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Revision 1.171 by root, Fri Oct 10 00:11:44 2008 UTC vs.
Revision 1.251 by root, Fri Dec 26 22:52:23 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 may add additional resources and C<actions>, i.e., methods
48		49	which can be bound to a key and invoked by the user. An extension can
49	=item selection (enabled by default)	50	define the resources it support using so called META comments,
50		51	described below. Similarly to builtin resources, extension resources
51	(More) intelligent selection. This extension tries to be more intelligent	52	can also be specified on the command line as long options (with C<.>
52	when the user extends selections (double-click and further clicks). Right	53	replaced by C<->), in which case the corresponding extension is loaded
53	now, it tries to select words, urls and complete shell-quoted	54	automatically. For this to work the extension B<must> define META
54	arguments, which is very convenient, too, if your F<ls> supports	55	comments for its resources.
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 from the keyboard.
265	Simply bind a keysym to "perl:matcher" as seen in the example below.
266
267	Example configuration:
268
269	URxvt.perl-ext: default,matcher
270	URxvt.urlLauncher: sensible-browser
271	URxvt.keysym.C-Delete: perl:matcher
272	URxvt.matcher.button: 1
273	URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-]
274	URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$)
275	URxvt.matcher.launcher.2: gvim +$2 $1
276
277	=item xim-onthespot
278
279	This (experimental) perl extension implements OnTheSpot editing. It does
280	not work perfectly, and some input methods don't seem to work well with
281	OnTheSpot editing in general, but it seems to work at least for SCIM and
282	kinput2.
283
284	You enable it by specifying this extension and a preedit style of
285	C<OnTheSpot>, i.e.:
286
287	@@RXVT_NAME@@ -pt OnTheSpot -pe xim-onthespot
288
289	=item kuake<hotkey>
290
291	A very primitive quake-console-like extension. It was inspired by a
292	description of how the programs C<kuake> and C<yakuake> work: Whenever the
293	user presses a global accelerator key (by default C<F10>), the terminal
294	will show or hide itself. Another press of the accelerator key will hide
295	or show it again.
296
297	Initially, the window will not be shown when using this extension.
298
299	This is useful if you need a single terminal that is not using any desktop
300	space most of the time but is quickly available at the press of a key.
301
302	The accelerator key is grabbed regardless of any modifiers, so this
303	extension will actually grab a physical key just for this function.
304
305	If you want a quake-like animation, tell your window manager to do so
306	(fvwm can do it).
307
308	=item block-graphics-to-ascii
309
310	A not very useful example of filtering all text output to the terminal
311	by replacing all line-drawing characters (U+2500 .. U+259F) by a
312	similar-looking ascii character.
313
314	=item digital-clock
315
316	Displays a digital clock using the built-in overlay.
317
318	=item remote-clipboard
319
320	Somewhat of a misnomer, this extension adds two menu entries to the
321	selection popup that allows one to run external commands to store the
322	selection somewhere and fetch it again.
323
324	We use it to implement a "distributed selection mechanism", which just
325	means that one command uploads the file to a remote server, and another
326	reads it.
327
328	The commands can be set using the C<URxvt.remote-selection.store> and
329	C<URxvt.remote-selection.fetch> resources. The first should read the
330	selection to store from STDIN (always in UTF-8), the second should provide
331	the selection data on STDOUT (also in UTF-8).
332
333	The defaults (which are likely useless to you) use rsh and cat:
334
335	URxvt.remote-selection.store: rsh ruth 'cat >/tmp/distributed-selection'
336	URxvt.remote-selection.fetch: rsh ruth 'cat /tmp/distributed-selection'
337
338	=item selection-pastebin
339
340	This is a little rarely useful extension that Uploads the selection as
341	textfile to a remote site (or does other things). (The implementation is
342	not currently secure for use in a multiuser environment as it writes to
343	F</tmp> directly.).
344
345	It listens to the C<selection-pastebin:remote-pastebin> keyboard command,
346	i.e.
347
348	URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin
349
350	Pressing this combination runs a command with C<%> replaced by the name of
351	the textfile. This command can be set via a resource:
352
353	URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/.
354
355	And the default is likely not useful to anybody but the few people around
356	here :)
357
358	The name of the textfile is the hex encoded md5 sum of the selection, so
359	the same content should lead to the same filename.
360
361	After a successful upload the selection will be replaced by the text given
362	in the C<selection-pastebin-url> resource (again, the % is the placeholder
363	for the filename):
364
365	URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/%
366
367	I<Note to xrdb users:> xrdb uses the C preprocessor, which might interpret
368	the double C</> characters as comment start. Use C<\057\057> instead,
369	which works regardless of wether xrdb is used to parse the resource file
370	or not.
371
372	=item example-refresh-hooks
373
374	Displays a very simple digital clock in the upper right corner of the
375	window. Illustrates overwriting the refresh callbacks to create your own
376	overlays or changes.
377
378	=back
379		56
380	=head1 API DOCUMENTATION	57	=head1 API DOCUMENTATION
381		58
382	=head2 General API Considerations	59	=head2 General API Considerations
383		60
…		…
397		74
398	=over 4	75	=over 4
399		76
400	=item $text	77	=item $text
401		78
402	Rxvt-unicodes special way of encoding text, where one "unicode" character	79	Rxvt-unicode's special way of encoding text, where one "unicode" character
403	always represents one screen cell. See L<ROW_t> for a discussion of this format.	80	always represents one screen cell. See L<ROW_t> for a discussion of this format.
404		81
405	=item $string	82	=item $string
406		83
407	A perl text string, with an emphasis on I<text>. It can store all unicode	84	A perl text string, with an emphasis on I<text>. It can store all unicode
…		…
411	=item $octets	88	=item $octets
412		89
413	Either binary data or - more common - a text string encoded in a	90	Either binary data or - more common - a text string encoded in a
414	locale-specific way.	91	locale-specific way.
415		92
		93	=item $keysym
		94
		95	an integer that is a valid X11 keysym code. You can convert a string
		96	into a keysym and viceversa by using C<XStringToKeysym> and
		97	C<XKeysymToString>.
		98
416	=back	99	=back
417		100
418	=head2 Extension Objects	101	=head2 Extension Objects
419		102
420	Every perl extension is a perl class. A separate perl object is created	103	Every perl extension is a perl class. A separate perl object is created
421	for each terminal, and each terminal has its own set of extenion objects,	104	for each terminal, and each terminal has its own set of extension objects,
422	which are passed as the first parameter to hooks. So extensions can use	105	which are passed as the first parameter to hooks. So extensions can use
423	their C<$self> object without having to think about clashes with other	106	their C<$self> object without having to think about clashes with other
424	extensions or other terminals, with the exception of methods and members	107	extensions or other terminals, with the exception of methods and members
425	that begin with an underscore character C<_>: these are reserved for	108	that begin with an underscore character C<_>: these are reserved for
426	internal use.	109	internal use.
427		110
428	Although it isn't a C<urxvt::term> object, you can call all methods of the	111	Although it isn't a C<urxvt::term> object, you can call all methods of the
429	C<urxvt::term> class on this object.	112	C<urxvt::term> class on this object.
430		113
431	It has the following methods and data members:	114	Additional methods only supported for extension objects are described in
		115	the C<urxvt::extension> section below.
		116
		117	=head2 META comments
		118
		119	Rxvt-unicode recognizes special meta comments in extensions that define
		120	different types of metadata.
