11 #include <sys/ioctl.h>
13 #if defined(USE_TERMINFO)
16 #elif defined(USE_TERMCAP)
20 #include "multiprogress.h"
22 static FILE *dup_stream(int fd
)
27 newfd
= dup(fd
); if (newfd
< 0) return (0);
28 fp
= fdopen(newfd
, "r+"); if (!fp
) return (0);
32 int progress_init(struct progress_state
*progress
)
40 struct progress_ttyinfo
*tty
;
46 tty
->termbuf
= tty
->capbuf
= 0;
48 tty
->cap
.cr
= tty
->cap
.up
= tty
->cap
.ce
= tty
->cap
.cd
=
49 tty
->cap
.mr
= tty
->cap
.md
= tty
->cap
.me
=
50 tty
->cap
.af
= tty
->cap
.ab
= tty
->cap
.op
= 0;
52 progress
->items
= progress
->end_item
= 0;
53 progress
->nitems
= 0; progress
->last_lines
= 0;
54 progress
->tv_update
.tv_sec
= 0; progress
->tv_update
.tv_usec
= 0;
56 if (isatty(1)) tty
->fp
= dup_stream(1);
57 else if (isatty(2)) tty
->fp
= dup_stream(2);
58 else tty
->fp
= fopen("/dev/tty", "r+");
59 if (!tty
->fp
) return (-1);
61 #define SETDIM(dim, var, getcap, dflt) do { \
62 t = getenv(var); if (t) { n = atoi(t); if (n) { tty->dim = n; break; } } \
63 n = getcap; if (n > 0) { tty->dim = n; break; } \
67 #if defined(USE_TERMINFO)
69 if (setupterm(0, fileno(tty
->fp
), &err
) != OK
|| err
< 1) return (-1);
71 tty
->cap
.cr
= tigetstr("cr");
72 tty
->cap
.up
= tigetstr("cuu1");
73 tty
->cap
.ce
= tigetstr("el");
74 tty
->cap
.cd
= tigetstr("ed");
76 if (tigetnum("xmc") < 1) {
77 tty
->cap
.mr
= tigetstr("rev");
78 tty
->cap
.md
= tigetstr("bold");
79 tty
->cap
.me
= tigetstr("sgr0");
81 tty
->cap
.af
= tigetstr("setaf");
82 tty
->cap
.ab
= tigetstr("setab");
83 tty
->cap
.op
= tigetstr("op");
86 if (tigetflag("bce") > 0) tty
->cap
.f
|= TCF_BCE
;
88 SETDIM(defwd
, "COLUMNS", tigetnum("co"), 80);
89 SETDIM(defht
, "LINES", tigetnum("li"), 25);
91 #elif defined(USE_TERMCAP)
93 term
= getenv("TERM"); if (!term
) return (-1);
94 if (tgetent(tty
->termbuf
, term
) < 1) return (-1);
96 tty
->termbuf
= malloc(4096); if (!tty
->termbuf
) return (-1);
97 tty
->capbuf
= malloc(4096); if (!tty
->capbuf
) return (-1);
100 tty
->cap
.cr
= tgetstr("cr", &capcur
);
101 tty
->cap
.up
= tgetstr("up", &capcur
);
102 tty
->cap
.ce
= tgetstr("ce", &capcur
);
103 tty
->cap
.cd
= tgetstr("cd", &capcur
);
105 if (tgetnum("sg") < 1) {
106 tty
->cap
.mr
= tgetstr("mr", &capcur
);
107 tty
->cap
.md
= tgetstr("md", &capcur
);
108 tty
->cap
.me
= tgetstr("me", &capcur
);
110 tty
->cap
.af
= tgetstr("AF", &capcur
);
111 tty
->cap
.ab
= tgetstr("AB", &capcur
);
112 tty
->cap
.op
= tgetstr("op", &capcur
);
115 if (tgetflag("ut") > 0) tty
->cap
.f
|= TCF_BCE
;
117 t
= tgetstr("pc", &capcur
); PC
= t ?
