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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Author:
* Michael Zucchi <notzed@ximian.com>
*
* Copyright 2002 Ximian, Inc. (www.ximian.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifndef CAMEL_ARG_H
#define CAMEL_ARG_H 1
#ifdef __cplusplus
extern "C" {
#pragma }
#endif /* __cplusplus } */
#include <glib.h>
#include <stdarg.h>
enum camel_arg_t {
CAMEL_ARG_END = 0,
CAMEL_ARG_IGNORE = 1, /* override/ignore an arg in-place */
CAMEL_ARG_FIRST = 1024, /* 1024 args reserved for arg system */
CAMEL_ARG_TYPE = 0xf0000000, /* type field for tags */
CAMEL_ARG_TAG = 0x0fffffff, /* tag field for args */
CAMEL_ARG_OBJ = 0x00000000, /* object */
CAMEL_ARG_INT = 0x10000000, /* int */
CAMEL_ARG_DBL = 0x20000000, /* double */
CAMEL_ARG_STR = 0x30000000, /* c string */
CAMEL_ARG_PTR = 0x40000000, /* ptr */
};
typedef struct _CamelArg CamelArg;
typedef struct _CamelArgV CamelArgV;
typedef struct _CamelArgGet CamelArgGet;
typedef struct _CamelArgGetV CamelArgGetV;
struct _CamelArg {
guint32 tag;
union {
void *ca_object;
int ca_int;
double ca_double;
char *ca_str;
void *ca_ptr;
} u;
};
struct _CamelArgGet {
guint32 tag;
union {
void **ca_object;
int *ca_int;
double *ca_double;
char **ca_str;
void **ca_ptr;
} u;
};
#define ca_object u.ca_object
#define ca_int u.ca_int
#define ca_double u.ca_double
#define ca_str u.ca_str
#define ca_ptr u.ca_ptr
/* maximum no of args processed at any one time, not the max of all args */
#define CAMEL_ARGV_MAX (20)
struct _CamelArgV {
va_list ap;
int argc;
CamelArg argv[CAMEL_ARGV_MAX];
};
struct _CamelArgGetV {
va_list ap;
int argc;
CamelArgGet argv[CAMEL_ARGV_MAX];
};
#define camel_argv_start(tv, last) va_start((tv)->ap, last)
#define camel_argv_end(tv) va_end((tv)->ap)
int camel_argv_build(CamelArgV *tv);
int camel_arggetv_build(CamelArgGetV *tv);
/* set an arg ignored */
#define camel_argv_ignore(tv, i) ((tv)->argv[i].tag = ((tv)->argv[i].tag & CAMEL_ARG_TYPE) | CAMEL_ARG_IGNORE)
/* 'self-describing' property list */
typedef struct _CamelProperty CamelProperty;
struct _CamelProperty {
guint32 tag;
char *name;
char *description;
};
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CAMEL_ARG_H */
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