Added vfs_path_t structure

Signed-off-by: Slava Zanko <slavazanko@gmail.com>

lib/vfs/Makefile.am

@@ -3,11 +3,13 @@ noinst_LTLIBRARIES = libmcvfs.la
 AM_CFLAGS = $(GLIB_CFLAGS) -I$(top_srcdir)
 
 libmcvfs_la_SOURCES = \
+	direntry.c		\
+	gc.c gc.h		\
 	interface.c interface.h \
+	path.c path.h		\
 	vfs.c vfs.h		\
-	direntry.c xdirentry.h	\
 	utilvfs.c utilvfs.h	\
-	gc.c gc.h
+	xdirentry.h
 
 if ENABLE_VFS_NET
 libmcvfs_la_SOURCES += netutil.c netutil.h

lib/vfs/path.c

@@ -0,0 +1,148 @@
+/* Virtual File System path handlers
+   Copyright (C) 2011 Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2011
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The Midnight Commander 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+ */
+
+/**
+ * \file
+ * \brief Source: Virtual File System: path handlers
+ * \author Slava Zanko
+ * \date 2011
+ */
+
+
+#include <config.h>
+
+#include "lib/global.h"
+
+#include "path.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+vfs_path_to_str (const vfs_path_t * path)
+{
+    size_t element_index;
+    GString *buffer;
+
+    if (path == NULL)
+        return NULL;
+
+    buffer = g_string_new ("");
+
+    for (element_index = 0; element_index < vfs_path_length (path); element_index++)
+    {
+        vfs_path_element_t *element = vfs_path_get_by_index (path, element_index);
+        g_string_append (buffer, element->path);
+    }
+    return g_string_free(buffer, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+vfs_path_t *
+vfs_path_from_str (const char * path_str)
+{
+    vfs_path_t *path;
+    vfs_path_element_t *element;
+
+    if (path_str == NULL)
+        return NULL;
+
+    path = vfs_path_new();
+
+    element = g_new0(vfs_path_element_t,1);
+    element->path = g_strdup(path_str); // FIXME!!!
+
+    g_ptr_array_add(path->path,element);
+
+    return path;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+vfs_path_t *
+vfs_path_new(void)
+{
+    vfs_path_t *path;
+    path = g_new0(vfs_path_t,1);
+    path->path = g_ptr_array_new ();
+    return path;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+size_t
+vfs_path_length (const vfs_path_t *path)
+{
+    return path->path->len;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+vfs_path_element_t *
+vfs_path_get_by_index (const vfs_path_t *path, size_t element_index)
+{
+    return g_ptr_array_index(path->path, element_index);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_path_element_free(vfs_path_element_t *element)
+{
+    if (element == NULL)
+        return;
+
+    g_free(element->path);
+    g_free(element->encoding);
+    g_free(element);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_path_free (vfs_path_t * path)
+{
+    if (path == NULL)
+        return;
+
+    g_ptr_array_foreach (path->path, (GFunc) vfs_path_element_free, NULL);
+    g_ptr_array_free (path->path, TRUE);
+    g_free(path->unparsed);
+    g_free(path);
+}
+
+/* --------------------------------------------------------------------------------------------- */

lib/vfs/path.h

@@ -0,0 +1,45 @@
+#ifndef MC__VFS_PATH_H
+#define MC__VFS_PATH_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+//typedef GPtrArray vfs_path_t;
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+struct vfs_class;
+
+typedef struct {
+    GPtrArray *path;
+    char *unparsed;
+} vfs_path_t;
+
+typedef struct {
+    char *path;
+    struct vfs_class *class;
+    char *encoding;
+#ifdef ENABLE_VFS_NET
+    vfs_url_t *url;
+#endif                          /* ENABLE_VFS_NET */
+} vfs_path_element_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+vfs_path_t *vfs_path_new(void);
+void vfs_path_free (vfs_path_t * path);
+size_t vfs_path_length (const vfs_path_t *path);
+
+char *vfs_path_to_str (const vfs_path_t * path);
+vfs_path_t * vfs_path_from_str (const char * path_str);
+
+vfs_path_element_t *vfs_path_get_by_index (const vfs_path_t *path, size_t element_index);
+void vfs_path_element_free(vfs_path_element_t *element);
+
+
+/*** inline functions ****************************************************************************/
+
+#endif