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IFileMgr.h
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1 // IFileMgr.h
3 // Manages all file open/reopen/close
4 // Author: C.Leggett
6
7 #ifndef GAUDIKERNEL_IFILEMGR_H
8 #define GAUDIKERNEL_IFILEMGR_H 1
9
10 #include "GaudiKernel/ClassID.h"
11 #include "GaudiKernel/IService.h"
12
13 #include <fcntl.h>
14 #include <functional>
15 #include <map>
16 #include <string>
17 #include <vector>
18
19 namespace Io
20 {
21
22 //
23 // Io modes
24 //
25
26 enum IoFlag {
27 READ = O_RDONLY,
28 WRITE = O_WRONLY,
29 RDWR = O_RDWR,
30
31 CREATE = O_CREAT,
32 EXCL = O_EXCL,
33 TRUNC = O_TRUNC,
34
35 APPEND = O_APPEND,
36
37 INVALID = 1 << 31
38 };
39
40 class IoFlags final
41 {
42 public:
43 IoFlags() = default;
44 IoFlags( int i ) : _f( i ){};
45
46 int f() const { return _f; }
47
48 bool operator==( const IoFlags& fa ) const { return ( _f == fa.f() ); }
49 bool operator==( const int& fa ) const { return ( _f == fa ); }
50
51 IoFlags operator|( const IoFlags& fa ) const { return ( _f | fa.f() ); }
52 IoFlags operator|( const int& fa ) const { return ( _f | fa ); }
53
54 operator int() const { return _f; }
55
56 bool isRead() const { return ( _f == READ ); }
57 bool isWrite() const { return ( ( _f & WRITE ) != 0 ); }
58 bool isRdWr() const { return ( ( _f & RDWR ) != 0 ); }
59 bool isInvalid() const { return ( ( _f & INVALID ) != 0 ); }
60
61 bool match( const IoFlags& fa, bool strict = true ) const
62 {
63 if ( strict ) {
64 return ( _f == fa );
65 }
66 // only look at first 2 bits
67 return ( ( _f & 3 ) == ( fa & 3 ) );
68 }
69
70 std::string bits() const
71 {
72 std::string s;
73 int f( _f );
74 const int SHIFT = 8 * sizeof( int ) - 1;
75 const unsigned MASK = 1 << SHIFT;
76
77 for ( int i = 1; i <= SHIFT + 1; ++i ) {
78 s += ( f & MASK ? '1' : '0' );
79 f <<= 1;
80 if ( i % 8 == 0 ) s += ' ';
81 }
82 return s;
83 }
84
85 private:
86 int _f = INVALID;
87 };
88
89 static std::string IoFlagName( IoFlags f )
90 {
91 static const std::map<IoFlag, std::string> s_names = {{{READ, "READ"},
92 {WRITE, "WRITE"},
93 {RDWR, "RDWR"},
94 {CREATE, "CREATE"},
95 {EXCL, "EXCL"},
96 {TRUNC, "TRUNC"},
97 {APPEND, "APPEND"},
98 {INVALID, "INVALID"}}};
99 if ( f.isRead() ) return s_names.at( READ );
100
101 std::string ff;
102 for ( int i = 0; i < 32; ++i ) {
103 auto b = ( 1 << i );
104 if ( b & f ) ff += s_names.at( ( IoFlag )( b ) ) + "|";
105 }
106 ff.erase( ff.length() - 1 );
107 return ff;
108 }
109
110 inline IoFlags IoFlagFromName( const std::string& f )
111 {
112 static const std::map<std::string, IoFlag> s_n = {{{"READ", Io::READ},
113 {"WRITE", Io::WRITE},
114 {"RDWR", Io::RDWR},
115 {"CREATE", Io::CREATE},
116 {"EXCL", Io::EXCL},
117 {"TRUNC", Io::TRUNC},
118 {"APPEND", Io::APPEND},
119 {"INVALID", Io::INVALID}}};
120
121 IoFlags fl( Io::INVALID );
122 size_t j( 0 ), k( 0 );
123 std::string fs;
124 while ( ( k = f.find( "|", j ) ) != std::string::npos ) {
125 fs = f.substr( j, k - j );
126 if ( s_n.find( fs ) == s_n.end() ) {
127 return Io::INVALID;
128 }
129 if ( fl.isInvalid() ) {
130 fl = s_n.at( fs );
131 } else {
132 fl = fl | s_n.at( fs );
133 }
134 j = k + 1;
135 }
136 fs = f.substr( j );
137 if ( s_n.find( fs ) == s_n.end() ) {
138 return Io::INVALID;
139 }
140 if ( fl.isInvalid() ) {
