-/* $OpenBSD: status.c,v 1.127 2015/04/25 18:33:59 nicm Exp $ */
+/* $OpenBSD: status.c,v 1.128 2015/05/06 23:56:46 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
const char *status_prompt_up_history(u_int *);
const char *status_prompt_down_history(u_int *);
void status_prompt_add_history(const char *);
-char *status_prompt_complete(const char *);
+
+const char **status_prompt_complete_list(u_int *, const char *);
+char *status_prompt_complete_prefix(const char **, u_int);
+char *status_prompt_complete(struct session *, const char *);
/* Status prompt history. */
-ARRAY_DECL(, char *) status_prompt_history = ARRAY_INITIALIZER;
+#define PROMPT_HISTORY 100
+char **status_prompt_hlist;
+u_int status_prompt_hsize;
/* Status output tree. */
RB_GENERATE(status_out_tree, status_out, entry, status_out_cmp);
word[last - first] = '\0';
/* And try to complete it. */
- if ((s = status_prompt_complete(word)) == NULL)
+ if ((s = status_prompt_complete(sess, word)) == NULL)
break;
/* Trim out word. */
const char *
status_prompt_up_history(u_int *idx)
{
- u_int size;
-
/*
- * History runs from 0 to size - 1.
- *
- * Index is from 0 to size. Zero is empty.
+ * History runs from 0 to size - 1. Index is from 0 to size. Zero is
+ * empty.
*/
- size = ARRAY_LENGTH(&status_prompt_history);
- if (size == 0 || *idx == size)
+ if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
return (NULL);
(*idx)++;
- return (ARRAY_ITEM(&status_prompt_history, size - *idx));
+ return (status_prompt_hlist[status_prompt_hsize - *idx]);
}
/* Get next line from the history. */
const char *
status_prompt_down_history(u_int *idx)
{
- u_int size;
-
- size = ARRAY_LENGTH(&status_prompt_history);
- if (size == 0 || *idx == 0)
+ if (status_prompt_hsize == 0 || *idx == 0)
return ("");
(*idx)--;
if (*idx == 0)
return ("");
- return (ARRAY_ITEM(&status_prompt_history, size - *idx));
+ return (status_prompt_hlist[status_prompt_hsize - *idx]);
}
/* Add line to the history. */
void
status_prompt_add_history(const char *line)
{
- u_int size;
+ size_t size;
- size = ARRAY_LENGTH(&status_prompt_history);
- if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
+ if (status_prompt_hsize > 0 &&
+ strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
return;
- if (size == PROMPT_HISTORY) {
- free(ARRAY_FIRST(&status_prompt_history));
- ARRAY_REMOVE(&status_prompt_history, 0);
+ if (status_prompt_hsize == PROMPT_HISTORY) {
+ free(status_prompt_hlist[0]);
+
+ size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
+ memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
+
+ status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
+ return;
}
- ARRAY_ADD(&status_prompt_history, xstrdup(line));
+ status_prompt_hlist = xreallocarray(status_prompt_hlist,
+ status_prompt_hsize + 1, sizeof *status_prompt_hlist);
+ status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
}
-/* Complete word. */
-char *
-status_prompt_complete(const char *s)
+/* Build completion list. */
+const char **
+status_prompt_complete_list(u_int *size, const char *s)
{
- const struct cmd_entry **cmdent;
- const struct options_table_entry *oe;
- ARRAY_DECL(, const char *) list;
- char *prefix, *s2;
- u_int i;
- size_t j;
-
- if (*s == '\0')
- return (NULL);
-
- /* First, build a list of all the possible matches. */
- ARRAY_INIT(&list);
+ const char **list = NULL, **layout;
+ const struct cmd_entry **cmdent;
+ const struct options_table_entry *oe;
+ const char *layouts[] = {
+ "even-horizontal", "even-vertical", "main-horizontal",
+ "main-vertical", "tiled", NULL
+ };
+
+ *size = 0;
for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
- if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
- ARRAY_ADD(&list, (*cmdent)->name);
+ if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
+ list = xreallocarray(list, (*size) + 1, sizeof *list);
+ list[(*size)++] = (*cmdent)->name;
+ }
}
for (oe = server_options_table; oe->name != NULL; oe++) {
- if (strncmp(oe->name, s, strlen(s)) == 0)
- ARRAY_ADD(&list, oe->name);
+ if (strncmp(oe->name, s, strlen(s)) == 0) {
+ list = xreallocarray(list, (*size) + 1, sizeof *list);
+ list[(*size)++] = oe->name;
+ }
}
for (oe = session_options_table; oe->name != NULL; oe++) {
- if (strncmp(oe->name, s, strlen(s)) == 0)
