1 martin 1.8 //%LICENSE////////////////////////////////////////////////////////////////
  2            // 
  3            // Licensed to The Open Group (TOG) under one or more contributor license
  4            // agreements.  Refer to the OpenPegasusNOTICE.txt file distributed with
  5            // this work for additional information regarding copyright ownership.
  6            // Each contributor licenses this file to you under the OpenPegasus Open
  7            // Source License; you may not use this file except in compliance with the
  8            // License.
  9            // 
 10            // Permission is hereby granted, free of charge, to any person obtaining a
 11            // copy of this software and associated documentation files (the "Software"),
 12            // to deal in the Software without restriction, including without limitation
 13            // the rights to use, copy, modify, merge, publish, distribute, sublicense,
 14            // and/or sell copies of the Software, and to permit persons to whom the
 15            // Software is furnished to do so, subject to the following conditions:
 16            // 
 17            // The above copyright notice and this permission notice shall be included
 18            // in all copies or substantial portions of the Software.
 19            // 
 20            // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 21            // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
 22 martin 1.8 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 23            // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 24            // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 25            // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 26            // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 27 mike   1.2 // 

 28 martin 1.8 //////////////////////////////////////////////////////////////////////////

 29 mike   1.2 //
 30            //%/////////////////////////////////////////////////////////////////////////////
 31            
 32            #include "Dir.h"
 33            #include "InternalException.h"
 34            
 35            #include <iostream>

 36 kumpf  1.7 #include <errno.h>

 37 mike   1.2 
 38            PEGASUS_NAMESPACE_BEGIN
 39            
 40            // Clone the string to a plain old C-String and null out
 41            // trailing slash (if any).
 42            
 43            static CString _clonePath(const String& path)
 44            {
 45                String clone = path;
 46            
 47                if (clone.size() && clone[clone.size()-1] == '/')
 48                    clone.remove(clone.size()-1);
 49            
 50                return clone.getCString();
 51            }
 52            
 53            Dir::Dir(const String& path)
 54                : _path(path)
 55            {

 56 ouyang.jian 1.4     _dirRep.dir = opendir(_clonePath(_path));

 57 mike        1.2 
 58                     if (_dirRep.dir)
 59                     {

 60 kumpf       1.7 #if defined(PEGASUS_OS_ZOS) || defined(PEGASUS_OS_VMS)
 61                         // ATTN: DO NOT REMOVE THE errno = 0 assignment.

 62 marek       1.6         // Reason: On some platforms readdir_r is a wrapper around
 63                         // readdir. Without errno set to 0, readdir reports a bad return
 64                         // code even in the case that just the end of directory was reached.

 65 kumpf       1.7         errno = 0;
 66                 #endif

 67 kumpf       1.3         // Need to use readdir_r since we are multithreaded
 68                         if (readdir_r(_dirRep.dir, &_dirRep.buffer, &_dirRep.entry) != 0)

 69 mike        1.2         {

 70 kumpf       1.3             _more = false;

 71 mike        1.2             closedir(_dirRep.dir);

 72 kumpf       1.3             throw CannotOpenDirectory(_path);

 73 mike        1.2         }

 74 kumpf       1.3         _more = _dirRep.entry != NULL;

 75 mike        1.2     }
 76                     else
 77                     {

 78 kumpf       1.3         _more = false;
 79                         throw CannotOpenDirectory(_path);

 80 mike        1.2     }
 81                 }
 82                 
 83                 Dir::~Dir()
 84                 {
 85                     if (_dirRep.dir)

 86 kumpf       1.3         closedir(_dirRep.dir);

 87 mike        1.2 
 88                 }
 89                 
 90                 
 91                 const char* Dir::getName() const
 92                 {
 93                     return _more ? _dirRep.entry->d_name : "";
 94                 }
 95                 
 96                 void Dir::next()
 97                 {
 98                     if (_more)
 99                     {

100 kumpf       1.7 #if defined(PEGASUS_OS_ZOS) || defined(PEGASUS_OS_VMS)
101                         // ATTN: DO NOT REMOVE THE errno = 0 assignment.

102 marek       1.6         // Reason: On some platforms readdir_r is a wrapper around
103                         // readdir. Without errno set to 0, readdir reports a bad return
104                         // code even in the case that just the end of directory was reached.

105 kumpf       1.7         errno = 0;
106                 #endif

107 kumpf       1.3         // Need to use readdir_r since we are multithreaded

108 kumpf       1.5         if (readdir_r(_dirRep.dir, &_dirRep.buffer, &_dirRep.entry) != 0)

109 mike        1.2         {

110 kumpf       1.3             _more = false;
111                             throw CannotOpenDirectory(_path);

112 mike        1.2         }

113 kumpf       1.3         _more = _dirRep.entry != NULL;

114 mike        1.2     }
115                 }
116                 
117                 PEGASUS_NAMESPACE_END