(file) Return to Dir.h CVS log (file) (dir) Up to [Pegasus] / pegasus / src / Pegasus / Common

  1 karl  1.17 //%2004////////////////////////////////////////////////////////////////////////
  2 mike  1.8  //
  3 karl  1.17 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
  4            // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
  5            // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
  6 karl  1.13 // IBM Corp.; EMC Corporation, The Open Group.
  7 karl  1.17 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
  8            // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
  9 mike  1.8  //
 10            // Permission is hereby granted, free of charge, to any person obtaining a copy
 11 kumpf 1.9  // of this software and associated documentation files (the "Software"), to
 12            // deal in the Software without restriction, including without limitation the
 13            // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 14 mike  1.8  // sell copies of the Software, and to permit persons to whom the Software is
 15            // furnished to do so, subject to the following conditions:
 16            // 
 17 kumpf 1.9  // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
 18 mike  1.8  // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
 19            // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 20 kumpf 1.9  // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 21            // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 22            // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 23 mike  1.8  // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 24            // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 25            //
 26            //==============================================================================
 27            //
 28            // Author: Mike Brasher (mbrasher@bmc.com)
 29            //
 30 a.arora 1.14 // Modified By: Amit K Arora, IBM (amita@in.ibm.com)
 31 mike    1.8  //
 32              //%/////////////////////////////////////////////////////////////////////////////
 33              
 34              #ifndef Pegasus_Dir_h
 35              #define Pegasus_Dir_h
 36              
 37              #include <Pegasus/Common/Config.h>
 38              #include <Pegasus/Common/String.h>
 39 kumpf   1.11 #include <Pegasus/Common/InternalException.h>
 40 kumpf   1.10 #include <Pegasus/Common/Linkage.h>
 41 a.arora 1.14 #include <Pegasus/Common/AutoPtr.h> 
 42 mike    1.8  
 43              PEGASUS_NAMESPACE_BEGIN
 44              
 45 a.arora 1.15 #if defined(PEGASUS_OS_TYPE_WINDOWS)
 46 gs.keenan 1.21  #include <io.h>
 47 a.arora   1.15 typedef struct 
 48                {
 49                    long file;
 50                    struct _finddata_t findData;
 51                } DirRep;
 52 gs.keenan 1.21 #elif defined(PEGASUS_OS_TYPE_UNIX) || defined (PEGASUS_OS_VMS)
 53                 #if defined(PEGASUS_OS_SOLARIS)
 54                  #include <sys/param.h>
 55                 #endif /* if defined(PEGASUS_OS_SOLARIS) */
 56                
 57                 #include <dirent.h>
 58                
 59                 #ifndef PEGASUS_OS_VMS
 60                  #define PEGASUS_HAS_READDIR_R
 61                 #endif /* ifndef PEGASUS_OS_VMS */
 62 a.arora   1.15 
 63 gs.keenan 1.20 typedef struct
 64 a.arora   1.15 {
 65                    DIR* dir;
 66 gs.keenan 1.21  #ifdef PEGASUS_OS_OS400
 67 a.arora   1.15     struct dirent_lg* entry;
 68 gs.keenan 1.21  #else /* ifdef PEGASUS_OS_OS400 */
 69 a.arora   1.15     struct dirent* entry;
 70 gs.keenan 1.21  #endif /* ifdef PEGASUS_OS_OS400 */
 71                 #ifdef PEGASUS_HAS_READDIR_R
 72                  #ifdef PEGASUS_OS_OS400
 73 a.arora   1.15     struct dirent_lg buffer;
 74 gs.keenan 1.21   #else /* ifdef PEGASUS_OS_OS400 */
 75                   #ifdef PEGASUS_OS_SOLARIS
 76 a.arora   1.15 private:
 77                        char buf[sizeof(dirent) + MAXNAMELEN];
 78                public:
 79                        struct dirent &buffer;
 80                        inline DirRep()
 81                                : buffer(*reinterpret_cast<struct dirent *>(buf))
 82                        { }
 83 gs.keenan 1.21    #else /* ifdef PEGASUS_OS_SOLARIS */
 84 a.arora   1.15     struct dirent buffer;
 85 gs.keenan 1.21    #endif /* ifdef PEGASUS_OS_SOLARIS */
 86                  #endif /* ifdef PEGASUS_OS_OS400 */
 87                 #endif /* ifdef PEGASUS_HAS_READDIR_R */
 88 gs.keenan 1.20 } DirRep;
 89 gs.keenan 1.21 #endif /* elif defined(PEGASUS_OS_TYPE_UNIX) || defined (PEGASUS_OS_VMS) */
 90 mike      1.8  
 91                /** The Dir class provides a platform independent way of iterating the
 92                    files in a directory.
 93                */
 94                class PEGASUS_COMMON_LINKAGE Dir
 95                {
 96                public:
 97                
 98                    /** Starts this iterator class on the given path.
 99                	@param String path is the path to the target directory 
100                	@return
101                	@exception throws CannotOpenDirectory if invalid directory.
102                
103                	<pre>
104                	char* path = "."
105                	try
106                	{ 
107                	   for (Dir dir(path); dir.more(); dir.next())
108                	   {
109                	       cout << "name: " << dir.getName() << endl;
110                	   }
111 mike      1.8  	}
112                	catch(CannotOpenDirectory&)
113                	{
114                	   // Error!
115                	}
116                	</pre>
117                    */
118                    Dir(const String& path);
119                
120                    /** Release any iterator resources. */
121                    ~Dir();
122                
123                    /** Return true if there are more file names to iterator. */
124                    Boolean more() const { return _more; }
125 bafna.mukesh 1.18  
126                       #if defined(PEGASUS_PLATFORM_DARWIN_PPC_GNU)
127                       /** Returns the file inode number. */
128                       const Uint32 getInode() const;
129                       #endif
130 mike         1.8  
131                       /** Returns the current file name. */
132                       const char* getName() const;
133                   
134                       /** Advance to next file in directory. */
135                       void next();
136                   
137                   private:
138                   
139                       Boolean _more;
140                       Boolean _isValid;
141 kumpf        1.12     String _path;
142 a.arora      1.15     DirRep _dirRep;
143 mike         1.8  };
144                   
145                   PEGASUS_NAMESPACE_END
146                   
147                   #endif /* Pegasus_Dir_h */

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