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/cvs/rxvt-unicode/src/rxvtperl.xs
Revision: 1.5
Committed: Mon Jan 2 20:35:39 2006 UTC (18 years, 6 months ago) by root
Branch: MAIN
Changes since 1.4: +2 -4 lines
Log Message:
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File Contents

# Content
1 /*----------------------------------------------------------------------*
2 * File: rxvtperl.xs
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2005-2005 Marc Lehmann <pcg@goof.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *----------------------------------------------------------------------*/
22
23 #define line_t perl_line_t
24 #include <EXTERN.h>
25 #include <perl.h>
26 #include <XSUB.h>
27 #undef line_t
28
29 #include "../config.h"
30
31 #include <cstdarg>
32
33 #include "rxvt.h"
34 #include "iom.h"
35 #include "rxvtutil.h"
36 #include "rxvtperl.h"
37
38 #include "perlxsi.c"
39
40 /////////////////////////////////////////////////////////////////////////////
41
42 static wchar_t *
43 sv2wcs (SV *sv)
44 {
45 STRLEN len;
46 char *str = SvPVutf8 (sv, len);
47 return rxvt_utf8towcs (str, len);
48 }
49
50 static SV *
51 new_ref (HV *hv, const char *klass)
52 {
53 return sv_bless (newRV ((SV *)hv), gv_stashpv (klass, 1));
54 }
55
56 //TODO: use magic
57 static SV *
58 newSVptr (void *ptr, const char *klass)
59 {
60 HV *hv = newHV ();
61 hv_store (hv, "_ptr", 4, newSViv ((long)ptr), 0);
62 return sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
63 }
64
65 static long
66 SvPTR (SV *sv, const char *klass)
67 {
68 if (!sv_derived_from (sv, klass))
69 croak ("object of type %s expected", klass);
70
71 IV iv = SvIV (*hv_fetch ((HV *)SvRV (sv), "_ptr", 4, 1));
72
73 if (!iv)
74 croak ("perl code used %s object, but C++ object is already destroyed, caught", klass);
75
76 return (long)iv;
77 }
78
79 #define newSVterm(term) SvREFCNT_inc ((SV *)term->self)
80 #define SvTERM(sv) (rxvt_term *)SvPTR (sv, "urxvt::term")
81
82 /////////////////////////////////////////////////////////////////////////////
83
84 struct perl_watcher
85 {
86 SV *cbsv;
87 HV *self;
88
89 perl_watcher ()
90 : cbsv (newSV (0))
91 {
92 }
93
94 ~perl_watcher ()
95 {
96 SvREFCNT_dec (cbsv);
97 }
98
99 void cb (SV *cb)
100 {
101 sv_setsv (cbsv, cb);
102 }
103
104 void invoke (const char *type, SV *self, int arg = -1);
105 };
106
107 void
108 perl_watcher::invoke (const char *type, SV *self, int arg)
109 {
110 dSP;
111
112 ENTER;
113 SAVETMPS;
114
115 PUSHMARK (SP);
116
117 XPUSHs (sv_2mortal (self));
118
119 if (arg >= 0)
120 XPUSHs (sv_2mortal (newSViv (arg)));
121
122 PUTBACK;
123 call_sv (cbsv, G_VOID | G_EVAL | G_DISCARD);
124 SPAGAIN;
125
126 PUTBACK;
127 FREETMPS;
128 LEAVE;
129
130 if (SvTRUE (ERRSV))
131 rxvt_warn ("%s callback evaluation error: %s", type, SvPV_nolen (ERRSV));
132 }
133
134 #define newSVtimer(timer) new_ref (timer->self, "urxvt::timer")
135 #define SvTIMER(sv) (timer *)SvPTR (sv, "urxvt::timer")
136
137 struct timer : time_watcher, perl_watcher
138 {
139 timer ()
