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NCBI C++ ToolKit: CFile Class Reference

enum   ECompareText { eIgnoreEol = eCompareText_IgnoreEol , eIgnoreWs = eCompareText_IgnoreWhiteSpace }   Mode to compare streams in text form. More...
  enum   EIfEmptyPath { eIfEmptyPath_Empty , eIfEmptyPath_Current }   What GetDir() should return if the dir entry does not contain path. More...
  enum   ERelativeToWhat { eRelativeToCwd , eRelativeToExe }   How to interpret relative paths. More...
  enum   ECopyFlags {
  fCF_Overwrite = (1 << 1) , fCF_Update = (1 << 2) | fCF_Overwrite , fCF_Backup = (1 << 3) | fCF_Overwrite , fCF_Safe = (1 << 4) | fCF_Overwrite ,
  fCF_TopDirOnly = (1 << 6) , fCF_EqualTypes = (1 << 7) , fCF_FollowLinks = (1 << 8) , fCF_Verify = (1 << 9) ,
  fCF_PreserveOwner = (1 << 10) , fCF_PreservePerm = (1 << 11) , fCF_PreserveTime = (1 << 12) , fCF_PreserveAll = fCF_PreserveOwner | fCF_PreservePerm | fCF_PreserveTime ,
  fCF_Recursive = (1 << 14) , fCF_SkipUnsupported = (1 << 15) , fCF_Default = fCF_Recursive | fCF_FollowLinks
}   Copy flags. More...
  enum   ERenameFlags {
  fRF_Overwrite = (1 << 1) , fRF_Update = (1 << 2) | fCF_Overwrite , fRF_Backup = (1 << 3) | fCF_Overwrite , fRF_EqualTypes = (1 << 4) ,
  fRF_FollowLinks = (1 << 5) , fRF_Default = 0
}   Rename flags. More...
  enum   EBackupMode { eBackup_Copy = (1 << 1) , eBackup_Rename = (1 << 2) , eBackup_Default = eBackup_Copy }   Backup modes. More...
  enum   EProcessingFlags {
  fEntry = (1 << 0) , fDir_Self = fEntry , fDir_Files = (1 << 1) , fDir_Subdirs = (1 << 2) ,
  fDir_Recursive = (1 << 3) , fDir_All = fDir_Self + fDir_Files + fDir_Subdirs , fIgnoreMissing = (1 << 4) , fProcessAll = (1 << 5) ,
  eOnlyEmpty = fDir_Self , eEntryOnly = fDir_Self , eTopDirOnly = fDir_Self | fDir_Files , eNonRecursive = fDir_All ,
  eRecursive = fDir_All | fDir_Recursive , eRecursiveStopOnErrors = eRecursive , eRecursiveIgnoreMissing = eRecursive | fIgnoreMissing , eRecursiveNotStopOnErrors = eRecursive | fIgnoreMissing | fProcessAll
}   Entries processing flags. More...
  enum   EType {
  eFile = 0 , eDir , ePipe , eLink ,
  eSymLink = eLink , eSocket , eDoor , eBlockSpecial ,
  eCharSpecial , eUnknown
}   Directory entry type. More...
  enum   EIfAbsent { eIfAbsent_Throw , eIfAbsent_Newer , eIfAbsent_NotNewer }   What IsNewer() should do if the dir entry does not exist or is not accessible. More...
  enum   EIfAbsent2 {
  fHasThisNoPath_Newer = (1 << 0) , fHasThisNoPath_NotNewer = (1 << 1) , fNoThisHasPath_Newer = (1 << 2) , fNoThisHasPath_NotNewer = (1 << 3) ,
  fNoThisNoPath_Newer = (1 << 4) , fNoThisNoPath_NotNewer = (1 << 5)
}   What path version of IsNewer() should do if the dir entry or specified path does not exist or is not accessible. More...
  enum   EMode {
  fExecute = 1 , fWrite = 2 , fRead = 4 , fDefault = 8 ,
  fDefaultDirUser = fRead | fExecute | fWrite , fDefaultDirGroup = fRead | fExecute , fDefaultDirOther = fRead | fExecute , fDefaultUser = fRead | fWrite ,
  fDefaultGroup = fRead , fDefaultOther = fRead
}   Directory entry access permissions. More...
