633 lines
22 KiB
C++
633 lines
22 KiB
C++
/**
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* @author Edouard DUPIN
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*
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* @copyright 2011, Edouard DUPIN, all right reserved
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*
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* @license BSD v3 (see license file)
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*/
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#ifndef __ETK_FILE_SYSTEM_NODE_H__
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#define __ETK_FILE_SYSTEM_NODE_H__
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#include <etk/UString.h>
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#include <etk/os/FSNodeRight.h>
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#ifdef __TARGET_OS__Android
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# include <etk/archive/Archive.h>
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#endif
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#define MAX_FILE_NAME (10240)
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//http://developer.android.com/guide/topics/data/data-storage.html
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namespace etk {
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void setArgZero(const std::string& _val);
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std::string simplifyPath(std::string _input);
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/**
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* List of Type that a node can have (this wrap some type that not exist on Windows)
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*/
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enum typeNode {
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FSN_UNKNOW, //!< Type of the node is not known
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FSN_BLOCK, //!< The node is a block aceess device (Not availlable on Windows)
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FSN_CHARACTER, //!< The node is a Char device type (Not availlable on Windows)
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FSN_FOLDER, //!< The node is a folder
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FSN_FIFO, //!< The node is a Fifo (Not availlable on Windows)
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FSN_LINK, //!< The node is a Link
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FSN_FILE, //!< The node is a File
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FSN_SOCKET, //!< The node is a socket
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};
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etk::CCout& operator <<(etk::CCout &_os, const enum etk::typeNode &_obj);
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enum seekNode{
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FSN_SEEK_START,
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FSN_SEEK_END,
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FSN_SEEK_CURRENT,
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};
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enum FSNType {
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FSN_TYPE_UNKNOW,
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// user might done abstraction ==> acces of the sdcard when possible ...
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FSN_TYPE_DIRECT,
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FSN_TYPE_RELATIF,
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// depend on case
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// - PC : ~/
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// - Android : /sdcard/
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// - Apple : ????
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FSN_TYPE_HOME,
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// depend of the case
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// - PC : /usr/shared/programName/
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// - Android : Internal at the executable file (pointer on static area)
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// - Apple : Internal at the executable file
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FSN_TYPE_DATA,
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// depend on case
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// - PC : ~/.local/programName/
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// - Android : /data/data/programName/files/
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// - Apple : ????
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FSN_TYPE_USER_DATA,
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// depend on case
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// - PC : ~/.programName/cache/
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// - Android : /data/data/programName/cache/
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// - Apple : ????
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FSN_TYPE_CACHE,
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// depend on case
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// - try on FSN_TYPE_USER_DATA/theme/themeName/xxx
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// - try on FSN_TYPE_DATA/theme/themeName/xxx
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// - try on FSN_TYPE_EWOL_DATA/theme/themeName/xxx ==> later when the lib will be accessible in packages
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// and jump to the default theme file
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// - try on FSN_TYPE_USER_DATA/theme/default/xxx
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// - try on FSN_TYPE_DATA/theme/default/xxx
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// - try on FSN_TYPE_EWOL_DATA/theme/default/xxx ==> later when the lib will be accessible in packages
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FSN_TYPE_THEME,
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FSN_TYPE_THEME_DATA
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};
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etk::CCout& operator <<(etk::CCout &_os, const enum etk::FSNType &_obj);
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/*
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note : The filename can be
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Direct mode :
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DIRECT:/sdfsdfsdf/
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/XX ==> for Linux / Mac / Android
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[a-zA-Z]:/xxx ==> for Windows
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Data mode :
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DATA:folder/File.ccc
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User data mode :
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USERDATA:folder/File.ccc
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Cache Data :
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CACHE:folder/File.ccc
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Theme data :
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THEME:folder/file.xxx
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Get the root folder :
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ROOT:
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/
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[a-zA-Z]: ==> create more risk ...
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Get the Home folder :
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HOME:
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~
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*/
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/**
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* @brief FS node is for File system IO access This class is independent of the OS, If you acces to a file in windows, it might generate the right loke Linux (it is important to know that windows right is lighter than linux)
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*/
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class FSNode
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{
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private:
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std::string m_userFileName; //!< the name requested by the User
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std::string m_systemFileName; //!< the compleate filename for the system
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enum FSNType m_type; //!< the Type of data requested by the User
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enum typeNode m_typeNode; //!< type of the current file/Folder/Link
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etk::FSNodeRight m_rights; //!< IO right of the current file
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// specific when file Access :
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FILE * m_PointerFile; //!< When reading file, this is the Real pointer access
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uint64_t m_timeCreate; //!< Creating date of the file
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uint64_t m_timeModify; //!< Last modify time of the file
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uint64_t m_timeAccess; //!< Last acces time of the file
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uint32_t m_idOwner; //!< Id of the owner of the Node
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uint32_t m_idGroup; //!< Id of the group of the Node
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public:
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/**
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* @brief Constructor
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* @param[in] _path Path of the curent file /folder ...
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*/
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FSNode(const std::string& _path = "~");
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FSNode(const std::u32string& _path);
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/**
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* @brief Destructor
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* @note you will have some warning if you did not close your files
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*/
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~FSNode(void);
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private:
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/**
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* @brief Internal methode that create the internal Real system name (transform DATA: HOME: DATA:GUI: in the real name of the files)
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*/
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void generateFileSystemPath(void);
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/**
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* @brief Update the internal data of the right type, and times
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*/
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void updateFileSystemProperty(void);
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/**
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* @brief Common set name of the Node (if the user decide to change the node selection
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* @param[in] _newName Name of the Node
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*/
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void privateSetName(const std::string& _newName);
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void privateSetName(const std::u32string& _newName);
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private:
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#ifdef __TARGET_OS__Android
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/**
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* @brief Explocitly for Android that data are stored in the .apk that is a .zip not compressed
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* @return true : Load is OK
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* @return false : An error Occured
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*/
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bool loadDataZip(void);
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const etk::Archive::Content* m_zipContent;
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int32_t m_zipReadingOffset;
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#endif
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public:
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/**
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* @brief Check if the node exist.
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* @return true : The node existed.
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* @return false : The node does not exist.
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*/
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bool exist(void) const {
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return (m_typeNode!=etk::FSN_UNKNOW);
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};
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/**
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* @brief Get the node type
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* @return the requested type, FSN_UNKNOW if it does not existed
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*/
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enum typeNode getNodeType(void) const {
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return m_typeNode;
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};
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/**
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* @brief Get the node Right
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* @return the requested right
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*/
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etk::FSNodeRight getRight(void) const {
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return m_rights;
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};
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/**
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* @brief Set the specific right of the node
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* @param[in] _newRight new right to set
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* @return true : action done
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* @return false : action not done
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*/
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bool setRight(etk::FSNodeRight _newRight);
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/**
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* @brief Change the Node seeing (not rename the node, for this @ref Move)
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* @param[in] _newName New node name to show
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* @return true : action done
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* @return false : action not done
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*/
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void setName(const std::string& _newName);
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void setName(const std::u32string& _newName);
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/**
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* @brief Get the Generate FileSystem name
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* @return the requested filename
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*/
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std::string getFileSystemName(void) const;
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std::u32string getUFileSystemName(void) const;
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/**
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* @brief Get the current folder of the Node. (file system name)
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* @return the common name define (like /xxxxx/xxxxx/ or c:/xxxxx/xxxxx/)
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* @note Auto remove of ../../../ and //
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*/
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std::string getNameFolder(void) const;
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std::u32string getUNameFolder(void) const;
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/**
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* @brief Get the current compleate node name (file system name)
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* @return All the user name definition (like /xxxxx/xxxxx/myFile.kkk or c:/xxxxx/xxxxx/myFile.kkk)
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* @note Auto remove of ../../../ and //
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*/
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std::string getName(void) const;
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std::u32string getUName(void) const;
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/**
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* @brief Get the file or current file name (if it was a file)
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* @return the name of the node (like myFile.kkk)
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*/
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std::string getNameFile(void) const;
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std::u32string getUNameFile(void) const;
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/**
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* @brief Get the current folder of the Node.
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* @return the common name define (like DATA:xxxxx/xxxxx/)
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* @note Auto remove of ../../../ and //
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*/
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std::string getRelativeFolder(void) const;
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std::u32string getURelativeFolder(void) const;
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/**
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* @brief update the Time of the file with the current time
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* @return true : action done
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* @return false : action not done
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*/
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bool touch(void);
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/**
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* @brief Move the Node at a new path
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* @param[in] _path The new path
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* @return true : action done
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* @return false : action not done
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*/
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bool move(const std::string& _path);
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bool move(const std::u32string& _path);
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/**
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* @brief Get the node type (DATA/DIRECT...)
