/[Frey]/branches/zimbardo/lib/Frey/Web.pm
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Revision 581 - (hide annotations)
Fri Nov 28 13:16:47 2008 UTC (15 years, 4 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web.pm
File size: 11875 byte(s)
remove Frey::Web from Frey::Run
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 578 our @head;
20 dpavlin 121
21 dpavlin 392 has 'request_url' => (
22 dpavlin 388 is => 'rw',
23     isa => 'Uri', coerce => 1,
24     default => '/',
25     );
26    
27 dpavlin 418 has 'title' => (
28     is => 'rw',
29     isa => 'Str',
30     lazy => 1,
31     default => sub {
32     my ($self) = @_;
33     ref($self);
34     },
35     );
36    
37 dpavlin 448 has 'content_type' => (
38     is => 'rw',
39     isa => 'Str',
40     default => 'text/html',
41 dpavlin 476 documentation => 'Content-type header',
42 dpavlin 448 );
43    
44 dpavlin 476 has 'dump_max_bytes' => (
45     is => 'rw',
46     isa => 'Int',
47     default => 4096,
48 dpavlin 543 documentation => 'maximum dump size sent to browser before truncation',
49 dpavlin 476 );
50    
51 dpavlin 161 has 'inline_smaller_than' => (
52     is => 'rw',
53     isa => 'Int',
54     default => 10240,
55 dpavlin 543 documentation => 'inline JavaScript and CSS to reduce round-trips',
56 dpavlin 161 );
57    
58 dpavlin 543 has 'html_dump_width' => (
59     documentation => 'crop longer lines in dumps',
60 dpavlin 535 is => 'rw',
61     isa => 'Int',
62 dpavlin 543 # required => 1, # FIXME we can't have required fields with defaults because Frey::Action isn't smart enough and asks for them
63     default => 128,
64 dpavlin 535 );
65    
66     my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
67     my $escape_re = join '|' => keys %escape;
68    
69     sub html_escape {
70     my ( $self, $html ) = @_;
71     $html =~ s/($escape_re)/$escape{$1}/g;
72     return $html;
73     }
74    
75     sub html_dump {
76 dpavlin 543 my ( $self, $dump ) = @_;
77     $dump = dump( $dump ) if ref($dump);
78     my $width = $self->html_dump_width;
79     $dump =~ s{(\n[^\n]{$width})([^\n]+?)([^\n]{5})}{\n$1...$3}gs;
80     $dump = $self->html_escape( $dump );
81     $dump =~ s{\Q...\E}{&hellip;}gs;
82 dpavlin 581 # $dump =~ $self->editor_links( $dump ); # FIXME include this
83 dpavlin 543 return "<code>$dump</code>";
84 dpavlin 535 }
85    
86 dpavlin 546 sub popup { my $self = shift; $self->popup_dropdown('popup', @_); }
87     sub dropdown { my $self = shift; $self->popup_dropdown('dropdown', @_); }
88    
89     our $re_html = qr{<(?:!--.+?--|(\w+).+?/\1)>}s; # relaxed html check for one semi-valid tag
90    
91     sub popup_dropdown {
92     my ( $self, $type, $name, $content, $full ) = @_;
93    
94     $content = $self->html_dump($content) if ref $content;
95    
96     $content = qq|<span>$content</span>| unless $content =~ m{^\s*<(span|a|code).+?/\1>\s*};
97    
98 dpavlin 581 $content =~ s{<span>(<code>[^<]+</code>)</span>}{$1} && $self->TODO("code wrapped in span");
99    
100 dpavlin 546 warn "## $type [$name] = ", length( $content ), " bytes" if $self->debug;
101    
102     if ( $name =~ m{::} && $name !~ $re_html ) {
103     return qq|<a class="frey-$type" target="$name" href="/$name">$name $content</a>\n|;
104     } else {
105     return qq|<span class="frey-$type">$name $content</span>\n|;
106     }
107     }
108    
109 dpavlin 161 sub _inline_path {
110     my ( $self, $path ) = @_;
111     -s $path < $self->inline_smaller_than;
112     }
113    
114 dpavlin 156 sub _head_html {
115     my $self = shift;
116 dpavlin 121 my $out = '';
117 dpavlin 577 foreach my $path ( @head ) {
118 dpavlin 121 $path =~ s!^/!!;
119 dpavlin 156 if ( $path =~ m/\.js$/ ) {
120 dpavlin 161 $out .= $self->_inline_path( $path ) ?
