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|
/*
* tree.c
*
* Tree Mode Module
*/
#include "fd.h"
#include "func.h"
#include "kanji.h"
#ifndef _NOTREE
#if MSDOS && !defined (_NODOSDRIVE)
extern int preparedrv __P_((int));
#endif
extern char fullpath[];
extern int win_x;
extern int win_y;
#ifndef _NODOSDRIVE
extern int lastdrv;
#endif
extern int tradlayout;
extern int sizeinfo;
#define DIRFIELD 3
#define TREEFIELD (((dircountlimit > 0) \
? (n_column * 3) / 5 : n_column) - 2)
#define FILEFIELD ((dircountlimit > 0) ? (n_column * 2) / 5 - 3 : 0)
#define bufptr(y) (&(tr_scr[(y - LFILETOP - 1) * (TREEFIELD + 1)]))
static int NEAR evaldir __P_((char *, int));
static treelist *NEAR maketree __P_((char *, treelist *, treelist *,
int, int *));
static int NEAR _showtree __P_((treelist *, int, int, int));
static VOID NEAR showtree __P_((VOID_A));
static VOID NEAR treebar __P_((VOID_A));
static treelist *NEAR _searchtree __P_((treelist *, int, int));
static VOID NEAR searchtree __P_((VOID_A));
static int NEAR expandtree __P_((treelist *));
static int NEAR expandall __P_((treelist *));
static int NEAR treeup __P_((VOID_A));
static int NEAR treedown __P_((VOID_A));
static int NEAR freetree __P_((treelist *, int));
static VOID NEAR _tree_search __P_((VOID_A));
static int NEAR _tree_input __P_((VOID_A));
static char *NEAR _tree __P_((VOID_A));
int sorttree = 0;
int dircountlimit = 0;
static int redraw = 0;
static int tr_no = 0;
static int tr_line = 0;
static int tr_top = 0;
static int tr_bottom = 0;
static char *tr_scr = NULL;
static treelist *tr_root = NULL;
static treelist *tr_cur = NULL;
static int NEAR evaldir(dir, disp)
char *dir;
int disp;
{
DIR *dirp;
struct dirent *dp;
struct stat st;
char path[MAXPATHLEN];
int i, x, y, w, len, limit;
#if MSDOS
char *cp;
#endif
if ((limit = dircountlimit) <= 0) return(1);
if (disp) for (i = LFILETOP + 1; i < LFILEBOTTOM; i++) {
locate(TREEFIELD + 2, i);
putch2('|');
putterm(l_clear);
}
strcpy(path, dir);
#if MSDOS
cp = path;
if (_dospath(cp)) cp += 2;
if (strcmp(cp, _SS_)) strcatdelim(path);
#else
if (strcmp(path, _SS_)) strcatdelim(path);
#endif
len = strlen(path);
i = x = 0;
y = LFILETOP + 1;
w = FILEFIELD / 2;
if (!(dirp = Xopendir(dir))) return(0);
while ((dp = Xreaddir(dirp))) {
if (isdotdir(dp -> d_name)) continue;
strcpy(&(path[len]), dp -> d_name);
if (limit-- <= 0 || (stat2(path, &st) >= 0 && s_isdir(&st))) {
if (!disp) {
i++;
break;
}
}
else if (disp) {
locate(x + TREEFIELD + 4, y);
cprintf2("%-*.*k", w, w, dp -> d_name);
i++;
if (++y >= LFILEBOTTOM) {
y = LFILETOP + 1;
x += w + 1;
if (x >= w * 2 + 2) break;
}
}
}
if (disp && !i) {
locate(x + TREEFIELD + 4, LFILETOP + 1);
cprintf2("%-*.*s", w, w, "[No Files]");
}
Xclosedir(dirp);
return(i);
}
/*ARGSUSED*/
