[ViewVC] Diff of: cvs/rxvt-unicode/src/urxvt.pm

Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.214 by root, Wed Jun 6 15:26:32 2012 UTC vs.
Revision 1.235 by sf-exg, Sat May 17 15:33:24 2014 UTC

…		…
1	=encoding utf8	1	=encoding utf8
2		2
3	=head1 NAME	3	=head1 NAME
4		4
5	@@RXVT_NAME@@perl - rxvt-unicode's embedded perl interpreter	5	urxvtperl - rxvt-unicode's embedded perl interpreter
6		6
7	=head1 SYNOPSIS	7	=head1 SYNOPSIS
8		8
9	# create a file grab_test in $HOME:	9	# create a file grab_test in $HOME:
10		10
11	sub on_sel_grab {	11	sub on_sel_grab {
12	warn "you selected ", $_[0]->selection;	12	warn "you selected ", $_[0]->selection;
13	()	13	()
14	}	14	}
15		15
16	# start a @@RXVT_NAME@@ using it:	16	# start a urxvt using it:
17		17
18	@@RXVT_NAME@@ --perl-lib $HOME -pe grab_test	18	urxvt --perl-lib $HOME -pe grab_test
19		19
20	=head1 DESCRIPTION	20	=head1 DESCRIPTION
21		21
22	Every time a terminal object gets created, extension scripts specified via	22	Every time a terminal object gets created, extension scripts specified via
23	the C<perl> resource are loaded and associated with it.	23	the C<perl> resource are loaded and associated with it.
24		24
25	Scripts are compiled in a 'use strict' and 'use utf8' environment, and	25	Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26	thus must be encoded as UTF-8.	26	thus must be encoded as UTF-8.
27		27
28	Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where	28	Each script will only ever be loaded once, even in urxvtd, where
29	scripts will be shared (but not enabled) for all terminals.	29	scripts will be shared (but not enabled) for all terminals.
30		30
31	You can disable the embedded perl interpreter by setting both "perl-ext"	31	You can disable the embedded perl interpreter by setting both "perl-ext"
32	and "perl-ext-common" resources to the empty string.	32	and "perl-ext-common" resources to the empty string.
33		33
34	=head1 PREPACKAGED EXTENSIONS	34	=head1 PREPACKAGED EXTENSIONS
35		35
36	This section describes the extensions delivered with this release. You can	36	A number of extensions are delivered with this release. You can find them
37	find them in F<@@RXVT_LIBDIR@@/urxvt/perl/>.	37	in F<< <libdir>/urxvt/perl/ >>, and the documentation can be viewed using
		38	F<< man urxvt-<EXTENSIONNAME> >>.
38		39
39	You can activate them like this:	40	You can activate them like this:
40		41
41	@@RXVT_NAME@@ -pe <extensionname>	42	urxvt -pe <extensionname>
42		43
43	Or by adding them to the resource for extensions loaded by default:	44	Or by adding them to the resource for extensions loaded by default:
44		45
45	URxvt.perl-ext-common: default,selection-autotransform	46	URxvt.perl-ext-common: default,selection-autotransform
46		47
47	=over 4	48	Extensions that add command line parameters or resources on their own are
48		49	loaded automatically when used.
49	=item selection (enabled by default)
50
51	(More) intelligent selection. This extension tries to be more intelligent
52	when the user extends selections (double-click and further clicks). Right
53	now, it tries to select words, urls and complete shell-quoted
54	arguments, which is very convenient, too, if your F<ls> supports
55	C<--quoting-style=shell>.
56
57	A double-click usually selects the word under the cursor, further clicks
58	will enlarge the selection.
59
60	The selection works by trying to match a number of regexes and displaying
61	them in increasing order of length. You can add your own regexes by
62	specifying resources of the form:
63
64	URxvt.selection.pattern-0: perl-regex
65	URxvt.selection.pattern-1: perl-regex
66	...
67
68	The index number (0, 1...) must not have any holes, and each regex must
69	contain at least one pair of capturing parentheses, which will be used for
70	the match. For example, the following adds a regex that matches everything
71	between two vertical bars:
72
73	URxvt.selection.pattern-0: \\\|([^\|]+)\\\|
74
75	Another example: Programs I use often output "absolute path: " at the
76	beginning of a line when they process multiple files. The following
77	pattern matches the filename (note, there is a single space at the very
78	end):
79
80	URxvt.selection.pattern-0: ^(/[^:]+):\
81
82	You can look at the source of the selection extension to see more
83	interesting uses, such as parsing a line from beginning to end.
84
85	This extension also offers following bindable keyboard commands:
86
87	=over 4
88
89	=item rot13
90
91	Rot-13 the selection when activated. Used via keyboard trigger:
92
93	URxvt.keysym.C-M-r: perl:selection:rot13
94
95	=back
96
97	=item option-popup (enabled by default)
98
99	Binds a popup menu to Ctrl-Button2 that lets you toggle (some) options at
100	runtime.
101
102	Other extensions can extend this popup menu by pushing a code reference
103	onto C<@{ $term->{option_popup_hook} }>, which gets called whenever the
104	popup is being displayed.
105
106	Its sole argument is the popup menu, which can be modified. It should
107	either return nothing or a string, the initial boolean value and a code
108	reference. The string will be used as button text and the code reference
109	will be called when the toggle changes, with the new boolean value as
110	first argument.
111
112	The following will add an entry C<myoption> that changes
113	C<< $self->{myoption} >>:
114
115	push @{ $self->{term}{option_popup_hook} }, sub {
116	("my option" => $myoption, sub { $self->{myoption} = $_[0] })
117	};
118
119	=item selection-popup (enabled by default)
120
121	Binds a popup menu to Ctrl-Button3 that lets you convert the selection
122	text into various other formats/action (such as uri unescaping, perl
123	evaluation, web-browser starting etc.), depending on content.
