/[Frey]/branches/zimbardo/lib/Frey/Web.pm
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Revision 968 - (hide annotations)
Fri Jan 9 14:52:58 2009 UTC (15 years, 2 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web.pm
File size: 17757 byte(s)
remove defunct Continuity and HTTP::Engine server [0.26]
1 dpavlin 100 package Frey::Web;
2     use Moose::Role;
3    
4 dpavlin 564 with 'Frey::Session';
5    
6 dpavlin 100 use Data::Dump qw/dump/;
7 dpavlin 653 use Carp qw/confess cluck carp/;
8 dpavlin 161 use File::Slurp;
9 dpavlin 816 use Text::Tabs; # expand, unexpand
10 dpavlin 100
11 dpavlin 816 use lib 'lib';
12    
13     use Frey::Types;
14    
15 dpavlin 410 use Frey::Bookmarklet;
16 dpavlin 793 use Frey::Class::Browser;
17 dpavlin 540 use Frey::INC;
18    
19 dpavlin 505 use Frey::SVK;
20 dpavlin 410
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 dpavlin 957 has 'wrap_in_page' => (
74     documentation => 'wrap full html page with status bar around content',
75     is => 'rw',
76     isa => 'Bool',
77     default => 1,
78     );
79    
80 dpavlin 535 my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
81     my $escape_re = join '|' => keys %escape;
82    
83     sub html_escape {
84     my ( $self, $html ) = @_;
85 dpavlin 965 return '' unless defined $html;
86 dpavlin 535 $html =~ s/($escape_re)/$escape{$1}/g;
87     return $html;
88     }
89    
90 dpavlin 945 # from Mojo::ByteStream
91     sub url_escape {
92     my ( $self, $url, $pattern ) = @_;
93     $pattern ||= 'A-Za-z0-9\-\.\_\~';
94     $url =~ s/([^$pattern])/sprintf('%%%02X',ord($1))/ge;
95     return $url;
96     }
97    
98 dpavlin 535 sub html_dump {
99 dpavlin 543 my ( $self, $dump ) = @_;
100     $dump = dump( $dump ) if ref($dump);
101     my $width = $self->html_dump_width;
102     $dump =~ s{(\n[^\n]{$width})([^\n]+?)([^\n]{5})}{\n$1...$3}gs;
103     $dump = $self->html_escape( $dump );
104     $dump =~ s{\Q...\E}{&hellip;}gs;
105 dpavlin 682 # $dump =~ $self->html_links( $dump ); # FIXME include this
106 dpavlin 543 return "<code>$dump</code>";
107 dpavlin 535 }
108    
109 dpavlin 546 sub popup { my $self = shift; $self->popup_dropdown('popup', @_); }
110     sub dropdown { my $self = shift; $self->popup_dropdown('dropdown', @_); }
111    
112 dpavlin 859 our $re_html = qr{<(?:!--|(\w+)|[^>]+)/?>}s; # relaxed html check for one semi-valid tag
113 dpavlin 546
114     sub popup_dropdown {
115     my ( $self, $type, $name, $content, $full ) = @_;
116    
117     $content = $self->html_dump($content) if ref $content;
118    
119     $content = qq|<span>$content</span>| unless $content =~ m{^\s*<(span|a|code).+?/\1>\s*};
120    
121 dpavlin 581 $content =~ s{<span>(<code>[^<]+</code>)</span>}{$1} && $self->TODO("code wrapped in span");
122    
123 dpavlin 591 warn "## $type [$name] = ", length( $content ), " bytes"; # if $self->debug; # FIXME
124 dpavlin 546
125     if ( $name =~ m{::} && $name !~ $re_html ) {
126     return qq|<a class="frey-$type" target="$name" href="/$name">$name $content</a>\n|;
127 dpavlin 588 } elsif ( $name =~ s{^\s*(<a)\s+}{$1 class="frey-$type"} ) {
128     return qq|$name $content\n|;
129 dpavlin 546 } else {
130     return qq|<span class="frey-$type">$name $content</span>\n|;
131     }
132     }
133    
134 dpavlin 865 sub _inline {
135 dpavlin 161 my ( $self, $path ) = @_;
136 dpavlin 881 return unless defined $path;
137 dpavlin 865 warn "# _inline $path";
138     -e $path && -s $path < $self->inline_smaller_than && -s $path;
139 dpavlin 161 }
140    
141 dpavlin 156 sub _head_html {
142     my $self = shift;
143 dpavlin 121 my $out = '';
144 dpavlin 577 foreach my $path ( @head ) {
145 dpavlin 121 $path =~ s!^/!!;
146 dpavlin 156 if ( $path =~ m/\.js$/ ) {
147 dpavlin 865 my $size;
148     $out .= $size = _inline( $path ) ?
