/[Frey]/branches/zimbardo/lib/Frey/Web.pm
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Revision 625 - (hide annotations)
Sat Nov 29 17:48:54 2008 UTC (15 years, 4 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web.pm
File size: 13403 byte(s)
first refactor to support request_url correctly (needs more work)
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 518 use Carp qw/confess cluck/;
11 dpavlin 161 use File::Slurp;
12 dpavlin 100
13 dpavlin 410 use Frey::Bookmarklet;
14     use Frey::ClassBrowser;
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     # default => '/',
29 dpavlin 388 );
30    
31 dpavlin 418 has 'title' => (
32     is => 'rw',
33     isa => 'Str',
34     lazy => 1,
35     default => sub {
36     my ($self) = @_;
37     ref($self);
38     },
39     );
40    
41 dpavlin 448 has 'content_type' => (
42     is => 'rw',
43     isa => 'Str',
44     default => 'text/html',
45 dpavlin 476 documentation => 'Content-type header',
46 dpavlin 448 );
47    
48 dpavlin 476 has 'dump_max_bytes' => (
49     is => 'rw',
50     isa => 'Int',
51     default => 4096,
52 dpavlin 543 documentation => 'maximum dump size sent to browser before truncation',
53 dpavlin 476 );
54    
55 dpavlin 161 has 'inline_smaller_than' => (
56     is => 'rw',
57     isa => 'Int',
58     default => 10240,
59 dpavlin 543 documentation => 'inline JavaScript and CSS to reduce round-trips',
60 dpavlin 161 );
61    
62 dpavlin 543 has 'html_dump_width' => (
63     documentation => 'crop longer lines in dumps',
64 dpavlin 535 is => 'rw',
65     isa => 'Int',
66 dpavlin 543 # required => 1, # FIXME we can't have required fields with defaults because Frey::Action isn't smart enough and asks for them
67 dpavlin 611 default => 120,
68 dpavlin 535 );
69    
70     my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
71     my $escape_re = join '|' => keys %escape;
72    
73     sub html_escape {
74     my ( $self, $html ) = @_;
75     $html =~ s/($escape_re)/$escape{$1}/g;
76     return $html;
77     }
78    
79     sub html_dump {
80 dpavlin 543 my ( $self, $dump ) = @_;
81     $dump = dump( $dump ) if ref($dump);
82     my $width = $self->html_dump_width;
83     $dump =~ s{(\n[^\n]{$width})([^\n]+?)([^\n]{5})}{\n$1...$3}gs;
84     $dump = $self->html_escape( $dump );
85     $dump =~ s{\Q...\E}{&hellip;}gs;
86 dpavlin 581 # $dump =~ $self->editor_links( $dump ); # FIXME include this
87 dpavlin 543 return "<code>$dump</code>";
88 dpavlin 535 }
89    
90 dpavlin 546 sub popup { my $self = shift; $self->popup_dropdown('popup', @_); }
91     sub dropdown { my $self = shift; $self->popup_dropdown('dropdown', @_); }
92    
93 dpavlin 596 our $re_html = qr{<(?:!--.+?--|(\w+).+?/\1|[^>]+/)>}s; # relaxed html check for one semi-valid tag
94 dpavlin 546
95     sub popup_dropdown {
96     my ( $self, $type, $name, $content, $full ) = @_;
97    
98     $content = $self->html_dump($content) if ref $content;
99    
100     $content = qq|<span>$content</span>| unless $content =~ m{^\s*<(span|a|code).+?/\1>\s*};
101    
102 dpavlin 581 $content =~ s{<span>(<code>[^<]+</code>)</span>}{$1} && $self->TODO("code wrapped in span");
103    
104 dpavlin 591 warn "## $type [$name] = ", length( $content ), " bytes"; # if $self->debug; # FIXME
105 dpavlin 546
106     if ( $name =~ m{::} && $name !~ $re_html ) {
107     return qq|<a class="frey-$type" target="$name" href="/$name">$name $content</a>\n|;
108 dpavlin 588 } elsif ( $name =~ s{^\s*(<a)\s+}{$1 class="frey-$type"} ) {
109     return qq|$name $content\n|;
110 dpavlin 546 } else {
111     return qq|<span class="frey-$type">$name $content</span>\n|;
112     }
113     }
114    
115 dpavlin 161 sub _inline_path {
116     my ( $self, $path ) = @_;
117     -s $path < $self->inline_smaller_than;
118     }
119    
120 dpavlin 156 sub _head_html {
121     my $self = shift;
122 dpavlin 121 my $out = '';
123 dpavlin 577 foreach my $path ( @head ) {
124 dpavlin 121 $path =~ s!^/!!;
125 dpavlin 156 if ( $path =~ m/\.js$/ ) {
126 dpavlin 161 $out .= $self->_inline_path( $path ) ?
