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/*
* Calcurse - text-based organizer
*
* Copyright (c) 2004-2015 calcurse Development Team <misc@calcurse.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Send your feedback or comments to : misc@calcurse.org
* Calcurse home page : http://calcurse.org
*
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "calcurse.h"
#include "sha1.h"
llist_t todolist;
static int todo_is_uncompleted(struct todo *todo, void *cbdata)
{
return !todo->completed;
}
/* Returns a structure containing the selected item. */
struct todo *todo_get_item(int item_number, int skip_completed)
{
llist_item_t *i;
if (skip_completed)
i = LLIST_FIND_NTH(&todolist, item_number, NULL,
todo_is_uncompleted);
else
i = LLIST_NTH(&todolist, item_number);
return LLIST_GET_DATA(i);
}
static int todo_cmp_id(struct todo *a, struct todo *b)
{
return a->id - b->id;
}
/*
* Add an item in the todo linked list.
*/
struct todo *todo_add(char *mesg, int id, int completed, char *note)
{
struct todo *todo;
todo = mem_malloc(sizeof(struct todo));
todo->mesg = mem_strdup(mesg);
todo->id = id;
todo->completed = completed;
todo->note = (note != NULL
&& note[0] != '\0') ? mem_strdup(note) : NULL;
LLIST_ADD_SORTED(&todolist, todo, todo_cmp_id);
return todo;
}
char *todo_tostr(struct todo *todo)
{
char *res;
const char *cstr = todo->completed ? "-" : "";
if (todo->note)
asprintf(&res, "[%s%d]>%s %s", cstr, todo->id, todo->note,
todo->mesg);
else
asprintf(&res, "[%s%d] %s", cstr, todo->id, todo->mesg);
return res;
}
char *todo_hash(struct todo *todo)
{
char *raw = todo_tostr(todo);
char *sha1 = mem_malloc(SHA1_DIGESTLEN * 2 + 1);
sha1_digest(raw, sha1);
mem_free(raw);
return sha1;
}
void todo_write(struct todo *todo, FILE * f)
{
char *str = todo_tostr(todo);
fprintf(f, "%s\n", str);
mem_free(str);
}
/* Delete a note previously attached to a todo item. */
void todo_delete_note(struct todo *todo)
{
if (!todo->note)
EXIT(_("no note attached"));
erase_note(&todo->note);
}
/* Delete an item from the todo linked list. */
void todo_delete(struct todo *todo)
{
llist_item_t *i = LLIST_FIND_FIRST(&todolist, todo, NULL);
if (!i)
EXIT(_("no such todo"));
LLIST_REMOVE(&todolist, i);
mem_free(todo->mesg);
erase_note(&todo->note);
mem_free(todo);
}
/* Flag a todo item. */
void todo_flag(struct todo *t)
{
t->completed = !t->completed;
}
/*
* Returns the position into the linked list corresponding to the
* given todo item.
*/
int todo_get_position(struct todo *needle)
{
llist_item_t *i;
int n = 0;
LLIST_FOREACH(&todolist, i) {
if (LLIST_TS_GET_DATA(i) == needle)
return n;
n++;
}
EXIT(_("todo not found"));
return -1; /* avoid compiler warnings */
}
/* Attach a note to a todo */
void todo_edit_note(struct todo *i, const char *editor)
{
edit_note(&i->note, editor);
}
/* View a note previously attached to a todo */
void todo_view_note(struct todo *i, const char *pager)
{
view_note(i->note, pager);
}
void todo_free(struct todo *todo)
{
mem_free(todo->mesg);
erase_note(&todo->note);
mem_free(todo);
}
void todo_init_list(void)
{
LLIST_INIT(&todolist);
}
void todo_free_list(void)
{
LLIST_FREE_INNER(&todolist, todo_free);
LLIST_FREE(&todolist);
}
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