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/cvs/rxvt-unicode/src/rxvtperl.xs
Revision: 1.4
Committed: Mon Jan 2 19:05:05 2006 UTC (18 years, 5 months ago) by root
Branch: MAIN
Changes since 1.3: +11 -11 lines
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# User Rev Content
1 root 1.1 /*----------------------------------------------------------------------*
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 root 1.4 // INIT and DESTROY must be requested by the runtime
214    
215     if (!perl || !should_invoke [htype])
216 root 1.1 return false;
217 root 1.4
218 root 1.1 if (htype == HOOK_INIT) // first hook ever called
219     term->self = (void *)newSVptr ((void *)term, "urxvt::term");
220    
221     dSP;
222     va_list ap;
223    
224     va_start (ap, htype);
225    
226     ENTER;
227     SAVETMPS;
228    
229     PUSHMARK (SP);
230    
231     XPUSHs (sv_2mortal (newSVterm (term)));
232     XPUSHs (sv_2mortal (newSViv (htype)));
233    
234     for (;;) {
235     data_type dt = (data_type)va_arg (ap, int);
236    
237     switch (dt)
238     {
239     case DT_INT:
240     XPUSHs (sv_2mortal (newSViv (va_arg (ap, int))));
241     break;
242    
243     case DT_LONG:
244     XPUSHs (sv_2mortal (newSViv (va_arg (ap, long))));
245     break;
246    
247     case DT_END:
248     {
249     va_end (ap);
250    
251     PUTBACK;
252     int count = call_pv ("urxvt::invoke", G_ARRAY | G_EVAL);
253     SPAGAIN;
254    
255     if (count)
256     {
257     SV *status = POPs;
258     count = SvTRUE (status);
259     }
260    
261     PUTBACK;
262     FREETMPS;
263     LEAVE;
264    
265     if (SvTRUE (ERRSV))
266     rxvt_warn ("perl hook %d evaluation error: %s", htype, SvPV_nolen (ERRSV));
267    
268 root 1.4 if (htype == HOOK_DESTROY)
269     {
270     // TODO: clear magic
271     hv_clear ((HV *)SvRV ((SV *)term->self));
272     SvREFCNT_dec ((SV *)term->self);
273     }
274    
275 root 1.1 return count;
276     }
277    
278     default:
279     rxvt_fatal ("FATAL: unable to pass data type %d\n", dt);
280     }
281     }
282     }
283    
284     /////////////////////////////////////////////////////////////////////////////
285    
286     MODULE = urxvt PACKAGE = urxvt
287    
288     PROTOTYPES: ENABLE
289    
290     BOOT:
291     {
292     # define set_hookname(sym) av_store (hookname, PP_CONCAT(HOOK_, sym), newSVpv (PP_STRINGIFY(sym), 0))
293     AV *hookname = get_av ("urxvt::HOOKNAME", 1);
294     set_hookname (LOAD);
295     set_hookname (INIT);
296     set_hookname (RESET);
297     set_hookname (START);
298     set_hookname (DESTROY);
299     set_hookname (SEL_BEGIN);
300     set_hookname (SEL_EXTEND);
301     set_hookname (SEL_MAKE);
302     set_hookname (SEL_GRAB);
303     set_hookname (FOCUS_IN);
304     set_hookname (FOCUS_OUT);
305     set_hookname (VIEW_CHANGE);
306     set_hookname (SCROLL_BACK);
307     set_hookname (TTY_ACTIVITY);
308     set_hookname (REFRESH_BEGIN);
309     set_hookname (REFRESH_END);
310    
311     sv_setpv (get_sv ("urxvt::LIBDIR", 1), LIBDIR);