141 fl = s_n.at( fs );
142 } else {
143 fl = fl | s_n.at( fs );
144 }
145 return fl;
146 }
147
148 inline std::ostream& operator<<( std::ostream& s, const IoFlag& f ) { return s << IoFlagName( f ); }
149 inline std::ostream& operator<<( std::ostream& s, const IoFlags& f ) { return s << IoFlagName( f ); }
150
151 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
152
153 //
154 // Technologies
155 //
156
157 enum IoTech { UNKNOWN, POSIX, ROOT, BS, HDF5, SQLITE };
158
159 inline std::ostream& operator<<( std::ostream& s, const IoTech& t )
160 {
161 static const std::array<const char*, SQLITE + 1> tbl = {{"UNKNOWN", "POSIX", "ROOT", "BS", "HDF5", "SQLITE"}};
162 return t < tbl.size() ? s << tbl[t] : s;
163 }
164
165 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
166
167 //
168 // File Attributes
169 //
170
171 typedef int Fd;
172
173 class FileAttr final
174 {
175 public:
176 FileAttr() = default;
177 FileAttr( Fd f, std::string n, std::string d, IoTech t, IoFlags fa, void* p, bool o, bool s = false )
178 : m_fd( f )
179 , m_name( std::move( n ) )
180 , m_desc( std::move( d ) )
181 , m_tech( t )
182 , m_flags( fa )
183 , m_iflags( fa )
184 , m_fptr( p )
185 , m_isOpen( o )
186 , m_shared( s ){};
187
188 Fd fd() const { return m_fd; }
189 const std::string& name() const { return m_name; }
190 const std::string& desc() const { return m_desc; }
191 IoTech tech() const { return m_tech; }
192 IoFlags flags() const { return m_flags; }
193 IoFlags iflags() const { return m_iflags; }
194 void* fptr() const { return m_fptr; }
195 bool isOpen() const { return m_isOpen; }
196 bool isShared() const { return m_shared; }
197
198 void fd( Fd f ) { m_fd = f; }
199 void name( const std::string& n ) { m_name = n; }
200 void desc( const std::string& d ) { m_desc = d; }
201 void tech( const IoTech& t ) { m_tech = t; }
202 void flags( const IoFlags& f ) { m_flags = f; }
203 void iflags( const IoFlags& f ) { m_iflags = f; }
204 void fptr( void* v ) { m_fptr = v; }
205 void isOpen( bool b ) { m_isOpen = b; }
206 void isShared( bool s ) { m_shared = s; }
207
208 friend std::ostream& operator<<( std::ostream& os, const FileAttr& fa )
209 {
210 os << "name: \"" << fa.name() << "\" tech: " << fa.tech() << " desc: " << fa.desc()
211 << " flags: " << IoFlagName( fa.flags() ) << " i_flags: " << IoFlagName( fa.iflags() ) << " Fd: " << fa.fd()
212 << " ptr: " << fa.fptr() << ( fa.isOpen() ? " [o]" : " [c]" ) << ( fa.isShared() ? " [s]" : " [u]" );
213 return os;
214 }
215
216 bool operator==( const FileAttr& fa ) const
217 {
218 return ( m_fd == fa.fd() && m_name == fa.name() && m_desc == fa.desc() && m_tech == fa.tech() &&
219 m_flags == fa.flags() && m_fptr == fa.fptr() && m_isOpen == fa.isOpen() && m_shared == fa.isShared() );
220 }
221
222 bool operator<( const FileAttr& rhs ) const
223 {
224 if ( m_name != rhs.name() ) {
225 return ( m_name < rhs.name() );
226 } else {
227 return ( m_flags < rhs.iflags() );
228 }
229 }
230
231 private:
232 Fd m_fd = -1;
233 std::string m_name;
234 std::string m_desc;
235 IoTech m_tech = UNKNOWN;
236 IoFlags m_flags = INVALID;
237 IoFlags m_iflags = INVALID;
238 void* m_fptr = nullptr;
239 bool m_isOpen = false;
240 bool m_shared = false;
241 };
242
243 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