127 dpavlin 600 qq|<script type="text/javascript">\n/* inline $path */\n\n| . read_file($path) . qq|\n</script>| :
128 dpavlin 161 qq|<script type="text/javascript" src="/$path"></script>|;
129 dpavlin 156 } elsif ( $path =~ m/\.css$/ ) {
130 dpavlin 161 $out .= $self->_inline_path( $path ) ?
131 dpavlin 600 qq|<style type="text/css">\n/* inline $path */\n\n| . read_file( $path ) . qq|\n</style>| :
132 dpavlin 161 qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
133 dpavlin 446 } elsif ( $path =~ m{<.+>}s ) {
134 dpavlin 444 $out .= $path;
135 dpavlin 156 } else {
136     confess "don't know how to render $path";
137     }
138 dpavlin 163 $out .= "\n";
139 dpavlin 121 }
140     return $out;
141     }
142 dpavlin 100
143 dpavlin 154 =head2 add_head
144    
145     $o->add_head( 'path/to/external.js' );
146    
147     my $size = $o->add_head( 'path/to/external.css' );
148    
149 dpavlin 445 $o->add_head( '<!-- html content -->' );
150    
151 dpavlin 154 =cut
152    
153     sub add_head {
154     my ( $self, $path ) = @_;
155     return if ! defined $path || $path eq '';
156     $path =~ s!^/!!;
157    
158 dpavlin 546 if ( $path =~ $re_html ) {
159 dpavlin 577 push @head, $path;
160 dpavlin 444 } elsif ( -e $path ) {
161 dpavlin 156 if ( $path =~ m/\.(?:js|css)$/ ) {
162 dpavlin 577 push @head, $path;
163 dpavlin 154 } else {
164     confess "can't add_head( $path ) it's not js or css";
165     }
166 dpavlin 444 return -s $path;
167 dpavlin 154 } else {
168     confess "can't find $path: $!";
169     }
170    
171     }
172    
173 dpavlin 577 sub add_css {
174     my ($self,$css) = @_;
175     my ( $package, $path, $line ) = caller;
176     $self->add_head( qq|
177     <style type="text/css">
178 dpavlin 581 /* via $package at $path line $line */
179 dpavlin 577 $css
180     </style>
181     | );
182     }
183    
184 dpavlin 142 our $reload_counter = 0;
185    
186 dpavlin 183
187     =head2 page
188    
189     $self->page(
190     title => 'page title',
191     head => '<!-- optional head markup -->',
192     body => '<b>Page Body</b>',
193     );
194    
195     =cut
196    
197 dpavlin 519 our @status;
198     sub status { @status };
199    
200 dpavlin 527 our $icon_html;
201    
202 dpavlin 121 sub page {
203 dpavlin 100 my $self = shift;
204 dpavlin 121 my $a = {@_};
205 dpavlin 100
206 dpavlin 519 warn "## page ",dump($a);
207    
208 dpavlin 142 $reload_counter++;
209    
210 dpavlin 388 my $status_line = '';
211 dpavlin 519
212     foreach my $part ( @status ) {
213 dpavlin 388 foreach my $name ( keys %$part ) {
214 dpavlin 537 $status_line .= $self->popup( $name, $part->{$name} );
215 dpavlin 388 }
216     }
217    
218 dpavlin 439 my $url = $self->request_url;
219     $url =~ s{\?reload=\d+}{};
220    
221 dpavlin 460 my $body = $a->{body};
222 dpavlin 591 if ( ! $body ) {
223     my $run = $a->{run} || 'as_markup';
224 dpavlin 611 warn "# no body, invoke $self->$run on ", ref($self);
225 dpavlin 591 $body = $self->$run;
226     }
227 dpavlin 460 if ( $self->content_type !~ m{html} ) {
228     warn "# return only $self body ", $self->content_type;
229     return $body
230     } elsif ( ! defined $body ) {
231     warn "# no body";
232     $body = '<!-- no body -->';
233     }
234 dpavlin 448