312     }
313    
314     void
315     set_should_invoke (int htype, int value)
316     CODE:
317     rxvt_perl.should_invoke [htype] = value;
318    
319     void
320     warn (const char *msg)
321     CODE:
322     rxvt_warn ("%s", msg);
323    
324     void
325     fatal (const char *msg)
326     CODE:
327     rxvt_fatal ("%s", msg);
328    
329 root 1.3 NV
330     NOW ()
331     CODE:
332     RETVAL = NOW;
333     OUTPUT:
334     RETVAL
335    
336     MODULE = urxvt PACKAGE = urxvt::term
337    
338 root 1.1 int
339 root 1.3 rxvt_term::strwidth (SV *str)
340 root 1.1 CODE:
341     {
342     wchar_t *wstr = sv2wcs (str);
343 root 1.3
344     rxvt_push_locale (THIS->locale);
345 root 1.1 RETVAL = wcswidth (wstr, wcslen (wstr));
346 root 1.3 rxvt_pop_locale ();
347    
348 root 1.1 free (wstr);
349     }
350     OUTPUT:
351     RETVAL
352    
353 root 1.3 SV *
354     rxvt_term::locale_encode (SV *str)
355 root 1.1 CODE:
356 root 1.3 {
357     wchar_t *wstr = sv2wcs (str);
358    
359     rxvt_push_locale (THIS->locale);
360     char *mbstr = rxvt_wcstombs (wstr);
361     rxvt_pop_locale ();
362    
363     free (wstr);
364    
365     RETVAL = newSVpv (mbstr, 0);
366     free (mbstr);
367     }
368     OUTPUT:
369 root 1.1 RETVAL
370    
371 root 1.3 SV *
372     rxvt_term::locale_decode (SV *octets)
373     CODE:
374     {
375     STRLEN len;
376     char *data = SvPVbyte (octets, len);
377    
378     rxvt_push_locale (THIS->locale);
379     wchar_t *wstr = rxvt_mbstowcs (data, len);
380     rxvt_pop_locale ();
381    
382     char *str = rxvt_wcstoutf8 (wstr);
383     free (wstr);
384    
385     RETVAL = newSVpv (str, 0);
386     SvUTF8_on (RETVAL);
387     free (str);
388     }
389     OUTPUT:
390     RETVAL
391 root 1.1
392     void
393 root 1.2 rxvt_term::_resource (char *name, int index, SV *newval = 0)
394     PPCODE:
395     {
396     struct resval { const char *name; int value; } rslist [] = {
397     # define Rs_def(name) { # name, Rs_ ## name },
398     # define Rs_reserve(name,count)
399     # include "rsinc.h"
400     # undef Rs_def
401     # undef Rs_reserve
402     };
403    
404     struct resval *rs = rslist + sizeof (rslist) / sizeof (rslist [0]);
405    
406     do {
407     if (rs-- == rslist)
408     croak ("no such resource '%s', requested", name);
409     } while (strcmp (name, rs->name));
410    
411     index += rs->value;
412    
413     if (!IN_RANGE_EXC (index, 0, NUM_RESOURCES))
414     croak ("requested out-of-bound resource %s+%d,", name, index - rs->value);
415    
416     if (GIMME_V != G_VOID)
417     XPUSHs (THIS->rs [index] ? sv_2mortal (newSVpv (THIS->rs [index], 0)) : &PL_sv_undef);
418    
419     if (newval)
420     {
421     if (SvOK (newval))
422     {
423     char *str = strdup (SvPVbyte_nolen (newval));
424     THIS->rs [index] = str;
425     THIS->allocated.push_back (str);
426     }
427     else
428     THIS->rs [index] = 0;
429     }
430     }
431    
432     void
433 root 1.1 rxvt_term::selection_mark (...)
