them in our sections array | ||||
215 | push(@$sref, $cs); | ||||
216 | } else { | ||||
217 | carp qq{Ignoring section spec "$spec"!\n}; | ||||
218 | } | ||||
219 | } | ||||
220 | } | ||||
221 | } | ||||
222 | |||||
223 | # Override Pod::Text->seq_i to return just "arg", not "*arg*". | ||||
224 | sub seq_i { return $_[1] } | ||||
225 | |||||
226 | # This overrides the Pod::Text method to do something very akin to what | ||||
227 | # Pod::Select did as well as the work done below by preprocess_paragraph. | ||||
228 | # Note that the below is very, very specific to Pod::Text. | ||||
229 | sub _handle_element_end { | ||||
230 | my ($self, $element) = @_; | ||||
231 | if ($element eq 'head1') { | ||||
232 | $self->{USAGE_HEADINGS} = [ $$self{PENDING}[-1][1] ]; | ||||
233 | if ($self->{USAGE_OPTIONS}->{-verbose} < 2) { | ||||
234 | $$self{PENDING}[-1][1] =~ s/^\s*SYNOPSIS\s*$/USAGE/; | ||||
235 | } | ||||
236 | } elsif ($element =~ /^head(\d+)$/ && $1) { # avoid 0 | ||||
237 | my $idx = $1 - 1; | ||||
238 | $self->{USAGE_HEADINGS} = [] unless($self->{USAGE_HEADINGS}); | ||||
239 | $self->{USAGE_HEADINGS}->[$idx] = $$self{PENDING}[-1][1]; | ||||
240 | } | ||||
241 | if ($element =~ /^head\d+$/) { | ||||
242 | $$self{USAGE_SKIPPING} = 1; | ||||
243 | if (!$$self{USAGE_SELECT} || !@{ $$self{USAGE_SELECT} }) { | ||||
244 | $$self{USAGE_SKIPPING} = 0; | ||||
245 | } else { | ||||
246 | my @headings = @{$$self{USAGE_HEADINGS}}; | ||||
247 | for my $section_spec ( @{$$self{USAGE_SELECT}} ) { | ||||
248 | my $match = 1; | ||||
249 | for (my $i = 0; $i < $Pod::Select::MAX_HEADING_LEVEL; ++$i) { | ||||
250 | $headings[$i] = '' unless defined $headings[$i]; | ||||
251 | my $regex = $section_spec->[$i]; | ||||
252 | my $negated = ($regex =~ s/^\!//); | ||||
253 | $match &= ($negated ? ($headings[$i] !~ /${regex}/) | ||||
254 | : ($headings[$i] =~ /${regex}/)); | ||||
255 | last unless ($match); | ||||
256 | } # end heading levels | ||||
257 | if ($match) { | ||||
258 | $$self{USAGE_SKIPPING} = 0; | ||||
259 | last; | ||||
260 | } | ||||
261 | } # end sections | ||||
262 | } | ||||
263 | |||||
264 | # Try to do some lowercasing instead of all-caps in headings, and use | ||||
265 | # a colon to end all headings. | ||||
266 | if($self->{USAGE_OPTIONS}->{-verbose} < 2) { | ||||
267 | local $_ = $$self{PENDING}[-1][1]; | ||||
268 | s{([A-Z])([A-Z]+)}{((length($2) > 2) ? $1 : lc($1)) . lc($2)}ge; | ||||
269 | s/\s*$/:/ unless (/:\s*$/); | ||||
270 | $_ .= "\n"; | ||||
271 | $$self{PENDING}[-1][1] = $_; | ||||
272 | } | ||||
273 | } | ||||
274 | if ($$self{USAGE_SKIPPING} && $element !~ m/^over-/) { | ||||
275 | pop @{ $$self{PENDING} }; | ||||
276 | } else { | ||||
277 | $self->SUPER::_handle_element_end($element); | ||||
278 | } | ||||
279 | } | ||||
280 | |||||
281 | # required for Pod::Simple API | ||||
282 | sub start_document { | ||||
283 | my $self = shift; | ||||
284 | $self->SUPER::start_document(); | ||||
285 | my $msg = $self->{USAGE_OPTIONS}->{-message} or return 1; | ||||
286 | my $out_fh = $self->output_fh(); | ||||
287 | print $out_fh "$msg\n"; | ||||
288 | } | ||||
289 | |||||
290 | # required for old Pod::Parser API | ||||
291 | sub begin_pod { | ||||
292 | my $self = shift; | ||||
293 | $self->SUPER::begin_pod(); ## Have to call superclass | ||||
294 | my $msg = $self->{USAGE_OPTIONS}->{-message} or return 1; | ||||
295 | my $out_fh = $self->output_handle(); | ||||
296 | print $out_fh "$msg\n"; | ||||
297 | } | ||||
298 | |||||
299 | sub preprocess_paragraph { | ||||
300 | my $self = shift; | ||||
301 | local $_ = shift; | ||||
302 | my $line = shift; | ||||
303 | ## See if this is a heading and we arent printing the entire manpage. | ||||
304 | if (($self->{USAGE_OPTIONS}->{-verbose} < 2) && /^=head/) { | ||||
305 | ## Change the title of the SYNOPSIS section to USAGE | ||||
306 | s/^=head1\s+SYNOPSIS\s*$/=head1 USAGE/; | ||||
307 | ## Try to do some lowercasing instead of all-caps in headings | ||||
308 | s{([A-Z])([A-Z]+)}{((length($2) > 2) ? $1 : lc($1)) . lc($2)}ge; | ||||
309 | ## Use a colon to end all headings | ||||
310 | s/\s*$/:/ unless (/:\s*$/); | ||||
311 | $_ .= "\n"; | ||||
312 | } | ||||
313 | return $self->SUPER::preprocess_paragraph($_); | ||||
314 | } | ||||
315 | |||||
316 | 1 | 4µs | 1; # keep require happy | ||
317 | |||||
318 | __END__ |