1 |
package Frey::Web; |
2 |
use Moose::Role; |
3 |
|
4 |
with 'Frey::Session'; |
5 |
|
6 |
use Frey::Types; |
7 |
|
8 |
#use Continuity::Widget::DomNode; |
9 |
use Data::Dump qw/dump/; |
10 |
use Carp qw/confess cluck carp/; |
11 |
use File::Slurp; |
12 |
|
13 |
use Frey::Bookmarklet; |
14 |
use Frey::Class::Browser; |
15 |
use Frey::INC; |
16 |
|
17 |
use Frey::SVK; |
18 |
|
19 |
use Text::Tabs; # expand, unexpand |
20 |
|
21 |
our @head; |
22 |
sub head { @head } |
23 |
|
24 |
has 'request_url' => ( |
25 |
is => 'rw', |
26 |
isa => 'Uri', coerce => 1, |
27 |
required => 1, |
28 |
default => sub { |
29 |
carp "undefined request_url"; |
30 |
'/'; |
31 |
}, |
32 |
); |
33 |
|
34 |
has 'title' => ( |
35 |
is => 'rw', |
36 |
isa => 'Str', |
37 |
lazy => 1, |
38 |
default => sub { |
39 |
my ($self) = @_; |
40 |
ref($self); |
41 |
}, |
42 |
); |
43 |
|
44 |
has 'content_type' => ( |
45 |
is => 'rw', |
46 |
isa => 'Str', |
47 |
default => 'text/html', |
48 |
documentation => 'Content-type header', |
49 |
); |
50 |
|
51 |
has 'dump_max_bytes' => ( |
52 |
is => 'rw', |
53 |
isa => 'Int', |
54 |
default => 4096, |
55 |
documentation => 'maximum dump size sent to browser before truncation', |
56 |
); |
57 |
|
58 |
has 'inline_smaller_than' => ( |
59 |
is => 'rw', |
60 |
isa => 'Int', |
61 |
default => 10240, |
62 |
documentation => 'inline JavaScript and CSS to reduce round-trips', |
63 |
); |
64 |
|
65 |
has 'html_dump_width' => ( |
66 |
documentation => 'crop longer lines in dumps', |
67 |
is => 'rw', |
68 |
isa => 'Int', |
69 |
# required => 1, # FIXME we can't have required fields with defaults because Frey::Action isn't smart enough and asks for them |
70 |
default => 250, |
71 |
); |
72 |
|
73 |
my %escape = ('<'=>'<', '>'=>'>', '&'=>'&', '"'=>'"'); |
74 |
my $escape_re = join '|' => keys %escape; |
75 |
|
76 |
sub html_escape { |
77 |
my ( $self, $html ) = @_; |
78 |
$html =~ s/($escape_re)/$escape{$1}/g; |
79 |
return $html; |
80 |
} |
81 |
|
82 |
sub html_dump { |
83 |
my ( $self, $dump ) = @_; |
84 |
$dump = dump( $dump ) if ref($dump); |
85 |
my $width = $self->html_dump_width; |
86 |
$dump =~ s{(\n[^\n]{$width})([^\n]+?)([^\n]{5})}{\n$1...$3}gs; |
87 |
$dump = $self->html_escape( $dump ); |
88 |
$dump =~ s{\Q...\E}{…}gs; |
89 |
# $dump =~ $self->html_links( $dump ); # FIXME include this |
90 |
return "<code>$dump</code>"; |
91 |
} |
92 |
|
93 |
sub popup { my $self = shift; $self->popup_dropdown('popup', @_); } |
94 |
sub dropdown { my $self = shift; $self->popup_dropdown('dropdown', @_); } |
95 |
|
96 |
our $re_html = qr{<(?:!--.+?--|(\w+).+?/\1|[^>]+/?)>}s; # relaxed html check for one semi-valid tag |
97 |
|
98 |
sub popup_dropdown { |
99 |
my ( $self, $type, $name, $content, $full ) = @_; |
100 |
|
101 |
$content = $self->html_dump($content) if ref $content; |
102 |
|
103 |
$content = qq|<span>$content</span>| unless $content =~ m{^\s*<(span|a|code).+?/\1>\s*}; |
104 |