static treelist *NEAR maketree(path, list, parent, level, maxp)
char *path;
treelist *list, *parent;
int level, *maxp;
{
DIR *dirp;
struct dirent *dp;
struct stat st;
char *cp, *dir, *subdir, cwd[MAXPATHLEN];
#ifdef _USEDOSEMU
char tmp[MAXPATHLEN];
#endif
int i, len;
if ((level + 1) * DIRFIELD + 2 > TREEFIELD) {
*maxp = -2;
return(NULL);
}
if (intrkey()) {
*maxp = -1;
return(NULL);
}
if (!Xgetwd(cwd)) {
*maxp = 0;
return(NULL);
}
#if MSDOS
if (_dospath(path)) path += 2;
#endif
if (*path == _SC_) {
dir = strdup2(_SS_);
subdir = path + 1;
if (!*subdir) subdir = NULL;
}
#ifdef _USEDOSEMU
else if (_dospath(path)) {
dir = strndup2(path, 3);
subdir = path + 3;
if (!*subdir) subdir = NULL;
}
#endif
else {
len = (cp = strdelim(path, 0)) ? cp - path : strlen(path);
dir = strndup2(path, len);
subdir = (cp) ? cp + 1 : NULL;
}
if (!subdir) len = 0;
else len = (cp = strdelim(subdir, 0)) ? cp - subdir : strlen(subdir);
*maxp = 0;
i = _chdir2(dir);
free(dir);
if (i < 0 || !(dirp = Xopendir("."))) return(NULL);
i = 0;
while ((dp = Xreaddir(dirp))) {
if (isdotdir(dp -> d_name)
|| Xstat(nodospath(tmp, dp -> d_name), &st) < 0
|| !s_isdir(&st))
continue;
list = b_realloc(list, *maxp, treelist);
if (!subdir) {
list[*maxp].name = strdup2(dp -> d_name);
list[*maxp].sub = NULL;
list[*maxp].max = 0;
#ifndef NODIRLOOP
list[*maxp].dev = st.st_dev;
list[*maxp].ino = st.st_ino;
list[*maxp].parent = parent;
#endif
(*maxp)++;
}
else if (!strnpathcmp(dp -> d_name, subdir, len)
&& strlen(dp -> d_name) == len) {
list[0].name = strdup2(dp -> d_name);
list[0].sub = &(list[0]);
list[0].max = 0;
#ifndef NODIRLOOP
list[0].dev = st.st_dev;
list[0].ino = st.st_ino;
list[0].parent = parent;
#endif
if (++(*maxp) >= 2) break;
}
else {
if (!(*maxp)) {
list[0].name = NULL;
list[0].sub = NULL;
list[0].max = -1;
#ifndef NODIRLOOP
list[0].dev = 0;
list[0].ino = 0;
list[0].parent = NULL;
#endif
}
if (!i) {
i++;
list[1].name = NULL;
list[1].sub = NULL;
list[1].max = -1;
#ifndef NODIRLOOP
list[1].dev = 0;
list[1].ino = 0;
list[1].parent = NULL;
#endif
if (++(*maxp) >= 2) break;
}
}
}
Xclosedir(dirp);
if (list) for (i = 0; i < *maxp; i++) {
#ifndef NODIRLOOP
treelist *lp;
if (!(list[i].name)) lp = NULL;
else for (lp = parent; lp; lp = lp -> parent)
if (lp -> dev == list[i].dev
&& lp -> ino == list[i].ino)
break;
if (lp) {
list[i].sub = NULL;
list[i].max = 0;
}
else
#endif
if (list[i].sub)
list[i].sub = maketree(subdir, NULL, &(list[i]),
level + 1, &(list[i].max));
else {
if (list[i].max >= 0 && list[i].name
&& evaldir(nodospath(tmp, list[i].name), 0))
list[i].max = -1;
}
}
if (sorttree && sorton) qsort(list, *maxp, sizeof(treelist), cmptree);
#if MSDOS
if (_dospath(path)) path += 2;
#endif
#if MSDOS || defined (_NODOSDRIVE)
if (*path == _SC_)
#else
if (*path == _SC_ || _dospath(path))
