netcdf-c/libdap2/dapcvt.c
2015-05-08 14:02:12 -06:00

286 lines
11 KiB
C

/*********************************************************************
* Copyright 1993, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
*********************************************************************/
#include "config.h"
#include "ncdap.h"
#ifdef _MSC_VER
#include <crtdbg.h>
#endif
NCerror
dapconvert(nc_type srctype, nc_type dsttype, char* memory0, char* value0, size_t count)
{
NCerror ncstat = NC_NOERR;
size_t i;
char* memory = memory0;
char* value = value0;
/* In order to deal with the DAP upgrade problem,
try to preserve the bit patterns
*/
/* Provide space and pointer casts for intermediate results */
signed char ncbyte;
signed char* ncbytep;
char ncchar;
char* nccharp;
short ncshort;
short* ncshortp;
int ncint;
int* ncintp;
float ncfloat;
float* ncfloatp;
double ncdouble;
double* ncdoublep;
unsigned char ncubyte;
unsigned char* ncubytep;
unsigned short ncushort;
unsigned short* ncushortp;
unsigned int ncuint;
unsigned int* ncuintp;
long long ncint64;
long long* ncint64p;
unsigned long long ncuint64;
unsigned long long* ncuint64p;
#define CASE(nc1,nc2) (nc1*256+nc2)
#define CUT8(e) ((unsigned char)((e) & 0xff))
#define CUT16(e) ((unsigned short)((e) & 0xffff))
#define CUT32(e) ((unsigned int)((e) & 0xffffffff))
#define ARM(vs,ncs,ts,vd,ncd,td) \
case CASE(ncs,ncd):\
vs##p = (ts *)value;\
vs = *vs##p;\
vd##p = (td *)memory;\
*vd##p = (td)vs;\
break;
for(i=0;i<count;i++) {
switch (CASE(srctype,dsttype)) {
ARM(ncchar,NC_CHAR,char,ncchar,NC_CHAR,char)
ARM(ncchar,NC_CHAR,char,ncbyte,NC_BYTE,signed char)
ARM(ncchar,NC_CHAR,char,ncubyte,NC_UBYTE,unsigned char)
ARM(ncchar,NC_CHAR,char,ncshort,NC_SHORT,short)
ARM(ncchar,NC_CHAR,char,ncushort,NC_USHORT,unsigned short)
ARM(ncchar,NC_CHAR,char,ncint,NC_INT,int)
ARM(ncchar,NC_CHAR,char,ncuint,NC_UINT,unsigned int)
ARM(ncchar,NC_CHAR,char,ncint64,NC_INT64,long long)
ARM(ncchar,NC_CHAR,char,ncuint64,NC_UINT64,unsigned long long)
ARM(ncchar,NC_CHAR,char,ncfloat,NC_FLOAT,float)
ARM(ncchar,NC_CHAR,char,ncdouble,NC_DOUBLE,double)
ARM(ncbyte,NC_BYTE,signed char,ncchar,NC_CHAR,char)
ARM(ncbyte,NC_BYTE,signed char,ncbyte,NC_BYTE,signed char)
ARM(ncbyte,NC_BYTE,signed char,ncubyte,NC_UBYTE,unsigned char)
ARM(ncbyte,NC_BYTE,signed char,ncshort,NC_SHORT,short)
ARM(ncbyte,NC_BYTE,signed char,ncushort,NC_USHORT,unsigned short)
ARM(ncbyte,NC_BYTE,signed char,ncint,NC_INT,int)
ARM(ncbyte,NC_BYTE,signed char,ncuint,NC_UINT,unsigned int)
ARM(ncbyte,NC_BYTE,signed char,ncint64,NC_INT64,long long)
ARM(ncbyte,NC_BYTE,signed char,ncuint64,NC_UINT64,unsigned long long)