124
125	Other extensions can extend this popup menu by pushing a code reference
126	onto C<@{ $term->{selection_popup_hook} }>, which gets called whenever the
127	popup is being displayed.
128
129	Its sole argument is the popup menu, which can be modified. The selection
130	is in C<$_>, which can be used to decide whether to add something or not.
131	It should either return nothing or a string and a code reference. The
132	string will be used as button text and the code reference will be called
133	when the button gets activated and should transform C<$_>.
134
135	The following will add an entry C<a to b> that transforms all C<a>s in
136	the selection to C<b>s, but only if the selection currently contains any
137	C<a>s:
138
139	push @{ $self->{term}{selection_popup_hook} }, sub {
140	/a/ ? ("a to b" => sub { s/a/b/g }
141	: ()
142	};
143
144	=item searchable-scrollback<hotkey> (enabled by default)
145
146	Adds regex search functionality to the scrollback buffer, triggered
147	by a hotkey (default: C<M-s>). While in search mode, normal terminal
148	input/output is suspended and a regex is displayed at the bottom of the
149	screen.
150
151	Inputting characters appends them to the regex and continues incremental
152	search. C<BackSpace> removes a character from the regex, C<Up> and C<Down>
153	search upwards/downwards in the scrollback buffer, C<End> jumps to the
154	bottom. C<Escape> leaves search mode and returns to the point where search
155	was started, while C<Enter> or C<Return> stay at the current position and
156	additionally stores the first match in the current line into the primary
157	selection if the C<Shift> modifier is active.
158
159	The regex defaults to "(?i)", resulting in a case-insensitive search. To
160	get a case-sensitive search you can delete this prefix using C<BackSpace>
161	or simply use an uppercase character which removes the "(?i)" prefix.
162
163	See L<perlre> for more info about perl regular expression syntax.
164
165	=item readline (enabled by default)
166
167	A support package that tries to make editing with readline easier. At
168	the moment, it reacts to clicking shift-left mouse button by trying to
169	move the text cursor to this position. It does so by generating as many
170	cursor-left or cursor-right keypresses as required (this only works
171	for programs that correctly support wide characters).
172
173	To avoid too many false positives, this is only done when:
174
175	=over 4
176
177	=item - the tty is in ICANON state.
178
179	=item - the text cursor is visible.
180
181	=item - the primary screen is currently being displayed.
182
183	=item - the mouse is on the same (multi-row-) line as the text cursor.
184
185	=back
186
187	The normal selection mechanism isn't disabled, so quick successive clicks
188	might interfere with selection creation in harmless ways.
189
190	=item selection-autotransform
191
192	This selection allows you to do automatic transforms on a selection
193	whenever a selection is made.
194
195	It works by specifying perl snippets (most useful is a single C<s///>
196	operator) that modify C<$_> as resources:
197
198	URxvt.selection-autotransform.0: transform
199	URxvt.selection-autotransform.1: transform
200	...
201
202	For example, the following will transform selections of the form
203	C<filename:number>, often seen in compiler messages, into C<vi +$filename
204	$word>:
205
206	URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/
207
208	And this example matches the same,but replaces it with vi-commands you can
209	paste directly into your (vi :) editor:
210
211	URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/
212
213	Of course, this can be modified to suit your needs and your editor :)
214
215	To expand the example above to typical perl error messages ("XXX at
216	FILENAME line YYY."), you need a slightly more elaborate solution:
217
218	URxvt.selection.pattern-0: ( at .*? line \\d+[,.])
219	URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/
220
221	The first line tells the selection code to treat the unchanging part of
222	every error message as a selection pattern, and the second line transforms
223	the message into vi commands to load the file.
224
225	=item tabbed
226
227	This transforms the terminal into a tabbar with additional terminals, that
228	is, it implements what is commonly referred to as "tabbed terminal". The topmost line
229	displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one
230	button per tab.
231
232	Clicking a button will activate that tab. Pressing B<Shift-Left> and
233	B<Shift-Right> will switch to the tab left or right of the current one,
234	while B<Shift-Down> creates a new tab.
235
236	The tabbar itself can be configured similarly to a normal terminal, but
237	with a resource class of C<URxvt.tabbed>. In addition, it supports the
238	following four resources (shown with defaults):
239
240	URxvt.tabbed.tabbar-fg: <colour-index, default 3>
241	URxvt.tabbed.tabbar-bg: <colour-index, default 0>
242	URxvt.tabbed.tab-fg: <colour-index, default 0>
243	URxvt.tabbed.tab-bg: <colour-index, default 1>
244
245	See I<COLOR AND GRAPHICS> in the @@RXVT_NAME@@(1) manpage for valid
246	indices.
247
248	=item matcher
249
250	Uses per-line display filtering (C<on_line_update>) to underline text
251	matching a certain pattern and make it clickable. When clicked with the
252	mouse button specified in the C<matcher.button> resource (default 2, or
253	middle), the program specified in the C<matcher.launcher> resource
254	(default, the C<urlLauncher> resource, C<sensible-browser>) will be started
255	with the matched text as first argument. The default configuration is
256	suitable for matching URLs and launching a web browser, like the
257	former "mark-urls" extension.
258
259	The default pattern to match URLs can be overridden with the
260	C<matcher.pattern.0> resource, and additional patterns can be specified
261	with numbered patterns, in a manner similar to the "selection" extension.
262	The launcher can also be overridden on a per-pattern basis.
263
264	It is possible to activate the most recently seen match or a list of matches
265	from the keyboard. Simply bind a keysym to "perl:matcher:last" or
266	"perl:matcher:list" as seen in the example below.
