linkoptions.h

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/*************************************************************************\
* Copyright (c) 2010 Brookhaven Science Associates, as Operator of
*     Brookhaven National Laboratory.
* mrfioc2 is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/*
 * Author: Michael Davidsaver <mdavidsaver@gmail.com>
 */
 
#ifndef LINKOPTIONS_H
#define LINKOPTIONS_H
 
#include <shareLib.h>
#include <dbDefs.h>
#include <epicsTypes.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum linkOption {
    linkOptionInvalid=0,
    linkOptionInt32,
    linkOptionDouble,
    linkOptionString,
    linkOptionEnum
} linkOption;
 
typedef struct linkOptionEnumType {
    const char *name;
    const int value;
} linkOptionEnumType;
 
typedef struct linkOptionDef {
    const char * name;
    linkOption optType;
    int required:1;
    int overwrite:1;
    epicsUInt32 offset;
    epicsUInt32 size;
    const linkOptionEnumType *Enums;
} linkOptionDef;
 
#define linkInt32(Struct, Member, Name, Req, Over) \
{Name, linkOptionInt32, Req, Over, OFFSET(Struct, Member), sizeof( ((Struct*)0)->Member ), NULL}
 
#define linkDouble(Struct, Member, Name, Req, Over) \
{Name, linkOptionDouble, Req, Over, OFFSET(Struct, Member), sizeof( ((Struct*)0)->Member ), NULL}
 
#define linkString(Struct, Member, Name, Req, Over) \
{Name, linkOptionString, Req, Over, OFFSET(Struct, Member), sizeof( ((Struct*)0)->Member ), NULL}
 
#define linkEnum(Struct, Member, Name, Req, Over, Enums) \
{Name, linkOptionEnum, Req, Over, OFFSET(Struct, Member), sizeof( ((Struct*)0)->Member ), Enums}
 
#define linkOptionEnd {0,linkOptionInvalid,0,0,0,0,NULL}
 
/* Extra output when parsing and converting */
#define LINKOPTIONDEBUG 1
 
epicsShareFunc
int
epicsShareAPI
linkOptionsStore(const linkOptionDef* opts, void* user, const char* str, int options);
 
epicsShareFunc
const char*
epicsShareAPI
linkOptionsEnumString(const linkOptionEnumType *Enums, int i, const char* def);
 
#ifdef __cplusplus
}
#endif
 
#endif /* LINKOPTIONS_H */