1afc2ba1dSToomas Soome /*
2afc2ba1dSToomas Soome * stub main for testing Ficl
3afc2ba1dSToomas Soome * $Id: main.c,v 1.2 2010/09/10 09:01:28 asau Exp $
4afc2ba1dSToomas Soome */
5afc2ba1dSToomas Soome /*
6afc2ba1dSToomas Soome * Copyright (c) 1997-2001 John Sadler (john_sadler@alum.mit.edu)
7afc2ba1dSToomas Soome * All rights reserved.
8afc2ba1dSToomas Soome *
9afc2ba1dSToomas Soome * Get the latest Ficl release at http://ficl.sourceforge.net
10afc2ba1dSToomas Soome *
11afc2ba1dSToomas Soome * I am interested in hearing from anyone who uses Ficl. If you have
12afc2ba1dSToomas Soome * a problem, a success story, a defect, an enhancement request, or
13afc2ba1dSToomas Soome * if you would like to contribute to the Ficl release, please
14afc2ba1dSToomas Soome * contact me by email at the address above.
15afc2ba1dSToomas Soome *
16afc2ba1dSToomas Soome * L I C E N S E and D I S C L A I M E R
17afc2ba1dSToomas Soome *
18afc2ba1dSToomas Soome * Redistribution and use in source and binary forms, with or without
19afc2ba1dSToomas Soome * modification, are permitted provided that the following conditions
20afc2ba1dSToomas Soome * are met:
21afc2ba1dSToomas Soome * 1. Redistributions of source code must retain the above copyright
22afc2ba1dSToomas Soome * notice, this list of conditions and the following disclaimer.
23afc2ba1dSToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
24afc2ba1dSToomas Soome * notice, this list of conditions and the following disclaimer in the
25afc2ba1dSToomas Soome * documentation and/or other materials provided with the distribution.
26afc2ba1dSToomas Soome *
27afc2ba1dSToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
28afc2ba1dSToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29afc2ba1dSToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30afc2ba1dSToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
31afc2ba1dSToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32afc2ba1dSToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33afc2ba1dSToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34afc2ba1dSToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35afc2ba1dSToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36afc2ba1dSToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37afc2ba1dSToomas Soome * SUCH DAMAGE.
38afc2ba1dSToomas Soome */
39afc2ba1dSToomas Soome
40afc2ba1dSToomas Soome #include <stdio.h>
41afc2ba1dSToomas Soome #include <stdlib.h>
42afc2ba1dSToomas Soome #include <unistd.h>
43afc2ba1dSToomas Soome #include <termios.h>
44afc2ba1dSToomas Soome #include <sys/errno.h>
45*8aafd47dSToomas Soome #include <err.h>
46afc2ba1dSToomas Soome
47afc2ba1dSToomas Soome #include <ficl.h>
48afc2ba1dSToomas Soome #include <ficlplatform/emu.h>
49afc2ba1dSToomas Soome #include <libtecla.h>
50afc2ba1dSToomas Soome
51afc2ba1dSToomas Soome #define LINELEN 1024
52afc2ba1dSToomas Soome #define HISTORY 2048
53afc2ba1dSToomas Soome
54afc2ba1dSToomas Soome static char *
prompt(void)55afc2ba1dSToomas Soome prompt(void)
56afc2ba1dSToomas Soome {
57afc2ba1dSToomas Soome static char prompt[20]; /* probably too large, but well... */
58afc2ba1dSToomas Soome char *pr, *p, *cp, *ev;
59afc2ba1dSToomas Soome int n = 0;
60afc2ba1dSToomas Soome
61afc2ba1dSToomas Soome if ((cp = getenv("prompt")) == NULL)
62afc2ba1dSToomas Soome cp = ">";
63afc2ba1dSToomas Soome pr = p = strdup(cp);
64afc2ba1dSToomas Soome
65afc2ba1dSToomas Soome while (*p != 0) {
66afc2ba1dSToomas Soome if ((*p == '$') && (*(p+1) == '{')) {
67afc2ba1dSToomas Soome for (cp = p + 2; (*cp != 0) && (*cp != '}'); cp++)
68afc2ba1dSToomas Soome ;
69afc2ba1dSToomas Soome *cp = 0;
