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/*
 * Copyright (C) 1997 NCSA
 *		      All rights reserved.
 *
 * Programmer:	Robb Matzke <matzke@llnl.gov>
 *		Monday, December  8, 1997
 *
 * Purpose:	This file contains declarations which are visible only within
 *		the H5T package.  Source files outside the H5T package should
 *		include H5Tprivate.h instead.
 */
#ifndef H5T_PACKAGE
#error "Do not include this file outside the H5T package!"
#endif

#ifndef _H5Tpkg_H
#define _H5Tpkg_H

/*
 * Define this to enable debugging.
 */
#ifdef NDEBUG
#  undef H5T_DEBUG
#endif

#include <H5HGprivate.h>
#include <H5Rprivate.h>
#include <H5Rpublic.h>  /* Publicly accessible reference information needed also */
#include <H5Tprivate.h>

typedef struct H5T_atomic_t {
    H5T_order_t		order;	/*byte order				     */
    size_t		prec;	/*precision in bits			     */
    size_t		offset; /*bit position of lsb of value		     */
    H5T_pad_t	        lsb_pad;/*type of lsb padding			     */
    H5T_pad_t		msb_pad;/*type of msb padding			     */
    union {
	struct {
	    H5T_sign_t	sign;	/*type of integer sign			     */
	} i;			/*integer; integer types		     */

	struct {
	    size_t	sign;	/*bit position of sign bit		     */
	    size_t	epos;	/*position of lsb of exponent		     */
	    size_t	esize;	/*size of exponent in bits		     */
	    uint64_t	ebias;	/*exponent bias				     */
	    size_t	mpos;	/*position of lsb of mantissa		     */
	    size_t	msize;	/*size of mantissa			     */
	    H5T_norm_t	norm;	/*normalization				     */
	    H5T_pad_t	pad;	/*type of padding for internal bits	     */
	} f;			/*floating-point types			     */

	struct {
	    H5T_cset_t	cset;	/*character set				     */
	    H5T_str_t	pad;	/*space or null padding of extra bytes	     */
	} s;

	struct {
	    H5R_type_t	rtype;	/* Type of reference stored */
	} r;
    } u;
} H5T_atomic_t;

typedef struct H5T_compnd_t {
    intn		nalloc;		/*num entries allocated in MEMB array*/
    intn		nmembs;		/*number of members defined in struct*/
    struct H5T_member_t *memb;		/*array of struct members	     */
} H5T_compnd_t;

typedef enum H5T_state_t {
    H5T_STATE_TRANSIENT, 		/*type is a modifiable transient     */
    H5T_STATE_RDONLY,			/*transient, not modifiable, closable*/
    H5T_STATE_IMMUTABLE,		/*constant, not closable	     */
    H5T_STATE_NAMED,			/*named constant, not open	     */
    H5T_STATE_OPEN			/*named constant, open object header */
} H5T_state_t;

struct H5T_t {
    H5T_state_t		state;	/*current state of the type		     */
    H5G_entry_t		ent;	/*the type is a named type		     */
    H5F_t		*sh_file;/*file pointer if this is a shared type     */
    H5T_class_t		type;	/*which class of type is this?		     */
    size_t		size;	/*total size of an instance of this type     */
    union {
	H5T_atomic_t	atomic; /*an atomic data type			     */
	H5T_compnd_t	compnd; /*a compound data type (struct)		     */
    } u;
};

typedef struct H5T_member_t {
    char		*name;		/*name of this member		     */
    size_t		offset;		/*offset from beginning of struct    */
    size_t		size;		/*total size: dims * type_size	     */
    intn		ndims;		/*member dimensionality		     */
    size_t		dim[4];		/*size in each dimension	     */
    intn		perm[4];	/*index permutation		     */
    struct H5T_t	*type;		/*type of this member		     */
} H5T_member_t;

/* The master list of soft conversion functions */
typedef struct H5T_soft_t {
    char	name[H5T_NAMELEN];	/*name for debugging only	     */
    H5T_class_t src;			/*source data type class	     */
    H5T_class_t dst;			/*destination data type class	     */
    H5T_conv_t	func;			/*the conversion function	     */
} H5T_soft_t;

/* Bit search direction */
typedef enum H5T_sdir_t {
    H5T_BIT_LSB,			/*search lsb toward msb		     */
    H5T_BIT_MSB				/*search msb toward lsb		     */
} H5T_sdir_t;

/* The overflow handler */
extern H5T_overflow_t H5T_overflow_g;