#endif
{
if (_chdir2(fullpath) < 0) error(fullpath);
}
else if (strcmp(path, ".") && _chdir2(cwd) < 0) error("..");
return(list);
}
static int NEAR _showtree(list, max, nest, y)
treelist *list;
int max, nest, y;
{
char *cp;
int i, j, w, tmp;
w = TREEFIELD - (nest * DIRFIELD) - 1;
tmp = y;
for (i = 0; i < max; i++) {
if (nest > 0) {
for (j = tmp; j < y; j++)
if (j > LFILETOP && j < LFILEBOTTOM)
*(bufptr(j) + (nest - 1) * DIRFIELD) = '|';
}
if (y > LFILETOP && y < LFILEBOTTOM) {
cp = bufptr(y);
if (nest > 0)
memcpy(&(cp[(nest - 1) * DIRFIELD]), "+--", 3);
if (!(list[i].name)) {
tmp = (w > 3) ? 3 : w;
memcpy(&(cp[nest * DIRFIELD]), "...", tmp);
}
else {
tmp = strlen(list[i].name);
if (tmp > w) tmp = w;
memcpy(&(cp[nest * DIRFIELD]),
list[i].name, tmp);
if (list[i].max < 0)
cp[nest * DIRFIELD + tmp] = '>';
}
}
y++;
tmp = y;
if (w >= DIRFIELD && list[i].sub)
y = _showtree(list[i].sub, list[i].max, nest + 1, y);
}
return(y);
}
static VOID NEAR showtree(VOID_A)
{
int i;
for (i = LFILETOP; i <= LFILEBOTTOM; i++) {
locate(0, i);
putterm(l_clear);
}
for (i = LFILETOP + 1; i < LFILEBOTTOM; i++) {
memset(bufptr(i), ' ', TREEFIELD);
bufptr(i)[TREEFIELD] = '\0';
}
_showtree(tr_root -> sub, 1, 0, tr_top);
for (i = LFILETOP + 1; i < LFILEBOTTOM; i++) {
locate(1, i);
if (i == tr_line) putterm(t_standout);
cprintf2("%-*.*k", TREEFIELD, TREEFIELD, bufptr(i));
if (i == tr_line) putterm(end_standout);
}
evaldir(treepath, 1);
keyflush();
}
static VOID NEAR treebar(VOID_A)
{
locate(1, LFILETOP);
cprintf2("Tree=%-*.*k", n_column - 6, n_column - 6, treepath);
locate(0, L_MESLINE);
putterm(l_clear);
}
VOID rewritetree(VOID_A)
{
tr_scr = realloc2(tr_scr, (FILEPERROW - 1) * (TREEFIELD + 1));
searchtree();
showtree();
treebar();
tflush();
}
static treelist *NEAR _searchtree(list, max, nest)
treelist *list;
int max, nest;
{
treelist *lp, *tmplp;
int i, w, len;
lp = NULL;
w = TREEFIELD - (nest * DIRFIELD) - 1;
for (i = 0; i < max; i++) {
if (tr_bottom == tr_line) {
lp = tr_root;
tr_no = i;
if (list[i].name) strcpy(treepath, list[i].name);
else *treepath = '\0';
}
tr_bottom++;
if (w >= DIRFIELD && list[i].sub) {
tmplp = _searchtree(list[i].sub, list[i].max,
nest + 1);
if (tmplp) {
lp = (tmplp == tr_root) ? &(list[i]) : tmplp;
len = strlen(list[i].name);
#if MSDOS
if (!_dospath(list[i].name)
|| list[i].name[2] != _SC_)
len++;
memmove(&(treepath[len]), treepath,
strlen(treepath) + 1);
memcpy(treepath, list[i].name, len - 1);
#else /* !MSDOS */
# ifdef _NODOSDRIVE
if (*list[i].name != _SC_) len++;
# else
if (*list[i].name != _SC_
&& !_dospath(list[i].name))
len++;
# endif
memmove(&(treepath[len]), treepath,
strlen(treepath) + 1);
if (*list[i].name != _SC_)
memcpy(treepath, list[i].name,
len - 1);
#endif /* !MSDOS */
treepath[len - 1] = _SC_;
}
}
}