|
105 |
$content =~ s{<span>(<code>[^<]+</code>)</span>}{$1} && $self->TODO("code wrapped in span"); |
106 |
|
107 |
warn "## $type [$name] = ", length( $content ), " bytes"; # if $self->debug; # FIXME |
108 |
|
109 |
if ( $name =~ m{::} && $name !~ $re_html ) { |
110 |
return qq|<a class="frey-$type" target="$name" href="/$name">$name $content</a>\n|; |
111 |
} elsif ( $name =~ s{^\s*(<a)\s+}{$1 class="frey-$type"} ) { |
112 |
return qq|$name $content\n|; |
113 |
} else { |
114 |
return qq|<span class="frey-$type">$name $content</span>\n|; |
115 |
} |
116 |
} |
117 |
|
118 |
sub _inline_path { |
119 |
my ( $self, $path ) = @_; |
120 |
-s $path < $self->inline_smaller_than; |
121 |
} |
122 |
|
123 |
sub _head_html { |
124 |
my $self = shift; |
125 |
my $out = ''; |
126 |
foreach my $path ( @head ) { |
127 |
$path =~ s!^/!!; |
128 |
if ( $path =~ m/\.js$/ ) { |
129 |
$out .= $self->_inline_path( $path ) ? |
130 |
qq|<script type="text/javascript">\n/* inline $path */\n\n| . read_file($path) . qq|\n</script>| : |
131 |
qq|<script type="text/javascript" src="/$path"></script>|; |
132 |
} elsif ( $path =~ m/\.css$/ ) { |
133 |
$out .= $self->_inline_path( $path ) ? |
134 |
qq|<style type="text/css">\n/* inline $path */\n\n| . read_file( $path ) . qq|\n</style>| : |
135 |
qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|; |
136 |
} elsif ( $path =~ m{<.+>}s ) { |
137 |
$out .= $path; |
138 |
} else { |
139 |
confess "don't know how to render $path"; |
140 |
} |
141 |
$out .= "\n"; |
142 |
} |
143 |
return $out; |
144 |
} |
145 |
|
146 |
=head2 add_head |
147 |
|
148 |
$o->add_head( 'path/to/external.js' ); |
149 |
|
150 |
my $size = $o->add_head( 'path/to/external.css' ); |
151 |
|
152 |
$o->add_head( '<!-- html content -->' ); |
153 |
|
154 |
=cut |
155 |
|
156 |
sub add_head { |
157 |
my ( $self, $path ) = @_; |
158 |
return if ! defined $path || $path eq ''; |
159 |
$path =~ s!^/!!; |
160 |
|
161 |
if ( $path =~ $re_html ) { |
162 |
push @head, $path; |
163 |
} elsif ( -e $path ) { |
164 |
if ( $path =~ m/\.(?:js|css)$/ ) { |
165 |
push @head, $path; |
166 |
} else { |
167 |
confess "can't add_head( $path ) it's not js or css"; |
168 |
} |
169 |
return -s $path; |
170 |
} else { |
171 |
confess "can't find $path: $!"; |
172 |
} |
173 |
|
174 |
} |
175 |
|
176 |
sub add_css { |
177 |
my ($self,$css) = @_; |
178 |
my ( $package, $path, $line ) = caller; |
179 |
$self->add_head( qq| |
180 |
<style type="text/css"> |
181 |
/* via $package at $path line $line */ |
182 |
$css |
183 |
</style> |
184 |
| ); |
185 |
} |
186 |
|
187 |
sub add_js { |
188 |
my ($self,$css) = @_; |
189 |
my ( $package, $path, $line ) = caller; |
190 |
$self->add_head( qq| |
191 |
<script type="text/javascript"> |
192 |
/* via $package at $path line $line */ |
193 |
$css |
194 |
</script> |
195 |
| ); |
196 |
} |
197 |
|
198 |
our $reload_counter = 0; |
199 |
|
200 |
|
201 |
=head2 page |
202 |
|
