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Revision 793 - (show annotations)
Wed Dec 10 17:51:29 2008 UTC (15 years, 3 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web.pm
File size: 15913 byte(s)
Frey::Class::Refactor::Modify Frey::ClassBrowser -> Frey::Class::Browser
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 = ('<'=>'&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 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 # $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_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 = '&hellip;'
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;

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