149 dpavlin 857 qq|<script type="text/javascript">\n/* inline $path $size bytes */\n\n| . read_file($path) . qq|\n</script>| :
150 dpavlin 161 qq|<script type="text/javascript" src="/$path"></script>|;
151 dpavlin 156 } elsif ( $path =~ m/\.css$/ ) {
152 dpavlin 865 my $size;
153     $out .= $size = _inline( $path ) ?
154 dpavlin 857 qq|<style type="text/css">\n/* inline $path $size bytes */\n\n| . read_file( $path ) . qq|\n</style>| :
155 dpavlin 161 qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
156 dpavlin 446 } elsif ( $path =~ m{<.+>}s ) {
157 dpavlin 444 $out .= $path;
158 dpavlin 156 } else {
159     confess "don't know how to render $path";
160     }
161 dpavlin 163 $out .= "\n";
162 dpavlin 121 }
163     return $out;
164     }
165 dpavlin 100
166 dpavlin 154 =head2 add_head
167    
168     $o->add_head( 'path/to/external.js' );
169    
170     my $size = $o->add_head( 'path/to/external.css' );
171    
172 dpavlin 445 $o->add_head( '<!-- html content -->' );
173    
174 dpavlin 154 =cut
175    
176     sub add_head {
177     my ( $self, $path ) = @_;
178     return if ! defined $path || $path eq '';
179     $path =~ s!^/!!;
180    
181 dpavlin 546 if ( $path =~ $re_html ) {
182 dpavlin 577 push @head, $path;
183 dpavlin 444 } elsif ( -e $path ) {
184 dpavlin 156 if ( $path =~ m/\.(?:js|css)$/ ) {
185 dpavlin 577 push @head, $path;
186 dpavlin 154 } else {
187     confess "can't add_head( $path ) it's not js or css";
188     }
189 dpavlin 444 return -s $path;
190 dpavlin 154 } else {
191     confess "can't find $path: $!";
192     }
193    
194     }
195    
196 dpavlin 839 sub _add_css_js {
197     my ( $self, $what, $content ) = @_;
198 dpavlin 577
199 dpavlin 839 my $tag = $what eq 'css' ? 'style' : 'script';
200     my $type = $what eq 'css' ? 'text/css' : 'text/javascript';
201     my $head;
202    
203 dpavlin 838 my ( $package, $path, $line ) = caller(1);
204 dpavlin 813
205 dpavlin 922 $content = "/$content" if $content !~ m{[\n\r]} && -e $content;
206 dpavlin 908 if ( $content =~ $re_html ) {
207     $head = qq|
208     $content
209     <!-- $type via $package at $path line $line -->
210     |;
211 dpavlin 949 } elsif ( $content =~ m{^(/\w+|https?://)} && $content !~ m{[\n\r]} ) {
212 dpavlin 908 if ( $what eq 'js' ) {
213 dpavlin 839 $head = qq|
214     <$tag type="$type" src="$content">
215 dpavlin 859 /* $what via $package at $path line $line */
216 dpavlin 839 </$tag>
217     |;
218     } else {
219     $head = qq|
220     <link rel="stylesheet" type="$type" href="$content">
221 dpavlin 859 <!-- $what via $package at $path line $line -->
222 dpavlin 839 |;
223     }
224 dpavlin 813 } else {
225 dpavlin 839 $head = qq|
226 dpavlin 838 <$tag type="$type">
227 dpavlin 813 /* via $package at $path line $line */
228 dpavlin 838 $content
229     </$tag>
230 dpavlin 839 |;
231 dpavlin 813 };
232 dpavlin 839 $self->add_head( $head );
233 dpavlin 764 }
234    
235 dpavlin 838 sub add_css {
236     my ($self,$css) = @_;
237 dpavlin 839 $self->_add_css_js( 'css', $css );
238 dpavlin 838 }
239    
240     sub add_js {
241     my ($self,$js) = @_;
242 dpavlin 839 $self->_add_css_js( 'js', $js );
243 dpavlin 838 }
244    
245 dpavlin 142 our $reload_counter = 0;
246    
247 dpavlin 183
248 dpavlin 961 =head2 html_page
249 dpavlin 183
250 dpavlin 961 $self->html_page(
251 dpavlin 183 title => 'page title',
252     head => '<!-- optional head markup -->',
253     body => '<b>Page Body</b>',
254     );
255    
256     =cut