203 |
$self->page( |
204 |
title => 'page title', |
205 |
head => '<!-- optional head markup -->', |
206 |
body => '<b>Page Body</b>', |
207 |
); |
208 |
|
209 |
=cut |
210 |
|
211 |
our @status; |
212 |
sub status { @status }; |
213 |
|
214 |
our $icon_html; |
215 |
|
216 |
sub page { |
217 |
my $self = shift; |
218 |
my $a = {@_}; |
219 |
|
220 |
warn "## page ",dump($a); |
221 |
|
222 |
$reload_counter++; |
223 |
|
224 |
my $status_line = ''; |
225 |
|
226 |
foreach my $part ( @status ) { |
227 |
foreach my $name ( keys %$part ) { |
228 |
$status_line .= $self->popup( $name, $part->{$name} ); |
229 |
} |
230 |
} |
231 |
|
232 |
my $url = $self->request_url; |
233 |
$url =~ s{\?reload=\d+}{}; |
234 |
|
235 |
my $body = $a->{body}; |
236 |
if ( ! $body ) { |
237 |
my $run = $a->{run} || 'as_markup'; |
238 |
warn "# no body, invoke $self->$run on ", ref($self); |
239 |
eval { |
240 |
$body = $self->$run; |
241 |
}; |
242 |
$body = $self->error( $@, '' ) if $@; |
243 |
} |
244 |
if ( $self->content_type !~ m{html} ) { |
245 |
warn "# return only $self body ", $self->content_type; |
246 |
return $body |
247 |
} elsif ( ! defined $body ) { |
248 |
warn "# no body"; |
249 |
$body = '<!-- no body -->'; |
250 |
} |
251 |
|
252 |
$status_line .= $self->warnings_html; |
253 |
|
254 |
my ($exit,$description) = ('exit','stop server'); |
255 |
($exit,$description) = ('restart','restart server') |
256 |
if $ENV{FREY_RESTART}; # tune labels on exit link |
257 |
|
258 |
my $right = |
259 |
qq| |
260 |
<span class="right"> |
261 |
<a title="reload $url" href="/reload$url">reload</a> |
262 |
<a title="$description" href="/exit$url" target="exit">$exit</a> |
263 |
</span> |
264 |
|; |
265 |
|
266 |
my $svk = Frey::SVK->new; |
267 |
my $info = $svk->info; |
268 |
my $revision = $svk->info->{Revision} || ''; |
269 |
$revision = $1 if $info->{'Mirrored From'} =~ m{Rev\.\s+(\d+)}; |
270 |
|
271 |
$self->add_icon unless $icon_html; |
272 |
|
273 |
my $html = join("\n", |
274 |
qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|, |
275 |
$self->_head_html, |
276 |
'<title>' . ( $self->title || $a->{title} || ref($self) ) . '</title>', |
277 |
'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">', |
278 |
( $icon_html || '<!-- no icon -->' ), |
279 |
( $a->{head} || '' ), |
280 |
qq| |
281 |
</head><body> |
282 |
$body |
283 |
<div class="frey-status-line"> |
284 |
<a href="/">Frey</a> $Frey::VERSION $revision |
285 |
$status_line |
286 |
$right |
287 |
</div> |
288 |
</body></html> |
289 |
|, |
290 |
); |
291 |
|
292 |
warn "## >>> page ",length($html), " bytes\n" if $self->debug; |
293 |
|
294 |
return $html; |
295 |
} |
296 |
|
297 |
=head2 editor |
298 |
|
299 |
Create HTML editor link with optional line and title |
300 |
|
301 |
my $html = $self->editor( $class, $line, $title ); |
302 |
|
303 |
=cut |
304 |
|
305 |
sub editor { |
306 |
my ( $self, $class, $line, $title ) = @_; |
307 |