140 : time_watcher (this, &timer::execute)
141 {
142 }
143
144 void execute (time_watcher &w)
145 {
146 invoke ("urxvt::timer", newSVtimer (this));
147 }
148 };
149
150 #define newSViow(iow) new_ref (iow->self, "urxvt::iow")
151 #define SvIOW(sv) (iow *)SvPTR (sv, "urxvt::iow")
152
153 struct iow : io_watcher, perl_watcher
154 {
155 iow ()
156 : io_watcher (this, &iow::execute)
157 {
158 }
159
160 void execute (io_watcher &w, short revents)
161 {
162 invoke ("urxvt::iow", newSViow (this), revents);
163 }
164 };
165
166 /////////////////////////////////////////////////////////////////////////////
167
168 struct rxvt_perl_interp rxvt_perl;
169
170 static PerlInterpreter *perl;
171
172 rxvt_perl_interp::rxvt_perl_interp ()
173 {
174 }
175
176 rxvt_perl_interp::~rxvt_perl_interp ()
177 {
178 if (perl)
179 {
180 perl_destruct (perl);
181 perl_free (perl);
182 }
183 }
184
185 void
186 rxvt_perl_interp::init ()
187 {
188 if (!perl)
189 {
190 char *argv[] = {
191 "",
192 "-edo '" LIBDIR "/urxvt.pm' or ($@ and die $@) or exit 1",
193 };
194
195 perl = perl_alloc ();
196 perl_construct (perl);
197
198 if (perl_parse (perl, xs_init, 2, argv, (char **)NULL)
199 || perl_run (perl))
200 {
201 rxvt_warn ("unable to initialize perl-interpreter, continuing without.\n");
202
203 perl_destruct (perl);
204 perl_free (perl);
205 perl = 0;
206 }
207 }
208 }
209
210 bool
211 rxvt_perl_interp::invoke (rxvt_term *term, hook_type htype, ...)
212 {
213 if (!perl
214 || (!should_invoke [htype] && htype != HOOK_INIT && htype != HOOK_DESTROY))
215 return false;
216
217 if (htype == HOOK_INIT) // first hook ever called
218 term->self = (void *)newSVptr ((void *)term, "urxvt::term");
219
220 dSP;
221 va_list ap;
222
223 va_start (ap, htype);
224
225 ENTER;
226 SAVETMPS;
227
228 PUSHMARK (SP);
229
230 XPUSHs (sv_2mortal (newSVterm (term)));
231 XPUSHs (sv_2mortal (newSViv (htype)));
232
233 for (;;) {
234 data_type dt = (data_type)va_arg (ap, int);
235
236 switch (dt)
237 {
238 case DT_INT:
239 XPUSHs (sv_2mortal (newSViv (va_arg (ap, int))));
240 break;
241
242 case DT_LONG:
243 XPUSHs (sv_2mortal (newSViv (va_arg (ap, long))));
244 break;
245
246 case DT_END:
247 {
248 va_end (ap);
249
250 PUTBACK;
251 int count = call_pv ("urxvt::invoke", G_ARRAY | G_EVAL);
252 SPAGAIN;
253
254 if (count)
255 {
256 SV *status = POPs;
257 count = SvTRUE (status);
258 }
259
260 PUTBACK;
261 FREETMPS;
262 LEAVE;
263
264 if (SvTRUE (ERRSV))
265 rxvt_warn ("perl hook %d evaluation error: %s", htype, SvPV_nolen (ERRSV));
266
267 if (htype == HOOK_DESTROY)
268 {
269 // TODO: clear magic
270 hv_clear ((HV *)SvRV ((SV *)term->self));
271 SvREFCNT_dec ((SV *)term->self);
272 }
273
274 return count;
275 }
276
277 default:
278 rxvt_fatal ("FATAL: unable to pass data type %d\n", dt);
279 }
280 }
281 }
282
283 /////////////////////////////////////////////////////////////////////////////
284
285 MODULE = urxvt PACKAGE = urxvt
286
287 PROTOTYPES: ENABLE
288
289 BOOT:
290 {
291 # define set_hookname(sym) av_store (hookname, PP_CONCAT(HOOK_, sym), newSVpv (PP_STRINGIFY(sym), 0))