return(lp);
}
static VOID NEAR searchtree(VOID_A)
{
tr_bottom = tr_top;
tr_cur = _searchtree(tr_root -> sub, 1, 0);
}
static int NEAR expandtree(list)
treelist *list;
{
treelist *lp, *lptmp;
char *cp;
int i;
lp = NULL;
if (list -> sub) {
lp = (treelist *)malloc2(sizeof(treelist));
memcpy((char *)lp, (char *)&(list -> sub[0]),
sizeof(treelist));
for (i = 1; i < list -> max; i++)
if ((list -> sub[i]).name) {
free((list -> sub[i]).name);
(list -> sub[i]).name = NULL;
}
}
if (_chdir2(treepath) < 0) {
if (list -> sub) error(treepath);
list -> max = 0;
return(1);
}
for (cp = treepath, i = 0; (cp = strdelim(cp, 0)); cp++, i++);
lptmp = maketree(".", list -> sub, list, i, &(list -> max));
if (_chdir2(fullpath) < 0) lostcwd(fullpath);
if (list -> max < 0) {
i = (list -> max < -1) ? 1 : 0;
if (!(list -> sub)) list -> max = -1;
else {
list -> max = 2;
(list -> sub[1]).name = NULL;
free(lp);
}
return(i);
}
if (list -> sub) {
if (!(lp -> name)) i = list -> max;
else for (i = 0; i < list -> max; i++)
if (lptmp[i].name
&& !strpathcmp(lp -> name, lptmp[i].name))
break;
if (i < list -> max) {
free(lptmp[i].name);
for (; i > 0; i--) memcpy((char *)&(lptmp[i]),
(char *)&(lptmp[i - 1]),
sizeof(treelist));
memcpy((char *)&(lptmp[0]), (char *)lp,
sizeof(treelist));
}
free(lp);
}
list -> sub = lptmp;
return(1);
}
static int NEAR expandall(list)
treelist *list;
{
char *cp;
int i;
if (!list || list -> max >= 0) return(1);
if (!expandtree(list)) return(0);
if (!(list -> sub)) return(1);
cp = treepath + strlen(treepath);
if (cp > treepath + 1) {
strcatdelim(treepath);
cp++;
}
for (i = 0; i < list -> max; i++) {
strcpy(cp, (list -> sub[i]).name);
if (!expandall(&(list -> sub[i]))) return(0);
}
return(1);
}
static int NEAR treeup(VOID_A)
{
if (tr_line > LFILETOP + 1) tr_line--;
else if (tr_top <= LFILETOP) tr_top++;
else return(-1);
searchtree();
return(0);
}
static int NEAR treedown(VOID_A)
{
char *cp;
int oy, otop;
oy = tr_line;
otop = tr_top;
if (tr_line < tr_bottom - 1 && tr_line < LFILEBOTTOM - 2)
tr_line++;
else if (tr_bottom >= LFILEBOTTOM) tr_top--;
else return(-1);
searchtree();
if (!tr_cur || !(tr_cur -> sub)
|| (tr_cur -> sub[tr_no]).max >= 0
|| ((tr_cur -> sub[tr_no]).name))
return(0);
waitmes();
if ((cp = strrdelim(treepath, 0)) == strdelim(treepath, 0)) cp++;
*cp = '\0';
if (!expandtree(tr_cur)) {
tr_line = oy;
tr_top = otop;
searchtree();
return(-1);
}
searchtree();
redraw = 1;
return(0);
}
static int NEAR freetree(list, max)
treelist *list;
int max;
{
int i, n;
for (i = n = 0; i < max; i++) {
n++;
if (list[i].name) free(list[i].name);
if (list[i].sub) n += freetree(list[i].sub, list[i].max);
}
free(list);
return(n);
}
static VOID NEAR _tree_search(VOID_A)
{
int oy, otop;
oy = tr_line;
otop = tr_top;
while (strpathcmp(fullpath, treepath)) if (treeup() < 0) {
