/[Frey]/branches/zimbardo/lib/Frey/Web.pm
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Revision 813 - (hide annotations)
Thu Dec 11 21:06:41 2008 UTC (15 years, 4 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web.pm
File size: 16113 byte(s)
allow paths for add_js
1 dpavlin 100 package Frey::Web;
2     use Moose::Role;
3    
4 dpavlin 564 with 'Frey::Session';
5    
6 dpavlin 388 use Frey::Types;
7    
8 dpavlin 564 #use Continuity::Widget::DomNode;
9 dpavlin 100 use Data::Dump qw/dump/;
10 dpavlin 653 use Carp qw/confess cluck carp/;
11 dpavlin 161 use File::Slurp;
12 dpavlin 100
13 dpavlin 410 use Frey::Bookmarklet;
14 dpavlin 793 use Frey::Class::Browser;
15 dpavlin 540 use Frey::INC;
16    
17 dpavlin 505 use Frey::SVK;
18 dpavlin 410
19 dpavlin 611 use Text::Tabs; # expand, unexpand
20    
21 dpavlin 578 our @head;
22 dpavlin 584 sub head { @head }
23 dpavlin 121
24 dpavlin 392 has 'request_url' => (
25 dpavlin 388 is => 'rw',
26     isa => 'Uri', coerce => 1,
27 dpavlin 625 required => 1,
28 dpavlin 627 default => sub {
29 dpavlin 653 carp "undefined request_url";
30 dpavlin 627 '/';
31     },
32 dpavlin 388 );
33    
34 dpavlin 418 has 'title' => (
35     is => 'rw',
36     isa => 'Str',
37     lazy => 1,
38     default => sub {
39     my ($self) = @_;
40     ref($self);
41     },
42     );
43    
44 dpavlin 448 has 'content_type' => (
45     is => 'rw',
46     isa => 'Str',
47     default => 'text/html',
48 dpavlin 476 documentation => 'Content-type header',
49 dpavlin 448 );
50    
51 dpavlin 476 has 'dump_max_bytes' => (
52     is => 'rw',
53     isa => 'Int',
54     default => 4096,
55 dpavlin 543 documentation => 'maximum dump size sent to browser before truncation',
56 dpavlin 476 );
57    
58 dpavlin 161 has 'inline_smaller_than' => (
59     is => 'rw',
60     isa => 'Int',
61     default => 10240,
62 dpavlin 543 documentation => 'inline JavaScript and CSS to reduce round-trips',
63 dpavlin 161 );
64    
65 dpavlin 543 has 'html_dump_width' => (
66     documentation => 'crop longer lines in dumps',
67 dpavlin 535 is => 'rw',
68     isa => 'Int',
69 dpavlin 543 # required => 1, # FIXME we can't have required fields with defaults because Frey::Action isn't smart enough and asks for them
70 dpavlin 634 default => 250,
71 dpavlin 535 );
72    
73     my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
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 dpavlin 543 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}{&hellip;}gs;
89 dpavlin 682 # $dump =~ $self->html_links( $dump ); # FIXME include this
90 dpavlin 543 return "<code>$dump</code>";
91 dpavlin 535 }
92    
93 dpavlin 546 sub popup { my $self = shift; $self->popup_dropdown('popup', @_); }
94     sub dropdown { my $self = shift; $self->popup_dropdown('dropdown', @_); }
95    
96 dpavlin 791 our $re_html = qr{<(?:!--.+?--|(\w+).+?/\1|[^>]+/?)>}s; # relaxed html check for one semi-valid tag
97 dpavlin 546
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 dpavlin 581 $content =~ s{<span>(<code>[^<]+</code>)</span>}{$1} && $self->TODO("code wrapped in span");
106    
107 dpavlin 591 warn "## $type [$name] = ", length( $content ), " bytes"; # if $self->debug; # FIXME
108 dpavlin 546
109     if ( $name =~ m{::} && $name !~ $re_html ) {
110     return qq|<a class="frey-$type" target="$name" href="/$name">$name $content</a>\n|;
111 dpavlin 588 } elsif ( $name =~ s{^\s*(<a)\s+}{$1 class="frey-$type"} ) {
112     return qq|$name $content\n|;
113 dpavlin 546 } else {
114     return qq|<span class="frey-$type">$name $content</span>\n|;
115     }
116     }
117    
118 dpavlin 161 sub _inline_path {
119     my ( $self, $path ) = @_;
120     -s $path < $self->inline_smaller_than;
121     }
122    
123 dpavlin 156 sub _head_html {
124     my $self = shift;
125 dpavlin 121 my $out = '';
126 dpavlin 577 foreach my $path ( @head ) {
127 dpavlin 121 $path =~ s!^/!!;
128 dpavlin 156 if ( $path =~ m/\.js$/ ) {
129 dpavlin 161 $out .= $self->_inline_path( $path ) ?
