+++ /dev/null
-/*
- * Geeqie
- * Copyright (C) 2008 The Geeqie Team
- *
- * Authors: John Ellis, Vladimir Nadvornik, Laurent Monin
- *
- *
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
- */
-
-#include "main.h"
-#include "history_list.h"
-
-#include "secure_save.h"
-#include "ui_fileops.h"
-
-/*
- *-----------------------------------------------------------------------------
- * history lists
- *-----------------------------------------------------------------------------
- */
-
-#define HISTORY_DEFAULT_KEY_COUNT 16
-
-
-typedef struct _HistoryData HistoryData;
-struct _HistoryData
-{
- gchar *key;
- GList *list;
-};
-
-static GList *history_list = NULL;
-
-
-static gchar *quoted_from_text(const gchar *text)
-{
- const gchar *ptr;
- gint c = 0;
- gint l = strlen(text);
-
- if (l == 0) return NULL;
-
- while (c < l && text[c] !='"') c++;
- if (text[c] == '"')
- {
- gint e;
- c++;
- ptr = text + c;
- e = c;
- while (e < l && text[e] !='"') e++;
- if (text[e] == '"')
- {
- if (e - c > 0)
- {
- return g_strndup(ptr, e - c);
- }
- }
- }
- return NULL;
-}
-
-gint history_list_load(const gchar *path)
-{
- FILE *f;
- gchar *key = NULL;
- gchar s_buf[1024];
- gchar *pathl;
-
- pathl = path_from_utf8(path);
- f = fopen(pathl, "r");
- g_free(pathl);
- if (!f) return FALSE;
-
- /* first line must start with History comment */
- if (!fgets(s_buf, sizeof(s_buf), f) ||
- strncmp(s_buf, "#History", 8) != 0)
- {
- fclose(f);
- return FALSE;
- }
-
- while (fgets(s_buf, sizeof(s_buf), f))
- {
- if (s_buf[0]=='#') continue;
- if (s_buf[0]=='[')
- {
- gint c;
- gchar *ptr;
-
- ptr = s_buf + 1;
- c = 0;
- while (ptr[c] != ']' && ptr[c] != '\n' && ptr[c] != '\0') c++;
-
- g_free(key);
- key = g_strndup(ptr, c);
- }
- else
- {
- gchar *value;
-
- value = quoted_from_text(s_buf);
- if (value && key)
- {
- history_list_add_to_key(key, value, 0);
- }
- g_free(value);
- }
- }
-
- fclose(f);
-
- g_free(key);
-
- return TRUE;
-}
-
-gint history_list_save(const gchar *path)
-{
- SecureSaveInfo *ssi;
- GList *list;
- gchar *pathl;
-
- pathl = path_from_utf8(path);
- ssi = secure_open(pathl);
- g_free(pathl);
- if (!ssi)
- {
- log_printf(_("Unable to write history lists to: %s\n"), path);
- return FALSE;
- }
-
- secure_fprintf(ssi, "#History lists\n\n");
-
- list = g_list_last(history_list);
- while (list && secsave_errno == SS_ERR_NONE)
- {
- HistoryData *hd;
- GList *work;
-
- hd = list->data;
- list = list->prev;
-
- secure_fprintf(ssi, "[%s]\n", hd->key);
-
- /* save them inverted (oldest to newest)
- * so that when reading they are added correctly
- */
- work = g_list_last(hd->list);
- while (work && secsave_errno == SS_ERR_NONE)
- {
- secure_fprintf(ssi, "\"%s\"\n", (gchar *)work->data);
- work = work->prev;
- }
- secure_fputc(ssi, '\n');
- }
-
- secure_fprintf(ssi, "#end\n");
-
- return (secure_close(ssi) == 0);
-}
-
-static void history_list_free(HistoryData *hd)
-{
- GList *work;
-
- if (!hd) return;
-
- work = hd->list;
- while (work)
- {
- g_free(work->data);
- work = work->next;
- }
-
- g_free(hd->key);
- g_free(hd);
-}
-