267
268	Example configuration:
269
270	URxvt.perl-ext: default,matcher
271	URxvt.urlLauncher: sensible-browser
272	URxvt.keysym.C-Delete: perl:matcher:last
273	URxvt.keysym.M-Delete: perl:matcher:list
274	URxvt.matcher.button: 1
275	URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-]
276	URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:\|$)
277	URxvt.matcher.launcher.2: gvim +$2 $1
278
279	=item xim-onthespot
280
281	This (experimental) perl extension implements OnTheSpot editing. It does
282	not work perfectly, and some input methods don't seem to work well with
283	OnTheSpot editing in general, but it seems to work at least for SCIM and
284	kinput2.
285
286	You enable it by specifying this extension and a preedit style of
287	C<OnTheSpot>, i.e.:
288
289	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
290
291	=item kuake<hotkey>
292
293	A very primitive quake-console-like extension. It was inspired by a
294	description of how the programs C<kuake> and C<yakuake> work: Whenever the
295	user presses a global accelerator key (by default C<F10>), the terminal
296	will show or hide itself. Another press of the accelerator key will hide
297	or show it again.
298
299	Initially, the window will not be shown when using this extension.
300
301	This is useful if you need a single terminal that is not using any desktop
302	space most of the time but is quickly available at the press of a key.
303
304	The accelerator key is grabbed regardless of any modifiers, so this
305	extension will actually grab a physical key just for this function.
306
307	If you want a quake-like animation, tell your window manager to do so
308	(fvwm can do it).
309
310	=item overlay-osc
311
312	This extension implements some OSC commands to display timed popups on the
313	screen - useful for status displays from within scripts. You have to read
314	the sources for more info.
315
316	=item block-graphics-to-ascii
317
318	A not very useful example of filtering all text output to the terminal
319	by replacing all line-drawing characters (U+2500 .. U+259F) by a
320	similar-looking ascii character.
321
322	=item digital-clock
323
324	Displays a digital clock using the built-in overlay.
325
326	=item remote-clipboard
327
328	Somewhat of a misnomer, this extension adds two menu entries to the
329	selection popup that allows one to run external commands to store the
330	selection somewhere and fetch it again.
331
332	We use it to implement a "distributed selection mechanism", which just
333	means that one command uploads the file to a remote server, and another
334	reads it.
335
336	The commands can be set using the C<URxvt.remote-selection.store> and
337	C<URxvt.remote-selection.fetch> resources. The first should read the
338	selection to store from STDIN (always in UTF-8), the second should provide
339	the selection data on STDOUT (also in UTF-8).
340
341	The defaults (which are likely useless to you) use rsh and cat:
342
343	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
344	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
345
346	=item selection-pastebin
347
348	This is a little rarely useful extension that uploads the selection as
349	textfile to a remote site (or does other things). (The implementation is
350	not currently secure for use in a multiuser environment as it writes to
351	F</tmp> directly.).
352
353	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
354	i.e.
355
356	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
357
358	Pressing this combination runs a command with C<%> replaced by the name of
359	the textfile. This command can be set via a resource:
360
361	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
362
363	And the default is likely not useful to anybody but the few people around
364	here :)
365
366	The name of the textfile is the hex encoded md5 sum of the selection, so
367	the same content should lead to the same filename.
368
369	After a successful upload the selection will be replaced by the text given
370	in the C<selection-pastebin-url> resource (again, the % is the placeholder
371	for the filename):
372
373	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
374
375	I<Note to xrdb users:> xrdb uses the C preprocessor, which might interpret
376	the double C</> characters as comment start. Use C<\057\057> instead,
377	which works regardless of whether xrdb is used to parse the resource file
378	or not.
379
380	=item macosx-clipboard and macosx-clipboard-native
381
382	These two modules implement an extended clipboard for Mac OS X. They are
383	used like this:
384
385	URxvt.perl-ext-common: default,macosx-clipboard
386	URxvt.keysym.M-c: perl:macosx-clipboard:copy
387	URxvt.keysym.M-v: perl:macosx-clipboard:paste
388
389	The difference between them is that the native variant requires a
390	perl from apple's devkit or so, and C<macosx-clipboard> requires the
391	C<Mac::Pasteboard> module, works with other perls, has fewer bugs, is
392	simpler etc. etc.
393
394	=item example-refresh-hooks
395
396	Displays a very simple digital clock in the upper right corner of the
397	window. Illustrates overwriting the refresh callbacks to create your own
398	overlays or changes.
399
400	=item confirm-paste
401
402	Displays a confirmation dialog when a paste containing at least a full
403	line is detected.
404
405	=item bell-command
406
407	Runs the command specified by the C<URxvt.bell-command> resource when
408	a bell event occurs. For example, the following pops up a notification
409	bubble with the text "Beep, Beep" using notify-send:
410
411	URxvt.bell-command: notify-send "Beep, Beep"
412
413	=back
414		50
415	=head1 API DOCUMENTATION	51	=head1 API DOCUMENTATION
416		52
417	=head2 General API Considerations	53	=head2 General API Considerations
418		54
467	internal use.	103	internal use.
468		104
469	Although it isn't a C<urxvt::term> object, you can call all methods of the	105	Although it isn't a C<urxvt::term> object, you can call all methods of the
470	C<urxvt::term> class on this object.	106	C<urxvt::term> class on this object.
471		107
472	It has the following methods and data members:	108	Additional methods only supported for extension objects are described in
473		109	the C<urxvt::extension> section below.
474	=over 4
475
476	=item $urxvt_term = $self->{term}
477
478	Returns the C<urxvt::term> object associated with this instance of the
479	extension. This member I<must not> be changed in any way.
