Merge commit 'fml/master'
[adu.git] / interactive.c
index 686a89f..494a4f8 100644 (file)
@@ -4,29 +4,34 @@
 #include "cmdline.h"
 #include "select.cmdline.h"
 
-struct select_args_info select_conf;
-
 struct interactive_command {
        const char *name;
        int (*handler)(char *);
+       const char *desc;
 };
 
+static struct uid_range *admissible_uids;
+
 #define INTERACTIVE_COMMANDS \
-       INTERACTIVE_COMMAND(dump) \
-       INTERACTIVE_COMMAND(set) \
-       INTERACTIVE_COMMAND(def) \
+       INTERACTIVE_COMMAND(dump, "dump the current configuration") \
+       INTERACTIVE_COMMAND(set, "change the current configuration") \
+       INTERACTIVE_COMMAND(reset, "reset configuration to defaults") \
+       INTERACTIVE_COMMAND(help, "show list of commands and one-line descriptions") \
+       INTERACTIVE_COMMAND(run, "start the query according to the current options")
 
-#define INTERACTIVE_COMMAND(name) \
+
+#define INTERACTIVE_COMMAND(name, desc) \
        static int icom_ ## name (char *line);
 
 INTERACTIVE_COMMANDS
 
 #undef INTERACTIVE_COMMAND
 
-#define INTERACTIVE_COMMAND(_name) \
+#define INTERACTIVE_COMMAND(_name, _desc) \
        { \
        .name = #_name, \
-       .handler = icom_ ## _name \
+       .handler = icom_ ## _name, \
+       .desc = _desc \
        },
 
 struct interactive_command icmds[] = {
@@ -34,12 +39,28 @@ struct interactive_command icmds[] = {
        {.name  = NULL}
 };
 
+#define FOR_EACH_COMMAND(c) for (c = icmds; c->name; c++)
+
 static int read_input_line(char *line, size_t size)
 {
        return fgets(line, size, stdin)? 1 : -1;
 }
 
-static int icom_def(__a_unused char *line)
+static int icom_run(__a_unused char *line)
+{
+       return run_select_query(admissible_uids);
+}
+
+static int icom_help(__a_unused char *line)
+{
+       struct interactive_command *c;
+
+       FOR_EACH_COMMAND(c)
+               fprintf(stdout, "%s\t%s\n", c->name, c->desc);
+       return 1;
+}
+
+static int icom_reset(__a_unused char *line)
 {
        select_cmdline_parser_init(&select_conf);
        return 1;
@@ -54,9 +75,10 @@ static int icom_set(char *line)
                .check_ambiguity = 0,
                .print_errors = 1
        };
-       return select_cmdline_parser_string_ext(line, &select_conf, "select",
-               &params)?
-               -E_SYNTAX : 1;
+       if (select_cmdline_parser_string_ext(line, &select_conf, "select",
+               &params))
+               return -E_SYNTAX;
+       return parse_uid_arg(select_conf.uid_arg, &admissible_uids);
 }
 
 static int icom_dump(__a_unused char *line)
@@ -93,6 +115,7 @@ int com_interactive(void)
        char line[255];
        int ret = 1;
 
+       select_cmdline_parser_init(&select_conf);
        while (read_input_line(line, sizeof(line)) >= 0) {
                size_t len = strlen(line);
                if (!len)