121 dpavlin 163 qq|<!-- $path --><script type="text/javascript">\n| . read_file($path) . qq|\n</script>| :
122 dpavlin 161 qq|<script type="text/javascript" src="/$path"></script>|;
123 dpavlin 156 } elsif ( $path =~ m/\.css$/ ) {
124 dpavlin 161 $out .= $self->_inline_path( $path ) ?
125 dpavlin 163 qq|<!-- $path --><style type="text/css">\n| . read_file( $path ) . qq|\n</style>| :
126 dpavlin 161 qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
127 dpavlin 446 } elsif ( $path =~ m{<.+>}s ) {
128 dpavlin 444 $out .= $path;
129 dpavlin 156 } else {
130     confess "don't know how to render $path";
131     }
132 dpavlin 163 $out .= "\n";
133 dpavlin 121 }
134     return $out;
135     }
136 dpavlin 100
137 dpavlin 154 =head2 add_head
138    
139     $o->add_head( 'path/to/external.js' );
140    
141     my $size = $o->add_head( 'path/to/external.css' );
142    
143 dpavlin 445 $o->add_head( '<!-- html content -->' );
144    
145 dpavlin 154 =cut
146    
147     sub add_head {
148     my ( $self, $path ) = @_;
149     return if ! defined $path || $path eq '';
150     $path =~ s!^/!!;
151    
152 dpavlin 546 if ( $path =~ $re_html ) {
153 dpavlin 577 push @head, $path;
154 dpavlin 444 } elsif ( -e $path ) {
155 dpavlin 156 if ( $path =~ m/\.(?:js|css)$/ ) {
156 dpavlin 577 push @head, $path;
157 dpavlin 154 } else {
158     confess "can't add_head( $path ) it's not js or css";
159     }
160 dpavlin 444 return -s $path;
161 dpavlin 154 } else {
162     confess "can't find $path: $!";
163     }
164    
165     }
166    
167 dpavlin 577 sub add_css {
168     my ($self,$css) = @_;
169     my ( $package, $path, $line ) = caller;
170     $self->add_head( qq|
171     <style type="text/css">
172 dpavlin 581 /* via $package at $path line $line */
173 dpavlin 577 $css
174     </style>
175     | );
176     }
177    
178 dpavlin 142 our $reload_counter = 0;
179    
180 dpavlin 183
181     =head2 page
182    
183     $self->page(
184     title => 'page title',
185     head => '<!-- optional head markup -->',
186     body => '<b>Page Body</b>',
187     );
188    
189     =cut
190    
191 dpavlin 519 our @status;
192     sub status { @status };
193    
194 dpavlin 527 our $icon_html;
195    
196 dpavlin 121 sub page {
197 dpavlin 100 my $self = shift;
198 dpavlin 121 my $a = {@_};
199 dpavlin 100
200 dpavlin 519 warn "## page ",dump($a);
201    
202 dpavlin 142 $reload_counter++;
203    
204 dpavlin 388 my $status_line = '';
205 dpavlin 519
206     foreach my $part ( @status ) {
207 dpavlin 388 foreach my $name ( keys %$part ) {
208 dpavlin 537 $status_line .= $self->popup( $name, $part->{$name} );
209 dpavlin 388 }
210     }
211    
212 dpavlin 439 my $url = $self->request_url;
213     $url =~ s{\?reload=\d+}{};
214    
215 dpavlin 460 my $body = $a->{body};
216     $body ||= $self->as_markup if $self->can('as_markup');
217     if ( $self->content_type !~ m{html} ) {
218     warn "# return only $self body ", $self->content_type;
219     return $body
220     } elsif ( ! defined $body ) {
221     warn "# no body";
222     $body = '<!-- no body -->';
223     }
224 dpavlin 448
225 dpavlin 532 $status_line .= $self->warnings_html;