480
481	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
482
483	Dynamically enable the given hooks (named without the C<on_> prefix) for
484	this extension, replacing any previous hook. This is useful when you want
485	to overwrite time-critical hooks only temporarily.
486
487	=item $self->disable ($hook_name[, $hook_name..])
488
489	Dynamically disable the given hooks.
490
491	=back
492		110
493	=head2 Hooks	111	=head2 Hooks
494		112
495	The following subroutines can be declared in extension files, and will be	113	The following subroutines can be declared in extension files, and will be
496	called whenever the relevant event happens.	114	called whenever the relevant event happens.
…		…
663		281
664	=item on_refresh_end $term	282	=item on_refresh_end $term
665		283
666	Called just after the screen gets redrawn. See C<on_refresh_begin>.	284	Called just after the screen gets redrawn. See C<on_refresh_begin>.
667		285
668	=item on_user_command $term, $string	286	=item on_user_command $term, $string DEPRECATED
669		287
670	Called whenever a user-configured event is being activated (e.g. via	288	Called whenever a user-configured event is being activated (e.g. via
671	a C<perl:string> action bound to a key, see description of the B<keysym>	289	a C<perl:string> action bound to a key, see description of the B<keysym>
672	resource in the @@RXVT_NAME@@(1) manpage).	290	resource in the urxvt(1) manpage).
673		291
674	The event is simply the action string. This interface is assumed to change	292	The event is simply the action string. This interface is going away in
675	slightly in the future.	293	preference to the C<on_action> hook.
676
677	=item on_register_command $term, $keysym, $modifiermask, $string
678
679	Called after parsing a keysym resource but before registering the
680	associated binding. If this hook returns TRUE the binding is not
681	registered. It can be used to modify a binding by calling
682	C<register_command>.
683		294
684	=item on_resize_all_windows $term, $new_width, $new_height	295	=item on_resize_all_windows $term, $new_width, $new_height
685		296
686	Called just after the new window size has been calculated, but before	297	Called just after the new window size has been calculated, but before
687	windows are actually being resized or hints are being set. If this hook	298	windows are actually being resized or hints are being set. If this hook
688	returns TRUE, setting of the window hints is being skipped.	299	returns a true value, setting of the window hints is being skipped.
689		300
690	=item on_x_event $term, $event	301	=item on_x_event $term, $event
691		302
692	Called on every X event received on the vt window (and possibly other	303	Called on every X event received on the vt window (and possibly other
693	windows). Should only be used as a last resort. Most event structure	304	windows). Should only be used as a last resort. Most event structure
…		…
733	(real, not screen-based) row and column under the mouse cursor.	344	(real, not screen-based) row and column under the mouse cursor.
734		345
735	C<on_key_press> additionally receives the string rxvt-unicode would	346	C<on_key_press> additionally receives the string rxvt-unicode would
736	output, if any, in locale-specific encoding.	347	output, if any, in locale-specific encoding.
737		348
738	subwindow.
739
740	=item on_client_message $term, $event	349	=item on_client_message $term, $event
741		350
742	=item on_wm_protocols $term, $event	351	=item on_wm_protocols $term, $event
743		352
744	=item on_wm_delete_window $term, $event	353	=item on_wm_delete_window $term, $event
…		…
755	=cut	364	=cut
756		365
757	package urxvt;	366	package urxvt;
758		367
759	use utf8;	368	use utf8;
760	use strict;	369	use strict 'vars';
761	use Carp ();	370	use Carp ();
762	use Scalar::Util ();	371	use Scalar::Util ();
763	use List::Util ();	372	use List::Util ();
764		373
765	our $VERSION = 1;	374	our $VERSION = 1;
…		…
946	no warnings 'utf8';	555	no warnings 'utf8';
947		556
948	sub parse_resource {	557	sub parse_resource {
949	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;	558	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
950		559
		560	$name =~ y/-/./ if $isarg;
		561
951	$term->scan_meta;	562	$term->scan_extensions;
952		563
953	my $r = $term->{meta}{resource};	564	my $r = $term->{meta}{resource};
		565	keys %$r; # reset iterator
954	while (my ($pattern, $v) = each %$r) {	566	while (my ($pattern, $v) = each %$r) {
955	$name =~ y/-/./ if $isarg;
956
957	if (	567	if (
958	$pattern =~ /\.$/	568	$pattern =~ /\.$/
959	? $pattern eq substr $name, 0, length $pattern	569	? $pattern eq substr $name, 0, length $pattern
960	: $pattern eq $name	570	: $pattern eq $name
961	) {	571	) {
962	$name = "$urxvt::RESCLASS.$name";	572	$name = "$urxvt::RESCLASS.$name";
963		573
964	push @TERM_EXT, $v->[0];	574	push @{ $term->{perl_ext_3} }, $v->[0];
965		575
966	if ($v->[1] eq "boolean") {	576	if ($v->[1] eq "boolean") {
967	$term->put_option_db ($name, $flag ? "true" : "false");	577	$term->put_option_db ($name, $flag ? "true" : "false");
968	return 1;	578	return 1;
969	} else {	579	} else {
…		…
977	}	587	}
978		588
979	sub usage {	589	sub usage {
