--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 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
+ * OWNER 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.
+ */
+
+/*
+ * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of the University of California, Berkeley nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS AND 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 <stdio.h>
+#include <inttypes.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <rte_string_fns.h>
+
+#include "cmdline_parse.h"
+#include "cmdline_parse_string.h"
+
+struct cmdline_token_ops cmdline_token_string_ops = {
+ .parse = cmdline_parse_string,
+ .complete_get_nb = cmdline_complete_get_nb_string,
+ .complete_get_elt = cmdline_complete_get_elt_string,
+ .get_help = cmdline_get_help_string,
+};
+
+#define MULTISTRING_HELP "Mul-choice STRING"
+#define ANYSTRING_HELP "Any STRING"
+#define FIXEDSTRING_HELP "Fixed STRING"
+
+static unsigned int
+get_token_len(const char *s)
+{
+ char c;
+ unsigned int i=0;
+
+ c = s[i];
+ while (c!='#' && c!='\0') {
+ i++;
+ c = s[i];
+ }
+ return i;
+}
+
+static const char *
+get_next_token(const char *s)
+{
+ unsigned int i;
+ i = get_token_len(s);
+ if (s[i] == '#')
+ return s+i+1;
+ return NULL;
+}
+
+int
+cmdline_parse_string(cmdline_parse_token_hdr_t *tk, const char *buf, void *res,
+ unsigned ressize)
+{
+ struct cmdline_token_string *tk2;
+ struct cmdline_token_string_data *sd;
+ unsigned int token_len;
+ const char *str;
+
+ if (res && ressize < STR_TOKEN_SIZE)
+ return -1;
+
+ if (!tk || !buf || ! *buf)
+ return -1;
+
+ tk2 = (struct cmdline_token_string *)tk;
+
+ sd = &tk2->string_data;
+
+ /* fixed string */
+ if (sd->str) {
+ str = sd->str;
+ do {
+ token_len = get_token_len(str);
+
+ /* if token is too big... */
+ if (token_len >= STR_TOKEN_SIZE - 1) {
+ continue;
+ }
+
+ if ( strncmp(buf, str, token_len) ) {
+ continue;
+ }
+
+ if ( !cmdline_isendoftoken(*(buf+token_len)) ) {
+ continue;
+ }
+
+ break;
+ } while ( (str = get_next_token(str)) != NULL );
+
+ if (!str)
+ return -1;
+ }
+ /* unspecified string */
+ else {
+ token_len = 0;
+ while(!cmdline_isendoftoken(buf[token_len]) &&
+ token_len < (STR_TOKEN_SIZE-1))
+ token_len++;
+
+ /* return if token too long */
+ if (token_len >= STR_TOKEN_SIZE - 1) {
+ return -1;
+ }
+ }
+
+ if (res) {
+ /* we are sure that token_len is < STR_TOKEN_SIZE-1 */
+ snprintf(res, STR_TOKEN_SIZE, "%s", buf);
+ *((char *)res + token_len) = 0;
+ }
+
+
+ return token_len;
+}
+
+int cmdline_complete_get_nb_string(cmdline_parse_token_hdr_t *tk)
+{
+ struct cmdline_token_string *tk2;
+ struct cmdline_token_string_data *sd;
+ const char *str;
+ int ret = 1;
+
+ if (!tk)
+ return -1;
+
+ tk2 = (struct cmdline_token_string *)tk;
+ sd = &tk2->string_data;
+
+ if (!sd->str)
+ return 0;
+
+ str = sd->str;
+ while( (str = get_next_token(str)) != NULL ) {
+ ret++;
+ }
+ return ret;
+}
+
+int cmdline_complete_get_elt_string(cmdline_parse_token_hdr_t *tk, int idx,
+ char *dstbuf, unsigned int size)
+{
+ struct cmdline_token_string *tk2;
+ struct cmdline_token_string_data *sd;
+ const char *s;
+ unsigned int len;
+
+ if (!tk || !dstbuf || idx < 0)
+ return -1;
+
+ tk2 = (struct cmdline_token_string *)tk;
+ sd = &tk2->string_data;
+
+ s = sd->str;
+
+ while (idx-- && s)
+ s = get_next_token(s);
+
+ if (!s)
+ return -1;
+
+ len = get_token_len(s);
+ if (len > size - 1)
+ return -1;
+
+ memcpy(dstbuf, s, len);
+ dstbuf[len] = '\0';
+ return 0;
+}
+
+
+int cmdline_get_help_string(cmdline_parse_token_hdr_t *tk, char *dstbuf,
+ unsigned int size)
+{
+ struct cmdline_token_string *tk2;
+ struct cmdline_token_string_data *sd;
+ const char *s;
+
+ if (!tk || !dstbuf)
+ return -1;
+
+ tk2 = (struct cmdline_token_string *)tk;
+ sd = &tk2->string_data;
+
+ s = sd->str;
+
+ if (s) {
+ if (get_next_token(s))
+ snprintf(dstbuf, size, MULTISTRING_HELP);
+ else
+ snprintf(dstbuf, size, FIXEDSTRING_HELP);
+ } else
+ snprintf(dstbuf, size, ANYSTRING_HELP);
+
+ return 0;
+}
Code Review / deb_dpdk.git / blobdiff