130 dpavlin 600 qq|<script type="text/javascript">\n/* inline $path */\n\n| . read_file($path) . qq|\n</script>| :
131 dpavlin 161 qq|<script type="text/javascript" src="/$path"></script>|;
132 dpavlin 156 } elsif ( $path =~ m/\.css$/ ) {
133 dpavlin 161 $out .= $self->_inline_path( $path ) ?
134 dpavlin 600 qq|<style type="text/css">\n/* inline $path */\n\n| . read_file( $path ) . qq|\n</style>| :
135 dpavlin 161 qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
136 dpavlin 446 } elsif ( $path =~ m{<.+>}s ) {
137 dpavlin 444 $out .= $path;
138 dpavlin 156 } else {
139     confess "don't know how to render $path";
140     }
141 dpavlin 163 $out .= "\n";
142 dpavlin 121 }
143     return $out;
144     }
145 dpavlin 100
146 dpavlin 154 =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 dpavlin 445 $o->add_head( '<!-- html content -->' );
153    
154 dpavlin 154 =cut
155    
156     sub add_head {
157     my ( $self, $path ) = @_;
158     return if ! defined $path || $path eq '';
159     $path =~ s!^/!!;
160    
161 dpavlin 546 if ( $path =~ $re_html ) {
162 dpavlin 577 push @head, $path;
163 dpavlin 444 } elsif ( -e $path ) {
164 dpavlin 156 if ( $path =~ m/\.(?:js|css)$/ ) {
165 dpavlin 577 push @head, $path;
166 dpavlin 154 } else {
167     confess "can't add_head( $path ) it's not js or css";
168     }
169 dpavlin 444 return -s $path;
170 dpavlin 154 } else {
171     confess "can't find $path: $!";
172     }
173    
174     }
175    
176 dpavlin 577 sub add_css {
177     my ($self,$css) = @_;
178     my ( $package, $path, $line ) = caller;
179     $self->add_head( qq|
180     <style type="text/css">
181 dpavlin 581 /* via $package at $path line $line */
182 dpavlin 577 $css
183     </style>
184     | );
185     }
186    
187 dpavlin 764 sub add_js {
188 dpavlin 813 my ($self,$js) = @_;
189 dpavlin 764 my ( $package, $path, $line ) = caller;
190 dpavlin 813
191     if ( $js =~ m{http.*\.js} ) {
192     $self->add_head( qq|
193     <script type="text/javascript" src="$js">
194     /* via $package at $path line $line */
195     </script>
196     |);
197     } else {
198     $self->add_head( qq|
199     <script type="text/javascript">
200     /* via $package at $path line $line */
201     $js
202     </script>
203     | );
204     };
205 dpavlin 764 }
206    
207 dpavlin 142 our $reload_counter = 0;
208    
209 dpavlin 183
210     =head2 page
211    
212     $self->page(
213     title => 'page title',
214     head => '<!-- optional head markup -->',
215     body => '<b>Page Body</b>',
216     );
217    
218     =cut
219    
220 dpavlin 519 our @status;
221     sub status { @status };
222    
223 dpavlin 527 our $icon_html;
224    
225 dpavlin 121 sub page {
226 dpavlin 100 my $self = shift;
227 dpavlin 121 my $a = {@_};
228 dpavlin 100
229 dpavlin 519 warn "## page ",dump($a);
230    
231 dpavlin 142 $reload_counter++;
232    
233 dpavlin 388 my $status_line = '';
234 dpavlin 519
235     foreach my $part ( @status ) {
