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/*
* --- GSMP-COPYRIGHT-NOTE-BEGIN ---
*
* This copyright note is auto-generated by ./scripts/Create-CopyPatch.
* Please add additional copyright information _after_ the line containing
* the GSMP-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
* the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
*
* GSMP: utility/src/DirIterator.cc
* General Sound Manipulation Program is Copyright (C) 2000 - 2004
* Valentin Ziegler and René Rebe
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2. A copy of the GNU General
* Public License can be found in the file LICENSE.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANT-
* ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* --- GSMP-COPYRIGHT-NOTE-END ---
*/
#include "DirIterator.hh"
#include <sys/types.h>
#include <sys/stat.h>
#include <iostream>
#include <sstream> // for stringstream
int Utility::FindUniqueName (std::string& fname, const std::string& base,
const std::string& ext, int first_tried_index)
{
std::stringstream t_fname;
int t_index = first_tried_index;
bool t_found = false;
while (!t_found)
{
t_fname.str ("");
t_fname << base << t_index << ext;
std::cout << "testing: (statting): " << t_fname.str () << std::endl;
struct stat t_stat;
if (stat (t_fname.str().c_str (), &t_stat) < 0)
t_found = true;
else
++ t_index;
}
fname = t_fname.str ();
return t_index;
}
// ---
Utility::DirList::Iterator::Iterator ()
{
m_open = false;
m_end = false;
m_dirlist = 0;
m_internal_dir_entry = 0;
}
Utility::DirList::Iterator::Iterator (DirList* i_dirlist)
{
m_open = false;
m_end = false;
m_dirlist = i_dirlist;
m_entry_name = "";
}
Utility::DirList::Iterator::Iterator (const Iterator& i_other)
{
m_open = false;
operator=(i_other);
}
Utility::DirList::Iterator::~Iterator ()
{
if (m_open)
Close ();
}
const Utility::FileType Utility::DirList::Iterator::Type ()
{
if (!m_open)
Open();
FileType type;
// use d_type _if_ usable ...
if (m_internal_dir_entry && m_internal_dir_entry->d_type)
type = DTTOIF(m_internal_dir_entry->d_type);
else {
m_file.SetFile (m_dirlist->m_dirname + '/' + m_entry_name);
type = m_file.Type();
}
return type;
}
void Utility::DirList::Iterator::Open ()
{
if (m_open) {
std::cout << " already open" << std::endl;
return;
}
// special case: we have a dirname but are not yet open (e.g.
// after a operator= and so want to search to the correct entry
std::string t_entry_name = m_entry_name;
m_internal_dir = opendir (m_dirlist->m_dirname.c_str () );
if (m_internal_dir == 0) {
m_end = true;
}
else {
m_open = true;
m_end = false;
Next ();
// special case (also see above) we want to search an entry
if (t_entry_name != "") {
while (m_entry_name != t_entry_name && !m_end)
Next ();
}
}
}
void Utility::DirList::Iterator::Close ()
{
if (!m_open || !m_internal_dir)
return;
closedir (m_internal_dir);
m_open = false;
m_internal_dir = 0;
}
// ---
Utility::DirList::DirList (const std::string& i_dirname)
{
m_dirname = i_dirname;
}
Utility::DirList::~DirList ()
{
}
const Utility::DirList::Iterator Utility::DirList::Begin ()
{
// create a virgin Iterator
Iterator it (this);
it.Open();
return it;
}
const Utility::DirList::Iterator Utility::DirList::End ()
{
// create an Iterator with end flag set
Iterator it (this);
it.m_end = true;
it.m_entry_name = "";
return it;
}
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