Method Count

src/Nazara/Core/String.cpp:354–389

	*/

	unsigned int String::Count(char character, std::intmax_t start, UInt32 flags) const
	{
		if (character == '\0' || m_sharedString->size == 0)
			return 0;

		if (start < 0)
			start = std::max<std::size_t>(m_sharedString->size + start, 0);

		std::size_t pos = static_cast<std::size_t>(start);
		if (pos >= m_sharedString->size)
			return 0;

		char* str = &m_sharedString->string[pos];
		unsigned int count = 0;
		if (flags & CaseInsensitive)
		{
			char character_lower = Detail::ToLower(character);
			char character_upper = Detail::ToUpper(character);
			do
			{
				if (*str == character_lower || *str == character_upper)
					count++;
			}
			while (*++str);
		}
		else
		{
			while ((str = std::strchr(str, character)) != nullptr)
			{
				count++;
				str++;
			}
		}

		return count;
	}

	/*!
	* \brief Counts the number of occurrences in the string