257    
258 dpavlin 519 our @status;
259     sub status { @status };
260    
261 dpavlin 527 our $icon_html;
262    
263 dpavlin 961 sub html_page {
264 dpavlin 100 my $self = shift;
265 dpavlin 121 my $a = {@_};
266 dpavlin 100
267 dpavlin 142 $reload_counter++;
268    
269 dpavlin 388 my $status_line = '';
270 dpavlin 519
271     foreach my $part ( @status ) {
272 dpavlin 388 foreach my $name ( keys %$part ) {
273 dpavlin 537 $status_line .= $self->popup( $name, $part->{$name} );
274 dpavlin 388 }
275     }
276    
277 dpavlin 439 my $url = $self->request_url;
278     $url =~ s{\?reload=\d+}{};
279    
280 dpavlin 460 my $body = $a->{body};
281 dpavlin 591 if ( ! $body ) {
282     my $run = $a->{run} || 'as_markup';
283 dpavlin 611 warn "# no body, invoke $self->$run on ", ref($self);
284 dpavlin 835 $body = $self->$run;
285 dpavlin 591 }
286 dpavlin 957 if ( $self->content_type !~ m{html} || ! $self->wrap_in_page ) {
287 dpavlin 460 warn "# return only $self body ", $self->content_type;
288     return $body
289     } elsif ( ! defined $body ) {
290     warn "# no body";
291     $body = '<!-- no body -->';
292     }
293 dpavlin 448
294 dpavlin 532 $status_line .= $self->warnings_html;
295 dpavlin 482
296 dpavlin 477 my ($exit,$description) = ('exit','stop server');
297     ($exit,$description) = ('restart','restart server')
298     if $ENV{FREY_RESTART}; # tune labels on exit link
299    
300 dpavlin 473 my $right =
301     qq|
302     <span class="right">
303 dpavlin 519 <a title="reload $url" href="/reload$url">reload</a>
304 dpavlin 644 <a title="$description" href="/exit$url" target="exit">$exit</a>
305 dpavlin 473 </span>
306     |;
307    
308 dpavlin 653 my $svk = Frey::SVK->new;
309 dpavlin 577 my $info = $svk->info;
310     my $revision = $svk->info->{Revision} || '';
311 dpavlin 516 $revision = $1 if $info->{'Mirrored From'} =~ m{Rev\.\s+(\d+)};
312 dpavlin 505
313 dpavlin 527 $self->add_icon unless $icon_html;
314 dpavlin 524
315 dpavlin 945 my $title = undef
316     || $a->{title}
317     || $self->title
318     || ref($self)
319     ;
320    
321     # $title =~ s{(\w)\w+::}{$1:}g; # XXX compress names of classes
322    
323 dpavlin 388 my $html = join("\n",
324     qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|,
325     $self->_head_html,
326 dpavlin 945 qq|<title>$title</title>|,
327 dpavlin 388 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
328 dpavlin 527 ( $icon_html || '<!-- no icon -->' ),
329 dpavlin 388 ( $a->{head} || '' ),
330     qq|
331 dpavlin 448 </head><body>
332     $body
333 dpavlin 388 <div class="frey-status-line">
334 dpavlin 505 <a href="/">Frey</a> $Frey::VERSION $revision
335 dpavlin 388 $status_line
336 dpavlin 473 $right
337 dpavlin 210 </div>
338     </body></html>
339 dpavlin 388 |,
340     );
341 dpavlin 100
342 dpavlin 121 warn "## >>> page ",length($html), " bytes\n" if $self->debug;
343 dpavlin 100
344 dpavlin 121 return $html;
345 dpavlin 100 }
346    
347 dpavlin 480 =head2 editor
348    
349     Create HTML editor link with optional line and title
350    
351     my $html = $self->editor( $class, $line, $title );
352    
353     =cut
354    
355     sub editor {
356     my ( $self, $class, $line, $title ) = @_;
357     confess "need class" unless $class;
358 dpavlin 519 if ( ! defined $title ) {
359     $title = "edit $class";
360     $title .= " line $line" if $line;
361     }
362     $line ||= 1;
363 dpavlin 480 qq|<a target="editor" href="/editor+$class+$line"| .
