/[Frey]/branches/zimbardo/lib/Frey/Web.pm
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Annotation of /branches/zimbardo/lib/Frey/Web.pm

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Revision 584 - (hide annotations)
Fri Nov 28 13:25:17 2008 UTC (15 years, 4 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web.pm
File size: 11894 byte(s)
put bash head accessor to please test
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 584 sub head { @head }
21 dpavlin 121
22 dpavlin 392 has 'request_url' => (
23 dpavlin 388 is => 'rw',
24     isa => 'Uri', coerce => 1,
25     default => '/',
26     );
27    
28 dpavlin 418 has 'title' => (
29     is => 'rw',
30     isa => 'Str',
31     lazy => 1,
32     default => sub {
33     my ($self) = @_;
34     ref($self);
35     },
36     );
37    
38 dpavlin 448 has 'content_type' => (
39     is => 'rw',
40     isa => 'Str',
41     default => 'text/html',
42 dpavlin 476 documentation => 'Content-type header',
43 dpavlin 448 );
44    
45 dpavlin 476 has 'dump_max_bytes' => (
46     is => 'rw',
47     isa => 'Int',
48     default => 4096,
49 dpavlin 543 documentation => 'maximum dump size sent to browser before truncation',
50 dpavlin 476 );
51    
52 dpavlin 161 has 'inline_smaller_than' => (
53     is => 'rw',
54     isa => 'Int',
55     default => 10240,
56 dpavlin 543 documentation => 'inline JavaScript and CSS to reduce round-trips',
57 dpavlin 161 );
58    
59 dpavlin 543 has 'html_dump_width' => (
60     documentation => 'crop longer lines in dumps',
61 dpavlin 535 is => 'rw',
62     isa => 'Int',
63 dpavlin 543 # required => 1, # FIXME we can't have required fields with defaults because Frey::Action isn't smart enough and asks for them
64     default => 128,
65 dpavlin 535 );
66    
67     my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
68     my $escape_re = join '|' => keys %escape;
69    
70     sub html_escape {
71     my ( $self, $html ) = @_;
72     $html =~ s/($escape_re)/$escape{$1}/g;
73     return $html;
74     }
75    
76     sub html_dump {
77 dpavlin 543 my ( $self, $dump ) = @_;
78     $dump = dump( $dump ) if ref($dump);
79     my $width = $self->html_dump_width;
80     $dump =~ s{(\n[^\n]{$width})([^\n]+?)([^\n]{5})}{\n$1...$3}gs;
81     $dump = $self->html_escape( $dump );
82     $dump =~ s{\Q...\E}{&hellip;}gs;
83 dpavlin 581 # $dump =~ $self->editor_links( $dump ); # FIXME include this
84 dpavlin 543 return "<code>$dump</code>";
85 dpavlin 535 }
86    
87 dpavlin 546 sub popup { my $self = shift; $self->popup_dropdown('popup', @_); }
88     sub dropdown { my $self = shift; $self->popup_dropdown('dropdown', @_); }
89    
90     our $re_html = qr{<(?:!--.+?--|(\w+).+?/\1)>}s; # relaxed html check for one semi-valid tag
91    
92     sub popup_dropdown {
93     my ( $self, $type, $name, $content, $full ) = @_;
94    
95     $content = $self->html_dump($content) if ref $content;
96    
97     $content = qq|<span>$content</span>| unless $content =~ m{^\s*<(span|a|code).+?/\1>\s*};
98    
99 dpavlin 581 $content =~ s{<span>(<code>[^<]+</code>)</span>}{$1} && $self->TODO("code wrapped in span");
100    
101 dpavlin 546 warn "## $type [$name] = ", length( $content ), " bytes" if $self->debug;
102    
103     if ( $name =~ m{::} && $name !~ $re_html ) {
104     return qq|<a class="frey-$type" target="$name" href="/$name">$name $content</a>\n|;
105     } else {
106     return qq|<span class="frey-$type">$name $content</span>\n|;
107     }
108     }
109    
110 dpavlin 161 sub _inline_path {
111     my ( $self, $path ) = @_;
112     -s $path < $self->inline_smaller_than;
113     }
114    
115 dpavlin 156 sub _head_html {
116     my $self = shift;
117 dpavlin 121 my $out = '';
118 dpavlin 577 foreach my $path ( @head ) {
119 dpavlin 121 $path =~ s!^/!!;
120 dpavlin 156 if ( $path =~ m/\.js$/ ) {
121 dpavlin 161 $out .= $self->_inline_path( $path ) ?
