Todo
/* $Id$ */
/* Copyright (c) 2010-2020 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Todo */
/* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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
* HOLDER 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. */
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <System.h>
#include "task.h"
/* Task */
/* private */
/* types */
struct _Task
{
Config * config;
/* internal */
char * filename;
String * description;
};
/* prototype */
static int _task_config_get_boolean(Task * task, char const * section,
char const * variable);
/* public */
/* functions */
/* task_new */
Task * task_new(void)
{
Task * task;
if((task = object_new(sizeof(*task))) == NULL)
return NULL;
task->config = config_new();
task->filename = NULL;
task->description = NULL;
if(task->config == NULL)
{
task_delete(task);
return NULL;
}
task_set_start(task, time(NULL));
return task;
}
/* task_new_from_file */
Task * task_new_from_file(char const * filename)
{
Task * task;
if((task = task_new()) == NULL)
return NULL;
if(task_set_filename(task, filename) != 0
|| task_load(task) != 0)
{
task_delete(task);
return NULL;
}
return task;
}
/* task_delete */
void task_delete(Task * task)
{
string_delete(task->description);
free(task->filename);
if(task->config != NULL)
config_delete(task->config);
object_delete(task);
}
/* accessors */
/* task_get_description */
char const * task_get_description(Task * task)
{
String const * p;
String * q;
if(task->description != NULL)
return task->description;
if((p = config_get(task->config, NULL, "description")) == NULL)
return "";
if((q = string_new_replace(p, "\\n", "\n")) == NULL
|| string_replace(&q, "\\\\", "\\") != 0)
return NULL;
task->description = q;
return task->description;
}
/* task_get_done */
int task_get_done(Task * task)
{
return _task_config_get_boolean(task, NULL, "done");
}
/* task_get_end */
time_t task_get_end(Task * task)
{
char const * end;
if((end = config_get(task->config, NULL, "end")) == NULL)
return 0;
return atoi(end);
}
/* task_get_filename */
char const * task_get_filename(Task * task)
{
return task->filename;
}
/* task_get_priority */
char const * task_get_priority(Task * task)
{
char const * ret;
if((ret = config_get(task->config, NULL, "priority")) == NULL)
return "";
return ret;
}
/* task_get_start */
time_t task_get_start(Task * task)
{
char const * start;
if((start = config_get(task->config, NULL, "start")) == NULL)
return 0;
return atoi(start);
}
/* task_get_title */
char const * task_get_title(Task * task)
{
char const * ret;
if((ret = config_get(task->config, NULL, "title")) == NULL)
return "";
return ret;
}
/* task_set_description */
int task_set_description(Task * task, char const * description)
{
String * d;
if((d = string_new_replace(description, "\\", "\\\\")) == NULL)
return -1;
if(string_replace(&d, "\n", "\\n") != 0
|| config_set(task->config, NULL, "description", d)
!= 0)
{
string_delete(d);
return -1;
}
string_delete(task->description);
task->description = d;
return 0;
}
/* task_set_done */
int task_set_done(Task * task, int done)
{
task_set_end(task, done ? time(NULL) : 0);
return config_set(task->config, NULL, "done", done ? "1" : "0");
}
/* task_set_end */
int task_set_end(Task * task, time_t end)
{
char buf[32];
if(end == 0)
return config_set(task->config, NULL, "end", NULL);
snprintf(buf, sizeof(buf), "%lu", (unsigned long)end);
return config_set(task->config, NULL, "end", buf);
}
/* task_set_filename */
int task_set_filename(Task * task, char const * filename)
{
char * p;
if((p = strdup(filename)) == NULL)
return -1; /* XXX set error */
free(task->filename);
task->filename = p;
return 0;
}
/* task_set_priority */
int task_set_priority(Task * task, char const * priority)
{
return config_set(task->config, NULL, "priority", priority);
}
/* task_set_start */
int task_set_start(Task * task, time_t start)
{
char buf[16];
snprintf(buf, sizeof(buf), "%lu", (unsigned long)start);
return config_set(task->config, NULL, "start", buf);
}
/* task_set_title */
int task_set_title(Task * task, char const * title)
{
return config_set(task->config, NULL, "title", title);
}
/* useful */
/* task_load */
int task_load(Task * task)
{
config_reset(task->config);
return config_load(task->config, task->filename);
}
/* task_save */
int task_save(Task * task)
{
if(task->filename == NULL)
return -1; /* XXX set error */
return config_save(task->config, task->filename);
}
/* task_unlink */
int task_unlink(Task * task)
{
if(task->filename == NULL)
return -1; /* XXX set error */
return unlink(task->filename);
}
/* private */
/* functions */
/* task_config_get_boolean */
static int _task_config_get_boolean(Task * task, char const * section,
char const * variable)
{
int ret;
char const * string;
char * p;
if((string = config_get(task->config, section, variable)) == NULL)
return -1;
ret = strtol(string, &p, 10);
if(string[0] == '\0' || *p != '\0')
return -1;
return ret ? 1 : 0;
}