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

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Revision 540 - (hide annotations)
Wed Nov 26 18:02:38 2008 UTC (15 years, 4 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web.pm
File size: 10030 byte(s)
extracted %INC dumper into own class
1 dpavlin 100 package Frey::Web;
2     use Moose::Role;
3    
4 dpavlin 465 with 'Frey::Backtrace';
5    
6 dpavlin 388 use Frey::Types;
7    
8 dpavlin 100 use Continuity::Widget::DomNode;
9     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 156 has 'head' => (
20 dpavlin 121 is => 'rw',
21     isa => 'ArrayRef[Str]',
22 dpavlin 160 default => sub { [ 'static/frey.css' ] },
23 dpavlin 121 );
24    
25 dpavlin 392 has 'request_url' => (
26 dpavlin 388 is => 'rw',
27     isa => 'Uri', coerce => 1,
28     default => '/',
29     );
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     documentation => 'Maximum dump size sent to browser before truncation',
53     );
54    
55 dpavlin 161 has 'inline_smaller_than' => (
56     is => 'rw',
57     isa => 'Int',
58     default => 10240,
59 dpavlin 535 documentation => 'Inline JavaScript and CSS to reduce round-trips',
60 dpavlin 161 );
61    
62 dpavlin 535 has 'chop_warning' => (
63     is => 'rw',
64     isa => 'Int',
65     default => 80,
66     documentation => 'Crop lines longer',
67     );
68    
69     my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
70     my $escape_re = join '|' => keys %escape;
71    
72     sub html_escape {
73     my ( $self, $html ) = @_;
74     $html =~ s/($escape_re)/$escape{$1}/g;
75     return $html;
76     }
77    
78     sub html_dump {
79     my $self = shift;
80     $self->html_escape( dump( @_ ) );
81     }
82    
83 dpavlin 100 sub dom2html {
84 dpavlin 106 # warn "## dom2html ",dump( @_ );
85 dpavlin 100 return Continuity::Widget::DomNode->create( @_ )->to_string;
86     }
87    
88 dpavlin 161 sub _inline_path {
89     my ( $self, $path ) = @_;
90     -s $path < $self->inline_smaller_than;
91     }
92    
93 dpavlin 156 sub _head_html {
94     my $self = shift;
95 dpavlin 121 my $out = '';
96 dpavlin 156 foreach my $path ( @{ $self->head } ) {
97 dpavlin 121 $path =~ s!^/!!;
98 dpavlin 156 if ( $path =~ m/\.js$/ ) {
99 dpavlin 161 $out .= $self->_inline_path( $path ) ?
100 dpavlin 163 qq|<!-- $path --><script type="text/javascript">\n| . read_file($path) . qq|\n</script>| :
101 dpavlin 161 qq|<script type="text/javascript" src="/$path"></script>|;
102 dpavlin 156 } elsif ( $path =~ m/\.css$/ ) {
103 dpavlin 161 $out .= $self->_inline_path( $path ) ?