236 dpavlin 388 foreach my $name ( keys %$part ) {
237 dpavlin 537 $status_line .= $self->popup( $name, $part->{$name} );
238 dpavlin 388 }
239     }
240    
241 dpavlin 439 my $url = $self->request_url;
242     $url =~ s{\?reload=\d+}{};
243    
244 dpavlin 460 my $body = $a->{body};
245 dpavlin 591 if ( ! $body ) {
246     my $run = $a->{run} || 'as_markup';
247 dpavlin 611 warn "# no body, invoke $self->$run on ", ref($self);
248 dpavlin 671 eval {
249     $body = $self->$run;
250     };
251 dpavlin 674 $body = $self->error( $@, '' ) if $@;
252 dpavlin 591 }
253 dpavlin 460 if ( $self->content_type !~ m{html} ) {
254     warn "# return only $self body ", $self->content_type;
255     return $body
256     } elsif ( ! defined $body ) {
257     warn "# no body";
258     $body = '<!-- no body -->';
259     }
260 dpavlin 448
261 dpavlin 532 $status_line .= $self->warnings_html;
262 dpavlin 482
263 dpavlin 477 my ($exit,$description) = ('exit','stop server');
264     ($exit,$description) = ('restart','restart server')
265     if $ENV{FREY_RESTART}; # tune labels on exit link
266    
267 dpavlin 473 my $right =
268     qq|
269     <span class="right">
270 dpavlin 519 <a title="reload $url" href="/reload$url">reload</a>
271 dpavlin 644 <a title="$description" href="/exit$url" target="exit">$exit</a>
272 dpavlin 473 </span>
273     |;
274    
275 dpavlin 653 my $svk = Frey::SVK->new;
276 dpavlin 577 my $info = $svk->info;
277     my $revision = $svk->info->{Revision} || '';
278 dpavlin 516 $revision = $1 if $info->{'Mirrored From'} =~ m{Rev\.\s+(\d+)};
279 dpavlin 505
280 dpavlin 527 $self->add_icon unless $icon_html;
281 dpavlin 524
282 dpavlin 388 my $html = join("\n",
283     qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|,
284     $self->_head_html,
285 dpavlin 418 '<title>' . ( $self->title || $a->{title} || ref($self) ) . '</title>',
286 dpavlin 388 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
287 dpavlin 527 ( $icon_html || '<!-- no icon -->' ),
288 dpavlin 388 ( $a->{head} || '' ),
289     qq|
290 dpavlin 448 </head><body>
291     $body
292 dpavlin 388 <div class="frey-status-line">
293 dpavlin 505 <a href="/">Frey</a> $Frey::VERSION $revision
294 dpavlin 388 $status_line
295 dpavlin 473 $right
296 dpavlin 210 </div>
297     </body></html>
298 dpavlin 388 |,
299     );
300 dpavlin 100
301 dpavlin 121 warn "## >>> page ",length($html), " bytes\n" if $self->debug;
302 dpavlin 100
303 dpavlin 121 return $html;
304 dpavlin 100 }
305    
306 dpavlin 480 =head2 editor
307    
308     Create HTML editor link with optional line and title
309    
310     my $html = $self->editor( $class, $line, $title );
311    
312     =cut
313    
314     sub editor {
315     my ( $self, $class, $line, $title ) = @_;
316     confess "need class" unless $class;
317 dpavlin 519 if ( ! defined $title ) {
318     $title = "edit $class";
319     $title .= " line $line" if $line;
320     }
321     $line ||= 1;
322 dpavlin 480 qq|<a target="editor" href="/editor+$class+$line"| .
