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Diffstat (limited to 'src/undo.cpp')
-rw-r--r-- | src/undo.cpp | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/src/undo.cpp b/src/undo.cpp deleted file mode 100644 index 468c61a..0000000 --- a/src/undo.cpp +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Copyright (C) 2012-2017 Robin Haberkorn - * - * 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 3 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/>. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdio.h> -#include <bsd/sys/queue.h> - -#include <glib.h> -#include <glib/gstdio.h> - -#include <Scintilla.h> - -#include "sciteco.h" -#include "cmdline.h" -#include "undo.h" - -namespace SciTECO { - -//#define DEBUG - -UndoStack undo; - -void -UndoStack::push(UndoToken *token) -{ - /* - * All undo token allocations should take place using the - * variadic template version of UndoStack::push(), so we - * don't have to check `enabled` here. - */ - g_assert(enabled == true); - -#ifdef DEBUG - g_printf("UNDO PUSH %p\n", token); -#endif - - /* - * There can very well be 0 undo tokens - * per input character (e.g. NOPs like space). - */ - while (heads->len <= cmdline.pc) - g_ptr_array_add(heads, NULL); - g_assert(heads->len == cmdline.pc+1); - - SLIST_NEXT(token, tokens) = - (UndoToken *)g_ptr_array_index(heads, heads->len-1); - g_ptr_array_index(heads, heads->len-1) = token; -} - -void -UndoStack::pop(gint pc) -{ - while ((gint)heads->len > pc) { - UndoToken *top = - (UndoToken *)g_ptr_array_remove_index(heads, heads->len-1); - - while (top) { - UndoToken *next = SLIST_NEXT(top, tokens); - -#ifdef DEBUG - g_printf("UNDO POP %p\n", top); - fflush(stdout); -#endif - top->run(); - - delete top; - top = next; - } - } -} - -void -UndoStack::clear(void) -{ - while (heads->len) { - UndoToken *top = - (UndoToken *)g_ptr_array_remove_index(heads, heads->len-1); - - while (top) { - UndoToken *next = SLIST_NEXT(top, tokens); - delete top; - top = next; - } - } -} - -} /* namespace SciTECO */ |