+#include "adu.h"
+#include "string.h"
+#include "error.h"
+#include "cmdline.h"
+#include "select.cmdline.h"
+
+struct select_args_info select_conf;
+
+struct interactive_command {
+ const char *name;
+ int (*handler)(char *);
+};
+
+#define INTERACTIVE_COMMANDS \
+ INTERACTIVE_COMMAND(dump) \
+ INTERACTIVE_COMMAND(set) \
+ INTERACTIVE_COMMAND(def) \
+
+#define INTERACTIVE_COMMAND(name) \
+ static int icom_ ## name (char *line);
+
+INTERACTIVE_COMMANDS
+
+#undef INTERACTIVE_COMMAND
+
+#define INTERACTIVE_COMMAND(_name) \
+ { \
+ .name = #_name, \
+ .handler = icom_ ## _name \
+ },
+
+struct interactive_command icmds[] = {
+ INTERACTIVE_COMMANDS
+ {.name = NULL}
+};
+
+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)
+{
+ select_cmdline_parser_init(&select_conf);
+ return 1;
+}
+
+static int icom_set(char *line)
+{
+ struct select_cmdline_parser_params params = {
+ .override = 1,
+ .initialize = 0,
+ .check_required = 1,
+ .check_ambiguity = 0,
+ .print_errors = 1
+ };
+ return select_cmdline_parser_string_ext(line, &select_conf, "select",
+ ¶ms)?
+ -E_SYNTAX : 1;
+}
+
+static int icom_dump(__a_unused char *line)
+{
+ ERROR_LOG("dump: %s\n", select_conf.format_arg);
+ select_cmdline_parser_dump(stdout, &select_conf);
+ return 1;
+}
+
+static int exec_interactive_command(char *line)
+{
+ const char const *delim = "\t\n ";
+ int i;
+ char *cmd = adu_strdup(line + strspn(line, delim));
+ char *p = cmd + strcspn(cmd, delim);
+ int ret = -E_SYNTAX;
+
+ *p = '\0';
+ p++;
+ for (i = 0; icmds[i].name; i++) {
+ ERROR_LOG("name: %s, cmd: %s.\n", icmds[i].name, cmd);
+ if (strcmp(icmds[i].name, cmd))
+ continue;
+ ERROR_LOG("exec cmd: %s, args: %s\n", cmd, p);
+ ret = icmds[i].handler(p);
+ break;
+ }
+ free(cmd);
+ return ret;
+}
+
+int com_interactive(void)
+{
+ char line[255];
+ int ret = 1;
+
+ while (read_input_line(line, sizeof(line)) >= 0) {
+ size_t len = strlen(line);
+ if (!len)
+ continue;
+ if (line[len - 1] == '\n')
+ line[len - 1] = '\0';
+ ret = exec_interactive_command(line);
+ if (ret < 0)
+ printf("%s\n", adu_strerror(-ret));
+ }
+ return ret;
+}