980	my ($term, $usage_type) = @_;	590	my ($term, $usage_type) = @_;
981		591
982	$term->scan_meta;	592	$term->scan_extensions;
983		593
984	my $r = $term->{meta}{resource};	594	my $r = $term->{meta}{resource};
985		595
986	for my $pattern (sort keys %$r) {	596	for my $pattern (sort keys %$r) {
987	my ($ext, $type, $desc) = @{ $r->{$pattern} };	597	my ($ext, $type, $desc) = @{ $r->{$pattern} };
…		…
1023	$pkg =~ s/[^[:word:]]/_/g;	633	$pkg =~ s/[^[:word:]]/_/g;
1024	$pkg = "urxvt::ext::$pkg";	634	$pkg = "urxvt::ext::$pkg";
1025		635
1026	verbose 3, "loading extension '$path' into package '$pkg'";	636	verbose 3, "loading extension '$path' into package '$pkg'";
1027		637
		638	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		639
1028	open my $fh, "<:raw", $path	640	open my $fh, "<:raw", $path
1029	or die "$path: $!";	641	or die "$path: $!";
1030		642
1031	my $source =	643	my $source =
1032	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"	644	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
1033	. "#line 1 \"$path\"\n{\n"	645	. "#line 1 \"$path\"\n{\n"
1034	. (do { local $/; <$fh> })	646	. (do { local $/; <$fh> })
1035	. "\n};\n1";	647	. "\n};\n1";
1036		648
1037	eval $source	649	eval $source
…		…
1046	# called by the rxvt core	658	# called by the rxvt core
1047	sub invoke {	659	sub invoke {
1048	local $TERM = shift;	660	local $TERM = shift;
1049	my $htype = shift;	661	my $htype = shift;
1050		662
1051	if ($htype == 0) { # INIT	663	if ($htype == HOOK_INIT) {
1052	my @dirs = $TERM->perl_libdirs;	664	my @dirs = $TERM->perl_libdirs;
		665
		666	$TERM->scan_extensions;
1053		667
1054	my %ext_arg;	668	my %ext_arg;
1055		669
1056	{	670	{
1057	my @init = @TERM_INIT;	671	my @init = @TERM_INIT;
…		…
1060	my @pkg = @TERM_EXT;	674	my @pkg = @TERM_EXT;
1061	@TERM_EXT = ();	675	@TERM_EXT = ();
1062	$TERM->register_package ($_) for @pkg;	676	$TERM->register_package ($_) for @pkg;
1063	}	677	}
1064		678
		679	for (
		680	@{ delete $TERM->{perl_ext_3} },
1065	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	681	grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
		682	) {
1066	if ($_ eq "default") {	683	if ($_ eq "default") {
1067	$ext_arg{$_} \|\|= [] for qw(selection option-popup selection-popup searchable-scrollback readline);	684	$ext_arg{$_} \|\|= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
1068	} elsif (/^-(.*)$/) {	685	} elsif (/^-(.*)$/) {
1069	delete $ext_arg{$1};	686	delete $ext_arg{$1};
1070	} elsif (/^([^<]+)<(.*)>$/) {	687	} elsif (/^([^<]+)<(.*)>$/) {
…		…
1092		709
1093	if (my $cb = $TERM->{_hook}[$htype]) {	710	if (my $cb = $TERM->{_hook}[$htype]) {
1094	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	711	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
1095	if $verbosity >= 10;	712	if $verbosity >= 10;
1096		713
		714	if ($htype == HOOK_ACTION) {
		715	# this hook is only sent to the extension with the name
		716	# matching the first arg
		717	my $pkg = shift;
		718	$pkg =~ y/-/_/;
		719	$pkg = "urxvt::ext::$pkg";
		720
		721	$cb = $cb->{$pkg}
		722	or return undef; #TODO: maybe warn user?
		723
		724	$cb = { $pkg => $cb };
		725	}
		726
1097	for my $pkg (keys %$cb) {	727	for my $pkg (keys %$cb) {
1098	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };	728	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} \|\| $TERM, @_) };
1099	$retval \|\|= $retval_;	729	$retval \|\|= $retval_;
1100		730
1101	if ($@) {	731	if ($@) {
1102	$TERM->ungrab; # better to lose the grab than the session	732	$TERM->ungrab; # better to lose the grab than the session
1103	warn $@;	733	warn $@;
…		…
1106		736
1107	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	737	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
1108	if $verbosity >= 11;	738	if $verbosity >= 11;
1109	}	739	}
1110		740
1111	if ($htype == 1) { # DESTROY	741	if ($htype == HOOK_DESTROY) {
1112	# clear package objects	742	# clear package objects
1113	%$_ = () for values %{ $TERM->{_pkg} };	743	%$_ = () for values %{ $TERM->{_pkg} };
1114		744
1115	# clear package	745	# clear package
1116	%$TERM = ();	746	%$TERM = ();
…		…
1146	}	776	}
1147	}	777	}
1148	($mask, @color{qw(fg bg)}, \@failed)	778	($mask, @color{qw(fg bg)}, \@failed)
1149	}	779	}
1150		780
1151	# urxvt::term::extension
1152
1153	package urxvt::term::extension;	781	package urxvt::term::extension;
1154		782
1155	sub enable {	783	=head2 The C<urxvt::term::extension> class
1156	my ($self, %hook) = @_;
1157	my $pkg = $self->{_pkg};
1158		784
1159	while (my ($name, $cb) = each %hook) {	785	Each extension attached to a terminal object is represented by
1160	my $htype = $HOOKTYPE{uc $name};	786	a C<urxvt::term::extension> object.
1161	defined $htype
1162	or Carp::croak "unsupported hook type '$name'";
1163		787
1164	$self->set_should_invoke ($htype, +1)	788	You can use these objects, which are passed to all callbacks to store any
1165	unless exists $self->{term}{_hook}[$htype]{$pkg};	789	state related to the terminal and extension instance.
1166		790
1167	$self->{term}{_hook}[$htype]{$pkg} = $cb;	791	The methods (And data members) documented below can be called on extension
1168	}	792	objects, in addition to call methods documented for the <urxvt::term>
1169	}	793	class.
