Directory.cxx 5.77 KB
Newer Older
Kitware Robot's avatar
Kitware Robot committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
/*============================================================================
  KWSys - Kitware System Library
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#include "kwsysPrivate.h"
#include KWSYS_HEADER(Directory.hxx)

#include KWSYS_HEADER(Configure.hxx)

Kitware Robot's avatar
Kitware Robot committed
17 18
#include KWSYS_HEADER(Encoding.hxx)

Kitware Robot's avatar
Kitware Robot committed
19 20 21 22 23
// Work-around CMake dependency scanning limitation.  This must
// duplicate the above list of headers.
#if 0
# include "Directory.hxx.in"
# include "Configure.hxx.in"
Kitware Robot's avatar
Kitware Robot committed
24
# include "Encoding.hxx.in"
Kitware Robot's avatar
Kitware Robot committed
25 26
#endif

Kitware Robot's avatar
Kitware Robot committed
27 28 29
#include <string>
#include <vector>

Kitware Robot's avatar
Kitware Robot committed
30 31 32 33 34 35 36 37
namespace KWSYS_NAMESPACE
{

//----------------------------------------------------------------------------
class DirectoryInternals
{
public:
  // Array of Files
Kitware Robot's avatar
Kitware Robot committed
38
  std::vector<std::string> Files;
Kitware Robot's avatar
Kitware Robot committed
39 40

  // Path to Open'ed directory
Kitware Robot's avatar
Kitware Robot committed
41
  std::string Path;
Kitware Robot's avatar
Kitware Robot committed
42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102
};

//----------------------------------------------------------------------------
Directory::Directory()
{
  this->Internal = new DirectoryInternals;
}

//----------------------------------------------------------------------------
Directory::~Directory()
{
  delete this->Internal;
}

//----------------------------------------------------------------------------
unsigned long Directory::GetNumberOfFiles() const
{
  return static_cast<unsigned long>(this->Internal->Files.size());
}

//----------------------------------------------------------------------------
const char* Directory::GetFile(unsigned long dindex) const
{
  if ( dindex >= this->Internal->Files.size() )
    {
    return 0;
    }
  return this->Internal->Files[dindex].c_str();
}

//----------------------------------------------------------------------------
const char* Directory::GetPath() const
{
  return this->Internal->Path.c_str();
}

//----------------------------------------------------------------------------
void Directory::Clear()
{
  this->Internal->Path.resize(0);
  this->Internal->Files.clear();
}

} // namespace KWSYS_NAMESPACE

// First microsoft compilers

#if defined(_MSC_VER) || defined(__WATCOMC__)
#include <windows.h>
#include <io.h>
#include <ctype.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>

namespace KWSYS_NAMESPACE
{

Kitware Robot's avatar
Kitware Robot committed
103
bool Directory::Load(const std::string& name)
Kitware Robot's avatar
Kitware Robot committed
104 105 106 107 108 109 110 111
{
  this->Clear();
#if _MSC_VER < 1300
  long srchHandle;
#else
  intptr_t srchHandle;
#endif
  char* buf;
Kitware Robot's avatar
Kitware Robot committed
112 113
  size_t n = name.size();
  if ( *name.rbegin() == '/' || *name.rbegin() == '\\' )
Kitware Robot's avatar
Kitware Robot committed
114 115
    {
    buf = new char[n + 1 + 1];
Kitware Robot's avatar
Kitware Robot committed
116
    sprintf(buf, "%s*", name.c_str());
Kitware Robot's avatar
Kitware Robot committed
117 118 119
    }
  else
    {
Kitware Robot's avatar
Kitware Robot committed
120 121
    // Make sure the slashes in the wildcard suffix are consistent with the
    // rest of the path
Kitware Robot's avatar
Kitware Robot committed
122
    buf = new char[n + 2 + 1];
Kitware Robot's avatar
Kitware Robot committed
123
    if ( name.find('\\') != name.npos )
Kitware Robot's avatar
Kitware Robot committed
124
      {
Kitware Robot's avatar
Kitware Robot committed
125
      sprintf(buf, "%s\\*", name.c_str());
Kitware Robot's avatar
Kitware Robot committed
126 127 128
      }
    else
      {
Kitware Robot's avatar
Kitware Robot committed
129
      sprintf(buf, "%s/*", name.c_str());
Kitware Robot's avatar
Kitware Robot committed
130
      }
Kitware Robot's avatar
Kitware Robot committed
131
    }
Kitware Robot's avatar
Kitware Robot committed
132
  struct _wfinddata_t data;      // data of current file
Kitware Robot's avatar
Kitware Robot committed
133 134

  // Now put them into the file array
Kitware Robot's avatar
Kitware Robot committed
135
  srchHandle = _wfindfirst((wchar_t*)Encoding::ToWide(buf).c_str(), &data);
Kitware Robot's avatar
Kitware Robot committed
136 137 138 139 140 141 142 143 144 145
  delete [] buf;

  if ( srchHandle == -1 )
    {
    return 0;
    }

  // Loop through names
  do
    {
Kitware Robot's avatar
Kitware Robot committed
146
    this->Internal->Files.push_back(Encoding::ToNarrow(data.name));
Kitware Robot's avatar
Kitware Robot committed
147
    }
Kitware Robot's avatar
Kitware Robot committed
148
  while ( _wfindnext(srchHandle, &data) != -1 );
Kitware Robot's avatar
Kitware Robot committed
149 150 151 152
  this->Internal->Path = name;
  return _findclose(srchHandle) != -1;
}