364     ( $title ? qq| title="$title"| : '' ) .
365     qq|>$class</a>|;
366     }
367    
368 dpavlin 682 =head2 html_links
369 dpavlin 480
370     Create HTML links to editor for perl error message
371    
372 dpavlin 682 my $html = $self->html_links( $error )
373 dpavlin 480
374     =cut
375    
376 dpavlin 682 sub html_links {
377 dpavlin 468 my ( $self, $error ) = @_;
378    
379 dpavlin 682 $error = $self->strip_full_path( $error );
380    
381 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
382    
383 dpavlin 671 # perl's backtrace
384 dpavlin 468 $error =~ s{at\s+(\S+)\s+line\s+(\d+)}
385 dpavlin 677 {at <a target="editor" href="/editor+$1+$2" title="vi $1 +$2">$1</a> line $2}gsm;
386 dpavlin 468
387 dpavlin 674 $error =~ s{(via (?:package)\s+"?)([\w:]+)("?)}
388 dpavlin 677 {$1<a target="$2" href="/$2" title="introspect $2">$2</a>$3}gsm
389     || # or anything that looks like "Class::Name"
390     $error =~ s{"(\w+(?:::\w+)+)"}
391     {"<a target="$1" href="/$1" title="introspect $1">$1</a>"}gsm;
392 dpavlin 468
393 dpavlin 671 # method error messages
394 dpavlin 677 # FIXME replace with link to Frey::Introspect data
395     $error =~ s{(method ")(\w+)(" via)}
396     {$1<a target="$2" href="/Frey::Shell::Grep/as_markup?pattern=$2" title="grep $2">$2</a>$3}gsm;
397 dpavlin 671
398 dpavlin 678 # link paths to editor
399 dpavlin 682 $error =~ s{((?:lib|t)/[\S]+)\s+(\d+\s+bytes)}
400     {<a target="editor" href="/editor+$1+1" title="vi $1 [$2]">$1</a>}gsm;
401 dpavlin 671
402 dpavlin 682 $error =~ s{(class ")([\w:]+)(")}
403     {$1<a target="$2" href="/$2" title="introspect $2">$2</a>$3}gsm;
404    
405 dpavlin 468 return $error;
406     }
407    
408 dpavlin 837 sub html_self {
409     my $self = shift;
410     my $html = $self;
411     $html =~ s{([\w:]+)=}{<a target="$1" href="/$1" title="introspect $1">$1</a>=}gsm;
412     return $html;
413     }
414    
415 dpavlin 671 =head2 error
416    
417     This method will return error to browser and backtrace unless
418     error message ends with LF C<\n> just like L<warn>
419    
420     =cut
421    
422 dpavlin 350 sub error {
423 dpavlin 397 my $self = shift;
424     my $error = join(" ", @_);
425 dpavlin 460
426 dpavlin 671 my $fatal = '';
427 dpavlin 837 my $backtrace = '';
428 dpavlin 460
429 dpavlin 671 if ( $error !~ m{\n$} ) {
430     if ( my @backtrace = $self->backtrace ) {
431 dpavlin 837 $backtrace =
432     "\n" . $self->html_self . "->error backtrace\n\t"
433     . $self->html_links( join( "\n\t", @backtrace ) )
434     ;
435 dpavlin 685 $fatal = qq| frey-fatal|;
436 dpavlin 671 }
437     }
438    
439 dpavlin 460 warn "ERROR: $error\n";
440 dpavlin 835 $self->add_icon('error');
441 dpavlin 837 $error = $self->html_links( $error );
442     return qq|<pre class="frey-error$fatal">$error $backtrace</pre>| ;
443 dpavlin 350 }
444    
445 dpavlin 577 =head1 Status line
446    
447     =head2 add_status
448    
449 dpavlin 581 $self->add_status( { name => { some => 'data' } } );
450 dpavlin 577
451     $self->add_status( "append to last status popup" );
452    
453     =cut
454    
455 dpavlin 507 sub add_status {
456     my ( $self, $data ) = @_;
457 dpavlin 939 die "no data" unless $data;
