text_reader.hpp

Go to the documentation of this file.

#pragma once
#include "../array.hpp"
#include "../core_export.hpp"
#include "../object.hpp"
#include "../span.hpp"
#include "../string.hpp"
#include <cstdio>
#include <istream>
#include <string>

namespace xtd {
  namespace io {
    class null_text_reader;
    class synchronized_text_reader;
    
    class core_export_ text_reader : public xtd::object {
    public:
      
      static null_text_reader& null() noexcept;
      
      
      virtual auto close() -> void;
      
      [[nodiscard]] virtual auto peek() const -> xtd::int32;
      
      [[nodiscard]] virtual auto read() -> xtd::int32;
      
      virtual auto read(xtd::span<char>& buffer) -> xtd::size;
      
      virtual auto read(xtd::array<char>& buffer, xtd::size index, xtd::size count) -> xtd::size;
      
      virtual auto read_block(xtd::span<char>& buffer) -> xtd::size;
      
      virtual auto read_block(xtd::array<char>& buffer, xtd::size index, xtd::size count) -> xtd::size;
      
      [[nodiscard]] virtual auto read_line() -> xtd::string;
      
      [[nodiscard]] virtual auto read_to_end() -> xtd::string;
      
      
      [[nodiscard]] static auto synchronised(text_reader& reader) noexcept -> synchronized_text_reader;
      
    protected:
      
      text_reader() = default;
    };
    
    class core_export_ null_text_reader : public xtd::io::text_reader {
    public:
      
      [[nodiscard]] auto read() -> xtd::int32 override;
    };
    
    class core_export_ synchronized_text_reader : public xtd::io::text_reader {
    public:
      
      [[nodiscard]] auto read() -> xtd::int32 override;
      
    private:
      friend class text_reader;
      explicit synchronized_text_reader(xtd::io::text_reader& reader);
      synchronized_text_reader() = delete;
      xtd::io::text_reader& reader_;
    };
  }
}