244
245 //
246 // Handler functions
247 //
248
249 typedef int open_t;
250 typedef int close_t;
251 typedef int reopen_t;
252
253 typedef std::function<Io::open_t( const std::string&, Io::IoFlags, const std::string&, Io::Fd&, void*& )> bfcn_open_t;
254 typedef std::function<Io::close_t( Io::Fd )> bfcn_close_t;
255 typedef std::function<Io::close_t( void* )> bfcn_closeP_t;
256 typedef std::function<Io::reopen_t( Io::Fd, Io::IoFlags )> bfcn_reopen_t;
257 typedef std::function<Io::reopen_t( void*, Io::IoFlags )> bfcn_reopenP_t;
258
259 // file handler functions: open, close, reopen
260 struct FileHdlr final {
261 IoTech tech = UNKNOWN;
262
263 bfcn_open_t b_open_fcn;
264 bfcn_close_t b_close_fcn;
265 bfcn_closeP_t b_closeP_fcn;
266 bfcn_reopen_t b_reopen_fcn;
267 bfcn_reopenP_t b_reopenP_fcn;
268
269 FileHdlr() = default;
270 FileHdlr( IoTech t, bfcn_open_t o, bfcn_close_t c, bfcn_reopen_t r )
271 : tech( t ), b_open_fcn( o ), b_close_fcn( c ), b_reopen_fcn( r ){};
272 FileHdlr( IoTech t, bfcn_open_t o, bfcn_closeP_t c, bfcn_reopenP_t r )
273 : tech( t ), b_open_fcn( o ), b_closeP_fcn( c ), b_reopenP_fcn( r ){};
274 FileHdlr( IoTech t, bfcn_open_t o, bfcn_close_t c1, bfcn_closeP_t c2, bfcn_reopen_t r1, bfcn_reopenP_t r2 )
275 : tech( t ), b_open_fcn( o ), b_close_fcn( c1 ), b_closeP_fcn( c2 ), b_reopen_fcn( r1 ), b_reopenP_fcn( r2 ){};
276 };
277
278 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
279
280 //
281 // Callback Actions
282 //
283
284 enum Action { OPEN = 0, CLOSE, REOPEN, OPEN_ERR, CLOSE_ERR, REOPEN_ERR, INVALID_ACTION };
285
286 inline std::ostream& operator<<( std::ostream& s, const Action& t )
287 {
288 static const std::array<const char*, INVALID_ACTION + 1> tbl = {
289 {"OPEN", "CLOSE", "REOPEN", "OPEN_ERR", "CLOSE_ERR", "REOPEN_ERR", "INVALID_ACTION"}};
290 return t < tbl.size() ? s << tbl[t] : s;
291 }
292
293 #define FILEMGR_CALLBACK_ARGS const Io::FileAttr*, const std::string&
294 typedef std::function<StatusCode( FILEMGR_CALLBACK_ARGS )> bfcn_action_t;
295 }
296
297 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
298 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
299
300 class GAUDI_API IFileMgr : virtual public IService
301 {
302
303 public:
304 DeclareInterfaceID( IFileMgr, 1, 0 );
305
306 // register handler function for file technology
307 virtual StatusCode regHandler( Io::FileHdlr ) = 0;
308
309 virtual StatusCode deregHandler( const Io::IoTech& ) = 0;
310
311 virtual StatusCode hasHandler( const Io::IoTech& ) const = 0;
312
313 // get handler from technology
314 virtual StatusCode getHandler( const Io::IoTech&, Io::FileHdlr& ) const = 0;
315 // get handler from file name
316 virtual StatusCode getHandler( const std::string&, Io::FileHdlr& ) const = 0;
317
318 // get file attributes from file name
319 virtual int getFileAttr( const std::string&, std::vector<const Io::FileAttr*>& ) const = 0;
320 // get file attributes from file descriptor
321 virtual StatusCode getFileAttr( const Io::Fd, const Io::FileAttr*& ) const = 0;
322 // get file attributes from file ptr
323 virtual StatusCode getFileAttr( void*, const Io::FileAttr*& ) const = 0;
324
325 virtual void listHandlers() const = 0;
326 virtual void listFiles() const = 0;
327
328 // get all files known to mgr. return numbers found.
