#if !defined(INCLUDED_CHARACTER_H)
#define INCLUDED_CHARACTER_H

/// \file
/// \brief Character encoding.

/// \brief Returns true if \p c is an ASCII character that can be represented with 7 bits.
inline bool char_is_ascii(char c)
{
  return (c & 0x80) == 0;
}

/// \brief Returns true if \p string consists entirely of ASCII characters.
inline bool string_is_ascii(const char* string)
{
  while(*string != '\0')
  {
    if(!char_is_ascii(*string++))
    {
      return false;
    }
  }
  return true;
}

#endif