122 dpavlin 163 qq|<!-- $path --><script type="text/javascript">\n| . read_file($path) . qq|\n</script>| :
123 dpavlin 161 qq|<script type="text/javascript" src="/$path"></script>|;
124 dpavlin 156 } elsif ( $path =~ m/\.css$/ ) {
125 dpavlin 161 $out .= $self->_inline_path( $path ) ?
126 dpavlin 163 qq|<!-- $path --><style type="text/css">\n| . read_file( $path ) . qq|\n</style>| :
127 dpavlin 161 qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
128 dpavlin 446 } elsif ( $path =~ m{<.+>}s ) {
129 dpavlin 444 $out .= $path;
130 dpavlin 156 } else {
131     confess "don't know how to render $path";
132     }
133 dpavlin 163 $out .= "\n";
134 dpavlin 121 }
135     return $out;
136     }
137 dpavlin 100
138 dpavlin 154 =head2 add_head
139    
140     $o->add_head( 'path/to/external.js' );
141    
142     my $size = $o->add_head( 'path/to/external.css' );
143    
144 dpavlin 445 $o->add_head( '<!-- html content -->' );
145    
146 dpavlin 154 =cut
147    
148     sub add_head {
149     my ( $self, $path ) = @_;
150     return if ! defined $path || $path eq '';
151     $path =~ s!^/!!;
152    
153 dpavlin 546 if ( $path =~ $re_html ) {
154 dpavlin 577 push @head, $path;
155 dpavlin 444 } elsif ( -e $path ) {
156 dpavlin 156 if ( $path =~ m/\.(?:js|css)$/ ) {
157 dpavlin 577 push @head, $path;
158 dpavlin 154 } else {
159     confess "can't add_head( $path ) it's not js or css";
160     }
161 dpavlin 444 return -s $path;
162 dpavlin 154 } else {
163     confess "can't find $path: $!";
164     }
165    
166     }
167    
168 dpavlin 577 sub add_css {
169     my ($self,$css) = @_;
170     my ( $package, $path, $line ) = caller;
171     $self->add_head( qq|
172     <style type="text/css">
173 dpavlin 581 /* via $package at $path line $line */
174 dpavlin 577 $css
175     </style>
176     | );
177     }
178    
179 dpavlin 142 our $reload_counter = 0;
180    
181 dpavlin 183
182     =head2 page
183    
184     $self->page(
185     title => 'page title',
186     head => '<!-- optional head markup -->',
187     body => '<b>Page Body</b>',
188     );
189    
190     =cut
191    
192 dpavlin 519 our @status;
193     sub status { @status };
194    
195 dpavlin 527 our $icon_html;
196    
197 dpavlin 121 sub page {
198 dpavlin 100 my $self = shift;
199 dpavlin 121 my $a = {@_};
200 dpavlin 100
201 dpavlin 519 warn "## page ",dump($a);
202    
203 dpavlin 142 $reload_counter++;
204    
205 dpavlin 388 my $status_line = '';
206 dpavlin 519
207     foreach my $part ( @status ) {
208 dpavlin 388 foreach my $name ( keys %$part ) {
209 dpavlin 537 $status_line .= $self->popup( $name, $part->{$name} );
210 dpavlin 388 }
211     }
212    
213 dpavlin 439 my $url = $self->request_url;
214     $url =~ s{\?reload=\d+}{};
215    
216 dpavlin 460 my $body = $a->{body};
217     $body ||= $self->as_markup if $self->can('as_markup');
218     if ( $self->content_type !~ m{html} ) {
219     warn "# return only $self body ", $self->content_type;
220     return $body
221     } elsif ( ! defined $body ) {
222     warn "# no body";
223     $body = '<!-- no body -->';
224     }
225 dpavlin 448
226 dpavlin 532 $status_line .= $self->warnings_html;