329 // will replace contents of FILES
330 virtual int getFiles( std::vector<std::string>& FILES, bool onlyOpen = true ) const = 0;
331 virtual int getFiles( std::vector<const Io::FileAttr*>& FILES, bool onlyOpen = true ) const = 0;
332
333 // get all files of specific IoTech. returns number found.
334 // will replace contents of FILES
335 virtual int getFiles( const Io::IoTech&, std::vector<std::string>& FILES, bool onlyOpen = true ) const = 0;
336 virtual int getFiles( const Io::IoTech&, std::vector<const Io::FileAttr*>& FILES, bool onlyOpen = true ) const = 0;
337
338 // get all file of specific IoTech and access mode.
339 // will replace contents of FILES
340 // If IoTech == UNKNOWN, get all. returns number found
341 virtual int getFiles( const Io::IoTech&, const Io::IoFlags&, std::vector<std::string>& FILES,
342 bool onlyOpen = true ) const = 0;
343 virtual int getFiles( const Io::IoTech&, const Io::IoFlags&, std::vector<const Io::FileAttr*>& FILES,
344 bool onlyOpen = true ) const = 0;
345
346 // get all descriptors known to mgr. returns number found
347 virtual int getFd( std::vector<Io::Fd>& ) const = 0;
348 // get all descriptors of specific IoTech. return number found
349 virtual int getFd( const Io::IoTech&, std::vector<Io::Fd>& ) const = 0;
350 // get all descriptors of specific IoTech and access mode.
351 // If IoTech == INVALID, get all. returns number found
352 virtual int getFd( const Io::IoTech&, const Io::IoFlags&, std::vector<Io::Fd>& ) const = 0;
353
354 // get file name given Fd or ptr. Returns empty string if fails
355 virtual const std::string& fname( const Io::Fd& ) const = 0;
356 virtual const std::string& fname( void* ) const = 0;
357
358 // get Fd given file name. Returns -1 if fails
359 virtual Io::Fd fd( const std::string& ) const = 0;
360 virtual Io::Fd fd( void* fptr ) const = 0;
361
362 // get ptr given file name. Returns 0 if fails
363 virtual void* fptr( const std::string& ) const = 0;
364 virtual void* fptr( const Io::Fd& ) const = 0;
365
366 virtual int getLastError( std::string& ) const = 0;
367
368 // Open file, get Fd and ptr
369 virtual Io::open_t open( const Io::IoTech&, const std::string& caller, const std::string& fname, const Io::IoFlags&,
370 Io::Fd&, void*&, const std::string& desc, const bool shared = false ) = 0;
371
372 // Open file, get Fd
373 virtual Io::open_t open( const Io::IoTech&, const std::string& caller, const std::string& fname, const Io::IoFlags&,
374 Io::Fd&, const std::string& desc, const bool shared = false ) = 0;
375
376 // Open file, get ptr
377 virtual Io::open_t open( const Io::IoTech&, const std::string& caller, const std::string& fname, const Io::IoFlags&,
378 void*&, const std::string& desc, const bool shared = false ) = 0;
379
380 // Close file by Fd or ptr
381 virtual Io::close_t close( const Io::Fd, const std::string& caller ) = 0;
382 virtual Io::close_t close( void*, const std::string& caller ) = 0;
383
384 // Reopen file by Fd or ptr
385 virtual Io::reopen_t reopen( const Io::Fd, const Io::IoFlags&, const std::string& ) = 0;
386 virtual Io::reopen_t reopen( void*, const Io::IoFlags&, const std::string& ) = 0;
387
388 // Callback actions
389 virtual StatusCode regAction( Io::bfcn_action_t, const Io::Action&, const std::string& d = "" ) = 0;
390 virtual StatusCode regAction( Io::bfcn_action_t, const Io::Action&, const Io::IoTech&,
391 const std::string& d = "" ) = 0;
392
393 // Suppress callback action(s) for specific file.
