dali-toolkit/internal/text/string-text/character-sequence-impl.h

   1 #ifndef DALI_TOOLKIT_INTERNAL_TEXT_CHARACTER_SEQUENCE_IMPL_H
   2 #define DALI_TOOLKIT_INTERNAL_TEXT_CHARACTER_SEQUENCE_IMPL_H
   3
   4 /*
   5  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  * http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  */
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali-toolkit/devel-api/text/character-sequence.h>
  23 #include <memory>
  24
  25 // INTERNAL INCLUDES
  26 #include <dali-toolkit/internal/text/text-definitions.h>
  27 #include <dali/public-api/object/base-object.h>
  28
  29 namespace Dali
  30 {
  31 namespace Toolkit
  32 {
  33 namespace Text
  34 {
  35 namespace Internal
  36 {
  37 class CharacterSequence;
  38
  39 typedef IntrusivePtr<CharacterSequence> CharacterSequencePtr;
  40 typedef const CharacterSequence*        CharacterSequenceConstPtr;
  41
  42 /**
  43  * @copydoc Dali::Toolkit::Text::CharacterSequence
  44  */
  45 class CharacterSequence : public BaseObject
  46 {
  47 public:
  48   /**
  49    * This constructor is only used by derived classes.
  50    */
  51   CharacterSequence();
  52
  53   /**
  54    * @brief Virtual destructor.
  55    *
  56    * A reference counted object may only be deleted by calling Unreference()
  57    */
  58   virtual ~CharacterSequence() = 0;
  59
  60   // Removed constructors and assignment operators
  61 public:
  62   CharacterSequence(const CharacterSequence&) = delete;            ///< Deleted copy constructor
  63   CharacterSequence(CharacterSequence&&)      = delete;            ///< Deleted move constructor
  64   CharacterSequence& operator=(const CharacterSequence&) = delete; ///< Deleted copy assignment operator
  65   CharacterSequence& operator=(CharacterSequence&&) = delete;      ///< Deleted move assignment operator
  66
  67 public: //Methods
  68   /**
  69    * @copydoc Dali::Toolkit::Text::CharacterSequence::GetCharacters()
  70    */
  71   virtual Vector<uint32_t> GetCharacters() const = 0;
  72
  73   /**
  74    * @copydoc Dali::Toolkit::Text::CharacterSequence::GetNumberOfCharacters()
  75    */
  76   virtual uint32_t GetNumberOfCharacters() const = 0;
  77
  78   /**
  79    * @copydoc Dali::Toolkit::Text::CharacterSequence::ToString()
  80    */
  81   virtual std::string ToString() const = 0;
  82
  83 }; // class CharacterSequence
  84
  85 } // namespace Internal
  86
  87 /**
  88  * Helper methods for public API.
  89  */
  90 inline Internal::CharacterSequence& GetImplementation(Dali::Toolkit::Text::CharacterSequence& characterSequence)
  91 {
  92   DALI_ASSERT_ALWAYS(characterSequence && "characterSequence handle is empty");
  93
  94   BaseObject& handle = characterSequence.GetBaseObject();
  95
  96   return static_cast<Internal::CharacterSequence&>(handle);
  97 }
  98
  99 inline const Internal::CharacterSequence& GetImplementation(const Dali::Toolkit::Text::CharacterSequence& characterSequence)
 100 {
 101   DALI_ASSERT_ALWAYS(characterSequence && "characterSequence handle is empty");
 102
 103   const BaseObject& handle = characterSequence.GetBaseObject();
 104
 105   return static_cast<const Internal::CharacterSequence&>(handle);
 106 }
 107
 108 } // namespace Text
 109
 110 } // namespace Toolkit
 111
 112 // Allow AbstractStyleSpan to be treated as a POD type
 113 template<>
 114 struct TypeTraits<Dali::Toolkit::Text::Internal::CharacterSequence> : public Dali::BasicTypes<Dali::Toolkit::Text::Internal::CharacterSequence>
 115 {
 116   enum
 117   {
 118     IS_TRIVIAL_TYPE = true
 119   };
 120 };
 121
 122 } // namespace Dali
 123
 124 #endif // DALI_TOOLKIT_INTERNAL_TEXT_CHARACTER_SEQUENCE_IMPL_H