ARM(ncbyte,NC_BYTE,signed char,ncfloat,NC_FLOAT,float)
ARM(ncbyte,NC_BYTE,signed char,ncdouble,NC_DOUBLE,double)
ARM(ncubyte,NC_UBYTE,unsigned char,ncchar,NC_CHAR,char)
ARM(ncubyte,NC_UBYTE,unsigned char,ncbyte,NC_BYTE,signed char)
ARM(ncubyte,NC_UBYTE,unsigned char,ncubyte,NC_UBYTE,unsigned char)
ARM(ncubyte,NC_UBYTE,unsigned char,ncshort,NC_SHORT,short)
ARM(ncubyte,NC_UBYTE,unsigned char,ncushort,NC_USHORT,unsigned short)
ARM(ncubyte,NC_UBYTE,unsigned char,ncint,NC_INT,int)
ARM(ncubyte,NC_UBYTE,unsigned char,ncuint,NC_UINT,unsigned int)
ARM(ncubyte,NC_UBYTE,unsigned char,ncint64,NC_INT64,long long)
ARM(ncubyte,NC_UBYTE,unsigned char,ncuint64,NC_UINT64,unsigned long long)
ARM(ncubyte,NC_UBYTE,unsigned char,ncfloat,NC_FLOAT,float)
ARM(ncubyte,NC_UBYTE,unsigned char,ncdouble,NC_DOUBLE,double)
ARM(ncshort,NC_SHORT,short,ncchar,NC_CHAR,char)
ARM(ncshort,NC_SHORT,short,ncbyte,NC_BYTE,signed char)
ARM(ncshort,NC_SHORT,short,ncubyte,NC_UBYTE,unsigned char)
ARM(ncshort,NC_SHORT,short,ncshort,NC_SHORT,short)
ARM(ncshort,NC_SHORT,short,ncushort,NC_USHORT,unsigned short)
ARM(ncshort,NC_SHORT,short,ncint,NC_INT,int)
ARM(ncshort,NC_SHORT,short,ncuint,NC_UINT,unsigned int)
ARM(ncshort,NC_SHORT,short,ncint64,NC_INT64,long long)
ARM(ncshort,NC_SHORT,short,ncuint64,NC_UINT64,unsigned long long)
ARM(ncshort,NC_SHORT,short,ncfloat,NC_FLOAT,float)
ARM(ncshort,NC_SHORT,short,ncdouble,NC_DOUBLE,double)
ARM(ncushort,NC_USHORT,unsigned short,ncchar,NC_CHAR,char)
ARM(ncushort,NC_USHORT,unsigned short,ncbyte,NC_BYTE,signed char)
ARM(ncushort,NC_USHORT,unsigned short,ncubyte,NC_UBYTE,unsigned char)
ARM(ncushort,NC_USHORT,unsigned short,ncshort,NC_SHORT,short)
ARM(ncushort,NC_USHORT,unsigned short,ncushort,NC_USHORT,unsigned short)
ARM(ncushort,NC_USHORT,unsigned short,ncint,NC_INT,int)
ARM(ncushort,NC_USHORT,unsigned short,ncuint,NC_UINT,unsigned int)
ARM(ncushort,NC_USHORT,unsigned short,ncint64,NC_INT64,long long)
ARM(ncushort,NC_USHORT,unsigned short,ncuint64,NC_UINT64,unsigned long long)
ARM(ncushort,NC_USHORT,unsigned short,ncfloat,NC_FLOAT,float)
ARM(ncushort,NC_USHORT,unsigned short,ncdouble,NC_DOUBLE,double)
ARM(ncint,NC_INT,int,ncchar,NC_CHAR,char)
ARM(ncint,NC_INT,int,ncbyte,NC_BYTE,signed char)
ARM(ncint,NC_INT,int,ncubyte,NC_UBYTE,unsigned char)
ARM(ncint,NC_INT,int,ncshort,NC_SHORT,short)
ARM(ncint,NC_INT,int,ncushort,NC_USHORT,unsigned short)
ARM(ncint,NC_INT,int,ncint,NC_INT,int)
ARM(ncint,NC_INT,int,ncuint,NC_UINT,unsigned int)
ARM(ncint,NC_INT,int,ncint64,NC_INT64,long long)
ARM(ncint,NC_INT,int,ncuint64,NC_UINT64,unsigned long long)
ARM(ncint,NC_INT,int,ncfloat,NC_FLOAT,float)