1170		794
1171	sub disable {	795	=over 4
1172	my ($self, @hook) = @_;
1173	my $pkg = $self->{_pkg};
1174		796
1175	for my $name (@hook) {	797	=item $urxvt_term = $self->{term}
1176	my $htype = $HOOKTYPE{uc $name};
1177	defined $htype
1178	or Carp::croak "unsupported hook type '$name'";
1179		798
1180	$self->set_should_invoke ($htype, -1)	799	Returns the C<urxvt::term> object associated with this instance of the
1181	if delete $self->{term}{_hook}[$htype]{$pkg};	800	extension. This member I<must not> be changed in any way.
1182	}	801
1183	}	802	=cut
1184		803
1185	our $AUTOLOAD;	804	our $AUTOLOAD;
1186		805
1187	sub AUTOLOAD {	806	sub AUTOLOAD {
1188	$AUTOLOAD =~ /:([^:]+)$/	807	$AUTOLOAD =~ /:([^:]+)$/
…		…
1201		820
1202	sub DESTROY {	821	sub DESTROY {
1203	# nop	822	# nop
1204	}	823	}
1205		824
1206	# urxvt::destroy_hook	825	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
1207		826
1208	sub urxvt::destroy_hook::DESTROY {	827	sub urxvt::destroy_hook::DESTROY {
1209	${$_[0]}->();	828	${$_[0]}->();
1210	}	829	}
1211		830
1212	sub urxvt::destroy_hook(&) {	831	sub urxvt::destroy_hook(&) {
1213	bless \shift, urxvt::destroy_hook::	832	bless \shift, urxvt::destroy_hook::
1214	}	833	}
		834
		835	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		836
		837	Dynamically enable the given hooks (named without the C<on_> prefix) for
		838	this extension, replacing any hook previously installed via C<enable> in
		839	this extension.
		840
		841	This is useful when you want to overwrite time-critical hooks only
		842	temporarily.
		843
		844	To install additional callbacks for the same hook, you can use the C<on>
		845	method of the C<urxvt::term> class.
		846
		847	=item $self->disable ($hook_name[, $hook_name..])
		848
		849	Dynamically disable the given hooks.
		850
		851	=cut
		852
		853	sub enable {
		854	my ($self, %hook) = @_;
		855	my $pkg = $self->{_pkg};
		856
		857	while (my ($name, $cb) = each %hook) {
		858	my $htype = $HOOKTYPE{uc $name};
		859	defined $htype
		860	or Carp::croak "unsupported hook type '$name'";
		861
		862	$self->set_should_invoke ($htype, +1)
		863	unless exists $self->{term}{_hook}[$htype]{$pkg};
		864
		865	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		866	}
		867	}
		868
		869	sub disable {
		870	my ($self, @hook) = @_;
		871	my $pkg = $self->{_pkg};
		872
		873	for my $name (@hook) {
		874	my $htype = $HOOKTYPE{uc $name};
		875	defined $htype
		876	or Carp::croak "unsupported hook type '$name'";
		877
		878	$self->set_should_invoke ($htype, -1)
		879	if delete $self->{term}{_hook}[$htype]{$pkg};
		880	}
		881	}
		882
		883	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		884
		885	Similar to the C<enable> enable, but installs additional callbacks for
		886	the given hook(s) (that is, it doesn't replace existing callbacks), and
		887	returns a guard object. When the guard object is destroyed the callbacks
		888	are disabled again.
		889
		890	=cut
		891
		892	sub urxvt::extension::on_disable::DESTROY {
		893	my $disable = shift;
		894
		895	my $term = delete $disable->{""};
		896
		897	while (my ($htype, $id) = each %$disable) {
		898	delete $term->{_hook}[$htype]{$id};
		899	$term->set_should_invoke ($htype, -1);
		900	}
		901	}
		902
		903	sub on {
		904	my ($self, %hook) = @_;
		905
		906	my $term = $self->{term};
		907
		908	my %disable = ( "" => $term );
		909
		910	while (my ($name, $cb) = each %hook) {
		911	my $htype = $HOOKTYPE{uc $name};
		912	defined $htype
		913	or Carp::croak "unsupported hook type '$name'";
		914
		915	$term->set_should_invoke ($htype, +1);
		916	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		917	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		918	}
		919
		920	bless \%disable, "urxvt::extension::on_disable"
		921	}
		922
		923	=item $self->x_resource ($pattern)
		924
		925	=item $self->x_resource_boolean ($pattern)
