ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/rxvtperl.xs
Revision: 1.1
Committed: Mon Jan 2 15:35:43 2006 UTC (18 years, 5 months ago) by root
Branch: MAIN
Log Message:
*** empty log message ***

File Contents

# 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     if (!perl)
214     return false;
215    
216     if (htype == HOOK_INIT) // first hook ever called
217     term->self = (void *)newSVptr ((void *)term, "urxvt::term");
218     else if (htype == HOOK_DESTROY)
219     {
220     // TODO: clear magic
221     hv_clear ((HV *)SvRV ((SV *)term->self));
222     SvREFCNT_dec ((SV *)term->self);
223     }
224    
225     if (!should_invoke [htype])
226     return false;
227    
228     dSP;
229     va_list ap;
230    
231     va_start (ap, htype);
232    
233     ENTER;
234     SAVETMPS;
235    
236     PUSHMARK (SP);
237    
238     XPUSHs (sv_2mortal (newSVterm (term)));
239     XPUSHs (sv_2mortal (newSViv (htype)));
240    
241     for (;;) {
242     data_type dt = (data_type)va_arg (ap, int);
243    
244     switch (dt)
245     {
246     case DT_INT:
247     XPUSHs (sv_2mortal (newSViv (va_arg (ap, int))));
248     break;
249    
250     case DT_LONG:
251     XPUSHs (sv_2mortal (newSViv (va_arg (ap, long))));
252     break;
253    
254     case DT_END:
255     {
256     va_end (ap);
257    
258     PUTBACK;
259     int count = call_pv ("urxvt::invoke", G_ARRAY | G_EVAL);
260     SPAGAIN;
261    
262     if (count)
263     {
264     SV *status = POPs;
265     count = SvTRUE (status);
266     }
267    
268     PUTBACK;
269     FREETMPS;
270     LEAVE;
271    
272     if (SvTRUE (ERRSV))
273     rxvt_warn ("perl hook %d evaluation error: %s", htype, SvPV_nolen (ERRSV));
274    
275     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     int
330     wcswidth (SV *str)
331     CODE:
332     {
333     wchar_t *wstr = sv2wcs (str);
334     RETVAL = wcswidth (wstr, wcslen (wstr));
335     free (wstr);
336     }
337     OUTPUT:
338     RETVAL
339    
340     NV
341     NOW ()
342     CODE:
343     RETVAL = NOW;
344     OUTPUT:
345     RETVAL
346    
347     MODULE = urxvt PACKAGE = urxvt::term
348    
349     void
350     rxvt_term::selection_mark (...)
351     PROTOTYPE: $;$$
352     ALIAS:
353     selection_beg = 1
354     selection_end = 2
355     PPCODE:
356     {
357     row_col_t &sel = ix == 1 ? THIS->selection.beg
358     : ix == 2 ? THIS->selection.end
359     : THIS->selection.mark;
360    
361     if (GIMME_V != G_VOID)
362     {
363     EXTEND (SP, 2);
364     PUSHs (sv_2mortal (newSViv (sel.row)));
365     PUSHs (sv_2mortal (newSViv (sel.col)));
366     }
367    
368     if (items == 3)
369     {
370     sel.row = clamp (SvIV (ST (1)), -THIS->nsaved, THIS->nrow - 1);
371     sel.col = clamp (SvIV (ST (2)), 0, THIS->ncol - 1);
372    
373     if (ix)
374     THIS->want_refresh = 1;
375     }
376     }
377    
378     int
379     rxvt_term::selection_grab (int eventtime)
380    
381     void
382     rxvt_term::selection (SV *newtext = 0)
383     PPCODE:
384     {
385     if (GIMME_V != G_VOID)
386     {
387     char *sel = rxvt_wcstoutf8 (THIS->selection.text, THIS->selection.len);
388     SV *sv = newSVpv (sel, 0);
389     SvUTF8_on (sv);
390     free (sel);
391     XPUSHs (sv_2mortal (sv));
392     }
393    
394     if (newtext)
395     {
396     free (THIS->selection.text);
397    
398     THIS->selection.text = sv2wcs (newtext);
399     THIS->selection.len = wcslen (THIS->selection.text);
400     }
401     }
402    
403     void
404     rxvt_term::scr_overlay_new (int x, int y, int w, int h)
405    
406     void
407     rxvt_term::scr_overlay_off ()
408    
409     void
410     rxvt_term::scr_overlay_set_char (int x, int y, U32 text, U32 rend = OVERLAY_RSTYLE)
411     CODE:
412     THIS->scr_overlay_set (x, y, text, rend);
413    
414     void
415     rxvt_term::scr_overlay_set (int x, int y, SV *text)
416     CODE:
417     {
418     wchar_t *wtext = sv2wcs (text);
419     THIS->scr_overlay_set (x, y, wtext);
420     free (wtext);
421     }
422    
423     MODULE = urxvt PACKAGE = urxvt::timer
424    
425     SV *
426     timer::new ()
427     CODE:
428     timer *w = new timer;
429     RETVAL = newSVptr ((void *)w, "urxvt::timer");
430     w->self = (HV *)SvRV (RETVAL);
431     OUTPUT:
432     RETVAL
433    
434     timer *
435     timer::cb (SV *cb)
436     CODE:
437     THIS->cb (cb);
438     RETVAL = THIS;
439     OUTPUT:
440     RETVAL
441    
442     NV
443     timer::at ()
444     CODE:
445     RETVAL = THIS->at;
446     OUTPUT:
447     RETVAL
448    
449     timer *
450     timer::set (NV tstamp)
451     CODE:
452     THIS->set (tstamp);
453     RETVAL = THIS;
454     OUTPUT:
455     RETVAL
456    
457     timer *
458     timer::start (NV tstamp = THIS->at)
459     CODE:
460     THIS->start (tstamp);
461     RETVAL = THIS;
462     OUTPUT:
463     RETVAL
464    
465     timer *
466     timer::stop ()
467     CODE:
468     THIS->stop ();
469     RETVAL = THIS;
470     OUTPUT:
471     RETVAL
472    
473     void
474     timer::DESTROY ()
475    
476     MODULE = urxvt PACKAGE = urxvt::iow
477    
478     SV *
479     iow::new ()
480     CODE:
481     iow *w = new iow;
482     RETVAL = newSVptr ((void *)w, "urxvt::iow");
483     w->self = (HV *)SvRV (RETVAL);
484     OUTPUT:
485     RETVAL
486    
487     iow *
488     iow::cb (SV *cb)
489     CODE:
490     THIS->cb (cb);
491     RETVAL = THIS;
492     OUTPUT:
493     RETVAL
494    
495     iow *
496     iow::fd (int fd)
497     CODE:
498     THIS->fd = fd;
499     RETVAL = THIS;
500     OUTPUT:
501     RETVAL
502    
503     iow *
504     iow::events (short events)
505     CODE:
506     THIS->events = events;
507     RETVAL = THIS;
508     OUTPUT:
509     RETVAL
510    
511     iow *
512     iow::start ()
513     CODE:
514     THIS->start ();
515     RETVAL = THIS;
516     OUTPUT:
517     RETVAL
518    
519     iow *
520     iow::stop ()
521     CODE:
522     THIS->stop ();
523     RETVAL = THIS;
524     OUTPUT:
525     RETVAL
526    
527     void
528     iow::DESTROY ()
529    
530