323     ( $title ? qq| title="$title"| : '' ) .
324     qq|>$class</a>|;
325     }
326    
327 dpavlin 682 =head2 html_links
328 dpavlin 480
329     Create HTML links to editor for perl error message
330    
331 dpavlin 682 my $html = $self->html_links( $error )
332 dpavlin 480
333     =cut
334    
335 dpavlin 682 sub html_links {
336 dpavlin 468 my ( $self, $error ) = @_;
337    
338 dpavlin 682 $error = $self->strip_full_path( $error );
339    
340 dpavlin 591 # $error =~ s[(bless\({\s+.+?\s+},\s+)("[^"]+")(\) at)][<span class="frey-dropdown">$1<code>$2</code>$3</span>]gs; # FIXME insert bless hiding back
341    
342 dpavlin 671 # perl's backtrace
343 dpavlin 468 $error =~ s{at\s+(\S+)\s+line\s+(\d+)}
344 dpavlin 677 {at <a target="editor" href="/editor+$1+$2" title="vi $1 +$2">$1</a> line $2}gsm;
345 dpavlin 468
346 dpavlin 674 $error =~ s{(via (?:package)\s+"?)([\w:]+)("?)}
347 dpavlin 677 {$1<a target="$2" href="/$2" title="introspect $2">$2</a>$3}gsm
348     || # or anything that looks like "Class::Name"
349     $error =~ s{"(\w+(?:::\w+)+)"}
350     {"<a target="$1" href="/$1" title="introspect $1">$1</a>"}gsm;
351 dpavlin 468
352 dpavlin 671 # method error messages
353 dpavlin 677 # FIXME replace with link to Frey::Introspect data
354     $error =~ s{(method ")(\w+)(" via)}
355     {$1<a target="$2" href="/Frey::Shell::Grep/as_markup?pattern=$2" title="grep $2">$2</a>$3}gsm;
356 dpavlin 671
357 dpavlin 678 # link paths to editor
358 dpavlin 682 $error =~ s{((?:lib|t)/[\S]+)\s+(\d+\s+bytes)}
359     {<a target="editor" href="/editor+$1+1" title="vi $1 [$2]">$1</a>}gsm;
360 dpavlin 671
361 dpavlin 682 $error =~ s{(class ")([\w:]+)(")}
362     {$1<a target="$2" href="/$2" title="introspect $2">$2</a>$3}gsm;
363    
364 dpavlin 468 return $error;
365     }
366    
367 dpavlin 671 =head2 error
368    
369     This method will return error to browser and backtrace unless
370     error message ends with LF C<\n> just like L<warn>
371    
372     =cut
373    
374 dpavlin 350 sub error {
375 dpavlin 397 my $self = shift;
376     my $error = join(" ", @_);
377 dpavlin 460
378 dpavlin 671 my $fatal = '';
379 dpavlin 460
380 dpavlin 671 if ( $error !~ m{\n$} ) {
381     if ( my @backtrace = $self->backtrace ) {
382     $error .= "\n\t" . join( "\n\t", @backtrace );
383 dpavlin 685 $fatal = qq| frey-fatal|;
384 dpavlin 671 }
385     }
386    
387 dpavlin 460 warn "ERROR: $error\n";
388 dpavlin 468 return
389 dpavlin 671 qq|<pre class="frey-error$fatal">|
390 dpavlin 682 . $self->html_links( $error ) .