434     PROTOTYPE: $;$$
435     ALIAS:
436     selection_beg = 1
437     selection_end = 2
438     PPCODE:
439     {
440     row_col_t &sel = ix == 1 ? THIS->selection.beg
441     : ix == 2 ? THIS->selection.end
442     : THIS->selection.mark;
443    
444     if (GIMME_V != G_VOID)
445     {
446     EXTEND (SP, 2);
447     PUSHs (sv_2mortal (newSViv (sel.row)));
448     PUSHs (sv_2mortal (newSViv (sel.col)));
449     }
450    
451     if (items == 3)
452     {
453     sel.row = clamp (SvIV (ST (1)), -THIS->nsaved, THIS->nrow - 1);
454     sel.col = clamp (SvIV (ST (2)), 0, THIS->ncol - 1);
455    
456     if (ix)
457     THIS->want_refresh = 1;
458     }
459     }
460    
461     int
462     rxvt_term::selection_grab (int eventtime)
463    
464     void
465     rxvt_term::selection (SV *newtext = 0)
466     PPCODE:
467     {
468     if (GIMME_V != G_VOID)
469     {
470     char *sel = rxvt_wcstoutf8 (THIS->selection.text, THIS->selection.len);
471     SV *sv = newSVpv (sel, 0);
472     SvUTF8_on (sv);
473     free (sel);
474     XPUSHs (sv_2mortal (sv));
475     }
476    
477     if (newtext)
478     {
479     free (THIS->selection.text);
480    
481     THIS->selection.text = sv2wcs (newtext);
482     THIS->selection.len = wcslen (THIS->selection.text);
483     }
484     }
485    
486     void
487     rxvt_term::scr_overlay_new (int x, int y, int w, int h)
488    
489     void
490     rxvt_term::scr_overlay_off ()
491    
492     void
493     rxvt_term::scr_overlay_set_char (int x, int y, U32 text, U32 rend = OVERLAY_RSTYLE)
494     CODE:
495     THIS->scr_overlay_set (x, y, text, rend);
496    
497     void
498     rxvt_term::scr_overlay_set (int x, int y, SV *text)
499     CODE:
500     {
501     wchar_t *wtext = sv2wcs (text);
502     THIS->scr_overlay_set (x, y, wtext);
503     free (wtext);
504     }
505    
506 root 1.3 void
507     rxvt_term::tt_write (SV *octets)
508     INIT:
509     STRLEN len;
510     char *str = SvPVbyte (octets, len);
511     C_ARGS:
512     (unsigned char *)str, len
513    
514 root 1.1 MODULE = urxvt PACKAGE = urxvt::timer
515    
516     SV *
517     timer::new ()
518     CODE:
519     timer *w = new timer;
520     RETVAL = newSVptr ((void *)w, "urxvt::timer");
521     w->self = (HV *)SvRV (RETVAL);
522     OUTPUT:
523     RETVAL
524    
525     timer *
526     timer::cb (SV *cb)
527     CODE:
528     THIS->cb (cb);
529     RETVAL = THIS;
530     OUTPUT:
531     RETVAL
532    
533     NV
534     timer::at ()
535     CODE:
536     RETVAL = THIS->at;
537     OUTPUT:
538     RETVAL
539    
540     timer *
541     timer::set (NV tstamp)
542     CODE:
543     THIS->set (tstamp);
544     RETVAL = THIS;
545     OUTPUT:
546     RETVAL
547    
548     timer *
549     timer::start (NV tstamp = THIS->at)
550     CODE:
551     THIS->start (tstamp);
552     RETVAL = THIS;
553     OUTPUT:
554     RETVAL
555    
556     timer *
557     timer::stop ()
558     CODE:
559     THIS->stop ();
560     RETVAL = THIS;
561     OUTPUT:
562     RETVAL
563    
564     void
565     timer::DESTROY ()
566    
567     MODULE = urxvt PACKAGE = urxvt::iow
568    
569     SV *
570     iow::new ()
571     CODE:
572     iow *w = new iow;
573     RETVAL = newSVptr ((void *)w, "urxvt::iow");
574     w->self = (HV *)SvRV (RETVAL);
575     OUTPUT:
576     RETVAL
577    
578     iow *
579     iow::cb (SV *cb)
580     CODE:
581     THIS->cb (cb);
582     RETVAL = THIS;
583     OUTPUT:
584     RETVAL
585    
586     iow *
587     iow::fd (int fd)
588     CODE:
589     THIS->fd = fd;
590     RETVAL = THIS;
591     OUTPUT:
592     RETVAL
593    
594     iow *
595     iow::events (short events)
596     CODE:
597     THIS->events = events;
598     RETVAL = THIS;
599     OUTPUT:
600     RETVAL
601    
602     iow *
603     iow::start ()
604     CODE:
605     THIS->start ();
606     RETVAL = THIS;
607     OUTPUT:
608     RETVAL
609    
610     iow *
611     iow::stop ()
612     CODE:
613     THIS->stop ();
614     RETVAL = THIS;
615     OUTPUT:
616     RETVAL
617    
618     void
619     iow::DESTROY ()
620    
621