StringBuffer& StringBuffer::insert(size_t __pos,const short& __n)
{
//m_cache_str.insert(__pos,Number::toString((int)__n));
m_cache_str.insert(__pos,number_to_str(__n)) ;
return *this;
}
static inline jsstr_t *number_to_fixed(double val, int prec)
{
WCHAR buf[NUMBER_DTOA_SIZE];
int dec_point, size, buf_size, buf_pos;
BOOL neg = FALSE;
jsstr_t *ret;
WCHAR *str;
TRACE("%lf %d\n", val, prec);
if(val < 0) {
neg = TRUE;
val = -val;
}
if(val >= 1)
buf_size = log10(val)+prec+2;
else
buf_size = prec ? prec+1 : 2;
if(buf_size > NUMBER_DTOA_SIZE)
buf_size = NUMBER_DTOA_SIZE;
number_to_str(val, buf, buf_size, &dec_point);
dec_point++;
size = 0;
if(neg)
size++;
if(dec_point > 0)
size += dec_point;
else
size++;
if(prec)
size += prec+1;
str = jsstr_alloc_buf(size, &ret);
if(!ret)
return NULL;
size = buf_pos = 0;
if(neg)
str[size++] = '-';
if(dec_point > 0) {
for(; buf_pos<buf_size-1 && dec_point; dec_point--)
str[size++] = buf[buf_pos++];
} else {
str[size++] = '0';
}
for(; dec_point>0; dec_point--)
str[size++] = '0';
if(prec) {
str[size++] = '.';
for(; dec_point<0 && prec; dec_point++, prec--)
str[size++] = '0';
for(; buf_pos<buf_size-1 && prec; prec--)
str[size++] = buf[buf_pos++];
for(; prec; prec--) {
str[size++] = '0';
}
}
str[size++] = 0;
return ret;
}
static inline jsstr_t *number_to_exponential(double val, int prec)
{
WCHAR buf[NUMBER_DTOA_SIZE], *pbuf;
int dec_point, size, buf_size, exp_size = 1;
BOOL neg = FALSE;
jsstr_t *ret;
WCHAR *str;
if(val < 0) {
neg = TRUE;
val = -val;
}
buf_size = prec+2;
if(buf_size<2 || buf_size>NUMBER_DTOA_SIZE)
buf_size = NUMBER_DTOA_SIZE;
number_to_str(val, buf, buf_size, &dec_point);
buf_size--;
if(prec == -1)
for(; buf_size>1 && buf[buf_size-1]=='0'; buf_size--)
buf[buf_size-1] = 0;
size = 10;
while(dec_point>=size || dec_point<=-size) {
size *= 10;
exp_size++;
}
if(buf_size == 1)
size = buf_size+2+exp_size; /* 2 = strlen(e+) */
else if(prec == -1)
size = buf_size+3+exp_size; /* 3 = strlen(.e+) */
else
size = prec+4+exp_size; /* 4 = strlen(0.e+) */
if(neg)
size++;
str = jsstr_alloc_buf(size, &ret);
if(!ret)
return NULL;
size = 0;
pbuf = buf;
if(neg)
str[size++] = '-';
str[size++] = *pbuf++;
if(buf_size != 1) {
str[size++] = '.';
while(*pbuf)
str[size++] = *pbuf++;
for(; prec>buf_size-1; prec--)
str[size++] = '0';
}
str[size++] = 'e';
if(dec_point >= 0) {
str[size++] = '+';
} else {
str[size++] = '-';
dec_point = -dec_point;
}
size += exp_size;
do {
str[--size] = '0'+dec_point%10;
dec_point /= 10;
} while(dec_point>0);
size += exp_size;
str[size] = 0;
return ret;
}
StringBuffer& StringBuffer::insert(size_t __pos,const unsigned long long & __n)
{
//m_cache_str.insert(__pos,Number::toString(__n));
m_cache_str.insert(__pos,number_to_str(__n)) ;
return *this;
}