391 dpavlin 468 qq|</pre>|
392     ;
393 dpavlin 350 }
394    
395 dpavlin 577 =head1 Status line
396    
397     =head2 add_status
398    
399 dpavlin 581 $self->add_status( { name => { some => 'data' } } );
400 dpavlin 577
401     $self->add_status( "append to last status popup" );
402    
403     =cut
404    
405 dpavlin 507 sub add_status {
406     my ( $self, $data ) = @_;
407 dpavlin 581 push @status, { 'X' => [ $self->backtrace ] };
408 dpavlin 577 if ( ref($data) ) {
409     push @status, $data;
410     } else {
411 dpavlin 581 if ( defined $status[ $#status ] ) {
412     $status[ $#status ]->{ '+' } = $data;
413     } else {
414     push @status, { '+' => $data };
415     }
416 dpavlin 577 }
417 dpavlin 507 }
418    
419 dpavlin 577 =head2 clean_status
420    
421     Called at beginning of each request
422    
423     $self->clean_status;
424    
425     =cut
426    
427 dpavlin 519 sub clean_status {
428 dpavlin 577 my ($self) = shift;
429 dpavlin 578 @head = ( 'static/frey.css' );
430 dpavlin 581 @status = (
431 dpavlin 796 { 'ClassBrowser' => Frey::Class::Browser->new( usage_sort => 1, usage_on_top => 0 )->as_markup },
432 dpavlin 653 { 'Bookmarklets' => Frey::Bookmarklet->new->as_markup },
433     { 'INC' => Frey::INC->new->as_markup },
434 dpavlin 581 );
435 dpavlin 527 $icon_html = '';
436 dpavlin 519 }
437    
438 dpavlin 577 =head2 status_parts
439    
440     Dump all status line parts
441    
442     $self->status_parts
443    
444     =cut
445    
446 dpavlin 519 sub status_parts {
447     warn "## status parts ", dump( map { keys %$_ } @status );
448     }
449    
450 dpavlin 568 =for debug
451    
452 dpavlin 518 sub DEMOLISH {
453     my ( $self ) = @_;
454 dpavlin 529 warn "## $self DEMOLISH status ", $#status + 1, " elements ", dump( map { keys %$_ } @status ) if @status;
455 dpavlin 518 }
456    
457 dpavlin 568 =cut
458    
459 dpavlin 527 =head2 add_icon
460    
461     Frey::Foo->add_icon; # /static/icons/Frey/Foo.png
462     Frey::Foo->add_icon('warning'); # /static/icons/Frey/Foo/warning.png
463    
464     =cut
465    
466 dpavlin 529 sub icon_path {
467     my ($self,$class,$variant) = @_;
468     my $icon = $class;
469 dpavlin 725 $icon ||= $self->title;
470 dpavlin 524 $icon =~ s{::}{/}g;
471 dpavlin 529 $icon .= "/$variant" if $variant;
472     my $path = 'static/icons/' . $icon . '.png';
473     if ( -e $path ) {
474 dpavlin 577 warn "# $class from $self icon_path $path" if $self->debug;
475 dpavlin 529 return $path;
476     } else {
477 dpavlin 564 $self->TODO( "add $path icon for $class" );
478 dpavlin 529 return undef;
479     }
480     }
481 dpavlin 524
482 dpavlin 529 sub add_icon {
483     my ($self,$variant) = @_;
484 dpavlin 524
485 dpavlin 529 my $class = ref($self);
486     $class = $self->class if $self->can('class');
487     my $icon_path = $self->icon_path( $class, $variant ) || return;
488 dpavlin 524
489 dpavlin 529 $icon_html .= qq|<link rel="icon" type="image/png" href="/$icon_path">|;
490     warn "# using icon $icon_path";
491    
492 dpavlin 527 =for later
493    
494 dpavlin 529 # FIXME http://en.wikipedia.org/wiki/Favicon suggest just rel="icon" but that doesn't seem to work!
