Window* errorwin1(Rune *dir, int ndir, Rune **incl, int nincl) { Window *w; Rune *r; int i, n; r = runemalloc(ndir+8); if(n = ndir){ /* assign = */ runemove(r, dir, ndir); r[n++] = L'/'; } runemove(r+n, L"+Errors", 7); n += 7; w = lookfile(r, n); if(w == nil){ if(row.ncol == 0) if(rowadd(&row, nil, -1) == nil) error("can't create column to make error window"); w = coladd(row.col[row.ncol-1], nil, nil, -1); w->filemenu = FALSE; winsetname(w, r, n); } free(r); for(i=nincl; --i>=0; ){ n = runestrlen(incl[i]); r = runemalloc(n); runemove(r, incl[i], n); winaddincl(w, r, n); } w->autoindent = globalautoindent; return w; }
void textfill(Text *t) { Rune *rp; int i, n, m, nl; if(t->lastlinefull) return; rp = runemalloc(BUFSIZE*8); do{ n = t->rs.nr-(t->org+t->nchars); if(n == 0) break; if(n > 2000) /* educated guess at reasonable amount */ n = 2000; runemove(rp, t->rs.r+(t->org+t->nchars), n); /* * it's expensive to frinsert more than we need, so * count newlines. */ nl = t->maxlines-t->nlines; m = 0; for(i=0; i<n; ){ if(rp[i++] == '\n'){ m++; if(m >= nl) break; } } frinsert(t, rp, rp+i, t->nchars); }while(t->lastlinefull == FALSE); free(rp); }
void copyrunestr(Runestr *a, Runestr *b) { closerunestr(a); a->r = runemalloc(b->nr+1); runemove(a->r, b->r, b->nr); a->r[b->nr] = 0; a->nr = b->nr; }
void filesetname(File *f, Rune *name, int n) { if(f->seq > 0) fileunsetname(f, &f->delta); free(f->name); f->name = runemalloc(n); runemove(f->name, name, n); f->nname = n; f->unread = TRUE; }
Rune* bytetorune(char *s, int *ip) { Rune *r; int nb, nr; nb = strlen(s); r = runemalloc(nb+1); cvttorunes(s, nb, r, &nb, &nr, nil); r[nr] = '\0'; *ip = nr; return r; }
void bytetorunestr(char *s, Runestr *rs) { Rune *r; int nb, nr; nb = strlen(s); r = runemalloc(nb+1); cvttorunes(s, nb, r, &nb, &nr, nil); r[nr] = '\0'; rs->nr = nr; rs->r = r; }
uint textbsinsert(Text *t, uint q0, Rune *r, uint n, int tofile, int *nrp) { Rune *bp, *tp, *up; int i, initial; if(t->what == Tag){ /* can't happen but safety first: mustn't backspace over file name */ Err: textinsert(t, q0, r, n, tofile); *nrp = n; return q0; } bp = r; for(i=0; i<n; i++) if(*bp++ == '\b'){ --bp; initial = 0; tp = runemalloc(n); runemove(tp, r, i); up = tp+i; for(; i<n; i++){ *up = *bp++; if(*up == '\b') if(up == tp) initial++; else --up; else up++; } if(initial){ if(initial > q0) initial = q0; q0 -= initial; textdelete(t, q0, q0+initial, tofile); } n = up-tp; textinsert(t, q0, tp, n, tofile); free(tp); *nrp = n; return q0; } goto Err; }
void editcmd(Text *ct, Rune *r, uint n) { char *err; if(n == 0) return; if(2*n > RBUFSIZE){ warning(nil, "string too long\n"); return; } allwindows(alleditinit, nil); if(cmdstartp) free(cmdstartp); cmdstartp = runemalloc(n+2); runemove(cmdstartp, r, n); if(r[n] != '\n') cmdstartp[n++] = '\n'; cmdstartp[n] = '\0'; cmdendp = cmdstartp+n; cmdp = cmdstartp; if(ct->w == nil) curtext = nil; else curtext = &ct->w->body; resetxec(); if(editerrc == nil){ editerrc = chancreate(sizeof(char*), 0); lastpat = allocstring(0); } threadcreate(editthread, nil, STACK); err = recvp(editerrc); editing = Inactive; if(err != nil){ if(err[0] != '\0') warning(nil, "Edit: %s\n", err); free(err); } /* update everyone whose edit log has data */ allwindows(allupdate, nil); }
uint bufload(Buffer *b, uint q0, int fd, int *nulls) { char *p; Rune *r; int l, m, n, nb, nr; uint q1; if(q0 > b->nc) panic("internal error: bufload"); p = malloc((Maxblock+UTFmax+1)*sizeof p[0]); if(p == nil) panic("bufload: malloc failed"); r = runemalloc(Maxblock); m = 0; n = 1; q1 = q0; /* * At top of loop, may have m bytes left over from * last pass, possibly representing a partial rune. */ while(n > 0){ n = read(fd, p+m, Maxblock); if(n < 0){ error(Ebufload); break; } m += n; p[m] = 0; l = m; if(n > 0) l -= UTFmax; cvttorunes(p, l, r, &nb, &nr, nulls); memmove(p, p+nb, m-nb); m -= nb; bufinsert(b, q1, r, nr); q1 += nr; } free(p); free(r); return q1-q0; }
void acmegetsnarf(void) { char *s; int nb, nr, nulls, len; Rune *r; s = getsnarf(); if(s == nil || s[0]==0){ free(s); return; } len = strlen(s); r = runemalloc(len+1); cvttorunes(s, len, r, &nb, &nr, &nulls); bufreset(&snarfbuf); bufinsert(&snarfbuf, 0, r, nr); free(r); free(s); }
void getxselarg(Text* t) { char* av[] = { "xsel2arg", 0 }; int pfd[2], sfd[3], pid, n, nb, nr, nulls; char buf[1024]; Rune *r; textdelete(t, 0, t->file->b.nc, TRUE); if(pipe(pfd) < 0) { warning(nil, "getxselarg: can't create pipe"); return; } fcntl(pfd[0], F_SETFD, FD_CLOEXEC); fcntl(pfd[1], F_SETFD, FD_CLOEXEC); sfd[0] = open("/dev/null", OREAD); sfd[1] = pfd[0]; sfd[2] = dup(erroutfd, -1); pid = threadspawn(sfd, av[0], av); if(pid == -1) { warning(nil, "can't spawn thread %s: %r\n", av[0]); return; } while(0 < (n = read(pfd[1], buf, 1024))) { r = runemalloc(n+1); cvttorunes(buf, n, r, &nb, &nr, &nulls); textinsert(t, 0, r, nr, TRUE); free(r); } textsetselect(t, 0, t->file->b.nc); }
Runestr dirname(Text *t, Rune *r, int n) { Rune *b, c; uint m, nt; int slash; Runestr tmp; b = nil; if(t==nil || t->w==nil) goto Rescue; nt = t->w->tag.file->b.nc; if(nt == 0) goto Rescue; if(n>=1 && r[0]=='/') goto Rescue; b = runemalloc(nt+n+1); bufread(&t->w->tag.file->b, 0, b, nt); slash = -1; for(m=0; m<nt; m++){ c = b[m]; if(c == '/') slash = m; if(c==' ' || c=='\t') break; } if(slash < 0) goto Rescue; runemove(b+slash+1, r, n); free(r); return cleanrname(runestr(b, slash+1+n)); Rescue: free(b); tmp = runestr(r, n); if(r) return cleanrname(tmp); return tmp; }
void textsetorigin(Text *t, uint org, int exact) { int i, a, fixup; Rune *r; uint n; if(org>0 && !exact){ /* org is an estimate of the char posn; find a newline */ /* don't try harder than 256 chars */ for(i=0; i<256 && org<t->file->nc; i++){ if(textreadc(t, org) == '\n'){ org++; break; } org++; } } a = org-t->org; fixup = 0; if(a>=0 && a<t->nchars){ frdelete(t, 0, a); fixup = 1; /* frdelete can leave end of last line in wrong selection mode; it doesn't know what follows */ } else if(a<0 && -a<t->nchars){ n = t->org - org; r = runemalloc(n); bufread(t->file, org, r, n); frinsert(t, r, r+n, 0); free(r); }else frdelete(t, 0, t->nchars); t->org = org; textfill(t); textscrdraw(t); textsetselect(t, t->q0, t->q1); if(fixup && t->p1 > t->p0) frdrawsel(t, frptofchar(t, t->p1-1), t->p1-1, t->p1, 1); }
void plumbshow(Plumbmsg *m) { Window *w; Rune rb[256], *r; int nb, nr; Runestr rs; char *name, *p, namebuf[16]; drawtopwindow(); w = makenewwindow(nil); name = plumblookup(m->attr, "filename"); if(name == nil){ name = namebuf; nuntitled++; snprint(namebuf, sizeof namebuf, "Untitled-%d", nuntitled); } p = nil; if(name[0]!='/' && m->wdir!=nil && m->wdir[0]!='\0'){ nb = strlen(m->wdir) + 1 + strlen(name) + 1; p = emalloc(nb); snprint(p, nb, "%s/%s", m->wdir, name); name = p; } cvttorunes(name, strlen(name), rb, &nb, &nr, nil); free(p); rs = cleanrname(runestr(rb, nr)); winsetname(w, rs.r, rs.nr); r = runemalloc(m->ndata); cvttorunes(m->data, m->ndata, r, &nb, &nr, nil); textinsert(&w->body, 0, r, nr, TRUE); free(r); w->body.file->mod = FALSE; w->dirty = FALSE; winsettag(w); textscrdraw(&w->body); textsetselect(&w->tag, w->tag.file->b.nc, w->tag.file->b.nc); xfidlog(w, "new"); }
Runestr includefile(Rune *dir, Rune *file, int nfile) { int m, n; char *a; Rune *r; static Rune Lslash[] = { '/', 0 }; m = runestrlen(dir); a = emalloc((m+1+nfile)*UTFmax+1); sprint(a, "%S/%.*S", dir, nfile, file); n = access(a, 0); free(a); if(n < 0) return runestr(nil, 0); r = runemalloc(m+1+nfile); runemove(r, dir, m); runemove(r+m, Lslash, 1); runemove(r+m+1, file, nfile); free(file); return cleanrname(runestr(r, m+1+nfile)); }
void getsnarf(Runestr *rs) { int i, n, nb, nulls; char *sn, buf[BUFSIZE]; if(snarffd < 0) return; sn = nil; i = 0; seek(snarffd, 0, 0); while((n=read(snarffd, buf, sizeof(buf))) > 0){ sn = erealloc(sn, i+n+1); memmove(sn+i, buf, n); i += n; sn[i] = 0; } if(i > 0){ rs->r = runemalloc(i+1); cvttorunes(sn, i, rs->r, &nb, &rs->nr, &nulls); free(sn); } }
