Io Namespace Reference

Classes
class	FileAttr
struct	FileHdlr
class	IoFlags

Typedefs
typedef int	Fd
typedef int	open_t
typedef int	close_t
typedef int	reopen_t
typedef std::function< Io::open_t(const std::string &, Io::IoFlags, const std::string &, Io::Fd &, void *&)>	bfcn_open_t
typedef std::function< Io::close_t(Io::Fd)>	bfcn_close_t
typedef std::function< Io::close_t(void *)>	bfcn_closeP_t
typedef std::function< Io::reopen_t(Io::Fd, Io::IoFlags)>	bfcn_reopen_t
typedef std::function< Io::reopen_t(void *, Io::IoFlags)>	bfcn_reopenP_t
typedef std::function< StatusCode(FILEMGR_CALLBACK_ARGS)>	bfcn_action_t

Enumerations
enum	IoFlag {   READ = O_RDONLY, WRITE = O_WRONLY, RDWR = O_RDWR, CREATE = O_CREAT,   EXCL = O_EXCL, TRUNC = O_TRUNC, APPEND = O_APPEND, INVALID = 1 << 31 }
enum	IoTech {   UNKNOWN, POSIX, ROOT, BS,   HDF5, SQLITE }
enum	Action {   OPEN = 0, CLOSE, REOPEN, OPEN_ERR,   CLOSE_ERR, REOPEN_ERR, INVALID_ACTION }

Functions
IoFlags	IoFlagFromName (const std::string &f)
std::ostream &	operator<< (std::ostream &s, const IoFlag &f)
std::ostream &	operator<< (std::ostream &s, const IoFlags &f)
std::ostream &	operator<< (std::ostream &s, const IoTech &t)
std::ostream &	operator<< (std::ostream &s, const Action &t)

Typedef Documentation

typedef std::function<StatusCode( FILEMGR_CALLBACK_ARGS )> Io::bfcn_action_t

Definition at line 294 of file IFileMgr.h.

typedef std::function<Io::close_t( Io::Fd )> Io::bfcn_close_t

Definition at line 254 of file IFileMgr.h.

typedef std::function<Io::close_t( void* )> Io::bfcn_closeP_t

Definition at line 255 of file IFileMgr.h.

typedef std::function<Io::open_t( const std::string&, Io::IoFlags, const std::string&, Io::Fd&, void*& )> Io::bfcn_open_t

Definition at line 253 of file IFileMgr.h.

typedef std::function<Io::reopen_t( Io::Fd, Io::IoFlags )> Io::bfcn_reopen_t

Definition at line 256 of file IFileMgr.h.

typedef std::function<Io::reopen_t( void*, Io::IoFlags )> Io::bfcn_reopenP_t

Definition at line 257 of file IFileMgr.h.

typedef int Io::close_t

Definition at line 250 of file IFileMgr.h.

typedef int Io::Fd

Definition at line 171 of file IFileMgr.h.

typedef int Io::open_t

Definition at line 249 of file IFileMgr.h.

typedef int Io::reopen_t

Definition at line 251 of file IFileMgr.h.

Enumeration Type Documentation

enum Io::Action

Enumerator
OPEN
CLOSE
REOPEN
OPEN_ERR
CLOSE_ERR
REOPEN_ERR
INVALID_ACTION

Definition at line 284 of file IFileMgr.h.

{ OPEN = 0, CLOSE, REOPEN, OPEN_ERR, CLOSE_ERR, REOPEN_ERR, INVALID_ACTION };

enum Io::IoFlag

Enumerator
READ
WRITE
RDWR
CREATE
EXCL
TRUNC
APPEND
INVALID

Definition at line 26 of file IFileMgr.h.

              {
    READ  = O_RDONLY,
    WRITE = O_WRONLY,
    RDWR  = O_RDWR,

    CREATE = O_CREAT,
    EXCL   = O_EXCL,
    TRUNC  = O_TRUNC,

    APPEND = O_APPEND,

    INVALID = 1 << 31
  };

enum Io::IoTech

Enumerator
UNKNOWN
POSIX
ROOT
BS
HDF5
SQLITE

Definition at line 157 of file IFileMgr.h.

{ UNKNOWN, POSIX, ROOT, BS, HDF5, SQLITE };

Function Documentation

IoFlags Io::IoFlagFromName ( const std::string &  f )

inline

Definition at line 110 of file IFileMgr.h.

  {
    static const std::map<std::string, IoFlag> s_n = {{{"READ", Io::READ},
                                                       {"WRITE", Io::WRITE},
                                                       {"RDWR", Io::RDWR},
                                                       {"CREATE", Io::CREATE},
                                                       {"EXCL", Io::EXCL},
                                                       {"TRUNC", Io::TRUNC},
                                                       {"APPEND", Io::APPEND},
                                                       {"INVALID", Io::INVALID}}};

    IoFlags fl( Io::INVALID );
    size_t j( 0 ), k( 0 );
    std::string fs;
    while ( ( k = f.find( "|", j ) ) != std::string::npos ) {
      fs = f.substr( j, k - j );
      if ( s_n.find( fs ) == s_n.end() ) {
        return Io::INVALID;
      }
      if ( fl.isInvalid() ) {
        fl = s_n.at( fs );
      } else {
        fl = fl | s_n.at( fs );
      }
      j = k + 1;
    }
    fs = f.substr( j );
    if ( s_n.find( fs ) == s_n.end() ) {
      return Io::INVALID;
    }
    if ( fl.isInvalid() ) {
      fl = s_n.at( fs );
    } else {
      fl = fl | s_n.at( fs );
    }
    return fl;
  }

std::ostream& Io::operator<< ( std::ostream &  s, const IoFlag &  f  )

inline

Definition at line 148 of file IFileMgr.h.

{ return s << IoFlagName( f ); }

std::ostream& Io::operator<< ( std::ostream &  s, const IoFlags &  f  )

inline

Definition at line 149 of file IFileMgr.h.

{ return s << IoFlagName( f ); }

std::ostream& Io::operator<< ( std::ostream &  s, const IoTech &  t  )

inline

Definition at line 159 of file IFileMgr.h.

  {
    static const std::array<const char*, SQLITE + 1> tbl = {{"UNKNOWN", "POSIX", "ROOT", "BS", "HDF5", "SQLITE"}};
    return t < tbl.size() ? s << tbl[t] : s;
  }

std::ostream& Io::operator<< ( std::ostream &  s, const Action &  t  )

inline

Definition at line 286 of file IFileMgr.h.

  {
    static const std::array<const char*, INVALID_ACTION + 1> tbl = {
        {"OPEN", "CLOSE", "REOPEN", "OPEN_ERR", "CLOSE_ERR", "REOPEN_ERR", "INVALID_ACTION"}};
    return t < tbl.size() ? s << tbl[t] : s;
  }