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* @return the requested type
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*/
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enum FSNType getTypeAccess(void) const {
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return m_type;
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};
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/**
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* @brief Remove the current node ( if folder, this remove all subfolder but not the Link subfolder)
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* @return true : action done
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* @return false : action not done
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*/
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bool remove(void);
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/**
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* @brief Get the creating time of the File
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* @return The time requested
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*/
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uint64_t timeCreated(void) const;
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/**
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* @brief Get the creating time of the File
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* @return The time requested (in string)
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*/
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std::string timeCreatedString(void) const;
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std::u32string timeUCreatedString(void) const;
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/**
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* @brief Get the modifying time of the File
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* @return The time requested
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*/
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uint64_t timeModified(void) const;
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/**
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* @brief Get the modifying time of the File
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* @return The time requested (in string)
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*/
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std::string timeModifiedString(void) const;
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std::u32string timeUModifiedString(void) const;
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/**
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* @brief Get the Accessed time of the File
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* @return The time requested
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*/
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uint64_t timeAccessed(void) const;
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/**
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* @brief Get the Accessed time of the File
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* @return The time requested (in string)
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*/
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std::string timeAccessedString(void) const;
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std::u32string timeUAccessedString(void) const;
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/**
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* @brief copy the other FSnode ==> for vector
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* @param[in] _obj input node
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* @return the current modify node
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*/
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const etk::FSNode& operator= (const etk::FSNode &_obj );
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/**
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* @brief Check if the 2 node are link with the same file
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* @param[in] _obj input node
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* @return true : same node, false otherwise
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*/
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bool operator== (const etk::FSNode &_obj ) const;
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/**
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* @brief Check if the 2 node are NOT link with the same file
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* @param[in] _obj input node
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* @return false : same node, true otherwise
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*/
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bool operator!= (const etk::FSNode &_obj ) const;
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/**
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* @brief Write in the statard debug IO the current node
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* @param[in] _os std debug IO
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* @param[in] _obj Node to display
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* @return std debug IO
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*/
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friend etk::CCout& operator <<( etk::CCout &_os,const etk::FSNode &_obj);
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/**
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* @brief Count the number of subFolder in the curent Folder
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* @return >=0 nb of subElement
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* @return -1 an error occured ==> not a folder ???
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*/
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int64_t folderCount(void);
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/**
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* @brief Get the List of all node inside a node (folder only)
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* @param[in] _showHidenFile Add hidden file/folder/...
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* @param[in] _getFolderAndOther get folder
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* @param[in] _getFile Get files
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* @param[in] _temporaryFile add Tmp file like .bck or ~
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* @return The requested list
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*/
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std::vector<etk::FSNode*> folderGetSubList(bool _showHidenFile = true,
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bool _getFolderAndOther = true,
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bool _getFile = true,
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bool _temporaryFile = true);
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/**
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* @brief Get the father node of this node
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* @return The requested node
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*/
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etk::FSNode folderGetParent(void);
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/**
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* @brief Get all the File inside a Folder (done recursively)
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* @param[out] _output List of all the File names (You must clear it before set it in)
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* @param[in] _recursiveEnable Activate the recursive mode (enable by default)
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*/
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void folderGetRecursiveFiles(std::vector<std::string>& _output, bool _recursiveEnable=true);
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void folderGetRecursiveFiles(std::vector<std::u32string>& _output, bool _recursiveEnable=true);
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/**
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* @brief Check if the file have an extention ( ***.ccc)
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* @return true The file have an extention.
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* @return false The file have NO extention.
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*/
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bool fileHasExtention(void);
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/**
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* @brief Get the extention of the Node
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* @return the requested extention
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*/
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std::string fileGetExtention(void);
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std::u32string fileUGetExtention(void);
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/**
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* @brief Get the File size
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* @return the requested size
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*/
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uint64_t fileSize(void);
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/**
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* @brief Open the file in Read mode
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* @return true : action done
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* @return false : action not done
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*/
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bool fileOpenRead(void);
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/**
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* @brief Open the file in write Mode
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* @note You can not do it with the DATA: file ==> this is not allowed in some Board like Android)
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* @return true : action done
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* @return false : action not done
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*/
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bool fileOpenWrite(void);
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/**
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* @brief Open the file in write Append Mode
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* @note You can not do it with the DATA: file ==> this is not allowed in some Board like Android)
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* @return true : action done
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* @return false : action not done
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*/
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bool fileOpenAppend(void);
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/**
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* @brief Close the cuurent file
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* @return true : action done
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* @return false : action not done
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*/
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bool fileClose(void);
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/**
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* @brief Get the pointer on the start line and the next line (or null)
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* @param[in,out] _elementLine Pointer to an array of chars where the string read is copied.