/* * Incoming window should be locked. * It will be unlocked and returned window * will be locked in its place. */ Window* errorwinforwin(Window *w) { int i, n, nincl, owner; Rune **incl; Runestr dir; Text *t; t = &w->body; dir = dirname(t, nil, 0); if(dir.nr==1 && dir.r[0]=='.'){ /* sigh */ free(dir.r); dir.r = nil; dir.nr = 0; } incl = nil; nincl = w->nincl; if(nincl > 0){ incl = emalloc(nincl*sizeof(Rune*)); for(i=0; i<nincl; i++){ n = runestrlen(w->incl[i]); incl[i] = runemalloc(n+1); runemove(incl[i], w->incl[i], n); } } owner = w->owner; winunlock(w); for(;;){ w = errorwin1(dir.r, dir.nr, incl, nincl); winlock(w, owner); if(w->col != nil) break; /* window deleted too fast */ winunlock(w); } return w; }
Rune* ucvt(Rune* s) { Rune* u; char *t; int i, c, n, j, len; t = smprint("%S", s); n = strlen(t); len = 0; for(i=0; i<n; i++) { c = t[i]; if(inclass(c, L"- /$_@.!*'(),a-zA-Z0-9")) len++; else len += 3; } u = runemalloc(len+1); j = 0; for(i=0; i<n; i++) { c = t[i]; if(inclass(c, L"-/$_@.!*'(),a-zA-Z0-9")) u[j++] = c; else if(c == ' ') u[j++] = '+'; else { u[j++] = '%'; u[j++] = hexdigit((c >> 4)&15); u[j++] = hexdigit(c&15); } } u[j] = 0; free(t); return u; }
void texttype(Text *t, Rune r) { uint q0, q1; int nnb, nb, n, i; int nr; Rune *rp; Text *u; if(t->what!=Body && r=='\n') return; nr = 1; rp = &r; switch(r){ case Kleft: if(t->q0 > 0){ typecommit(t); textshow(t, t->q0-1, t->q0-1, TRUE); } return; case Kright: if(t->q1 < t->file->nc){ typecommit(t); textshow(t, t->q1+1, t->q1+1, TRUE); } return; case Kdown: n = t->maxlines/3; goto case_Down; case Kscrollonedown: n = mousescrollsize(t->maxlines); if(n <= 0) n = 1; goto case_Down; case Kpgdown: n = 2*t->maxlines/3; case_Down: q0 = t->org+frcharofpt(t, Pt(t->r.min.x, t->r.min.y+n*t->font->height)); textsetorigin(t, q0, TRUE); return; case Kup: n = t->maxlines/3; goto case_Up; case Kscrolloneup: n = mousescrollsize(t->maxlines); goto case_Up; case Kpgup: n = 2*t->maxlines/3; case_Up: q0 = textbacknl(t, t->org, n); textsetorigin(t, q0, TRUE); return; case Khome: typecommit(t); textshow(t, 0, 0, FALSE); return; case Kend: typecommit(t); textshow(t, t->file->nc, t->file->nc, FALSE); return; case 0x01: /* ^A: beginning of line */ typecommit(t); /* go to where ^U would erase, if not already at BOL */ nnb = 0; if(t->q0>0 && textreadc(t, t->q0-1)!='\n') nnb = textbswidth(t, 0x15); textshow(t, t->q0-nnb, t->q0-nnb, TRUE); return; case 0x05: /* ^E: end of line */ typecommit(t); q0 = t->q0; while(q0<t->file->nc && textreadc(t, q0)!='\n') q0++; textshow(t, q0, q0, TRUE); return; } if(t->what == Body){ seq++; filemark(t->file); } if(t->q1 > t->q0){ if(t->ncache != 0) error("text.type"); cut(t, t, nil, TRUE, TRUE, nil, 0); t->eq0 = ~0; } textshow(t, t->q0, t->q0, 1); switch(r){ case 0x06: case Kins: rp = textcomplete(t); if(rp == nil) return; nr = runestrlen(rp); break; /* fall through to normal insertion case */ case 0x1B: if(t->eq0 != ~0) textsetselect(t, t->eq0, t->q0); if(t->ncache > 0) typecommit(t); return; case 0x08: /* ^H: erase character */ case 0x15: /* ^U: erase line */ case 0x17: /* ^W: erase word */ if(t->q0 == 0) /* nothing to erase */ return; nnb = textbswidth(t, r); q1 = t->q0; q0 = q1-nnb; /* if selection is at beginning of window, avoid deleting invisible text */ if(q0 < t->org){ q0 = t->org; nnb = q1-q0; } if(nnb <= 0) return; for(i=0; i<t->file->ntext; i++){ u = t->file->text[i]; u->nofill = TRUE; nb = nnb; n = u->ncache; if(n > 0){ if(q1 != u->cq0+n) error("text.type backspace"); if(n > nb) n = nb; u->ncache -= n; textdelete(u, q1-n, q1, FALSE); nb -= n; } if(u->eq0==q1 || u->eq0==~0) u->eq0 = q0; if(nb && u==t) textdelete(u, q0, q0+nb, TRUE); if(u != t) textsetselect(u, u->q0, u->q1); else textsetselect(t, q0, q0); u->nofill = FALSE; } for(i=0; i<t->file->ntext; i++) textfill(t->file->text[i]); return; case '\n': if(t->w->autoindent){ /* find beginning of previous line using backspace code */ nnb = textbswidth(t, 0x15); /* ^U case */ rp = runemalloc(nnb + 1); nr = 0; rp[nr++] = r; for(i=0; i<nnb; i++){ r = textreadc(t, t->q0-nnb+i); if(r != ' ' && r != '\t') break; rp[nr++] = r; } } break; /* fall through to normal code */ } /* otherwise ordinary character; just insert, typically in caches of all texts */ for(i=0; i<t->file->ntext; i++){ u = t->file->text[i]; if(u->eq0 == ~0) u->eq0 = t->q0; if(u->ncache == 0) u->cq0 = t->q0; else if(t->q0 != u->cq0+u->ncache) error("text.type cq1"); textinsert(u, t->q0, rp, nr, FALSE); if(u != t) textsetselect(u, u->q0, u->q1); if(u->ncache+nr > u->ncachealloc){ u->ncachealloc += 10 + nr; u->cache = runerealloc(u->cache, u->ncachealloc); } runemove(u->cache+u->ncache, rp, nr); u->ncache += nr; } if(rp != &r) free(rp); textsetselect(t, t->q0+nr, t->q0+nr); if(r=='\n' && t->w!=nil) wincommit(t->w, t); }
void fileundo(File *f, int isundo, uint *q0p, uint *q1p) { Undo u; Rune *buf; uint i, j, n, up; uint stop; Buffer *delta, *epsilon; if(isundo){ /* undo; reverse delta onto epsilon, seq decreases */ delta = &f->delta; epsilon = &f->epsilon; stop = f->seq; }else{ /* redo; reverse epsilon onto delta, seq increases */ delta = &f->epsilon; epsilon = &f->delta; stop = 0; /* don't know yet */ } buf = fbufalloc(); while(delta->nc > 0){ up = delta->nc-Undosize; bufread(delta, up, (Rune*)&u, Undosize); if(isundo){ if(u.seq < stop){ f->seq = u.seq; goto Return; } }else{ if(stop == 0) stop = u.seq; if(u.seq > stop) goto Return; } switch(u.type){ default: fprint(2, "undo: 0x%ux\n", u.type); abort(); break; case Delete: f->seq = u.seq; fileundelete(f, epsilon, u.p0, u.p0+u.n); f->mod = u.mod; bufdelete(&f->b, u.p0, u.p0+u.n); for(j=0; j<f->ntext; j++) textdelete(f->text[j], u.p0, u.p0+u.n, FALSE); *q0p = u.p0; *q1p = u.p0; break; case Insert: f->seq = u.seq; fileuninsert(f, epsilon, u.p0, u.n); f->mod = u.mod; up -= u.n; for(i=0; i<u.n; i+=n){ n = u.n - i; if(n > RBUFSIZE) n = RBUFSIZE; bufread(delta, up+i, buf, n); bufinsert(&f->b, u.p0+i, buf, n); for(j=0; j<f->ntext; j++) textinsert(f->text[j], u.p0+i, buf, n, FALSE); } *q0p = u.p0; *q1p = u.p0+u.n; break; case Filename: f->seq = u.seq; fileunsetname(f, epsilon); f->mod = u.mod; up -= u.n; free(f->name); if(u.n == 0) f->name = nil; else f->name = runemalloc(u.n); bufread(delta, up, f->name, u.n); f->nname = u.n; break; } bufdelete(delta, up, delta->nc); } if(isundo) f->seq = 0; Return: fbuffree(buf); }
Rune* textcomplete(Text *t) { int i, nstr, npath; uint q; Rune tmp[200]; Rune *str, *path; Rune *rp; Completion *c; char *s, *dirs; Runestr dir; /* control-f: filename completion; works back to white space or / */ if(t->q0<t->file->nc && textreadc(t, t->q0)>' ') /* must be at end of word */ return nil; nstr = textfilewidth(t, t->q0, TRUE); str = runemalloc(nstr); npath = textfilewidth(t, t->q0-nstr, FALSE); path = runemalloc(npath); c = nil; rp = nil; dirs = nil; q = t->q0-nstr; for(i=0; i<nstr; i++) str[i] = textreadc(t, q++); q = t->q0-nstr-npath; for(i=0; i<npath; i++) path[i] = textreadc(t, q++); /* is path rooted? if not, we need to make it relative to window path */ if(npath>0 && path[0]=='/') dir = (Runestr){path, npath}; else{ dir = dirname(t, nil, 0); if(dir.nr + 1 + npath > nelem(tmp)){ free(dir.r); goto Return; } if(dir.nr == 0){ dir.nr = 1; dir.r = runestrdup(L"."); } runemove(tmp, dir.r, dir.nr); tmp[dir.nr] = '/'; runemove(tmp+dir.nr+1, path, npath); free(dir.r); dir.r = tmp; dir.nr += 1+npath; dir = cleanrname(dir); } s = smprint("%.*S", nstr, str); dirs = smprint("%.*S", dir.nr, dir.r); c = complete(dirs, s); free(s); if(c == nil){ warning(nil, "error attempting completion: %r\n"); goto Return; } if(!c->advance){ warning(nil, "%.*S%s%.*S*%s\n", dir.nr, dir.r, dir.nr>0 && dir.r[dir.nr-1]!='/' ? "/" : "", nstr, str, c->nmatch? "" : ": no matches in:"); for(i=0; i<c->nfile; i++) warning(nil, " %s\n", c->filename[i]); } if(c->advance) rp = runesmprint("%s", c->string); else rp = nil; Return: freecompletion(c); free(dirs); free(str); free(path); return rp; }