495     my $ico_path = $icon_path;
496     $ico_path =~ s{png$}{ico};
497     if ( ! -e $ico_path ) {
498     system "convert $icon_path $ico_path";
499     warn "# convert $icon_path $ico_path : $@";
500     }
501     $icon_html .= qq|<link rel="shortcut icon" type="image/x-icon" href="/$ico_path">| if -e $ico_path;
502 dpavlin 524
503 dpavlin 527 =cut
504    
505 dpavlin 524 }
506    
507 dpavlin 532 my $warn_colors = {
508     '#' => '#444',
509     '##' => '#888',
510     };
511    
512     my $multiline_markers = {
513 dpavlin 535 '(' => ')',
514 dpavlin 532 '{' => '}',
515 dpavlin 535 '[' => ']',
516 dpavlin 532 '"' => '"',
517     };
518    
519 dpavlin 671 =for later
520    
521 dpavlin 532 my $multiline_re = '[\\' . join('\\', keys %$multiline_markers ) . ']';
522     warn "## multiline markers ", dump( $multiline_markers ), " -> $multiline_re";
523    
524 dpavlin 671 =cut
525    
526 dpavlin 532 sub log_path {
527 dpavlin 629 $Frey::Bootstrap::log_path || die "no log_path?";
528 dpavlin 532 }
529    
530 dpavlin 682 our $pwd = `pwd`;
531     chomp $pwd;
532    
533     sub strip_full_path {
534     my ($self, $msg) = @_;
535     # Mojo seems to expand warn messages to full path which is annoying
536     $msg =~ s{/[^/]+/\.\./}{/}gs;
537     $msg =~ s{$pwd/*}{}gs;
538     return $msg;
539     }
540    
541 dpavlin 648 our $last_log_pos = 0;
542     our $last_log_line = 0;
543    
544 dpavlin 532 sub warnings_html {
545     my ($self,$level) = shift;
546 dpavlin 535 $level ||= $self->debug,
547 dpavlin 532 my $path = $self->log_path;
548    
549 dpavlin 611 my $max = 30;
550 dpavlin 588 my $pos = 0;
551     my @warnings = ( '' x $max ); # XXX circualar buffer for 50 lines
552 dpavlin 648 my $line = $last_log_line;
553 dpavlin 532 my $multiline_end;
554    
555 dpavlin 611 # XXX do we really want to do this every time?
556     my $css = qq|/* short css classes for levels */\n|;
557     my $level_to_class;
558     foreach ( keys %$warn_colors ) {
559     my $l = length($_);
560     my $class = 'l' . $l;
561     $css .= qq|.$class { color: $warn_colors->{$_} }\n|;
562     $level_to_class->{ $_ } = $class;
563     }
564     $self->add_css( $css );
565    
566 dpavlin 648 open(my $log, '<', $path) || die "can't open $path: $!";
567     seek($log, $last_log_pos, 0) || warn "can't seek: $!";
568 dpavlin 532 while(<$log>) {
569     chomp;
570     $line++;
571    
572 dpavlin 634 next if m{^\s+(Mojo|Class::MOP|Moose)::};
573    
574 dpavlin 532 my $style = '';
575    
576 dpavlin 588 =for filter
577    
578 dpavlin 535 if ( $multiline_end ) {
579     if ( m{^\Q$multiline_end\E} || m{^\s.+\Q$multiline_end\E;$} ) {
580 dpavlin 537 # warn "## $line end of $multiline_end in '$_'\n";
581 dpavlin 535 undef $multiline_end;
582     } else {
583 dpavlin 537 # warn "## $line skipped\n";
584 dpavlin 535 }
585     } elsif ( m{^(#*)\s+} ) {
586 dpavlin 532 my $l = $1 ? length($1) : 0;
587 dpavlin 535 if ( $l > $level ) {
588     undef $multiline_end;
589     $multiline_end = $multiline_markers->{$1} if m{($multiline_re)$};
590 dpavlin 537 # warn "## $line start $1 .. $multiline_end level $l > $level for '$_'\n" if $multiline_end;
591 dpavlin 535 next;
592     }
593 dpavlin 532
594 dpavlin 588 =cut
595 dpavlin 611 if ( m{^(#*)} ) {
596 dpavlin 588
597 dpavlin 611 my $level = $1;
598 dpavlin 682 my $msg = $self->strip_full_path( $_ );
599 dpavlin 532
600 dpavlin 535 my $spacer = ' ';
601 dpavlin 611 my $real_msg = expand( $msg );
