1 files changed, 169 insertions, 0 deletions
diff --git a/libdocument/ev-file-helpers.c b/libdocument/ev-file-helpers.c
new file mode 100644
index 0000000..b6a50b6
--- /dev/null
+++ b/libdocument/ev-file-helpers.c
@@ -0,0 +1,169 @@
+/*
+ *  Copyright (C) 2002 Jorn Baayen
+ *
+ *  This program 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, or (at your option)
+ *  any later version.
+ *
+ *  This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *  $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <glib.h>
+#include <glib/gstdio.h>
+#include <errno.h>
+#include <libgnomevfs/gnome-vfs-uri.h>
+#include <libgnomevfs/gnome-vfs-utils.h>
+#include <libgnomevfs/gnome-vfs-ops.h>
+#include <libgnomevfs/gnome-vfs-xfer.h>
+
+#include "ev-file-helpers.h"
+
+static gchar *dot_dir = NULL;
+static gchar *tmp_dir = NULL;
+static gint   count = 0;
+
+static gboolean
+ensure_dir_exists (const char *dir)
+{
+	if (g_file_test (dir, G_FILE_TEST_IS_DIR))
+		return TRUE;
+	
+	if (g_mkdir (dir, 488) == 0)
+		return TRUE;
+
+	if (errno == EEXIST)
+		return g_file_test (dir, G_FILE_TEST_IS_DIR);
+	
+	g_warning ("Failed to create directory %s: %s", dir, strerror (errno));
+	return FALSE;
+}
+
+const gchar *
+ev_dot_dir (void)
+{
+	if (dot_dir == NULL) {
+		gboolean exists;
+
+		dot_dir = g_build_filename (gnome_user_dir_get (),
+					    "evince",
+					    NULL);
+
+		exists = ensure_dir_exists (dot_dir);
+		if (!exists)
+			exit (1);
+	}
+
+	return dot_dir;
+}
+
+const gchar *
+ev_tmp_dir (void)
+{
+	if (tmp_dir == NULL) {
+		gboolean exists;
+		gchar   *dirname;
+
+		dirname = g_strdup_printf ("evince-%u", getpid ());
+		tmp_dir = g_build_filename (g_get_tmp_dir (),
+					    dirname,
+					    NULL);
+		g_free (dirname);
+
+		exists = ensure_dir_exists (tmp_dir);
+		g_assert (exists);
+	}
+
+	return tmp_dir;
+}
+
+void
+ev_file_helpers_init (void)
+{
+}
+
+void
+ev_file_helpers_shutdown (void)
+{	
+	if (tmp_dir != NULL)	
+		g_rmdir (tmp_dir);
+
+	g_free (tmp_dir);
+	g_free (dot_dir);
+
+	dot_dir = NULL;
+	tmp_dir = NULL;
+}
+
+gchar * 
+ev_tmp_filename (const gchar *prefix)
+{
+	gchar *basename;
+	gchar *filename = NULL;
+
+	do {
+		if (filename != NULL)
+			g_free (filename);
+			
+		basename = g_strdup_printf ("%s-%d",
+					    prefix ? prefix : "document",
+					    count ++);
+		
+		filename = g_build_filename (ev_tmp_dir (),
+					     basename, NULL);
+		
+		g_free (basename);
+	} while (g_file_test (filename, G_FILE_TEST_EXISTS));
+			
+	return filename;
+}
+
+gboolean
+ev_xfer_uri_simple (const char *from,
+		    const char *to,
+		    GError     **error)
+{
+	GnomeVFSResult result;
+	GnomeVFSURI *source_uri;
+	GnomeVFSURI *target_uri;
+	
+	if (!from)
+		return FALSE;
+	
+	source_uri = gnome_vfs_uri_new (from);
+	target_uri = gnome_vfs_uri_new (to);
+
+	result = gnome_vfs_xfer_uri (source_uri, target_uri, 
+				     GNOME_VFS_XFER_DEFAULT | GNOME_VFS_XFER_FOLLOW_LINKS,
+				     GNOME_VFS_XFER_ERROR_MODE_ABORT,
+				     GNOME_VFS_XFER_OVERWRITE_MODE_REPLACE,
+				     NULL,
+				     NULL);
+	gnome_vfs_uri_unref (target_uri);
+	gnome_vfs_uri_unref (source_uri);
+    
+	if (result != GNOME_VFS_OK)
+		g_set_error (error,
+			     G_FILE_ERROR,
+			     G_FILE_ERROR_FAILED,
+			     gnome_vfs_result_to_string (result));
+	return (result == GNOME_VFS_OK);
+
+}