mirror of
https://github.com/SerenityOS/serenity.git
synced 2025-01-26 19:32:06 -05:00
1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
39 lines
696 B
C++
39 lines
696 B
C++
/*
|
|
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include "History.h"
|
|
|
|
void History::push(const StringView& history_item)
|
|
{
|
|
m_items.shrink(m_current_history_item + 1);
|
|
m_items.append(history_item);
|
|
m_current_history_item++;
|
|
}
|
|
|
|
String History::current()
|
|
{
|
|
if (m_current_history_item == -1)
|
|
return {};
|
|
return m_items[m_current_history_item];
|
|
}
|
|
|
|
void History::go_back()
|
|
{
|
|
VERIFY(can_go_back());
|
|
m_current_history_item--;
|
|
}
|
|
|
|
void History::go_forward()
|
|
{
|
|
VERIFY(can_go_forward());
|
|
m_current_history_item++;
|
|
}
|
|
|
|
void History::clear()
|
|
{
|
|
m_items = {};
|
|
m_current_history_item = -1;
|
|
}
|