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/*
filesystem/filesystem.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include <stdlib.h>
#include <list>
#ifdef _WIN32
#include <windows.h>
#include <shlobj.h>
#endif
#include "filesystem/filesystem.h"
#include "filesystem/diskfile.h"
#include "filesystem/file.h"
#include "sys/sys.h"
namespace filesystem
{
SearchPath filesystem_searchpath;
std::string filesystem_basename;
std::string filesystem_modname;
std::string filesystem_homedir;
std::string filesystem_writedir;
std::string filesystem_datadir;
std::string const & writedir()
{
return filesystem_writedir;
}
std::string const & homedir()
{
return filesystem_homedir;
}
SearchPath & searchpath()
{
return filesystem_searchpath;
}
void init(std::string const & basename, std::string const & modname)
{
con_print << "^BInitializing filesystem..." << std::endl;
// clear everything
filesystem_searchpath.clear();
filesystem_basename.assign(basename);
if (!filesystem_basename.size())
filesystem_basename.assign("base");
filesystem_modname.assign(modname);
#ifndef _WIN32
// UNIX home directory is $HOME/.osirion
filesystem_homedir.assign(getenv("HOME"));
filesystem_homedir.append("/.osirion");
// create homedir if necessary
if (!sys::isdirectory(filesystem_homedir))
sys::mkdir(filesystem_homedir);
filesystem_homedir += '/';
#else
// windows home directory is My Documents\My Games\Osirion
char mydocuments[512];
memset(mydocuments, 0, sizeof(mydocuments));
SHGetFolderPath(NULL, CSIDL_PERSONAL, NULL, 0, mydocuments);
filesystem_homedir.assign(mydocuments);
if (filesystem_homedir.size()) {
filesystem_homedir.append("\\My Games");
if (!sys::isdirectory(filesystem_homedir))
sys::mkdir(filesystem_homedir);
filesystem_homedir.append("\\Osirion");
if (!sys::isdirectory(filesystem_homedir))
sys::mkdir(filesystem_homedir);
filesystem_homedir.append("\\");
} else {
con_warn << "using fallback home directory" << std::endl;
filesystem_homedir.assign("home");
if (!sys::isdirectory(filesystem_homedir))
sys::mkdir(filesystem_homedir);
filesystem_homedir += '/';
}
#endif
std::string current_datadir("data/");
std::string package_datadir(PACKAGE_DATADIR);
std::string dir;
// set writedir depending on modname and add home paths to the searchpath
filesystem_writedir.assign(filesystem_homedir);
if (filesystem_modname.size()) {
// append modname to writedir
filesystem_writedir.append(filesystem_modname);
} else {
// append basename to writedir
filesystem_writedir.append(filesystem_basename);
}
// create writedir if necessary
if (!sys::isdirectory(filesystem_writedir))
sys::mkdir(filesystem_writedir);
filesystem_writedir += '/';
// modname search path
if (filesystem_modname.size()) {
// HOME/modname
dir.assign(filesystem_homedir + filesystem_modname);
if (sys::isdirectory(dir)) {
dir += '/';
filesystem_searchpath.push_back(dir);
}
// CURRENT/data/modname
dir.assign(current_datadir + filesystem_modname);
if (sys::isdirectory(dir)) {
dir += '/';
filesystem_searchpath.push_back(dir);
}
// PACKAGE_DATADIR/modname
std::string dir(package_datadir + '/' + filesystem_modname);
if (sys::isdirectory(dir)) {
dir += '/';
filesystem_searchpath.push_back(dir);
}
}
// basename search path
// HOME/basename
dir.assign(filesystem_homedir + filesystem_basename);
if (sys::isdirectory(dir)) {
dir += '/';
filesystem_searchpath.push_back(dir);
}
// PACKAGE_DATADIR/basename
dir.assign(package_datadir + '/' + filesystem_basename);
if (sys::isdirectory(dir)) {
dir += '/';
filesystem_searchpath.push_back(dir);
filesystem_datadir.assign(dir);
} else {
// CURRENT/data/basename
dir.assign(current_datadir + filesystem_basename);
if (sys::isdirectory(dir)) {
dir += '/';
filesystem_searchpath.push_back(dir);
filesystem_datadir.assign(dir);
} else {
con_warn << "data/" << basename << " not found!" << std::endl;
}
}
// print search path
for (SearchPath::iterator path = filesystem_searchpath.begin(); path != filesystem_searchpath.end(); ++path) {
#ifdef _WIN32
for (size_t i = 0; i < (*path).size(); i++)
if ((*path)[i] == '/') (*path)[i] = '\\';
#endif
con_print << " directory " << (*path) << std::endl;
}
// create writedir
con_print << " home " << filesystem_writedir << std::endl;
}
void shutdown()
{
con_print << "^BShutting down filesystem..." << std::endl;
filesystem_searchpath.clear();
filesystem_basename.clear();
filesystem_modname.clear();
filesystem_homedir.clear();
filesystem_writedir.clear();
}
File *open(const char *filename)
{
// for now, File is always a DiskFile
DiskFile *f = new DiskFile();
if (!f->open(filename)) {
delete f;
f = 0;
return 0;
}
return f;
}
void close(File *file)
{
if (!file)
return;
file->close();
delete file;
}
}
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