diff options
Diffstat (limited to 'src/cmd/acme/wind.c')
| -rw-r--r-- | src/cmd/acme/wind.c | 179 |
1 files changed, 7 insertions, 172 deletions
diff --git a/src/cmd/acme/wind.c b/src/cmd/acme/wind.c index 96e2fb70..90c44070 100644 --- a/src/cmd/acme/wind.c +++ b/src/cmd/acme/wind.c @@ -258,7 +258,6 @@ winsetname(Window *w, Rune *name, int n) int i; static Rune Lslashguide[] = { '/', 'g', 'u', 'i', 'd', 'e', 0 }; static Rune Lpluserrors[] = { '+', 'E', 'r', 'r', 'o', 'r', 's', 0 }; - t = &w->body; if(runeeq(t->file->name, t->file->nname, name, n) == TRUE) return; @@ -319,8 +318,8 @@ wincleartag(Window *w) void winsettag1(Window *w) { - int i, j, k, n, ntagname, bar, dirty; - Rune *new, *old, *tagname, *r; + int i, j, k, n, bar, dirty; + Rune *new, *old, *r; Image *b; uint q0, q1; Rectangle br; @@ -332,7 +331,6 @@ winsettag1(Window *w) static Rune Lput[] = { ' ', 'P', 'u', 't', 0 }; static Rune Llook[] = { ' ', 'L', 'o', 'o', 'k', ' ', 0 }; static Rune Lpipe[] = { ' ', '|', 0 }; - /* there are races that get us here with stuff in the tag cache, so we take extra care to sync it */ if(w->tag.ncache!=0 || w->tag.file->mod) wincommit(w, &w->tag); /* check file name; also guarantees we can modify tag contents */ @@ -342,27 +340,18 @@ winsettag1(Window *w) for(i=0; i<w->tag.file->b.nc; i++) if(old[i]==' ' || old[i]=='\t') break; - - /* make sure the file name is set correctly in the tag */ - ntagname = w->body.file->nname; - tagname = runemalloc(ntagname); - runemove(tagname, w->body.file->name, ntagname); - abbrevenv(&tagname, &ntagname); - - if(runeeq(old, i, tagname, ntagname) == FALSE){ + if(runeeq(old, i, w->body.file->name, w->body.file->nname) == FALSE){ textdelete(&w->tag, 0, i, TRUE); - textinsert(&w->tag, 0, tagname, ntagname, TRUE); + textinsert(&w->tag, 0, w->body.file->name, w->body.file->nname, TRUE); free(old); old = runemalloc(w->tag.file->b.nc+1); bufread(&w->tag.file->b, 0, old, w->tag.file->b.nc); old[w->tag.file->b.nc] = '\0'; } - - /* compute the text for the whole tag, replacing current only if it differs */ - new = runemalloc(ntagname+100); + new = runemalloc(w->body.file->nname+100); i = 0; - runemove(new+i, tagname, ntagname); - i += ntagname; + runemove(new+i, w->body.file->name, w->body.file->nname); + i += w->body.file->nname; runemove(new+i, Ldelsnarf, 10); i += 10; if(w->filemenu){ @@ -400,8 +389,6 @@ winsettag1(Window *w) if(runestrlen(new) != i) fprint(2, "s '%S' len not %d\n", new, i); assert(i==runestrlen(new)); - - /* replace tag if the new one is different */ if(runeeq(new, i, old, k) == FALSE){ n = k; if(n > i) @@ -424,7 +411,6 @@ winsettag1(Window *w) } } } - free(tagname); free(old); free(new); w->tag.file->mod = FALSE; @@ -477,7 +463,6 @@ wincommit(Window *w, Text *t) for(i=0; i<w->tag.file->b.nc; i++) if(r[i]==' ' || r[i]=='\t') break; - expandenv(&r, &i); if(runeeq(r, i, w->body.file->name, w->body.file->nname) == FALSE){ seq++; filemark(w->body.file); @@ -596,153 +581,3 @@ winevent(Window *w, char *fmt, ...) sendp(x->c, nil); } } - -int -expandenv(Rune **rp, uint *np) -{ - char *s, *t; - Rune *p, *r, *q; - uint n, pref; - int nb, nr, slash; - Runestr rs; - - r = *rp; - n = *np; - if(n == 0 || r[0] != '$') - return FALSE; - for(p=r+1; *p && *p != '/'; p++) - ; - pref = p-r; - s = runetobyte(r+1, pref-1); - if((t = getenv(s)) == nil){ - free(s); - return FALSE; - } - - q = runemalloc(utflen(t)+(n-pref)); - cvttorunes(t, strlen(t), q, &nb, &nr, nil); - assert(nr==utflen(t)); - runemove(q+nr, p, n-pref); - free(r); - rs = runestr(q, nr+(n-pref)); - slash = rs.nr>0 && q[rs.nr-1] == '/'; - rs = cleanrname(rs); - if(slash){ - rs.r = runerealloc(rs.r, rs.nr+1); - rs.r[rs.nr++] = '/'; - } - *rp = rs.r; - *np = rs.nr; - return TRUE; -} - -extern char **environ; -Rune **runeenv; - -/* - * Weird sort order -- shorter names first, - * prefer lowercase over uppercase ($home over $HOME), - * then do normal string comparison. - */ -int -runeenvcmp(const void *va, const void *vb) -{ - Rune *a, *b; - int na, nb; - - a = *(Rune**)va; - b = *(Rune**)vb; - na = runestrchr(a, '=') - a; - nb = runestrchr(b, '=') - b; - if(na < nb) - return -1; - if(nb > na) - return 1; - if(na == 0) - return 0; - if(islowerrune(a[0]) && !islowerrune(b[0])) - return -1; - if(islowerrune(b[0]) && !islowerrune(a[0])) - return 1; - return runestrncmp(a, b, na); -} - -void -mkruneenv(void) -{ - int i, bad, n, nr; - char *p; - Rune *r, *q; - - n = 0; - for(i=0; environ[i]; i++){ - /* - * Ignore some pollution. - */ - if(environ[i][0] == '_') - continue; - if(strncmp(environ[i], "PWD=", 4) == 0) - continue; - if(strncmp(environ[i], "OLDPWD=", 7) == 0) - continue; - - /* - * Must be a rooted path. - */ - if((p = strchr(environ[i], '=')) == nil || *(p+1) != '/') - continue; - - /* - * Only use the ones that we accept in look - all isfilec - */ - bad = 0; - r = bytetorune(environ[i], &nr); - for(q=r; *q != '='; q++) - if(!isfilec(*q)){ - free(r); - bad = 1; - break; - } - if(!bad){ - runeenv = erealloc(runeenv, (n+1)*sizeof(runeenv[0])); - runeenv[n++] = r; - } - } - runeenv = erealloc(runeenv, (n+1)*sizeof(runeenv[0])); - runeenv[n] = nil; - qsort(runeenv, n, sizeof(runeenv[0]), runeenvcmp); -} - -int -abbrevenv(Rune **rp, uint *np) -{ - int i, len, alen; - Rune *r, *p, *q; - uint n; - - r = *rp; - n = *np; - if(n == 0 || r[0] != '/') - return FALSE; - - if(runeenv == nil) - mkruneenv(); - - for(i=0; runeenv[i]; i++){ - p = runestrchr(runeenv[i], '=')+1; - len = runestrlen(p); - if(len <= n && (r[len]==0 || r[len]=='/') && runeeq(r, len, p, len)==TRUE){ - alen = (p-1) - runeenv[i]; - q = runemalloc(1+alen+n-len); - q[0] = '$'; - runemove(q+1, runeenv[i], alen); - runemove(q+1+alen, r+len, n-len); - free(r); - *rp = q; - *np = 1+alen+n-len; - return TRUE; - } - } - return FALSE; -} - |