		121
		122	Currently, it recognises only one such comment:
432		123
433	=over 4	124	=over 4
434		125
435	=item $urxvt_term = $self->{term}	126	=item #:META:RESOURCE:name:type:desc
436		127
437	Returns the C<urxvt::term> object associated with this instance of the	128	The RESOURCE comment defines a resource used by the extension, where
438	extension. This member I<must not> be changed in any way.	129	C<name> is the resource name, C<type> is the resource type, C<boolean>
439		130	or C<string>, and C<desc> is the resource description.
440	=item $self->enable ($hook_name => $cb, [$hook_name => $cb..])
441
442	Dynamically enable the given hooks (named without the C<on_> prefix) for
443	this extension, replacing any previous hook. This is useful when you want
444	to overwrite time-critical hooks only temporarily.
445
446	=item $self->disable ($hook_name[, $hook_name..])
447
448	Dynamically disable the given hooks.
449		131
450	=back	132	=back
451		133
452	=head2 Hooks	134	=head2 Hooks
453		135
…		…
590	=item on_tt_write $term, $octets	272	=item on_tt_write $term, $octets
591		273
592	Called whenever some data is written to the tty/pty and can be used to	274	Called whenever some data is written to the tty/pty and can be used to
593	suppress or filter tty input.	275	suppress or filter tty input.
594		276
		277	=item on_tt_paste $term, $octets
		278
		279	Called whenever text is about to be pasted, with the text as argument. You
		280	can filter/change and paste the text yourself by returning a true value
		281	and calling C<< $term->tt_paste >> yourself. C<$octets> is
		282	locale-encoded.
		283
595	=item on_line_update $term, $row	284	=item on_line_update $term, $row
596		285
597	Called whenever a line was updated or changed. Can be used to filter	286	Called whenever a line was updated or changed. Can be used to filter
598	screen output (e.g. underline urls or other useless stuff). Only lines	287	screen output (e.g. underline urls or other useless stuff). Only lines
599	that are being shown will be filtered, and, due to performance reasons,	288	that are being shown will be filtered, and, due to performance reasons,
…		…
615		304
616	=item on_refresh_end $term	305	=item on_refresh_end $term
617		306
618	Called just after the screen gets redrawn. See C<on_refresh_begin>.	307	Called just after the screen gets redrawn. See C<on_refresh_begin>.
619		308
		309	=item on_action $term, $string
		310
		311	Called whenever an action is invoked for the corresponding extension
		312	(e.g. via a C<extension:string> builtin action bound to a key, see
		313	description of the B<keysym> resource in the urxvt(1) manpage). The
		314	event is simply the action string. Note that an action event is always
		315	associated to a single extension.
		316
620	=item on_user_command $term, $string	317	=item on_user_command $term, $string *DEPRECATED*
621		318
622	Called whenever a user-configured event is being activated (e.g. via	319	Called whenever a user-configured event is being activated (e.g. via
623	a C<perl:string> action bound to a key, see description of the B<keysym>	320	a C<perl:string> action bound to a key, see description of the B<keysym>
624	resource in the @@RXVT_NAME@@(1) manpage).	321	resource in the urxvt(1) manpage).
625		322
626	The event is simply the action string. This interface is assumed to change	323	The event is simply the action string. This interface is going away in
627	slightly in the future.	324	preference to the C<on_action> hook.
628		325
629	=item on_resize_all_windows $tern, $new_width, $new_height	326	=item on_resize_all_windows $term, $new_width, $new_height
630		327
631	Called just after the new window size has been calculated, but before	328	Called just after the new window size has been calculated, but before
632	windows are actually being resized or hints are being set. If this hook	329	windows are actually being resized or hints are being set. If this hook
633	returns TRUE, setting of the window hints is being skipped.	330	returns a true value, setting of the window hints is being skipped.
634		331
635	=item on_x_event $term, $event	332	=item on_x_event $term, $event
636		333
637	Called on every X event received on the vt window (and possibly other	334	Called on every X event received on the vt window (and possibly other
638	windows). Should only be used as a last resort. Most event structure	335	windows). Should only be used as a last resort. Most event structure
…		…
668		365
669	=item on_map_notify $term, $event	366	=item on_map_notify $term, $event
670		367
671	=item on_unmap_notify $term, $event	368	=item on_unmap_notify $term, $event
672		369
673	Called whenever the corresponding X event is received for the terminal If	370	Called whenever the corresponding X event is received for the terminal. If
674	the hook returns true, then the even will be ignored by rxvt-unicode.	371	the hook returns true, then the event will be ignored by rxvt-unicode.
675		372
676	The event is a hash with most values as named by Xlib (see the XEvent	373	The event is a hash with most values as named by Xlib (see the XEvent
677	manpage), with the additional members C<row> and C<col>, which are the	374	manpage), with the additional members C<row> and C<col>, which are the
678	(real, not screen-based) row and column under the mouse cursor.	375	(real, not screen-based) row and column under the mouse cursor.
679		376
680	C<on_key_press> additionally receives the string rxvt-unicode would	377	C<on_key_press> additionally receives the string rxvt-unicode would
681	output, if any, in locale-specific encoding.	378	output, if any, in locale-specific encoding.
682		379
683	subwindow.
684
685	=item on_client_message $term, $event	380	=item on_client_message $term, $event
686		381
687	=item on_wm_protocols $term, $event	382	=item on_wm_protocols $term, $event
688		383
689	=item on_wm_delete_window $term, $event	384	=item on_wm_delete_window $term, $event
690		385
691	Called when various types of ClientMessage events are received (all with	386	Called when various types of ClientMessage events are received (all with
692	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).	387	format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW).
693		388
		389	=item on_bell $term
		390
		391	Called on receipt of a bell character.
		392
694	=back	393	=back
695		394
696	=cut	395	=cut
697		396
698	package urxvt;	397	package urxvt;
699		398
700	use utf8;	399	use utf8;
701	use strict;	400	use strict 'vars';
702	use Carp ();	401	use Carp ();
703	use Scalar::Util ();	402	use Scalar::Util ();
704	use List::Util ();	403	use List::Util ();
705		404
706	our $VERSION = 1;	405	our $VERSION = 1;
707	our $TERM;	406	our $TERM;
708	our @TERM_INIT;	407	our @TERM_INIT; # should go, prevents async I/O etc.
709	our @TERM_EXT;	408	our @TERM_EXT; # should go, prevents async I/O etc.
710	our @HOOKNAME;	409	our @HOOKNAME;
711	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;	410	our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
712	our %OPTION;	411	our %OPTION;
713		412
714	our $LIBDIR;	413	our $LIBDIR;
…		…
762		461
763	=over 4	462	=over 4
764		463
765	=item urxvt::fatal $errormessage	464	=item urxvt::fatal $errormessage
766		465
767	Fatally aborts execution with the given error message. Avoid at all	466	Fatally aborts execution with the given error message (which should
768	costs! The only time this is acceptable is when the terminal process	467	include a trailing newline). Avoid at all costs! The only time this
769	starts up.	468	is acceptable (and useful) is in the init hook, where it prevents the
		469	terminal from starting up.
770		470
771	=item urxvt::warn $string	471	=item urxvt::warn $string
772		472
773	Calls C<rxvt_warn> with the given string which should not include a	473	Calls C<rxvt_warn> with the given string which should include a trailing
774	newline. The module also overwrites the C<warn> builtin with a function	474	newline. The module also overwrites the C<warn> builtin with a function
775	that calls this function.	475	that calls this function.