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* @param[in] _maxData Maximum number of characters to be copied into str (including the terminating null-character).
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* @return the pointer on the end of the cuurent line.
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*/
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char* fileGets(char* _elementLine, int64_t _maxData);
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/**
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* @brief Get a unique data in the file
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* @return the next element in the file.
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*/
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char fileGet(void);
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/**
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* @brief Read data from the file
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* @param[in,out] _data Pointer on the buffer that might be set the data
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* @param[in] _blockSize Size of one block of data
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* @param[in] _nbBlock Number of block needed
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* @return Number of element read (in block number)
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*/
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int64_t fileRead(void* _data, int64_t _blockSize, int64_t _nbBlock);
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/**
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* @brief Write data on the file
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* @param[in] _data Pointer on the buffer that might be set on the file
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* @param[in] _blockSize Size of one block of data
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* @param[in] _nbBlock Number of block needed
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* @return Number of element written (in block number)
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*/
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int64_t fileWrite(void* _data, int64_t _blockSize, int64_t _nbBlock);
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/**
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* @brief Move in the file Position
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* @param[in] _offset Offset to apply at the file
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* @param[in] _origin Origin of the position
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* @return true : action done
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* @return false : action not done
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*/
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bool fileSeek(long int _offset, enum etk::seekNode _origin);
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/**
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* @brief Flush the current file
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*/
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void fileFlush(void);
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private:
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/**
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* @brief Order the list of subnode the folder first and the alphabetical order
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* @param[in,out] _list The list to order
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*/
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void sortElementList(std::vector<etk::FSNode *>& _list);
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};
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etk::CCout& operator <<(etk::CCout &_os, const etk::FSNode &_obj);
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/**
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* @brief Set manualy the folder of the Data.(like /usr/shared/applName/ for linux)
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* @param[in] _folder folder path of the cathegorie
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*/
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void setBaseFolderData(const char* _folder);
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/**
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* @brief Set the user data folder (like /home/machin/.local/applName/ for linux)
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* @param[in] _folder folder path of the cathegorie
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*/
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void setBaseFolderDataUser(const char* _folder);
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/**
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* @brief Set the Cach folder for the application (like /tmp)
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* @param[in] _folder folder path of the cathegorie
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*/
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void setBaseFolderCache(const char* _folder);
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/**
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* @brief Initialyse all the subFolder usable by the user like DATA/HOME/CACHE/USERDATA
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* @param[in] _applName the name of the application
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*/
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void initDefaultFolder(const char* _applName);
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/**
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* @brief Get the home folder of the user
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* @return the home folder : like : "/home/machin/"
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*/
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std::string getUserHomeFolder(void);
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std::u32string getUUserHomeFolder(void);
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/**
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* @brief Get the folder of the Program is running
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* @return the basic folder name (ex : run ./appl in the pwd=/home/machin/sousFolder ==> this return the pwd folder)
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*/
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std::string getUserRunFolder(void);
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std::u32string getUUserRunFolder(void);
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namespace theme {
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// TODO : Add an INIT ...
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/**
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* @brief Set the Folder of a subset of a theme ...
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* @param[in] _refName Theme cathegorie ex : "GUI" "SHADER" "DEFAULT"
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* @param[in] _folderName The associated folder of the Theme (like "myTheme/folder/folder2/")
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*/
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|
void setName(const std::string& _refName, const std::string& _folderName);
|
|
void setName(const std::u32string& _refName, const std::u32string& _folderName);
|
|
/**
|
|
* @brief get the folder from a Reference theme
|
|
* @param[in] _refName Theme cathegorie ex : "GUI" "SHADER" "DEFAULT"
|
|
* @return the path of the theme
|
|
*/
|
|
std::string getName(const std::string& _refName);
|
|
std::u32string getName(const std::u32string& _refName);
|
|
/**
|
|
* @brief Get the list of all the theme folder availlable in the user Home/appl
|
|
* @return The list of elements
|
|
*/
|
|
std::vector<std::string> list(void);
|
|
std::vector<std::u32string> listU(void);
|
|
};
|
|
|
|
/**
|
|
* @brief Simple access for : Remove folder and subFolder, files pipes ...