void texttype(Text *t, Rune r) { uint q0, q1; int nnb, nb, n, i; int nr; Rune *rp; Text *u; if(t->what!=Body && t->what!=Tag && r=='\n') return; if(t->what == Tag) t->w->tagsafe = FALSE; nr = 1; rp = &r; switch(r){ case Kleft: typecommit(t); if(t->q0 > 0) textshow(t, t->q0-1, t->q0-1, TRUE); return; case Kright: typecommit(t); if(t->q1 < t->file->b.nc) textshow(t, t->q1+1, t->q1+1, TRUE); return; case Kdown: if(t->what == Tag) goto Tagdown; n = t->fr.maxlines/3; goto case_Down; case Kscrollonedown: if(t->what == Tag) goto Tagdown; n = mousescrollsize(t->fr.maxlines); if(n <= 0) n = 1; goto case_Down; case Kpgdown: n = 2*t->fr.maxlines/3; case_Down: q0 = t->org+frcharofpt(&t->fr, Pt(t->fr.r.min.x, t->fr.r.min.y+n*t->fr.font->height)); textsetorigin(t, q0, TRUE); return; case Kup: if(t->what == Tag) goto Tagup; n = t->fr.maxlines/3; goto case_Up; case Kscrolloneup: if(t->what == Tag) goto Tagup; n = mousescrollsize(t->fr.maxlines); goto case_Up; case Kpgup: n = 2*t->fr.maxlines/3; case_Up: q0 = textbacknl(t, t->org, n); textsetorigin(t, q0, TRUE); return; case Khome: typecommit(t); if(t->org > t->iq1) { q0 = textbacknl(t, t->iq1, 1); textsetorigin(t, q0, TRUE); } else textshow(t, 0, 0, FALSE); return; case Kend: typecommit(t); if(t->iq1 > t->org+t->fr.nchars) { if(t->iq1 > t->file->b.nc) { // should not happen, but does. and it will crash textbacknl. t->iq1 = t->file->b.nc; } q0 = textbacknl(t, t->iq1, 1); textsetorigin(t, q0, TRUE); } else textshow(t, t->file->b.nc, t->file->b.nc, FALSE); return; case 0x01: /* ^A: beginning of line */ typecommit(t); /* go to where ^U would erase, if not already at BOL */ nnb = 0; if(t->q0>0 && textreadc(t, t->q0-1)!='\n') nnb = textbswidth(t, 0x15); textshow(t, t->q0-nnb, t->q0-nnb, TRUE); return; case 0x05: /* ^E: end of line */ typecommit(t); q0 = t->q0; while(q0<t->file->b.nc && textreadc(t, q0)!='\n') q0++; textshow(t, q0, q0, TRUE); return; case Kcmd+'c': /* %C: copy */ typecommit(t); cut(t, t, nil, TRUE, FALSE, nil, 0); return; case Kcmd+'z': /* %Z: undo */ typecommit(t); undo(t, nil, nil, TRUE, 0, nil, 0); return; Tagdown: /* expand tag to show all text */ if(!t->w->tagexpand){ t->w->tagexpand = TRUE; winresize(t->w, t->w->r, FALSE, TRUE); } return; Tagup: /* shrink tag to single line */ if(t->w->tagexpand){ t->w->tagexpand = FALSE; t->w->taglines = 1; winresize(t->w, t->w->r, FALSE, TRUE); } return; } if(t->what == Body){ seq++; filemark(t->file); } /* cut/paste must be done after the seq++/filemark */ switch(r){ case Kcmd+'x': /* %X: cut */ typecommit(t); if(t->what == Body){ seq++; filemark(t->file); } cut(t, t, nil, TRUE, TRUE, nil, 0); textshow(t, t->q0, t->q0, 1); t->iq1 = t->q0; return; case Kcmd+'v': /* %V: paste */ typecommit(t); if(t->what == Body){ seq++; filemark(t->file); } paste(t, t, nil, TRUE, FALSE, nil, 0); textshow(t, t->q0, t->q1, 1); t->iq1 = t->q1; return; } if(t->q1 > t->q0){ if(t->ncache != 0) error("text.type"); cut(t, t, nil, TRUE, TRUE, nil, 0); t->eq0 = ~0; } textshow(t, t->q0, t->q0, 1); switch(r){ case 0x06: /* ^F: complete */ case Kins: typecommit(t); rp = textcomplete(t); if(rp == nil) return; nr = runestrlen(rp); break; /* fall through to normal insertion case */ case 0x1B: if(t->eq0 != ~0) { if(t->eq0 <= t->q0) textsetselect(t, t->eq0, t->q0); else textsetselect(t, t->q0, t->eq0); } if(t->ncache > 0) typecommit(t); t->iq1 = t->q0; return; case 0x08: /* ^H: erase character */ case 0x15: /* ^U: erase line */ case 0x17: /* ^W: erase word */ if(t->q0 == 0) /* nothing to erase */ return; nnb = textbswidth(t, r); q1 = t->q0; q0 = q1-nnb; /* if selection is at beginning of window, avoid deleting invisible text */ if(q0 < t->org){ q0 = t->org; nnb = q1-q0; } if(nnb <= 0) return; for(i=0; i<t->file->ntext; i++){ u = t->file->text[i]; u->nofill = TRUE; nb = nnb; n = u->ncache; if(n > 0){ if(q1 != u->cq0+n) error("text.type backspace"); if(n > nb) n = nb; u->ncache -= n; textdelete(u, q1-n, q1, FALSE); nb -= n; } if(u->eq0==q1 || u->eq0==~0) u->eq0 = q0; if(nb && u==t) textdelete(u, q0, q0+nb, TRUE); if(u != t) textsetselect(u, u->q0, u->q1); else textsetselect(t, q0, q0); u->nofill = FALSE; } for(i=0; i<t->file->ntext; i++) textfill(t->file->text[i]); t->iq1 = t->q0; return; case '\n': if(t->w->autoindent){ /* find beginning of previous line using backspace code */ nnb = textbswidth(t, 0x15); /* ^U case */ rp = runemalloc(nnb + 1); nr = 0; rp[nr++] = r; for(i=0; i<nnb; i++){ r = textreadc(t, t->q0-nnb+i); if(r != ' ' && r != '\t') break; rp[nr++] = r; } } break; /* fall through to normal code */ } /* otherwise ordinary character; just insert, typically in caches of all texts */ for(i=0; i<t->file->ntext; i++){ u = t->file->text[i]; if(u->eq0 == ~0) u->eq0 = t->q0; if(u->ncache == 0) u->cq0 = t->q0; else if(t->q0 != u->cq0+u->ncache) error("text.type cq1"); /* * Change the tag before we add to ncache, * so that if the window body is resized the * commit will not find anything in ncache. */ if(u->what==Body && u->ncache == 0){ u->needundo = TRUE; winsettag(t->w); u->needundo = FALSE; } textinsert(u, t->q0, rp, nr, FALSE); if(u != t) textsetselect(u, u->q0, u->q1); if(u->ncache+nr > u->ncachealloc){ u->ncachealloc += 10 + nr; u->cache = runerealloc(u->cache, u->ncachealloc); } runemove(u->cache+u->ncache, rp, nr); u->ncache += nr; } if(rp != &r) free(rp); textsetselect(t, t->q0+nr, t->q0+nr); if(r=='\n' && t->w!=nil) wincommit(t->w, t); t->iq1 = t->q0; }
uint textload(Text *t, uint q0, char *file, int setqid) { Rune *rp; Dirlist *dl, **dlp; int fd, i, j, n, ndl, nulls; uint q, q1; Dir *d, *dbuf; char *tmp; Text *u; if(t->ncache!=0 || t->file->nc || t->w==nil || t!=&t->w->body) error("text.load"); if(t->w->isdir && t->file->nname==0){ warning(nil, "empty directory name\n"); return 0; } fd = open(file, OREAD); if(fd < 0){ warning(nil, "can't open %s: %r\n", file); return 0; } d = dirfstat(fd); if(d == nil){ warning(nil, "can't fstat %s: %r\n", file); goto Rescue; } nulls = FALSE; if(d->qid.type & QTDIR){ /* this is checked in get() but it's possible the file changed underfoot */ if(t->file->ntext > 1){ warning(nil, "%s is a directory; can't read with multiple windows on it\n", file); goto Rescue; } t->w->isdir = TRUE; t->w->filemenu = FALSE; if(t->file->name[t->file->nname-1] != '/'){ rp = runemalloc(t->file->nname+1); runemove(rp, t->file->name, t->file->nname); rp[t->file->nname] = '/'; winsetname(t->w, rp, t->file->nname+1); free(rp); } dlp = nil; ndl = 0; dbuf = nil; while((n=dirread(fd, &dbuf)) > 0){ for(i=0; i<n; i++){ dl = emalloc(sizeof(Dirlist)); j = strlen(dbuf[i].name); tmp = emalloc(j+1+1); memmove(tmp, dbuf[i].name, j); if(dbuf[i].qid.type & QTDIR) tmp[j++] = '/'; tmp[j] = '\0'; dl->r = bytetorune(tmp, &dl->nr); dl->wid = stringwidth(t->font, tmp); free(tmp); ndl++; dlp = realloc(dlp, ndl*sizeof(Dirlist*)); dlp[ndl-1] = dl; } free(dbuf); } qsort(dlp, ndl, sizeof(Dirlist*), dircmp); t->w->dlp = dlp; t->w->ndl = ndl; textcolumnate(t, dlp, ndl); q1 = t->file->nc; }else{ t->w->isdir = FALSE; t->w->filemenu = TRUE; q1 = q0 + fileload(t->file, q0, fd, &nulls); } if(setqid){ t->file->dev = d->dev; t->file->mtime = d->mtime; t->file->qidpath = d->qid.path; } close(fd); rp = fbufalloc(); for(q=q0; q<q1; q+=n){ n = q1-q; if(n > RBUFSIZE) n = RBUFSIZE; bufread(t->file, q, rp, n); if(q < t->org) t->org += n; else if(q <= t->org+t->nchars) frinsert(t, rp, rp+n, q-t->org); if(t->lastlinefull) break; } fbuffree(rp); for(i=0; i<t->file->ntext; i++){ u = t->file->text[i]; if(u != t){ if(u->org > u->file->nc) /* will be 0 because of reset(), but safety first */ u->org = 0; textresize(u, u->all); textbacknl(u, u->org, 0); /* go to beginning of line */ } textsetselect(u, q0, q0); } if(nulls) warning(nil, "%s: NUL bytes elided\n", file); free(d); return q1-q0; Rescue: close(fd); return 0; }
