const decimal_field_instruction *
decimal_field_instruction::default_instruction() {
static const decimal_field_instruction inst(operator_none, presence_mandatory,
0, "", "", nullptr,
decimal_value_storage());
return &inst;
}
field_op::field_op(const decimal_field_instruction *inst,
const XMLElement *element, arena_allocator &alloc)
: op_(inst->field_operator()), context_(inst->op_context()),
initial_value_(inst->initial_value()), alloc_(&alloc) {
if (element) {
const XMLElement *field_op_element = find_field_op_element(*element);
if (field_op_element) {
parse_field_op(*field_op_element, alloc);
const char *init_value_str =
get_optional_attr(*field_op_element, "value", nullptr);
if (init_value_str) {
if (strcmp(element->Name(), "exponent") != 0)
initial_value_.set(boost::lexical_cast<int64_t>(init_value_str));
else {
short exp = 128;
try {
exp = boost::lexical_cast<short>(init_value_str);
} catch (...) {
}
if (exp > 63 || exp < -63) {
BOOST_THROW_EXCEPTION(
fast_dynamic_error("D11")
<< reason_info(std::string("Invalid exponent initial value: ") +
init_value_str));
}
initial_value_ =
decimal_value_storage(0, static_cast<uint16_t>(exp)).storage_;
}
}
}
}
}