tr_top = otop;
tr_line = oy;
searchtree();
do {
if (treedown() < 0) break;
} while (strpathcmp(fullpath, treepath));
break;
}
}
static int NEAR _tree_input(VOID_A)
{
treelist *old;
char *cwd;
int ch, tmp, half;
keyflush();
Xgetkey(-1, 0);
ch = Xgetkey(1, 0);
Xgetkey(-1, 0);
old = tr_cur;
switch (ch) {
case K_UP:
treeup();
break;
case K_DOWN:
treedown();
break;
case K_PPAGE:
half = (FILEPERROW - 1) / 2;
tmp = LFILETOP + half + 1 - tr_line;
if (tr_top + half > LFILETOP + 1)
half = LFILETOP - tr_top + 1;
if (half > 0) tr_top += half;
for (;tmp > 0; tmp--) if (treedown() < 0) break;
tr_line += tmp;
searchtree();
break;
case K_NPAGE:
half = (FILEPERROW - 1) / 2;
tmp = half + (LFILETOP + half + 1) - tr_line;
while (tmp-- > 0) if (treedown() < 0) break;
tmp = tr_line - (LFILETOP + half + 1);
tr_line = LFILETOP + half + 1;
if (tr_bottom - tmp < LFILEBOTTOM - 1)
tmp = tr_bottom - LFILEBOTTOM + 1;
tr_top -= tmp;
searchtree();
break;
case K_BEG:
case K_HOME:
case '<':
tr_line = tr_top = LFILETOP + 1;
searchtree();
break;
case K_EOL:
case K_END:
case '>':
while (treedown() >= 0);
break;
case '?':
_tree_search();
break;
case '(':
tmp = tr_no - 1;
do {
if (treeup() < 0) break;
} while (tmp >= 0 && (tr_cur != old || tr_no != tmp));
break;
case ')':
tmp = tr_no + 1;
do {
if (treedown() < 0) break;
} while (tmp < old -> max
&& (tr_cur != old || tr_no != tmp));
break;
case '\t':
if (!tr_cur || !(tr_cur -> sub)
|| (tr_cur -> sub[tr_no]).max >= 0)
break;
waitmes();
expandall(&(tr_cur -> sub[tr_no]));
searchtree();
redraw = 1;
break;
case K_RIGHT:
if (!tr_cur || !(tr_cur -> sub)) break;
if ((tr_cur -> sub[tr_no]).max >= 0) {
if (!((tr_cur -> sub[tr_no]).sub)) break;
if (treedown() < 0) break;
}
waitmes();
expandtree(&(tr_cur -> sub[tr_no]));
searchtree();
redraw = 1;
break;
case K_LEFT:
if (tr_cur && (tr_cur -> sub)
&& (tr_cur -> sub[tr_no]).sub) {
tmp = freetree((tr_cur -> sub[tr_no]).sub,
(tr_cur -> sub[tr_no]).max);
tr_bottom -= tmp;
(tr_cur -> sub[tr_no]).max = -1;
(tr_cur -> sub[tr_no]).sub = NULL;
redraw = 1;
break;
}
/*FALLTHRU*/
case K_BS:
do {
if (treeup() < 0) break;
} while (&(tr_cur -> sub[tr_no]) != old);
break;
case 'l':
if (!(cwd = inputstr(LOGD_K, 0, -1, NULL, 1))
|| !*(cwd = evalpath(cwd, 0)))
break;
if (chdir2(cwd) >= 0) {
free(cwd);
break;
}
warning(-1, cwd);
ch = '\0';
free(cwd);
break;
case K_CTRL('L'):
rewritefile(1);
break;
case K_ESC:
break;
default:
if (!isupper2(ch)) break;
if (tr_line == tr_bottom - 1) {
tr_line = tr_top = LFILETOP + 1;
searchtree();
}
else do {
if (treedown() < 0) break;
tmp = toupper2(*((tr_cur -> sub[tr_no]).name));
} while (ch != tmp);
break;
}
return(ch);
}
static char *NEAR _tree(VOID_A)
{
#ifndef NODIRLOOP
struct stat st;
# ifndef _NODOSDRIVE
char tmp[MAXPATHLEN];