227 dpavlin 482
228 dpavlin 477 my ($exit,$description) = ('exit','stop server');
229     ($exit,$description) = ('restart','restart server')
230     if $ENV{FREY_RESTART}; # tune labels on exit link
231    
232 dpavlin 473 my $right =
233     qq|
234     <span class="right">
235 dpavlin 519 <a title="reload $url" href="/reload$url">reload</a>
236 dpavlin 477 <a title="$description" href="/exit$url">$exit</a>
237 dpavlin 473 </span>
238     |;
239    
240 dpavlin 577 my $svk = Frey::SVK->new;
241     my $info = $svk->info;
242     my $revision = $svk->info->{Revision} || '';
243 dpavlin 516 $revision = $1 if $info->{'Mirrored From'} =~ m{Rev\.\s+(\d+)};
244 dpavlin 505
245 dpavlin 527 $self->add_icon unless $icon_html;
246 dpavlin 524
247 dpavlin 388 my $html = join("\n",
248     qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|,
249     $self->_head_html,
250 dpavlin 418 '<title>' . ( $self->title || $a->{title} || ref($self) ) . '</title>',
251 dpavlin 388 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
252 dpavlin 527 ( $icon_html || '<!-- no icon -->' ),
253 dpavlin 388 ( $a->{head} || '' ),
254     qq|
255 dpavlin 448 </head><body>
256     $body
257 dpavlin 388 <div class="frey-status-line">
258 dpavlin 505 <a href="/">Frey</a> $Frey::VERSION $revision
259 dpavlin 388 $status_line
260 dpavlin 473 $right
261 dpavlin 210 </div>
262     </body></html>
263 dpavlin 388 |,
264     );
265 dpavlin 100
266 dpavlin 121 warn "## >>> page ",length($html), " bytes\n" if $self->debug;
267 dpavlin 100
268 dpavlin 121 return $html;
269 dpavlin 100 }
270    
271 dpavlin 480 =head2 editor
272    
273     Create HTML editor link with optional line and title
274    
275     my $html = $self->editor( $class, $line, $title );
276    
277     =cut
278    
279     sub editor {
280     my ( $self, $class, $line, $title ) = @_;
281     confess "need class" unless $class;
282 dpavlin 519 if ( ! defined $title ) {
283     $title = "edit $class";
284     $title .= " line $line" if $line;
285     }
286     $line ||= 1;
287 dpavlin 480 qq|<a target="editor" href="/editor+$class+$line"| .
288     ( $title ? qq| title="$title"| : '' ) .
289     qq|>$class</a>|;
290     }
291    
292     =head2 editor_links
293    
294     Create HTML links to editor for perl error message
295    
296     my $html = $self->editor_links( $error )
297    
298     =cut
299    
300 dpavlin 468 sub editor_links {
301     my ( $self, $error ) = @_;
302    
303     $error =~ s{at\s+(\S+)\s+line\s+(\d+)}
304     {at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
305    
306 dpavlin 581 $error =~ s{(via (?:package) "?)([\w:]+)("?)}
307 dpavlin 468 {$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm;
308    
309     return $error;
310     }
311    
312 dpavlin 350 sub error {
313 dpavlin 397 my $self = shift;
314     my $error = join(" ", @_);
315 dpavlin 460
316 dpavlin 465 my @backtrace = $self->backtrace;
317     $error .= "\n\t" . join( "\n\t", @backtrace ) if @backtrace;
318 dpavlin 460
319     warn "ERROR: $error\n";
320 dpavlin 468 return
321     qq|<pre class="frey-error">|
322     . $self->editor_links( $error ) .