70afc2ba1dSToomas Soome ev = getenv(p + 2);
71afc2ba1dSToomas Soome
72afc2ba1dSToomas Soome if (ev != NULL)
73afc2ba1dSToomas Soome n = sprintf(prompt+n, "%s", ev);
74afc2ba1dSToomas Soome p = cp + 1;
75afc2ba1dSToomas Soome continue;
76afc2ba1dSToomas Soome }
77afc2ba1dSToomas Soome prompt[n++] = *p;
78afc2ba1dSToomas Soome p++;
79afc2ba1dSToomas Soome }
80afc2ba1dSToomas Soome if (prompt[n - 1] != ' ')
81afc2ba1dSToomas Soome prompt[n++] = ' ';
82afc2ba1dSToomas Soome prompt[n] = '\0';
83afc2ba1dSToomas Soome free(pr);
84afc2ba1dSToomas Soome return (prompt);
85afc2ba1dSToomas Soome }
86afc2ba1dSToomas Soome
87afc2ba1dSToomas Soome int
main(int argc,char ** argv)88afc2ba1dSToomas Soome main(int argc, char **argv)
89afc2ba1dSToomas Soome {
90afc2ba1dSToomas Soome int returnValue = 0;
91afc2ba1dSToomas Soome char *buffer;
92afc2ba1dSToomas Soome GetLine *gl;
93afc2ba1dSToomas Soome ficlVm *vm;
94afc2ba1dSToomas Soome struct winsize ws;
95afc2ba1dSToomas Soome int cols = 80, rows = 24;
96afc2ba1dSToomas Soome
97afc2ba1dSToomas Soome if (ioctl(1, TIOCGWINSZ, &ws) != -1) {
98afc2ba1dSToomas Soome if (ws.ws_col)
99afc2ba1dSToomas Soome cols = ws.ws_col;
100afc2ba1dSToomas Soome if (ws.ws_row)
101afc2ba1dSToomas Soome rows = ws.ws_row;
102afc2ba1dSToomas Soome }
103afc2ba1dSToomas Soome
104*8aafd47dSToomas Soome (void) clearenv();
105*8aafd47dSToomas Soome if (asprintf(&buffer, "%d", cols) < 0)
106*8aafd47dSToomas Soome err(EXIT_FAILURE, NULL);
107*8aafd47dSToomas Soome (void) setenv("screen-#cols", buffer, 1);
108afc2ba1dSToomas Soome free(buffer);
109*8aafd47dSToomas Soome if (asprintf(&buffer, "%d", rows) < 0)
110*8aafd47dSToomas Soome err(EXIT_FAILURE, NULL);
111*8aafd47dSToomas Soome (void) setenv("screen-#rows", buffer, 1);
112afc2ba1dSToomas Soome free(buffer);
113afc2ba1dSToomas Soome
114afc2ba1dSToomas Soome if (getenv("prompt") == NULL)
115*8aafd47dSToomas Soome (void) setenv("prompt", "${interpret}", 1);
116afc2ba1dSToomas Soome if (getenv("interpret") == NULL)
117*8aafd47dSToomas Soome (void) setenv("interpret", "ok", 1);
118afc2ba1dSToomas Soome
119afc2ba1dSToomas Soome if ((vm = bf_init("", NULL)) == NULL)
120*8aafd47dSToomas Soome err(EXIT_FAILURE, NULL);
121b66926aaSToomas Soome returnValue = ficlVmEvaluate(vm, ".ver cr quit");
122afc2ba1dSToomas Soome
123afc2ba1dSToomas Soome /*
124afc2ba1dSToomas Soome * load files specified on command-line
125afc2ba1dSToomas Soome */
126afc2ba1dSToomas Soome if (argc > 1) {
127*8aafd47dSToomas Soome if (asprintf(&buffer, ".( loading %s ) cr include %s\n cr",
128*8aafd47dSToomas Soome argv[1], argv[1]) < 0)
129*8aafd47dSToomas Soome err(EXIT_FAILURE, NULL);
130afc2ba1dSToomas Soome returnValue = ficlVmEvaluate(vm, buffer);
131afc2ba1dSToomas Soome free(buffer);
132afc2ba1dSToomas Soome }
133afc2ba1dSToomas Soome
134afc2ba1dSToomas Soome if ((gl = new_GetLine(LINELEN, HISTORY)) == NULL) {
135afc2ba1dSToomas Soome bf_fini();
136*8aafd47dSToomas Soome err(EXIT_FAILURE, NULL);
137afc2ba1dSToomas Soome }
138afc2ba1dSToomas Soome
139afc2ba1dSToomas Soome while (returnValue != FICL_VM_STATUS_USER_EXIT) {
140afc2ba1dSToomas Soome if ((buffer = gl_get_line(gl, prompt(), NULL, -1)) == NULL)
141afc2ba1dSToomas Soome break;
142afc2ba1dSToomas Soome returnValue = bf_run(buffer);
143afc2ba1dSToomas Soome }
144afc2ba1dSToomas Soome
145afc2ba1dSToomas Soome gl = del_GetLine(gl);
146afc2ba1dSToomas Soome bf_fini();
147*8aafd47dSToomas Soome if (returnValue != FICL_VM_STATUS_USER_EXIT)
148*8aafd47dSToomas Soome return (EXIT_FAILURE);
149*8aafd47dSToomas Soome return (EXIT_SUCCESS);
150afc2ba1dSToomas Soome }
151