strongswan/src/libcharon/plugins/vici/vici_builder.h

138 lines
3.8 KiB
C

/*
* Copyright (C) 2014 Martin Willi
* Copyright (C) 2014 revosec AG
*
* 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 vici_builder vici_builder
* @{ @ingroup vici
*/
#ifndef VICI_BUILDER_H_
#define VICI_BUILDER_H_
#include "vici_message.h"
typedef struct vici_builder_t vici_builder_t;
/**
* Build helper for vici message
*/
struct vici_builder_t {
/**
* Append a generic message element to message.
*
* The additional arguments are type specific, it may be nothing, a string,
* a chunk value or both.
*
* @param type element type to add
* @param ... additional type specific arguments
*/
void (*add)(vici_builder_t *this, vici_type_t type, ...);
/**
* Append a key/value element using a format string.
*
* Instead of passing the type specific value as a chunk, this method
* takes a printf() style format string followed by its arguments. The
* key name for a key/value type is still a fixed string.
*
* @param key key name of the key/value to add
* @param fmt value format string
* @param ... arguments to value format string
*/
void (*add_kv)(vici_builder_t *this, char *key, char *fmt, ...);
/**
* Append a message element using a format string and va_list.
*
* Instead of passing the type specific value as a chunk, this method
* takes a printf() style format string followed by its arguments. The
* key name for a key/value type is still a fixed string.
*
* @param key key name of the key/value to add
* @param fmt value format string
* @param args arguments to value format string
*/
void (*vadd_kv)(vici_builder_t *this, char *key, char *fmt, va_list args);
/**
* Append a list item element using a format string.
*
* Instead of passing the type specific value as a chunk, this method
* takes a printf() style format string followed by its arguments.
*
* @param fmt value format string
* @param ... arguments to value format string
*/
void (*add_li)(vici_builder_t *this, char *fmt, ...);
/**
* Append a list item element using a format string and va_list.
*
* Instead of passing the type specific value as a chunk, this method
* takes a printf() style format string followed by its arguments.
*
* @param fmt value format string
* @param args arguments to value format string
*/
void (*vadd_li)(vici_builder_t *this, char *fmt, va_list args);
/**
* Begin a new section.
*
* @param name name of section to begin
*/
void (*begin_section)(vici_builder_t *this, char *name);
/**
* End the currently open section.
*/
void (*end_section)(vici_builder_t *this);
/**
* Begin a new list.
*
* @param name name of list to begin
*/
void (*begin_list)(vici_builder_t *this, char *name);
/**
* End the currently open list.
*/
void (*end_list)(vici_builder_t *this);
/**
* Finalize a vici message with all added elements, destroy builder.
*
* @return vici message, NULL on error
*/
vici_message_t* (*finalize)(vici_builder_t *this);
/**
* Destroy a vici builder without finalization.
*
* Note that finalize() already destroys the message, and calling destroy()
* is required only if the message does not get finalize()d.
*/
void (*destroy)(vici_builder_t *this);
};
/**
* Create a vici_builder instance.
*/
vici_builder_t *vici_builder_create();
#endif /** VICI_BUILDER_H_ @}*/