Function MsgPrintHelper

src/common/classes/MsgPrint.cpp:173–231

Prints one specific item in the array of type-safe arguments. Assumes item is valid.

// Prints one specific item in the array of type-safe arguments.
// Assumes item is valid.
int MsgPrintHelper(BaseStream& out_stream, const safe_cell& item)
{
	switch (item.type)
	{
	case safe_cell::at_char:
	case safe_cell::at_uchar: // For now, treat UCHAR same as char.
		return out_stream.write(&item.c_value, 1);
	//case safe_cell::at_int16:
	//case safe_cell::at_int32:
	case safe_cell::at_int64:
		{
			char s[DECODE_BUF_SIZE];
			int n = decode(item.i_value, s);
			return out_stream.write(s, n);
		}
	case safe_cell::at_uint64:
		{
			char s[DECODE_BUF_SIZE];
			int n = decode(static_cast<uint64_t>(item.i_value), s);
			return out_stream.write(s, n);
		}
	case safe_cell::at_int128:
		{
			// Warning: useless display in real life
			char s[DECODE_BUF_SIZE];
			int n = decode(item.i128_value.high, s);
			int n2 = out_stream.write(s, n) + out_stream.write(".", 1);
			n = decode(item.i128_value.low, s);
			return n2 + out_stream.write(s, n);
		}
	case safe_cell::at_double:
		{
			char s[DECODE_BUF_SIZE];
			int n = decode(item.d_value, s);
			return out_stream.write(s, n);
		}
	case safe_cell::at_str:
		{
			const char* s = item.st_value.s_string;
			if (!s)
				s = "(null)";

			size_t n = strlen(s);
			if (n > MAX_STRING)
				n = MAX_STRING;

			return out_stream.write(s, static_cast<unsigned>(n));
		}
	case safe_cell::at_ptr:
		{
			uint64_t v = reinterpret_cast<uint64_t>(item.p_value);
			char s[DECODE_BUF_SIZE];
			int n = decode(v, s, 16);
			return out_stream.write(s, n);
		}
	default: // safe_cell::at_none and whatever out of range.
		return out_stream.write("(unknown)", 9);
	}