Commit 4694020d authored by Stefan Hajnoczi's avatar Stefan Hajnoczi Committed by Kevin Wolf

qemu-io: add command completion

Autocomplete qemu-io commands at the interactive prompt.

Note this only completes command names and not their options.
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent 0cf17e18
......@@ -42,5 +42,8 @@ bool qemuio_command(BlockDriverState *bs, const char *cmd);
void qemuio_add_command(const cmdinfo_t *ci);
int qemuio_command_usage(const cmdinfo_t *ci);
void qemuio_complete_command(const char *input,
void (*fn)(const char *cmd, void *opaque),
void *opaque);
#endif /* QEMU_IO_H */
......@@ -94,6 +94,21 @@ static const cmdinfo_t *find_command(const char *cmd)
return NULL;
}
/* Invoke fn() for commands with a matching prefix */
void qemuio_complete_command(const char *input,
void (*fn)(const char *cmd, void *opaque),
void *opaque)
{
cmdinfo_t *ct;
size_t input_len = strlen(input);
for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) {
if (strncmp(input, ct->name, input_len) == 0) {
fn(ct->name, opaque);
}
}
}
static char **breakline(char *input, int *count)
{
int c = 0;
......
......@@ -236,9 +236,15 @@ static void readline_func(void *opaque, const char *str, void *readline_opaque)
*line = g_strdup(str);
}
static void completion_match(const char *cmd, void *opaque)
{
readline_add_completion(readline_state, cmd);
}
static void readline_completion_func(void *opaque, const char *str)
{
/* No command or argument completion implemented yet */
readline_set_completion_index(readline_state, strlen(str));
qemuio_complete_command(str, completion_match, NULL);
}
static char *fetchline_readline(void)
......
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