776		476
777	Using this function has the advantage that its output ends up in the	477	Using this function has the advantage that its output ends up in the
778	correct place, e.g. on stderr of the connecting urxvtc client.	478	correct place, e.g. on stderr of the connecting urxvtc client.
…		…
782	=item @terms = urxvt::termlist	482	=item @terms = urxvt::termlist
783		483
784	Returns all urxvt::term objects that exist in this process, regardless of	484	Returns all urxvt::term objects that exist in this process, regardless of
785	whether they are started, being destroyed etc., so be careful. Only term	485	whether they are started, being destroyed etc., so be careful. Only term
786	objects that have perl extensions attached will be returned (because there	486	objects that have perl extensions attached will be returned (because there
787	is no urxvt::term objet associated with others).	487	is no urxvt::term object associated with others).
788		488
789	=item $time = urxvt::NOW	489	=item $time = urxvt::NOW
790		490
791	Returns the "current time" (as per the event loop).	491	Returns the "current time" (as per the event loop).
792		492
…		…
835		535
836	=item $rend = urxvt::OVERLAY_RSTYLE	536	=item $rend = urxvt::OVERLAY_RSTYLE
837		537
838	Return the rendition mask used for overlays by default.	538	Return the rendition mask used for overlays by default.
839		539
840	=item $rendbit = urxvt::RS_Bold, RS_Italic, RS_Blink, RS_RVid, RS_Uline	540	=item $rendbit = urxvt::RS_Bold, urxvt::RS_Italic, urxvt::RS_Blink,
		541	urxvt::RS_RVid, urxvt::RS_Uline
841		542
842	Return the bit that enabled bold, italic, blink, reverse-video and	543	Return the bit that enabled bold, italic, blink, reverse-video and
843	underline, respectively. To enable such a style, just logically OR it into	544	underline, respectively. To enable such a style, just logically OR it into
844	the bitset.	545	the bitset.
845		546
…		…
882	};	583	};
883	}	584	}
884		585
885	no warnings 'utf8';	586	no warnings 'utf8';
886		587
		588	sub parse_resource {
		589	my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
		590
		591	$term->scan_extensions;
		592
		593	my $r = $term->{meta}{resource};
		594	keys %$r; # reset iterator
		595	while (my ($k, $v) = each %$r) {
		596	my $pattern = $k;
		597	$pattern =~ y/./-/ if $isarg;
		598	my $prefix = $name;
		599	my $suffix;
		600	if ($pattern =~ /\-$/) {
		601	$prefix = substr $name, 0, length $pattern;
		602	$suffix = substr $name, length $pattern;
		603	}
		604	if ($pattern eq $prefix) {
		605	$name = "$urxvt::RESCLASS.$k$suffix";
		606
		607	push @{ $term->{perl_ext_3} }, $v->[0];
		608
		609	if ($v->[1] eq "boolean") {
		610	$term->put_option_db ($name, $flag ? "true" : "false");
		611	return 1;
		612	} else {
		613	$term->put_option_db ($name, $value);
		614	return 1 + 2;
		615	}
		616	}
		617	}
		618
		619	0
		620	}
		621
		622	sub usage {
		623	my ($term, $usage_type) = @_;
		624
		625	$term->scan_extensions;
		626
		627	my $r = $term->{meta}{resource};
		628
		629	for my $pattern (sort keys %$r) {
		630	my ($ext, $type, $desc) = @{ $r->{$pattern} };
		631
		632	$desc .= " (-pe $ext)";
		633
		634	if ($usage_type == 1) {
		635	$pattern =~ y/./-/;
		636	$pattern =~ s/-$/-.../g;
		637
		638	if ($type eq "boolean") {
		639	urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
		640	} else {
		641	urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
		642	}
		643	} else {
		644	$pattern =~ s/\.$/.*/g;
		645	urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
		646	}
		647	}
		648	}
		649
887	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};	650	my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
888		651
889	sub verbose {	652	sub verbose {
890	my ($level, $msg) = @_;	653	my ($level, $msg) = @_;
891	warn "$msg\n" if $level <= $verbosity;	654	warn "$msg\n" if $level <= $verbosity;
…		…
903	$pkg =~ s/[^[:word:]]/_/g;	666	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "urxvt::ext::$pkg";	667	$pkg = "urxvt::ext::$pkg";
905		668
906	verbose 3, "loading extension '$path' into package '$pkg'";	669	verbose 3, "loading extension '$path' into package '$pkg'";
907		670
		671	(${"$pkg\::_NAME"} = $path) =~ s/^.*[\\\/]//; # hackish
		672
908	open my $fh, "<:raw", $path	673	open my $fh, "<:raw", $path
909	or die "$path: $!";	674	or die "$path: $!";
910		675
911	my $source =	676	my $source =
912	"package $pkg; use strict; use utf8; no warnings 'utf8';\n"	677	"package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
913	. "#line 1 \"$path\"\n{\n"	678	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })	679	. (do { local $/; <$fh> })
915	. "\n};\n1";	680	. "\n};\n1";
916		681
917	eval $source	682	eval $source
…		…
926	# called by the rxvt core	691	# called by the rxvt core
927	sub invoke {	692	sub invoke {
928	local $TERM = shift;	693	local $TERM = shift;
929	my $htype = shift;	694	my $htype = shift;
930		695
931	if ($htype == 0) { # INIT	696	if ($htype == HOOK_INIT) {
932	my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");	697	my @dirs = $TERM->perl_libdirs;
		698
		699	$TERM->scan_extensions;
933		700
934	my %ext_arg;	701	my %ext_arg;
935		702
936	{	703	{
937	my @init = @TERM_INIT;	704	my @init = @TERM_INIT;
…		…
940	my @pkg = @TERM_EXT;	707	my @pkg = @TERM_EXT;
941	@TERM_EXT = ();	708	@TERM_EXT = ();
942	$TERM->register_package ($_) for @pkg;	709	$TERM->register_package ($_) for @pkg;
943	}	710	}
944		711
		712	for (
945	for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {	713	(grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2),
		714	@{ delete $TERM->{perl_ext_3} }
		715	) {
946	if ($_ eq "default") {	716	if ($_ eq "default") {
		717
		718	$ext_arg{$_} = []
947	$ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);	719	for qw(selection option-popup selection-popup readline searchable-scrollback);
		720
		721	for ($TERM->_keysym_resources) {
		722	next if /^(?:string|command|builtin|builtin-string|perl)/;
		723	next unless /^([A-Za-z0-9_\-]+):/;
		724
		725	my $ext = $1;
		726
		727	$ext_arg{$ext} = [];
		728	}
		729
948	} elsif (/^-(.*)$/) {	730	} elsif (/^-(.*)$/) {
949	delete $ext_arg{$1};	731	delete $ext_arg{$1};
		732
950	} elsif (/^([^<]+)<(.*)>$/) {	733	} elsif (/^([^<]+)<(.*)>$/) {
951	push @{ $ext_arg{$1} }, $2;	734	push @{ $ext_arg{$1} }, $2;
		735
952	} else {	736	} else {
953	$ext_arg{$_} ||= [];	737	$ext_arg{$_} ||= [];
954	}	738	}
955	}	739	}
956		740
…		…
972		756
973	if (my $cb = $TERM->{_hook}[$htype]) {	757	if (my $cb = $TERM->{_hook}[$htype]) {
974	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"	758	verbose 10, "$HOOKNAME[$htype] (" . (join ", ", $TERM, @_) . ")"
975	if $verbosity >= 10;	759	if $verbosity >= 10;
976		760
		761	if ($htype == HOOK_ACTION) {
		762	# this hook is only sent to the extension with the name
		763	# matching the first arg
		764	my $pkg = shift;
		765	$pkg =~ y/-/_/;
		766	$pkg = "urxvt::ext::$pkg";
		767
		768	$cb = $cb->{$pkg}
		769	or return undef; #TODO: maybe warn user?
		770
		771	$cb = { $pkg => $cb };
		772	}
		773
977	for my $pkg (keys %$cb) {	774	for my $pkg (keys %$cb) {
978	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg}, @_) };	775	my $retval_ = eval { $cb->{$pkg}->($TERM->{_pkg}{$pkg} || $TERM, @_) };
979	$retval ||= $retval_;	776	$retval ||= $retval_;
980		777
981	if ($@) {	778	if ($@) {
982	$TERM->ungrab; # better to lose the grab than the session	779	$TERM->ungrab; # better to lose the grab than the session
983	warn $@;	780	warn $@;
…		…
986		783
987	verbose 11, "$HOOKNAME[$htype] returning <$retval>"	784	verbose 11, "$HOOKNAME[$htype] returning <$retval>"
988	if $verbosity >= 11;	785	if $verbosity >= 11;
989	}	786	}
990		787
991	if ($htype == 1) { # DESTROY	788	if ($htype == HOOK_DESTROY) {
992	# clear package objects	789	# clear package objects
993	%$_ = () for values %{ $TERM->{_pkg} };	790	%$_ = () for values %{ $TERM->{_pkg} };
994		791
995	# clear package	792	# clear package
996	%$TERM = ();	793	%$TERM = ();
…		…
1026	}	823	}
1027	}	824	}
1028	($mask, @color{qw(fg bg)}, \@failed)	825	($mask, @color{qw(fg bg)}, \@failed)
1029	}	826	}
1030		827
1031	# urxvt::term::extension
1032
1033	package urxvt::term::extension;	828	package urxvt::term::extension;
1034		829
1035	sub enable {	830	=head2 The C<urxvt::term::extension> class
1036	my ($self, %hook) = @_;
1037	my $pkg = $self->{_pkg};
1038		831
1039	while (my ($name, $cb) = each %hook) {	832	Each extension attached to a terminal object is represented by
1040	my $htype = $HOOKTYPE{uc $name};	833	a C<urxvt::term::extension> object.
1041	defined $htype
1042	or Carp::croak "unsupported hook type '$name'";
1043		834
1044	$self->set_should_invoke ($htype, +1)	835	You can use these objects, which are passed to all callbacks to store any
1045	unless exists $self->{term}{_hook}[$htype]{$pkg};	836	state related to the terminal and extension instance.
1046		837
1047	$self->{term}{_hook}[$htype]{$pkg} = $cb;	838	The methods (And data members) documented below can be called on extension
1048	}	839	objects, in addition to call methods documented for the <urxvt::term>
1049	}	840	class.
1050		841
1051	sub disable {	842	=over 4
1052	my ($self, @hook) = @_;
1053	my $pkg = $self->{_pkg};
1054		843
1055	for my $name (@hook) {	844	=item $urxvt_term = $self->{term}
1056	my $htype = $HOOKTYPE{uc $name};
1057	defined $htype
1058	or Carp::croak "unsupported hook type '$name'";
1059		845
1060	$self->set_should_invoke ($htype, -1)	846	Returns the C<urxvt::term> object associated with this instance of the
1061	if delete $self->{term}{_hook}[$htype]{$pkg};	847	extension. This member I<must not> be changed in any way.
1062	}	848
1063	}	849	=cut
1064		850
1065	our $AUTOLOAD;	851	our $AUTOLOAD;
1066		852
1067	sub AUTOLOAD {	853	sub AUTOLOAD {
1068	$AUTOLOAD =~ /:([^:]+)$/	854	$AUTOLOAD =~ /:([^:]+)$/
…		…
1081		867
1082	sub DESTROY {	868	sub DESTROY {
1083	# nop	869	# nop
1084	}	870	}
1085		871
1086	# urxvt::destroy_hook	872	# urxvt::destroy_hook (basically a cheap Guard:: implementation)
1087		873
1088	sub urxvt::destroy_hook::DESTROY {	874	sub urxvt::destroy_hook::DESTROY {
1089	${$_[0]}->();	875	${$_[0]}->();
1090	}	876	}
1091		877
1092	sub urxvt::destroy_hook(&) {	878	sub urxvt::destroy_hook(&) {
1093	bless \shift, urxvt::destroy_hook::	879	bless \shift, urxvt::destroy_hook::
1094	}	880	}
		881
		882	=item $self->enable ($hook_name => $cb[, $hook_name => $cb..])
		883
		884	Dynamically enable the given hooks (named without the C<on_> prefix) for
		885	this extension, replacing any hook previously installed via C<enable> in
		886	this extension.
		887
		888	This is useful when you want to overwrite time-critical hooks only
		889	temporarily.
		890
		891	To install additional callbacks for the same hook, you can use the C<on>
		892	method of the C<urxvt::term> class.
		893
		894	=item $self->disable ($hook_name[, $hook_name..])
		895
		896	Dynamically disable the given hooks.
		897
		898	=cut
		899
		900	sub enable {
		901	my ($self, %hook) = @_;
		902	my $pkg = $self->{_pkg};
		903
		904	while (my ($name, $cb) = each %hook) {
		905	my $htype = $HOOKTYPE{uc $name};
		906	defined $htype
		907	or Carp::croak "unsupported hook type '$name'";
		908
		909	$self->set_should_invoke ($htype, +1)
		910	unless exists $self->{term}{_hook}[$htype]{$pkg};
		911
		912	$self->{term}{_hook}[$htype]{$pkg} = $cb;
		913	}
		914	}
		915
		916	sub disable {
		917	my ($self, @hook) = @_;
		918	my $pkg = $self->{_pkg};
		919
		920	for my $name (@hook) {
		921	my $htype = $HOOKTYPE{uc $name};
		922	defined $htype
		923	or Carp::croak "unsupported hook type '$name'";
		924
		925	$self->set_should_invoke ($htype, -1)
		926	if delete $self->{term}{_hook}[$htype]{$pkg};
		927	}
		928	}
		929
		930	=item $guard = $self->on ($hook_name => $cb[, $hook_name => $cb..])
		931
		932	Similar to the C<enable> enable, but installs additional callbacks for
		933	the given hook(s) (that is, it doesn't replace existing callbacks), and
		934	returns a guard object. When the guard object is destroyed the callbacks
		935	are disabled again.
		936
		937	=cut
		938
		939	sub urxvt::extension::on_disable::DESTROY {
		940	my $disable = shift;
		941
		942	my $term = delete $disable->{""};
		943
		944	while (my ($htype, $id) = each %$disable) {
		945	delete $term->{_hook}[$htype]{$id};
		946	$term->set_should_invoke ($htype, -1);
		947	}
		948	}
		949
		950	sub on {
		951	my ($self, %hook) = @_;
		952
		953	my $term = $self->{term};
		954
		955	my %disable = ( "" => $term );
		956
		957	while (my ($name, $cb) = each %hook) {
		958	my $htype = $HOOKTYPE{uc $name};
		959	defined $htype
		960	or Carp::croak "unsupported hook type '$name'";
		961
		962	$term->set_should_invoke ($htype, +1);
		963	$term->{_hook}[$htype]{ $disable{$htype} = $cb+0 }
		964	= sub { shift; $cb->($self, @_) }; # very ugly indeed
		965	}
		966
		967	bless \%disable, "urxvt::extension::on_disable"
		968	}
		969
		970	=item $self->bind_action ($hotkey, $action)
		971
		972	=item $self->x_resource ($pattern)
		973
		974	=item $self->x_resource_boolean ($pattern)
		975
		976	These methods support an additional C<%> prefix for C<$action> or
		977	C<$pattern> when called on an extension object, compared to the
		978	C<urxvt::term> methods of the same name - see the description of these
		979	methods in the C<urxvt::term> class for details.