confess "need class" unless $class; |
308 |
if ( ! defined $title ) { |
309 |
$title = "edit $class"; |
310 |
$title .= " line $line" if $line; |
311 |
} |
312 |
$line ||= 1; |
313 |
qq|<a target="editor" href="/editor+$class+$line"| . |
314 |
( $title ? qq| title="$title"| : '' ) . |
315 |
qq|>$class</a>|; |
316 |
} |
317 |
|
318 |
=head2 html_links |
319 |
|
320 |
Create HTML links to editor for perl error message |
321 |
|
322 |
my $html = $self->html_links( $error ) |
323 |
|
324 |
=cut |
325 |
|
326 |
sub html_links { |
327 |
my ( $self, $error ) = @_; |
328 |
|
329 |
$error = $self->strip_full_path( $error ); |
330 |
|
331 |
# $error =~ s[(bless\({\s+.+?\s+},\s+)("[^"]+")(\) at)][<span class="frey-dropdown">$1<code>$2</code>$3</span>]gs; # FIXME insert bless hiding back |
332 |
|
333 |
# perl's backtrace |
334 |
$error =~ s{at\s+(\S+)\s+line\s+(\d+)} |
335 |
{at <a target="editor" href="/editor+$1+$2" title="vi $1 +$2">$1</a> line $2}gsm; |
336 |
|
337 |
$error =~ s{(via (?:package)\s+"?)([\w:]+)("?)} |
338 |
{$1<a target="$2" href="/$2" title="introspect $2">$2</a>$3}gsm |
339 |
|| # or anything that looks like "Class::Name" |
340 |
$error =~ s{"(\w+(?:::\w+)+)"} |
341 |
{"<a target="$1" href="/$1" title="introspect $1">$1</a>"}gsm; |
342 |
|
343 |
# method error messages |
344 |
# FIXME replace with link to Frey::Introspect data |
345 |
$error =~ s{(method ")(\w+)(" via)} |
346 |
{$1<a target="$2" href="/Frey::Shell::Grep/as_markup?pattern=$2" title="grep $2">$2</a>$3}gsm; |
347 |
|
348 |
# link paths to editor |
349 |
$error =~ s{((?:lib|t)/[\S]+)\s+(\d+\s+bytes)} |
350 |
{<a target="editor" href="/editor+$1+1" title="vi $1 [$2]">$1</a>}gsm; |
351 |
|
352 |
$error =~ s{(class ")([\w:]+)(")} |
353 |
{$1<a target="$2" href="/$2" title="introspect $2">$2</a>$3}gsm; |
354 |
|
355 |
return $error; |
356 |
} |
357 |
|
358 |
=head2 error |
359 |
|
360 |
This method will return error to browser and backtrace unless |
361 |
error message ends with LF C<\n> just like L<warn> |
362 |
|
363 |
=cut |
364 |
|
365 |
sub error { |
366 |
my $self = shift; |
367 |
my $error = join(" ", @_); |
368 |
|
369 |
my $fatal = ''; |
370 |
|
371 |
if ( $error !~ m{\n$} ) { |
372 |
if ( my @backtrace = $self->backtrace ) { |
373 |
$error .= "\n\t" . join( "\n\t", @backtrace ); |
374 |
$fatal = qq| frey-fatal|; |
375 |
} |
376 |
} |
377 |
|
378 |
warn "ERROR: $error\n"; |
379 |
return |
380 |
qq|<pre class="frey-error$fatal">| |
381 |
. $self->html_links( $error ) . |
382 |
qq|</pre>| |
383 |
; |
384 |
} |
385 |
|
386 |
=head1 Status line |
387 |
|
388 |
=head2 add_status |
389 |
|
390 |
$self->add_status( { name => { some => 'data' } } ); |
391 |
|
392 |
$self->add_status( "append to last status popup" ); |
393 |
|
394 |
=cut |
395 |
|
396 |
sub add_status { |
397 |
my ( $self, $data ) = @_; |
398 |
push @status, { 'X' => [ $self->backtrace ] }; |
399 |
if ( ref($data) ) { |
400 |
push @status, $data; |
