//
// $Id$
+#ifdef HAVE_CONFIG_H
+# include <simgear_config.h>
+#endif
#include <simgear/misc/sg_dir.hxx>
#ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
+# include <direct.h>
#else
# include <sys/types.h>
# include <dirent.h>
+# include <sys/stat.h>
+# include <unistd.h>
+# include <errno.h>
#endif
#include <simgear/debug/logstream.hxx>
+#include <boost/foreach.hpp>
+#include <cstring>
#include <iostream>
+using std::string;
+
namespace simgear
{
+Dir::Dir() :
+ _removeOnDestroy(false)
+{
+}
+
Dir::Dir(const SGPath& path) :
- _path(path)
+ _path(path),
+ _removeOnDestroy(false)
{
+ _path.set_cached(false); // disable caching, so create/remove work
}
Dir::Dir(const Dir& rel, const SGPath& relPath) :
- _path(rel.file(relPath.str()))
+ _path(rel.file(relPath.str())),
+ _removeOnDestroy(false)
+{
+ _path.set_cached(false); // disable caching, so create/remove work
+}
+
+Dir::~Dir()
+{
+ if (_removeOnDestroy) {
+ remove(true);
+ }
+}
+
+void Dir::setRemoveOnDestroy()
+{
+ _removeOnDestroy = true;
+}
+
+Dir Dir::current()
+{
+#ifdef _WIN32
+ char* buf = _getcwd(NULL, 0);
+#else
+ char* buf = ::getcwd(NULL, 0);
+#endif
+ SGPath p(buf);
+ free(buf);
+ return Dir(p);
+}
+
+Dir Dir::tempDir(const std::string& templ)
{
+#ifdef HAVE_MKDTEMP
+ char buf[1024];
+ const char* tempPath = ::getenv("TMPDIR");
+ if (!tempPath) {
+ tempPath = "/tmp/";
+ }
+ // 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
+ ::snprintf(buf, 1024, "%s%s-XXXXXX", tempPath, templ.c_str());
+ if (!mkdtemp(buf)) {
+ SG_LOG(SG_IO, SG_WARN, "mkdtemp failed:" << strerror(errno));
+ return Dir();
+ }
+
+ return Dir(SGPath(buf));
+#else
+ SGPath p(tempnam(0, templ.c_str()));
+ Dir t(p);
+ if (!t.create(0700)) {
+ SG_LOG(SG_IO, SG_WARN, "failed to create temporary directory at " << p.str());
+ }
+
+ return t;
+#endif
}
PathList Dir::children(int types, const std::string& nameFilter) const
}
if (fData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
+ if (types & NO_DOT_OR_DOTDOT) {
+ if (!strcmp(fData.cFileName,".") || !strcmp(fData.cFileName,"..")) {
+ continue;
+ }
+ }
+
if (!(types & TYPE_DIR)) {
continue;
}
return result;
}
+ int filterLen = nameFilter.size();
+
while (true) {
struct dirent* entry = readdir(dp);
if (!entry) {
}
// skip hidden files (names beginning with '.') unless requested
- if (!(types & INCLUDE_HIDDEN) && (entry->d_name[0] == '.')) {
+ if (!(types & INCLUDE_HIDDEN) && (entry->d_name[0] == '.') &&
+ strcmp(entry->d_name, ".") && strcmp(entry->d_name, "..")) {
continue;
}
-
- if (entry->d_type == DT_DIR) {
+
+ SGPath f = file(entry->d_name);
+ if (!f.exists()) {
+ continue; // stat() failed
+ }
+
+ if (f.isDir()) {
+ // directory handling
if (!(types & TYPE_DIR)) {
continue;
}
continue;
}
}
- } else if (entry->d_type == DT_REG) {
+ } else if (f.isFile()) {
+ // regular file handling
if (!(types & TYPE_FILE)) {
continue;
}
} else {
- continue; // ignore char/block devices, fifos, etc
+ // block device /fifo/char file, ignore
+ continue;
}
-
+
if (!nameFilter.empty()) {
- if (strstr(entry->d_name, nameFilter.c_str()) == NULL) {
+ int nameLen = strlen(entry->d_name);
+ if (nameLen < filterLen) {
+ continue; // name is shorter than the filter
+ }
+
+ char* nameSuffix = entry->d_name + (nameLen - filterLen);
+ if (strcmp(nameSuffix, nameFilter.c_str())) {
continue;
}
}
return result;
}
+bool Dir::exists() const
+{
+ return _path.isDir();
+}
+
SGPath Dir::file(const std::string& name) const
{
SGPath childPath = _path;
+ childPath.set_cached(true);
childPath.append(name);
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()) {
+ return false; // already exists
+ }
+
+// recursively create parent directories
+ Dir pr(parent());
+ if (!pr.path().isNull() && !pr.exists()) {
+ bool ok = pr.create(mode);
+ if (!ok) {
+ return false;
+ }
+ }
+
+// finally, create ourselves
+ int err = sgMkDir(_path.c_str(), mode);
+ if (err) {
+ SG_LOG(SG_IO, SG_WARN, "directory creation failed: (" << _path.str() << ") " << strerror(errno) );
+ }
+
+ return (err == 0);
+}
+
+bool Dir::remove(bool recursive)
+{
+ if (!exists()) {
+ SG_LOG(SG_IO, SG_WARN, "attempt to remove non-existant dir:" << _path.str());
+ 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
+ } // of recursive deletion
+
+#ifdef _WIN32
+ int err = _rmdir(_path.c_str());
+#else
+ int err = rmdir(_path.c_str());
+#endif
+ if (err) {
+ SG_LOG(SG_IO, SG_WARN, "rmdir failed:" << _path.str() << ":" << strerror(errno));
+ }
+ return (err == 0);
+}
+
+Dir Dir::parent() const
+{
+ return Dir(_path.dir());
+}
+
} // of namespace simgear
projects / simgear.git / blobdiff