323     qq|</pre>|
324     ;
325 dpavlin 350 }
326    
327 dpavlin 577 =head1 Status line
328    
329     =head2 add_status
330    
331 dpavlin 581 $self->add_status( { name => { some => 'data' } } );
332 dpavlin 577
333     $self->add_status( "append to last status popup" );
334    
335     =cut
336    
337 dpavlin 507 sub add_status {
338     my ( $self, $data ) = @_;
339 dpavlin 581 push @status, { 'X' => [ $self->backtrace ] };
340 dpavlin 577 if ( ref($data) ) {
341     push @status, $data;
342     } else {
343 dpavlin 581 if ( defined $status[ $#status ] ) {
344     $status[ $#status ]->{ '+' } = $data;
345     } else {
346     push @status, { '+' => $data };
347     }
348 dpavlin 577 }
349 dpavlin 507 }
350    
351 dpavlin 577 =head2 clean_status
352    
353     Called at beginning of each request
354    
355     $self->clean_status;
356    
357     =cut
358    
359 dpavlin 519 sub clean_status {
360 dpavlin 577 my ($self) = shift;
361 dpavlin 578 @head = ( 'static/frey.css' );
362 dpavlin 581 @status = (
363     { 'ClassBrowser' => Frey::ClassBrowser->new( usage_on_top => 0 )->as_markup },
364     { 'Bookmarklets' => Frey::Bookmarklet->new->as_markup },
365     { 'INC' => Frey::INC->new->as_markup },
366     );
367 dpavlin 527 $icon_html = '';
368 dpavlin 519 }
369    
370 dpavlin 577 =head2 status_parts
371    
372     Dump all status line parts
373    
374     $self->status_parts
375    
376     =cut
377    
378 dpavlin 519 sub status_parts {
379     warn "## status parts ", dump( map { keys %$_ } @status );
380     }
381    
382 dpavlin 568 =for debug
383    
384 dpavlin 518 sub DEMOLISH {
385     my ( $self ) = @_;
386 dpavlin 529 warn "## $self DEMOLISH status ", $#status + 1, " elements ", dump( map { keys %$_ } @status ) if @status;
387 dpavlin 518 }
388    
389 dpavlin 568 =cut
390    
391 dpavlin 527 =head2 add_icon
392    
393     Frey::Foo->add_icon; # /static/icons/Frey/Foo.png
394     Frey::Foo->add_icon('warning'); # /static/icons/Frey/Foo/warning.png
395    
396     =cut
397    
398 dpavlin 529 sub icon_path {
399     my ($self,$class,$variant) = @_;
400     my $icon = $class;
401 dpavlin 524 $icon =~ s{::}{/}g;
402 dpavlin 529 $icon .= "/$variant" if $variant;
403     my $path = 'static/icons/' . $icon . '.png';
404     if ( -e $path ) {
405 dpavlin 577 warn "# $class from $self icon_path $path" if $self->debug;
406 dpavlin 529 return $path;
407     } else {
408 dpavlin 564 $self->TODO( "add $path icon for $class" );
409 dpavlin 529 return undef;
410     }
411     }
412 dpavlin 524
413 dpavlin 529 sub add_icon {
414     my ($self,$variant) = @_;
415 dpavlin 524
416 dpavlin 529 my $class = ref($self);
417     $class = $self->class if $self->can('class');
418     my $icon_path = $self->icon_path( $class, $variant ) || return;
419 dpavlin 524
420 dpavlin 529 $icon_html .= qq|<link rel="icon" type="image/png" href="/$icon_path">|;
421     warn "# using icon $icon_path";
422    
423 dpavlin 527 =for later
424    
425 dpavlin 529 # FIXME http://en.wikipedia.org/wiki/Favicon suggest just rel="icon" but that doesn't seem to work!
