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// Copyright 2013-2016, The Gtk-rs Project Developers.
// See the COPYRIGHT file at the top-level directory of this distribution.
// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>

use glib::translate::*;
use gtk_sys;
use std::slice;
use TreePath;

impl TreePath {
    /// Returns the current indices of `self`.
    ///
    /// This is an array of integers, each representing a node in a tree.
    /// This value should not be freed.
    ///
    /// The length of the array can be obtained with `TreePath::get_depth`.
    ///
    /// # Returns
    ///
    /// The current indices, or `None`
    pub fn get_indices(&self) -> Vec<i32> {
        unsafe {
            let mut count = 0;
            let ptr = gtk_sys::gtk_tree_path_get_indices_with_depth(
                mut_override(self.to_glib_none().0),
                &mut count,
            );
            if ptr.is_null() {
                vec![]
            } else {
                slice::from_raw_parts(ptr, count as usize).to_owned()
            }
        }
    }
}