		926
		927	These methods support an additional C<%> prefix when called on an
		928	extension object - see the description of these methods in the
		929	C<urxvt::term> class for details.
		930
		931	=cut
		932
		933	sub x_resource {
		934	my ($self, $name) = @_;
		935	$name =~ s/^%(\.\|$)/$_[0]{_name}$1/;
		936	$self->{term}->x_resource ($name)
		937	}
		938
		939	sub x_resource_boolean {
		940	my ($self, $name) = @_;
		941	$name =~ s/^%(\.\|$)/$_[0]{_name}$1/;
		942	$self->{term}->x_resource_boolean ($name)
		943	}
		944
		945	=back
		946
		947	=cut
1215		948
1216	package urxvt::anyevent;	949	package urxvt::anyevent;
1217		950
1218	=head2 The C<urxvt::anyevent> Class	951	=head2 The C<urxvt::anyevent> Class
1219		952
…		…
1315	urxvt::verbose 6, "register package $pkg to $self";	1048	urxvt::verbose 6, "register package $pkg to $self";
1316		1049
1317	@{"$pkg\::ISA"} = urxvt::term::extension::;	1050	@{"$pkg\::ISA"} = urxvt::term::extension::;
1318		1051
1319	my $proxy = bless {	1052	my $proxy = bless {
1320	_pkg => $pkg,	1053	_pkg => $pkg,
		1054	_name => ${"$pkg\::_NAME"}, # hackish
1321	argv => $argv,	1055	argv => $argv,
1322	}, $pkg;	1056	}, $pkg;
1323	Scalar::Util::weaken ($proxy->{term} = $self);	1057	Scalar::Util::weaken ($proxy->{term} = $self);
1324		1058
1325	$self->{_pkg}{$pkg} = $proxy;	1059	$self->{_pkg}{$pkg} = $proxy;
1326		1060
…		…
1337	$ENV{URXVT_PERL_LIB},	1071	$ENV{URXVT_PERL_LIB},
1338	"$ENV{HOME}/.urxvt/ext",	1072	"$ENV{HOME}/.urxvt/ext",
1339	"$LIBDIR/perl"	1073	"$LIBDIR/perl"
1340	}	1074	}
1341		1075
1342	sub scan_meta {	1076	# scan for available extensions and collect their metadata
		1077	sub scan_extensions {
1343	my ($self) = @_;	1078	my ($self) = @_;
		1079
		1080	return if exists $self->{meta};
		1081
1344	my @libdirs = perl_libdirs $self;	1082	my @libdirs = perl_libdirs $self;
1345		1083
1346	return if $self->{meta_libdirs} eq join "\x00", @libdirs;	1084	return if $self->{meta_libdirs} eq join "\x00", @libdirs;
1347		1085
1348	my %meta;	1086	my %meta;
1349		1087
1350	$self->{meta_libdirs} = join "\x00", @libdirs;	1088	$self->{meta_libdirs} = join "\x00", @libdirs;
1351	$self->{meta} = \%meta;	1089	$self->{meta} = \%meta;
1352		1090
		1091	my %ext;
		1092
		1093	# first gather extensions
1353	for my $dir (reverse @libdirs) {	1094	for my $dir (reverse @libdirs) {
1354	opendir my $fh, $dir	1095	opendir my $fh, $dir
1355	or next;	1096	or next;
1356	for my $ext (readdir $fh) {	1097	for my $ext (readdir $fh) {
1357	$ext ne "."	1098	$ext !~ /^\./
1358	and $ext ne ".."
1359	and open my $fh, "<", "$dir/$ext"	1099	and open my $fh, "<", "$dir/$ext"
1360	or next;	1100	or next;
1361		1101
		1102	my %ext = (dir => $dir);
		1103
1362	while (<$fh>) {	1104	while (<$fh>) {
1363	if (/^#:META:X_RESOURCE:(.*)/) {	1105	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
1364	my ($pattern, $type, $desc) = split /:/, $1;	1106	my ($pattern, $type, $desc) = split /:/, $1;
1365	$pattern =~ s/^%(\.\|$)/$ext$1/g; # % in pattern == extension name	1107	$pattern =~ s/^%(\.\|$)/$ext$1/g; # % in pattern == extension name
1366	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {	1108	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
1367	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";	1109	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
1368	} else {	1110	} else {
1369	$meta{resource}{$pattern} = [$ext, $type, $desc];	1111	$ext{resource}{$pattern} = [$ext, $type, $desc];
1370	}	1112	}
		1113	} elsif (/^#:META:BINDING:(.*)/) {
		1114	my ($keysym, $action) = split /:/, $1;
		1115	$ext{binding}{$keysym} = $action;
1371	} elsif (/^\s*(?:#\|$)/) {	1116	} elsif (/^\s*(?:#\|$)/) {
1372	# skip other comments and empty lines	1117	# skip other comments and empty lines
1373	} else {	1118	} else {
1374	last; # stop parsing on first non-empty non-comment line	1119	last; # stop parsing on first non-empty non-comment line
1375	}	1120	}
1376	}	1121	}
		1122
		1123	$meta{$ext} = \%ext;
1377	}	1124	}
		1125	}
		1126
		1127	# and now merge resources and bindings
		1128	while (my ($k, $v) = each %ext) {
		1129	#TODO: should check for extensions overriding each other
		1130	%{ $meta{resource} } = (%{ $meta{resource} }, %{ $v->{resource} });
		1131	%{ $meta{binding} } = (%{ $meta{binding} }, %{ $v->{binding} });
1378	}	1132	}
1379	}	1133	}
1380		1134
1381	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1135	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1382		1136
…		…
1402	}	1156	}
1403		1157
1404	=item $term->destroy	1158	=item $term->destroy
1405		1159
1406	Destroy the terminal object (close the window, free resources	1160	Destroy the terminal object (close the window, free resources
1407	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1161	etc.). Please note that urxvt will not exit as long as any event
1408	watchers (timers, io watchers) are still active.	1162	watchers (timers, io watchers) are still active.
1409		1163
1410	=item $term->exec_async ($cmd[, @args])	1164	=item $term->exec_async ($cmd[, @args])
1411		1165
1412	Works like the combination of the C<fork>/C<exec> builtins, which executes	1166	Works like the combination of the C<fork>/C<exec> builtins, which executes
…		…
1468		1222
1469	Here is a likely non-exhaustive list of resource names, not all of which	1223	Here is a likely non-exhaustive list of resource names, not all of which
1470	are supported in every build, please see the source file F</src/rsinc.h>	1224	are supported in every build, please see the source file F</src/rsinc.h>
1471	to see the actual list:	1225	to see the actual list:
1472		1226
1473	answerbackstring backgroundPixmap backspace_key blendtype blurradius	1227	answerbackstring backgroundPixmap backspace_key blurradius
1474	boldFont boldItalicFont borderLess buffered chdir color cursorBlink	1228	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1475	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth	1229	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1476	fade font geometry hold iconName iconfile imFont imLocale inputMethod	1230	fade font geometry hold iconName iconfile imFont imLocale inputMethod
1477	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont	1231	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1478	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier	1232	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
…		…
1498	Returns the X-Resource for the given pattern, excluding the program or	1252	Returns the X-Resource for the given pattern, excluding the program or
1499	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1253	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1500	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1254	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1501	resource with that pattern exists.	1255	resource with that pattern exists.