-static HistoryData *history_list_find_by_key(const gchar *key)
-{
- GList *work = history_list;
-
- if (!key) return NULL;
-
- while (work)
- {
- HistoryData *hd = work->data;
- if (strcmp(hd->key, key) == 0) return hd;
- work = work->next;
- }
- return NULL;
-}
-
-const gchar *history_list_find_last_path_by_key(const gchar *key)
-{
- HistoryData *hd;
-
- hd = history_list_find_by_key(key);
- if (!hd || !hd->list) return NULL;
-
- return hd->list->data;
-}
-
-void history_list_free_key(const gchar *key)
-{
- HistoryData *hd;
- hd = history_list_find_by_key(key);
- if (!hd) return;
-
- history_list = g_list_remove(history_list, hd);
- history_list_free(hd);
-}
-
-void history_list_add_to_key(const gchar *key, const gchar *path, gint max)
-{
- HistoryData *hd;
- GList *work;
-
- if (!key || !path) return;
-
- hd = history_list_find_by_key(key);
- if (!hd)
- {
- hd = g_new(HistoryData, 1);
- hd->key = g_strdup(key);
- hd->list = NULL;
- history_list = g_list_prepend(history_list, hd);
- }
-
- /* if already in the list, simply move it to the top */
- work = hd->list;
- while (work)
- {
- gchar *buf = work->data;
-
- if (strcmp(buf, path) == 0)
- {
- /* if not first, move it */
- if (work != hd->list)
- {
- hd->list = g_list_remove(hd->list, buf);
- hd->list = g_list_prepend(hd->list, buf);
- }
- return;
- }
- work = work->next;
- }
-
- hd->list = g_list_prepend(hd->list, g_strdup(path));
-
- if (max == -1) max = HISTORY_DEFAULT_KEY_COUNT;
- if (max > 0)
- {
- gint len = 0;
- GList *work = hd->list;
- GList *last = NULL;
-
- while (work)
- {
- len++;
- last = work;
- work = work->next;
- }
-
- work = last;
- while (work && len > max)
- {
- GList *node = work;
- work = work->prev;
-
- g_free(node->data);
- hd->list = g_list_delete_link(hd->list, node);
- len--;
- }
- }
-}
-
-void history_list_item_change(const gchar *key, const gchar *oldpath, const gchar *newpath)
-{
- HistoryData *hd;
- GList *work;
-
- if (!oldpath) return;
- hd = history_list_find_by_key(key);
- if (!hd) return;
-
- work = hd->list;
- while (work)
- {
- gchar *buf = work->data;
- if (strcmp(buf, oldpath) == 0)
- {
- if (newpath)
- {
- work->data = g_strdup(newpath);
- }
- else
- {
- hd->list = g_list_remove(hd->list, buf);
- }
- g_free(buf);
- return;
- }
- work = work->next;
- }
-}
-
-void history_list_item_move(const gchar *key, const gchar *path, gint direction)
-{
- HistoryData *hd;
- GList *work;
- gint p = 0;
-
- if (!path) return;
- hd = history_list_find_by_key(key);
- if (!hd) return;
-
- work = hd->list;
- while (work)
- {
- gchar *buf = work->data;
- if (strcmp(buf, path) == 0)
- {
- p += direction;
- if (p < 0) return;
- hd->list = g_list_remove(hd->list, buf);
- hd->list = g_list_insert(hd->list, buf, p);
- return;
- }
- work = work->next;
- p++;
- }
-}
-
-void history_list_item_remove(const gchar *key, const gchar *path)
-{
- history_list_item_change(key, path, NULL);
-}
-
-GList *history_list_get_by_key(const gchar *key)
-{
- HistoryData *hd;
-
- hd = history_list_find_by_key(key);
- if (!hd) return NULL;
-
- return hd->list;
-}
-/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff