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/* M-runtime for c++
* Copyright (C) 2005-2008 Vladimir Menshakov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "directory.h"
#include "ioexception.h"
#include <errno.h>
#include <stdlib.h>
using namespace mrt;
Directory::Directory() : _handle(0) {}
Directory::~Directory() {
close();
}
bool Directory::opened() const {
return _handle != 0;
}
#ifndef _WINDOWS
#include <sys/types.h>
#include <sys/stat.h>
void Directory::open(const std::string &path) {
close();
if (path.empty())
throw_ex(("Directory::open called with empty path"));
_handle = opendir(path.c_str());
if (_handle == NULL)
throw_io(("opendir('%s')", path.c_str()));
}
const std::string Directory::read() const {
if (_handle == NULL)
throw_ex(("Directory::read called on uninitialized object"));
struct dirent *dir = readdir(_handle);
if (dir == NULL) {
//if (errno)
// throw_io(("readdir"));
return std::string();
}
return dir->d_name;
}
void Directory::close() {
if (_handle != NULL) {
closedir(_handle);
_handle = NULL;
}
}
void Directory::create(const std::string &path, const bool recurse) {
if (!recurse) {
if (mkdir(path.c_str(), S_IRUSR | S_IWUSR | S_IXUSR) == -1)
throw_io(("mkdir"));
} else {
//LOG_DEBUG(("create(%s, true)", path.c_str()));
std::string p = normalize(path);
//LOG_DEBUG(("normalized path: %s", p.c_str()));
if (p.empty())
return;
std::vector<std::string> res;
mrt::split(res, p, "/");
if (res.empty())
return;
p = res[0];
//LOG_DEBUG(("creating directory: %s", p.c_str()));
mkdir(p.c_str(), S_IRUSR | S_IWUSR | S_IXUSR);
for(size_t i = 1; i < res.size(); ++i) {
p += "/";
p += res[i];
//LOG_DEBUG(("creating directory: %s", p.c_str()));
mkdir(p.c_str(), S_IRUSR | S_IWUSR | S_IXUSR);
}
}
}
#else
#include <windows.h>
#include <io.h>
void Directory::open(const std::string &path) {
struct _finddata_t filedata;
if ((_handle = _findfirst((path + "/*").c_str(), &filedata)) == -1) {
_handle = 0;
throw_io(("findfirst('%s')", path.c_str()));
}
_first_value = filedata.name;
}
const std::string Directory::read() const {
if (!_first_value.empty()) {
std::string r = _first_value;
_first_value.clear();
return r;
}
struct _finddata_t filedata;
if (_findnext(_handle, &filedata) == 0) {
return filedata.name;
}
return std::string();
}
void Directory::close() {
if (_handle == 0)
return;
_findclose(_handle);
_handle = 0;
}
void Directory::create(const std::string &path, const bool recurse) {
if (!recurse) {
::CreateDirectory(path.c_str(), NULL);
} else {
//LOG_DEBUG(("create(%s, true)", path.c_str()));
std::string p = normalize(path);
//LOG_DEBUG(("normalized path: %s", p.c_str()));
if (p.empty())
return;
std::vector<std::string> res;
mrt::split(res, p, "/");
if (res.empty())
return;
p = res[0];
//LOG_DEBUG(("creating directory: %s", p.c_str()));
::CreateDirectory(p.c_str(), NULL);
for(size_t i = 1; i < res.size(); ++i) {
p += "/";
p += res[i];
//LOG_DEBUG(("creating directory: %s", p.c_str()));
::CreateDirectory(p.c_str(), NULL);
}
}
}
#endif
#ifdef _WINDOWS
#include <shlobj.h>
const std::string Directory::get_app_dir(const std::string &name, const std::string &shortname) {
std::string path = get_home() + "\\" + name;
mrt::Directory dir;
try {
dir.create(path);
} catch(...) {}
return path;
}
const std::string Directory::get_home() {
HWND hwnd = NULL;
/*
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if (SDL_GetWMInfo(&info) != -1)
hwnd = info.window;
*/
TCHAR path[MAX_PATH];
if (FAILED(::SHGetFolderPath(hwnd, CSIDL_APPDATA | CSIDL_FLAG_CREATE, NULL, SHGFP_TYPE_CURRENT, path)))
throw_ex(("GetFolderPath(CSIDL_APPDATA|CSIDL_FLAG_CREATE) failed"));
return path;
}
#else
const std::string Directory::get_home() {
const char *home_env = getenv("HOME");
if (home_env == NULL)
throw_ex(("getting home directory now is possible only via HOME variable. fix it if you want."));
return home_env;
}
const std::string Directory::get_app_dir(const std::string &name, const std::string &shortname) {
std::string path = get_home() + "/." + shortname;
mrt::Directory dir;
try {
dir.create(path);
} catch(...) {}
return path;
}
#endif
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