401 |
} else { |
402 |
if ( defined $status[ $#status ] ) { |
403 |
$status[ $#status ]->{ '+' } = $data; |
404 |
} else { |
405 |
push @status, { '+' => $data }; |
406 |
} |
407 |
} |
408 |
} |
409 |
|
410 |
=head2 clean_status |
411 |
|
412 |
Called at beginning of each request |
413 |
|
414 |
$self->clean_status; |
415 |
|
416 |
=cut |
417 |
|
418 |
sub clean_status { |
419 |
my ($self) = shift; |
420 |
@head = ( 'static/frey.css' ); |
421 |
@status = ( |
422 |
{ 'ClassBrowser' => Frey::Class::Browser->new( usage_sort => 1, usage_on_top => 0 )->as_markup }, |
423 |
{ 'Bookmarklets' => Frey::Bookmarklet->new->as_markup }, |
424 |
{ 'INC' => Frey::INC->new->as_markup }, |
425 |
); |
426 |
$icon_html = ''; |
427 |
} |
428 |
|
429 |
=head2 status_parts |
430 |
|
431 |
Dump all status line parts |
432 |
|
433 |
$self->status_parts |
434 |
|
435 |
=cut |
436 |
|
437 |
sub status_parts { |
438 |
warn "## status parts ", dump( map { keys %$_ } @status ); |
439 |
} |
440 |
|
441 |
=for debug |
442 |
|
443 |
sub DEMOLISH { |
444 |
my ( $self ) = @_; |
445 |
warn "## $self DEMOLISH status ", $#status + 1, " elements ", dump( map { keys %$_ } @status ) if @status; |
446 |
} |
447 |
|
448 |
=cut |
449 |
|
450 |
=head2 add_icon |
451 |
|
452 |
Frey::Foo->add_icon; # /static/icons/Frey/Foo.png |
453 |
Frey::Foo->add_icon('warning'); # /static/icons/Frey/Foo/warning.png |
454 |
|
455 |
=cut |
456 |
|
457 |
sub icon_path { |
458 |
my ($self,$class,$variant) = @_; |
459 |
my $icon = $class; |
460 |
$icon ||= $self->title; |
461 |
$icon =~ s{::}{/}g; |
462 |
$icon .= "/$variant" if $variant; |
463 |
my $path = 'static/icons/' . $icon . '.png'; |
464 |
if ( -e $path ) { |
465 |
warn "# $class from $self icon_path $path" if $self->debug; |
466 |
return $path; |
467 |
} else { |
468 |
$self->TODO( "add $path icon for $class" ); |
469 |
return undef; |
470 |
} |
471 |
} |
472 |
|
473 |
sub add_icon { |
474 |
my ($self,$variant) = @_; |
475 |
|
476 |
my $class = ref($self); |
477 |
$class = $self->class if $self->can('class'); |
478 |
my $icon_path = $self->icon_path( $class, $variant ) || return; |
479 |
|
480 |
$icon_html .= qq|<link rel="icon" type="image/png" href="/$icon_path">|; |
481 |
warn "# using icon $icon_path"; |
482 |
|
483 |
=for later |
484 |
|
485 |
# FIXME http://en.wikipedia.org/wiki/Favicon suggest just rel="icon" but that doesn't seem to work! |
486 |
my $ico_path = $icon_path; |
487 |
$ico_path =~ s{png$}{ico}; |
488 |
if ( ! -e $ico_path ) { |
489 |
system "convert $icon_path $ico_path"; |
490 |
warn "# convert $icon_path $ico_path : $@"; |
491 |
} |
492 |
$icon_html .= qq|<link rel="shortcut icon" type="image/x-icon" href="/$ico_path">| if -e $ico_path; |
493 |
|
494 |
=cut |
495 |
|
496 |
} |
497 |
|
498 |
my $warn_colors = { |
499 |
'#' => '#444', |
500 |
'##' => '#888', |
501 |
}; |
502 |
|
503 |
my $multiline_markers = { |
504 |
'(' => ')', |
505 |
'{' => '}', |