292 AV *hookname = get_av ("urxvt::HOOKNAME", 1);
293 set_hookname (INIT);
294 set_hookname (RESET);
295 set_hookname (START);
296 set_hookname (DESTROY);
297 set_hookname (SEL_BEGIN);
298 set_hookname (SEL_EXTEND);
299 set_hookname (SEL_MAKE);
300 set_hookname (SEL_GRAB);
301 set_hookname (FOCUS_IN);
302 set_hookname (FOCUS_OUT);
303 set_hookname (VIEW_CHANGE);
304 set_hookname (SCROLL_BACK);
305 set_hookname (TTY_ACTIVITY);
306 set_hookname (REFRESH_BEGIN);
307 set_hookname (REFRESH_END);
308
309 sv_setpv (get_sv ("urxvt::LIBDIR", 1), LIBDIR);
310 }
311
312 void
313 set_should_invoke (int htype, int value)
314 CODE:
315 rxvt_perl.should_invoke [htype] = value;
316
317 void
318 warn (const char *msg)
319 CODE:
320 rxvt_warn ("%s", msg);
321
322 void
323 fatal (const char *msg)
324 CODE:
325 rxvt_fatal ("%s", msg);
326
327 NV
328 NOW ()
329 CODE:
330 RETVAL = NOW;
331 OUTPUT:
332 RETVAL
333
334 MODULE = urxvt PACKAGE = urxvt::term
335
336 int
337 rxvt_term::strwidth (SV *str)
338 CODE:
339 {
340 wchar_t *wstr = sv2wcs (str);
341
342 rxvt_push_locale (THIS->locale);
343 RETVAL = wcswidth (wstr, wcslen (wstr));
344 rxvt_pop_locale ();
345
346 free (wstr);
347 }
348 OUTPUT:
349 RETVAL
350
351 SV *
352 rxvt_term::locale_encode (SV *str)
353 CODE:
354 {
355 wchar_t *wstr = sv2wcs (str);
356
357 rxvt_push_locale (THIS->locale);
358 char *mbstr = rxvt_wcstombs (wstr);
359 rxvt_pop_locale ();
360
361 free (wstr);
362
363 RETVAL = newSVpv (mbstr, 0);
364 free (mbstr);
365 }
366 OUTPUT:
367 RETVAL
368
369 SV *
370 rxvt_term::locale_decode (SV *octets)
371 CODE:
372 {
373 STRLEN len;
374 char *data = SvPVbyte (octets, len);
375
376 rxvt_push_locale (THIS->locale);
377 wchar_t *wstr = rxvt_mbstowcs (data, len);
378 rxvt_pop_locale ();
379
380 char *str = rxvt_wcstoutf8 (wstr);
381 free (wstr);
382
383 RETVAL = newSVpv (str, 0);
384 SvUTF8_on (RETVAL);
385 free (str);
386 }
387 OUTPUT:
388 RETVAL
389
390 void
391 rxvt_term::_resource (char *name, int index, SV *newval = 0)
392 PPCODE:
393 {
394 struct resval { const char *name; int value; } rslist [] = {
395 # define Rs_def(name) { # name, Rs_ ## name },
396 # define Rs_reserve(name,count)
397 # include "rsinc.h"
398 # undef Rs_def
399 # undef Rs_reserve
400 };
401
402 struct resval *rs = rslist + sizeof (rslist) / sizeof (rslist [0]);
403
404 do {
405 if (rs-- == rslist)
406 croak ("no such resource '%s', requested", name);
407 } while (strcmp (name, rs->name));
408
409 index += rs->value;
410
411 if (!IN_RANGE_EXC (index, 0, NUM_RESOURCES))
412 croak ("requested out-of-bound resource %s+%d,", name, index - rs->value);
413
414 if (GIMME_V != G_VOID)
415 XPUSHs (THIS->rs [index] ? sv_2mortal (newSVpv (THIS->rs [index], 0)) : &PL_sv_undef);
416
417 if (newval)
418 {
419 if (SvOK (newval))
420 {
421 char *str = strdup (SvPVbyte_nolen (newval));
422 THIS->rs [index] = str;
423 THIS->allocated.push_back (str);
424 }
425 else
426 THIS->rs [index] = 0;
427 }
428 }
429
430 void
431 rxvt_term::selection_mark (...)