104 dpavlin 163 qq|<!-- $path --><style type="text/css">\n| . read_file( $path ) . qq|\n</style>| :
105 dpavlin 161 qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
106 dpavlin 446 } elsif ( $path =~ m{<.+>}s ) {
107 dpavlin 444 $out .= $path;
108 dpavlin 156 } else {
109     confess "don't know how to render $path";
110     }
111 dpavlin 163 $out .= "\n";
112 dpavlin 121 }
113     return $out;
114     }
115 dpavlin 100
116 dpavlin 154 =head2 add_head
117    
118     $o->add_head( 'path/to/external.js' );
119    
120     my $size = $o->add_head( 'path/to/external.css' );
121    
122 dpavlin 445 $o->add_head( '<!-- html content -->' );
123    
124 dpavlin 154 =cut
125    
126     sub add_head {
127     my ( $self, $path ) = @_;
128     return if ! defined $path || $path eq '';
129     $path =~ s!^/!!;
130    
131 dpavlin 446 if ( $path =~ m{<.*>}s ) {
132 dpavlin 444 push @{ $self->head }, $path;
133     } elsif ( -e $path ) {
134 dpavlin 156 if ( $path =~ m/\.(?:js|css)$/ ) {
135     push @{ $self->head }, $path;
136 dpavlin 154 } else {
137     confess "can't add_head( $path ) it's not js or css";
138     }
139 dpavlin 444 return -s $path;
140 dpavlin 154 } else {
141     confess "can't find $path: $!";
142     }
143    
144     }
145    
146 dpavlin 142 our $reload_counter = 0;
147    
148 dpavlin 183
149     =head2 page
150    
151     $self->page(
152     title => 'page title',
153     head => '<!-- optional head markup -->',
154     body => '<b>Page Body</b>',
155     );
156    
157     =cut
158    
159 dpavlin 519 our @status;
160     sub status { @status };
161    
162 dpavlin 527 our $icon_html;
163    
164 dpavlin 537 sub popup {
165     my ( $self, $name, $content, $full ) = @_;
166    
167     if ( ref($content) ) {
168     $content = '<code>' . dump($content) . '</code>';
169     my $l = length($content);
170     $content = qq|<span>$l bytes</span>| if ! $full && $l > $self->dump_max_bytes;
171     } else {
172     $content = qq|<span>$content</span>|;
173     }
174    
175     warn "## popup [$name] = ", length( $content ), " bytes" if $self->debug;
176     return qq|<span class="frey-popup">$name $content</span>\n|;
177     }
178    
179 dpavlin 121 sub page {
180 dpavlin 100 my $self = shift;
181 dpavlin 121 my $a = {@_};
182 dpavlin 100
183 dpavlin 519 warn "## page ",dump($a);
184    
185 dpavlin 142 $reload_counter++;
186    
187 dpavlin 388 my $status_line = '';
188 dpavlin 519
189     unshift @status, { 'ClassBrowser' => Frey::ClassBrowser->new( usage_on_top => 0 )->as_markup };
190 dpavlin 537 # unshift @status, { 'Bookmarklets' => Frey::Bookmarklet->new->as_markup };
191 dpavlin 540 unshift @status, { 'INC' => Frey::INC->new->as_markup };
192 dpavlin 519
193     foreach my $part ( @status ) {
194 dpavlin 388 foreach my $name ( keys %$part ) {
195 dpavlin 537 $status_line .= $self->popup( $name, $part->{$name} );
196 dpavlin 388 }
197     }
198    
199 dpavlin 439 my $url = $self->request_url;
200     $url =~ s{\?reload=\d+}{};
201    
202 dpavlin 460 my $body = $a->{body};
203     $body ||= $self->as_markup if $self->can('as_markup');
204     if ( $self->content_type !~ m{html} ) {
205     warn "# return only $self body ", $self->content_type;
206     return $body
207     } elsif ( ! defined $body ) {
208     warn "# no body";
209     $body = '<!-- no body -->';
210     }
211 dpavlin 448
212 dpavlin 532 $status_line .= $self->warnings_html;
213 dpavlin 482
214 dpavlin 477 my ($exit,$description) = ('exit','stop server');
215     ($exit,$description) = ('restart','restart server')
216     if $ENV{FREY_RESTART}; # tune labels on exit link
217    
218 dpavlin 473 my $right =
219     qq|
220     <span class="right">
221 dpavlin 519 <a title="reload $url" href="/reload$url">reload</a>
222 dpavlin 477 <a title="$description" href="/exit$url">$exit</a>
223 dpavlin 473 </span>
224     |;
225    
226 dpavlin 516 my $info = Frey::SVK->info;
227 dpavlin 505 my $revision = Frey::SVK->info->{Revision} || '';
228 dpavlin 516 $revision = $1 if $info->{'Mirrored From'} =~ m{Rev\.\s+(\d+)};
229 dpavlin 505
230 dpavlin 527 $self->add_icon unless $icon_html;
231 dpavlin 524
232 dpavlin 388 my $html = join("\n",
