gtkmm-documentation r35 - in trunk: . examples/book/giomm examples/book/giomm/usage

[jjongsma svn gnome org]

Author: jjongsma
Date: Sat Feb 23 05:12:19 2008
New Revision: 35
URL: http://svn.gnome.org/viewvc/gtkmm-documentation?rev=35&view=rev

Log:
	* configure.in:
	* examples/book/giomm/Makefile.am:
	* examples/book/giomm/usage/Makefile.am:
	* examples/book/giomm/usage/usage.cc: add another simple giomm example --
	this one just takes a directory argument on the command line at recursively
	calculates the size of the files in that directory


Added:
   trunk/examples/book/giomm/usage/   (props changed)
   trunk/examples/book/giomm/usage/Makefile.am
   trunk/examples/book/giomm/usage/usage.cc
Modified:
   trunk/ChangeLog
   trunk/configure.in
   trunk/examples/book/giomm/Makefile.am

Modified: trunk/configure.in
==============================================================================
--- trunk/configure.in	(original)
+++ trunk/configure.in	Sat Feb 23 05:12:19 2008
@@ -312,6 +312,7 @@
           examples/book/giomm/volumes/Makefile
           examples/book/giomm/getline/Makefile
           examples/book/giomm/monitor_directory/Makefile
+          examples/book/giomm/usage/Makefile
         examples/book/frame/Makefile
         examples/book/helloworld/Makefile
         examples/book/helloworld2/Makefile

Modified: trunk/examples/book/giomm/Makefile.am
==============================================================================
--- trunk/examples/book/giomm/Makefile.am	(original)
+++ trunk/examples/book/giomm/Makefile.am	Sat Feb 23 05:12:19 2008
@@ -1 +1 @@
-SUBDIRS = directory_list read_file volumes getline monitor_directory
+SUBDIRS = directory_list read_file volumes getline monitor_directory usage

Added: trunk/examples/book/giomm/usage/Makefile.am
==============================================================================
--- (empty file)
+++ trunk/examples/book/giomm/usage/Makefile.am	Sat Feb 23 05:12:19 2008
@@ -0,0 +1,6 @@
+include $(top_srcdir)/examples/Makefile.am_fragment
+
+#Build the executable, but don't install it.
+noinst_PROGRAMS = usage
+usage_SOURCES = usage.cc
+

Added: trunk/examples/book/giomm/usage/usage.cc
==============================================================================
--- (empty file)
+++ trunk/examples/book/giomm/usage/usage.cc	Sat Feb 23 05:12:19 2008
@@ -0,0 +1,67 @@
+/*******************************************************************************
+ *
+ *  Copyright (c) 2008 Jonathon Jongsma
+ *
+ *  This file is part of gtkmm
+ *
+ *  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 of the License, 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, see <http://www.gnu.org/licenses/>
+ *
+ *******************************************************************************/
+#include <giomm.h>
+#include <iostream>
+
+goffset get_size_recursively (const Glib::RefPtr<Gio::File>& file)
+{
+    goffset total = 0;
+    g_return_val_if_fail (file, total);
+    try {
+        Glib::RefPtr<Gio::FileInfo> info = file->query_info ();
+        if (info->get_file_type () == Gio::FILE_TYPE_DIRECTORY)
+        {
+            Glib::RefPtr<Gio::FileEnumerator> children = file->enumerate_children ();
+            Glib::RefPtr<Gio::FileInfo> child_info;
+            while (child_info = children->next_file ())
+            {
+                goffset size = get_size_recursively (
+                        file->get_child (child_info->get_name ()));
+                total += size;
+            }
+            //std::cout << file->get_path () << ": " << total << std::endl;
+        }
+        else
+        {
+            total = info->get_size ();
+        }
+    }
+    catch (const Glib::Error& error)
+    {
+        std::cerr << error.what () << std::endl;
+    }
+    return total;
+}
+
+int main(int argc, char** argv)
+{
+    std::string root_dir = ".";
+    if (argc > 1) {
+        root_dir = argv[1];
+    }
+    Gio::init ();
+    Glib::RefPtr<Gio::File> file = Gio::File::create_for_path (root_dir);
+    std::cout << "Gathering disk usage information for '" << file->get_path () << "'" << std::endl;
+    goffset total = get_size_recursively (file);
+    std::cout << "Total: " << total << std::endl;
+
+    return 0;
+}