[gnome-builder] io: add ide_g_file_walk()
- From: Christian Hergert <chergert src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-builder] io: add ide_g_file_walk()
- Date: Tue, 5 Feb 2019 06:15:51 +0000 (UTC)
commit 2780ba6505472a8a3c8a9230d0f2ddc06372b4db
Author: Christian Hergert <chergert redhat com>
Date: Thu Jan 31 14:25:42 2019 -0800
io: add ide_g_file_walk()
This is a helper function that can be used in threads to walk a file-system
starting from a given directory. Crawlers can use this, such as the code
indexer.
src/libide/io/ide-gfile.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++
src/libide/io/ide-gfile.h | 18 +++++++++
2 files changed, 113 insertions(+)
---
diff --git a/src/libide/io/ide-gfile.c b/src/libide/io/ide-gfile.c
index 6cd4fbd6d..b66feba7e 100644
--- a/src/libide/io/ide-gfile.c
+++ b/src/libide/io/ide-gfile.c
@@ -727,3 +727,98 @@ ide_g_host_file_get_contents (const gchar *path,
return TRUE;
}
+
+/**
+ * ide_g_file_walk:
+ * @directory: a #GFile that is a directory
+ * @attributes: attributes to include in #GFileInfo
+ * @cancellable: (nullable): an optional cancellable
+ * @callback: (scope call): a callback for each directory starting from @directory
+ * @callback_data: closure data for @callback
+ *
+ * Calls @callback for every directory starting from @directory.
+ *
+ * All of the fileinfo for the directory will be provided to the callback for
+ * each directory.
+ *
+ * Since: 3.32
+ */
+void
+ide_g_file_walk (GFile *directory,
+ const gchar *attributes,
+ GCancellable *cancellable,
+ IdeFileWalkCallback callback,
+ gpointer callback_data)
+{
+ g_autoptr(GFileEnumerator) enumerator = NULL;
+ g_autoptr(GPtrArray) directories = NULL;
+ g_autoptr(GPtrArray) file_infos = NULL;
+ g_autoptr(GString) str = NULL;
+ g_autoptr(GError) error = NULL;
+ GFileType directory_type;
+ gpointer infoptr;
+ static const gchar *required[] = {
+ G_FILE_ATTRIBUTE_STANDARD_NAME,
+ G_FILE_ATTRIBUTE_STANDARD_TYPE,
+ NULL
+ };
+
+ g_return_if_fail (G_IS_FILE (directory));
+ g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
+
+ if (g_cancellable_is_cancelled (cancellable))
+ return;
+
+ directory_type = g_file_query_file_type (directory,
+ G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+ cancellable);
+
+ if (directory_type != G_FILE_TYPE_DIRECTORY)
+ return;
+
+ str = g_string_new (attributes);
+
+ for (guint i = 0; required[i]; i++)
+ {
+ if (!strstr (str->str, required[i]))
+ g_string_append_printf (str, ",%s", required[i]);
+ }
+
+ directories = g_ptr_array_new_with_free_func (g_object_unref);
+ file_infos = g_ptr_array_new_with_free_func (g_object_unref);
+
+ enumerator = g_file_enumerate_children (directory,
+ str->str,
+ G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+ cancellable,
+ NULL);
+
+ if (enumerator == NULL)
+ return;
+
+ while ((infoptr = g_file_enumerator_next_file (enumerator, cancellable, &error)))
+ {
+ g_autoptr(GFileInfo) info = infoptr;
+ g_autoptr(GFile) child = g_file_enumerator_get_child (enumerator, info);
+
+ if (ide_g_file_is_ignored (child))
+ continue;
+
+ if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
+ g_ptr_array_add (directories, g_steal_pointer (&child));
+
+ g_ptr_array_add (file_infos, g_steal_pointer (&info));
+ }
+
+ callback (directory, file_infos, callback_data);
+
+ for (guint i = 0; i < directories->len; i++)
+ {
+ GFile *child = g_ptr_array_index (directories, i);
+
+ if (g_cancellable_is_cancelled (cancellable))
+ break;
+
+ ide_g_file_walk (child, attributes, cancellable, callback, callback_data);
+ }
+}
diff --git a/src/libide/io/ide-gfile.h b/src/libide/io/ide-gfile.h
index f5f5f46a2..e728b5db4 100644
--- a/src/libide/io/ide-gfile.h
+++ b/src/libide/io/ide-gfile.h
@@ -26,6 +26,18 @@
#include <libide-core.h>
+/**
+ * IdeFileWalkCallback:
+ * @directory: a #GFile of the directory
+ * @file_infos: (element-type GFileInfo): array of #GFileInfo children
+ * of @directory
+ * @user_data: user data for callback
+ *
+ */
+typedef void (*IdeFileWalkCallback) (GFile *directory,
+ GPtrArray *file_infos,
+ gpointer user_data);
+
G_BEGIN_DECLS
IDE_AVAILABLE_IN_3_32
@@ -76,5 +88,11 @@ gboolean ide_g_host_file_get_contents (const gchar *path,
gchar **contents,
gsize *len,
GError **error);
+IDE_AVAILABLE_IN_3_32
+void ide_g_file_walk (GFile *directory,
+ const gchar *attributes,
+ GCancellable *cancellable,
+ IdeFileWalkCallback callback,
+ gpointer callback_data);
G_END_DECLS
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