*t
: 0;
119 SETDIM(defwd
, "COLUMNS", tgetnum("co"), 80);
120 SETDIM(defht
, "LINES", tgetnum("li"), 25);
124 SETDIM(defwd
, "COLUMNS", -1, 80);
125 SETDIM(defht
, "LINES", -1, 25);
131 if (!tty
->cap
.cr
|| !tty
->cap
.up
|| !tty
->cap
.ce
|| !tty
->cap
.cd
)
132 { fclose(tty
->fp
); tty
->fp
= 0; return (-1); }
133 if (!tty
->cap
.af
|| !tty
->cap
.ab
|| !tty
->cap
.op
) tty
->cap
.op
= 0;
134 if (!tty
->cap
.me
) tty
->cap
.mr
= tty
->cap
.md
= 0;
138 void progress_free(struct progress_state
*progress
)
140 struct progress_ttyinfo
*tty
= &progress
->tty
;
142 if (tty
->fp
) { fclose(tty
->fp
); tty
->fp
= 0; }
143 free(tty
->termbuf
); free(tty
->capbuf
); tty
->termbuf
= tty
->capbuf
= 0;
146 #if defined(USE_TERMINFO)
147 static const struct progress_ttyinfo
*curtty
= 0;
148 static int putty(int ch
) { return (putc(ch
, curtty
->fp
)); }
149 static void put_sequence(const struct progress_ttyinfo
*tty
,
150 const char *p
, unsigned nlines
)
151 { if (p
) { curtty
= tty
; tputs(p
, nlines
, putty
); } }
152 static void set_fgcolour(const struct progress_ttyinfo
*tty
, int colour
)
153 { put_sequence(tty
, tgoto(tty
->cap
.af
, -1, colour
), 1); }
154 static void set_bgcolour(const struct progress_ttyinfo
*tty
, int colour
)
155 { put_sequence(tty
, tgoto(tty
->cap
.ab
, -1, colour
), 1); }
156 #elif defined(USE_TERMCAP)
157 static const struct progress_ttyinfo
*curtty
= 0;
158 static int putty(int ch
) { return (putc(ch
, curtty
->fp
)); }
159 static void put_sequence(const struct progress_ttyinfo
*tty
,
160 const char *p
, unsigned nlines
)
161 { if (p
) { curtty
= tty
; tputs(p
, nlines
, putty
); } }
162 static void set_fgcolour(const struct progress_ttyinfo
*tty
, int colour
)
163 { put_sequence(tty
, tgoto(tty
->cap
.af
, -1, colour
), 1); }
164 static void set_bgcolour(const struct progress_ttyinfo
*tty
, int colour
)
165 { put_sequence(tty
, tgoto(tty
->cap
.ab
, -1, colour
), 1); }
167 static void put_sequence(const struct progress_ttyinfo
*tty
,
168 const char *p
, unsigned nlines
) { ; }
169 static void set_fgcolour(const struct progress_ttyinfo
*tty
, int colour
)
171 static void set_bgcolour(const struct progress_ttyinfo
*tty
, int colour
)
176 static int clear_progress(struct progress_state
*progress
,
177 struct progress_render_state
*render
, unsigned f
)
179 const struct progress_ttyinfo
*tty
= &progress
->tty
;
180 unsigned ndel
, nleave
;
183 if (!tty
->fp
) return (-1);
185 put_sequence(tty
, tty
->cap
.cr
, 1);
186 if (progress
->last_lines
) {
188 { ndel
= progress
->last_lines
; nleave
= 0; }
190 if (progress
->nitems
>= progress
->last_lines
) ndel
= 0;
191 else ndel
= progress
->last_lines
- progress
->nitems
;
192 nleave
= progress
->last_lines
- ndel
;
195 for (i
= 0; i
< nleave
- 1; i
++) put_sequence(tty
, tty
->cap
.up
, 1);
197 for (i
= 0; i
< ndel
- 1; i
++) put_sequence(tty
, tty
->cap
.up
, 1);
198 put_sequence(tty
, tty
->cap
.cd
, ndel
);
199 for (i
= 0; i
< nleave
; i
++) put_sequence(tty
, tty
->cap
.up
, 1);
202 progress
->last_lines
= 0;
203 if (ferror(tty
->fp
)) return (-1);
207 static int grow_linebuf(struct progress_render_state
*render
, size_t want
)
209 char *newbuf
; size_t newsz
;
211 if (want