235 dpavlin 532 $status_line .= $self->warnings_html;
236 dpavlin 482
237 dpavlin 477 my ($exit,$description) = ('exit','stop server');
238     ($exit,$description) = ('restart','restart server')
239     if $ENV{FREY_RESTART}; # tune labels on exit link
240    
241 dpavlin 473 my $right =
242     qq|
243     <span class="right">
244 dpavlin 519 <a title="reload $url" href="/reload$url">reload</a>
245 dpavlin 477 <a title="$description" href="/exit$url">$exit</a>
246 dpavlin 473 </span>
247     |;
248    
249 dpavlin 577 my $svk = Frey::SVK->new;
250     my $info = $svk->info;
251     my $revision = $svk->info->{Revision} || '';
252 dpavlin 516 $revision = $1 if $info->{'Mirrored From'} =~ m{Rev\.\s+(\d+)};
253 dpavlin 505
254 dpavlin 527 $self->add_icon unless $icon_html;
255 dpavlin 524
256 dpavlin 388 my $html = join("\n",
257     qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|,
258     $self->_head_html,
259 dpavlin 418 '<title>' . ( $self->title || $a->{title} || ref($self) ) . '</title>',
260 dpavlin 388 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
261 dpavlin 527 ( $icon_html || '<!-- no icon -->' ),
262 dpavlin 388 ( $a->{head} || '' ),
263     qq|
264 dpavlin 448 </head><body>
265     $body
266 dpavlin 388 <div class="frey-status-line">
267 dpavlin 505 <a href="/">Frey</a> $Frey::VERSION $revision
268 dpavlin 388 $status_line
269 dpavlin 473 $right
270 dpavlin 210 </div>
271     </body></html>
272 dpavlin 388 |,
273     );
274 dpavlin 100
275 dpavlin 121 warn "## >>> page ",length($html), " bytes\n" if $self->debug;
276 dpavlin 100
277 dpavlin 121 return $html;
278 dpavlin 100 }
279    
280 dpavlin 480 =head2 editor
281    
282     Create HTML editor link with optional line and title
283    
284     my $html = $self->editor( $class, $line, $title );
285    
286     =cut
287    
288     sub editor {
289     my ( $self, $class, $line, $title ) = @_;
290     confess "need class" unless $class;
291 dpavlin 519 if ( ! defined $title ) {
292     $title = "edit $class";
293     $title .= " line $line" if $line;
294     }
295     $line ||= 1;
296 dpavlin 480 qq|<a target="editor" href="/editor+$class+$line"| .
297     ( $title ? qq| title="$title"| : '' ) .
298     qq|>$class</a>|;
299     }
300    
301     =head2 editor_links
302    
303     Create HTML links to editor for perl error message
304    
305     my $html = $self->editor_links( $error )
306    
307     =cut
308    
309 dpavlin 468 sub editor_links {
310     my ( $self, $error ) = @_;
311    
312 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
313    
314 dpavlin 468 $error =~ s{at\s+(\S+)\s+line\s+(\d+)}
315     {at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
316    
317 dpavlin 581 $error =~ s{(via (?:package) "?)([\w:]+)("?)}
318 dpavlin 468 {$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm;
319    
320     return $error;
321     }
322    
323 dpavlin 350 sub error {
324 dpavlin 397 my $self = shift;
325     my $error = join(" ", @_);
326 dpavlin 460
327 dpavlin 465 my @backtrace = $self->backtrace;
328     $error .= "\n\t" . join( "\n\t", @backtrace ) if @backtrace;
329 dpavlin 460
330     warn "ERROR: $error\n";
331 dpavlin 468 return
332     qq|<pre class="frey-error">|
333     . $self->editor_links( $error ) .