458     if ( ref $data ) {
459 dpavlin 577 push @status, $data;
460     } else {
461 dpavlin 581 if ( defined $status[ $#status ] ) {
462     $status[ $#status ]->{ '+' } = $data;
463     } else {
464     push @status, { '+' => $data };
465     }
466 dpavlin 577 }
467 dpavlin 507 }
468    
469 dpavlin 577 =head2 clean_status
470    
471     Called at beginning of each request
472    
473     $self->clean_status;
474    
475     =cut
476    
477 dpavlin 519 sub clean_status {
478 dpavlin 577 my ($self) = shift;
479 dpavlin 578 @head = ( 'static/frey.css' );
480 dpavlin 581 @status = (
481 dpavlin 796 { 'ClassBrowser' => Frey::Class::Browser->new( usage_sort => 1, usage_on_top => 0 )->as_markup },
482 dpavlin 653 { 'Bookmarklets' => Frey::Bookmarklet->new->as_markup },
483     { 'INC' => Frey::INC->new->as_markup },
484 dpavlin 581 );
485 dpavlin 527 $icon_html = '';
486 dpavlin 519 }
487    
488 dpavlin 577 =head2 status_parts
489    
490     Dump all status line parts
491    
492     $self->status_parts
493    
494     =cut
495    
496 dpavlin 519 sub status_parts {
497     warn "## status parts ", dump( map { keys %$_ } @status );
498     }
499    
500 dpavlin 568 =for debug
501    
502 dpavlin 518 sub DEMOLISH {
503     my ( $self ) = @_;
504 dpavlin 529 warn "## $self DEMOLISH status ", $#status + 1, " elements ", dump( map { keys %$_ } @status ) if @status;
505 dpavlin 518 }
506    
507 dpavlin 568 =cut
508    
509 dpavlin 527 =head2 add_icon
510    
511     Frey::Foo->add_icon; # /static/icons/Frey/Foo.png
512     Frey::Foo->add_icon('warning'); # /static/icons/Frey/Foo/warning.png
513    
514     =cut
515    
516 dpavlin 529 sub icon_path {
517     my ($self,$class,$variant) = @_;
518 dpavlin 816
519     sub icon_exists {
520     my $class = shift;
521     $class =~ s{::}{/}g;
522     $class .= "/$variant" if $variant;
523     my $icon_path = 'static/icons/' . $class . '.png';
524     return $icon_path if -e $icon_path;
525     return;
526     }
527    
528     my $path = icon_exists( $class );
529 dpavlin 819 if ( ! $path ) {
530     my $super_class = $class;
531     while ( $super_class =~ s{::[^:]+$}{} && ! $path ) {
532     $path = icon_exists( $super_class ) unless $super_class eq 'Frey'; # don't default on Frey icon
533     }
534 dpavlin 816 }
535    
536 dpavlin 819 if ( ! $path ) {
537     $self->TODO( "add icon for $class" . ( $variant ? " variant $variant" : '' ) );
538 dpavlin 529 return undef;
539     }
540 dpavlin 819
541     warn "# $class from $self icon_path $path" if $self->debug;
542     return $path;
543 dpavlin 529 }
544 dpavlin 524
545 dpavlin 529 sub add_icon {
546     my ($self,$variant) = @_;
547 dpavlin 524
548 dpavlin 835 my $class = $self->class if $self->can('class');
549     #$class ||= $self->title;
550     $class ||= ref($self);
551 dpavlin 529 my $icon_path = $self->icon_path( $class, $variant ) || return;
552 dpavlin 524
553 dpavlin 529 $icon_html .= qq|<link rel="icon" type="image/png" href="/$icon_path">|;
554     warn "# using icon $icon_path";
555    
556 dpavlin 527 =for later
557    
558 dpavlin 529 # FIXME http://en.wikipedia.org/wiki/Favicon suggest just rel="icon" but that doesn't seem to work!
