DirectoryList.cpp

00001 /**
00002  *  DirectoryList library
00003  *
00004  *  @author  Tedd OKANO
00005  *  @version 0.1
00006  *  @date    Jan-2015
00007  *
00008  *  A simple directory listing interface
00009  */
00010 
00011 #include    "mbed.h"
00012 #include    "DirectoryList.h"
00013 #include    <algorithm>
00014 
00015 DirectoryList::DirectoryList( char *path ) : error_flag( NOT_INITIALIZED )
00016 {
00017     init( string( path ) );
00018 }
00019 
00020 DirectoryList::DirectoryList( std::string path ) : error_flag( NOT_INITIALIZED )
00021 {
00022     init( path );
00023 }
00024 
00025 void DirectoryList::init( std::string path )
00026 {
00027     DIR             *dir;
00028     struct dirent   *dp;
00029 
00030     if ( NULL == (dir   = opendir( path.c_str() )) ) {
00031         error_flag  = ERROR_AT_FILE_OPEN;
00032         return;
00033     }
00034 
00035     while ( NULL != (dp    = readdir( dir )) )
00036         this->push_back( dp->d_name );
00037 
00038     closedir( dir );
00039 
00040     std::sort( this->begin(), this->end() );
00041     error_flag  = NO_ERROR;
00042 }
00043 
00044 DirectoryList::~DirectoryList()
00045 {
00046 }
00047 
00048 int DirectoryList::error_check( void )
00049 {
00050     return error_flag;
00051 }