394 virtual void suppressAction( const std::string& ) = 0;
395 virtual void suppressAction( const std::string&, const Io::Action& ) = 0;
396 };
397 #endif
Io::bfcn_reopenP_t
std::function< Io::reopen_t(void *, Io::IoFlags)> bfcn_reopenP_t
Definition: IFileMgr.h:257
Io::IoTech
IoTech
Definition: IFileMgr.h:157
ClassID.h
HiveAlgSequencer.c2
c2
Definition: HiveAlgSequencer.py:26
Io::FileAttr::flags
void flags(const IoFlags &f)
Definition: IFileMgr.h:202
Io::BS
Definition: IFileMgr.h:157
Io
Definition: IFileMgr.h:19
gaudirun.fd
fd
Definition: gaudirun.py:478
Io::ROOT
Definition: IFileMgr.h:157
Io::HDF5
Definition: IFileMgr.h:157
System::getLastError
GAUDI_API unsigned long getLastError()
Get last system known error.
Definition: System.cpp:280
gaudirun.c
c
Definition: gaudirun.py:407
IFileMgr
Definition: IFileMgr.h:300
Io::REOPEN
Definition: IFileMgr.h:284
Io::TRUNC
Definition: IFileMgr.h:33
std::function< Io::open_t(const std::string &, Io::IoFlags, const std::string &, Io::Fd &, void *&)>
Io::OPEN
Definition: IFileMgr.h:284
Io::reopen_t
int reopen_t
Definition: IFileMgr.h:251
Io::Fd
int Fd
Definition: IFileMgr.h:171
Io::INVALID
Definition: IFileMgr.h:37
Io::FileHdlr::b_reopen_fcn
bfcn_reopen_t b_reopen_fcn
Definition: IFileMgr.h:266
Io::IoFlag
IoFlag
Definition: IFileMgr.h:26
Io::FileAttr::name
void name(const std::string &n)
Definition: IFileMgr.h:199
Io::bfcn_close_t
std::function< Io::close_t(Io::Fd)> bfcn_close_t
Definition: IFileMgr.h:254
Io::FileAttr::fptr
void * fptr() const
Definition: IFileMgr.h:194
Io::open_t
int open_t
Definition: IFileMgr.h:249
std
STL namespace.
Io::FileAttr::isOpen
bool isOpen() const
Definition: IFileMgr.h:195
Io::RDWR
Definition: IFileMgr.h:29
Io::bfcn_reopen_t
std::function< Io::reopen_t(Io::Fd, Io::IoFlags)> bfcn_reopen_t
Definition: IFileMgr.h:256
std::map::end
T end(T...args)
Io::bfcn_open_t
std::function< Io::open_t(const std::string &, Io::IoFlags, const std::string &, Io::Fd &, void *&)> bfcn_open_t
Definition: IFileMgr.h:253
Io::FileAttr::operator==
bool operator==(const FileAttr &fa) const
Definition: IFileMgr.h:216
Io::EXCL
Definition: IFileMgr.h:32
Io::FileAttr::fd
Fd fd() const
Definition: IFileMgr.h:188
Io::INVALID_ACTION
Definition: IFileMgr.h:284
Io::FileHdlr::FileHdlr
FileHdlr(IoTech t, bfcn_open_t o, bfcn_close_t c, bfcn_reopen_t r)
Definition: IFileMgr.h:270
Io::REOPEN_ERR
Definition: IFileMgr.h:284
std::map
STL class.
Io::IoFlags::bits
std::string bits() const
Definition: IFileMgr.h:70
Io::FileAttr::fptr
void fptr(void *v)
Definition: IFileMgr.h:204
std::string
STL class.