<= render
->linesz
) return (0);
212 if (!render
->linesz
) newsz
= 4*render
->width
+ 1;
213 else newsz
= render
->linesz
;
214 while (newsz
< want
) newsz
*= 2;
215 newbuf
= malloc(newsz
+ 1); if (!newbuf
) return (-1);
218 memcpy(newbuf
, render
->linebuf
, render
->leftsz
);
220 memcpy(newbuf
+ newsz
- render
->rightsz
,
221 render
->linebuf
+ render
->linesz
- render
->rightsz
,
223 free(render
->linebuf
); render
->linebuf
= newbuf
; render
->linesz
= newsz
;
227 static int grow_tempbuf(struct progress_render_state
*render
, size_t want
)
229 char *newbuf
; size_t newsz
;
231 if (want
<= render
->tempsz
) return (0);
232 if (!render
->tempsz
) newsz
= 4*render
->width
+ 1;
233 else newsz
= render
->tempsz
;
234 while (newsz
< want
) newsz
*= 2;
235 newbuf
= malloc(newsz
+ 1); if (!newbuf
) return (-1);
237 if (render
->tempsz
) memcpy(newbuf
, render
->tempbuf
, render
->tempsz
);
238 free(render
->tempbuf
); render
->tempbuf
= newbuf
; render
->tempsz
= newsz
;
242 static int setup_render_state(struct progress_state
*progress
,
243 struct progress_render_state
*render
)
245 const struct progress_ttyinfo
*tty
= &progress
->tty
;
250 render
->linebuf
= 0; render
->linesz
= 0;
251 render
->tempbuf
= 0; render
->tempsz
= 0;
254 render
->old_bc
= BC
; BC
= 0;
255 render
->old_up
= UP
; UP
= 0;
258 if (!ioctl(fileno(tty
->fp
), TIOCGWINSZ
, &wsz
))
259 { render
->width
= wsz
.ws_col
; render
->height
= wsz
.ws_row
; }
261 { render
->width
= tty
->defwd
; render
->height
= tty
->defht
; rc
= -1; }
263 if (render
->width
&& !tty
->cap
.op
&& !tty
->cap
.mr
) render
->width
--;
268 static void free_render_state(struct progress_render_state
*render
)
270 fflush(render
->tty
->fp
);
271 free(render
->linebuf
); render
->linebuf
= 0; render
->linesz
= 0;
272 free(render
->tempbuf
); render
->tempbuf
= 0; render
->tempsz
= 0;
279 #define CONV_MORE ((size_t)-2)
280 #define CONV_BAD ((size_t)-1)
284 const char *p
; size_t i
, sz
;
288 static void init_measure(struct measure
*m
, const char *p
, size_t sz
)
290 m
->p
= p
; m
->sz
= sz
; m
->i
= 0; m
->wd
= 0;
291 memset(&m
->ps
, 0, sizeof(m
->ps
));
294 static int advance_measure(struct measure
*m
)
300 n
= mbrtowc(&wch
, m
->p
+ m
->i
, m
->sz
- m
->i
, &m
->ps
);
301 if (!n
) { chwd
= 0; n
= m
->sz
- m
->i
; }
302 else if (n
== CONV_MORE
) { chwd
= 2; n
= m
->sz
- m
->i
; }
303 else if (n
== CONV_BAD
) { chwd
= 2; n
= 1; }
304 else chwd
= wcwidth(wch
);
306 m
->i
+= n
; m
->wd
+= chwd
;
307 return (m
->i
< m
->sz
);
310 static unsigned string_width(const char *p
, size_t sz
)
314 init_measure(&m
, p
, sz
);
315 while (advance_measure(&m
));
319 static size_t split_string(const char *p
, size_t sz
,
320 unsigned *wd_out
, unsigned maxwd
)
323 size_t lasti
; unsigned lastwd
;
326 init_measure(&m
, p
, sz
);
328 lasti
= m
.i
; lastwd
= m
.wd
;
329 more
= advance_measure(&m
);
330 if (m
.wd
> maxwd
) { *wd_out
= lastwd
; return (lasti
); }
331 else if (!more
) { *wd_out
= m
.wd
; return (sz
); }
335 enum { LEFT
, RIGHT
};
336 static int putstr(struct progress_render_state
*render
, unsigned side
,
337 const char *p
, size_t n
)
339 unsigned newwd
= string_width(p
, n
);
342 if (newwd
>= render