559     my $ico_path = $icon_path;
560     $ico_path =~ s{png$}{ico};
561     if ( ! -e $ico_path ) {
562     system "convert $icon_path $ico_path";
563     warn "# convert $icon_path $ico_path : $@";
564     }
565     $icon_html .= qq|<link rel="shortcut icon" type="image/x-icon" href="/$ico_path">| if -e $ico_path;
566 dpavlin 524
567 dpavlin 527 =cut
568    
569 dpavlin 524 }
570    
571 dpavlin 532 my $warn_colors = {
572     '#' => '#444',
573     '##' => '#888',
574     };
575    
576     my $multiline_markers = {
577 dpavlin 535 '(' => ')',
578 dpavlin 532 '{' => '}',
579 dpavlin 535 '[' => ']',
580 dpavlin 532 '"' => '"',
581     };
582    
583 dpavlin 671 =for later
584    
585 dpavlin 532 my $multiline_re = '[\\' . join('\\', keys %$multiline_markers ) . ']';
586     warn "## multiline markers ", dump( $multiline_markers ), " -> $multiline_re";
587    
588 dpavlin 671 =cut
589    
590 dpavlin 532 sub log_path {
591 dpavlin 629 $Frey::Bootstrap::log_path || die "no log_path?";
592 dpavlin 532 }
593    
594 dpavlin 682 our $pwd = `pwd`;
595     chomp $pwd;
596    
597     sub strip_full_path {
598     my ($self, $msg) = @_;
599     # Mojo seems to expand warn messages to full path which is annoying
600     $msg =~ s{/[^/]+/\.\./}{/}gs;
601     $msg =~ s{$pwd/*}{}gs;
602     return $msg;
603     }
604    
605 dpavlin 648 our $last_log_pos = 0;
606     our $last_log_line = 0;
607    
608 dpavlin 532 sub warnings_html {
609     my ($self,$level) = shift;
610 dpavlin 535 $level ||= $self->debug,
611 dpavlin 532 my $path = $self->log_path;
612    
613 dpavlin 611 my $max = 30;
614 dpavlin 588 my $pos = 0;
615     my @warnings = ( '' x $max ); # XXX circualar buffer for 50 lines
616 dpavlin 648 my $line = $last_log_line;
617 dpavlin 532 my $multiline_end;
618    
619 dpavlin 611 # XXX do we really want to do this every time?
620     my $css = qq|/* short css classes for levels */\n|;
621     my $level_to_class;
622     foreach ( keys %$warn_colors ) {
623     my $l = length($_);
624     my $class = 'l' . $l;
625     $css .= qq|.$class { color: $warn_colors->{$_} }\n|;
626     $level_to_class->{ $_ } = $class;
627     }
628     $self->add_css( $css );
629    
630 dpavlin 648 open(my $log, '<', $path) || die "can't open $path: $!";
631     seek($log, $last_log_pos, 0) || warn "can't seek: $!";
632 dpavlin 532 while(<$log>) {
633     chomp;
634     $line++;
635    
636 dpavlin 634 next if m{^\s+(Mojo|Class::MOP|Moose)::};
637    
638 dpavlin 532 my $style = '';
639    
640 dpavlin 588 =for filter
641    
642 dpavlin 535 if ( $multiline_end ) {
643     if ( m{^\Q$multiline_end\E} || m{^\s.+\Q$multiline_end\E;$} ) {
644 dpavlin 537 # warn "## $line end of $multiline_end in '$_'\n";
645 dpavlin 535 undef $multiline_end;
646     } else {
647 dpavlin 537 # warn "## $line skipped\n";
648 dpavlin 535 }
649     } elsif ( m{^(#*)\s+} ) {
650 dpavlin 532 my $l = $1 ? length($1) : 0;
651 dpavlin 535 if ( $l > $level ) {
652     undef $multiline_end;
653     $multiline_end = $multiline_markers->{$1} if m{($multiline_re)$};
654 dpavlin 537 # warn "## $line start $1 .. $multiline_end level $l > $level for '$_'\n" if $multiline_end;
655 dpavlin 535 next;
656     }
657 dpavlin 532
658 dpavlin 588 =cut
659 dpavlin 611 if ( m{^(#*)} ) {
660 dpavlin 588
661 dpavlin 611 my $level = $1;
662 dpavlin 682 my $msg = $self->strip_full_path( $_ );
663 dpavlin 532
664 dpavlin 535 my $spacer = ' ';
665 dpavlin 611 my $real_msg = expand( $msg );