		980
		981	=cut
		982
		983	sub bind_action {
		984	my ($self, $hotkey, $action) = @_;
		985	$action =~ s/^%:/$_[0]{_name}:/;
		986	$self->{term}->bind_action ($hotkey, $action)
		987	}
		988
		989	sub x_resource {
		990	my ($self, $name) = @_;
		991	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		992	$self->{term}->x_resource ($name)
		993	}
		994
		995	sub x_resource_boolean {
		996	my ($self, $name) = @_;
		997	$name =~ s/^%(\.|$)/$_[0]{_name}$1/;
		998	$self->{term}->x_resource_boolean ($name)
		999	}
		1000
		1001	=back
		1002
		1003	=cut
1095		1004
1096	package urxvt::anyevent;	1005	package urxvt::anyevent;
1097		1006
1098	=head2 The C<urxvt::anyevent> Class	1007	=head2 The C<urxvt::anyevent> Class
1099		1008
1100	The sole purpose of this class is to deliver an interface to the	1009	The sole purpose of this class is to deliver an interface to the
1101	C<AnyEvent> module - any module using it will work inside urxvt without	1010	C<AnyEvent> module - any module using it will work inside urxvt without
1102	further programming. The only exception is that you cannot wait on	1011	further programming. The only exception is that you cannot wait on
1103	condition variables, but non-blocking condvar use is ok. What this means	1012	condition variables, but non-blocking condvar use is ok.
1104	is that you cannot use blocking APIs, but the non-blocking variant should
1105	work.
1106		1013
1107	=cut	1014	In practical terms this means is that you cannot use blocking APIs, but
		1015	the non-blocking variant should work.
1108		1016
		1017	=cut
		1018
1109	our $VERSION = '3.4';	1019	our $VERSION = '5.23';
1110		1020
1111	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there	1021	$INC{"urxvt/anyevent.pm"} = 1; # mark us as there
1112	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];	1022	push @AnyEvent::REGISTRY, [urxvt => urxvt::anyevent::];
1113		1023
1114	sub timer {	1024	sub timer {
…		…
1116		1026
1117	my $cb = $arg{cb};	1027	my $cb = $arg{cb};
1118		1028
1119	urxvt::timer	1029	urxvt::timer
1120	->new	1030	->new
1121	->start (urxvt::NOW + $arg{after})	1031	->after ($arg{after}, $arg{interval})
1122	->cb (sub {	1032	->cb ($arg{interval} ? $cb : sub {
1123	$_[0]->stop; # need to cancel manually	1033	$_[0]->stop; # need to cancel manually
1124	$cb->();	1034	$cb->();
1125	})	1035	})
1126	}	1036	}
1127		1037
1128	sub io {	1038	sub io {
1129	my ($class, %arg) = @_;	1039	my ($class, %arg) = @_;
1130		1040
1131	my $cb = $arg{cb};	1041	my $cb = $arg{cb};
		1042	my $fd = fileno $arg{fh};
		1043	defined $fd or $fd = $arg{fh};
1132		1044
1133	bless [$arg{fh}, urxvt::iow	1045	bless [$arg{fh}, urxvt::iow
1134	->new	1046	->new
1135	->fd (fileno $arg{fh})	1047	->fd ($fd)
1136	->events (($arg{poll} =~ /r/ ? 1 : 0)	1048	->events (($arg{poll} =~ /r/ ? 1 : 0)
1137	| ($arg{poll} =~ /w/ ? 2 : 0))	1049	| ($arg{poll} =~ /w/ ? 2 : 0))
1138	->start	1050	->start
1139	->cb (sub {	1051	->cb ($cb)
1140	$cb->(($_[1] & 1 ? 'r' : '')
1141	. ($_[1] & 2 ? 'w' : ''));
1142	})],
1143	urxvt::anyevent::	1052	], urxvt::anyevent::
		1053	}
		1054
		1055	sub idle {
		1056	my ($class, %arg) = @_;
		1057
		1058	my $cb = $arg{cb};
		1059
		1060	urxvt::iw
		1061	->new
		1062	->start
		1063	->cb ($cb)
		1064	}
		1065
		1066	sub child {
		1067	my ($class, %arg) = @_;
		1068
		1069	my $cb = $arg{cb};
		1070
		1071	urxvt::pw
		1072	->new
		1073	->start ($arg{pid})
		1074	->cb (sub {
		1075	$_[0]->stop; # need to cancel manually
		1076	$cb->($_[0]->rpid, $_[0]->rstatus);
		1077	})
1144	}	1078	}
1145		1079
1146	sub DESTROY {	1080	sub DESTROY {
1147	$_[0][1]->stop;	1081	$_[0][1]->stop;
1148	}	1082	}
1149		1083
		1084	# only needed for AnyEvent < 6 compatibility
1150	sub one_event {	1085	sub one_event {
1151	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";	1086	Carp::croak "AnyEvent->one_event blocking wait unsupported in urxvt, use a non-blocking API";
1152	}	1087	}
1153		1088
1154	package urxvt::term;	1089	package urxvt::term;
…		…
1169	urxvt::verbose 6, "register package $pkg to $self";	1104	urxvt::verbose 6, "register package $pkg to $self";
1170		1105
1171	@{"$pkg\::ISA"} = urxvt::term::extension::;	1106	@{"$pkg\::ISA"} = urxvt::term::extension::;
1172		1107
1173	my $proxy = bless {	1108	my $proxy = bless {
1174	_pkg => $pkg,	1109	_pkg => $pkg,
		1110	_name => ${"$pkg\::_NAME"}, # hackish
1175	argv => $argv,	1111	argv => $argv,
1176	}, $pkg;	1112	}, $pkg;
1177	Scalar::Util::weaken ($proxy->{term} = $self);	1113	Scalar::Util::weaken ($proxy->{term} = $self);
1178		1114
1179	$self->{_pkg}{$pkg} = $proxy;	1115	$self->{_pkg}{$pkg} = $proxy;
1180		1116
…		…
1183	$proxy->enable ($name => $ref);	1119	$proxy->enable ($name => $ref);
1184	}	1120	}
1185	}	1121	}
1186	}	1122	}
1187		1123
		1124	sub perl_libdirs {
		1125	map { split /:/ }
		1126	$_[0]->resource ("perl_lib"),
		1127	$ENV{URXVT_PERL_LIB},
		1128	"$ENV{HOME}/.urxvt/ext",
		1129	"$LIBDIR/perl"
		1130	}
		1131
		1132	# scan for available extensions and collect their metadata
		1133	sub scan_extensions {
		1134	my ($self) = @_;
		1135
		1136	return if exists $self->{meta};
		1137
		1138	my @urxvtdirs = perl_libdirs $self;
		1139	my @cpandirs = grep -d, map "$_/URxvt/Ext", @INC;
		1140
		1141	$self->{meta} = \my %meta;
		1142
		1143	# first gather extensions
		1144
		1145	my $gather = sub {
		1146	my ($dir, $core) = @_;
		1147
		1148	opendir my $fh, $dir
		1149	or return;
		1150
		1151	for my $ext (readdir $fh) {
		1152	$ext !~ /^\./
		1153	or next;
		1154
		1155	open my $fh, "<", "$dir/$ext"
		1156	or next;
		1157
		1158	-f $fh
		1159	or next;
		1160
		1161	$ext =~ s/\.uext$// or $core
		1162	or next;
		1163
		1164	my %ext = (dir => $dir);
		1165
		1166	while (<$fh>) {
		1167	if (/^#:META:(?:X_)?RESOURCE:(.*)/) {
		1168	my ($pattern, $type, $desc) = split /:/, $1;
		1169	$pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
		1170	if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
		1171	warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
		1172	} else {
		1173	$ext{resource}{$pattern} = [$ext, $type, $desc];
		1174	}
		1175	} elsif (/^\s*(?:#|$)/) {
		1176	# skip other comments and empty lines
		1177	} else {
		1178	last; # stop parsing on first non-empty non-comment line
		1179	}
		1180	}
		1181
		1182	$meta{ext}{$ext} = \%ext;
		1183	}
		1184	};
		1185
		1186	$gather->($_, 0) for @cpandirs;
		1187	$gather->($_, 1) for @urxvtdirs;
		1188
		1189	# and now merge resources
		1190
		1191	$meta{resource} = \my %resource;
		1192
		1193	while (my ($k, $v) = each %{ $meta{ext} }) {
		1194	#TODO: should check for extensions overriding each other
		1195	%resource = (%resource, %{ $v->{resource} });
		1196	}
		1197	}
		1198
1188	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]	1199	=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1189		1200
1190	Creates a new terminal, very similar as if you had started it with system	1201	Creates a new terminal, very similar as if you had started it with system
1191	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like	1202	C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like
1192	hash which defines the environment of the new terminal.	1203	hash which defines the environment of the new terminal.
