2 * Copyright (c) 2016, 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.
34 #include <ecoli_log.h>
35 #include <ecoli_malloc.h>
36 #include <ecoli_test.h>
37 #include <ecoli_strvec.h>
38 #include <ecoli_node.h>
39 #include <ecoli_parsed.h>
40 #include <ecoli_completed.h>
41 #include <ecoli_node_re.h>
43 EC_LOG_TYPE_REGISTER(node_re);
52 ec_node_re_parse(const struct ec_node *gen_node,
53 struct ec_parsed *state,
54 const struct ec_strvec *strvec)
56 struct ec_node_re *node = (struct ec_node_re *)gen_node;
62 if (ec_strvec_len(strvec) == 0)
63 return EC_PARSED_NOMATCH;
65 str = ec_strvec_val(strvec, 0);
66 if (regexec(&node->re, str, 1, &pos, 0) != 0)
67 return EC_PARSED_NOMATCH;
68 if (pos.rm_so != 0 || pos.rm_eo != (int)strlen(str))
69 return EC_PARSED_NOMATCH;
74 static size_t ec_node_re_get_max_parse_len(const struct ec_node *gen_node)
80 static void ec_node_re_free_priv(struct ec_node *gen_node)
82 struct ec_node_re *node = (struct ec_node_re *)gen_node;
84 ec_free(node->re_str);
88 static struct ec_node_type ec_node_re_type = {
90 .parse = ec_node_re_parse,
91 .complete = ec_node_default_complete,
92 .get_max_parse_len = ec_node_re_get_max_parse_len,
93 .size = sizeof(struct ec_node_re),
94 .free_priv = ec_node_re_free_priv,
97 EC_NODE_TYPE_REGISTER(ec_node_re_type);
99 int ec_node_re_set_regexp(struct ec_node *gen_node, const char *str)
101 struct ec_node_re *node = (struct ec_node_re *)gen_node;
106 if (node->re_str != NULL) // XXX allow to replace
110 node->re_str = ec_strdup(str);
111 if (node->re_str == NULL)
115 if (regcomp(&node->re, node->re_str, REG_EXTENDED) != 0)
121 ec_free(node->re_str);
125 struct ec_node *ec_node_re(const char *id, const char *re_str)
127 struct ec_node *gen_node = NULL;
129 gen_node = __ec_node(&ec_node_re_type, id);
130 if (gen_node == NULL)
133 if (ec_node_re_set_regexp(gen_node, re_str) < 0)
139 ec_node_free(gen_node);
143 /* LCOV_EXCL_START */
144 static int ec_node_re_testcase(void)
146 struct ec_node *node;
149 node = ec_node_re(NULL, "fo+|bar");
151 EC_LOG(EC_LOG_ERR, "cannot create node\n");
154 ret |= EC_TEST_CHECK_PARSE(node, 1, "foo");
155 ret |= EC_TEST_CHECK_PARSE(node, 1, "foo", "bar");
156 ret |= EC_TEST_CHECK_PARSE(node, 1, "bar");
157 ret |= EC_TEST_CHECK_PARSE(node, -1, "foobar");
158 ret |= EC_TEST_CHECK_PARSE(node, -1, " foo");
159 ret |= EC_TEST_CHECK_PARSE(node, -1, "");
166 static struct ec_test ec_node_re_test = {
168 .test = ec_node_re_testcase,
171 EC_TEST_REGISTER(ec_node_re_test);