.. _program_listing_file_uri-template_Operator.h:

Program Listing for File Operator.h
===================================

|exhale_lsh| :ref:`Return to documentation for file <file_uri-template_Operator.h>` (``uri-template/Operator.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #pragma once
   
   #include <memory>
   #include <vector>
   
   namespace URI {
   namespace Template {
   
   enum class OperatorType
   {
       NONE, 
       RESERVED_CHARS, 
       FRAGMENT, 
       LABEL, 
       PATH, 
       PATH_PARAMETER, 
       QUERY, 
       QUERY_CONTINUE 
   };
   
   class Operator
   {
   public:
       static const char kNoCharacter; 
   
       virtual ~Operator() = default;
   
       virtual OperatorType Type() const = 0;
       virtual char Start() const = 0;
       virtual char First() const = 0;
       virtual char Separator() const = 0;
       virtual bool Named() const = 0;
       virtual bool EmptyEq() const = 0;
       virtual bool Reserved() const = 0;
       virtual bool StartExpanded() const = 0;
   };
   
   class OpNoop: public Operator
   {
   public:
       OpNoop() = default;
       virtual ~OpNoop() = default;
   
       virtual OperatorType Type() const override;
   
       virtual char Start() const override;
   
       virtual char First() const override;
   
       virtual char Separator() const override;
   
       virtual bool Named() const override;
   
       virtual bool EmptyEq() const override;
   
       virtual bool Reserved() const override;
   
       virtual bool StartExpanded() const override;
   };
   
   class OpReservedChars: public OpNoop
   {
   public:
       OpReservedChars() = default;
       virtual ~OpReservedChars() = default;
   
       virtual OperatorType Type() const override;
   
       virtual char Start() const override;
   
       virtual bool Reserved() const override;
   };
   
   class OpFragment: public Operator
   {
   public:
       OpFragment() = default;
       virtual ~OpFragment() = default;
   
       virtual OperatorType Type() const override;
   
       virtual char Start() const override;
   
       virtual char First() const override;
   
       virtual char Separator() const override;
   
       virtual bool Named() const override;
   
       virtual bool EmptyEq() const override;
   
       virtual bool Reserved() const override;
   
       virtual bool StartExpanded() const override;
   };
   
   class OpLabel: public Operator
   {
   public:
       OpLabel() = default;
       virtual ~OpLabel() = default;
   
       virtual OperatorType Type() const override;
   
       virtual char Start() const override;
   
       virtual char First() const override;
   
       virtual char Separator() const override;
   
       virtual bool Named() const override;
   
       virtual bool EmptyEq() const override;
   
       virtual bool Reserved() const override;
   
       virtual bool StartExpanded() const override;
   };
   
   class OpPath: public Operator
   {
   public:
       OpPath() = default;
       virtual ~OpPath() = default;
   
       virtual OperatorType Type() const override;
   
       virtual char Start() const override;
   
       virtual char First() const override;
   
       virtual char Separator() const override;
   
       virtual bool Named() const override;
   
       virtual bool EmptyEq() const override;
   
       virtual bool Reserved() const override;
   
       virtual bool StartExpanded() const override;
   };
   
   class OpPathParam: public Operator
   {
   public:
       OpPathParam() = default;
       virtual ~OpPathParam() = default;
   
       virtual OperatorType Type() const override;
   
       virtual char Start() const override;
   
       virtual char First() const override;
   
       virtual char Separator() const override;
   
       virtual bool Named() const override;
   
       virtual bool EmptyEq() const override;
   
       virtual bool Reserved() const override;
   
       virtual bool StartExpanded() const override;
   };
   
   class OpQuery: public Operator
   {
   public:
       OpQuery() = default;
       virtual ~OpQuery() = default;
   
       virtual OperatorType Type() const override;
   
       virtual char Start() const override;
   
       virtual char First() const override;
   
       virtual char Separator() const override;
   
       virtual bool Named() const override;
   
       virtual bool EmptyEq() const override;
   
       virtual bool Reserved() const override;
   
       virtual bool StartExpanded() const override;
   };
   
   class OpQueryContinue: public Operator
   {
   public:
       OpQueryContinue() = default;
       virtual ~OpQueryContinue() = default;
   
       virtual OperatorType Type() const override;
   
       virtual char Start() const override;
   
       virtual char First() const override;
   
       virtual char Separator() const override;
   
       virtual bool Named() const override;
   
       virtual bool EmptyEq() const override;
   
       virtual bool Reserved() const override;
   
       virtual bool StartExpanded() const override;
   };
   
   inline const std::shared_ptr<Operator> NOOP_OPERATOR = std::make_shared<OpNoop>();
   // clang-format off
   inline const std::vector<std::shared_ptr<Operator>> KNOWN_OPERATORS = {
       std::make_shared<OpReservedChars>(),
       std::make_shared<OpFragment>(),
       std::make_shared<OpLabel>(),
       std::make_shared<OpPath>(),
       std::make_shared<OpPathParam>(),
       std::make_shared<OpQuery>(),
       std::make_shared<OpQueryContinue>(),
   };
   // clang-format on
   
   } // namespace Template
   } // namespace URI