…		…
1209	}	1220	}
1210		1221
1211	=item $term->destroy	1222	=item $term->destroy
1212		1223
1213	Destroy the terminal object (close the window, free resources	1224	Destroy the terminal object (close the window, free resources
1214	etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event	1225	etc.). Please note that urxvt will not exit as long as any event
1215	watchers (timers, io watchers) are still active.	1226	watchers (timers, io watchers) are still active.
1216		1227
1217	=item $term->exec_async ($cmd[, @args])	1228	=item $term->exec_async ($cmd[, @args])
1218		1229
1219	Works like the combination of the C<fork>/C<exec> builtins, which executes	1230	Works like the combination of the C<fork>/C<exec> builtins, which executes
…		…
1246	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.	1257	C<%urxvt::OPTION>. Options not enabled in this binary are not in the hash.
1247		1258
1248	Here is a likely non-exhaustive list of option names, please see the	1259	Here is a likely non-exhaustive list of option names, please see the
1249	source file F</src/optinc.h> to see the actual list:	1260	source file F</src/optinc.h> to see the actual list:
1250		1261
1251	borderLess console cursorBlink cursorUnderline hold iconic insecure	1262	borderLess buffered console cursorBlink cursorUnderline hold iconic
1252	intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage	1263	insecure intensityStyles iso14755 iso14755_52 jumpScroll loginShell
1253	override-redirect pastableTabs pointerBlank reverseVideo scrollBar	1264	mapAlert meta8 mouseWheelScrollPage override_redirect pastableTabs
1254	scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput	1265	pointerBlank reverseVideo scrollBar scrollBar_floating scrollBar_right
1255	scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs	1266	scrollTtyKeypress scrollTtyOutput scrollWithBuffer secondaryScreen
1256	transparent tripleclickwords utmpInhibit visualBell	1267	secondaryScroll skipBuiltinGlyphs skipScroll transparent tripleclickwords
		1268	urgentOnBell utmpInhibit visualBell
1257		1269
1258	=item $value = $term->resource ($name[, $newval])	1270	=item $value = $term->resource ($name[, $newval])
1259		1271
1260	Returns the current resource value associated with a given name and	1272	Returns the current resource value associated with a given name and
1261	optionally sets a new value. Setting values is most useful in the C<init>	1273	optionally sets a new value. Setting values is most useful in the C<init>
…		…
1274		1286
1275	Here is a likely non-exhaustive list of resource names, not all of which	1287	Here is a likely non-exhaustive list of resource names, not all of which
1276	are supported in every build, please see the source file F</src/rsinc.h>	1288	are supported in every build, please see the source file F</src/rsinc.h>
1277	to see the actual list:	1289	to see the actual list:
1278		1290
1279	answerbackstring backgroundPixmap backspace_key boldFont boldItalicFont	1291	answerbackstring backgroundPixmap backspace_key blurradius
1280	borderLess chdir color cursorBlink cursorUnderline cutchars delete_key	1292	boldFont boldItalicFont borderLess buffered chdir color cursorBlink
1281	display_name embed ext_bwidth fade font geometry hold iconName	1293	cursorUnderline cutchars delete_key depth display_name embed ext_bwidth
1282	imFont imLocale inputMethod insecure int_bwidth intensityStyles	1294	fade font geometry hold iconName iconfile imFont imLocale inputMethod
		1295	insecure int_bwidth intensityStyles iso14755 iso14755_52 italicFont
1283	italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier	1296	jumpScroll letterSpace lineSpace loginShell mapAlert meta8 modifier
1284	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval	1297	mouseWheelScrollPage name override_redirect pastableTabs path perl_eval
1285	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay	1298	perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay
1286	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar	1299	preeditType print_pipe pty_fd reverseVideo saveLines scrollBar
1287	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness	1300	scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness
1288	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle	1301	scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle
1289	secondaryScreen secondaryScroll shade term_name title	1302	secondaryScreen secondaryScroll shade skipBuiltinGlyphs skipScroll
1290	transient_for transparent transparent_all tripleclickwords utmpInhibit	1303	term_name title transient_for transparent tripleclickwords urgentOnBell
1291	visualBell	1304	utmpInhibit visualBell
1292		1305
1293	=cut	1306	=cut
1294		1307
1295	sub resource($$;$) {	1308	sub resource($$;$) {
1296	my ($self, $name) = (shift, shift);	1309	my ($self, $name) = (shift, shift);
…		…
1303	Returns the X-Resource for the given pattern, excluding the program or	1316	Returns the X-Resource for the given pattern, excluding the program or
1304	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the	1317	class name, i.e. C<< $term->x_resource ("boldFont") >> should return the
1305	same value as used by this instance of rxvt-unicode. Returns C<undef> if no	1318	same value as used by this instance of rxvt-unicode. Returns C<undef> if no
1306	resource with that pattern exists.	1319	resource with that pattern exists.
1307		1320
		1321	Extensions that define extra resources also need to call this method
		1322	to access their values.
		1323
		1324	If the method is called on an extension object (basically, from an
		1325	extension), then the special prefix C<%.> will be replaced by the name of
		1326	the extension and a dot, and the lone string C<%> will be replaced by the
		1327	extension name itself. This makes it possible to code extensions so you
		1328	can rename them and get a new set of resources without having to change
		1329	the actual code.
		1330
1308	This method should only be called during the C<on_start> hook, as there is	1331	This method should only be called during the C<on_start> hook, as there is
1309	only one resource database per display, and later invocations might return	1332	only one resource database per display, and later invocations might return
1310	the wrong resources.	1333	the wrong resources.