- ARRAY_ADD(&list, oe->name);
+ if (strncmp(oe->name, s, strlen(s)) == 0) {
+ list = xreallocarray(list, (*size) + 1, sizeof *list);
+ list[(*size)++] = oe->name;
+ }
}
for (oe = window_options_table; oe->name != NULL; oe++) {
- if (strncmp(oe->name, s, strlen(s)) == 0)
- ARRAY_ADD(&list, oe->name);
+ if (strncmp(oe->name, s, strlen(s)) == 0) {
+ list = xreallocarray(list, (*size) + 1, sizeof *list);
+ list[(*size)++] = oe->name;
+ }
}
+ for (layout = layouts; *layout != NULL; layout++) {
+ if (strncmp(*layout, s, strlen(s)) == 0) {
+ list = xreallocarray(list, (*size) + 1, sizeof *list);
+ list[(*size)++] = *layout;
+ }
+ }
+ return (list);
+}
- /* If none, bail now. */
- if (ARRAY_LENGTH(&list) == 0) {
- ARRAY_FREE(&list);
- return (NULL);
+/* Find longest prefix. */
+char *
+status_prompt_complete_prefix(const char **list, u_int size)
+{
+ char *out;
+ u_int i;
+ size_t j;
+
+ out = xstrdup(list[0]);
+ for (i = 1; i < size; i++) {
+ j = strlen(list[i]);
+ if (j > strlen(out))
+ j = strlen(out);
+ for (; j > 0; j--) {
+ if (out[j - 1] != list[i][j - 1])
+ out[j - 1] = '\0';
+ }
}
+ return (out);
+}
- /* If an exact match, return it, with a trailing space. */
- if (ARRAY_LENGTH(&list) == 1) {
- xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
- ARRAY_FREE(&list);
- return (s2);
+/* Complete word. */
+char *
+status_prompt_complete(struct session *sess, const char *s)
+{
+ const char **list = NULL, *colon;
+ u_int size = 0, i;
+ struct session *s_loop;
+ struct winlink *wl;
+ struct window *w;
+ char *copy, *out, *tmp;
+
+ if (*s == '\0')
+ return (NULL);
+ out = NULL;
+
+ if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
+ list = status_prompt_complete_list(&size, s);
+ if (size == 0)
+ out = NULL;
+ else if (size == 1)
+ xasprintf(&out, "%s ", list[0]);
+ else
+ out = status_prompt_complete_prefix(list, size);
+ free(list);
+ return (out);
}
+ copy = xstrdup(s);
- /* Now loop through the list and find the longest common prefix. */
- prefix = xstrdup(ARRAY_FIRST(&list));
- for (i = 1; i < ARRAY_LENGTH(&list); i++) {
- s = ARRAY_ITEM(&list, i);
+ colon = ":";
+ if (copy[strlen(copy) - 1] == ':')
+ copy[strlen(copy) - 1] = '\0';
+ else
+ colon = "";
+ s = copy + 2;
- j = strlen(s);
- if (j > strlen(prefix))
- j = strlen(prefix);
- for (; j > 0; j--) {
- if (prefix[j - 1] != s[j - 1])
- prefix[j - 1] = '\0';
+ RB_FOREACH(s_loop, sessions, &sessions) {
+ if (strncmp(s_loop->name, s, strlen(s)) == 0) {
+ list = xreallocarray(list, size + 2, sizeof *list);
+ list[size++] = s_loop->name;
}
}
+ if (size == 1) {
+ out = xstrdup(list[0]);
+ if (session_find(list[0]) != NULL)
+ colon = ":";
+ } else if (size != 0)
+ out = status_prompt_complete_prefix(list, size);
+ if (out != NULL) {
+ xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
+ out = tmp;
+ goto found;
+ }
+
+ colon = "";
+ if (*s == ':') {
+ RB_FOREACH(wl, winlinks, &sess->windows) {
+ xasprintf(&tmp, ":%s", wl->window->name);
+ if (strncmp(tmp, s, strlen(s)) == 0){
+ list = xreallocarray(list, size + 1,
+ sizeof *list);
+ list[size++] = tmp;
+ continue;
+ }
+ free(tmp);
+
+ xasprintf(&tmp, ":%d", wl->idx);
+ if (strncmp(tmp, s, strlen(s)) == 0) {
+ list = xreallocarray(list, size + 1,
+ sizeof *list);
+ list[size++] = tmp;
+ continue;
+ }
+ free(tmp);
+ }
+ } else {
+ RB_FOREACH(s_loop, sessions, &sessions) {
+ RB_FOREACH(wl, winlinks, &s_loop->windows) {
+ w = wl->window;
+
+ xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
+ if (strncmp(tmp, s, strlen(s)) == 0) {
+ list = xreallocarray(list, size + 1,
+ sizeof *list);
+ list[size++] = tmp;
+ continue;
+ }
+ free(tmp);
+
+ xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
+ if (strncmp(tmp, s, strlen(s)) == 0) {
+ list = xreallocarray(list, size + 1,
+ sizeof *list);
+ list[size++] = tmp;
+ continue;
+ }
+ free(tmp);
+ }
+ }
+ }
+ if (size == 1) {
+ out = xstrdup(list[0]);
+ colon = " ";
+ } else if (size != 0)
+ out = status_prompt_complete_prefix(list, size);
+ if (out != NULL) {
+ xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
+ out = tmp;
+ }
+
+ for (i = 0; i < size; i++)
+ free((void *)list[i]);
- ARRAY_FREE(&list);
- return (prefix);
+found:
+ free(copy);
+ free(list);
+ return (out);
}
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