233     qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|,
234     $self->_head_html,
235 dpavlin 418 '<title>' . ( $self->title || $a->{title} || ref($self) ) . '</title>',
236 dpavlin 388 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
237 dpavlin 527 ( $icon_html || '<!-- no icon -->' ),
238 dpavlin 388 ( $a->{head} || '' ),
239     qq|
240 dpavlin 448 </head><body>
241     $body
242 dpavlin 388 <div class="frey-status-line">
243 dpavlin 505 <a href="/">Frey</a> $Frey::VERSION $revision
244 dpavlin 388 $status_line
245 dpavlin 473 $right
246 dpavlin 210 </div>
247     </body></html>
248 dpavlin 388 |,
249     );
250 dpavlin 100
251 dpavlin 121 warn "## >>> page ",length($html), " bytes\n" if $self->debug;
252 dpavlin 100
253 dpavlin 121 return $html;
254 dpavlin 100 }
255    
256 dpavlin 480 =head2 editor
257    
258     Create HTML editor link with optional line and title
259    
260     my $html = $self->editor( $class, $line, $title );
261    
262     =cut
263    
264     sub editor {
265     my ( $self, $class, $line, $title ) = @_;
266     confess "need class" unless $class;
267 dpavlin 519 if ( ! defined $title ) {
268     $title = "edit $class";
269     $title .= " line $line" if $line;
270     }
271     $line ||= 1;
272 dpavlin 480 qq|<a target="editor" href="/editor+$class+$line"| .
273     ( $title ? qq| title="$title"| : '' ) .
274     qq|>$class</a>|;
275     }
276    
277     =head2 editor_links
278    
279     Create HTML links to editor for perl error message
280    
281     my $html = $self->editor_links( $error )
282    
283     =cut
284    
285 dpavlin 468 sub editor_links {
286     my ( $self, $error ) = @_;
287    
288     $error =~ s{at\s+(\S+)\s+line\s+(\d+)}
289     {at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
290    
291     $error =~ s{(via package ")([\w:]+)(")}
292     {$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm;
293    
294     return $error;
295     }
296    
297 dpavlin 350 sub error {
298 dpavlin 397 my $self = shift;
299     my $error = join(" ", @_);
300 dpavlin 460
301 dpavlin 465 my @backtrace = $self->backtrace;
302     $error .= "\n\t" . join( "\n\t", @backtrace ) if @backtrace;
303 dpavlin 460
304     warn "ERROR: $error\n";
305 dpavlin 468 return
306     qq|<pre class="frey-error">|
307     . $self->editor_links( $error ) .
308     qq|</pre>|
309     ;
310 dpavlin 350 }
311    
312 dpavlin 507 sub add_status {
313     my ( $self, $data ) = @_;
314 dpavlin 519 push @status, $data;
315 dpavlin 507 }
316    
317 dpavlin 519 sub clean_status {
318     @status = ();
319 dpavlin 527 $icon_html = '';
320 dpavlin 519 }
321    
322     sub status_parts {
323     warn "## status parts ", dump( map { keys %$_ } @status );
324     }
325    
326 dpavlin 518 sub DEMOLISH {
327     my ( $self ) = @_;
328 dpavlin 529 warn "## $self DEMOLISH status ", $#status + 1, " elements ", dump( map { keys %$_ } @status ) if @status;
329 dpavlin 518 }
330    
331 dpavlin 527 =head2 add_icon
332    
333     Frey::Foo->add_icon; # /static/icons/Frey/Foo.png
334     Frey::Foo->add_icon('warning'); # /static/icons/Frey/Foo/warning.png
335    
336     =cut
337    
338 dpavlin 529 sub icon_path {
339     my ($self,$class,$variant) = @_;
340     my $icon = $class;
341 dpavlin 524 $icon =~ s{::}{/}g;
342 dpavlin 529 $icon .= "/$variant" if $variant;
343     my $path = 'static/icons/' . $icon . '.png';
344     if ( -e $path ) {
345     warn "# $class from $self icon_path $path";
346     return $path;
347     } else {
348     warn "TODO: add $path icon for $class";
349     return undef;
350     }
351     }
352 dpavlin 524
353 dpavlin 529 sub add_icon {
354     my ($self,$variant) = @_;
355 dpavlin 524
356 dpavlin 529 my $class = ref($self);
357     $class = $self->class if $self->can('class');
358     my $icon_path = $self->icon_path( $class, $variant ) || return;
359 dpavlin 524
360 dpavlin 529 $icon_html .= qq|<link rel="icon" type="image/png" href="/$icon_path">|;
361     warn "# using icon $icon_path";
362    
363 dpavlin 527 =for later
364    
365 dpavlin 529 # FIXME http://en.wikipedia.org/wiki/Favicon suggest just rel="icon" but that doesn't seem to work!
