structo/fields.hpp at main · big-keva/structo · GitHub

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# if !defined( __structo_fields_hpp__ )
# define __structo_fields_hpp__
# include <string_view>

namespace structo {

  struct FieldOptions
  {
    struct indentation
    {
      struct { unsigned min; unsigned max; }  lower;
      struct { unsigned min; unsigned max; }  upper;
    };

    enum: unsigned
    {
      ofNoBreakWords = 0x00000001,
      ofKeywordsOnly = 0x00000002,
      ofDisableIndex = 0x00010000,
      ofDisableQuote = 0x00020000,
      ofEnforceQuote = 0x00040000
    };

    enum: unsigned
    {
      defined_NoBreakWords = 0x00000001,
      defined_KeywordsOnly = 0x00000002,
      defined_DisableIndex = 0x00000004,

      defined_QuoteOptions = 0x00000006,

      defined_weight       = 0x00010000,
      defined_indents      = 0x00020000,
      defined_id           = 0x00040000
    };

    unsigned          id;
    std::string_view  name;
    double            weight = 1.0;
    unsigned          options = 0;
    unsigned          defined = 0;
    indentation       indents = default_indents;

    static constexpr indentation default_indents = { { 2, 8 }, { 2, 8 } };
  };

  struct FieldHandler
  {
    virtual auto  Add( const std::string_view& ) ->             FieldOptions* = 0;
    virtual auto  Get( const std::string_view& ) const -> const FieldOptions* = 0;
    virtual auto  Get( unsigned                ) const -> const FieldOptions* = 0;
  };

}

# endif   // !__structo_fields_hpp__