ledger/value.cc
2004-08-25 21:51:11 -04:00

580 lines
13 KiB
C++

#include "value.h"
#include "ledger.h"
namespace ledger {
void value_t::destroy()
{
switch (type) {
case AMOUNT:
((amount_t *)data)->~amount_t();
break;
case BALANCE:
((balance_t *)data)->~balance_t();
break;
case BALANCE_PAIR:
((balance_pair_t *)data)->~balance_pair_t();
break;
default:
break;
}
}
value_t& value_t::operator=(const value_t& value)
{
if (this == &value)
return *this;
destroy();
switch (value.type) {
case BOOLEAN:
*((bool *) data) = *((bool *) value.data);
break;
case INTEGER:
*((unsigned int *) data) = *((unsigned int *) value.data);
break;
case AMOUNT:
new((amount_t *)data) amount_t(*((amount_t *) value.data));
break;
case BALANCE:
new((balance_t *)data) balance_t(*((balance_t *) value.data));
break;
case BALANCE_PAIR:
new((balance_pair_t *)data) balance_pair_t(*((balance_pair_t *) value.data));
break;
default:
assert(0);
break;
}
type = value.type;
return *this;
}
#define DEF_VALUE_OP(OP) \
value_t& value_t::operator OP(const value_t& value) \
{ \
switch (value.type) { \
case BOOLEAN: \
case INTEGER: \
switch (type) { \
case BOOLEAN: \
cast(INTEGER); \
\
case INTEGER: \
*((unsigned int *) data) OP *((unsigned int *) value.data); \
break; \
\
case AMOUNT: \
*((amount_t *) data) OP *((unsigned int *) value.data); \
break; \
\
case BALANCE: \
*((balance_t *) data) OP amount_t(*((unsigned int *) value.data)); \
break; \
\
case BALANCE_PAIR: \
*((balance_pair_t *) data) OP amount_t(*((unsigned int *) value.data)); \
break; \
\
default: \
assert(0); \
break; \
} \
break; \
\
case AMOUNT: \
switch (type) { \
case BOOLEAN: \
case INTEGER: \
cast(AMOUNT); \
\
case AMOUNT: \
if (((amount_t *) data)->commodity && \
((amount_t *) data)->commodity != \
((amount_t *) value.data)->commodity) { \
cast(BALANCE); \
return *this OP value; \
} \
*((amount_t *) data) OP *((amount_t *) value.data); \
break; \
\
case BALANCE: \
*((balance_t *) data) OP *((amount_t *) value.data); \
break; \
\
case BALANCE_PAIR: \
*((balance_pair_t *) data) OP *((amount_t *) value.data); \
break; \
\
default: \
assert(0); \
break; \
} \
break; \
\
case BALANCE: \
switch (type) { \
case BOOLEAN: \
case INTEGER: \
case AMOUNT: \
cast(BALANCE); \
\
case BALANCE: \
*((balance_t *) data) OP *((balance_t *) value.data); \
break; \
\
case BALANCE_PAIR: \
*((balance_pair_t *) data) OP *((balance_t *) value.data); \
break; \
\
default: \
assert(0); \
break; \
} \
break; \
\
case BALANCE_PAIR: \
switch (type) { \
case BOOLEAN: \
case INTEGER: \
case AMOUNT: \
case BALANCE: \
cast(BALANCE_PAIR); \
\
case BALANCE_PAIR: \
*((balance_pair_t *) data) OP *((balance_pair_t *) value.data); \
break; \
\
default: \
assert(0); \
break; \
} \
break; \
\
default: \
assert(0); \
break; \
} \
return *this; \
}
DEF_VALUE_OP(+=)
DEF_VALUE_OP(-=)
DEF_VALUE_OP(*=)
DEF_VALUE_OP(/=)
value_t& value_t::operator +=(const transaction_t& xact)
{
switch (type) {
case BOOLEAN:
case INTEGER:
cast(AMOUNT);
case AMOUNT:
if (xact.cost) {
cast(BALANCE_PAIR);
return *this += xact;
}
else if (((amount_t *) data)->commodity &&
((amount_t *) data)->commodity != xact.amount.commodity) {
cast(BALANCE);
return *this += xact;
}
*((amount_t *) data) += xact.amount;
break;
case BALANCE:
if (xact.cost) {
cast(BALANCE_PAIR);
return *this += xact;
}
*((balance_t *) data) += xact.amount;
break;
case BALANCE_PAIR:
*((balance_pair_t *) data) += xact;
break;
default:
assert(0);
break;
}
return *this;
}
#define DEF_VALUE_CMP_OP(OP) \
bool value_t::operator OP(const value_t& value) \
{ \
switch (value.type) { \
case BOOLEAN: \
switch (type) { \
case BOOLEAN: \
return *((bool *) data) OP *((bool *) value.data); \
\
case INTEGER: \
return bool(*((unsigned int *) data)) OP *((bool *) value.data); \
\
case AMOUNT: \
return bool(*((amount_t *) data)) OP *((bool *) value.data); \
\
case BALANCE: \
return bool(*((balance_t *) data)) OP *((bool *) value.data); \
\
case BALANCE_PAIR: \
return bool(*((balance_pair_t *) data)) OP *((bool *) value.data); \
\
default: \
assert(0); \
break; \
} \
break; \
\
case INTEGER: \
switch (type) { \
case BOOLEAN: \
return ((unsigned int) *((bool *) data)) OP *((unsigned int *) value.data); \
\
case INTEGER: \
return *((unsigned int *) data) OP *((unsigned int *) value.data); \
\
case AMOUNT: \
return ((unsigned int) *((amount_t *) data)) OP *((unsigned int *) value.data); \
\
case BALANCE: \
return ((unsigned int) *((balance_t *) data)) OP *((unsigned int *) value.data); \
\
case BALANCE_PAIR: \
return ((unsigned int) *((balance_pair_t *) data)) OP *((unsigned int *) value.data); \
\
default: \
assert(0); \
break; \
} \
break; \
\
case AMOUNT: \
switch (type) { \
case BOOLEAN: \
return amount_t(*((bool *) data)) OP *((amount_t *) value.data); \
\
case INTEGER: \
return amount_t(*((unsigned int *) data)) OP *((amount_t *) value.data); \
\
case AMOUNT: \
return *((amount_t *) data) OP *((amount_t *) value.data); \
\
case BALANCE: \
return ((balance_t *) data)->amount(((amount_t *) value.data)->commodity) OP *((amount_t *) value.data); \
\
case BALANCE_PAIR: \
return ((balance_pair_t *) data)->quantity.amount(((amount_t *) value.data)->commodity) OP *((amount_t *) value.data); \
\
default: \
assert(0); \
break; \
} \
break; \
\
case BALANCE: \
switch (type) { \
case BOOLEAN: \
return balance_t(*((bool *) data)) OP *((balance_t *) value.data); \
\
case INTEGER: \
return balance_t(*((unsigned int *) data)) OP *((balance_t *) value.data); \
\
case AMOUNT: \
return balance_t(*((amount_t *) data)) OP *((balance_t *) value.data); \
\
case BALANCE: \
return *((balance_t *) data) OP *((balance_t *) value.data); \
\
case BALANCE_PAIR: \
return *((balance_pair_t *) data) OP *((balance_t *) value.data); \
\
default: \
assert(0); \
break; \
} \
break; \
\
case BALANCE_PAIR: \
switch (type) { \
case BOOLEAN: \
return balance_pair_t(*((bool *) data)) OP *((balance_pair_t *) value.data); \
\
case INTEGER: \
return balance_pair_t(*((unsigned int *) data)) OP *((balance_pair_t *) value.data); \
\
case AMOUNT: \
return balance_pair_t(*((amount_t *) data)) OP *((balance_pair_t *) value.data); \
\
case BALANCE: \
return balance_pair_t(*((balance_t *) data)) OP *((balance_pair_t *) value.data); \
\
case BALANCE_PAIR: \
return *((balance_pair_t *) data) OP *((balance_pair_t *) value.data); \
\
default: \
assert(0); \
break; \
} \
break; \
\
default: \
assert(0); \
break; \
} \
return *this; \
}
DEF_VALUE_CMP_OP(==)
DEF_VALUE_CMP_OP(<)
DEF_VALUE_CMP_OP(<=)
DEF_VALUE_CMP_OP(>)
DEF_VALUE_CMP_OP(>=)
void value_t::cast(type_t cast_type)
{
switch (type) {
case BOOLEAN:
switch (cast_type) {
case BOOLEAN:
break;
case INTEGER:
*((unsigned int *) data) = *((bool *) data);
break;
case AMOUNT:
new((amount_t *)data) amount_t(*((bool *) data));
break;
case BALANCE:
new((balance_t *)data) balance_t(*((bool *) data));
