[grilo-plugins/fremantle: 4/27] Added code to use GnomeVFS to get the whole content of a URL

[Xabier Rodriguez Calvar <xrcalvar src gnome org>]

commit 886d63a019c1710c568a9b8da5b5bf9e35480ea2
Author: Xabier Rodriguez Calvar <xrcalvar igalia com>
Date:   Mon Apr 19 13:15:05 2010 +0200

    Added code to use GnomeVFS to get the whole content of a URL

 src/util/gnomevfs.c |  118 +++++++++++++++++++++++++++++++++++++++++++++++++++
 src/util/gnomevfs.h |   36 +++++++++++++++
 2 files changed, 154 insertions(+), 0 deletions(-)
---
diff --git a/src/util/gnomevfs.c b/src/util/gnomevfs.c
new file mode 100644
index 0000000..e7aac56
--- /dev/null
+++ b/src/util/gnomevfs.c
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2010 Igalia S.L.
+ *
+ * Contact: Iago Toral Quiroga <itoral igalia com>
+ *
+ * Authors: Xabier Rodriguez Calvar <xrcalvar igalia com>
+ *
+ * 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; version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gnomevfs.h>
+#include <libgnomevfs/gnome-vfs.h>
+#include <libgnomevfs/gnome-vfs-async-ops.h>
+#include <string.h>
+
+
+/* --------- Logging  -------- */
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "grl-util-gnomevfs"
+
+/* --- Misc --- */
+
+#define GNOME_VFS_READ_SIZE 4096
+
+typedef struct {
+  GString *contents;
+  GrlUtilGnomeVFSReadDoneCb read_done_cb;
+  gpointer read_done_user_data;
+} ReadCompleteInfo;
+
+static void
+gnome_vfs_close_cb (GnomeVFSAsyncHandle *handle, GnomeVFSResult result,
+                    gpointer user_data)
+{
+  GrlUtilGnomeVFSReadDoneCb read_done_cb;
+  gpointer read_done_user_data;
+  gchar *contents;
+  ReadCompleteInfo *rci = user_data;
+
+  read_done_cb = rci->read_done_cb;
+  read_done_user_data = rci->read_done_user_data;
+
+  contents = g_string_free (rci->contents, result != GNOME_VFS_OK);
+
+  g_debug ("result ok? %s, contents: %s", result == GNOME_VFS_OK ? "yes" : "no", contents);
+
+  g_free (rci);
+
+  read_done_cb (contents, read_done_user_data);
+}
+
+static void
+gnome_vfs_read_cb (GnomeVFSAsyncHandle *handle, GnomeVFSResult result,
+                   gpointer buffer, GnomeVFSFileSize bytes_requested,
+                   GnomeVFSFileSize bytes_read, gpointer user_data)
+{
+  if (result == GNOME_VFS_OK || result == GNOME_VFS_ERROR_EOF) {
+    ReadCompleteInfo *rci = user_data;
+    g_string_append_len (rci->contents, buffer, bytes_read);
+  }
+
+  if (result == GNOME_VFS_OK) {
+    gnome_vfs_async_read (handle, buffer, GNOME_VFS_READ_SIZE,
+                          gnome_vfs_read_cb, user_data);
+  } else {
+    g_free (buffer);
+    gnome_vfs_async_close (handle, gnome_vfs_close_cb, user_data);
+  }
+}
+
+static void
+gnome_vfs_open_cb (GnomeVFSAsyncHandle *handle, GnomeVFSResult result,
+                   gpointer user_data)
+{
+  guchar *buffer = g_malloc (GNOME_VFS_READ_SIZE);
+
+  gnome_vfs_async_read (handle, buffer, GNOME_VFS_READ_SIZE,
+                        gnome_vfs_read_cb, user_data);
+}
+
+void
+grl_plugins_gnome_vfs_read_url_async (const gchar *url,
+                                      GrlUtilGnomeVFSReadDoneCb cb,
+                                      gpointer user_data)
+{
+  GnomeVFSAsyncHandle *handle = NULL;
+  ReadCompleteInfo *rci;
+
+  rci = g_new (ReadCompleteInfo, 1);
+  rci->contents = g_string_sized_new (GNOME_VFS_READ_SIZE);
+  rci->read_done_cb = cb;
+  rci->read_done_user_data = user_data;
+
+  gnome_vfs_init ();
+
+  g_debug ("Opening '%s'", url);
+  gnome_vfs_async_open (&handle, url, GNOME_VFS_OPEN_READ,
+                        GNOME_VFS_PRIORITY_DEFAULT, gnome_vfs_open_cb, rci);
+}
diff --git a/src/util/gnomevfs.h b/src/util/gnomevfs.h
new file mode 100644
index 0000000..4f50ea4
--- /dev/null
+++ b/src/util/gnomevfs.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2010 Igalia S.L.
+ *
+ * Contact: Iago Toral Quiroga <itoral igalia com>
+ *
+ * Authors: Xabier Rodriguez Calvar <xrcalvar igalia com>
+ *
+ * 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; version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef _GRL_GNOMEVFS_UTIL_H_
+#define _GRL_GNOMEVFS_UTIL_H_
+
+#include <glib.h>
+
+typedef void (*GrlUtilGnomeVFSReadDoneCb) (gchar *contents, gpointer user_data);
+
+void grl_plugins_gnome_vfs_read_url_async (const gchar *url,
+                                           GrlUtilGnomeVFSReadDoneCb cb,
+                                           gpointer user_data);
+
+#endif /* _GRL_GNOMEVFS_UTIL_H_ */