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-rw-r--r--src/tools/history.c283
1 files changed, 0 insertions, 283 deletions
diff --git a/src/tools/history.c b/src/tools/history.c
deleted file mode 100644
index 826df693..00000000
--- a/src/tools/history.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * history.c
- *
- * Copyright (C) 2012 - 2015 James Booth <boothj5@gmail.com>
- *
- * This file is part of Profanity.
- *
- * Profanity 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.
- *
- * Profanity 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 Profanity.  If not, see <http://www.gnu.org/licenses/>.
- *
- * In addition, as a special exception, the copyright holders give permission to
- * link the code of portions of this program with the OpenSSL library under
- * certain conditions as described in each individual source file, and
- * distribute linked combinations including the two.
- *
- * You must obey the GNU General Public License in all respects for all of the
- * code used other than OpenSSL. If you modify file(s) with this exception, you
- * may extend this exception to your version of the file(s), but you are not
- * obligated to do so. If you do not wish to do so, delete this exception
- * statement from your version. If you delete this exception statement from all
- * source files in the program, then also delete it here.
- *
- */
-
-#include <stdlib.h>
-#include <string.h>
-
-#include <glib.h>
-
-#include "history.h"
-
-struct history_session_t {
-    GList *items;
-    GList *sess_curr;
-    GList *sess_new;
-    GList *orig_curr;
-};
-
-struct history_t {
-    GList *items;
-    guint max_size;
-    struct history_session_t session;
-};
-
-static void _replace_history_with_session(History history);
-static gboolean _adding_new(History history);
-static void _reset_session(History history);
-static gboolean _has_session(History history);
-static void _remove_first(History history);
-static void _update_current_session_item(History history, char *item);
-static void _add_to_history(History history, char *item);
-static void _remove_last_session_item(History history);
-static void _replace_current_with_original(History history);
-static void _create_session(History history);
-static void _session_previous(History history);
-static void _session_next(History history);
-
-History
-history_new(unsigned int size)
-{
-    History new_history = malloc(sizeof(struct history_t));
-    new_history->items = NULL;
-    new_history->max_size = size;
-
-    _reset_session(new_history);
-
-    return new_history;
-}
-
-void
-history_append(History history, char *item)
-{
-    char *copied = "";
-    if (item != NULL) {
-        copied = strdup(item);
-    }
-
-    if (history->items == NULL) {
-        _add_to_history(history, copied);
-        return;
-    }
-
-    if (!_has_session(history)) {
-        if (g_list_length(history->items) == history->max_size) {
-            _remove_first(history);
-        }
-
-        _add_to_history(history, copied);
-
-    } else {
-        _update_current_session_item(history, copied);
-
-        if (_adding_new(history)) {
-            if (strcmp(history->session.sess_curr->data, "") == 0) {
-                _remove_last_session_item(history);
-            }
-
-            _replace_history_with_session(history);
-
-        } else {
-            _remove_last_session_item(history);
-
-            char *new = strdup(history->session.sess_curr->data);
-            history->session.items = g_list_append(history->session.items, new);
-
-            _replace_current_with_original(history);
-            _replace_history_with_session(history);
-        }
-    }
-}
-
-char *
-history_previous(History history, char *item)
-{
-    // no history
-    if (history->items == NULL) {
-        return NULL;
-    }
-
-    char *copied = "";
-    if (item != NULL) {
-        copied = strdup(item);
-    }
-
-    if (!_has_session(history)) {
-        _create_session(history);
-
-        // add the new item
-        history->session.items = g_list_append(history->session.items, copied);
-        history->session.sess_new = g_list_last(history->session.items);
-
-        char *result = strdup(history->session.sess_curr->data);
-        return result;
-    } else {
-        _update_current_session_item(history, copied);
-        _session_previous(history);
-    }
-
-    char *result = strdup(history->session.sess_curr->data);
-    return result;
-}
-
-char *
-history_next(History history, char *item)
-{
-    // no history, or no session, return NULL
-    if ((history->items == NULL) || (history->session.items == NULL)) {
-        return NULL;
-    }
-
-    if (g_list_next(history->session.sess_curr) == NULL) {
-        return NULL;
-    }
-
-    char *copied = "";
-    if (item != NULL) {
-        copied = strdup(item);
-    }
-
-    _update_current_session_item(history, copied);
-    _session_next(history);
-
-    char *result = strdup(history->session.sess_curr->data);
-    return result;
-}
-
-static void
-_replace_history_with_session(History history)
-{
-    g_list_free(history->items);
-    history->items = g_list_copy(history->session.items);
-
-    if (g_list_length(history->items) > history->max_size) {
-        _remove_first(history);
-    }
-
-    _reset_session(history);
-}
-
-static gboolean
-_adding_new(History history)
-{
-    return (history->session.sess_curr ==
-        g_list_last(history->session.items));
-}
-
-static void
-_reset_session(History history)
-{
-    history->session.items = NULL;
-    history->session.sess_curr = NULL;
-    history->session.sess_new = NULL;
-    history->session.orig_curr = NULL;
-}
-
-static gboolean
-_has_session(History history)
-{
-    return (history->session.items != NULL);
-}
-
-static void
-_remove_first(History history)
-{
-    GList *first = g_list_first(history->items);
-    char *first_item = first->data;
-    history->items = g_list_remove(history->items, first_item);
-}
-
-static void
-_update_current_session_item(History history, char *item)
-{
-    history->session.sess_curr->data = item;
-}
-
-static void
-_add_to_history(History history, char *item)
-{
-    history->items = g_list_append(history->items, item);
-}
-
-static void
-_remove_last_session_item(History history)
-{
-    history->session.items = g_list_reverse(history->session.items);
-    GList *first = g_list_first(history->session.items);
-    history->session.items =
-        g_list_remove(history->session.items, first->data);
-    history->session.items = g_list_reverse(history->session.items);
-}
-
-static void
-_replace_current_with_original(History history)
-{
-    history->session.sess_curr->data = strdup(history->session.orig_curr->data);
-}
-
-static void
-_create_session(History history)
-{
-    history->session.items = g_list_copy(history->items);
-    history->session.sess_curr = g_list_last(history->session.items);
-    history->session.orig_curr = g_list_last(history->items);
-}
-
-static void
-_session_previous(History history)
-{
-    history->session.sess_curr =
-        g_list_previous(history->session.sess_curr);
-    if (history->session.orig_curr == NULL)
-        history->session.orig_curr = g_list_last(history->items);
-    else
-        history->session.orig_curr =
-            g_list_previous(history->session.orig_curr);
-
-    if (history->session.sess_curr == NULL) {
-        history->session.sess_curr = g_list_first(history->session.items);
-        history->session.orig_curr = g_list_first(history->items);
-    }
-}
-
-static void
-_session_next(History history)
-{
-    history->session.sess_curr = g_list_next(history->session.sess_curr);
-    history->session.orig_curr = g_list_next(history->session.orig_curr);
-
-    if (history->session.sess_curr == NULL) {
-        history->session.sess_curr = g_list_last(history->session.items);
-        history->session.orig_curr = NULL;
-    }
-}