Editor
/* $Id$ */
/* Copyright (c) 2006-2014 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Editor */
/* 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <locale.h>
#include <libintl.h>
#include "filter.h"
#include "editor.h"
#include "../config.h"
#define _(string) gettext(string)
/* constants */
#ifndef PROGNAME
# define PROGNAME "editor"
#endif
#ifndef PREFIX
# define PREFIX "/usr/local"
#endif
#ifndef DATADIR
# define DATADIR PREFIX "/share"
#endif
#ifndef LOCALEDIR
# define LOCALEDIR DATADIR "/locale"
#endif
/* Editor */
/* private */
/* prototypes */
static int _editor(EditorPrefs * prefs, char const * filename);
static int _editor_filter(EditorPrefs * prefs);
static int _error(char const * message, int ret);
static int _usage(void);
/* functions */
/* editor */
static int _editor(EditorPrefs * prefs, char const * filename)
{
Editor * editor;
if((editor = editor_new(prefs)) == NULL)
return -1;
if(filename != NULL)
editor_open(editor, filename);
gtk_main();
editor_delete(editor);
return 0;
}
/* editor_filter */
static int _editor_filter(EditorPrefs * prefs)
{
int ret = 0;
char template[] = "/tmp/" PROGNAME ".XXXXXX";
int fd;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
/* obtain a temporary file */
if((fd = mkstemp(template)) < 0)
return -_error("mkstemp", 1);
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() \"%s\"\n", __func__, template);
#endif
/* write to and from the temporary file */
if((ret = filter_read(fd, template)) != 0
|| (ret = _editor(prefs, template)) != 0
|| (ret = filter_write(template)) != 0)
error_print(PROGNAME);
/* remove the temporary file */
if(unlink(template) != 0)
/* we can otherwise ignore this error */
_error(template, 1);
return ret;
}
/* error */
static int _error(char const * message, int ret)
{
fputs(PROGNAME ": ", stderr);
perror(message);
return ret;
}
/* usage */
static int _usage(void)
{
fprintf(stderr, _("Usage: %s [-F][filename]\n"
" -F Behave like a filter\n"), PROGNAME);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
EditorPrefs prefs;
int o;
memset(&prefs, 0, sizeof(prefs));
if(setlocale(LC_ALL, "") == NULL)
_error("setlocale", 1);
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
gtk_init(&argc, &argv);
while((o = getopt(argc, argv, "F")) != -1)
switch(o)
{
case 'F':
prefs.filter = 1;
break;
default:
return _usage();
}
if(prefs.filter != 0 && optind == argc)
return (_editor_filter(&prefs) == 0) ? 0 : 2;
/* ignore filter mode if a filename was supplied */
prefs.filter = 0;
if(optind != argc && optind + 1 != argc)
return _usage();
if(argc - optind == 1)
return (_editor(&prefs, argv[optind]) == 0) ? 0 : 2;
return (_editor(&prefs, NULL) == 0) ? 0 : 2;
}