Class StringView

source/core/StarStringView.hpp:12–115

This is a StringView version of Star::String I literally just copy-pasted it all from there

// This is a StringView version of Star::String
// I literally just copy-pasted it all from there
class StringView {
public:
  typedef String::Char Char;

  typedef U8ToU32Iterator<std::string_view::const_iterator> const_iterator;
  typedef Char value_type;
  typedef value_type const& const_reference;

  using CaseSensitivity = String::CaseSensitivity;

  StringView();
  StringView(StringView const& s);
  StringView(StringView&& s) noexcept;
  StringView(String const& s);

  // These assume utf8 input
  StringView(char const* s);
  StringView(char const* s, size_t n);
  StringView(std::string_view const& s);
  StringView(std::string_view&& s) noexcept;
  StringView(std::string const& s);

  StringView(Char const* s);
  StringView(Char const* s, size_t n);

  // const& to internal utf8 data
  std::string_view const& utf8() const;
  std::string_view takeUtf8();
  ByteArray utf8Bytes() const;
  // Pointer to internal utf8 data, null-terminated.
  char const* utf8Ptr() const;
  size_t utf8Size() const;

  const_iterator begin() const;
  const_iterator end() const;

  size_t size() const;
  size_t length() const;

  bool empty() const;

  Char operator[](size_t index) const;
  // Throws StringException if i out of range.
  Char at(size_t i) const;

  bool endsWith(StringView end, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
  bool endsWith(Char end, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
  bool beginsWith(StringView beg, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;
  bool beginsWith(Char beg, CaseSensitivity cs = CaseSensitivity::CaseSensitive) const;

  typedef function<void(StringView, size_t, size_t)> SplitCallback;
  void forEachSplitAnyView(StringView pattern, SplitCallback) const;
  void forEachSplitView(StringView pattern, SplitCallback) const;

  bool hasChar(Char c) const;
  // Identical to hasChar, except, if string is empty, tests if c is
  // whitespace.
  bool hasCharOrWhitespace(Char c) const;