void string_printf::g_run(string_base & out,const char * fmt,va_list list)
{
out.reset();
while(*fmt)
{
if (*fmt=='%')
{
fmt++;
if (*fmt=='%')
{
out.add_char('%');
fmt++;
}
else
{
bool force_sign = false;
if (*fmt=='+')
{
force_sign = true;
fmt++;
}
char padchar = (*fmt == '0') ? '0' : ' ';
t_size pad = 0;
while(*fmt>='0' && *fmt<='9')
{
pad = pad * 10 + (*fmt - '0');
fmt++;
}
if (*fmt=='s' || *fmt=='S')
{
const char * ptr = va_arg(list,const char*);
t_size len = strlen(ptr);
if (pad>len) out.add_chars(padchar,pad-len);
out.add_string(ptr);
fmt++;
}
else if (*fmt=='i' || *fmt=='I' || *fmt=='d' || *fmt=='D')
{
char temp[8*sizeof(int)];
int val = va_arg(list,int);
if (force_sign && val>0) out.add_char('+');
_itoa_s(val,temp,10);
t_size len = strlen(temp);
if (pad>len) out.add_chars(padchar,pad-len);
out.add_string(temp);
fmt++;
}
else if (*fmt=='u' || *fmt=='U')
void stringToLowerAppend(string_base & out, const char * src, t_size len) {
while(len && *src) {
unsigned c; t_size d;
d = utf8_decode_char(src,c,len);
if (d==0 || d>len) break;
out.add_char(charLower(c));
src+=d;
len-=d;
}
}
