#ifndef lint
static const char rcsid[] =
- "$Id: interactive.c,v 1.10 2000/05/28 17:50:27 stelian Exp $";
+ "$Id: interactive.c,v 1.11 2000/05/29 14:17:37 stelian Exp $";
#endif /* not lint */
#include <sys/param.h>
#include "restore.h"
#include "extern.h"
+#if HAVE_READLINE
+#include <readline/readline.h>
+#include <readline/history.h>
+
+static char *rl_gets (char *prompt);
+static void initialize_readline(void);
+static char **restore_completion (char *text, int start, int end);
+static char *command_generator(char *text, int state);
+static char *filename_generator(char *text, int state);
+#endif
+
#define round(a, b) (((a) + (b) - 1) / (b) * (b))
/*
char name[MAXPATHLEN];
char cmd[BUFSIZ];
+#if HAVE_READLINE
+ initialize_readline();
+#endif
arglist.freeglob = 0;
arglist.argcnt = 0;
arglist.glob.gl_flags = GLOB_ALTDIRFUNC;
/*
* Read a command line and trim off trailing white space.
*/
+#if HAVE_READLINE
+ snprintf(input, BUFSIZ, "%s\n", rl_gets(curdir));
+#else
do {
if (pflag)
fprintf(stderr, "%s:%s:%s > ",
(void) strcpy(cmd, "quit");
return;
}
+#endif
for (cp = &input[strlen(input) - 2]; *cp == ' ' || *cp == '\t'; cp--)
/* trim off trailing white space and newline */;
*++cp = '\0';
exit(1);
errno = save_errno;
}
+
+
+#if HAVE_READLINE
+
+/* A static variable for holding the line. */
+static char *line_read = NULL;
+
+static char completion_curdir[MAXPATHLEN];
+
+static char *commands[] = {
+ "add ", "cd ", "delete ", "extract ", "help ",
+ "? ", "ls ", "pwd ", "prompt ", "quit ", "xit ",
+ "verbose ", "setmodes ", "what ", "Debug ",
+ NULL };
+
+static char *files = NULL;
+
+static char *
+rl_gets (char *dir)
+{
+ char *prompt;
+ int sz;
+
+ snprintf(completion_curdir, MAXPATHLEN, "%s", dir);
+ completion_curdir[MAXPATHLEN - 1] = '\0';
+
+ if (pflag) {
+ sz = 6 + strlen(__progname) + strlen(spcl.c_filesys) + strlen((completion_curdir + 1 ? completion_curdir + 1 : "/"));
+ prompt = (char *)malloc(sz);
+ if (!prompt)
+ return NULL;
+ snprintf(prompt, sz, "%s:%s:%s > ",
+ __progname,
+ spcl.c_filesys,
+ (completion_curdir + 1 ? completion_curdir + 1 : "/"));
+ }
+ else {
+ sz = 4 + strlen(__progname);
+ prompt = (char *)malloc(sz);
+ if (!prompt)
+ return NULL;
+ snprintf(prompt, sz, "%s > ", __progname);
+ }
+ prompt[sz - 1] = '\0';
+
+ if (line_read) {
+ free (line_read);
+ line_read = (char *)NULL;
+ }
+
+ do {
+ line_read = readline (prompt);
+ } while (line_read && !*line_read);
+
+ free(prompt);
+
+ if (!line_read) {
+ printf("\n");
+ return strdup("quit");
+ }
+
+ add_history (line_read);
+
+ return (line_read);
+}
+
+static void
+initialize_readline(void)
+{
+ rl_attempted_completion_function = restore_completion;
+ rl_completion_entry_function = (Function *)NULL;
+ rl_completion_append_character = '\0';
+}
+
+static char **
+restore_completion (char *text, int start, int end)
+{
+ char **matches;
+
+ if (start == 0)
+ matches = completion_matches (text, command_generator);
+ else
+ matches = completion_matches (text, filename_generator);
+
+ return (matches);
+}
+
+static char *
+command_generator(char *text, int state)
+{
+ static int list_index, len;
+ char *name;
+
+ if (!state) {
+ list_index = 0;
+ len = strlen(text);
+ }
+
+ while ( (name = commands[list_index]) != NULL) {
+
+ list_index ++;
+
+ if (strncmp(name, text, len) == 0)
+ return strdup(name);
+ }
+
+ return NULL;
+}
+
+static char *
+filename_generator(char *text, int state)
+{
+ static int list_index;
+ char *name;
+ RST_DIR *dirp;
+ struct direct *dp;
+ static int entries;
+ char pname[MAXPATHLEN];
+ char fname[MAXPATHLEN];
+ char *slash;
+ char ppname[MAXPATHLEN];
+
+ if (!state) {
+ list_index = 0;
+
+ if (files != NULL) {
+ free(files);
+ entries = 0;
+ files = NULL;
+ }
+ if ((slash = strrchr(text, '/')) != NULL) {
+ int idx = slash - text;
+ if (idx > MAXPATHLEN - 2)
+ idx = MAXPATHLEN - 2;
+ strncpy(ppname, text, MAXPATHLEN);
+ ppname[MAXPATHLEN - 1] = '\0';
+ ppname[idx] = '\0';
+ if (text[0] == '/')
+ snprintf(pname, MAXPATHLEN, ".%s", ppname);
+ else
+ snprintf(pname, MAXPATHLEN, "%s/%s", completion_curdir, ppname);
+ strncpy(fname, ppname + idx + 1, MAXPATHLEN);
+ ppname[idx] = '/';
+ ppname[idx + 1] = '\0';
+ }
+ else {
+ strncpy(pname, completion_curdir, MAXPATHLEN);
+ strncpy(fname, text, MAXPATHLEN);
+ ppname[0] = '\0';
+ }
+ pname[MAXPATHLEN - 1] = '\0';
+ fname[MAXPATHLEN - 1] = '\0';
+ if ((dirp = rst_opendir(pname)) == NULL)
+ return NULL;
+ entries = 0;
+ while ((dp = rst_readdir(dirp)))
+ entries++;
+ rst_closedir(dirp);
+ files = (char *)malloc(entries * MAXPATHLEN);
+ if (files == NULL) {
+ fprintf(stderr, "Out of memory\n");
+ entries = 0;
+ return NULL;
+ }
+ if ((dirp = rst_opendir(pname)) == NULL)
+ panic("directory reopen failed\n");
+ entries = 0;
+ while ((dp = rst_readdir(dirp))) {
+ if (TSTINO(dp->d_ino, dumpmap) == 0)
+ continue;
+ if (strcmp(dp->d_name, ".") == 0 ||
+ strcmp(dp->d_name, "..") == 0)
+ continue;
+ if (strncmp(dp->d_name, fname, strlen(fname)) == 0) {
+ if (inodetype(dp->d_ino) == NODE)
+ snprintf(files + entries * MAXPATHLEN, MAXPATHLEN, "%s%s/", ppname, dp->d_name);
+ else
+ snprintf(files + entries * MAXPATHLEN, MAXPATHLEN, "%s%s ", ppname, dp->d_name);
+ *(files + (entries + 1) * MAXPATHLEN - 1) = '\0';
+ ++entries;
+ }
+ }
+ rst_closedir(dirp);
+ }
+
+ if (list_index >= entries)
+ return NULL;
+
+ name = strdup(files + list_index * MAXPATHLEN);
+ list_index ++;
+
+ return name;
+}
+#endif /* HAVE_READLINE */
git.wh0rd.org / dump.git / blobdiff