ARM(ncint,NC_INT,int,ncdouble,NC_DOUBLE,double)
ARM(ncuint,NC_UINT,unsigned int,ncchar,NC_CHAR,char)
ARM(ncuint,NC_UINT,unsigned int,ncbyte,NC_BYTE,signed char)
ARM(ncuint,NC_UINT,unsigned int,ncubyte,NC_UBYTE,unsigned char)
ARM(ncuint,NC_UINT,unsigned int,ncshort,NC_SHORT,short)
ARM(ncuint,NC_UINT,unsigned int,ncushort,NC_USHORT,unsigned short)
ARM(ncuint,NC_UINT,unsigned int,ncint,NC_INT,int)
ARM(ncuint,NC_UINT,unsigned int,ncuint,NC_UINT,unsigned int)
ARM(ncuint,NC_UINT,unsigned int,ncint64,NC_INT64,long long)
ARM(ncuint,NC_UINT,unsigned int,ncuint64,NC_UINT64,unsigned long long)
ARM(ncuint,NC_UINT,unsigned int,ncfloat,NC_FLOAT,float)
ARM(ncuint,NC_UINT,unsigned int,ncdouble,NC_DOUBLE,double)
ARM(ncint64,NC_INT64,long long,ncchar,NC_CHAR,char)
ARM(ncint64,NC_INT64,long long,ncbyte,NC_BYTE,signed char)
ARM(ncint64,NC_INT64,long long,ncubyte,NC_UBYTE,unsigned char)
ARM(ncint64,NC_INT64,long long,ncshort,NC_SHORT,short)
ARM(ncint64,NC_INT64,long long,ncushort,NC_USHORT,unsigned short)
ARM(ncint64,NC_INT64,long long,ncint,NC_INT,int)
ARM(ncint64,NC_INT64,long long,ncuint,NC_UINT,unsigned int)
ARM(ncint64,NC_INT64,long long,ncint64,NC_INT64,long long)
ARM(ncint64,NC_INT64,long long,ncuint64,NC_UINT64,unsigned long long)
ARM(ncint64,NC_INT64,long long,ncfloat,NC_FLOAT,float)
ARM(ncint64,NC_INT64,long long,ncdouble,NC_DOUBLE,double)
ARM(ncuint64,NC_UINT64,unsigned long long,ncchar,NC_CHAR,char)
ARM(ncuint64,NC_UINT64,unsigned long long,ncbyte,NC_BYTE,signed char)
ARM(ncuint64,NC_UINT64,unsigned long long,ncubyte,NC_UBYTE,unsigned char)
ARM(ncuint64,NC_UINT64,unsigned long long,ncshort,NC_SHORT,short)
ARM(ncuint64,NC_UINT64,unsigned long long,ncushort,NC_USHORT,unsigned short)
ARM(ncuint64,NC_UINT64,unsigned long long,ncint,NC_INT,int)
ARM(ncuint64,NC_UINT64,unsigned long long,ncuint,NC_UINT,unsigned int)
ARM(ncuint64,NC_UINT64,unsigned long long,ncint64,NC_INT64,long long)
ARM(ncuint64,NC_UINT64,unsigned long long,ncuint64,NC_UINT64,unsigned long long)
ARM(ncuint64,NC_UINT64,unsigned long long,ncfloat,NC_FLOAT,float)
ARM(ncuint64,NC_UINT64,unsigned long long,ncdouble,NC_DOUBLE,double)
ARM(ncfloat,NC_FLOAT,float,ncchar,NC_CHAR,char)
ARM(ncfloat,NC_FLOAT,float,ncbyte,NC_BYTE,signed char)
ARM(ncfloat,NC_FLOAT,float,ncubyte,NC_UBYTE,unsigned char)
ARM(ncfloat,NC_FLOAT,float,ncshort,NC_SHORT,short)
ARM(ncfloat,NC_FLOAT,float,ncushort,NC_USHORT,unsigned short)
ARM(ncfloat,NC_FLOAT,float,ncint,NC_INT,int)
ARM(ncfloat,NC_FLOAT,float,ncuint,NC_UINT,unsigned int)
ARM(ncfloat,NC_FLOAT,float,ncint64,NC_INT64,long long)
ARM(ncfloat,NC_FLOAT,float,ncuint64,NC_UINT64,unsigned long long)
