예제 #1
0
		inline double double_from_string(StringView & i_source)
		{
			char temp[256];
			i_source.copy_to_cstr(temp);
			char * end = nullptr;
			const double result = strtod(temp, &end);
			REFLECTIVE_INTERNAL_ASSERT(end != nullptr && end >= temp);
			i_source.remove_prefix(end - temp);
			return result;
		}
예제 #2
0
파일: sink.hpp 프로젝트: u3shit/neptools
    void Write(StringView data)
    {
        NEPTOOLS_CHECK(SinkOverflow, offset+buf_put+data.length() <= size,
                       "Sink overflow during write");
        auto cp = std::min(data.length(), size_t(buf_size - buf_put));
        memcpy(buf+buf_put, data.data(), cp);
        data.remove_prefix(cp);
        buf_put += cp;

        if (!data.empty()) Write_(data);
    }
예제 #3
0
			inline bool uint_from_string(StringView & i_source, OutBufferTextStream & i_error_buffer, INT_TYPE & o_value)
		{
			static_assert(!std::numeric_limits<INT_TYPE>::is_signed, "uint_from_string is for unsigned ints");

			i_source.remove_prefix_writespaces();			

			const bool hex = i_source.remove_prefix_literal("0x") || i_source.remove_prefix_literal("0X");
			
			const char * curr_digit = i_source.data();
			const char * const end_of_buffer = curr_digit + i_source.length();
			INT_TYPE result = 0;
			if (hex)
			{
				while (curr_digit < end_of_buffer)
				{
					if (*curr_digit >= '0' && *curr_digit <= '9')
					{
						result *= 16;
						result += *curr_digit - '0';
					}
					else if (*curr_digit >= 'A' && *curr_digit <= 'F')
					{
						result *= 16;
						result += *curr_digit - 'A';
					}
					else if (*curr_digit >= 'a' && *curr_digit <= 'f')
					{
						result *= 16;
						result += *curr_digit - 'a';
					}
					else
					{
						break;
					}
					curr_digit++;
				}
			}
			else
			{
				while (curr_digit < end_of_buffer)
				{
					if (*curr_digit >= '0' && *curr_digit <= '9')
					{
						result *= 10;
						result += *curr_digit - '0';
					}
					else
					{
						break;
					}
					curr_digit++;
				}
			}

			const size_t accepted_digits = curr_digit - i_source.data();
			if (accepted_digits == 0)
			{
				i_error_buffer << "missing digits";
			}

			i_source.remove_prefix(accepted_digits);

			o_value = result;
			return accepted_digits > 0;
		}