->width
- render
->leftwd
- render
->rightwd
) return (-1);
343 want
= render
->leftsz
+ render
->rightsz
+ n
;
344 if (want
> render
->linesz
&& grow_linebuf(render
, want
)) return (-1);
347 memcpy(render
->linebuf
+ render
->leftsz
, p
, n
);
348 render
->leftsz
+= n
; render
->leftwd
+= newwd
;
351 memcpy(render
->linebuf
+ render
->linesz
- render
->rightsz
- n
, p
, n
);
352 render
->rightsz
+= n
; render
->rightwd
+= newwd
;
360 static int vputf(struct progress_render_state
*render
, unsigned side
,
361 const char *fmt
, va_list ap
)
366 if (!render
->tempsz
&& grow_tempbuf(render
, 2*strlen(fmt
))) return (-1);
369 rc
= vsnprintf(render
->tempbuf
, render
->tempsz
, fmt
, bp
);
371 if (rc
< 0) return (-1);
372 if (rc
<= render
->tempsz
) break;
373 if (grow_tempbuf(render
, 2*(rc
+ 1))) return (-1);
375 if (putstr(render
, side
, render
->tempbuf
, rc
)) return (-1);
379 int progress_vputleft(struct progress_render_state
*render
,
380 const char *fmt
, va_list ap
)
381 { return (vputf(render
, LEFT
, fmt
, ap
)); }
383 int progress_vputright(struct progress_render_state
*render
,
384 const char *fmt
, va_list ap
)
385 { return (vputf(render
, RIGHT
, fmt
, ap
)); }
387 int progress_putleft(struct progress_render_state
*render
,
388 const char *fmt
, ...)
393 va_start(ap
, fmt
); rc
= vputf(render
, LEFT
, fmt
, ap
); va_end(ap
);
397 int progress_putright(struct progress_render_state
*render
,
398 const char *fmt
, ...)
403 va_start(ap
, fmt
); rc
= vputf(render
, RIGHT
, fmt
, ap
); va_end(ap
);
416 const struct progress_render_state
*render
;
417 unsigned pos
, nextpos
, state
;
420 static void advance_bar_state(struct bar_state
*bar
)
422 const struct progress_render_state
*render
= bar
->render
;
423 const struct progress_ttyinfo
*tty
= render
->tty
;
424 size_t here
= bar
->nextpos
;
426 while (bar
->nextpos
== here
) {
427 switch (bar
->state
) {
428 case LEFT_COLOUR
: set_bgcolour(tty
, 3); goto right
;
429 case LEFT_MONO
: put_sequence(tty
, tty
->cap
.me
, 1); goto right
;
430 case LEFT_SIMPLE
: putc('|', tty
->fp
); goto right
;
431 right
: bar
->state
= RIGHT_ANY
; bar
->nextpos
= render
->width
; break;
432 case RIGHT_ANY
: bar
->state
= STOP
; bar
->nextpos
= UINT_MAX
; break;
437 static void put_str(FILE *fp
, const char *p
, size_t sz
)
438 { while (sz
--) putc(*p
++, fp
); }
439 static void put_spc(FILE *fp
, unsigned n
)
440 { while (n
--) putc(' ', fp
); }
442 static void put_barstr(struct bar_state
*bar
, const char *p
, size_t sz
)
448 n
= split_string(p
, sz
, &wd
, bar
->nextpos
- bar
->pos
);
449 if (n
== sz
&& wd
< bar
->nextpos
- bar
->pos
) break;
450 put_str(bar
->render
->tty
->fp
, p
, n
); bar
->pos
+= wd
;
451 advance_bar_state(bar
);
454 put_str(bar
->render
->tty
->fp
, p
, sz
); bar
->pos
+= wd
;
457 static void put_barspc(struct bar_state
*bar
, unsigned n
)
462 step
= bar
->nextpos
- bar
->pos
;
464 put_spc(bar
->render
->tty
->fp
, step
); bar
->pos
+= step
;
465 advance_bar_state(bar
);
468 put_spc(bar
->render
->tty
->fp
, n
); bar
->pos
+= n
;
471 int progress_showbar(struct progress_render_state
*render
, double frac
)
473 const struct progress_ttyinfo
*tty
= render
->tty
;
474 struct bar_state bar
