ossimDirectoryTree Class Reference

#include <ossimDirectoryTree.h>

Classes
class	ossimDirData

Public Member Functions
	ossimDirectoryTree ()
	~ossimDirectoryTree ()
bool	open (const ossimFilename &dir)
bool	isOpened () const
bool	getFirst (ossimFilename &filename, int flags=ossimDirectory::OSSIM_DIR_DEFAULT)
bool	getNext (ossimFilename &filename)
void	findAllFilesThatMatch (std::vector< ossimFilename > &result, const ossimString &regularExpressionPattern, int flags=ossimDirectory::OSSIM_DIR_DEFAULT)

Private Member Functions
void	deleteAll ()
void	checkToPushDirectory (const ossimFilename &filename)
	ossimDirectoryTree (const ossimDirectoryTree &rhs)
const ossimDirectoryTree &	operator= (const ossimDirectoryTree &rhs)

Private Attributes
queue< ossimFilename >	theDirectoryQueue
ossimDirData *	theCurrentDirectoryData
int	theFlags

Detailed Description

Definition at line 18 of file ossimDirectoryTree.h.

Constructor & Destructor Documentation

ossimDirectoryTree() [1/2]

ossimDirectoryTree::ossimDirectoryTree

(

)

Definition at line 14 of file ossimDirectoryTree.cpp.

   :
      theCurrentDirectoryData(NULL),
      theFlags(0)
{
}

~ossimDirectoryTree()

ossimDirectoryTree::~ossimDirectoryTree

(

)

Definition at line 21 of file ossimDirectoryTree.cpp.

References deleteAll().

{
   deleteAll();
}

ossimDirectoryTree() [2/2]

ossimDirectoryTree::ossimDirectoryTree ( const ossimDirectoryTree &  rhs )

private

Member Function Documentation

checkToPushDirectory()

void ossimDirectoryTree::checkToPushDirectory ( const ossimFilename &  filename )

private

Definition at line 144 of file ossimDirectoryTree.cpp.

References ossimFilename::file(), ossimFilename::isDir(), theDirectoryQueue, and ossimString::trim().

Referenced by getFirst(), and getNext().

{
   if((filename.file().trim() == ".") ||
      (filename.file().trim() == ".."))
   {
      return;
   }
   else if(filename.isDir())
   {
      theDirectoryQueue.push(filename);
   }
}

deleteAll()

void ossimDirectoryTree::deleteAll ( )

private

Definition at line 135 of file ossimDirectoryTree.cpp.

References theCurrentDirectoryData.

Referenced by open(), and ~ossimDirectoryTree().

{
   if(theCurrentDirectoryData)
   {
      delete theCurrentDirectoryData;
      theCurrentDirectoryData = NULL;
   }
}

findAllFilesThatMatch()

void ossimDirectoryTree::findAllFilesThatMatch	(	std::vector< ossimFilename > &	result,
		const ossimString &	regularExpressionPattern,
		int	flags = ossimDirectory::OSSIM_DIR_DEFAULT
	)

Definition at line 26 of file ossimDirectoryTree.cpp.

References ossimString::c_str(), ossimRegExp::compile(), ossimRegExp::find(), getFirst(), and getNext().

{
  ossimFilename filename;
  ossimRegExp   regExpr;
  regExpr.compile(regularExpressionPattern.c_str());
  if(getFirst(filename, flags))
  {
     do
     {
        if(regExpr.find(filename.c_str()))
        {
           result.push_back(filename);
        }
     }while(getNext(filename));
  }
}

getFirst()

bool ossimDirectoryTree::getFirst	(	ossimFilename &	filename,
		int	flags = ossimDirectory::OSSIM_DIR_DEFAULT
	)

Definition at line 77 of file ossimDirectoryTree.cpp.

References checkToPushDirectory(), ossimDirectory::getFirst(), ossimDirectory::getNext(), ossimFilename::isDir(), isOpened(), ossimDirectory::open(), ossimDirectory::OSSIM_DIR_DIRS, theCurrentDirectoryData, ossimDirectoryTree::ossimDirData::theDirectory, theDirectoryQueue, and theFlags.

