emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add more bash-like dot-dirs cmdedit feature

Browse Source 
Close bug 648.
Restore my whitespace
This commit is contained in:
"Vladimir N. Oleynik"
2006-01-25 11:53:47 +00:00
parent 7d501a8673
commit fdb871c498
2 changed files with 108 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
shell/ash.c
View File

@@ -841,7 +841,7 @@ static int SIT(int c, int syntax)
return S_I_T[indx][syntax];
}
#else /* USE_SIT_FUNCTION */
#else /* USE_SIT_FUNCTION */
#define SIT(c, syntax) S_I_T[(int)syntax_index_table[((int)c)+SYNBASE]][syntax]
@@ -1142,7 +1142,7 @@ static const char syntax_index_table[258] = {
/* 257 127 */ CWORD_CWORD_CWORD_CWORD,
};
#endif /* USE_SIT_FUNCTION */
#endif /* USE_SIT_FUNCTION */
/* alias.c */

201
shell/cmdedit.c
View File

@@ -67,7 +67,7 @@
#define CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
#define CONFIG_FEATURE_CLEAN_UP
#endif /* TEST */
#endif /* TEST */
#ifdef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
#include <dirent.h>
@@ -82,7 +82,7 @@
#ifdef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
#include "pwd_.h"
#endif /* advanced FEATURES */
#endif /* advanced FEATURES */
/* Maximum length of the linked list for the command line history */
@@ -177,7 +177,7 @@ static void win_changed(int nsig)
previous_SIGWINCH_handler = signal(SIGWINCH, win_changed);
else if (nsig == SIGWINCH) /* signaled called handler */
signal(SIGWINCH, win_changed); /* set for next call */
else /* nsig == 0 */
else /* nsig == 0 */
/* set previous handler */
signal(SIGWINCH, previous_SIGWINCH_handler); /* reset */
}
@@ -444,7 +444,7 @@ static void redraw(int y, int back_cursor)
#ifdef CONFIG_FEATURE_COMMAND_EDITING_VI
static char delbuf[BUFSIZ]; /* a place to store deleted characters */
static char *delp = delbuf;
static int newdelflag; /* whether delbuf should be reused yet */
static int newdelflag; /* whether delbuf should be reused yet */
#endif
/* Delete the char in front of the cursor, optionally saving it
@@ -563,6 +563,22 @@ static void cmdedit_init(void)
#ifdef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
static char **matches;
static int num_matches;
static char *add_char_to_match;
static void add_match(char *matched, int add_char)
{
int nm = num_matches;
int nm1 = nm + 1;
matches = xrealloc(matches, nm1 * sizeof(char *));
add_char_to_match = xrealloc(add_char_to_match, nm1);
matches[nm] = matched;
add_char_to_match[nm] = (char)add_char;
num_matches++;
}
static int is_execute(const struct stat *st)
{
if ((!my_euid && (st->st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) ||
@@ -574,19 +590,18 @@ static int is_execute(const struct stat *st)
#ifdef CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION
static char **username_tab_completion(char *ud, int *num_matches)
static void username_tab_completion(char *ud, char *with_shash_flg)
{
struct passwd *entry;
int userlen;
char *temp;
ud++; /* ~user/... to user/... */
userlen = strlen(ud);
if (num_matches == 0) { /* "~/..." or "~user/..." */
if (with_shash_flg) { /* "~/..." or "~user/..." */
char *sav_ud = ud - 1;
char *home = 0;
char *temp;
if (*ud == '/') { /* "~/..." */
home = home_pwd_buf;
@@ -609,28 +624,18 @@ static char **username_tab_completion(char *ud, int *num_matches)
strcpy(sav_ud, temp2);
}
}
return 0; /* void, result save to argument :-) */
} else {
/* "~[^/]*" */
char **matches = (char **) NULL;
int nm = 0;
setpwent();
while ((entry = getpwent()) != NULL) {
/* Null usernames should result in all users as possible completions. */
if ( /*!userlen || */ !strncmp(ud, entry->pw_name, userlen)) {
temp = bb_xasprintf("~%s/", entry->pw_name);
matches = xrealloc(matches, (nm + 1) * sizeof(char *));
matches[nm++] = temp;
add_match(bb_xasprintf("~%s", entry->pw_name), '/');
}
}
endpwent();
(*num_matches) = nm;
return (matches);
}
}
#endif /* CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION */
@@ -693,7 +698,7 @@ static int path_parse(char ***p, int flags)
return npth;
}
static char *add_quote_for_spec_chars(char *found)
static char *add_quote_for_spec_chars(char *found, int add)
{
int l = 0;
char *s = xmalloc((strlen(found) + 1) * 2);
@@ -703,19 +708,17 @@ static char *add_quote_for_spec_chars(char *found)
s[l++] = '\\';
s[l++] = *found++;
}
if(add)
s[l++] = (char)add;
s[l] = 0;
return s;
}
static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
int type)
static void exe_n_cwd_tab_completion(char *command, int type)
{
char **matches = 0;
DIR *dir;
struct dirent *next;
char dirbuf[BUFSIZ];
int nm = *num_matches;
struct stat st;
char *path1[1];
char **paths = path1;
@@ -738,7 +741,7 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
dirbuf[(pfind - command) + 1] = 0;
#ifdef CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION
if (dirbuf[0] == '~') /* ~/... or ~user/... */
username_tab_completion(dirbuf, 0);
username_tab_completion(dirbuf, dirbuf);
#endif
/* "strip" dirname in command */
pfind++;
@@ -755,6 +758,7 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
while ((next = readdir(dir)) != NULL) {
char *str_found = next->d_name;
int add_chr = 0;
/* matched ? */
if (strncmp(str_found, pfind, strlen(pfind)))
@@ -775,23 +779,22 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
strcpy(found, next->d_name); /* only name */
if (S_ISDIR(st.st_mode)) {
/* name is directory */
str_found = found;
found = concat_path_file(found, "");
free(str_found);
str_found = add_quote_for_spec_chars(found);
char *e = found + strlen(found) - 1;
add_chr = '/';
if(*e == '/')
*e = '\0';
} else {
/* not put found file if search only dirs for cd */
if (type == FIND_DIR_ONLY)
goto cont;
str_found = add_quote_for_spec_chars(found);
if (type == FIND_FILE_ONLY ||
(type == FIND_EXE_ONLY && is_execute(&st)))
strcat(str_found, " ");
add_chr = ' ';
}
/* Add it to the list */
matches = xrealloc(matches, (nm + 1) * sizeof(char *));
matches[nm++] = str_found;
add_match(found, add_chr);
continue;
cont:
free(found);
}
@@ -801,16 +804,8 @@ cont:
free(paths[0]); /* allocated memory only in first member */
free(paths);
}
*num_matches = nm;
return (matches);
}
static int match_compare(const void *a, const void *b)
{
return strcmp(*(char **) a, *(char **) b);
}
#define QUOT (UCHAR_MAX+1)
@@ -907,7 +902,7 @@ static int find_match(char *matchBuf, int *len_with_quotes)
}
/* collapse (command...(command...)...) or {command...{command...}...} */
c = 0; /* "recursive" level */
c = 0; /* "recursive" level */
c2 = 0;
for (i = 0; int_buf[i]; i++)
if (int_buf[i] == '(' || int_buf[i] == '{') {
@@ -984,16 +979,20 @@ static int find_match(char *matchBuf, int *len_with_quotes)
display by column original ideas from ls applet,
very optimize by my :)
*/
static void showfiles(char **matches, int nfiles)
static void showfiles(void)
{
int ncols, row;
int column_width = 0;
int nfiles = num_matches;
int nrows = nfiles;
char str_add_chr[2];
int l;
/* find the longest file name- use that as the column width */
for (row = 0; row < nrows; row++) {
int l = strlen(matches[row]);
l = strlen(matches[row]);
if(add_char_to_match[row])
l++;
if (column_width < l)
column_width = l;
}
@@ -1004,17 +1003,27 @@ static void showfiles(char **matches, int nfiles)
nrows /= ncols;
if(nfiles % ncols)
nrows++; /* round up fractionals */
column_width = -column_width; /* for printf("%-Ns", ...); */
} else {
ncols = 1;
}
str_add_chr[1] = 0;
for (row = 0; row < nrows; row++) {
int n = row;
int nc;
int acol;
for(nc = 1; nc < ncols && n+nrows < nfiles; n += nrows, nc++)
printf("%*s", column_width, matches[n]);
printf("%s\n", matches[n]);
for(nc = 1; nc < ncols && n+nrows < nfiles; n += nrows, nc++) {
str_add_chr[0] = add_char_to_match[n];
acol = str_add_chr[0] ? column_width - 1 : column_width;
printf("%s%s", matches[n], str_add_chr);
l = strlen(matches[n]);
while(l < acol) {
putchar(' ');
l++;
}
}
