From fdb871c4988c4426fd119f7b311540253d141ac2 Mon Sep 17 00:00:00 2001 From: "\"Vladimir N. Oleynik\"" Date: Wed, 25 Jan 2006 11:53:47 +0000 Subject: [PATCH] Add more bash-like dot-dirs cmdedit feature Close bug 648. Restore my whitespace --- shell/ash.c | 4 +- shell/cmdedit.c | 203 +++++++++++++++++++++++++----------------------- 2 files changed, 109 insertions(+), 98 deletions(-) diff --git a/shell/ash.c b/shell/ash.c index 69062e02d..671069771 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -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 */ diff --git a/shell/cmdedit.c b/shell/cmdedit.c index db246315c..f999b88e9 100644 --- a/shell/cmdedit.c +++ b/shell/cmdedit.c @@ -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 @@ -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); } @@ -801,17 +804,9 @@ 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) #define collapse_pos(is, in) { \ @@ -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; - - for(nc = 1; nc < ncols && n+nrows < nfiles; n += nrows, nc++) - printf("%*s", column_width, matches[n]); - printf("%s\n", matches[n]); + int acol; + + 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 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 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. */ -- 2.25.1