506 |
'[' => ']', |
507 |
'"' => '"', |
508 |
}; |
509 |
|
510 |
=for later |
511 |
|
512 |
my $multiline_re = '[\\' . join('\\', keys %$multiline_markers ) . ']'; |
513 |
warn "## multiline markers ", dump( $multiline_markers ), " -> $multiline_re"; |
514 |
|
515 |
=cut |
516 |
|
517 |
sub log_path { |
518 |
$Frey::Bootstrap::log_path || die "no log_path?"; |
519 |
} |
520 |
|
521 |
our $pwd = `pwd`; |
522 |
chomp $pwd; |
523 |
|
524 |
sub strip_full_path { |
525 |
my ($self, $msg) = @_; |
526 |
# Mojo seems to expand warn messages to full path which is annoying |
527 |
$msg =~ s{/[^/]+/\.\./}{/}gs; |
528 |
$msg =~ s{$pwd/*}{}gs; |
529 |
return $msg; |
530 |
} |
531 |
|
532 |
our $last_log_pos = 0; |
533 |
our $last_log_line = 0; |
534 |
|
535 |
sub warnings_html { |
536 |
my ($self,$level) = shift; |
537 |
$level ||= $self->debug, |
538 |
my $path = $self->log_path; |
539 |
|
540 |
my $max = 30; |
541 |
my $pos = 0; |
542 |
my @warnings = ( '' x $max ); # XXX circualar buffer for 50 lines |
543 |
my $line = $last_log_line; |
544 |
my $multiline_end; |
545 |
|
546 |
# XXX do we really want to do this every time? |
547 |
my $css = qq|/* short css classes for levels */\n|; |
548 |
my $level_to_class; |
549 |
foreach ( keys %$warn_colors ) { |
550 |
my $l = length($_); |
551 |
my $class = 'l' . $l; |
552 |
$css .= qq|.$class { color: $warn_colors->{$_} }\n|; |
553 |
$level_to_class->{ $_ } = $class; |
554 |
} |
555 |
$self->add_css( $css ); |
556 |
|
557 |
open(my $log, '<', $path) || die "can't open $path: $!"; |
558 |
seek($log, $last_log_pos, 0) || warn "can't seek: $!"; |
559 |
while(<$log>) { |
560 |
chomp; |
561 |
$line++; |
562 |
|
563 |
next if m{^\s+(Mojo|Class::MOP|Moose)::}; |
564 |
|
565 |
my $style = ''; |
566 |
|
567 |
=for filter |
568 |
|
569 |
if ( $multiline_end ) { |
570 |
if ( m{^\Q$multiline_end\E} || m{^\s.+\Q$multiline_end\E;$} ) { |
571 |
# warn "## $line end of $multiline_end in '$_'\n"; |
572 |
undef $multiline_end; |
573 |
} else { |
574 |
# warn "## $line skipped\n"; |
575 |
} |
576 |
} elsif ( m{^(#*)\s+} ) { |
577 |
my $l = $1 ? length($1) : 0; |
578 |
if ( $l > $level ) { |
579 |
undef $multiline_end; |
580 |
$multiline_end = $multiline_markers->{$1} if m{($multiline_re)$}; |
581 |
# warn "## $line start $1 .. $multiline_end level $l > $level for '$_'\n" if $multiline_end; |
582 |
next; |
583 |
} |
584 |
|
585 |
=cut |
586 |
if ( m{^(#*)} ) { |
587 |
|
588 |
my $level = $1; |
589 |
my $msg = $self->strip_full_path( $_ ); |
590 |
|
591 |
my $spacer = ' '; |
592 |
my $real_msg = expand( $msg ); |
593 |
if ( length($real_msg) > $self->html_dump_width ) { |
594 |
|
595 |
$real_msg = substr( $msg, 0, $self->html_dump_width ); |
596 |
$msg = unexpand( $real_msg ); |
597 |
$spacer = '…' |
598 |
} |
599 |
|
600 |
$msg = $self->html_escape( $msg ); |
601 |
|
602 |
if ( my $class = $level_to_class->{ $level } ) { |
603 |
$msg = qq|<span class="$class">$msg</span>|; |