334     qq|</pre>|
335     ;
336 dpavlin 350 }
337    
338 dpavlin 577 =head1 Status line
339    
340     =head2 add_status
341    
342 dpavlin 581 $self->add_status( { name => { some => 'data' } } );
343 dpavlin 577
344     $self->add_status( "append to last status popup" );
345    
346     =cut
347    
348 dpavlin 507 sub add_status {
349     my ( $self, $data ) = @_;
350 dpavlin 581 push @status, { 'X' => [ $self->backtrace ] };
351 dpavlin 577 if ( ref($data) ) {
352     push @status, $data;
353     } else {
354 dpavlin 581 if ( defined $status[ $#status ] ) {
355     $status[ $#status ]->{ '+' } = $data;
356     } else {
357     push @status, { '+' => $data };
358     }
359 dpavlin 577 }
360 dpavlin 507 }
361    
362 dpavlin 577 =head2 clean_status
363    
364     Called at beginning of each request
365    
366     $self->clean_status;
367    
368     =cut
369    
370 dpavlin 519 sub clean_status {
371 dpavlin 577 my ($self) = shift;
372 dpavlin 578 @head = ( 'static/frey.css' );
373 dpavlin 625 my $params = { request_url => $self->request_url };
374 dpavlin 581 @status = (
375 dpavlin 625 { 'ClassBrowser' => Frey::ClassBrowser->new( %$params, usage_on_top => 0 )->as_markup },
376     { 'Bookmarklets' => Frey::Bookmarklet->new( %$params )->as_markup },
377     { 'INC' => Frey::INC->new( %$params )->as_markup },
378 dpavlin 581 );
379 dpavlin 527 $icon_html = '';
380 dpavlin 519 }
381    
382 dpavlin 577 =head2 status_parts
383    
384     Dump all status line parts
385    
386     $self->status_parts
387    
388     =cut
389    
390 dpavlin 519 sub status_parts {
391     warn "## status parts ", dump( map { keys %$_ } @status );
392     }
393    
394 dpavlin 568 =for debug
395    
396 dpavlin 518 sub DEMOLISH {
397     my ( $self ) = @_;
398 dpavlin 529 warn "## $self DEMOLISH status ", $#status + 1, " elements ", dump( map { keys %$_ } @status ) if @status;
399 dpavlin 518 }
400    
401 dpavlin 568 =cut
402    
403 dpavlin 527 =head2 add_icon
404    
405     Frey::Foo->add_icon; # /static/icons/Frey/Foo.png
406     Frey::Foo->add_icon('warning'); # /static/icons/Frey/Foo/warning.png
407    
408     =cut
409    
410 dpavlin 529 sub icon_path {
411     my ($self,$class,$variant) = @_;
412     my $icon = $class;
413 dpavlin 524 $icon =~ s{::}{/}g;
414 dpavlin 529 $icon .= "/$variant" if $variant;
415     my $path = 'static/icons/' . $icon . '.png';
416     if ( -e $path ) {
417 dpavlin 577 warn "# $class from $self icon_path $path" if $self->debug;
418 dpavlin 529 return $path;
419     } else {
420 dpavlin 564 $self->TODO( "add $path icon for $class" );
421 dpavlin 529 return undef;
422     }
423     }
424 dpavlin 524
425 dpavlin 529 sub add_icon {
426     my ($self,$variant) = @_;
427 dpavlin 524
428 dpavlin 529 my $class = ref($self);
429     $class = $self->class if $self->can('class');
430     my $icon_path = $self->icon_path( $class, $variant ) || return;
431 dpavlin 524
432 dpavlin 529 $icon_html .= qq|<link rel="icon" type="image/png" href="/$icon_path">|;
433     warn "# using icon $icon_path";
434    
435 dpavlin 527 =for later
436    
437 dpavlin 529 # FIXME http://en.wikipedia.org/wiki/Favicon suggest just rel="icon" but that doesn't seem to work!
438     my $ico_path = $icon_path;
439     $ico_path =~ s{png$}{ico};
440     if ( ! -e $ico_path ) {
441     system "convert $icon_path $ico_path";
442     warn "# convert $icon_path $ico_path : $@";
443     }
444     $icon_html .= qq|<link rel="shortcut icon" type="image/x-icon" href="/$ico_path">| if -e $ico_path;
445 dpavlin 524
446 dpavlin 527 =cut
447    
448 dpavlin 524 }
449    
450 dpavlin 532 my $warn_colors = {
451     '#' => '#444',
452     '##' => '#888',
453     };
454    
455     my $multiline_markers = {
456 dpavlin 535 '(' => ')',
457 dpavlin 532 '{' => '}',
458 dpavlin 535 '[' => ']',
459 dpavlin 532 '"' => '"',
460     };
461    
462     my $multiline_re = '[\\' . join('\\', keys %$multiline_markers ) . ']';
463     warn "## multiline markers ", dump( $multiline_markers ), " -> $multiline_re";
464    
465     sub log_path {
466     $Frey::Bootstrap::log_path || warn "no log_path?";
467     }
468    
469     sub warnings_html {
470     my ($self,$level) = shift;
471 dpavlin 535 $level ||= $self->debug,
472 dpavlin 532 my $path = $self->log_path;
473    
474 dpavlin 611 my $max = 30;
475 dpavlin 588 my $pos = 0;
476     my @warnings = ( '' x $max ); # XXX circualar buffer for 50 lines
477 dpavlin 532 my $line = 0;
478     my $multiline_end;
479    
480 dpavlin 611 # XXX do we really want to do this every time?