# endif
#endif
char *cp, *cwd, path[MAXPATHLEN];
int ch, oy, otop;
keyflush();
waitmes();
tr_root = (treelist *)malloc2(sizeof(treelist));
tr_root -> name = NULL;
tr_root -> max = 1;
tr_root -> sub = tr_cur = (treelist *)malloc2(sizeof(treelist));
#ifndef NODIRLOOP
tr_root -> ino = 0;
tr_root -> parent = NULL;
#endif
treepath = path;
#if MSDOS
tr_cur[0].name = malloc2(3 + 1);
strcpy(path, fullpath);
strncpy2(tr_cur[0].name, path, 3);
#else /* !MSDOS */
# ifdef _NODOSDRIVE
strcpy(path, fullpath);
tr_cur[0].name = strdup2(_SS_);
# else
if (dospath("", path)) tr_cur[0].name = strndup2(path, 3);
else {
strcpy(path, fullpath);
tr_cur[0].name = strdup2(_SS_);
}
# endif
#endif /* !MSDOS */
#ifndef NODIRLOOP
if (Xstat(nodospath(tmp, tr_cur[0].name), &st) < 0)
tr_cur[0].dev = tr_cur[0].ino = 0;
else {
tr_cur[0].dev = st.st_dev;
tr_cur[0].ino = st.st_ino;
}
tr_cur[0].parent = NULL;
#endif
tr_cur[0].sub = maketree(path, NULL, &(tr_cur[0]),
0, &(tr_cur[0].max));
tr_line = 0;
#if MSDOS
cwd = path + 2;
#else /* !MSDOS */
cwd = path;
# ifndef _NODOSDRIVE
if (_dospath(cwd)) cwd += 2;
# endif
#endif /* !MSDOS */
if (!strcmp(cwd, _SS_)) /*EMPTY*/;
else for (cp = cwd; (cp = strdelim(cp, 0)); cp++, tr_line++)
if ((tr_line + 1) * DIRFIELD + 2 > TREEFIELD
|| !(tr_cur = &(tr_cur -> sub[0])))
break;
tr_line += (tr_top = LFILETOP + 1);
if (tr_line >= LFILEBOTTOM - 2) {
tr_top += LFILEBOTTOM - 2 - tr_line;
tr_line = LFILEBOTTOM - 2;
}
tr_scr = malloc2((FILEPERROW - 1) * (TREEFIELD + 1));
searchtree();
showtree();
win_x = 0;
do {
treebar();
oy = tr_line;
otop = tr_top;
redraw = 0;
win_y = tr_line;
locate(win_x, win_y);
tflush();
if ((ch = _tree_input()) == 'l') {
free(tr_scr);
freetree(tr_root, 1);
return(fullpath);
}
if (redraw || tr_top != otop) showtree();
else if (oy != tr_line) {
locate(1, tr_line);
putterm(t_standout);
cprintf2("%-*.*k",
TREEFIELD, TREEFIELD, bufptr(tr_line));
putterm(end_standout);
locate(1, oy);
if (stable_standout) putterm(end_standout);
else cprintf2("%-*.*k",
TREEFIELD, TREEFIELD, bufptr(oy));
evaldir(path, 1);
}
} while (ch != K_ESC && ch != K_CR);
free(tr_scr);
freetree(tr_root, 1);
treepath = NULL;
if (ch == K_ESC) return(NULL);
return(strdup2(path));
}
/*ARGSUSED*/
char *tree(cleanup, ddp)
int cleanup, *ddp;
{
char *path, *dupfullpath;
if (FILEPERROW < WFILEMINTREE) {
warning(0, NOROW_K);
return(NULL);
}
dupfullpath = strdup2(fullpath);
do {
path = _tree();
} while (path == fullpath);
if (ddp) {
#ifndef _NODOSDRIVE
# if MSDOS
if (lastdrv < 0) *ddp = preparedrv(dospath(path, NULL));
else
# endif
*ddp = lastdrv;
lastdrv = -1;
#endif
}
if (chdir2(dupfullpath) < 0) lostcwd(NULL);
free(dupfullpath);
if (cleanup) rewritefile(1);
return(path);
}
#endif /* !_NOTREE */
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