size_t utf8_size(InputIterator first, InputIterator last, UTF16Type)
{
size_t len = 0;
for (; first < last; ++first)
{
unsigned int c = *first;
if (c < 0x80) // U+0000 - U+007F
{
len += 1;
}
else if (c < 0x0800) // U+0100 - U+07FF
{
len += 2;
}
else if (0xd800 != (0xf800 & c)) // U+0800 - U+D7FF, U+E000 - U+FFFF
{
len += 3;
}
else if (c < 0xdc00) // U+D800 - U+DBFF
{
++first;
if (first == last)
{
HPROSE_THROW_EXCEPTION("Surrogate pair split between fragments");
}
c = *first;
if (0xdc00 == (0xfc00 & c))
{
len += 4;
}
else
{
HPROSE_THROW_EXCEPTION("Got a high Surrogate but no low surrogate");
}
}
else // U+DC00 - U+DFFF
{
HPROSE_THROW_EXCEPTION("got a low Surrogate but no high surrogate");
}
}
return len;
}
std::ostream & httpclient::get_output_stream(void * context)
{
if (context)
{
return (static_cast<httpcontext *>(context))->request_stream;
}
else
{
HPROSE_THROW_EXCEPTION("Can''t get output stream.");
}
}
std::istream & httpclient::get_input_stream(void * context)
{
if (context)
{
return (static_cast<httpcontext *>(context))->response_stream;
}
else
{
HPROSE_THROW_EXCEPTION("Can''t get input stream.");
}
}
size_t utf8_size(InputIterator first, InputIterator last, UTF32Type)
{
size_t len = 0;
for (; first < last; ++first)
{
unsigned int c = *first;
if (c < 0x80) // U+0000 - U+007F
{
len += 1;
}
else if (c < 0x0800) // U+0100 - U+07FF
{
len += 2;
}
else if (c < 0xd800) // U+0800 - U+D7FF
{
len += 3;
}
else if (c < 0xe000) // U+D800 - U+DFFF
{
HPROSE_THROW_EXCEPTION("Surrogate values are illegal");
}
else if (c < 0x10000) // U+E000 - U+FFFF
{
len += 3;
}
else if (c < 0x0010ffff)
{
len += 4;
}
else
{
HPROSE_THROW_EXCEPTION("Not a UTF-32 string");
}
}
return len;
}
size_t utf8_length(InputIterator first, InputIterator last, UTF16Type)
{
size_t len = 0;
for (; first < last; ++len)
{
if (is_ascii(*first))
{
first += 1;
}
else if (is_2byte(*first))
{
first+= 2;
}
else if (is_3byte(*first))
{
first += 3;
}
else if (is_4byte(*first))
{
first += 4;
++len;
}
else if (is_5byte(*first))
{
first += 5;
}
else if (is_6byte(*first))
{
first += 6;
}
else
{
break;
}
}
if (first != last)
{
HPROSE_THROW_EXCEPTION("Not a UTF-8 string");
}
return len;
}
tm * get_local_tm(tm * ptm) const
{
if (ptm)
{
#if __STDC_WANT_LIB_EXT1__
localtime_s(&time, ptm);
#elif __STDC_WANT_SECURE_LIB__
localtime_s(ptm, &time);
#else
*ptm = *localtime(&time);
#endif
return ptm;
}
else
{
#if (__STDC_WANT_LIB_EXT1__ || __STDC_WANT_SECURE_LIB__)
HPROSE_THROW_EXCEPTION("Points to the buffer can't be NULL!");
#else
return localtime(&time);
#endif
}
}