  enum   ESpecialModeBits { fSticky = 1 , fSetGID = 2 , fSetUID = 4 }   enum   EModeRelative { fModeAdd = 16 , fModeRemove = 32 , fModeNoChange = 64 }   Relative permissions change modes. More...
  enum   EModeStringFormat { eModeFormat_Octal , eModeFormat_Symbolic , eModeFormat_List , eModeFormat_Default = eModeFormat_Octal }   Permission mode string format. More...
  enum   ETmpFileCreationMode { eTmpFileCreate , eTmpFileGetName }   Temporary file creation mode. More...
  enum   ETextBinary { eText , eBinary }   What type of temporary file to create. More...
  enum   EAllowRead { eAllowRead , eWriteOnly }   Which operations to allow on temporary file. More...
  typedef unsigned int  TCopyFlags   Binary OR of "ECopyFlags". More...
  typedef unsigned int  TRenameFlags   Binary OR of "ERenameFlags". More...
  typedef unsigned int  TProcessingFlags   Binary OR of "EProcessingFlags". More...
  typedef TProcessingFlags  TRemoveFlags   Flags based on TProcessingFlags. More...
  typedef TProcessingFlags  TSetModeFlags   typedef TRemoveFlags  EDirRemoveMode   Directory remove mode. More...
  typedef int  TIfAbsent2   Binary OR of "EIfAbsent2". More...
  typedef unsigned int  TMode   Bitwise OR of "EMode". More...
  typedef unsigned int  TSpecialModeBits   Bitwise OR of ESpecialModeBits. More...
    CFile (void)   Default constructor. More...
    CFile (const string &file)   Constructor using specified path string. More...
    CFile (const CDirEntry &file)   Copy constructor. More...
  virtual  ~CFile (void)   Destructor. More...
  virtual EType  GetObjectType (void) const   Get a type of constructed object. More...
  virtual bool  Exists (void) const   Check existence of file. More...
  Int8  GetLength (void) const   Get size of file. More...
  virtual bool  Copy (const string &new_path, TCopyFlags flags=fCF_Default, size_t buf_size=0) const   Copy a file. More...
  bool  Compare (const string &file, size_t buf_size=0) const   Compare files contents in binary form. More...
  bool  CompareTextContents (const string &file, ECompareText mode, size_t buf_size=0) const   Compare files contents in text form. More...
    CDirEntry (void)   Default constructor. More...
    CDirEntry (const string &path)   Constructor using specified path string. More...
    CDirEntry (const CDirEntry &other)   Copy constructor. More...
  virtual  ~CDirEntry (void)   Destructor. More...
  const string &  GetPath (void) const   Get entry path. More...
  void  Reset (const string &path)   Reset path string. More...
  CDirEntry &  operator= (const CDirEntry &other)   Assignment operator. More...
  string  GetDir (EIfEmptyPath mode=eIfEmptyPath_Current) const   Get the directory component for this directory entry. More...
  string  GetName (void) const   Get the base entry name with extension (if any). More...
  string  GetBase (void) const   Get the base entry name without extension. More...
  string  GetExt (void) const   Get extension name. More...
  bool  CopyToDir (const string &dir, TCopyFlags flags=fCF_Default, size_t buf_size=0) const   Copy the entry to a specified directory. More...
  bool  Rename (const string &new_path, TRenameFlags flags=fRF_Default)   Rename entry. More...
  bool  MoveToDir (const string &dir, TCopyFlags flags=fRF_Default)   Move the entry to a specified directory. More...
  bool  Backup (const string &suffix=kEmptyStr, EBackupMode mode=eBackup_Default, TCopyFlags copyflags=fCF_Default, size_t copybufsize=0)   Backup an entry. More...
  virtual bool  Remove (TRemoveFlags flags=eRecursive) const   Remove a directory entry. More...
  virtual bool  RemoveEntry (TRemoveFlags flags=eEntryOnly) const   Remove a directory entry. More...
  bool  Stat (struct SStat *buffer, EFollowLinks follow_links=eIgnoreLinks) const   Get status information on a dir entry. More...
