1 /* 2 * Copyright 2011-2013, Ingo Weinhold, ingo_weinhold@gmx.de. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef AUTO_PACKAGE_ATTRIBUTE_DIRECTORY_COOKIE_H 6 #define AUTO_PACKAGE_ATTRIBUTE_DIRECTORY_COOKIE_H 7 8 9 #include "AttributeDirectoryCookie.h" 10 #include "AutoPackageAttributes.h" 11 12 13 /*! 14 When used for nodes that only have the automatic package attributes, the 15 class can be used as is. Otherwise subclassing is required. 16 Derived classes need to override Rewind() to rewind to their first 17 attribute, but also call the base class version. Furthermore they must 18 implement CurrentCustomAttributeName() to return the current attribute's 19 name and NextCustomAttributeName() to iterate to the next attribute and 20 return its name. 21 */ 22 class AutoPackageAttributeDirectoryCookie : public AttributeDirectoryCookie { 23 public: 24 AutoPackageAttributeDirectoryCookie(); 25 virtual ~AutoPackageAttributeDirectoryCookie(); 26 27 virtual status_t Read(dev_t volumeID, ino_t nodeID, 28 struct dirent* buffer, size_t bufferSize, 29 uint32* _count); 30 virtual status_t Rewind(); 31 32 protected: 33 virtual String CurrentCustomAttributeName(); 34 virtual String NextCustomAttributeName(); 35 36 private: 37 uint32 fState; 38 }; 39 40 41 #endif // AUTO_PACKAGE_ATTRIBUTE_DIRECTORY_COOKIE_H 42