str_add_chr[0] = add_char_to_match[n];
printf("%s%s\n", matches[n], str_add_chr);
}
}
@@ -1022,21 +1031,20 @@ static void showfiles(char **matches, int nfiles)
static void input_tab(int *lastWasTab)
{
/* Do TAB completion */
static int num_matches;
static char **matches;
if (lastWasTab == 0) { /* free all memory */
if (matches) {
while (num_matches > 0)
free(matches[--num_matches]);
free(matches);
matches = (char **) NULL;
free(add_char_to_match);
add_char_to_match = NULL;
}
return;
}
if (! *lastWasTab) {
char *tmp;
char *tmp, *tmp1;
int len_found;
char matchBuf[BUFSIZ];
int find_type;
@@ -1059,64 +1067,68 @@ static void input_tab(int *lastWasTab)
* then try completing this word as a username. */
if (matchBuf[0] == '~' && strchr(matchBuf, '/') == 0)
matches = username_tab_completion(matchBuf, &num_matches);
username_tab_completion(matchBuf, NULL);
if (!matches)
#endif
/* Try to match any executable in our path and everything
* in the current working directory that matches. */
if (!matches)
matches =
exe_n_cwd_tab_completion(matchBuf,
&num_matches, find_type);
/* Remove duplicate found */
exe_n_cwd_tab_completion(matchBuf, find_type);
/* Remove duplicate found and sort */
if(matches) {
int i, j;
int i, j, n, srt;
/* bubble */
for(i=0; i<(num_matches-1); i++)
for(j=i+1; j<num_matches; j++)
if(matches[i]!=0 && matches[j]!=0 &&
strcmp(matches[i], matches[j])==0) {
free(matches[j]);
matches[j]=0;
}
j=num_matches;
num_matches = 0;
for(i=0; i<j; i++)
if(matches[i]) {
if(!strcmp(matches[i], "./"))
matches[i][1]=0;
else if(!strcmp(matches[i], "../"))
matches[i][2]=0;
matches[num_matches++]=matches[i];
n = num_matches;
for(i=0; i<(n-1); i++)
for(j=i+1; j<n; j++)
if(matches[i]!=NULL && matches[j]!=NULL) {
srt = strcmp(matches[i], matches[j]);
if(srt == 0) {
free(matches[j]);
matches[j]=0;
} else if(srt > 0) {
tmp1 = matches[i];
matches[i] = matches[j];
matches[j] = tmp1;
srt = add_char_to_match[i];
add_char_to_match[i] = add_char_to_match[j];
add_char_to_match[j] = srt;
}
}
j = n;
n = 0;
for(i=0; i<j; i++)
if(matches[i]) {
matches[n]=matches[i];
add_char_to_match[n]=add_char_to_match[i];
n++;
}
num_matches = n;
}
/* Did we find exactly one match? */
if (!matches || num_matches > 1) {
char *tmp1;
beep();
if (!matches)
return; /* not found */
/* sort */
qsort(matches, num_matches, sizeof(char *), match_compare);
/* find minimal match */
tmp = bb_xstrdup(matches[0]);
for (tmp1 = tmp; *tmp1; tmp1++)
tmp1 = bb_xstrdup(matches[0]);
for (tmp = tmp1; *tmp; tmp++)
for (len_found = 1; len_found < num_matches; len_found++)
if (matches[len_found][(tmp1 - tmp)] != *tmp1) {
*tmp1 = 0;
if (matches[len_found][(tmp - tmp1)] != *tmp) {
*tmp = 0;
break;
}
if (*tmp == 0) { /* have unique */
free(tmp);
if (*tmp1 == 0) { /* have unique */
free(tmp1);
return;
}
tmp = add_quote_for_spec_chars(tmp1, 0);
free(tmp1);
} else { /* one match */
tmp = matches[0];
tmp = add_quote_for_spec_chars(matches[0], add_char_to_match[0]);
/* for next completion current found */
*lastWasTab = FALSE;
}
len_found = strlen(tmp);
/* have space to placed match? */
if ((len_found - strlen(matchBuf) + len) < BUFSIZ) {
@@ -1138,8 +1150,7 @@ static void input_tab(int *lastWasTab)
/* write out the matched command */
redraw(cmdedit_y, len - recalc_pos);
}
if (tmp != matches[0])
free(tmp);
free(tmp);
} else {
/* Ok -- the last char was a TAB. Since they
* just hit TAB again, print a list of all the
@@ -1149,7 +1160,7 @@ static void input_tab(int *lastWasTab)
/* Go to the next line */
goto_new_line();
showfiles(matches, num_matches);
showfiles();
redraw(0, len - sav_cursor);
}
}
@@ -1368,8 +1379,8 @@ vi_back_motion(char *command)
* hopes of letting the jump tables get smaller:
* #define vcase(caselabel) caselabel
* and then
* case CNTRL('A'):
* case vcase(VICMD('0'):)
* case CNTRL('A'):
* case vcase(VICMD('0'):)
* but it didn't seem to make any difference in code size,
* and the macro-ized code was too ugly.
*/