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-rw-r--r--src/helper/command.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/helper/command.h b/src/helper/command.h
index 05088b56..9f2d9712 100644
--- a/src/helper/command.h
+++ b/src/helper/command.h
@@ -263,6 +263,34 @@ DECLARE_PARSE_WRAPPER(_s8, int8_t);
} \
} while (0)
+/**
+ * Parse the string @c as a binary parameter, storing the boolean value
+ * in @c out. The strings @c on and @c off are used to match different
+ * strings for true and false options (e.g. "on" and "off" or
+ * "enable" and "disable").
+ */
+#define COMMAND_PARSE_BOOL(in, out, on, off) \
+ do { \
+ if (strcmp(in, on) == 0) \
+ out = true; \
+ else if (strcmp(in, off) == 0) \
+ out = false; \
+ else { \
+ command_print(CMD_CTX, stringify(out) \
+ " option value ('%s') is not valid", in); \
+ command_print(CMD_CTX, " choices are '%s' or '%s'", \
+ on, off); \
+ return ERROR_COMMAND_SYNTAX_ERROR; \
+ } \
+ } while (0)
+
+/// parses an on/off command argument
+#define COMMAND_PARSE_ON_OFF(in, out) \
+ COMMAND_PARSE_BOOL(in, out, "on", "off")
+/// parses an enable/disable command argument
+#define COMMAND_PARSE_ENABLE(in, out) \
+ COMMAND_PARSE_BOOL(in, out, "enable", "disable")
+
void script_debug(Jim_Interp *interp, const char *cmd,
unsigned argc, Jim_Obj *const *argv);