366     my $ico_path = $icon_path;
367     $ico_path =~ s{png$}{ico};
368     if ( ! -e $ico_path ) {
369     system "convert $icon_path $ico_path";
370     warn "# convert $icon_path $ico_path : $@";
371     }
372     $icon_html .= qq|<link rel="shortcut icon" type="image/x-icon" href="/$ico_path">| if -e $ico_path;
373 dpavlin 524
374 dpavlin 527 =cut
375    
376 dpavlin 524 }
377    
378 dpavlin 532 my $warn_colors = {
379     '#' => '#444',
380     '##' => '#888',
381     };
382    
383     my $multiline_markers = {
384 dpavlin 535 '(' => ')',
385 dpavlin 532 '{' => '}',
386 dpavlin 535 '[' => ']',
387 dpavlin 532 '"' => '"',
388     };
389    
390     my $multiline_re = '[\\' . join('\\', keys %$multiline_markers ) . ']';
391     warn "## multiline markers ", dump( $multiline_markers ), " -> $multiline_re";
392    
393     sub log_path {
394     $Frey::Bootstrap::log_path || warn "no log_path?";
395     }
396    
397     sub warnings_html {
398     my ($self,$level) = shift;
399 dpavlin 535 $level ||= $self->debug,
400 dpavlin 532 my $path = $self->log_path;
401    
402     my $warnings;
403     my $line = 0;
404     my $multiline_end;
405    
406     open(my $log, '<', $path) || die "can't open $path: $!";
407     while(<$log>) {
408     chomp;
409     $line++;
410    
411     my $style = '';
412    
413 dpavlin 535 if ( $multiline_end ) {
414     if ( m{^\Q$multiline_end\E} || m{^\s.+\Q$multiline_end\E;$} ) {
415 dpavlin 537 # warn "## $line end of $multiline_end in '$_'\n";
416 dpavlin 535 undef $multiline_end;
417     } else {
418 dpavlin 537 # warn "## $line skipped\n";
419 dpavlin 535 }
420     } elsif ( m{^(#*)\s+} ) {
421 dpavlin 532 my $l = $1 ? length($1) : 0;
422 dpavlin 535 if ( $l > $level ) {
423     undef $multiline_end;
424     $multiline_end = $multiline_markers->{$1} if m{($multiline_re)$};
425 dpavlin 537 # warn "## $line start $1 .. $multiline_end level $l > $level for '$_'\n" if $multiline_end;
426 dpavlin 535 next;
427     }
428 dpavlin 532
429     $style = $warn_colors->{$1}
430     ? ' style="color:' . $warn_colors->{$1} . '"'
431     : '';
432    
433 dpavlin 535 my $msg = $self->html_escape( $_ );
434     my $spacer = ' ';
435     if ( length($msg) > $self->chop_warning ) {
436     $msg = substr( $msg, 0, $self->chop_warning );
437     $spacer = '&hellip;'
438     }
439     $msg =~ s{^\s}{&nbsp;}g;
440     $warnings .= qq|<tt$style>$msg</tt>$spacer<small><a target="editor" href="/editor+$path+$line">+$line</a></small><br/>|;
441 dpavlin 532 # FIXME <tt> should be <code> but CSS hates me
442     }
443     }
444     close($log) || die "can't close $path: $!";
445    
446     return
447     qq|<span class="frey-popup"><a target="editor" href="/editor+$path+$line" title="open $path level $level">warn</a><span>|
448     . $self->editor_links( $warnings )
449     . qq|</span></span>|
450     ;
451     }
452    
453 dpavlin 100 1;

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