//
// $Id$
-#ifdef HAVE_CONFIG_H
-# include <simgear_config.h>
-#endif
+#include <simgear_config.h>
+#include <simgear/compiler.h>
#include <simgear/misc/sg_dir.hxx>
+#include <simgear/structure/exception.hxx>
+#include <math.h>
+#include <stdlib.h>
+#include <cstdio>
#ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# include <direct.h>
+# include <Shlwapi.h>
#else
# include <sys/types.h>
# include <dirent.h>
# include <errno.h>
#endif
+#include <simgear/misc/strutils.hxx>
#include <simgear/debug/logstream.hxx>
#include <boost/foreach.hpp>
#include <cstring>
+#include <cstdlib>
#include <iostream>
+#include <algorithm> // for std::sort
using std::string;
}
Dir::Dir(const Dir& rel, const SGPath& relPath) :
- _path(rel.file(relPath.str())),
+ _path(rel.file(relPath.utf8Str())),
_removeOnDestroy(false)
{
_path.set_cached(false); // disable caching, so create/remove work
Dir Dir::current()
{
-#ifdef _WIN32
- char* buf = _getcwd(NULL, 0);
+#if defined(SG_WINDOWS)
+ wchar_t* buf = _wgetcwd(NULL, 0);
#else
- char* buf = ::getcwd(NULL, 0);
+ char *buf = ::getcwd(NULL, 0);
#endif
+ if (!buf) {
+ if (errno == 2) throw sg_exception("The current directory is invalid");
+ else throw sg_exception(strerror(errno));
+ }
+
SGPath p(buf);
free(buf);
return Dir(p);
// Mac OS-X / BSD manual says any number of 'X's, but GLibc manual
// says exactly six, so that's what I'm going with
p.concat("-XXXXXX");
- ::snprintf(buf, 1024, "%s", p.c_str());
+ std::string s = p.local8BitStr();
+ ::snprintf(buf, 1024, "%s", s.c_str());
if (!mkdtemp(buf)) {
SG_LOG(SG_IO, SG_WARN, "mkdtemp failed:" << strerror(errno));
return Dir();
}
return Dir(SGPath(buf));
+#else
+#if defined(SG_WINDOWS)
+ std::wstring wideTemplate = simgear::strutils::convertUtf8ToWString(templ);
+ wchar_t* buf = _wtempnam(0, wideTemplate.c_str());
+ SGPath p(buf);
+ free(buf); // unlike tempnam(), _wtempnam mallocs its result buffer
#else
SGPath p(tempnam(0, templ.c_str()));
+#endif
Dir t(p);
if (!t.create(0700)) {
- SG_LOG(SG_IO, SG_WARN, "failed to create temporary directory at " << p.str());
+ SG_LOG(SG_IO, SG_WARN, "failed to create temporary directory at " << p);
}
return t;
#endif
}
+static bool pathSortPredicate(const SGPath& p1, const SGPath& p2)
+{
+ return p1.file() < p2.file();
+}
+
PathList Dir::children(int types, const std::string& nameFilter) const
{
PathList result;
types = TYPE_FILE | TYPE_DIR | NO_DOT_OR_DOTDOT;
}
-#ifdef _WIN32
- std::string search(_path.str());
+#if defined(SG_WINDOWS)
+ std::wstring search(_path.wstr());
if (nameFilter.empty()) {
- search += "\\*"; // everything
+ search += simgear::strutils::convertUtf8ToWString("\\*"); // everything
} else {
- search += "\\*" + nameFilter;
+ search += simgear::strutils::convertUtf8ToWString("\\*" + nameFilter);
}
- WIN32_FIND_DATA fData;
- HANDLE find = FindFirstFile(search.c_str(), &fData);
+ WIN32_FIND_DATAW fData;
+ HANDLE find = FindFirstFileW(search.c_str(), &fData);
if (find == INVALID_HANDLE_VALUE) {
- SG_LOG(SG_GENERAL, SG_WARN, "Dir::children: FindFirstFile failed:" << _path.str());
+ int err = GetLastError();
+ if (err != ERROR_FILE_NOT_FOUND) {
+ SG_LOG(SG_GENERAL, SG_WARN, "Dir::children: FindFirstFile failed:" <<
+ _path << " with error:" << err);
+ }
return result;
}
bool done = false;
- for (bool done = false; !done; done = (FindNextFile(find, &fData) == 0)) {
+ for (bool done = false; !done; done = (FindNextFileW(find, &fData) == 0)) {
if (fData.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {
if (!(types & INCLUDE_HIDDEN)) {
continue;
}
}
+ std::string utf8File = simgear::strutils::convertWStringToUtf8(fData.cFileName);
if (fData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
if (types & NO_DOT_OR_DOTDOT) {
- if (!strcmp(fData.cFileName,".") || !strcmp(fData.cFileName,"..")) {
+ if ((utf8File == ".") || (utf8File == "..")) {
continue;
}
}
continue;
}
- result.push_back(file(fData.cFileName));
+ result.push_back(file(utf8File));
}
FindClose(find);
#else
- DIR* dp = opendir(_path.c_str());
+ std::string ps = _path.local8BitStr();
+ DIR* dp = opendir(ps.c_str());
if (!dp) {
- SG_LOG(SG_GENERAL, SG_WARN, "Dir::children: opendir failed:" << _path.str());
+ SG_LOG(SG_GENERAL, SG_WARN, "Dir::children: opendir failed:" << _path);
return result;
}
closedir(dp);
#endif
+
+ // File system order is random. Make things deterministic,
+ // so it's the same for every user.