226 dpavlin 482
227 dpavlin 477 my ($exit,$description) = ('exit','stop server');
228     ($exit,$description) = ('restart','restart server')
229     if $ENV{FREY_RESTART}; # tune labels on exit link
230    
231 dpavlin 473 my $right =
232     qq|
233     <span class="right">
234 dpavlin 519 <a title="reload $url" href="/reload$url">reload</a>
235 dpavlin 477 <a title="$description" href="/exit$url">$exit</a>
236 dpavlin 473 </span>
237     |;
238    
239 dpavlin 577 my $svk = Frey::SVK->new;
240     my $info = $svk->info;
241     my $revision = $svk->info->{Revision} || '';
242 dpavlin 516 $revision = $1 if $info->{'Mirrored From'} =~ m{Rev\.\s+(\d+)};
243 dpavlin 505
244 dpavlin 527 $self->add_icon unless $icon_html;
245 dpavlin 524
246 dpavlin 388 my $html = join("\n",
247     qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|,
248     $self->_head_html,
249 dpavlin 418 '<title>' . ( $self->title || $a->{title} || ref($self) ) . '</title>',
250 dpavlin 388 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
251 dpavlin 527 ( $icon_html || '<!-- no icon -->' ),
252 dpavlin 388 ( $a->{head} || '' ),
253     qq|
254 dpavlin 448 </head><body>
255     $body
256 dpavlin 388 <div class="frey-status-line">
257 dpavlin 505 <a href="/">Frey</a> $Frey::VERSION $revision
258 dpavlin 388 $status_line
259 dpavlin 473 $right
260 dpavlin 210 </div>
261     </body></html>
262 dpavlin 388 |,
263     );
264 dpavlin 100
265 dpavlin 121 warn "## >>> page ",length($html), " bytes\n" if $self->debug;
266 dpavlin 100
267 dpavlin 121 return $html;
268 dpavlin 100 }
269    
270 dpavlin 480 =head2 editor
271    
272     Create HTML editor link with optional line and title
273    
274     my $html = $self->editor( $class, $line, $title );
275    
276     =cut
277    
278     sub editor {
279     my ( $self, $class, $line, $title ) = @_;
280     confess "need class" unless $class;
281 dpavlin 519 if ( ! defined $title ) {
282     $title = "edit $class";
283     $title .= " line $line" if $line;
284     }
285     $line ||= 1;
286 dpavlin 480 qq|<a target="editor" href="/editor+$class+$line"| .
287     ( $title ? qq| title="$title"| : '' ) .
288     qq|>$class</a>|;
289     }
290    
291     =head2 editor_links
292    
293     Create HTML links to editor for perl error message
294    
295     my $html = $self->editor_links( $error )
296    
297     =cut
298    
299 dpavlin 468 sub editor_links {
300     my ( $self, $error ) = @_;
301    
302     $error =~ s{at\s+(\S+)\s+line\s+(\d+)}
303     {at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
304    
305 dpavlin 581 $error =~ s{(via (?:package) "?)([\w:]+)("?)}
306 dpavlin 468 {$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm;
307    
308     return $error;
309     }
310    
311 dpavlin 350 sub error {
312 dpavlin 397 my $self = shift;
313     my $error = join(" ", @_);
314 dpavlin 460
315 dpavlin 465 my @backtrace = $self->backtrace;
316     $error .= "\n\t" . join( "\n\t", @backtrace ) if @backtrace;
317 dpavlin 460
318     warn "ERROR: $error\n";
319 dpavlin 468 return
320     qq|<pre class="frey-error">|
321     . $self->editor_links( $error ) .
