/* called while row is locked */ void flushwarnings(void) { Warning *warn, *next; Window *w; Text *t; int owner, nr, q0, n; Rune *r; for(warn=warnings; warn; warn=next) { w = errorwin(warn->md, 'E'); t = &w->body; owner = w->owner; if(owner == 0) w->owner = 'E'; wincommit(w, t); /* * Most commands don't generate much output. For instance, * Edit ,>cat goes through /dev/cons and is already in blocks * because of the i/o system, but a few can. Edit ,p will * put the entire result into a single hunk. So it's worth doing * this in blocks (and putting the text in a buffer in the first * place), to avoid a big memory footprint. */ r = fbufalloc(); q0 = t->file->nc; for(n = 0; n < warn->buf.nc; n += nr){ nr = warn->buf.nc - n; if(nr > RBUFSIZE) nr = RBUFSIZE; bufread(&warn->buf, n, r, nr); textbsinsert(t, t->file->nc, r, nr, TRUE, &nr); } textshow(t, q0, t->file->nc, 1); free(r); winsettag(t->w); textscrdraw(t); w->owner = owner; w->dirty = FALSE; winunlock(w); bufclose(&warn->buf); next = warn->next; if(warn->md) fsysdelid(warn->md); free(warn); } warnings = nil; }
void xfidwrite(Xfid *x) { Fcall fc; int c, cnt, qid, q, nb, nr, eval; char buf[64], *err; Window *w; Rune *r; Range a; Text *t; uint q0, tq0, tq1; qid = FILE(x->f->qid); w = x->f->w; if(w){ c = 'F'; if(qid==QWtag || qid==QWbody) c = 'E'; winlock(w, c); if(w->col == nil){ winunlock(w); respond(x, &fc, Edel); return; } } x->fcall.data[x->fcall.count] = 0; switch(qid){ case Qcons: w = errorwin(x->f->mntdir, 'X'); t=&w->body; goto BodyTag; case Qlabel: fc.count = x->fcall.count; respond(x, &fc, nil); break; case QWaddr: x->fcall.data[x->fcall.count] = 0; r = bytetorune(x->fcall.data, &nr); t = &w->body; wincommit(w, t); eval = TRUE; a = address(FALSE, t, w->limit, w->addr, r, 0, nr, rgetc, &eval, (uint*)&nb); free(r); if(nb < nr){ respond(x, &fc, Ebadaddr); break; } if(!eval){ respond(x, &fc, Eaddr); break; } w->addr = a; fc.count = x->fcall.count; respond(x, &fc, nil); break; case Qeditout: case QWeditout: r = bytetorune(x->fcall.data, &nr); if(w) err = edittext(w, w->wrselrange.q1, r, nr); else err = edittext(nil, 0, r, nr); free(r); if(err != nil){ respond(x, &fc, err); break; } fc.count = x->fcall.count; respond(x, &fc, nil); break; case QWerrors: w = errorwinforwin(w); t = &w->body; goto BodyTag; case QWbody: case QWwrsel: t = &w->body; goto BodyTag; case QWctl: xfidctlwrite(x, w); break; case QWdata: a = w->addr; t = &w->body; wincommit(w, t); if(a.q0>t->file->b.nc || a.q1>t->file->b.nc){ respond(x, &fc, Eaddr); break; } r = runemalloc(x->fcall.count); cvttorunes(x->fcall.data, x->fcall.count, r, &nb, &nr, nil); if(w->nomark == FALSE){ seq++; filemark(t->file); } q0 = a.q0; if(a.q1 > q0){ textdelete(t, q0, a.q1, TRUE); w->addr.q1 = q0; } tq0 = t->q0; tq1 = t->q1; textinsert(t, q0, r, nr, TRUE); if(tq0 >= q0) tq0 += nr; if(tq1 >= q0) tq1 += nr; textsetselect(t, tq0, tq1); if(!t->w->noscroll) textshow(t, q0, q0+nr, 0); textscrdraw(t); winsettag(w); free(r); w->addr.q0 += nr; w->addr.q1 = w->addr.q0; fc.count = x->fcall.count; respond(x, &fc, nil); break; case QWevent: xfideventwrite(x, w); break; case QWtag: t = &w->tag; goto BodyTag; BodyTag: q = x->f->nrpart; cnt = x->fcall.count; if(q > 0){ memmove(x->fcall.data+q, x->fcall.data, cnt); /* there's room; see fsysproc */ memmove(x->fcall.data, x->f->rpart, q); cnt += q; x->f->nrpart = 0; } r = runemalloc(cnt); cvttorunes(x->fcall.data, cnt-UTFmax, r, &nb, &nr, nil); /* approach end of buffer */ while(fullrune(x->fcall.data+nb, cnt-nb)){ c = nb; nb += chartorune(&r[nr], x->fcall.data+c); if(r[nr]) nr++; } if(nb < cnt){ memmove(x->f->rpart, x->fcall.data+nb, cnt-nb); x->f->nrpart = cnt-nb; } if(nr > 0){ wincommit(w, t); if(qid == QWwrsel){ q0 = w->wrselrange.q1; if(q0 > t->file->b.nc) q0 = t->file->b.nc; }else q0 = t->file->b.nc; if(qid == QWtag) textinsert(t, q0, r, nr, TRUE); else{ if(w->nomark == FALSE){ seq++; filemark(t->file); } q0 = textbsinsert(t, q0, r, nr, TRUE, &nr); textsetselect(t, t->q0, t->q1); /* insert could leave it somewhere else */ if(qid!=QWwrsel && !t->w->noscroll) textshow(t, q0+nr, q0+nr, 1); textscrdraw(t); } winsettag(w); if(qid == QWwrsel) w->wrselrange.q1 += nr; free(r); } fc.count = x->fcall.count; respond(x, &fc, nil); break; default: sprint(buf, "unknown qid %d in write", qid); respond(x, &fc, buf); break; } if(w) winunlock(w); }