/*************************************************************************\
* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
*     National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
*     Operator of Los Alamos National Laboratory.
* EPICS BASE Versions 3.13.7
* and higher are distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution. 
\*************************************************************************/
/* $Revision-Id$  */

/*
 *      Author:     Jeff Hill  
 *      Date:           5-95 
 */

#ifndef INCepicsTypesh
#define INCepicsTypesh 1

#include "shareLib.h"

#if __STDC_VERSION__ >= 199901L
#include <inttypes.h>
#endif

#ifndef stringOf
#   if defined (__STDC__ ) || defined (__cplusplus)
#       define stringOf(TOKEN) #TOKEN
#   else
#       define stringOf(TOKEN) "TOKEN"
#   endif
#endif

typedef enum {
    epicsFalse=0, 
    epicsTrue=1 }   epicsBoolean;

/*
 * Architecture Independent Data Types
 * (so far, this is sufficient for all archs we have ported to)
 */
#if __STDC_VERSION__ >= 199901L
    typedef int8_t          epicsInt8;
    typedef uint8_t         epicsUInt8;
    typedef int16_t         epicsInt16;
    typedef uint16_t        epicsUInt16;
    typedef epicsUInt16     epicsEnum16;
    typedef int32_t         epicsInt32;
    typedef uint32_t        epicsUInt32;
    typedef int64_t         epicsInt64;
    typedef uint64_t        epicsUInt64;
#else
    typedef char            epicsInt8;
    typedef unsigned char   epicsUInt8;
    typedef short           epicsInt16;
    typedef unsigned short  epicsUInt16;
    typedef epicsUInt16     epicsEnum16;
    typedef int             epicsInt32;
    typedef unsigned int    epicsUInt32;
#endif
typedef float           epicsFloat32;
typedef double          epicsFloat64;
typedef epicsInt32      epicsStatus;


typedef struct {
    unsigned    length;
    char        *pString;
}epicsString;

/*
 * !! Dont use this - it may vanish in the future !!
 *
 * Provided only for backwards compatibility with
 * db_access.h 
 *
 */
#define MAX_STRING_SIZE 40
typedef char            epicsOldString[MAX_STRING_SIZE]; 

/*
 * union of all types
 *
 * Strings included here as pointers only so that we support
 * large string types.
 *
 * Arrays included here as pointers because large arrays will 
 * not fit in this union.
 */
typedef union epics_any{
    epicsInt8       int8;
    epicsUInt8      uInt8;
    epicsInt16      int16;
    epicsUInt16     uInt16;
    epicsEnum16     enum16;
    epicsInt32      int32;
    epicsUInt32     uInt32;
    epicsFloat32    float32;
    epicsFloat64    float64;
    epicsString     string;
}epicsAny;
    
/*
 * Corresponding Type Codes
 * (this enum must start at zero)
 *
 * !! Update epicsTypeToDBR_XXXX[] and DBR_XXXXToEpicsType
 *  in db_access.h if you edit this enum !!
 */
typedef enum {
                epicsInt8T,
                epicsUInt8T,
                epicsInt16T,
                epicsUInt16T,
                epicsEnum16T,
                epicsInt32T,
                epicsUInt32T,
                epicsFloat32T,
                epicsFloat64T,
                epicsStringT,
                epicsOldStringT
}epicsType;
#define firstEpicsType epicsInt8T
#define lastEpicsType epicsOldStringT 
#define validEpicsType(x)   ((x>=firstEpicsType) && (x<=lastEpicsType))
#define invalidEpicsType(x) ((x<firstEpicsType) || (x>lastEpicsType))


/*
 * The enumeration "epicsType" is an index to this array
 * of type name strings.
 */
#ifdef epicsTypesGLOBAL
epicsShareDef const char *epicsTypeNames [lastEpicsType+1] = {
        "epicsInt8",
        "epicsUInt8",
        "epicsInt16",
        "epicsUInt16",
        "epicsEnum16",
        "epicsInt32",
        "epicsUInt32",
        "epicsFloat32",
        "epicsFloat64",
        "epicsString",
        "epicsOldString",
};
#else /* epicsTypesGLOBAL */
epicsShareExtern const char *epicsTypeNames [lastEpicsType+1];
#endif /* epicsTypesGLOBAL */

/*
 * The enumeration "epicsType" is an index to this array
 * of type code name strings.
 */
#ifdef epicsTypesGLOBAL
epicsShareDef const char *epicsTypeCodeNames [lastEpicsType+1] = {
        "epicsInt8T",
        "epicsUInt8T",
        "epicsInt16T",
        "epicsUInt16T",
        "epicsEnum16T",
        "epicsInt32T",
        "epicsUInt32T",
        "epicsFloat32T",
        "epicsFloat64T",
        "epicsStringT",
        "epicsOldStringT",
};
#else /* epicsTypesGLOBAL */
epicsShareExtern const char *epicsTypeCodeNames [lastEpicsType+1];
#endif /* epicsTypesGLOBAL */

#ifdef epicsTypesGLOBAL
epicsShareDef const unsigned epicsTypeSizes [lastEpicsType+1] = {
        sizeof (epicsInt8),
        sizeof (epicsUInt8),
        sizeof (epicsInt16),
        sizeof (epicsUInt16),
        sizeof (epicsEnum16),
        sizeof (epicsInt32),
        sizeof (epicsUInt32),
        sizeof (epicsFloat32),
        sizeof (epicsFloat64),
        sizeof (epicsString),
        sizeof (epicsOldString),
};
#else /* epicsTypesGLOBAL */
epicsShareExtern const unsigned epicsTypeSizes [lastEpicsType+1];
#endif /* epicsTypesGLOBAL */

/*
 * The enumeration "epicsType" is an index to this array
 * of type class identifiers.
 */
typedef enum {
    epicsIntC, 
    epicsUIntC, 
    epicsEnumC,
    epicsFloatC, 
    epicsStringC,
    epicsOldStringC} epicsTypeClass;
#ifdef epicsTypesGLOBAL
epicsShareDef const epicsTypeClass epicsTypeClasses [lastEpicsType+1] = {
        epicsIntC,
        epicsUIntC,
        epicsIntC,
        epicsUIntC,
        epicsEnumC,
        epicsIntC,
        epicsUIntC,
        epicsFloatC,
        epicsFloatC,
        epicsStringC,
        epicsOldStringC
    };
#else /* epicsTypesGLOBAL */
epicsShareExtern const epicsTypeClass epicsTypeClasses [lastEpicsType+1];
#endif /* epicsTypesGLOBAL */


#ifdef epicsTypesGLOBAL
epicsShareDef const char *epicsTypeAnyFieldName [lastEpicsType+1] = {
            "int8",
            "uInt8",
            "int16",
            "uInt16",
            "enum16",
            "int32",
            "uInt32",
            "float32",
            "float64",
            "string",
            "", /* Old Style Strings will not be in epicsAny type */
    };
#else /* epicsTypesGLOBAL */
epicsShareExtern const char *epicsTypeAnyFieldName [lastEpicsType+1];
#endif /* epicsTypesGLOBAL */

#endif /* INCepicsTypesh */