Referenced by findAllFilesThatMatch(), and getNext().

{
   bool result = false;
   theFlags    = flags | ossimDirectory::OSSIM_DIR_DIRS;
   if(theCurrentDirectoryData && isOpened())
   {
      result = theCurrentDirectoryData->theDirectory->getFirst(filename,
                                                               flags);
      while(result&&filename.isDir())
      {
         checkToPushDirectory(filename);
         result = theCurrentDirectoryData->theDirectory->getNext(filename);
      }

      if(!result)
      {
         if(!theDirectoryQueue.empty())
         {
            ossimFilename newDir = theDirectoryQueue.front();
            theDirectoryQueue.pop();
            theCurrentDirectoryData->theDirectory->open(newDir);
            
            return getFirst(filename, flags);
         }
      }
   }
   
   return result;
}

getNext()

bool ossimDirectoryTree::getNext

(

ossimFilename &

filename

)

Definition at line 109 of file ossimDirectoryTree.cpp.

References checkToPushDirectory(), getFirst(), ossimDirectory::getNext(), ossimDirectory::open(), theCurrentDirectoryData, ossimDirectoryTree::ossimDirData::theDirectory, and theDirectoryQueue.

Referenced by findAllFilesThatMatch().

{
   bool result = false;
   
   if(theCurrentDirectoryData)
   {
      result = theCurrentDirectoryData->theDirectory->getNext(filename);
      if(result)
      {
         checkToPushDirectory(filename);
      }
      else
      {
         if(!theDirectoryQueue.empty())
         {
            ossimFilename newDir = theDirectoryQueue.front();
            theDirectoryQueue.pop();
            theCurrentDirectoryData->theDirectory->open(newDir);
            return getFirst(filename);
         }
      }
   }
   
   return result;
}

isOpened()

bool ossimDirectoryTree::isOpened

(

)

const

Definition at line 67 of file ossimDirectoryTree.cpp.

References ossimDirectory::isOpened(), theCurrentDirectoryData, and ossimDirectoryTree::ossimDirData::theDirectory.

Referenced by getFirst(), and open().

{
   if(theCurrentDirectoryData)
   {
      return theCurrentDirectoryData->theDirectory->isOpened();
   }
   
   return false;
}

open()

bool ossimDirectoryTree::open

(

const ossimFilename &

dir

)

Definition at line 45 of file ossimDirectoryTree.cpp.

References deleteAll(), isOpened(), ossimDirectory::isOpened(), ossimDirectory::open(), theCurrentDirectoryData, and ossimDirectoryTree::ossimDirData::theDirectory.

{
   if(theCurrentDirectoryData)
   {
      deleteAll();
   }

   theCurrentDirectoryData = new ossimDirData(new ossimDirectory, dir);
   theCurrentDirectoryData->theDirectory->open(dir);
   if(theCurrentDirectoryData->theDirectory->isOpened())
   {
      return true;
   }
   else
   {
      delete theCurrentDirectoryData;
      theCurrentDirectoryData = NULL;
   }

   return isOpened();
}

operator=()

const ossimDirectoryTree& ossimDirectoryTree::operator= ( const ossimDirectoryTree &  rhs )

private

Member Data Documentation

theCurrentDirectoryData

ossimDirData* ossimDirectoryTree::theCurrentDirectoryData

private

Definition at line 62 of file ossimDirectoryTree.h.

Referenced by deleteAll(), getFirst(), getNext(), isOpened(), and open().

theDirectoryQueue

queue<ossimFilename> ossimDirectoryTree::theDirectoryQueue

private

Definition at line 61 of file ossimDirectoryTree.h.

Referenced by checkToPushDirectory(), getFirst(), and getNext().

theFlags

int ossimDirectoryTree::theFlags

private

Definition at line 63 of file ossimDirectoryTree.h.

Referenced by getFirst().

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The documentation for this class was generated from the following files:

• ossimDirectoryTree.h
• ossimDirectoryTree.cpp