4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Intel Corporation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
36 * All rights reserved.
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions are met:
40 * * Redistributions of source code must retain the above copyright
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46 * names of its contributors may be used to endorse or promote products
47 * derived from this software without specific prior written permission.
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50 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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53 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
54 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
55 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
56 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
57 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
58 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 #include <rte_string_fns.h>
69 #include "cmdline_parse.h"
70 #include "cmdline_parse_string.h"
72 struct cmdline_token_ops cmdline_token_string_ops = {
73 .parse = cmdline_parse_string,
74 .complete_get_nb = cmdline_complete_get_nb_string,
75 .complete_get_elt = cmdline_complete_get_elt_string,
76 .get_help = cmdline_get_help_string,
79 #define CHOICESTRING_HELP "Mul-choice STRING"
80 #define ANYSTRING_HELP "Any STRING"
81 #define ANYSTRINGS_HELP "Any STRINGS"
82 #define FIXEDSTRING_HELP "Fixed STRING"
85 get_token_len(const char *s)
91 while (c!='#' && c!='\0') {
99 get_next_token(const char *s)
102 i = get_token_len(s);
109 cmdline_parse_string(cmdline_parse_token_hdr_t *tk, const char *buf, void *res,
112 struct cmdline_token_string *tk2;
113 struct cmdline_token_string_data *sd;
114 unsigned int token_len;
117 if (res && ressize < STR_TOKEN_SIZE)
120 if (!tk || !buf || ! *buf)
123 tk2 = (struct cmdline_token_string *)tk;
125 sd = &tk2->string_data;
127 /* fixed string (known single token) */
128 if ((sd->str != NULL) && (strcmp(sd->str, TOKEN_STRING_MULTI) != 0)) {
131 token_len = get_token_len(str);
133 /* if token is too big... */
134 if (token_len >= STR_TOKEN_SIZE - 1) {
138 if ( strncmp(buf, str, token_len) ) {
142 if ( !cmdline_isendoftoken(*(buf+token_len)) ) {
147 } while ( (str = get_next_token(str)) != NULL );
153 else if (sd->str != NULL) {
154 if (ressize < STR_MULTI_TOKEN_SIZE)
158 while (!cmdline_isendofcommand(buf[token_len]) &&
159 token_len < (STR_MULTI_TOKEN_SIZE - 1))
162 /* return if token too long */
163 if (token_len >= (STR_MULTI_TOKEN_SIZE - 1))
166 /* unspecified string (unknown single token) */
169 while(!cmdline_isendoftoken(buf[token_len]) &&
170 token_len < (STR_TOKEN_SIZE-1))
173 /* return if token too long */
174 if (token_len >= STR_TOKEN_SIZE - 1) {
180 if ((sd->str != NULL) && (strcmp(sd->str, TOKEN_STRING_MULTI) == 0))
181 /* we are sure that token_len is < STR_MULTI_TOKEN_SIZE-1 */
182 snprintf(res, STR_MULTI_TOKEN_SIZE, "%s", buf);
184 /* we are sure that token_len is < STR_TOKEN_SIZE-1 */
185 snprintf(res, STR_TOKEN_SIZE, "%s", buf);
187 *((char *)res + token_len) = 0;
193 int cmdline_complete_get_nb_string(cmdline_parse_token_hdr_t *tk)
195 struct cmdline_token_string *tk2;
196 struct cmdline_token_string_data *sd;
203 tk2 = (struct cmdline_token_string *)tk;
204 sd = &tk2->string_data;
210 while( (str = get_next_token(str)) != NULL ) {
216 int cmdline_complete_get_elt_string(cmdline_parse_token_hdr_t *tk, int idx,
217 char *dstbuf, unsigned int size)
219 struct cmdline_token_string *tk2;
220 struct cmdline_token_string_data *sd;
224 if (!tk || !dstbuf || idx < 0)
227 tk2 = (struct cmdline_token_string *)tk;
228 sd = &tk2->string_data;
233 s = get_next_token(s);
238 len = get_token_len(s);
242 memcpy(dstbuf, s, len);
248 int cmdline_get_help_string(cmdline_parse_token_hdr_t *tk, char *dstbuf,
251 struct cmdline_token_string *tk2;
252 struct cmdline_token_string_data *sd;
258 tk2 = (struct cmdline_token_string *)tk;
259 sd = &tk2->string_data;
264 if (strcmp(s, TOKEN_STRING_MULTI) == 0)
265 snprintf(dstbuf, size, ANYSTRINGS_HELP);
266 else if (get_next_token(s))
267 snprintf(dstbuf, size, CHOICESTRING_HELP);
269 snprintf(dstbuf, size, FIXEDSTRING_HELP);
271 snprintf(dstbuf, size, ANYSTRING_HELP);