432 PROTOTYPE: $;$$
433 ALIAS:
434 selection_beg = 1
435 selection_end = 2
436 PPCODE:
437 {
438 row_col_t &sel = ix == 1 ? THIS->selection.beg
439 : ix == 2 ? THIS->selection.end
440 : THIS->selection.mark;
441
442 if (GIMME_V != G_VOID)
443 {
444 EXTEND (SP, 2);
445 PUSHs (sv_2mortal (newSViv (sel.row)));
446 PUSHs (sv_2mortal (newSViv (sel.col)));
447 }
448
449 if (items == 3)
450 {
451 sel.row = clamp (SvIV (ST (1)), -THIS->nsaved, THIS->nrow - 1);
452 sel.col = clamp (SvIV (ST (2)), 0, THIS->ncol - 1);
453
454 if (ix)
455 THIS->want_refresh = 1;
456 }
457 }
458
459 int
460 rxvt_term::selection_grab (int eventtime)
461
462 void
463 rxvt_term::selection (SV *newtext = 0)
464 PPCODE:
465 {
466 if (GIMME_V != G_VOID)
467 {
468 char *sel = rxvt_wcstoutf8 (THIS->selection.text, THIS->selection.len);
469 SV *sv = newSVpv (sel, 0);
470 SvUTF8_on (sv);
471 free (sel);
472 XPUSHs (sv_2mortal (sv));
473 }
474
475 if (newtext)
476 {
477 free (THIS->selection.text);
478
479 THIS->selection.text = sv2wcs (newtext);
480 THIS->selection.len = wcslen (THIS->selection.text);
481 }
482 }
483
484 void
485 rxvt_term::scr_overlay_new (int x, int y, int w, int h)
486
487 void
488 rxvt_term::scr_overlay_off ()
489
490 void
491 rxvt_term::scr_overlay_set_char (int x, int y, U32 text, U32 rend = OVERLAY_RSTYLE)
492 CODE:
493 THIS->scr_overlay_set (x, y, text, rend);
494
495 void
496 rxvt_term::scr_overlay_set (int x, int y, SV *text)
497 CODE:
498 {
499 wchar_t *wtext = sv2wcs (text);
500 THIS->scr_overlay_set (x, y, wtext);
501 free (wtext);
502 }
503
504 void
505 rxvt_term::tt_write (SV *octets)
506 INIT:
507 STRLEN len;
508 char *str = SvPVbyte (octets, len);
509 C_ARGS:
510 (unsigned char *)str, len
511
512 MODULE = urxvt PACKAGE = urxvt::timer
513
514 SV *
515 timer::new ()
516 CODE:
517 timer *w = new timer;
518 RETVAL = newSVptr ((void *)w, "urxvt::timer");
519 w->self = (HV *)SvRV (RETVAL);
520 OUTPUT:
521 RETVAL
522
523 timer *
524 timer::cb (SV *cb)
525 CODE:
526 THIS->cb (cb);
527 RETVAL = THIS;
528 OUTPUT:
529 RETVAL
530
531 NV
532 timer::at ()
533 CODE:
534 RETVAL = THIS->at;
535 OUTPUT:
536 RETVAL
537
538 timer *
539 timer::set (NV tstamp)
540 CODE:
541 THIS->set (tstamp);
542 RETVAL = THIS;
543 OUTPUT:
544 RETVAL
545
546 timer *
547 timer::start (NV tstamp = THIS->at)
548 CODE:
549 THIS->start (tstamp);
550 RETVAL = THIS;
551 OUTPUT:
552 RETVAL
553
554 timer *
555 timer::stop ()
556 CODE:
557 THIS->stop ();
558 RETVAL = THIS;
559 OUTPUT:
560 RETVAL
561
562 void
563 timer::DESTROY ()
564
565 MODULE = urxvt PACKAGE = urxvt::iow
566
567 SV *
568 iow::new ()
569 CODE:
570 iow *w = new iow;
571 RETVAL = newSVptr ((void *)w, "urxvt::iow");
572 w->self = (HV *)SvRV (RETVAL);
573 OUTPUT:
574 RETVAL
575
576 iow *
577 iow::cb (SV *cb)
578 CODE:
579 THIS->cb (cb);
580 RETVAL = THIS;
581 OUTPUT:
582 RETVAL
583
584 iow *
585 iow::fd (int fd)
586 CODE:
587 THIS->fd = fd;
588 RETVAL = THIS;
589 OUTPUT:
590 RETVAL
591
592 iow *
593 iow::events (short events)
594 CODE:
595 THIS->events = events;
596 RETVAL = THIS;
597 OUTPUT:
598 RETVAL
599
600 iow *
601 iow::start ()
602 CODE:
603 THIS->start ();
604 RETVAL = THIS;
605 OUTPUT:
606 RETVAL
607
608 iow *
609 iow::stop ()
610 CODE:
611 THIS->stop ();
612 RETVAL = THIS;
613 OUTPUT:
614 RETVAL
615
616 void
617 iow::DESTROY ()
618
619