+ std::sort(result.begin(), result.end(), pathSortPredicate);
+
return result;
}
+bool Dir::isEmpty() const
+{
+#if defined(SG_WINDOWS)
+ std::wstring ps = _path.wstr();
+ return PathIsDirectoryEmptyW( ps.c_str() );
+#else
+ std::string ps = _path.local8BitStr();
+ DIR* dp = opendir( ps.c_str() );
+ if (!dp) return true;
+
+ int n = 0;
+ dirent* d;
+ while( (d = readdir(dp)) !=NULL && (n < 4) ) n++;
+ closedir(dp);
+
+ return (n == 2); // '.' and '..' always exist
+#endif
+}
+
bool Dir::exists() const
{
return _path.isDir();
return childPath;
}
-#ifdef _WIN32
-# define sgMkDir(d,m) _mkdir(d)
-#else
-# define sgMkDir(d,m) mkdir(d,m)
-#endif
-
bool Dir::create(mode_t mode)
{
if (exists()) {
}
// finally, create ourselves
- int err = sgMkDir(_path.c_str(), mode);
+#if defined(SG_WINDOWS)
+ std::wstring ps = _path.wstr();
+ int err = _wmkdir(ps.c_str());
+#else
+ std::string ps = _path.local8BitStr();
+ int err = mkdir(ps.c_str(), mode);
+#endif
if (err) {
- SG_LOG(SG_IO, SG_WARN, "directory creation failed: (" << _path.str() << ") " << strerror(errno) );
+ SG_LOG(SG_IO, SG_WARN, "directory creation failed: (" << _path << ") " << strerror(errno) );
}
return (err == 0);
}
+bool Dir::removeChildren() const
+{
+ bool ok;
+ PathList cs = children(NO_DOT_OR_DOTDOT | INCLUDE_HIDDEN | TYPE_FILE | TYPE_DIR);
+ BOOST_FOREACH(SGPath path, cs) {
+ if (path.isDir()) {
+ Dir childDir(path);
+ ok = childDir.remove(true);
+ } else {
+ ok = path.remove();
+ }
+
+ if (!ok) {
+ SG_LOG(SG_IO, SG_WARN, "failed to remove:" << path);
+ return false;
+ }
+ } // of child iteration
+
+ return true;
+}
+
bool Dir::remove(bool recursive)
{
if (!exists()) {
- SG_LOG(SG_IO, SG_WARN, "attempt to remove non-existant dir:" << _path.str());
+ SG_LOG(SG_IO, SG_WARN, "attempt to remove non-existant dir:" << _path);
return false;
}
if (recursive) {
- bool ok;
- PathList cs = children(NO_DOT_OR_DOTDOT | INCLUDE_HIDDEN | TYPE_FILE | TYPE_DIR);
- BOOST_FOREACH(SGPath path, cs) {
- if (path.isDir()) {
- Dir childDir(path);
- ok = childDir.remove(true);
- } else {
- ok = path.remove();
- }
-
- if (!ok) {
- return false;
- }
- } // of child iteration
+ if (!removeChildren()) {
+ SG_LOG(SG_IO, SG_WARN, "Dir at:" << _path << " failed to remove children");
+ return false;
+ }
} // of recursive deletion
-
-#ifdef _WIN32
- int err = _rmdir(_path.c_str());
+
+#if defined(SG_WINDOWS)
+ std::wstring ps = _path.wstr();
+ int err = _wrmdir(ps.c_str());
#else
- int err = rmdir(_path.c_str());
+ std::string ps = _path.local8BitStr();
+ int err = rmdir(ps.c_str());
#endif
if (err) {
- SG_LOG(SG_IO, SG_WARN, "rmdir failed:" << _path.str() << ":" << strerror(errno));
+ SG_LOG(SG_IO, SG_WARN, "rmdir failed:" << _path << ":" << strerror(errno));
}
return (err == 0);
}