int expandfile(Text *t, uint q0, uint q1, Expand *e) { int i, n, nname, colon, eval; uint amin, amax; Rune *r, c; Window *w; Runestr rs; amax = q1; if(q1 == q0){ colon = -1; while(q1<t->file->b.nc && isfilec(c=textreadc(t, q1))){ if(c == ':'){ colon = q1; break; } q1++; } while(q0>0 && (isfilec(c=textreadc(t, q0-1)) || isaddrc(c) || isregexc(c))){ q0--; if(colon<0 && c==':') colon = q0; } /* * if it looks like it might begin file: , consume address chars after : * otherwise terminate expansion at : */ if(colon >= 0){ q1 = colon; if(colon<t->file->b.nc-1 && isaddrc(textreadc(t, colon+1))){ q1 = colon+1; while(q1<t->file->b.nc && isaddrc(textreadc(t, q1))) q1++; } } if(q1 > q0) if(colon >= 0){ /* stop at white space */ for(amax=colon+1; amax<t->file->b.nc; amax++) if((c=textreadc(t, amax))==' ' || c=='\t' || c=='\n') break; }else amax = t->file->b.nc; } amin = amax; e->q0 = q0; e->q1 = q1; n = q1-q0; if(n == 0) return FALSE; /* see if it's a file name */ r = runemalloc(n); bufread(&t->file->b, q0, r, n); /* first, does it have bad chars? */ nname = -1; for(i=0; i<n; i++){ c = r[i]; if(c==':' && nname<0){ if(q0+i+1<t->file->b.nc && (i==n-1 || isaddrc(textreadc(t, q0+i+1)))) amin = q0+i; else goto Isntfile; nname = i; } } if(nname == -1) nname = n; for(i=0; i<nname; i++) if(!isfilec(r[i])) goto Isntfile; /* * See if it's a file name in <>, and turn that into an include * file name if so. Should probably do it for "" too, but that's not * restrictive enough syntax and checking for a #include earlier on the * line would be silly. */ if(q0>0 && textreadc(t, q0-1)=='<' && q1<t->file->b.nc && textreadc(t, q1)=='>'){ rs = includename(t, r, nname); r = rs.r; nname = rs.nr; } else if(amin == q0) goto Isfile; else{ rs = dirname(t, r, nname); r = rs.r; nname = rs.nr; } e->bname = runetobyte(r, nname); /* if it's already a window name, it's a file */ w = lookfile(r, nname); if(w != nil) goto Isfile; /* if it's the name of a file, it's a file */ if(ismtpt(e->bname) || access(e->bname, 0) < 0){ free(e->bname); e->bname = nil; goto Isntfile; } Isfile: e->name = r; e->nname = nname; e->u.at = t; e->a0 = amin+1; eval = FALSE; address(TRUE, nil, range(-1,-1), range(0,0), t, e->a0, amax, tgetc, &eval, (uint*)&e->a1); return TRUE; Isntfile: free(r); return FALSE; }
Window* openfile(Text *t, Expand *e) { Range r; Window *w, *ow; int eval, i, n; Rune *rp; Runestr rs; uint dummy; r.q0 = 0; r.q1 = 0; if(e->nname == 0){ w = t->w; if(w == nil) return nil; }else{ w = lookfile(e->name, e->nname); if(w == nil && e->name[0] != '/'){ /* * Unrooted path in new window. * This can happen if we type a pwd-relative path * in the topmost tag or the column tags. * Most of the time plumber takes care of these, * but plumber might not be running or might not * be configured to accept plumbed directories. * Make the name a full path, just like we would if * opening via the plumber. */ n = utflen(wdir)+1+e->nname+1; rp = runemalloc(n); runesnprint(rp, n, "%s/%.*S", wdir, e->nname, e->name); rs = cleanrname(runestr(rp, n-1)); free(e->name); e->name = rs.r; e->nname = rs.nr; w = lookfile(e->name, e->nname); } } if(w){ t = &w->body; if(!t->col->safe && t->fr.maxlines==0) /* window is obscured by full-column window */ colgrow(t->col, t->col->w[0], 1); }else{ ow = nil; if(t) ow = t->w; w = makenewwindow(t); t = &w->body; winsetname(w, e->name, e->nname); if(textload(t, 0, e->bname, 1) >= 0) t->file->unread = FALSE; t->file->mod = FALSE; t->w->dirty = FALSE; winsettag(t->w); textsetselect(&t->w->tag, t->w->tag.file->b.nc, t->w->tag.file->b.nc); if(ow != nil){ for(i=ow->nincl; --i>=0; ){ n = runestrlen(ow->incl[i]); rp = runemalloc(n); runemove(rp, ow->incl[i], n); winaddincl(w, rp, n); } w->autoindent = ow->autoindent; }else w->autoindent = globalautoindent; xfidlog(w, "new"); } if(e->a1 == e->a0) eval = FALSE; else{ eval = TRUE; r = address(TRUE, t, range(-1,-1), range(t->q0, t->q1), e->u.at, e->a0, e->a1, e->agetc, &eval, &dummy); if(r.q0 > r.q1) { eval = FALSE; warning(nil, "addresses out of order\n"); } if(eval == FALSE) e->jump = FALSE; /* don't jump if invalid address */ } if(eval == FALSE){ r.q0 = t->q0; r.q1 = t->q1; } textshow(t, r.q0, r.q1, 1); winsettag(t->w); seltext = t; if(e->jump) moveto(mousectl, addpt(frptofchar(&t->fr, t->fr.p0), Pt(4, font->height-4))); return w; }
