Fix readline prompt when command does not output

This commit is contained in:
Jethro Grassie 2017-07-24 09:54:27 -04:00
parent ab594cfee9
commit d75cff1a0e
No known key found for this signature in database
GPG Key ID: DE8ED755616565BB
1 changed files with 24 additions and 13 deletions

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@ -152,14 +152,12 @@ static int process_input()
static void handle_line(char* line)
{
if(last_line == "exit" || last_line == "q")
{
// This function never gets called now as we are trapping newlines.
// However, it still needs to be present for readline to know we are
// manually handling lines.
rl_done = 1;
return;
}
std::lock_guard<std::mutex> lock(sync_mutex);
rl_set_prompt(last_prompt.c_str());
rl_already_prompted = 1;
}
static int handle_enter(int x, int y)
{
@ -167,30 +165,42 @@ static int handle_enter(int x, int y)
char* line = NULL;
line = rl_copy_text(0, rl_end);
std::string test_line = line;
boost::trim_right(test_line);
rl_crlf();
rl_on_new_line();
if(test_line.empty())
{
last_line = "";
rl_set_prompt(last_prompt.c_str());
rl_replace_line("", 1);
rl_redisplay();
have_line.notify_one();
return 0;
}
rl_set_prompt("");
rl_replace_line("", 1);
rl_redisplay();
std::string test_line = line;
boost::trim_right(test_line);
if (test_line.length() > 0)
if (!test_line.empty())
{
last_line = test_line;
add_history(test_line.c_str());
have_line.notify_one();
history_set_pos(history_length);
}
free(line);
if(last_line != "exit" && last_line != "q")
{
rl_set_prompt(last_prompt.c_str());
rl_on_new_line_with_prompt();
rl_replace_line("", 1);
rl_redisplay();
}
rl_done = 1;
have_line.notify_one();
return 0;
}
@ -236,6 +246,7 @@ static void install_line_handler()
rl_startup_hook = startup_hook;
rl_attempted_completion_function = attempted_completion;
rl_callback_handler_install("", handle_line);
stifle_history(500);
}
static void remove_line_handler()