Kitware Robot's avatar
Kitware Robot committed
153
unsigned long Directory::GetNumberOfFilesInDirectory(const std::string& name)
Kitware Robot's avatar
Kitware Robot committed
154 155 156 157 158 159 160
{
#if _MSC_VER < 1300
  long srchHandle;
#else
  intptr_t srchHandle;
#endif
  char* buf;
Kitware Robot's avatar
Kitware Robot committed
161 162
  size_t n = name.size();
  if ( *name.rbegin() == '/' )
Kitware Robot's avatar
Kitware Robot committed
163 164
    {
    buf = new char[n + 1 + 1];
Kitware Robot's avatar
Kitware Robot committed
165
    sprintf(buf, "%s*", name.c_str());
Kitware Robot's avatar
Kitware Robot committed
166 167 168 169
    }
  else
    {
    buf = new char[n + 2 + 1];
Kitware Robot's avatar
Kitware Robot committed
170
    sprintf(buf, "%s/*", name.c_str());
Kitware Robot's avatar
Kitware Robot committed
171
    }
Kitware Robot's avatar
Kitware Robot committed
172
  struct _wfinddata_t data;      // data of current file
Kitware Robot's avatar
Kitware Robot committed
173 174

  // Now put them into the file array
Kitware Robot's avatar
Kitware Robot committed
175
  srchHandle = _wfindfirst((wchar_t*)Encoding::ToWide(buf).c_str(), &data);
Kitware Robot's avatar
Kitware Robot committed
176 177 178 179 180 181 182 183 184 185 186 187 188
  delete [] buf;

  if ( srchHandle == -1 )
    {
    return 0;
    }

  // Loop through names
  unsigned long count = 0;
  do
    {
    count++;
    }
Kitware Robot's avatar
Kitware Robot committed
189
  while ( _wfindnext(srchHandle, &data) != -1 );
Kitware Robot's avatar
Kitware Robot committed
190 191 192 193 194 195 196 197 198 199 200 201 202
  _findclose(srchHandle);
  return count;
}

} // namespace KWSYS_NAMESPACE

#else

// Now the POSIX style directory access

#include <sys/types.h>
#include <dirent.h>

Kitware Robot's avatar
Kitware Robot committed
203 204 205 206 207 208 209 210 211 212 213 214
// PGI with glibc has trouble with dirent and large file support:
//  http://www.pgroup.com/userforum/viewtopic.php?
//  p=1992&sid=f16167f51964f1a68fe5041b8eb213b6
// Work around the problem by mapping dirent the same way as readdir.
#if defined(__PGI) && defined(__GLIBC__)
# define kwsys_dirent_readdir dirent
# define kwsys_dirent_readdir64 dirent64
# define kwsys_dirent kwsys_dirent_lookup(readdir)
# define kwsys_dirent_lookup(x) kwsys_dirent_lookup_delay(x)
# define kwsys_dirent_lookup_delay(x) kwsys_dirent_##x
#else
# define kwsys_dirent dirent
Kitware Robot's avatar
Kitware Robot committed
215 216 217 218 219
#endif

namespace KWSYS_NAMESPACE
{

Kitware Robot's avatar
Kitware Robot committed
220
bool Directory::Load(const std::string& name)
Kitware Robot's avatar
Kitware Robot committed
221 222 223
{
  this->Clear();
   
Kitware Robot's avatar
Kitware Robot committed
224
  DIR* dir = opendir(name.c_str());
Kitware Robot's avatar
Kitware Robot committed
225 226 227 228 229 230

  if (!dir)
    {
    return 0;
    }

Kitware Robot's avatar
Kitware Robot committed
231
  for (kwsys_dirent* d = readdir(dir); d; d = readdir(dir) )
Kitware Robot's avatar
Kitware Robot committed
232 233 234 235 236 237 238 239
    {
    this->Internal->Files.push_back(d->d_name);
    }
  this->Internal->Path = name;
  closedir(dir);
  return 1;
}

Kitware Robot's avatar
Kitware Robot committed
240
unsigned long Directory::GetNumberOfFilesInDirectory(const std::string& name)
Kitware Robot's avatar
Kitware Robot committed
241
{
Kitware Robot's avatar
Kitware Robot committed
242
  DIR* dir = opendir(name.c_str());
Kitware Robot's avatar
Kitware Robot committed
243

Kitware Robot's avatar
Kitware Robot committed
244 245 246 247 248
  if (!dir)
    {
    return 0;
    }

Kitware Robot's avatar
Kitware Robot committed
249
  unsigned long count = 0;
Kitware Robot's avatar
Kitware Robot committed
250
  for (kwsys_dirent* d = readdir(dir); d; d = readdir(dir) )
Kitware Robot's avatar
Kitware Robot committed
251 252 253 254 255 256 257 258 259 260
    {
    count++;
    }
  closedir(dir);
  return count;
}

} // namespace KWSYS_NAMESPACE

#endif