1 files changed, 95 insertions, 0 deletions
diff --git a/src/pki/command.h b/src/pki/command.h
new file mode 100644
index 000000000..fad598c0b
--- /dev/null
+++ b/src/pki/command.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup command command
+ * @{ @ingroup pki
+ */
+
+#ifndef COMMAND_H_
+#define COMMAND_H_
+
+/**
+ * Maximum number of commands.
+ */
+#define MAX_COMMANDS 10
+
+/**
+ * Maximum number of options in a command (+1)
+ */
+#define MAX_OPTIONS 20
+
+/**
+ * Maximum number of usage summary lines (+1)
+ */
+#define MAX_LINES 10
+
+typedef struct command_t command_t;
+typedef struct command_option_t command_option_t;
+typedef enum command_type_t command_type_t;
+
+/**
+ * Option specification
+ */
+struct command_option_t {
+	/** long option string of the option */
+	char *name;
+	/** short option character of the option */
+	char op;
+	/** expected argument to option, no/req/opt_argument */
+	int arg;
+	/** description of the option */
+	char *desc;
+};
+
+/**
+ * Command specification.
+ */
+struct command_t {
+	/** Function implementing the command */
+	int (*call)();
+	/** short option character */
+	char op;
+	/** long option string */
+	char *cmd;
+	/** description of the command */
+	char *description;
+	/** usage summary of the command */
+	char *line[MAX_LINES];
+	/** list of options the command accepts */
+	command_option_t options[MAX_OPTIONS];
+};
+
+/**
+ * Get the next option, as with getopt.
+ */
+int command_getopt(char **arg);
+
+/**
+ * Register a command.
+ */
+void command_register(command_t command);
+
+/**
+ * Dispatch commands.
+ */
+int command_dispatch(int argc, char *argv[]);
+
+/**
+ * Show usage information of active command.
+ */
+int command_usage(char *error);
+
+#endif /* COMMAND_H_ @}*/