602     if ( length($real_msg) > $self->html_dump_width ) {
603    
604     $real_msg = substr( $msg, 0, $self->html_dump_width );
605     $msg = unexpand( $real_msg );
606 dpavlin 535 $spacer = '&hellip;'
607     }
608 dpavlin 611
609     $msg = $self->html_escape( $msg );
610    
611     if ( my $class = $level_to_class->{ $level } ) {
612     $msg = qq|<span class="$class">$msg</span>|;
613     }
614    
615 dpavlin 613 #$msg .= $spacer . qq|<a target="editor" href="/editor+$path+$line" style="float: right;">$line</a>\n|;
616     $msg = qq|<a target="editor" href="/editor+$path+$line" style="float: right;">$line</a>$msg|
617     . ( $spacer ? $spacer : '' )
618     . "\n"; # XXX <pre> needs this
619 dpavlin 611
620     $warnings[ $pos++ % $max ] = $msg;
621 dpavlin 532 }
622     }
623 dpavlin 648 $last_log_pos = tell($log);
624     $last_log_line = $line;
625     warn "log has $line lines tell position $last_log_pos";
626 dpavlin 532 close($log) || die "can't close $path: $!";
627    
628 dpavlin 588 my $size = -s $path;
629    
630 dpavlin 611 my $warnings = join("",
631 dpavlin 613 map { $warnings[ ( $pos + $_ ) % $max ] || '' } 0 .. ( $max - 1 )
632 dpavlin 588 );
633    
634     my $s = length($warnings);
635    
636 dpavlin 532 return
637 dpavlin 611 # need to wrap editor link into span so we can have links in warnings
638 dpavlin 588 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>|
639 dpavlin 682 . $self->html_links( $warnings )
640 dpavlin 648 . qq|</code></span>|
641 dpavlin 532 ;
642     }
643    
644 dpavlin 543
645     =head2 backtrace
646    
647     Show backtrace with links to editor
648    
649     my @backtrace = $self->backtrace;
650    
651     =cut
652    
653     sub backtrace {
654     my ($self) = @_;
655    
656     my @backtrace;
657     foreach ( 0 .. 5 ) {
658     my (
659     $package,$path,$line
660     # subroutine hasargs
661     # wantarray evaltext is_require
662     # hints bitmask hinthash
663     ) = caller($_) or last;
664    
665     push @backtrace,
666 dpavlin 674 qq|via "$package" at $path line $line|;
667 dpavlin 543 }
668 dpavlin 591 #warn "# backtrace: ", dump( @backtrace ) if @backtrace;
669 dpavlin 543 return @backtrace;
670     }
671    
672 dpavlin 720 =head2 checkbox
673    
674     Generate checkbox html markup from some attribute
675    
676     my $html = $self->checkbox('attribute_name', $value);
677    
678     =cut
679    
680     sub checkbox {
681     my ($self,$name,$value) = @_;
682     my $checked = '';
683 dpavlin 725 my $all_checkboxes = eval { $self->$name };
684     warn "ERROR tried to get checkbox value for '$name' which is unknown: $@" if $@;
685 dpavlin 720 $all_checkboxes = [ $all_checkboxes ] unless ref($all_checkboxes) eq 'ARRAY'; # sigh, too chatty
686 dpavlin 725 $checked = ' checked' if grep { defined $_ && $_ eq $value } @$all_checkboxes;
687 dpavlin 720 warn "# checkbox $name $value $checked\t", $self->dump( $self->$name );
688     qq|<input name="$name" value="$value" type="checkbox"$checked>|;
689     }
690    
691 dpavlin 781 =head2 strip
692    
693     Strip whitespace around content
694    
695     my $stripped = strip(' no more whitespace around this ');
696    
697     =cut
698    
699     sub strip {
700     my $t = shift;
701     $t =~ s{^\s+}{}gs;
702     $t =~ s{>\s+<}{><}gs;
703     $t =~ s{\s+$}{}gs;
704     return $t;
705     }
706    
707 dpavlin 100 1;

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