void print(double val, buffered_ostream<CharT>& os)
{
vs_.reset();
vs_ << val;
const CharT* s = vs_.data();
const CharT* se = s + vs_.length();
bool dot = false;
while (s < se)
{
if (*s == '.')
{
dot = true;
}
else if (*s == 'e')
{
if (!dot)
{
os.put('.');
os.put('0');
dot = true;
}
}
os.put(*s);
++s;
}
if (!dot)
{
os.put('.');
os.put('0');
}
}
void do_name(const CharT* name, size_t length) override
{
begin_element();
bos_.put('\"');
escape_string<CharT>(name, length, format_, bos_);
bos_.put('\"');
bos_.put(':');
}
void do_end_array() override
{
unindent();
if (indenting_ && !stack_.empty() && stack_.back().content_indented_)
{
write_indent();
}
stack_.pop_back();
bos_.put(']');
end_value();
}
void do_begin_array() override
{
begin_structure();
if (indenting_ && !stack_.empty() && stack_.back().is_object())
{
write_indent();
}
stack_.push_back(stack_item(false));
bos_.put('[');
indent();
}
void do_end_object() override
{
unindent();
if (indenting_ && !stack_.empty())
{
write_indent();
}
stack_.pop_back();
bos_.put('}');
end_value();
}
void print(double val, buffered_ostream<CharT>& os)
{
char buf[_CVTBUFSIZE];
int decimal_point = 0;
int sign = 0;
if (precision_ >= _CVTBUFSIZE)
{
precision_ = _CVTBUFSIZE - 1;
}
int err = _ecvt_s(buf, _CVTBUFSIZE, val, precision_, &decimal_point, &sign);
if (err != 0)
{
throw std::runtime_error("Failed attempting double to string conversion");
}
char* s = buf;
char* se = s + precision_;
int i, k;
int j;
if (sign)
{
os.put('-');
}
if (decimal_point <= -4 || decimal_point > se - s + 5)
{
os.put(*s++);
if (s < se)
{
os.put('.');
while ((se-1) > s && *(se-1) == '0')
{
--se;
}
while(s < se)
{
os.put(*s++);
}
}
os.put('e');
/* sprintf(b, "%+.2d", decimal_point - 1); */
if (--decimal_point < 0) {
os.put('-');
decimal_point = -decimal_point;
}
else
os.put('+');
for(j = 2, k = 10; 10*k <= decimal_point; j++, k *= 10);
for(;;)
{
i = decimal_point / k;
os.put(i + '0');
if (--j <= 0)
break;
decimal_point -= i*k;
decimal_point *= 10;
}
}
else if (decimal_point <= 0)
{
os.put('0');
os.put('.');
while ((se-1) > s && *(se-1) == '0')
{
--se;
}
for(; decimal_point < 0; decimal_point++)
{
os.put('0');
}
while(s < se)
{
os.put(*s++);
}
}
else {
while(s < se)
{
os.put(*s++);
if ((--decimal_point == 0) && s < se)
{
os.put('.');
while ((se-1) > s && *(se-1) == '0')
{
--se;
}
}
}
for(; decimal_point > 0; decimal_point--)
{
os.put('0');
}
}
}