break;
case BALANCE_PAIR:
new((balance_pair_t *)data) balance_pair_t(*((bool *) data));
break;
default:
assert(0);
break;
}
break;
case INTEGER:
switch (cast_type) {
case BOOLEAN:
*((bool *) data) = *((unsigned int *) data);
break;
case INTEGER:
break;
case AMOUNT:
new((amount_t *)data) amount_t(*((unsigned int *) data));
break;
case BALANCE:
new((balance_t *)data) balance_t(*((unsigned int *) data));
break;
case BALANCE_PAIR:
new((balance_pair_t *)data) balance_pair_t(*((unsigned int *) data));
break;
default:
assert(0);
break;
}
break;
case AMOUNT:
switch (cast_type) {
case BOOLEAN: {
bool temp = *((amount_t *) data);
destroy();
*((bool *)data) = temp;
break;
}
case INTEGER: {
unsigned int temp = *((amount_t *) data);
destroy();
*((unsigned int *)data) = temp;
break;
}
case AMOUNT:
break;
case BALANCE: {
amount_t temp = *((amount_t *) data);
destroy();
new((balance_t *)data) balance_t(temp);
break;
}
case BALANCE_PAIR: {
amount_t temp = *((amount_t *) data);
destroy();
new((balance_pair_t *)data) balance_pair_t(temp);
break;
}
default:
assert(0);
break;
}
break;
case BALANCE:
switch (cast_type) {
case BOOLEAN: {
bool temp = *((balance_t *) data);
destroy();
*((bool *)data) = temp;
break;
}
case INTEGER: {
unsigned int temp = ((balance_t *) data)->amount();
destroy();
*((unsigned int *)data) = temp;
break;
}
case AMOUNT: {
amount_t temp = ((balance_t *) data)->amount();
destroy();
new((amount_t *)data) amount_t(temp);
break;
}
case BALANCE:
break;
case BALANCE_PAIR: {
balance_t temp = *((balance_t *) data);
destroy();
new((balance_pair_t *)data) balance_pair_t(temp);
break;
}
default:
assert(0);
break;
}
break;
case BALANCE_PAIR:
switch (cast_type) {
case BOOLEAN: {
bool temp = *((balance_pair_t *) data);
destroy();
*((bool *)data) = temp;
break;
}
case INTEGER: {
unsigned int temp = ((balance_pair_t *) data)->quantity.amount();
destroy();
*((unsigned int *)data) = temp;
break;
}
case AMOUNT: {
amount_t temp = ((balance_pair_t *) data)->quantity.amount();
destroy();
new((amount_t *)data) amount_t(temp);
break;
}
case BALANCE: {
balance_t temp = ((balance_pair_t *) data)->quantity;
destroy();
new((balance_t *)data) balance_t(temp);
break;
}
case BALANCE_PAIR:
break;
default:
assert(0);
break;
}
break;
default:
assert(0);
break;
}
type = cast_type;
}
void value_t::negate()
{
switch (type) {
case BOOLEAN:
*((bool *) data) = ! *((bool *) data);
break;
case INTEGER:
*((unsigned int *) data) = - *((unsigned int *) data);
break;
case AMOUNT:
((amount_t *) data)->negate();
break;
case BALANCE:
((balance_t *) data)->negate();
break;
case BALANCE_PAIR:
((balance_pair_t *) data)->negate();
break;
default:
assert(0);
break;
}
}
void value_t::abs()
{
switch (type) {
case BOOLEAN:
break;
case INTEGER:
if (*((unsigned int *) data) < 0)
*((unsigned int *) data) = - *((unsigned int *) data);
break;
case AMOUNT:
((amount_t *) data)->abs();
break;
case BALANCE:
((balance_t *) data)->abs();
break;
case BALANCE_PAIR:
((balance_pair_t *) data)->abs();
break;
default:
assert(0);
break;
}
}
value_t value_t::cost() const
{
switch (type) {
case BOOLEAN:
case INTEGER:
case AMOUNT:
case BALANCE:
return *this;
case BALANCE_PAIR:
assert(((balance_pair_t *) data)->cost);
if (((balance_pair_t *) data)->cost)
return *(((balance_pair_t *) data)->cost);
else
return ((balance_pair_t *) data)->quantity;
default:
assert(0);
break;
}
assert(0);
return value_t();
}
} // namespace ledger