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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#include "Core/precomp.h"
#include "API/Core/IOData/directory.h"
#include "API/Core/IOData/directory_scanner.h"
#ifndef WIN32
#include <unistd.h>
#include <stdio.h>
#include <limits.h>
#ifndef MAX_PATH
#define MAX_PATH PATH_MAX
#endif
#else
#include <direct.h>
#ifndef chdir
#define _chdir chdir
#endif
#ifndef MAX_PATH
#define _MAX_PATH MAX_PATH
#endif
#endif
#ifdef __BORLANDC__
#include <dir.h>
#endif
#include <sys/stat.h>
#include <sys/types.h>
/////////////////////////////////////////////////////////////////////////////
// Operations
bool CL_Directory::create(const std::string &dir_name)
{
if (dir_name.empty())
return false;
// this will be a full path
std::string full_path; // calculate the full path
#ifdef WIN32
DWORD buff_len = ::GetFullPathName(dir_name.c_str(), 0, 0, 0);
if (buff_len == 0)
// can't calculate, return bad status
return false;
else
{
char * buffer = new char[buff_len + 1];
char * buffer_ptr_to_filename = 0;
// Obtaining full path
buff_len = ::GetFullPathName(dir_name.c_str(), buff_len, buffer, &buffer_ptr_to_filename);
if (buff_len == 0)
{
delete[] buffer;
// can't obtain full path, return bad status
return false;
}
// ok, save it
full_path = buffer;
delete[] buffer;
}
#else
// TODO: add here Linux version of GetFullPathName
full_path = dir_name;
#endif
#ifdef WIN32
return ::CreateDirectory(full_path.c_str(), NULL) != 0;
#else
return ::mkdir(full_path.c_str(), 0755) == 0;
#endif
}
bool CL_Directory::remove(const std::string &dir_name, bool delete_files, bool delete_sub_directories)
{
if (dir_name.empty())
return false;
// this will be a full path
std::string full_path;
// calculate the full path
#ifdef WIN32
DWORD buff_len = ::GetFullPathName(dir_name.c_str(), 0, 0, 0);
if (buff_len == 0)
// can't calculate, return bad status
return false;
else
{
char * buffer = new char[buff_len + 1];
char * buffer_ptr_to_filename = 0;
// Obtaining full path
buff_len = ::GetFullPathName(dir_name.c_str(), buff_len, buffer, &buffer_ptr_to_filename);
if (buff_len == 0)
{
// can't obtaing full path, return bad status
delete[] buffer;
return false;
}
// ok, save it
full_path = buffer;
delete[] buffer;
}
#else
// TODO: add here Linux version of GetFullPathName
full_path = dir_name;
#endif
// This scope needed for deleting directiory at end of function,
// because scanner lock current dir :(
{
CL_DirectoryScanner scanner;
if (!scanner.scan(full_path))
// can't even start scaning
return false;
// FIXME: probably bug in directory_scanner, it return ""
// for first file :(
if (scanner.next())
while(1)
{
// If found sub_directory, try remove it,
// also checking for "." and "..", because they are unremovable
if (scanner.is_directory() && delete_sub_directories &&
scanner.get_name() != "." && scanner.get_name() != "..")
{
// FIXME: directory_scanner lock directory, so it can't be
// removed, this is workaround
std::string sub_dir_path = scanner.get_pathname();
bool scann_successfull = scanner.next();
// delete files in sub_directory
if (!CL_Directory::remove(sub_dir_path.c_str(),
delete_files,
delete_sub_directories))
return false;
if (!scann_successfull)
break;
else
continue;
}
else
{
// Check for deleting file (or whatever is not directory),
// if this is allowed
if (delete_files && !scanner.is_directory())
{
// delete a file
#ifdef WIN32
if (::DeleteFile(scanner.get_pathname().c_str()) == 0)
return false;
#else
if (::remove(scanner.get_pathname().c_str()) != 0)
return false;
#endif
if (!scanner.next())
break;
}
// This is for "." and ".."
else
{
if (!scanner.next())
break;
}
}
}
}
// Finaly remove the directory (or sub_directory if in recursion)
#ifdef WIN32
return ::RemoveDirectory(full_path.c_str()) != 0;
#else
return ::rmdir(full_path.c_str()) == 0;
#endif
}
bool CL_Directory::change_to(const std::string &dir_name)
{
return chdir(dir_name.c_str()) == 0;
}
std::string CL_Directory::get_current()
{
char cwd_buffer[MAX_PATH];
if (getcwd(cwd_buffer, MAX_PATH) == NULL)
throw CL_Error("Working dir is more than legal length !");
return cwd_buffer;
}
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