1502		1256
		1257	Extensions that define extra resource or command line arguments also need
		1258	to call this method to access their values.
		1259
		1260	If the method is called on an extension object (basically, from an
		1261	extension), then the special prefix C<%.> will be replaced by the name of
		1262	the extension and a dot, and the lone string C<%> will be replaced by the
		1263	extension name itself. This makes it possible to code extensions so you
		1264	can rename them and get a new set of commandline switches and resources
		1265	without having to change the actual code.
		1266
1503	This method should only be called during the C<on_start> hook, as there is	1267	This method should only be called during the C<on_start> hook, as there is
1504	only one resource database per display, and later invocations might return	1268	only one resource database per display, and later invocations might return
1505	the wrong resources.	1269	the wrong resources.
1506		1270
1507	=item $value = $term->x_resource_boolean ($pattern)	1271	=item $value = $term->x_resource_boolean ($pattern)
…		…
1518	my $res = &x_resource;	1282	my $res = &x_resource;
1519		1283
1520	$res =~ /^\s(?:true\|yes\|on\|1)\s$/i ? 1 : defined $res && 0	1284	$res =~ /^\s(?:true\|yes\|on\|1)\s$/i ? 1 : defined $res && 0
1521	}	1285	}
1522		1286
1523	=item $success = $term->parse_keysym ($key, $octets)	1287	=item $success = $term->bind_action ($key, $octets)
1524		1288
1525	Adds a key binding exactly as specified via a resource. See the	1289	Adds a key binding exactly as specified via a C<keysym> resource. See the
1526	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1290	C<keysym> resource in the urxvt(1) manpage.
1527
1528	=item $term->register_command ($keysym, $modifiermask, $string)
1529
1530	Adds a key binding. This is a lower level api compared to
1531	C<parse_keysym>, as it expects a parsed key description, and can be
1532	used only inside either the C<on_init> hook, to add a binding, or the
1533	C<on_register_command> hook, to modify a parsed binding.
1534		1291
1535	=item $rend = $term->rstyle ([$new_rstyle])	1292	=item $rend = $term->rstyle ([$new_rstyle])
1536		1293
1537	Return and optionally change the current rendition. Text that is output by	1294	Return and optionally change the current rendition. Text that is output by
1538	the terminal application will use this style.	1295	the terminal application will use this style.
…		…
1718	=item $term->tt_write ($octets)	1475	=item $term->tt_write ($octets)
1719		1476
1720	Write the octets given in C<$octets> to the tty (i.e. as program input). To	1477	Write the octets given in C<$octets> to the tty (i.e. as program input). To
1721	pass characters instead of octets, you should convert your strings first	1478	pass characters instead of octets, you should convert your strings first
1722	to the locale-specific encoding using C<< $term->locale_encode >>.	1479	to the locale-specific encoding using C<< $term->locale_encode >>.
		1480
		1481	=item $term->tt_write_user_input ($octets)
		1482
		1483	Like C<tt_write>, but should be used when writing strings in response to
		1484	the user pressing a key, to invokes the additional actions requested by
		1485	the user for that case (C<tt_write> doesn't do that).
		1486
		1487	The typical use case would be inside C<on_action> hooks.
1723		1488
1724	=item $term->tt_paste ($octets)	1489	=item $term->tt_paste ($octets)
1725		1490
1726	Write the octets given in C<$octets> to the tty as a paste, converting NL to	1491	Write the octets given in C<$octets> to the tty as a paste, converting NL to
1727	CR and bracketing the data with control sequences if bracketed paste mode	1492	CR and bracketing the data with control sequences if bracketed paste mode
…		…
1961	}	1726	}
1962		1727
1963	sub urxvt::line::t {	1728	sub urxvt::line::t {
1964	my ($self) = @_;	1729	my ($self) = @_;
1965		1730
1966	if (@_ > 1)	1731	if (@_ > 1) {
1967	{
1968	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1732	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1969	for $self->{beg} .. $self->{end};	1733	for $self->{beg} .. $self->{end};
1970	}	1734	}
1971		1735
1972	defined wantarray &&	1736	defined wantarray &&
1973	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1737	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1974	0, $self->{len}	1738	0, $self->{len}
1975	}	1739	}
1976		1740
1977	sub urxvt::line::r {	1741	sub urxvt::line::r {
1978	my ($self) = @_;	1742	my ($self) = @_;
1979		1743
1980	if (@_ > 1)	1744	if (@_ > 1) {
1981	{
1982	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1745	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1983	for $self->{beg} .. $self->{end};	1746	for $self->{beg} .. $self->{end};
1984	}	1747	}
1985		1748
1986	if (defined wantarray) {	1749	if (defined wantarray) {
1987	my $rend = [	1750	my $rend = [
1988	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1751	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1989	];	1752	];

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Comparing rxvt-unicode/src/urxvt.pm (file contents): Revision 1.214 by root, Wed Jun 6 15:26:32 2012 UTC vs. Revision 1.235 by sf-exg, Sat May 17 15:33:24 2014 UTC

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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.214 by root, Wed Jun 6 15:26:32 2012 UTC vs.
Revision 1.235 by sf-exg, Sat May 17 15:33:24 2014 UTC