add handle_command_parse_bool command helper

[openocd.git] / src / helper / command.c

diff --git a/src/helper/command.c b/src/helper/command.c
index 708a8024f291927f227cab17103aec495d9a9b0b..5f3fae5107d27d981511ebe0ace6720ad13d46f7 100644 (file)
--- a/src/helper/command.c
+++ b/src/helper/command.c
@@ -954,3 +954,53 @@ DEFINE_PARSE_LONG(_int, int, n < INT_MIN, INT_MAX)
 DEFINE_PARSE_LONG(_s32, int32_t, n < INT32_MIN, INT32_MAX)
 DEFINE_PARSE_LONG(_s16, int16_t, n < INT16_MIN, INT16_MAX)
 DEFINE_PARSE_LONG(_s8, int8_t, n < INT8_MIN, INT8_MAX)
+
+int command_parse_bool(const char *in, bool *out,
+               const char *on, const char *off)
+{
+       if (strcasecmp(in, on) == 0)
+               *out = true;
+       else if (strcasecmp(in, off) == 0)
+               *out = false;
+       else
+               return ERROR_COMMAND_SYNTAX_ERROR;
+       return  ERROR_OK;
+}
+
+int command_parse_bool_any(const char *in, bool *out)
+{
+       if (command_parse_bool(in, out, "on", "off") == ERROR_OK)
+               return ERROR_OK;
+       if (command_parse_bool(in, out, "enable", "disable") == ERROR_OK)
+               return ERROR_OK;
+       if (command_parse_bool(in, out, "true", "false") == ERROR_OK)
+               return ERROR_OK;
+       if (command_parse_bool(in, out, "yes", "no") == ERROR_OK)
+               return ERROR_OK;
+       if (command_parse_bool(in, out, "1", "0") == ERROR_OK)
+               return ERROR_OK;
+       return ERROR_INVALID_ARGUMENTS;
+}
+
+COMMAND_HELPER(handle_command_parse_bool, bool *out, const char *label)
+{
+       switch (CMD_ARGC) {
+       case 1: {
+               const char *in = CMD_ARGV[0];
+               if (command_parse_bool_any(in, out) != ERROR_OK)
+               {
+                       LOG_ERROR("%s: argument '%s' is not valid", CMD_NAME, in);
+                       return ERROR_INVALID_ARGUMENTS;
+               }
+               // fall through
+       }
+       case 0:
+               LOG_INFO("%s is %s", label, *out ? "enabled" : "disabled");
+               break;
+       default:
+               return ERROR_INVALID_ARGUMENTS;
+       }
+       return ERROR_OK;
+}
+
+