void look3(Text *t, uint q0, uint q1, int external) { int n, c, f, expanded; Text *ct; Expand e; Rune *r; uint p; Plumbmsg *m; Runestr dir; char buf[32]; ct = seltext; if(ct == nil) seltext = t; expanded = expand(t, q0, q1, &e); if(!external && t->w!=nil && t->w->nopen[QWevent]>0){ /* send alphanumeric expansion to external client */ if(expanded == FALSE) return; f = 0; if((e.u.at!=nil && t->w!=nil) || (e.nname>0 && lookfile(e.name, e.nname)!=nil)) f = 1; /* acme can do it without loading a file */ if(q0!=e.q0 || q1!=e.q1) f |= 2; /* second (post-expand) message follows */ if(e.nname) f |= 4; /* it's a file name */ c = 'l'; if(t->what == Body) c = 'L'; n = q1-q0; if(n <= EVENTSIZE){ r = runemalloc(n); bufread(&t->file->b, q0, r, n); winevent(t->w, "%c%d %d %d %d %.*S\n", c, q0, q1, f, n, n, r); free(r); }else winevent(t->w, "%c%d %d %d 0 \n", c, q0, q1, f, n); if(q0==e.q0 && q1==e.q1) return; if(e.nname){ n = e.nname; if(e.a1 > e.a0) n += 1+(e.a1-e.a0); r = runemalloc(n); runemove(r, e.name, e.nname); if(e.a1 > e.a0){ r[e.nname] = ':'; bufread(&e.u.at->file->b, e.a0, r+e.nname+1, e.a1-e.a0); } }else{ n = e.q1 - e.q0; r = runemalloc(n); bufread(&t->file->b, e.q0, r, n); } f &= ~2; if(n <= EVENTSIZE) winevent(t->w, "%c%d %d %d %d %.*S\n", c, e.q0, e.q1, f, n, n, r); else winevent(t->w, "%c%d %d %d 0 \n", c, e.q0, e.q1, f, n); free(r); goto Return; } if(plumbsendfid != nil){ /* send whitespace-delimited word to plumber */ m = emalloc(sizeof(Plumbmsg)); m->src = estrdup("acme"); m->dst = nil; dir = dirname(t, nil, 0); if(dir.nr==1 && dir.r[0]=='.'){ /* sigh */ free(dir.r); dir.r = nil; dir.nr = 0; } if(dir.nr == 0) m->wdir = estrdup(wdir); else m->wdir = runetobyte(dir.r, dir.nr); free(dir.r); m->type = estrdup("text"); m->attr = nil; buf[0] = '\0'; if(q1 == q0){ if(t->q1>t->q0 && t->q0<=q0 && q0<=t->q1){ q0 = t->q0; q1 = t->q1; }else{ p = q0; while(q0>0 && (c=tgetc(t, q0-1))!=' ' && c!='\t' && c!='\n') q0--; while(q1<t->file->b.nc && (c=tgetc(t, q1))!=' ' && c!='\t' && c!='\n') q1++; if(q1 == q0){ plumbfree(m); goto Return; } sprint(buf, "click=%d", p-q0); m->attr = plumbunpackattr(buf); } } r = runemalloc(q1-q0); bufread(&t->file->b, q0, r, q1-q0); m->data = runetobyte(r, q1-q0); m->ndata = strlen(m->data); free(r); if(m->ndata<messagesize-1024 && plumbsendtofid(plumbsendfid, m) >= 0){ plumbfree(m); goto Return; } plumbfree(m); /* plumber failed to match; fall through */ } /* interpret alphanumeric string ourselves */ if(expanded == FALSE) return; if(e.name || e.u.at) openfile(t, &e); else{ if(t->w == nil) return; ct = &t->w->body; if(t->w != ct->w) winlock(ct->w, 'M'); if(t == ct) textsetselect(ct, e.q1, e.q1); n = e.q1 - e.q0; r = runemalloc(n); bufread(&t->file->b, e.q0, r, n); if(search(ct, r, n) && e.jump) moveto(mousectl, addpt(frptofchar(&ct->fr, ct->fr.p0), Pt(4, ct->fr.font->height-4))); if(t->w != ct->w) winunlock(ct->w); free(r); } Return: free(e.name); free(e.bname); }
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); }
static void fixtext1(Item **list) { Itext *text, *ntext; Item *it, *prev; Rune *s, *s1, *s2; int n; if(*list == nil) return; prev = nil; for(it=*list; it!=nil; it=prev->next) { if(it->tag!=Itexttag || forceitem(it)) goto Continue; text = (Itext *)it; s = text->s; while(*s && isspacerune(*s)) s++; if(!*s) { if(prev == nil) prev = *list = it->next; else prev->next = it->next; it->next = nil; freeitems(it); if(prev == nil) return; continue; } n = 0; while(s[n] && !isspacerune(s[n])) n++; if(!s[n]) goto Continue; s1 = runemalloc(n+1); s1 = runemove(s1, s, n); s1[n] = L'\0'; s += n; while(*s && isspacerune(*s)) s++; if(*s) { n = runestrlen(s); s2 = runemalloc(n+1); runemove(s2, s, n); s2[n] = L'\0'; ntext = emalloc(sizeof(Itext)); ntext->s = s2; ntext->ascent = text->ascent; ntext->anchorid = text->anchorid; ntext->state = text->state&~(IFbrk|IFbrksp|IFnobrk|IFcleft|IFcright); ntext->tag = text->tag; ntext->fnt = text->fnt; ntext->fg = text->fg; ntext->ul = text->ul; ntext->next = (Item *)text->next; text->next = (Item *)ntext; } free(text->s); text->s = s1; Continue: prev = it; } }