666     if ( length($real_msg) > $self->html_dump_width ) {
667    
668     $real_msg = substr( $msg, 0, $self->html_dump_width );
669     $msg = unexpand( $real_msg );
670 dpavlin 535 $spacer = '&hellip;'
671     }
672 dpavlin 611
673     $msg = $self->html_escape( $msg );
674    
675     if ( my $class = $level_to_class->{ $level } ) {
676     $msg = qq|<span class="$class">$msg</span>|;
677     }
678    
679 dpavlin 613 #$msg .= $spacer . qq|<a target="editor" href="/editor+$path+$line" style="float: right;">$line</a>\n|;
680     $msg = qq|<a target="editor" href="/editor+$path+$line" style="float: right;">$line</a>$msg|
681     . ( $spacer ? $spacer : '' )
682     . "\n"; # XXX <pre> needs this
683 dpavlin 611
684     $warnings[ $pos++ % $max ] = $msg;
685 dpavlin 532 }
686     }
687 dpavlin 648 $last_log_pos = tell($log);
688     $last_log_line = $line;
689     warn "log has $line lines tell position $last_log_pos";
690 dpavlin 532 close($log) || die "can't close $path: $!";
691    
692 dpavlin 588 my $size = -s $path;
693    
694 dpavlin 611 my $warnings = join("",
695 dpavlin 613 map { $warnings[ ( $pos + $_ ) % $max ] || '' } 0 .. ( $max - 1 )
696 dpavlin 588 );
697    
698     my $s = length($warnings);
699    
700 dpavlin 532 return
701 dpavlin 611 # need to wrap editor link into span so we can have links in warnings
702 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>|
703 dpavlin 682 . $self->html_links( $warnings )
704 dpavlin 648 . qq|</code></span>|
705 dpavlin 532 ;
706     }
707    
708 dpavlin 543
709     =head2 backtrace
710    
711     Show backtrace with links to editor
712    
713     my @backtrace = $self->backtrace;
714    
715     =cut
716    
717     sub backtrace {
718     my ($self) = @_;
719    
720     my @backtrace;
721 dpavlin 837 foreach ( 1 .. 5 ) { # 0 = backtrace
722 dpavlin 543 my (
723     $package,$path,$line
724     # subroutine hasargs
725     # wantarray evaltext is_require
726     # hints bitmask hinthash
727     ) = caller($_) or last;
728    
729     push @backtrace,
730 dpavlin 674 qq|via "$package" at $path line $line|;
731 dpavlin 543 }
732 dpavlin 591 #warn "# backtrace: ", dump( @backtrace ) if @backtrace;
733 dpavlin 543 return @backtrace;
734     }
735    
736 dpavlin 720 =head2 checkbox
737    
738     Generate checkbox html markup from some attribute
739    
740     my $html = $self->checkbox('attribute_name', $value);
741    
742     =cut
743    
744     sub checkbox {
745     my ($self,$name,$value) = @_;
746     my $checked = '';
747 dpavlin 725 my $all_checkboxes = eval { $self->$name };
748     warn "ERROR tried to get checkbox value for '$name' which is unknown: $@" if $@;
749 dpavlin 720 $all_checkboxes = [ $all_checkboxes ] unless ref($all_checkboxes) eq 'ARRAY'; # sigh, too chatty
750 dpavlin 725 $checked = ' checked' if grep { defined $_ && $_ eq $value } @$all_checkboxes;
751 dpavlin 720 warn "# checkbox $name $value $checked\t", $self->dump( $self->$name );
752     qq|<input name="$name" value="$value" type="checkbox"$checked>|;
753     }
754    
755 dpavlin 781 =head2 strip
756    
757     Strip whitespace around content
758    
759     my $stripped = strip(' no more whitespace around this ');
760    
761     =cut
762    
763     sub strip {
764     my $t = shift;
765     $t =~ s{^\s+}{}gs;
766     $t =~ s{>\s+<}{><}gs;
767     $t =~ s{\s+$}{}gs;
768     return $t;
769     }
770    
771 dpavlin 100 1;

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