Io::CLOSE
Definition: IFileMgr.h:284
Io::IoFlags::IoFlags
IoFlags(int i)
Definition: IFileMgr.h:44
Io::bfcn_closeP_t
std::function< Io::close_t(void *)> bfcn_closeP_t
Definition: IFileMgr.h:255
Io::FileAttr::FileAttr
FileAttr(Fd f, std::string n, std::string d, IoTech t, IoFlags fa, void *p, bool o, bool s=false)
Definition: IFileMgr.h:177
Io::Action
Action
Definition: IFileMgr.h:284
std::map::at
T at(T...args)
Io::CLOSE_ERR
Definition: IFileMgr.h:284
GaudiPluginService.cpluginsvc.n
n
Definition: cpluginsvc.py:228
Io::FileAttr::name
const std::string & name() const
Definition: IFileMgr.h:189
Io::SQLITE
Definition: IFileMgr.h:157
Io::FileAttr::iflags
void iflags(const IoFlags &f)
Definition: IFileMgr.h:203
Io::IoFlags::operator==
bool operator==(const int &fa) const
Definition: IFileMgr.h:49
Io::POSIX
Definition: IFileMgr.h:157
Io::IoFlagFromName
IoFlags IoFlagFromName(const std::string &f)
Definition: IFileMgr.h:110
Io::FileAttr::operator<
bool operator<(const FileAttr &rhs) const
Definition: IFileMgr.h:222
Io::FileAttr::desc
const std::string & desc() const
Definition: IFileMgr.h:190
Io::FileAttr::isShared
bool isShared() const
Definition: IFileMgr.h:196
Io::WRITE
Definition: IFileMgr.h:28
Io::IoFlags::_f
int _f
Definition: IFileMgr.h:86
IService
General service interface definition.
Definition: IService.h:18
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
DeclareInterfaceID
#define DeclareInterfaceID(iface, major, minor)
Macro to declare the interface ID when using the new mechanism of extending and implementing interfac...
Definition: IInterface.h:13
Io::FileAttr::fd
void fd(Fd f)
Definition: IFileMgr.h:198
Io::IoFlags
Definition: IFileMgr.h:40
Io::IoFlags::isWrite
bool isWrite() const
Definition: IFileMgr.h:57
Io::FileHdlr::b_close_fcn
bfcn_close_t b_close_fcn
Definition: IFileMgr.h:264
Io::IoFlags::operator==
bool operator==(const IoFlags &fa) const
Definition: IFileMgr.h:48
Io::operator<<
std::ostream & operator<<(std::ostream &s, const IoFlag &f)
Definition: IFileMgr.h:148
std::string::erase
T erase(T...args)
Io::FileHdlr
Definition: IFileMgr.h:260
Io::FileHdlr::b_closeP_fcn
bfcn_closeP_t b_closeP_fcn
Definition: IFileMgr.h:265
Io::FileAttr::m_desc
std::string m_desc
Definition: IFileMgr.h:234
Io::READ
Definition: IFileMgr.h:27
Io::FileHdlr::FileHdlr
FileHdlr(IoTech t, bfcn_open_t o, bfcn_closeP_t c, bfcn_reopenP_t r)
Definition: IFileMgr.h:272
Io::FileHdlr::b_reopenP_fcn
bfcn_reopenP_t b_reopenP_fcn
Definition: IFileMgr.h:267
IService.h
Io::bfcn_action_t
std::function< StatusCode(FILEMGR_CALLBACK_ARGS)> bfcn_action_t
Definition: IFileMgr.h:294
Io::FileAttr::tech
void tech(const IoTech &t)
Definition: IFileMgr.h:201
Io::FileAttr::iflags
IoFlags iflags() const
Definition: IFileMgr.h:193
Io::FileHdlr::FileHdlr
FileHdlr(IoTech t, bfcn_open_t o, bfcn_close_t c1, bfcn_closeP_t c2, bfcn_reopen_t r1, bfcn_reopenP_t r2)
Definition: IFileMgr.h:274
std::string::find
T find(T...args)
Io::APPEND
Definition: IFileMgr.h:35
std::string::length
T length(T...args)
Io::FileHdlr::b_open_fcn
bfcn_open_t b_open_fcn
Definition: IFileMgr.h:263
std::vector
STL class.
Io::FileAttr::tech
IoTech tech() const
Definition: IFileMgr.h:191
Io::IoFlags::match
bool match(const IoFlags &fa, bool strict=true) const
Definition: IFileMgr.h:61
Io::CREATE
Definition: IFileMgr.h:31
gaudirun.s
string s
Definition: gaudirun.py:253
std::array
STL class.
Io::FileAttr::isOpen
void isOpen(bool b)
Definition: IFileMgr.h:205
Io::IoFlags::isRead
bool isRead() const
Definition: IFileMgr.h:56
Io::IoFlags::operator|
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