481     my $css = qq|/* short css classes for levels */\n|;
482     my $level_to_class;
483     foreach ( keys %$warn_colors ) {
484     my $l = length($_);
485     my $class = 'l' . $l;
486     $css .= qq|.$class { color: $warn_colors->{$_} }\n|;
487     $level_to_class->{ $_ } = $class;
488     }
489     $self->add_css( $css );
490    
491 dpavlin 532 open(my $log, '<', $path) || die "can't open $path: $!";
492     while(<$log>) {
493     chomp;
494     $line++;
495    
496     my $style = '';
497    
498 dpavlin 588 =for filter
499    
500 dpavlin 535 if ( $multiline_end ) {
501     if ( m{^\Q$multiline_end\E} || m{^\s.+\Q$multiline_end\E;$} ) {
502 dpavlin 537 # warn "## $line end of $multiline_end in '$_'\n";
503 dpavlin 535 undef $multiline_end;
504     } else {
505 dpavlin 537 # warn "## $line skipped\n";
506 dpavlin 535 }
507     } elsif ( m{^(#*)\s+} ) {
508 dpavlin 532 my $l = $1 ? length($1) : 0;
509 dpavlin 535 if ( $l > $level ) {
510     undef $multiline_end;
511     $multiline_end = $multiline_markers->{$1} if m{($multiline_re)$};
512 dpavlin 537 # warn "## $line start $1 .. $multiline_end level $l > $level for '$_'\n" if $multiline_end;
513 dpavlin 535 next;
514     }
515 dpavlin 532
516 dpavlin 588 =cut
517 dpavlin 611 if ( m{^(#*)} ) {
518 dpavlin 588
519 dpavlin 611 my $level = $1;
520     my $msg = $_;
521 dpavlin 532
522 dpavlin 535 my $spacer = ' ';
523 dpavlin 611 my $real_msg = expand( $msg );
524     if ( length($real_msg) > $self->html_dump_width ) {
525    
526     $real_msg = substr( $msg, 0, $self->html_dump_width );
527     $msg = unexpand( $real_msg );
528 dpavlin 535 $spacer = '&hellip;'
529     }
530 dpavlin 611
531     $msg = $self->html_escape( $msg );
532    
533     if ( my $class = $level_to_class->{ $level } ) {
534     $msg = qq|<span class="$class">$msg</span>|;
535     }
536    
537 dpavlin 613 #$msg .= $spacer . qq|<a target="editor" href="/editor+$path+$line" style="float: right;">$line</a>\n|;
538     $msg = qq|<a target="editor" href="/editor+$path+$line" style="float: right;">$line</a>$msg|
539     . ( $spacer ? $spacer : '' )
540     . "\n"; # XXX <pre> needs this
541 dpavlin 611
542     $warnings[ $pos++ % $max ] = $msg;
543 dpavlin 532 }
544     }
545 dpavlin 611 warn "log has $line lines tell position ",tell($log);
546 dpavlin 532 close($log) || die "can't close $path: $!";
547    
548 dpavlin 588 my $size = -s $path;
549    
550 dpavlin 611 my $warnings = join("",
551 dpavlin 613 map { $warnings[ ( $pos + $_ ) % $max ] || '' } 0 .. ( $max - 1 )
552 dpavlin 588 );
553    
554     my $s = length($warnings);
555    
556 dpavlin 532 return
557 dpavlin 611 # need to wrap editor link into span so we can have links in warnings
558 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>|
559 dpavlin 611 . $self->editor_links( $warnings )
560 dpavlin 588 . qq|</code></span></a>|
561 dpavlin 532 ;
562     }
563    
564 dpavlin 543
565     =head2 backtrace
566    
567     Show backtrace with links to editor
568    
569     my @backtrace = $self->backtrace;
570    
571     =cut
572    
573     sub backtrace {
574     my ($self) = @_;
575    
576     my @backtrace;
577     foreach ( 0 .. 5 ) {
578     my (
579     $package,$path,$line
580     # subroutine hasargs
581     # wantarray evaltext is_require
582     # hints bitmask hinthash
583     ) = caller($_) or last;
584    
585     push @backtrace,
586 dpavlin 581 qq|via $package at $path line $line|;
587 dpavlin 543 }
588 dpavlin 591 #warn "# backtrace: ", dump( @backtrace ) if @backtrace;
589 dpavlin 543 return @backtrace;
590     }
591    
592 dpavlin 100 1;

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