Class UniString

libs/base/string_utils.hpp:29–80

Make new type, not typedef. Need to specialize DebugPrint.

/// Make new type, not typedef. Need to specialize DebugPrint.
class UniString : public buffer_vector<UniChar, 32>
{
  using BaseT = buffer_vector<UniChar, 32>;

public:
  static UniString kSpace;

  using value_type = UniChar;

  UniString() = default;
  explicit UniString(size_t n) : BaseT(n) {}
  UniString(size_t n, UniChar c) { resize(n, c); }

  template <typename Iter>
  UniString(Iter b, Iter e) : BaseT(b, e)
  {}

  bool IsEqualAscii(char const * s) const;

  UniString & operator+=(UniString const & rhs)
  {
    append(rhs);
    return *this;
  }

  UniString operator+(UniString const & rhs) const
  {
    UniString result(*this);
    result += rhs;
    return result;
  }

  template <class Iter>
  void Replace(iterator first, iterator last, Iter first2, Iter last2)
  {
    auto it = first;
    auto it2 = first2;
    for (; it < last && it2 < last2; ++it, ++it2)
      *it = *it2;

    if (it == last && it2 == last2)
      return;

    if (it == last)
    {
      insert(it, it2, last2);
      return;
    }

    erase(it, last);
  }
};

/// Performs full case folding for string to make it search-compatible according
/// to rules in ftp://ftp.unicode.org/Public/UNIDATA/CaseFolding.txt