;
476 if (!tty
->fp
) return (-1);
478 bar
.render
= render
; bar
.pos
= 0; bar
.nextpos
= frac
*render
->width
+ 0.5;
481 set_fgcolour(tty
, 0); bar
.state
= LEFT_COLOUR
;
482 if (bar
.nextpos
) set_bgcolour(tty
, 2);
483 else advance_bar_state(&bar
);
484 } else if (tty
->cap
.mr
) {
486 { bar
.state
= LEFT_MONO
; put_sequence(tty
, tty
->cap
.mr
, 1); }
488 { bar
.state
= RIGHT
; bar
.nextpos
= render
->width
; }
490 bar
.state
= LEFT_SIMPLE
;
492 put_barstr(&bar
, render
->linebuf
, render
->leftsz
);
493 put_barspc(&bar
, render
->width
- render
->leftwd
- render
->rightwd
);
495 render
->linebuf
+ render
->linesz
- render
->rightsz
,
498 put_sequence(tty
, tty
->cap
.me
, 1);
499 put_sequence(tty
, tty
->cap
.op
, 1);
504 int progress_shownotice(struct progress_render_state
*render
, int bg
, int fg
)
506 const struct progress_ttyinfo
*tty
= render
->tty
;
508 if (!tty
->fp
) return (-1);
510 if (tty
->cap
.op
) { set_fgcolour(tty
, fg
); set_bgcolour(tty
, bg
); }
511 else if (tty
->cap
.mr
) put_sequence(tty
, tty
->cap
.mr
, 1);
512 if (tty
->cap
.md
) put_sequence(tty
, tty
->cap
.md
, 1);
514 put_str(tty
->fp
, render
->linebuf
, render
->leftsz
);
515 if (!render
->rightsz
&& (tty
->cap
.f
&TCF_BCE
) && tty
->cap
.ce
)
516 put_sequence(tty
, tty
->cap
.ce
, 1);
518 put_spc(tty
->fp
, render
->width
- render
->leftwd
- render
->rightwd
);
520 render
->linebuf
+ render
->linesz
- render
->rightsz
,
524 put_sequence(tty
, tty
->cap
.me
, 1);
525 put_sequence(tty
, tty
->cap
.op
, 1);
530 int progress_additem(struct progress_state
*progress
,
531 struct progress_item
*item
)
533 if (item
->parent
) return (-1);
534 item
->prev
= progress
->end_item
; item
->next
= 0;
535 if (progress
->end_item
) progress
->end_item
->next
= item
;
536 else progress
->items
= item
;
537 progress
->end_item
= item
; item
->parent
= progress
;
543 int progress_clear(struct progress_state
*progress
)
545 struct progress_render_state render
;
547 if (!progress
->tty
.fp
) return (-1);
548 if (setup_render_state(progress
, &render
)) return (-1);
549 clear_progress(progress
, &render
, CLRF_ALL
);
550 free_render_state(&render
);
554 int progress_update(struct progress_state
*progress
)
556 struct progress_render_state render
;
557 struct progress_item
*item
;
561 if (!progress
->tty
.fp
) return (-1);
562 if (setup_render_state(progress
, &render
)) return (-1);
563 clear_progress(progress
, &render
, 0);
565 for (item
= progress
->items
; item
; item
= item
->next
) {
566 if (f
&f_any
) fputs("\r\n", progress
->tty
.fp
);
567 render
.leftsz
= render
.rightsz
= 0;
568 render
.leftwd
= render
.rightwd
= 0;
569 item
->render(item
, &render
); progress
->last_lines
++; f
|= f_any
;
570 if (progress
->last_lines
> render
.height
) break;
572 free_render_state(&render
);
576 int progress_removeitem(struct progress_state
*progress
,
577 struct progress_item
*item
)
579 if (!item
->parent
) return (-1);
580 if (item
->next
) item
->next
->prev
= item
->prev
;
581 else (progress
->end_item
) = item
->prev
;
582 if (item
->prev
) item
->prev
->next
= item
->next
;
583 else (progress
->items
) = item
->next
;
584 progress
->nitems
--; item
->parent
= 0;