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/*
files for reading entries from a file structure.
Author Paul Sundvall 2006
see LICENSE for details.
$Revision: 530 $
$Id: Dirlist.hh 530 2008-10-03 09:41:29Z pauls $
*/
#ifndef Dirlist_hh
#define Dirlist_hh
#include <string>
#include <cstring>
//class that traverses a directory
class Dirlist {
public:
//constructor
Dirlist(bool followsymlinks,int depth=50) :
m_maxdepth(depth),
m_followsymlinks(followsymlinks)
{
m_report_regular_file= &_do_nothing_;
m_report_failed_on_stat= &_do_nothing_;
m_report_directory= &_do_nothing_;
m_report_symlink= &_do_nothing_;
}
~Dirlist() {}
private:
//the maximum search depth
int m_maxdepth;
//follow symlinks or not
bool m_followsymlinks;
//where to report found files. this is called for every item in all
//directories found by walk.
typedef int (*reportfcntype)(const std::string& , const std::string &, int);
//called when a regular file is encountered
reportfcntype m_report_regular_file;
//called when stat fails
reportfcntype m_report_failed_on_stat;
//called when a directory is encountered
reportfcntype m_report_directory;
//called when a symbolic link is found (file or directory)
reportfcntype m_report_symlink;
//a function that does nothing
static int _do_nothing_(const std::string& , const std::string &, int) {return 0;};
//a function that is called from walk when a non-directory is encountered
//for instance,if walk("/path/to/a/file.ext") is called instead of
//walk("/path/to/a/")
int handlepossiblefile(const std::string &possiblefile,int recursionlevel);
public:
//find all files on a specific place
int walk(const std::string &dir,const int recursionlevel=0);
//to set the report functions
void setreportfcn_regular_file(reportfcntype reportfcn)
{m_report_regular_file=reportfcn;}
void setreportfcn_failed_on_stat(reportfcntype reportfcn)
{m_report_failed_on_stat=reportfcn;}
void setreportfcn_report_directory(reportfcntype reportfcn)
{m_report_directory=reportfcn;}
void setreportfcn_symlink(reportfcntype reportfcn)
{m_report_symlink=reportfcn;}
};
#endif
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