322     qq|</pre>|
323     ;
324 dpavlin 350 }
325    
326 dpavlin 577 =head1 Status line
327    
328     =head2 add_status
329    
330 dpavlin 581 $self->add_status( { name => { some => 'data' } } );
331 dpavlin 577
332     $self->add_status( "append to last status popup" );
333    
334     =cut
335    
336 dpavlin 507 sub add_status {
337     my ( $self, $data ) = @_;
338 dpavlin 581 push @status, { 'X' => [ $self->backtrace ] };
339 dpavlin 577 if ( ref($data) ) {
340     push @status, $data;
341     } else {
342 dpavlin 581 if ( defined $status[ $#status ] ) {
343     $status[ $#status ]->{ '+' } = $data;
344     } else {
345     push @status, { '+' => $data };
346     }
347 dpavlin 577 }
348 dpavlin 507 }
349    
350 dpavlin 577 =head2 clean_status
351    
352     Called at beginning of each request
353    
354     $self->clean_status;
355    
356     =cut
357    
358 dpavlin 519 sub clean_status {
359 dpavlin 577 my ($self) = shift;
360 dpavlin 578 @head = ( 'static/frey.css' );
361 dpavlin 581 @status = (
362     { 'ClassBrowser' => Frey::ClassBrowser->new( usage_on_top => 0 )->as_markup },
363     { 'Bookmarklets' => Frey::Bookmarklet->new->as_markup },
364     { 'INC' => Frey::INC->new->as_markup },
365     );
366 dpavlin 527 $icon_html = '';
367 dpavlin 519 }
368    
369 dpavlin 577 =head2 status_parts
370    
371     Dump all status line parts
372    
373     $self->status_parts
374    
375     =cut
376    
377 dpavlin 519 sub status_parts {
378     warn "## status parts ", dump( map { keys %$_ } @status );
379     }
380    
381 dpavlin 568 =for debug
382    
383 dpavlin 518 sub DEMOLISH {
384     my ( $self ) = @_;
385 dpavlin 529 warn "## $self DEMOLISH status ", $#status + 1, " elements ", dump( map { keys %$_ } @status ) if @status;
386 dpavlin 518 }
387    
388 dpavlin 568 =cut
389    
390 dpavlin 527 =head2 add_icon
391    
392     Frey::Foo->add_icon; # /static/icons/Frey/Foo.png
393     Frey::Foo->add_icon('warning'); # /static/icons/Frey/Foo/warning.png
394    
395     =cut
396    
397 dpavlin 529 sub icon_path {
398     my ($self,$class,$variant) = @_;
399     my $icon = $class;
400 dpavlin 524 $icon =~ s{::}{/}g;
401 dpavlin 529 $icon .= "/$variant" if $variant;
402     my $path = 'static/icons/' . $icon . '.png';
403     if ( -e $path ) {
404 dpavlin 577 warn "# $class from $self icon_path $path" if $self->debug;
405 dpavlin 529 return $path;
406     } else {
407 dpavlin 564 $self->TODO( "add $path icon for $class" );
408 dpavlin 529 return undef;
409     }
410     }
411 dpavlin 524
412 dpavlin 529 sub add_icon {
413     my ($self,$variant) = @_;
414 dpavlin 524
415 dpavlin 529 my $class = ref($self);
416     $class = $self->class if $self->can('class');
417     my $icon_path = $self->icon_path( $class, $variant ) || return;
418 dpavlin 524
419 dpavlin 529 $icon_html .= qq|<link rel="icon" type="image/png" href="/$icon_path">|;
420     warn "# using icon $icon_path";
421    
422 dpavlin 527 =for later
423    
424 dpavlin 529 # FIXME http://en.wikipedia.org/wiki/Favicon suggest just rel="icon" but that doesn't seem to work!
425     my $ico_path = $icon_path;
426     $ico_path =~ s{png$}{ico};
427     if ( ! -e $ico_path ) {
428     system "convert $icon_path $ico_path";
429     warn "# convert $icon_path $ico_path : $@";
430     }
431     $icon_html .= qq|<link rel="shortcut icon" type="image/x-icon" href="/$ico_path">| if -e $ico_path;
432 dpavlin 524
433 dpavlin 527 =cut
434    
435 dpavlin 524 }
436    
437 dpavlin 532 my $warn_colors = {
438     '#' => '#444',
439     '##' => '#888',
440     };
441    
442     my $multiline_markers = {
443 dpavlin 535 '(' => ')',
444 dpavlin 532 '{' => '}',
445 dpavlin 535 '[' => ']',
446 dpavlin 532 '"' => '"',
447     };
448    
449     my $multiline_re = '[\\' . join('\\', keys %$multiline_markers ) . ']';
450     warn "## multiline markers ", dump( $multiline_markers ), " -> $multiline_re";
451    
452     sub log_path {
453     $Frey::Bootstrap::log_path || warn "no log_path?";
454     }
455    
456     sub warnings_html {
457     my ($self,$level) = shift;
458 dpavlin 535 $level ||= $self->debug,
459 dpavlin 532 my $path = $self->log_path;
460    
461     my $warnings;
462     my $line = 0;
463     my $multiline_end;
464    
465     open(my $log, '<', $path) || die "can't open $path: $!";
466     while(<$log>) {
467     chomp;
468     $line++;
469    
470     my $style = '';
471    
472 dpavlin 535 if ( $multiline_end ) {
473     if ( m{^\Q$multiline_end\E} || m{^\s.+\Q$multiline_end\E;$} ) {
474 dpavlin 537 # warn "## $line end of $multiline_end in '$_'\n";
475 dpavlin 535 undef $multiline_end;
476     } else {
477 dpavlin 537 # warn "## $line skipped\n";
478 dpavlin 535 }
479     } elsif ( m{^(#*)\s+} ) {
480 dpavlin 532 my $l = $1 ? length($1) : 0;
481 dpavlin 535 if ( $l > $level ) {
482     undef $multiline_end;
483     $multiline_end = $multiline_markers->{$1} if m{($multiline_re)$};
484 dpavlin 537 # warn "## $line start $1 .. $multiline_end level $l > $level for '$_'\n" if $multiline_end;
485 dpavlin 535 next;
486     }
487 dpavlin 532
488     $style = $warn_colors->{$1}
489     ? ' style="color:' . $warn_colors->{$1} . '"'
490     : '';
491    
492 dpavlin 535 my $msg = $self->html_escape( $_ );
493     my $spacer = ' ';
494 dpavlin 543 if ( length($msg) > $self->html_dump_width ) {
495     $msg = substr( $msg, 0, $self->html_dump_width );
496 dpavlin 535 $spacer = '&hellip;'
497     }
498     $msg =~ s{^\s}{&nbsp;}g;
499     $warnings .= qq|<tt$style>$msg</tt>$spacer<small><a target="editor" href="/editor+$path+$line">+$line</a></small><br/>|;
500 dpavlin 532 # FIXME <tt> should be <code> but CSS hates me
501     }
502     }
503     close($log) || die "can't close $path: $!";
504    
505     return
506     qq|<span class="frey-popup"><a target="editor" href="/editor+$path+$line" title="open $path level $level">warn</a><span>|
507     . $self->editor_links( $warnings )
508     . qq|</span></span>|
509     ;
510     }
511    
512 dpavlin 543
513     =head2 backtrace
514    
515     Show backtrace with links to editor
516    
517     my @backtrace = $self->backtrace;
518    
519     =cut
520    
521     sub backtrace {
522     my ($self) = @_;
523    
524     my @backtrace;
525     foreach ( 0 .. 5 ) {
526     my (
527     $package,$path,$line
528     # subroutine hasargs
529     # wantarray evaltext is_require
530     # hints bitmask hinthash
531     ) = caller($_) or last;
532    
533     push @backtrace,
534 dpavlin 581 qq|via $package at $path line $line|;
535 dpavlin 543 }
536     warn "# backtrace: ", dump( @backtrace ) if @backtrace;
537     return @backtrace;
538     }
539    
540 dpavlin 100 1;

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