/*
 * Alignment information for native types. A value of N indicates that the
 * data must be aligned on an address ADDR such that 0 == ADDR mod N. When
 * N=1 no alignment is required; N=0 implies that alignment constraints were
 * not calculated.
 */
extern size_t	H5T_NATIVE_SCHAR_ALIGN_g;
extern size_t	H5T_NATIVE_UCHAR_ALIGN_g;
extern size_t	H5T_NATIVE_SHORT_ALIGN_g;
extern size_t	H5T_NATIVE_USHORT_ALIGN_g;
extern size_t	H5T_NATIVE_INT_ALIGN_g;
extern size_t	H5T_NATIVE_UINT_ALIGN_g;
extern size_t	H5T_NATIVE_LONG_ALIGN_g;
extern size_t	H5T_NATIVE_ULONG_ALIGN_g;
extern size_t	H5T_NATIVE_LLONG_ALIGN_g;
extern size_t	H5T_NATIVE_ULLONG_ALIGN_g;
extern size_t	H5T_NATIVE_FLOAT_ALIGN_g;
extern size_t	H5T_NATIVE_DOUBLE_ALIGN_g;
extern size_t	H5T_NATIVE_LDOUBLE_ALIGN_g;

/* Conversion functions */
herr_t H5T_conv_noop (hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
		      size_t nelmts, void *buf, void *bkg);

herr_t H5T_conv_order (hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
		       size_t nelmts, void *_buf, void *bkg);
herr_t H5T_conv_struct (hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			size_t nelmts, void *_buf, void *bkg);
herr_t H5T_conv_i_i (hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
		     size_t nelmts, void *_buf, void *bkg);
herr_t H5T_conv_f_f (hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
		     size_t nelmts, void *_buf, void *bkg);
herr_t H5T_conv_s_s (hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
		     size_t nelmts, void *_buf, void *bkg);

herr_t H5T_conv_schar_uchar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uchar_schar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_schar_short(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_schar_ushort(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uchar_short(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uchar_ushort(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_schar_int(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_schar_uint(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uchar_int(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uchar_uint(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_schar_long(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_schar_ulong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uchar_long(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uchar_ulong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_schar_llong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_schar_ullong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uchar_llong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uchar_ullong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);

herr_t H5T_conv_short_schar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_short_uchar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ushort_schar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ushort_uchar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_short_ushort(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ushort_short(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_short_int(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_short_uint(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ushort_int(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ushort_uint(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_short_long(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_short_ulong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ushort_long(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ushort_ulong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_short_llong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_short_ullong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ushort_llong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ushort_ullong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			      size_t nelmts, void *buf, void *bkg);

herr_t H5T_conv_int_schar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_int_uchar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uint_schar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uint_uchar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_int_short(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_int_ushort(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uint_short(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uint_ushort(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_int_uint(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			 size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uint_int(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			 size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_int_long(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			 size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_int_ulong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uint_long(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uint_ulong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_int_llong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_int_ullong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uint_llong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_uint_ullong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);

herr_t H5T_conv_long_schar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_long_uchar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ulong_schar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ulong_uchar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_long_short(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_long_ushort(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ulong_short(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ulong_ushort(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_long_int(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			 size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_long_uint(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ulong_int(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ulong_uint(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_long_ulong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ulong_long(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_long_llong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_long_ullong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ulong_llong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ulong_ullong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);

herr_t H5T_conv_llong_schar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_llong_uchar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ullong_schar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ullong_uchar(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_llong_short(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_llong_ushort(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ullong_short(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ullong_ushort(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_llong_int(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			 size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_llong_uint(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ullong_int(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			  size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ullong_uint(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_llong_long(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_llong_ulong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ullong_long(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			   size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ullong_ulong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_llong_ullong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_ullong_llong(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			    size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_float_double (hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			      size_t nelmts, void *buf, void *bkg);
herr_t H5T_conv_double_float (hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			      size_t nelmts, void *buf, void *bkg);

herr_t H5T_conv_i32le_f64le (hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata,
			     size_t nelmts, void *_buf, void *bkg);

/* Bit twiddling functions */
void H5T_bit_copy (uint8_t *dst, size_t dst_offset, const uint8_t *src,
		   size_t src_offset, size_t size);
void H5T_bit_set (uint8_t *buf, size_t offset, size_t size, hbool_t value);
hsize_t H5T_bit_get_d (uint8_t *buf, size_t offset, size_t size);
void H5T_bit_set_d (uint8_t *buf, size_t offset, size_t size, hsize_t val);
ssize_t H5T_bit_find (uint8_t *buf, size_t offset, size_t size,
		      H5T_sdir_t direction, hbool_t value);
htri_t H5T_bit_inc(uint8_t *buf, size_t start, size_t size);

#endif