  EType  GetType (EFollowLinks follow=eIgnoreLinks) const   Get a type of a directory entry. More...
  bool  IsFile (EFollowLinks follow=eFollowLinks) const   Check whether a directory entry is a file. More...
  bool  IsDir (EFollowLinks follow=eFollowLinks) const   Check whether a directory entry is a directory. More...
  bool  IsLink (void) const   Check whether a directory entry is a symbolic link (alias). More...
  string  LookupLink (void) const   Get an entry name that a link points to. More...
  void  DereferenceLink (ENormalizePath normalize=eNormalizePath)   Dereference a link. More...
  void  DereferencePath (void)   Dereference a path. More...
  bool  GetTime (CTime *modification, CTime *last_access=0, CTime *creation=0) const   Get time stamp(s) of a directory entry. More...
  bool  GetTimeT (time_t *modification, time_t *last_access=0, time_t *creation=0) const   Get time stamp(s) of a directory entry (time_t version). More...
  bool  SetTime (const CTime *modification=0, const CTime *last_access=0, const CTime *creation=0) const   Set time stamp(s) of a directory entry. More...
  bool  SetTimeT (const time_t *modification=0, const time_t *last_access=0, const time_t *creation=0) const   Set time stamp(s) of a directory entry (time_t version). More...
  bool  IsNewer (time_t tm, EIfAbsent if_absent) const   Check if the current entry is newer than a specified date/time. More...
  bool  IsNewer (const CTime &tm, EIfAbsent if_absent) const   Check if the current entry is newer than a specified date/time. More...
  bool  IsNewer (const string &path, TIfAbsent2 if_absent) const   Check if the current entry is newer than some other. More...
  bool  IsIdentical (const string &entry_name, EFollowLinks follow_links=eIgnoreLinks) const   Check if the current entry and the given entry_name are identical. More...
  bool  GetOwner (string *owner, string *group=0, EFollowLinks follow=eFollowLinks, unsigned int *uid=0, unsigned int *gid=0) const   Get an entry owner. More...
  bool  SetOwner (const string &owner, const string &group=kEmptyStr, EFollowLinks follow=eFollowLinks, unsigned int *uid=0, unsigned int *gid=0) const   Set an entry owner and/or group. More...
  bool  GetMode (TMode *user_mode, TMode *group_mode=0, TMode *other_mode=0, TSpecialModeBits *special=0) const   Get permission mode(s) of a directory entry. More...
  virtual bool  SetMode (TMode user_mode, TMode group_mode=fDefault, TMode other_mode=fDefault, TSpecialModeBits special=0, TSetModeFlags flags=eEntryOnly) const   Set permission mode(s) of a directory entry. More...
  virtual bool  SetModeEntry (TMode user_mode, TMode group_mode=fDefault, TMode other_mode=fDefault, TSpecialModeBits special=0, TSetModeFlags flags=eEntryOnly) const   Set permission mode(s) of a directory entry. More...
  virtual void  SetDefaultMode (EType entry_type, TMode user_mode, TMode group_mode=fDefault, TMode other_mode=fDefault, TSpecialModeBits special=0)   Set default mode(s) for this entry only. More...
  bool  CheckAccess (TMode access_mode) const   Check access rights. More...
  static void  SplitPath (const string &path, string *dir=0, string *base=0, string *ext=0)   Split a path string into its basic components. More...
  static void  SplitPathEx (const string &path, string *disk=0, string *dir=0, string *base=0, string *ext=0)   Split a path string into its basic components. More...
  static string  MakePath (const string &dir=kEmptyStr, const string &base=kEmptyStr, const string &ext=kEmptyStr)   Assemble a path from basic components. More...
  static char  GetPathSeparator (void)   Get path separator symbol specific for the current platform. More...
  static bool  IsPathSeparator (const char c)   Check whether a character "c" is a path separator symbol specific for the current platform. More...
  static string  AddTrailingPathSeparator (const string &path)   Add trailing path separator, if needed. More...
  static string  DeleteTrailingPathSeparator (const string &path)   Delete trailing path separator, if any. More...
  static string  ConvertToOSPath (const string &path)   Convert "path" on any OS to the current OS-dependent path. More...
  static bool  IsAbsolutePath (const string &path)   Check if a "path" is absolute for the current OS. More...
  static bool  IsAbsolutePathEx (const string &path)   Check if the "path" is absolute for any OS. More...
  static string  GetNearestExistingParentDir (const string &path)   Given a path, gets the closest parent directory which actually exists. More...
  static string  CreateRelativePath (const string &path_from, const string &path_to)   Create a relative path between two points in the file system specified by their absolute paths. More...
  static string  CreateAbsolutePath (const string &path, ERelativeToWhat rtw=eRelativeToCwd)   Get an absolute path from some, possibly relative, path. More...