604 |
} |
605 |
|
606 |
#$msg .= $spacer . qq|<a target="editor" href="/editor+$path+$line" style="float: right;">$line</a>\n|; |
607 |
$msg = qq|<a target="editor" href="/editor+$path+$line" style="float: right;">$line</a>$msg| |
608 |
. ( $spacer ? $spacer : '' ) |
609 |
. "\n"; # XXX <pre> needs this |
610 |
|
611 |
$warnings[ $pos++ % $max ] = $msg; |
612 |
} |
613 |
} |
614 |
$last_log_pos = tell($log); |
615 |
$last_log_line = $line; |
616 |
warn "log has $line lines tell position $last_log_pos"; |
617 |
close($log) || die "can't close $path: $!"; |
618 |
|
619 |
my $size = -s $path; |
620 |
|
621 |
my $warnings = join("", |
622 |
map { $warnings[ ( $pos + $_ ) % $max ] || '' } 0 .. ( $max - 1 ) |
623 |
); |
624 |
|
625 |
my $s = length($warnings); |
626 |
|
627 |
return |
628 |
# need to wrap editor link into span so we can have links in warnings |
629 |
qq|<span class="frey-popup"><a target="editor" href="/editor+$path+$line" title="$path \| $size -> $s bytes \| $line -> $pos lines \| level $level">warn</a><code>| |
630 |
. $self->html_links( $warnings ) |
631 |
. qq|</code></span>| |
632 |
; |
633 |
} |
634 |
|
635 |
|
636 |
=head2 backtrace |
637 |
|
638 |
Show backtrace with links to editor |
639 |
|
640 |
my @backtrace = $self->backtrace; |
641 |
|
642 |
=cut |
643 |
|
644 |
sub backtrace { |
645 |
my ($self) = @_; |
646 |
|
647 |
my @backtrace; |
648 |
foreach ( 0 .. 5 ) { |
649 |
my ( |
650 |
$package,$path,$line |
651 |
# subroutine hasargs |
652 |
# wantarray evaltext is_require |
653 |
# hints bitmask hinthash |
654 |
) = caller($_) or last; |
655 |
|
656 |
push @backtrace, |
657 |
qq|via "$package" at $path line $line|; |
658 |
} |
659 |
#warn "# backtrace: ", dump( @backtrace ) if @backtrace; |
660 |
return @backtrace; |
661 |
} |
662 |
|
663 |
=head2 checkbox |
664 |
|
665 |
Generate checkbox html markup from some attribute |
666 |
|
667 |
my $html = $self->checkbox('attribute_name', $value); |
668 |
|
669 |
=cut |
670 |
|
671 |
sub checkbox { |
672 |
my ($self,$name,$value) = @_; |
673 |
my $checked = ''; |
674 |
my $all_checkboxes = eval { $self->$name }; |
675 |
warn "ERROR tried to get checkbox value for '$name' which is unknown: $@" if $@; |
676 |
$all_checkboxes = [ $all_checkboxes ] unless ref($all_checkboxes) eq 'ARRAY'; # sigh, too chatty |
677 |
$checked = ' checked' if grep { defined $_ && $_ eq $value } @$all_checkboxes; |
678 |
warn "# checkbox $name $value $checked\t", $self->dump( $self->$name ); |
679 |
qq|<input name="$name" value="$value" type="checkbox"$checked>|; |
680 |
} |
681 |
|
682 |
=head2 strip |
683 |
|
684 |
Strip whitespace around content |
685 |
|
686 |
my $stripped = strip(' no more whitespace around this '); |
687 |
|
688 |
=cut |
689 |
|
690 |
sub strip { |
691 |
my $t = shift; |
692 |
$t =~ s{^\s+}{}gs; |
693 |
$t =~ s{>\s+<}{><}gs; |
694 |
$t =~ s{\s+$}{}gs; |
695 |
return $t; |
696 |
} |
697 |
|
698 |
1; |