ARM(ncfloat,NC_FLOAT,float,ncfloat,NC_FLOAT,float)
ARM(ncfloat,NC_FLOAT,float,ncdouble,NC_DOUBLE,double)
ARM(ncdouble,NC_DOUBLE,double,ncchar,NC_CHAR,char)
ARM(ncdouble,NC_DOUBLE,double,ncbyte,NC_BYTE,signed char)
ARM(ncdouble,NC_DOUBLE,double,ncubyte,NC_UBYTE,unsigned char)
ARM(ncdouble,NC_DOUBLE,double,ncshort,NC_SHORT,short)
ARM(ncdouble,NC_DOUBLE,double,ncushort,NC_USHORT,unsigned short)
ARM(ncdouble,NC_DOUBLE,double,ncint,NC_INT,int)
ARM(ncdouble,NC_DOUBLE,double,ncuint,NC_UINT,unsigned int)
ARM(ncdouble,NC_DOUBLE,double,ncint64,NC_INT64,long long)
ARM(ncdouble,NC_DOUBLE,double,ncuint64,NC_UINT64,unsigned long long)
ARM(ncdouble,NC_DOUBLE,double,ncfloat,NC_FLOAT,float)
ARM(ncdouble,NC_DOUBLE,double,ncdouble,NC_DOUBLE,double)
default: ncstat = NC_EINVAL; THROWCHK(ncstat); goto fail;
}
value += nctypesizeof(srctype);
memory += nctypesizeof(dsttype);
}
fail:
return THROW(ncstat);
}
NCerror
dapcvtattrval(nc_type etype, void* dst, NClist* src)
{
int i,ok;
NCerror ncstat = NC_NOERR;
unsigned int memsize = nctypesizeof(etype);
unsigned int nvalues = nclistlength(src);
char* dstmem = (char*)dst;
for(i=0;i<nvalues;i++) {
char* s = (char*)nclistget(src,i);
ok = 0;
switch (etype) {
case NC_BYTE: {
char tmp[128];
unsigned char* p = (unsigned char*)dstmem;
#ifdef _MSC_VER
ok = sscanf(s,"%hC",p);
_ASSERTE(_CrtCheckMemory());
#else
ok = sscanf(s,"%hhu",p);
#endif
} break;
case NC_CHAR: {
signed char* p = (signed char*)dstmem;
ok = sscanf(s,"%c",p);
} break;
case NC_SHORT: {
short* p = (short*)dstmem;
ok = sscanf(s,"%hd",p);
} break;
case NC_INT: {
int* p = (int*)dstmem;
ok = sscanf(s,"%d",p);
} break;
case NC_FLOAT: {
float* p = (float*)dstmem;
ok = sscanf(s,"%g",p);
} break;
case NC_DOUBLE: {
double* p = (double*)dstmem;
ok = sscanf(s,"%lg",p);
} break;
case NC_UBYTE: {
unsigned char* p = (unsigned char*)dstmem;
#ifdef _MSC_VER
ok = sscanf(s, "%hc", p);
_ASSERTE(_CrtCheckMemory());
#else
ok = sscanf(s,"%hhu",p);
#endif
} break;
case NC_USHORT: {
unsigned short* p = (unsigned short*)dstmem;
ok = sscanf(s,"%hu",p);
} break;
case NC_UINT: {
unsigned int* p = (unsigned int*)dstmem;
ok = sscanf(s,"%u",p);
} break;
case NC_INT64: {
long long* p = (long long*)dstmem;
#ifdef _MSC_VER
ok = sscanf(s, "%I64d", p);
#else
ok = sscanf(s,"%lld",p);
#endif
} break;
case NC_UINT64: {
unsigned long long* p = (unsigned long long*)dstmem;
ok = sscanf(s,"%llu",p);
} break;
case NC_STRING: case NC_URL: {
char** p = (char**)dstmem;
*p = nulldup(s);
ok = 1;
} break;
default:
PANIC1("unexpected nc_type: %d",(int)etype);
}
if(ok != 1) {ncstat = NC_EINVAL; goto done;}
dstmem += memsize;
}
done:
return THROW(ncstat);
}