-// gdcmDirList.cxx
-//-----------------------------------------------------------------------------
-#include "gdcmDirList.h"
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmDirList.cxx,v $
+ Language: C++
+ Date: $Date: 2005/11/28 15:20:33 $
+ Version: $Revision: 1.54 $
+
+ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
+ l'Image). All rights reserved. See Doc/License.txt or
+ http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the above copyright notices for more information.
+
+=========================================================================*/
-#include <iostream>
-#include <algorithm>
+#include "gdcmDirList.h"
+#include "gdcmUtil.h"
+#include "gdcmDebug.h"
-#ifdef GDCM_NO_ANSI_STRING_STREAM
- #include <strstream>
- #define ostringstream ostrstream
-#else
- #include <sstream>
-#endif
+#include <iterator>
+#include <assert.h>
+#include <errno.h>
+#include <sys/stat.h> //stat function
-#ifdef _MSC_VER
+#ifdef _MSC_VER
#include <windows.h>
#include <direct.h>
#else
#include <dirent.h>
- #include <unistd.h>
+ #include <sys/types.h>
#endif
-//-----------------------------------------------------------------------------
-const char gdcmDirList::SEPARATOR_X = '/';
-const char gdcmDirList::SEPARATOR_WIN = '\\';
-const std::string gdcmDirList::SEPARATOR = "/";
-
+namespace gdcm
+{
//-----------------------------------------------------------------------------
// Constructor / Destructor
-/*
- * \ingroup gdcmDirList
+/**
* \brief Constructor
- * @param dirName
- * @param recursive
+ * @param dirName root directory name
+ * @param recursive whether we want to explore recursively or not
*/
-gdcmDirList::gdcmDirList(std::string dirName,bool recursive)
+DirList::DirList(std::string const &dirName, bool recursive)
{
- name=dirName;
-
- NormalizePath(name);
- Explore(name,recursive);
+ DirName = dirName;
+ Explore(dirName, recursive);
}
-/*
- * \ingroup gdcmDirList
+/**
* \brief Destructor
*/
-gdcmDirList::~gdcmDirList(void)
+DirList::~DirList()
{
}
-//-----------------------------------------------------------------------------
-// Print
-
//-----------------------------------------------------------------------------
// Public
-/*
- * \ingroup gdcmDirList
- * \brief Get the directory name
- * @param
+/**
+ * \brief Tells us if file name corresponds to a Directory
+ * @param dirName file name to check
+ * @return true if the file IS a Directory
*/
-std::string gdcmDirList::GetDirName(void)
+bool DirList::IsDirectory(std::string const &dirName)
{
- return(name);
+ struct stat fs;
+ assert( dirName[dirName.size()-1] != '/' );
+ if ( stat(dirName.c_str(), &fs) == 0 )
+ {
+#if _WIN32
+ return ((fs.st_mode & _S_IFDIR) != 0);
+#else
+ return S_ISDIR(fs.st_mode);
+#endif
+ }
+ else
+ {
+ const char *str = strerror(errno);
+ gdcmStaticErrorMacro( str );
+ return false;
+ }
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Private
-/*
- * \ingroup gdcmDirList
- * \brief Add a SEPARATOR to the end of the directory name is necessary
- * @param
- */
-void gdcmDirList::NormalizePath(std::string &dirName)
-{
- int size=dirName.size();
- if((dirName[size-1]!=SEPARATOR_X)&&(dirName[size-1]!=SEPARATOR_WIN))
- {
- dirName+=SEPARATOR;
- }
-}
-
-/*
- * \ingroup gdcmDirList
+/**
* \brief Explore a directory with possibility of recursion
- * @param
+ * return number of files read
+ * @param dirpath directory to explore
+ * @param recursive whether we want recursion or not
*/
