diff C++/Directory.cpp @ 198:01294ed877f6

Directory: support of Windows complete
author David Demelier <markand@malikania.fr>
date Sat, 30 Nov 2013 09:41:21 +0100
parents
children 08eb7b00b950
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/C++/Directory.cpp	Sat Nov 30 09:41:21 2013 +0100
@@ -0,0 +1,132 @@
+/*
+ * Directory.cpp -- open and read directories
+ *
+ * Copyright (c) 2013 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sstream>
+
+#include "Directory.h"
+
+#if defined(_MSC_VER)
+#  include <Windows.h>
+#endif
+
+#if defined(_MSC_VER)
+
+namespace {
+
+std::string systemError()
+{
+	LPSTR error = nullptr;
+	std::string errmsg = "Unknown error";
+
+	FormatMessageA(
+		FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+		NULL,
+		GetLastError(),
+		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+		(LPSTR)&error, 0, NULL);
+
+	if (error) {
+		errmsg = std::string(error);
+		LocalFree(error);
+	}
+
+	return errmsg;
+}
+
+}
+
+void Directory::systemLoad(const std::string &path, int flags)
+{
+	std::ostringstream oss;
+	HANDLE handle;
+	WIN32_FIND_DATA fdata;
+
+	oss << path << "\\*";
+	handle = FindFirstFile(oss.str().c_str(), &fdata);
+
+	if (handle == nullptr)
+		throw std::runtime_error(systemError());
+
+	do {
+		Entry entry;
+
+		entry.name = fdata.cFileName;
+		if ((flags & Directory::NotDot) && entry.name == ".")
+			continue;
+		if ((flags & Directory::NotDotDot) && entry.name == "..")
+			continue;
+
+		switch (fdata.dwFileAttributes) {
+		case FILE_ATTRIBUTE_DIRECTORY:
+			entry.type = Dir;
+			break;
+		case FILE_ATTRIBUTE_NORMAL:
+			entry.type = File;
+			break;
+		case FILE_ATTRIBUTE_REPARSE_POINT:
+			entry.type = Link;
+			break;
+		default:
+			break;
+		}
+
+		m_list.push_back(entry);
+	} while (FindNextFile(handle, &fdata) != 0);
+
+	FindClose(handle);
+}
+
+#else
+
+// UNIX STUFF
+
+#endif
+
+Directory::Entry::Entry()
+	: type(Unknown)
+{
+}
+
+Directory::Directory()
+{
+}
+
+Directory::Directory(const std::string &path, int flags)
+{
+	systemLoad(path, flags);
+}
+
+Directory::List::iterator Directory::begin()
+{
+	return m_list.begin();
+}
+
+Directory::List::const_iterator Directory::cbegin() const
+{
+	return m_list.cbegin();
+}
+
+Directory::List::iterator Directory::end()
+{
+	return m_list.end();
+}
+
+Directory::List::const_iterator Directory::cend() const
+{
+	return m_list.cend();
+}
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