  static string  CreateAbsolutePath (const string &path, const string &rtw)   Get an absolute path from some, possibly relative, path. More...
  static string  ConcatPath (const string &first, const string &second)   Concatenate two parts of the path for the current OS. More...
  static string  ConcatPathEx (const string &first, const string &second)   Concatenate two parts of the path for any OS. More...
  static string  NormalizePath (const string &path, EFollowLinks follow_links=eIgnoreLinks)   Normalize a path. More...
  static bool  MatchesMask (const string &name, const string &mask, NStr::ECase use_case=NStr::eCase)   Match a "name" against a simple filename "mask". More...
  static bool  MatchesMask (const string &name, const vector< string > &masks, NStr::ECase use_case=NStr::eCase)   Match a "name" against a set of "masks" Note that any name match to empty vector of masks. More...
  static bool  MatchesMask (const string &name, const CMask &mask, NStr::ECase use_case=NStr::eCase)   Match a "name" against a set of "masks" Note that any name match to empty set of masks. More...
  static const char *  GetBackupSuffix (void)   Get backup suffix. More...
  static void  SetBackupSuffix (const char *suffix)   Set backup suffix. More...
  static CDirEntry *  CreateObject (EType type, const string &path=kEmptyStr)   Construct a directory entry object of a specified type. More...
  static EType  GetType (const TNcbiSys_stat &st)   Get a type of a directory entry by status information. More...
  static void  SetDefaultModeGlobal (EType entry_type, TMode user_mode, TMode group_mode=fDefault, TMode other_mode=fDefault, TSpecialModeBits special=0)   Set default permission modes globally for all CDirEntry objects. More...
  static mode_t  MakeModeT (TMode user_mode, TMode group_mode, TMode other_mode, TSpecialModeBits special)   Construct mode_t value from permission modes. More...
  static void  ModeFromModeT (mode_t mode, TMode *user_mode, TMode *group_mode=0, TMode *other_mode=0, TSpecialModeBits *special=0)   Convert mode_t to permission mode(s). More...
  static string  ModeToString (TMode user_mode, TMode group_mode, TMode other_mode, TSpecialModeBits special, EModeStringFormat format=eModeFormat_Default)   Convert permission modes to string representation using one of predefined formats. More...
  static bool  StringToMode (const CTempString &mode, TMode *user_mode, TMode *group_mode=0, TMode *other_mode=0, TSpecialModeBits *special=0)   Convert string (in one of predefined formats, detects automatically) to permission mode(s). More...
  static void  GetUmask (TMode *user_mode, TMode *group_mode=0, TMode *other_mode=0, TSpecialModeBits *special=0)   Get file/directory mode creation mask. More...
  static void  SetUmask (TMode user_mode, TMode group_mode=fDefault, TMode other_mode=fDefault, TSpecialModeBits special=0)   Set file/directory mode creation mask. More...
  static string  GetTmpName (ETmpFileCreationMode mode=eTmpFileGetName)   Get temporary file name. More...
  static string  GetTmpNameEx (const string &dir=kEmptyStr, const string &prefix=kEmptyStr, ETmpFileCreationMode mode=eTmpFileGetName)   Get temporary file name. More...
  static fstream *  CreateTmpFile (const string &filename=kEmptyStr, ETextBinary text_binary=eBinary, EAllowRead allow_read=eAllowRead)   Create temporary file and return pointer to corresponding stream. More...
  static fstream *  CreateTmpFileEx (const string &dir=".", const string &prefix=kEmptyStr, ETextBinary text_binary=eBinary, EAllowRead allow_read=eAllowRead)   Create temporary file and return pointer to corresponding stream. More...
  void  GetDefaultMode (TMode *user_mode, TMode *group_mode, TMode *other_mode, TSpecialModeBits *special) const   Get the default mode. More...
  mode_t  GetDefaultModeT (void) const   static void  GetDefaultModeGlobal (EType entry_type, TMode *user_mode, TMode *group_mode, TMode *other_mode, TSpecialModeBits *special)   Get the default global mode. More...
 

CFile –.

Define class to work with regular files. NOTE: it don't work with any special or block devices like /dev/null

Models a file in a file system. Basic functionality is derived from CDirEntry and extended for files.

Definition at line 1604 of file ncbifile.hpp.

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