426     my $ico_path = $icon_path;
427     $ico_path =~ s{png$}{ico};
428     if ( ! -e $ico_path ) {
429     system "convert $icon_path $ico_path";
430     warn "# convert $icon_path $ico_path : $@";
431     }
432     $icon_html .= qq|<link rel="shortcut icon" type="image/x-icon" href="/$ico_path">| if -e $ico_path;
433 dpavlin 524
434 dpavlin 527 =cut
435    
436 dpavlin 524 }
437    
438 dpavlin 532 my $warn_colors = {
439     '#' => '#444',
440     '##' => '#888',
441     };
442    
443     my $multiline_markers = {
444 dpavlin 535 '(' => ')',
445 dpavlin 532 '{' => '}',
446 dpavlin 535 '[' => ']',
447 dpavlin 532 '"' => '"',
448     };
449    
450     my $multiline_re = '[\\' . join('\\', keys %$multiline_markers ) . ']';
451     warn "## multiline markers ", dump( $multiline_markers ), " -> $multiline_re";
452    
453     sub log_path {
454     $Frey::Bootstrap::log_path || warn "no log_path?";
455     }
456    
457     sub warnings_html {
458     my ($self,$level) = shift;
459 dpavlin 535 $level ||= $self->debug,
460 dpavlin 532 my $path = $self->log_path;
461    
462     my $warnings;
463     my $line = 0;
464     my $multiline_end;
465    
466     open(my $log, '<', $path) || die "can't open $path: $!";
467     while(<$log>) {
468     chomp;
469     $line++;
470    
471     my $style = '';
472    
473 dpavlin 535 if ( $multiline_end ) {
474     if ( m{^\Q$multiline_end\E} || m{^\s.+\Q$multiline_end\E;$} ) {
475 dpavlin 537 # warn "## $line end of $multiline_end in '$_'\n";
476 dpavlin 535 undef $multiline_end;
477     } else {
478 dpavlin 537 # warn "## $line skipped\n";
479 dpavlin 535 }
480     } elsif ( m{^(#*)\s+} ) {
481 dpavlin 532 my $l = $1 ? length($1) : 0;
482 dpavlin 535 if ( $l > $level ) {
483     undef $multiline_end;
484     $multiline_end = $multiline_markers->{$1} if m{($multiline_re)$};
485 dpavlin 537 # warn "## $line start $1 .. $multiline_end level $l > $level for '$_'\n" if $multiline_end;
486 dpavlin 535 next;
487     }
488 dpavlin 532
489     $style = $warn_colors->{$1}
490     ? ' style="color:' . $warn_colors->{$1} . '"'
491     : '';
492    
493 dpavlin 535 my $msg = $self->html_escape( $_ );
494     my $spacer = ' ';
495 dpavlin 543 if ( length($msg) > $self->html_dump_width ) {
496     $msg = substr( $msg, 0, $self->html_dump_width );
497 dpavlin 535 $spacer = '&hellip;'
498     }
499     $msg =~ s{^\s}{&nbsp;}g;
500     $warnings .= qq|<tt$style>$msg</tt>$spacer<small><a target="editor" href="/editor+$path+$line">+$line</a></small><br/>|;
501 dpavlin 532 # FIXME <tt> should be <code> but CSS hates me
502     }
503     }
504     close($log) || die "can't close $path: $!";
505    
506     return
507     qq|<span class="frey-popup"><a target="editor" href="/editor+$path+$line" title="open $path level $level">warn</a><span>|
508     . $self->editor_links( $warnings )
509     . qq|</span></span>|
510     ;
511     }
512    
513 dpavlin 543
514     =head2 backtrace
515    
516     Show backtrace with links to editor
517    
518     my @backtrace = $self->backtrace;
519    
520     =cut
521    
522     sub backtrace {
523     my ($self) = @_;
524    
525     my @backtrace;
526     foreach ( 0 .. 5 ) {
527     my (
528     $package,$path,$line
529     # subroutine hasargs
530     # wantarray evaltext is_require
531     # hints bitmask hinthash
532     ) = caller($_) or last;
533    
534     push @backtrace,
535 dpavlin 581 qq|via $package at $path line $line|;
536 dpavlin 543 }
537     warn "# backtrace: ", dump( @backtrace ) if @backtrace;
538     return @backtrace;
539     }
540    
541 dpavlin 100 1;

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