Method SubString

src/Nazara/Core/String.cpp:3858–3882

	*/

	String String::SubString(std::intmax_t startPos, std::intmax_t endPos) const
	{
		if (startPos < 0)
			startPos = std::max<std::size_t>(m_sharedString->size + startPos, 0);

		std::size_t start = static_cast<std::size_t>(startPos);

		if (endPos < 0)
		{
			endPos = m_sharedString->size+endPos;
			if (endPos < 0)
				return String();
		}

		std::size_t minEnd = std::min(static_cast<std::size_t>(endPos), m_sharedString->size - 1);
		if (start > minEnd || start >= m_sharedString->size)
			return String();

		std::size_t size = minEnd - start + 1;

		auto str = std::make_shared<SharedString>(size);
		std::memcpy(str->string.get(), &m_sharedString->string[start], size);

		return String(std::move(str));
	}

	/*!
	* \brief Returns a sub string of the string from a character