Directory Class Reference

#include <Directory.h>

Collaboration diagram for Directory:

Public Member Functions
	Directory (const std::string &dirname_)
	~Directory ()
void	Rewind ()
bool	End () const
std::string	BaseName () const
std::string	FullName () const
std::string	DirName () const
void	Next ()
bool	IsDirectory () const
bool	IsRegularFile () const
std::size_t	Size () const

Private Member Functions
void	Stat () const

Private Attributes
DIR *	dir
std::string	dirname
dirent *	entry
struct stat	status
bool	stated

Detailed Description

Definition at line 33 of file Directory.h.

Constructor & Destructor Documentation

Directory::Directory

(

const std::string &

dirname_

)

Definition at line 27 of file Directory.cc.

References dir, dirname, and Next().

    : dir(0),dirname(dirname_), entry(0), stated(false)
{
    dir = opendir(dirname.c_str());
    if (!dir) {
        throw ErrnoException();
    }
    Next();
}

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Directory::~Directory

(

)

Definition at line 37 of file Directory.cc.

References dir.

                      {
    closedir(dir);
}

Member Function Documentation

std::string Directory::BaseName

(

)

const

Get the name of the current file in the directory

Definition at line 50 of file Directory.cc.

References entry.

Referenced by FullName().

                                    {
    return std::string(entry->d_name);
}

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std::string Directory::DirName ( ) const

inline

Definition at line 55 of file Directory.h.

References dirname.

Referenced by FullName().

{ return dirname; }

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bool Directory::End ( ) const

inline

Returns

true if we are at the end of the directory.

Definition at line 48 of file Directory.h.

References entry.

Referenced by CPN::NodeLoader::SearchDirectory().

{ return entry == 0; }

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std::string Directory::FullName ( ) const

inline

Definition at line 54 of file Directory.h.

References BaseName(), and DirName().

{ return DirName() + "/" + BaseName(); }

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bool Directory::IsDirectory

(

)

const

Definition at line 54 of file Directory.cc.

References Stat(), and status.

                                  {
    Stat();
    return S_ISDIR(status.st_mode);
}

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bool Directory::IsRegularFile

(

)

const

Definition at line 59 of file Directory.cc.

References Stat(), and status.

                                    {
    Stat();
    return S_ISREG(status.st_mode);
}

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void Directory::Next

(

)

Move to the next file in the directory.

Definition at line 45 of file Directory.cc.

References dir, entry, and stated.

Referenced by Directory().

                     {
    entry = readdir(dir);
    stated = false;
}

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void Directory::Rewind

(

)

Rewind to the beginning of the directory.

Definition at line 41 of file Directory.cc.

References dir.

                       {
    rewinddir(dir);
}

std::size_t Directory::Size

(

)

const

Definition at line 64 of file Directory.cc.

References Stat(), and status.

                                {
    Stat();
    return status.st_size;
}

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void Directory::Stat ( ) const

private

Definition at line 69 of file Directory.cc.

References dirname, entry, stated, and status.

Referenced by IsDirectory(), IsRegularFile(), and Size().

                           {
    if (!stated) {
        std::string fpath = dirname + "/" + entry->d_name;
        if (stat(fpath.c_str(), &status) != 0) {
            throw ErrnoException();
        }
        stated = true;
    }
}

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Member Data Documentation

DIR* Directory::dir

private

Definition at line 67 of file Directory.h.

Referenced by Directory(), Next(), Rewind(), and ~Directory().

std::string Directory::dirname

private

Definition at line 68 of file Directory.h.

Referenced by Directory(), DirName(), and Stat().

dirent* Directory::entry

private

Definition at line 69 of file Directory.h.

Referenced by BaseName(), End(), Next(), and Stat().

bool Directory::stated

mutableprivate

Definition at line 71 of file Directory.h.

Referenced by Next(), and Stat().

struct stat Directory::status

private

Definition at line 70 of file Directory.h.

Referenced by IsDirectory(), IsRegularFile(), Size(), and Stat().

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

• include/cpn/utils/Directory.h
• lib/utils/Directory.cc