1311		1334
1312	=item $success = $term->parse_keysym ($keysym_spec, $command_string)	1335	=item $value = $term->x_resource_boolean ($pattern)
1313		1336
		1337	Like C<x_resource>, above, but interprets the string value as a boolean
		1338	and returns C<1> for true values, C<0> for false values and C<undef> if
		1339	the resource or option isn't specified.
		1340
		1341	You should always use this method to parse boolean resources.
		1342
		1343	=cut
		1344
		1345	sub x_resource_boolean {
		1346	my $res = &x_resource;
		1347
		1348	$res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
		1349	}
		1350
		1351	=item $success = $term->bind_action ($key, $action)
		1352
1314	Adds a keymap translation exactly as specified via a resource. See the	1353	Adds a key binding exactly as specified via a C<keysym> resource. See the
1315	C<keysym> resource in the @@RXVT_NAME@@(1) manpage.	1354	C<keysym> resource in the urxvt(1) manpage.
		1355
		1356	To add default bindings for actions, an extension should call C<<
		1357	->bind_action >> in its C<init> hook for every such binding. Doing it
		1358	in the C<init> hook allows users to override or remove the binding
		1359	again.
		1360
		1361	Example: the C<searchable-scrollback> by default binds itself
		1362	on C<Meta-s>, using C<< $self->bind_action >>, which calls C<<
		1363	$term->bind_action >>.
		1364
		1365	sub init {
		1366	my ($self) = @_;
		1367
		1368	$self->bind_action ("M-s" => "%:start");
		1369	}
1316		1370
1317	=item $rend = $term->rstyle ([$new_rstyle])	1371	=item $rend = $term->rstyle ([$new_rstyle])
1318		1372
1319	Return and optionally change the current rendition. Text that is output by	1373	Return and optionally change the current rendition. Text that is output by
1320	the terminal application will use this style.	1374	the terminal application will use this style.
…		…
1328		1382
1329	=item ($row, $col) = $term->selection_beg ([$row, $col])	1383	=item ($row, $col) = $term->selection_beg ([$row, $col])
1330		1384
1331	=item ($row, $col) = $term->selection_end ([$row, $col])	1385	=item ($row, $col) = $term->selection_end ([$row, $col])
1332		1386
1333	Return the current values of the selection mark, begin or end positions,	1387	Return the current values of the selection mark, begin or end positions.
1334	and optionally set them to new values.	1388
		1389	When arguments are given, then the selection coordinates are set to
		1390	C<$row> and C<$col>, and the selection screen is set to the current
		1391	screen.
		1392
		1393	=item $screen = $term->selection_screen ([$screen])
		1394
		1395	Returns the current selection screen, and then optionally sets it.
1335		1396
1336	=item $term->selection_make ($eventtime[, $rectangular])	1397	=item $term->selection_make ($eventtime[, $rectangular])
1337		1398
1338	Tries to make a selection as set by C<selection_beg> and	1399	Tries to make a selection as set by C<selection_beg> and
1339	C<selection_end>. If C<$rectangular> is true (default: false), a	1400	C<selection_end>. If C<$rectangular> is true (default: false), a
1340	rectangular selection will be made. This is the prefered function to make	1401	rectangular selection will be made. This is the preferred function to make
1341	a selection.	1402	a selection.
1342		1403
1343	=item $success = $term->selection_grab ($eventtime)	1404	=item $success = $term->selection_grab ($eventtime[, $clipboard])
1344		1405
1345	Try to request the primary selection text from the server (for example, as	1406	Try to acquire ownership of the primary (clipboard if C<$clipboard> is
		1407	true) selection from the server. The corresponding text can be set
1346	set by the next method). No visual feedback will be given. This function	1408	with the next method. No visual feedback will be given. This function
1347	is mostly useful from within C<on_sel_grab> hooks.	1409	is mostly useful from within C<on_sel_grab> hooks.
1348		1410
1349	=item $oldtext = $term->selection ([$newtext])	1411	=item $oldtext = $term->selection ([$newtext, $clipboard])
1350		1412
1351	Return the current selection text and optionally replace it by C<$newtext>.	1413	Return the current selection (clipboard if C<$clipboard> is true) text
		1414	and optionally replace it by C<$newtext>.
		1415
		1416	=item $term->selection_clear ([$clipboard])
		1417
		1418	Revoke ownership of the primary (clipboard if C<$clipboard> is true) selection.
1352		1419
1353	=item $term->overlay_simple ($x, $y, $text)	1420	=item $term->overlay_simple ($x, $y, $text)
1354		1421
1355	Create a simple multi-line overlay box. See the next method for details.	1422	Create a simple multi-line overlay box. See the next method for details.
1356		1423
…		…
1386		1453
1387	The methods currently supported on C<urxvt::overlay> objects are:	1454	The methods currently supported on C<urxvt::overlay> objects are:
1388		1455
1389	=over 4	1456	=over 4
1390		1457
1391	=item $overlay->set ($x, $y, $text, $rend)	1458	=item $overlay->set ($x, $y, $text[, $rend])
1392		1459
1393	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts	1460	Similar to C<< $term->ROW_t >> and C<< $term->ROW_r >> in that it puts
1394	text in rxvt-unicode's special encoding and an array of rendition values	1461	text in rxvt-unicode's special encoding and an array of rendition values
1395	at a specific position inside the overlay.	1462	at a specific position inside the overlay.
		1463
		1464	If C<$rend> is missing, then the rendition will not be changed.
1396		1465
1397	=item $overlay->hide	1466	=item $overlay->hide
1398		1467
1399	If visible, hide the overlay, but do not destroy it.	1468	If visible, hide the overlay, but do not destroy it.
1400		1469
…		…
1463		1532
1464	=item $term->scr_add_lines ($string)	1533	=item $term->scr_add_lines ($string)
1465		1534
1466	Write the given text string to the screen, as if output by the application	1535	Write the given text string to the screen, as if output by the application
1467	running inside the terminal. It may not contain command sequences (escape	1536	running inside the terminal. It may not contain command sequences (escape
1468	codes), but is free to use line feeds, carriage returns and tabs. The	1537	codes - see C<cmd_parse> for that), but is free to use line feeds,
1469	string is a normal text string, not in locale-dependent encoding.	1538	carriage returns and tabs. The string is a normal text string, not in
		1539	locale-dependent encoding.
1470		1540
1471	Normally its not a good idea to use this function, as programs might be	1541	Normally its not a good idea to use this function, as programs might be
1472	confused by changes in cursor position or scrolling. Its useful inside a	1542	confused by changes in cursor position or scrolling. Its useful inside a
1473	C<on_add_lines> hook, though.	1543	C<on_add_lines> hook, though.
1474		1544
…		…
1482	locale-specific encoding of the terminal and can contain command sequences	1552	locale-specific encoding of the terminal and can contain command sequences
1483	(escape codes) that will be interpreted.	1553	(escape codes) that will be interpreted.
1484		1554
1485	=item $term->tt_write ($octets)	1555	=item $term->tt_write ($octets)
1486		1556
1487	Write the octets given in C<$data> to the tty (i.e. as program input). To	1557	Write the octets given in C<$octets> to the tty (i.e. as user input
		1558	to the program, see C<cmd_parse> for the opposite direction). To pass
1488	pass characters instead of octets, you should convert your strings first	1559	characters instead of octets, you should convert your strings first to the
1489	to the locale-specific encoding using C<< $term->locale_encode >>.	1560	locale-specific encoding using C<< $term->locale_encode >>.
		1561
		1562	=item $term->tt_write_user_input ($octets)
		1563
		1564	Like C<tt_write>, but should be used when writing strings in response to
		1565	the user pressing a key, to invoke the additional actions requested by
		1566	the user for that case (C<tt_write> doesn't do that).
		1567
		1568	The typical use case would be inside C<on_action> hooks.
		1569
		1570	=item $term->tt_paste ($octets)
		1571
		1572	Write the octets given in C<$octets> to the tty as a paste, converting NL to
		1573	CR and bracketing the data with control sequences if bracketed paste mode
		1574	is set.
1490		1575
1491	=item $old_events = $term->pty_ev_events ([$new_events])	1576	=item $old_events = $term->pty_ev_events ([$new_events])
1492		1577
1493	Replaces the event mask of the pty watcher by the given event mask. Can	1578	Replaces the event mask of the pty watcher by the given event mask. Can
1494	be used to suppress input and output handling to the pty/tty. See the	1579	be used to suppress input and output handling to the pty/tty. See the
…		…
1512		1597
1513	Adds the specified events to the vt event mask. Useful e.g. when you want	1598	Adds the specified events to the vt event mask. Useful e.g. when you want
1514	to receive pointer events all the times:	1599	to receive pointer events all the times:
1515		1600
1516	$term->vt_emask_add (urxvt::PointerMotionMask);	1601	$term->vt_emask_add (urxvt::PointerMotionMask);
		1602
		1603	=item $term->set_urgency ($set)
		1604
		1605	Enable/disable the urgency hint on the toplevel window.
1517		1606
1518	=item $term->focus_in	1607	=item $term->focus_in
1519		1608
1520	=item $term->focus_out	1609	=item $term->focus_out
1521		1610
…		…
1718	}	1807	}
1719		1808
1720	sub urxvt::line::t {	1809	sub urxvt::line::t {
1721	my ($self) = @_;	1810	my ($self) = @_;
1722		1811
1723	if (@_ > 1)	1812	if (@_ > 1) {
1724	{
1725	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1813	$self->{term}->ROW_t ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1726	for $self->{beg} .. $self->{end};	1814	for $self->{beg} .. $self->{end};
1727	}	1815	}
1728		1816
1729	defined wantarray &&	1817	defined wantarray &&
1730	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),	1818	substr +(join "", map $self->{term}->ROW_t ($_), $self->{beg} .. $self->{end}),
1731	0, $self->{len}	1819	0, $self->{len}
1732	}	1820	}
1733		1821
1734	sub urxvt::line::r {	1822	sub urxvt::line::r {
1735	my ($self) = @_;	1823	my ($self) = @_;
1736		1824
1737	if (@_ > 1)	1825	if (@_ > 1) {
1738	{
1739	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})	1826	$self->{term}->ROW_r ($_, $_[1], 0, ($_ - $self->{beg}) * $self->{ncol}, $self->{ncol})
1740	for $self->{beg} .. $self->{end};	1827	for $self->{beg} .. $self->{end};
1741	}	1828	}
1742		1829
1743	if (defined wantarray) {	1830	if (defined wantarray) {
1744	my $rend = [	1831	my $rend = [
1745	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}	1832	map @{ $self->{term}->ROW_r ($_) }, $self->{beg} .. $self->{end}
1746	];	1833	];
…		…
1808	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most	1895	Calls XAllowEvents with both ReplayPointer and ReplayKeyboard for the most
1809	recent grab.	1896	recent grab.
1810		1897
1811	=item $term->ungrab	1898	=item $term->ungrab
1812		1899
1813	Calls XUngrab for the most recent grab. Is called automatically on	1900	Calls XUngrabPointer and XUngrabKeyboard for the most recent grab. Is called automatically on
1814	evaluation errors, as it is better to lose the grab in the error case as	1901	evaluation errors, as it is better to lose the grab in the error case as
1815	the session.	1902	the session.
1816		1903
1817	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])	1904	=item $atom = $term->XInternAtom ($atom_name[, $only_if_exists])
1818		1905
…		…
1838		1925
1839	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)	1926	=item ($x, $y, $child_window) = $term->XTranslateCoordinates ($src, $dst, $x, $y)
1840		1927
1841	=item $term->XChangeInput ($window, $add_events[, $del_events])	1928	=item $term->XChangeInput ($window, $add_events[, $del_events])
1842		1929
		1930	=item $keysym = $term->XStringToKeysym ($string)
		1931
		1932	=item $string = $term->XKeysymToString ($keysym)
		1933
1843	Various X or X-related functions. The C<$term> object only serves as	1934	Various X or X-related functions. The C<$term> object only serves as
1844	the source of the display, otherwise those functions map more-or-less	1935	the source of the display, otherwise those functions map more-or-less
1845	directory onto the X functions of the same name.	1936	directly onto the X functions of the same name.
1846		1937
1847	=back	1938	=back
1848		1939
1849	=cut	1940	=cut
1850		1941
…		…
2007		2098
2008	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })	2099	=item $timer = $timer->cb (sub { my ($timer) = @_; ... })
2009		2100
2010	Set the callback to be called when the timer triggers.	2101	Set the callback to be called when the timer triggers.
2011		2102
2012	=item $tstamp = $timer->at
2013
2014	Return the time this watcher will fire next.
2015
2016	=item $timer = $timer->set ($tstamp)	2103	=item $timer = $timer->set ($tstamp[, $interval])
2017		2104
2018	Set the time the event is generated to $tstamp.	2105	Set the time the event is generated to $tstamp (and optionally specifies a
		2106	new $interval).
2019		2107
2020	=item $timer = $timer->interval ($interval)	2108	=item $timer = $timer->interval ($interval)
2021		2109
2022	Normally (and when C<$interval> is C<0>), the timer will automatically	2110	By default (and when C<$interval> is C<0>), the timer will automatically
2023	stop after it has fired once. If C<$interval> is non-zero, then the timer	2111	stop after it has fired once. If C<$interval> is non-zero, then the timer
2024	is automatically rescheduled at the given intervals.	2112	is automatically rescheduled at the given intervals.
2025		2113
2026	=item $timer = $timer->start	2114	=item $timer = $timer->start
2027		2115
2028	Start the timer.	2116	Start the timer.
2029		2117
2030	=item $timer = $timer->start ($tstamp)	2118	=item $timer = $timer->start ($tstamp[, $interval])
2031		2119
2032	Set the event trigger time to C<$tstamp> and start the timer.	2120	Set the event trigger time to C<$tstamp> and start the timer. Optionally
		2121	also replaces the interval.
2033		2122
2034	=item $timer = $timer->after ($delay)	2123	=item $timer = $timer->after ($delay[, $interval])
2035		2124
2036	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.	2125	Like C<start>, but sets the expiry timer to c<urxvt::NOW + $delay>.
2037		2126
2038	=item $timer = $timer->stop	2127	=item $timer = $timer->stop
2039		2128
…		…
2170		2259
2171	=back	2260	=back
2172		2261
2173	=head1 AUTHOR	2262	=head1 AUTHOR
2174		2263
2175	Marc Lehmann <pcg@goof.com>	2264	Marc Lehmann <schmorp@schmorp.de>
2176	http://software.schmorp.de/pkg/rxvt-unicode	2265	http://software.schmorp.de/pkg/rxvt-unicode
2177		2266
2178	=cut	2267	=cut
2179		2268
2180	1	2269	1

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