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
bool FSNodeRemove(const std::string& _path);
|
|
bool FSNodeRemove(const std::u32string& _path);
|
|
/**
|
|
* @brief Simple access for : count the number of element in a path (if it is not a path ==> return -1)
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @return number of File inside
|
|
* @return -1 : An error occured
|
|
*/
|
|
int64_t FSNodeGetCount(const std::string& _path);
|
|
int64_t FSNodeGetCount(const std::u32string& _path);
|
|
/**
|
|
* @brief Simple access for : Create a file or a folder depending of the request
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @param[in] _right Right of the creation
|
|
* @param[in] _type Type of the element that might be created
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
bool FSNodeCreate(const std::string& _path, etk::FSNodeRight _right, enum etk::typeNode _type=etk::FSN_FOLDER);
|
|
bool FSNodeCreate(const std::u32string& _path, etk::FSNodeRight _right, enum etk::typeNode _type=etk::FSN_FOLDER);
|
|
/**
|
|
* @brief Simple access for : chexk the exestance of an element
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
bool FSNodeExist(const std::string& _path);
|
|
bool FSNodeExist(const std::u32string& _path);
|
|
/**
|
|
* @brief Simple access for : chexk the exestance of an element
|
|
* @param[in] _path1 Folder/File/Pipe path of the node sources
|
|
* @param[in] _path2 Folder/File/Pipe path of the node destination
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
bool FSNodeMove(const std::string& _path1, const std::string& _path2);
|
|
bool FSNodeMove(const std::u32string& _path1, const std::u32string& _path2);
|
|
/**
|
|
* @brief Simple access for : Get right of the current Node
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
etk::FSNodeRight FSNodeGetRight(const std::string& _path);
|
|
etk::FSNodeRight FSNodeGetRight(const std::u32string& _path);
|
|
/**
|
|
* @brief Simple access for : Get type of the current node
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
enum etk::typeNode FSNodeGetType(const std::string& _path);
|
|
enum etk::typeNode FSNodeGetType(const std::u32string& _path);
|
|
/**
|
|
* @brief Simple access for : Getting creation time of the current node
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
uint64_t FSNodeGetTimeCreated(const std::string& _path);
|
|
uint64_t FSNodeGetTimeCreated(const std::u32string& _path);
|
|
/**
|
|
* @brief Simple access for : Getting Modification time of the current node
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
uint64_t FSNodeGetTimeModified(const std::string& _path);
|
|
uint64_t FSNodeGetTimeModified(const std::u32string& _path);
|
|
/**
|
|
* @brief Simple access for : Getting Accessing time of the current node
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
uint64_t FSNodeGetTimeAccessed(const std::string& _path);
|
|
uint64_t FSNodeGetTimeAccessed(const std::u32string& _path);
|
|
/**
|
|
* @brief Simple access for : Update Modification time with the current time of the node (>)
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
bool FSNodeTouch(const std::string& _path);
|
|
bool FSNodeTouch(const std::u32string& _path);
|
|
/**
|
|
* @brief Simple access for : Basic write on the node (like console echo)
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @param[in] _dataTowrite write data in the Node
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
bool FSNodeEcho(const std::string& _path, const std::string& _dataTowrite);
|
|
bool FSNodeEcho(const std::u32string& _path, const std::u32string& _dataTowrite);
|
|
/**
|
|
* @brief Simple access for : Basic write on the node (like console echo) in adding mode (>>)
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @param[in] _dataTowrite write data in the Node
|
|
* @return true : Action done corectly
|
|
* @return false : An error occured
|
|
*/
|
|
bool FSNodeEchoAdd(const std::string& _path, const std::string& _dataTowrite);
|
|
bool FSNodeEchoAdd(const std::u32string& _path, const std::u32string& _dataTowrite);
|
|
/**
|
|
* @brief move file to generate an history of the current file
|
|
* @param[in] _path Folder/File/Pipe path of the node
|
|
* @param[in] _historyCount number of saved file in the history (-xxx)
|
|
*/
|
|
void FSNodeHistory(const std::string& _path, int32_t _historyCount);
|
|
void FSNodeHistory(const std::u32string& _path, int32_t _historyCount);
|
|
};
|
|
|
|
#endif
|
|
|