/*
 * Licensed under the GNU Lesser General Public License Version 3
 *
 * 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 3 of the license, or
 * (at your option) any later version.
 *
 * This software 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, see <http://www.gnu.org/licenses/>.
 */

// generated automatically - do not change


module glib.Directory;

private import glib.ErrorG;
private import glib.GException;
private import glib.Str;
private import glib.c.functions;
public  import glib.c.types;


/**
 * An opaque structure representing an opened directory.
 */
public class Directory
{
	/** the main Gtk struct */
	protected GDir* gDir;
	protected bool ownedRef;

	/** Get the main Gtk struct */
	public GDir* getDirectoryStruct(bool transferOwnership = false)
	{
		if (transferOwnership)
			ownedRef = false;
		return gDir;
	}

	/** the main Gtk struct as a void* */
	protected void* getStruct()
	{
		return cast(void*)gDir;
	}

	/**
	 * Sets our main struct and passes it to the parent class.
	 */
	public this (GDir* gDir, bool ownedRef = false)
	{
		this.gDir = gDir;
		this.ownedRef = ownedRef;
	}


	/**
	 * Closes the directory and deallocates all related resources.
	 */
	public void close()
	{
		g_dir_close(gDir);
	}

	/**
	 * Retrieves the name of another entry in the directory, or %NULL.
	 * The order of entries returned from this function is not defined,
	 * and may vary by file system or other operating-system dependent
	 * factors.
	 *
	 * %NULL may also be returned in case of errors. On Unix, you can
	 * check `errno` to find out if %NULL was returned because of an error.
	 *
	 * On Unix, the '.' and '..' entries are omitted, and the returned
	 * name is in the on-disk encoding.
	 *
	 * On Windows, as is true of all GLib functions which operate on
	 * filenames, the returned name is in UTF-8.
	 *
	 * Returns: The entry's name or %NULL if there are no
	 *     more entries. The return value is owned by GLib and
	 *     must not be modified or freed.
	 */
	public string readName()
	{
		return Str.toString(g_dir_read_name(gDir));
	}

	/**
	 * Resets the given directory. The next call to g_dir_read_name()
	 * will return the first entry again.
	 */
	public void rewind()
	{
		g_dir_rewind(gDir);
	}

	/**
	 * Creates a subdirectory in the preferred directory for temporary
	 * files (as returned by g_get_tmp_dir()).
	 *
	 * @tmpl should be a string in the GLib file name encoding containing
	 * a sequence of six 'X' characters, as the parameter to g_mkstemp().
	 * However, unlike these functions, the template should only be a
	 * basename, no directory components are allowed. If template is
	 * %NULL, a default template is used.
	 *
	 * Note that in contrast to g_mkdtemp() (and mkdtemp()) @tmpl is not
	 * modified, and might thus be a read-only literal string.
	 *
	 * Params:
	 *     tmpl = Template for directory name,
	 *         as in g_mkdtemp(), basename only, or %NULL for a default template
	 *
	 * Returns: The actual name used. This string
	 *     should be freed with g_free() when not needed any longer and is
	 *     is in the GLib file name encoding. In case of errors, %NULL is
	 *     returned and @error will be set.
	 *
	 * Since: 2.30
	 *
	 * Throws: GException on failure.
	 */
	public static string makeTmp(string tmpl)
	{
		GError* err = null;

		auto retStr = g_dir_make_tmp(Str.toStringz(tmpl), &err);

		if (err !is null)
		{
			throw new GException( new ErrorG(err) );
		}

		scope(exit) Str.freeString(retStr);
		return Str.toString(retStr);
	}

	/**
	 * Opens a directory for reading. The names of the files in the
	 * directory can then be retrieved using g_dir_read_name().  Note
	 * that the ordering is not defined.
	 *
	 * Params:
	 *     path = the path to the directory you are interested in. On Unix
	 *         in the on-disk encoding. On Windows in UTF-8
	 *     flags = Currently must be set to 0. Reserved for future use.
	 *
	 * Returns: a newly allocated #GDir on success, %NULL on failure.
	 *     If non-%NULL, you must free the result with g_dir_close()
	 *     when you are finished with it.
	 *
	 * Throws: GException on failure.
	 */
	public static Directory open(string path, uint flags)
	{
		GError* err = null;

		auto p = g_dir_open(Str.toStringz(path), flags, &err);

		if (err !is null)
		{
			throw new GException( new ErrorG(err) );
		}

		if(p is null)
		{
			return null;
		}

		return new Directory(cast(GDir*) p);
	}
}