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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "pcilib.h"
#include "value.h"
#include "error.h"
#include "unit.h"
void pcilib_clean_value(pcilib_t *ctx, pcilib_value_t *val) {
if (!val) return;
if (val->data) {
free(val->data);
val->data = NULL;
}
memset(val, 0, sizeof(pcilib_value_t));
}
int pcilib_copy_value(pcilib_t *ctx, pcilib_value_t *dst, const pcilib_value_t *src) {
if (dst->type != PCILIB_TYPE_INVALID)
pcilib_clean_value(ctx, dst);
memcpy(dst, src, sizeof(pcilib_value_t));
if ((src->size)&&(src->data)) {
dst->data = malloc(src->size);
if (!dst->data) {
dst->type = PCILIB_TYPE_INVALID;
return PCILIB_ERROR_MEMORY;
}
memcpy(dst->data, src->data, src->size);
}
return 0;
}
int pcilib_set_value_from_float(pcilib_t *ctx, pcilib_value_t *value, double fval) {
pcilib_clean_value(ctx, value);
value->type = PCILIB_TYPE_DOUBLE;
value->fval = fval;
return 0;
}
int pcilib_set_value_from_int(pcilib_t *ctx, pcilib_value_t *value, long ival) {
pcilib_clean_value(ctx, value);
value->type = PCILIB_TYPE_LONG;
value->ival = ival;
return 0;
}
int pcilib_set_value_from_static_string(pcilib_t *ctx, pcilib_value_t *value, const char *str) {
pcilib_clean_value(ctx, value);
value->type = PCILIB_TYPE_STRING;
value->sval = str;
return 0;
}
/*
double pcilib_value_get_float(pcilib_value_t *val) {
pcilib_value_t copy;
if (val->type == PCILIB_TYPE_DOUBLE)
return val->fval;
err = pcilib_copy_value(©, val);
if (err) ???
}
long pcilib_value_get_int(pcilib_value_t *val) {
}
*/
int pcilib_convert_value_unit(pcilib_t *ctx, pcilib_value_t *val, const char *unit_name) {
if (val->type == PCILIB_TYPE_INVALID) {
pcilib_error("Can't convert uninitialized value");
return PCILIB_ERROR_NOTINITIALIZED;
}
if ((val->type != PCILIB_TYPE_DOUBLE)&&(val->type != PCILIB_TYPE_LONG)) {
pcilib_error("Can't convert value of type %u, only values with integer and float types can be converted to different units", val->type);
return PCILIB_ERROR_INVALID_ARGUMENT;
}
if (!val->unit) {
pcilib_error("Can't convert value with the unspecified unit");
return PCILIB_ERROR_INVALID_ARGUMENT;
}
pcilib_unit_t unit = pcilib_find_unit_by_name(ctx, val->unit);
if (unit == PCILIB_UNIT_INVALID) {
pcilib_error("Can't convert unrecognized unit %s", val->unit);
return PCILIB_ERROR_NOTFOUND;
}
return pcilib_transform_unit_by_name(ctx, unit_name, val);
}
int pcilib_convert_value_type(pcilib_t *ctx, pcilib_value_t *val, pcilib_value_type_t type) {
if (val->type == PCILIB_TYPE_INVALID) {
pcilib_error("Can't convert uninitialized value");
return PCILIB_ERROR_NOTINITIALIZED;
}
switch (type) {
case PCILIB_TYPE_STRING:
switch (val->type) {
case PCILIB_TYPE_STRING:
return 0;
case PCILIB_TYPE_DOUBLE:
sprintf(val->str, (val->format?val->format:"%lf"), val->fval);
val->format = NULL;
break;
case PCILIB_TYPE_LONG:
sprintf(val->str, (val->format?val->format:"%li"), val->ival);
val->format = NULL;
break;
default:
return PCILIB_ERROR_NOTSUPPORTED;
}
val->sval = val->str;
break;
case PCILIB_TYPE_DOUBLE:
switch (val->type) {
case PCILIB_TYPE_STRING:
if (sscanf(val->sval, "%lf", &val->fval) != 1) {
pcilib_warning("Can't convert string (%s) to float", val->sval);
return PCILIB_ERROR_INVALID_DATA;
}
val->format = NULL;
break;
case PCILIB_TYPE_DOUBLE:
return 0;
case PCILIB_TYPE_LONG:
val->fval = val->ival;
val->format = NULL;
break;
default:
return PCILIB_ERROR_NOTSUPPORTED;
}
break;
case PCILIB_TYPE_LONG:
switch (val->type) {
case PCILIB_TYPE_STRING:
if (sscanf(val->sval, "%li", &val->ival) != 1) {
pcilib_warning("Can't convert string (%s) to int", val->sval);
return PCILIB_ERROR_INVALID_DATA;
}
val->format = NULL;
break;
case PCILIB_TYPE_DOUBLE:
val->ival = round(val->fval);
val->format = NULL;
break;
case PCILIB_TYPE_LONG:
return 0;
default:
return PCILIB_ERROR_NOTSUPPORTED;
}
break;
default:
return PCILIB_ERROR_NOTSUPPORTED;
}
return 0;
}
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