text: /*
  	Copyright 2012 bigbiff/Dees_Troy TeamWin
  	This file is part of TWRP/TeamWin Recovery Project.
  
  	TWRP is free software: you can redistribute it and/or modify
  	it under the terms of the GNU General Public License as published by
  	the Free Software Foundation, either version 3 of the License, or
  	(at your option) any later version.
  
  	TWRP is distributed in the hope that it will be useful,
  	but WITHOUT ANY WARRANTY; without even the implied warranty of
  	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  	GNU General Public License for more details.
  
  	You should have received a copy of the GNU General Public License
  	along with TWRP.  If not, see <http://www.gnu.org/licenses/>.
  */
  
  #ifndef _TWRPFUNCTIONS_HPP
  #define _TWRPFUNCTIONS_HPP
  
  #include <string>
  #include <vector>
  
  using namespace std;
  
  typedef enum
  {
  	rb_current = 0,
  	rb_system,
  	rb_recovery,
  	rb_poweroff,
  	rb_bootloader,     // May also be fastboot
  	rb_download,
  } RebootCommand;
  
  // Partition class
  class TWFunc
  {
  public:
  	static string Get_Root_Path(string Path);                                   // Trims any trailing folders or filenames from the path, also adds a leading / if not present
  	static string Get_Path(string Path);                                        // Trims everything after the last / in the string
  	static string Get_Filename(string Path);                                    // Trims the path off of a filename
  
  	static int Exec_Cmd(const string& cmd, string &result);                     //execute a command and return the result as a string by reference
  	static int Exec_Cmd(const string& cmd);                                     //execute a command
  	static int Wait_For_Child(pid_t pid, int *status, string Child_Name);       // Waits for pid to exit and checks exit status
  	static bool Path_Exists(string Path);                                       // Returns true if the path exists
  	static int Get_File_Type(string fn); // Determines file type, 0 for unknown, 1 for gzip, 2 for OAES encrypted
  	static int Try_Decrypting_File(string fn, string password); // -1 for some error, 0 for failed to decrypt, 1 for decrypted, 3 for decrypted and found gzip format
  	static unsigned long Get_File_Size(string Path);                            // Returns the size of a file
  	static std::string Remove_Trailing_Slashes(const std::string& path, bool leaveLast = false); // Normalizes the path, e.g /data//media/ -> /data/media
  	static vector<string> split_string(const string &in, char del, bool skip_empty);
  
  #ifndef BUILD_TWRPTAR_MAIN
  	static void install_htc_dumlock(void);                                      // Installs HTC Dumlock
  	static void htc_dumlock_restore_original_boot(void);                        // Restores the backup of boot from HTC Dumlock
  	static void htc_dumlock_reflash_recovery_to_boot(void);                     // Reflashes the current recovery to boot
  	static int Recursive_Mkdir(string Path);                                    // Recursively makes the entire path
  	static void GUI_Operation_Text(string Read_Value, string Default_Text);     // Updates text for display in the GUI, e.g. Backing up %partition name%
  	static void GUI_Operation_Text(string Read_Value, string Partition_Name, string Default_Text); // Same as above but includes partition name
  	static void Update_Log_File(void);                                          // Writes the log to last_log
  	static void Update_Intent_File(string Intent);                              // Updates intent file
  	static int tw_reboot(RebootCommand command);                                // Prepares the device for rebooting
  	static void check_and_run_script(const char* script_file, const char* display_name); // checks for the existence of a script, chmods it to 755, then runs it
  	static int removeDir(const string path, bool removeParent); //recursively remove a directory
  	static int copy_file(string src, string dst, int mode); //copy file from src to dst with mode permissions
  	static unsigned int Get_D_Type_From_Stat(string Path);                      // Returns a dirent dt_type value using stat instead of dirent
  	static timespec timespec_diff(timespec& start, timespec& end);	            // Return a diff for 2 times
  	static int32_t timespec_diff_ms(timespec& start, timespec& end);            // Returns diff in ms
  	static int read_file(string fn, vector<string>& results); //read from file
  	static int read_file(string fn, string& results); //read from file
  	static int read_file(string fn, uint64_t& results); //read from file
  	static int write_file(string fn, string& line); //write from file
  	static bool Install_SuperSU(void); // Installs su binary and apk and sets proper permissions
  	static bool Try_Decrypting_Backup(string Restore_Path, string Password); // true for success, false for failed to decrypt
  	static string System_Property_Get(string Prop_Name);                // Returns value of Prop_Name from reading /system/build.prop
  	static string Get_Current_Date(void);                               // Returns the current date in ccyy-m-dd--hh-nn-ss format
  	static void Auto_Generate_Backup_Name();                            // Populates TW_BACKUP_NAME with a backup name based on current date and ro.build.display.id from /system/build.prop
  	static void Fixup_Time_On_Boot(); // Fixes time on devices which need it
  	static std::vector<std::string> Split_String(const std::string& str, const std::string& delimiter, bool removeEmpty = true); // Splits string by delimiter
  	static bool Create_Dir_Recursive(const std::string& path, mode_t mode = 0755, uid_t uid = -1, gid_t gid = -1);  // Create directory and it's parents, if they don't exist. mode, uid and gid are set to all _newly_ created folders. If whole path exists, do nothing.
  	static int Set_Brightness(std::string brightness_value); // Well, you can read, it does what it says, passing return int from TWFunc::Write_File ;)
  	static bool Toggle_MTP(bool enable);                                        // Disables MTP if enable is false and re-enables MTP if enable is true and it was enabled the last time it was toggled off
  	static std::string to_string(unsigned long value); //convert ul to string
  	static void SetPerformanceMode(bool mode); // support recovery.perf.mode
  	static void Disable_Stock_Recovery_Replace(); // Disable stock ROMs from replacing TWRP with stock recovery
  
  private:
  	static void Copy_Log(string Source, string Destination);
  
  };
  
  extern int Log_Offset;
  #else
  };
  #endif // ndef BUILD_TWRPTAR_MAIN
  
  #endif // _TWRPFUNCTIONS_HPP
  