-void gdcmDirList::Explore(std::string dirName,bool recursive)
+int DirList::Explore(std::string const &dirpath, bool recursive)
{
+ int numberOfFiles = 0;
std::string fileName;
-
- NormalizePath(dirName);
-
-#ifdef _MSC_VER
- WIN32_FIND_DATA fileData;
- HANDLE hFile=FindFirstFile((dirName+"*").c_str(),&fileData);
- int found=true;
-
- while( (hFile!=INVALID_HANDLE_VALUE) && (found) )
+ std::string dirName = Util::NormalizePath(dirpath);
+#ifdef _MSC_VER
+ WIN32_FIND_DATA fileData;
+ assert( dirName[dirName.size()-1] == '/' );
+ HANDLE hFile = FindFirstFile((dirName+"*").c_str(), &fileData);
+
+ for(BOOL b = (hFile != INVALID_HANDLE_VALUE); b;
+ b = FindNextFile(hFile, &fileData))
{
- fileName=fileData.cFileName;
- if(fileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)
+ fileName = fileData.cFileName;
+ if ( fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
{
- if( (fileName!=".") && (fileName!="..") && (recursive) )
- Explore(dirName+fileName,recursive);
+ // Need to check for . and .. to avoid infinite loop
+ if ( fileName != "." && fileName != ".." && recursive )
+ {
+ numberOfFiles += Explore(dirName+fileName,recursive);
+ }
}
else
{
- this->push_back(dirName+fileName);
+ Filenames.push_back(dirName+fileName);
+ numberOfFiles++;
}
-
- found=FindNextFile(hFile,&fileData);
+ }
+ DWORD dwError = GetLastError();
+ if (hFile != INVALID_HANDLE_VALUE) FindClose(hFile);
+ if (dwError != ERROR_NO_MORE_FILES)
+ {
+ gdcmErrorMacro("FindNextFile error. Error is " << dwError);
+ return -1;
}
#else
- struct dirent **namelist;
- int n=scandir(dirName.c_str(), &namelist, 0, alphasort);
+ // Real POSIX implementation: scandir is a BSD extension only, and doesn't
+ // work on debian for example
- for (int i= 0;i < n; i++)
+ DIR* dir = opendir(dirName.c_str());
+ if (!dir)
{
- fileName=namelist[i]->d_name;
- if(namelist[i]->d_type==DT_DIR)
+ return 0;
+ }
+
+ // According to POSIX, the dirent structure contains a field char d_name[]
+ // of unspecified size, with at most NAME_MAX characters preceeding the
+ // terminating null character. Use of other fields will harm the porta-
+ // bility of your programs.
+
+ struct stat buf;
+ dirent *d;
+ for (d = readdir(dir); d; d = readdir(dir))
+ {
+ fileName = dirName + d->d_name;
+ if( stat(fileName.c_str(), &buf) != 0 )
+ {
+ const char *str = strerror(errno);
+ gdcmErrorMacro( str );
+ }
+ if ( S_ISREG(buf.st_mode) ) //is it a regular file?
{
- if( (fileName!=".") && (fileName!="..") && (recursive) )
- Explore(dirName+fileName,recursive);
+ Filenames.push_back( fileName );
+ numberOfFiles++;
+ }
+ else if ( S_ISDIR(buf.st_mode) ) //directory?
+ {
+ if ( d->d_name[0] != '.' && recursive ) //we also skip hidden files
+ {
+ numberOfFiles += Explore( fileName, recursive);
+ }
}
else
{
- this->push_back(dirName+fileName);
+ gdcmErrorMacro( "Unexpected error" );
+ return -1;
}
}
+ if( closedir(dir) != 0 )
+ {
+ const char *str = strerror(errno);
+ gdcmErrorMacro( str );
+ }
#endif
+
+ return numberOfFiles;
+}
+
+//-----------------------------------------------------------------------------
+// Print
+/**
+ * \brief Print method
+ * @param os ostream to write to
+ */
+void DirList::Print(std::ostream &os)
+{
+ std::copy(Filenames.begin(), Filenames.end(),
+ std::ostream_iterator<std::string>(os, "\n"));
}
//-----------------------------------------------------------------------------
+} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff