This function may be used as rl_attempted_completion_function
in applications using readline.
---
src/shared/shell/bt_shell.c | 60 +++++++++++++++++++++++++++++++++++++++++++++
src/shared/shell/bt_shell.h | 1 +
2 files changed, 61 insertions(+)
diff --git a/src/shared/shell/bt_shell.c b/src/shared/shell/bt_shell.c
index 1f3a57e02..f9e9ff6bd 100644
--- a/src/shared/shell/bt_shell.c
+++ b/src/shared/shell/bt_shell.c
@@ -26,6 +26,7 @@
#endif
#include <stdio.h>
+#include <readline/readline.h>
#include "src/shared/util.h"
#include "src/shared/queue.h"
#include "src/shared/shell/bt_shell.h"
@@ -90,3 +91,62 @@ void bt_shell_print_menu(void)
entry->arg ? : "", entry->desc ? : "");
}
}
+
+static char *cmd_generator(const char *text, int state)
+{
+ const struct bt_shell_menu_entry *entry;
+ static int index, len;
+ const char *cmd;
+
+ entry = bt_shell_data.current;
+
+ if (!state) {
+ index = 0;
+ len = strlen(text);
+ }
+
+ while ((cmd = entry[index].cmd)) {
+ index++;
+
+ if (!strncmp(cmd, text, len))
+ return strdup(cmd);
+ }
+
+ return NULL;
+}
+
+char **bt_shell_completion(const char *text, int start, int end)
+{
+ char **matches = NULL;
+
+ if (!bt_shell_data.current)
+ return NULL;
+
+ if (start > 0) {
+ const struct bt_shell_menu_entry *entry;
+ char *input_cmd;
+
+ input_cmd = strndup(rl_line_buffer, start - 1);
+ for (entry = bt_shell_data.current; entry->cmd; entry++) {
+ if (strcmp(entry->cmd, input_cmd))
+ continue;
+
+ if (!entry->gen)
+ continue;
+
+ rl_completion_display_matches_hook = entry->disp;
+ matches = rl_completion_matches(text, entry->gen);
+ break;
+ }
+
+ free(input_cmd);
+ } else {
+ rl_completion_display_matches_hook = NULL;
+ matches = rl_completion_matches(text, cmd_generator);
+ }
+
+ if (!matches)
+ rl_attempted_completion_over = 1;
+
+ return matches;
+}
diff --git a/src/shared/shell/bt_shell.h b/src/shared/shell/bt_shell.h
index 93d7ed771..c30a3dcbd 100644
--- a/src/shared/shell/bt_shell.h
+++ b/src/shared/shell/bt_shell.h
@@ -39,4 +39,5 @@ bool bt_shell_init(const struct bt_shell_menu_entry *menu);
void bt_shell_cleanup(void);
void bt_shell_process(const char *cmd, const char *arg);
+char **bt_shell_completion(const char *text, int start, int end);
void bt_shell_print_menu(void);
--
2.13.5
--
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