2 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the University of California, Berkeley nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 #include <sys/socket.h>
37 #include <netinet/in.h>
38 #include <sys/socket.h>
41 #include "cmdline_parse.h"
42 #include "cmdline_rdline.h"
46 #define PROMPT_SUFFIX "> "
49 /**********************/
52 cmdline_valid_buffer(struct rdline *rdl, const char *buf,
53 __attribute__((unused)) unsigned int size)
55 struct cmdline *cl = rdl->opaque;
57 ret = cmdline_parse(cl, buf);
58 if (ret == CMDLINE_PARSE_AMBIGUOUS)
59 cmdline_printf(cl, "Ambiguous command\n");
60 else if (ret == CMDLINE_PARSE_NOMATCH)
61 cmdline_printf(cl, "Command not found\n");
62 else if (ret == CMDLINE_PARSE_BAD_ARGS)
63 cmdline_printf(cl, "Bad arguments\n");
67 cmdline_complete_buffer(struct rdline *rdl, const char *buf,
68 char *dstbuf, unsigned int dstsize,
71 struct cmdline *cl = rdl->opaque;
72 return cmdline_complete(cl, buf, state, dstbuf, dstsize);
76 cmdline_write_char(struct rdline *rdl, char c)
78 struct cmdline *cl = rdl->opaque;
80 write(cl->s_out, &c, 1);
86 cmdline_set_prompt(struct cmdline *cl, const char *prompt)
88 snprintf(cl->prompt, sizeof(cl->prompt), prompt);
92 cmdline_new(cmdline_parse_ctx_t *ctx, const char *prompt, int s_in, int s_out)
95 cl = malloc(sizeof(struct cmdline));
98 memset(cl, 0, sizeof(struct cmdline));
103 rdline_init(&cl->rdl, cmdline_write_char,
104 cmdline_valid_buffer, cmdline_complete_buffer);
106 cmdline_set_prompt(cl, prompt);
107 rdline_newline(&cl->rdl, cl->prompt);
113 cmdline_free(struct cmdline *cl)
118 if (cl->s_out != cl->s_in && cl->s_out > 2)
124 cmdline_printf(const struct cmdline *cl, const char *fmt, ...)
130 vsnprintf(buffer, 512, fmt, ap);
132 if (cl->s_out >= 0) {
133 write(cl->s_out, buffer, strlen(buffer));
138 cmdline_in(struct cmdline *cl, const char *buf, int size)
140 const char *history, *buffer;
144 /* XXX use defines instead of hardcoded values */
145 for (i=0; i<size; i++) {
146 ret = rdline_char_in(&cl->rdl, buf[i]);
149 buffer = rdline_get_buffer(&cl->rdl);
150 history = rdline_get_history_item(&cl->rdl, 0);
152 same = !memcmp(buffer, history, strlen(history)) &&
153 buffer[strlen(history)] == '\n';
157 if (strlen(buffer) > 1 && !same)
158 rdline_add_history(&cl->rdl, buffer);
159 rdline_newline(&cl->rdl, cl->prompt);