new node "none" that matches nothing

diff --git a/lib/Makefile b/lib/Makefile
index 2bf8ec0..6c527f4 100644 (file)
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -60,6 +60,7 @@ srcs += ecoli_node_expr_test.c
 srcs += ecoli_node_file.c
 srcs += ecoli_node_int.c
 srcs += ecoli_node_many.c
+srcs += ecoli_node_none.c
 srcs += ecoli_node_once.c
 srcs += ecoli_node_option.c
 srcs += ecoli_node_or.c

diff --git a/lib/ecoli_node_none.c b/lib/ecoli_node_none.c
new file mode 100644 (file)
index 0000000..7c93708
--- /dev/null
+++ b/lib/ecoli_node_none.c
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2018, Olivier MATZ <zer0@droids-corp.org>
+ *
+ * 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 <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <ecoli_malloc.h>
+#include <ecoli_log.h>
+#include <ecoli_test.h>
+#include <ecoli_strvec.h>
+#include <ecoli_node.h>
+#include <ecoli_parsed.h>
+#include <ecoli_completed.h>
+#include <ecoli_node_none.h>
+
+EC_LOG_TYPE_REGISTER(node_none);
+
+struct ec_node_none {
+       struct ec_node gen;
+};
+
+static int ec_node_none_parse(const struct ec_node *gen_node,
+                       struct ec_parsed *state,
+                       const struct ec_strvec *strvec)
+{
+       (void)gen_node;
+       (void)state;
+       (void)strvec;
+
+       return EC_PARSED_NOMATCH;
+}
+
+static int
+ec_node_none_complete(const struct ec_node *gen_node,
+                       struct ec_completed *completed,
+                       const struct ec_strvec *strvec)
+{
+       (void)gen_node;
+       (void)completed;
+       (void)strvec;
+
+       return 0;
+}
+
+static struct ec_node_type ec_node_none_type = {
+       .name = "none",
+       .parse = ec_node_none_parse,
+       .complete = ec_node_none_complete,
+       .size = sizeof(struct ec_node_none),
+};
+
+EC_NODE_TYPE_REGISTER(ec_node_none_type);
+
+/* LCOV_EXCL_START */
+static int ec_node_none_testcase(void)
+{
+       struct ec_node *node;
+       int ret = 0;
+
+       node = ec_node("none", NULL);
+       if (node == NULL) {
+               EC_LOG(EC_LOG_ERR, "cannot create node\n");
+               return -1;
+       }
+       ret |= EC_TEST_CHECK_PARSE(node, -1, "foo");
+       ret |= EC_TEST_CHECK_PARSE(node, -1, "foo", "bar");
+       ret |= EC_TEST_CHECK_PARSE(node, -1);
+       ec_node_free(node);
+
+       /* never completes */
+       node = ec_node("none", NULL);
+       if (node == NULL) {
+               EC_LOG(EC_LOG_ERR, "cannot create node\n");
+               return -1;
+       }
+       ret |= EC_TEST_CHECK_COMPLETE(node,
+               "", EC_NODE_ENDLIST,
+               EC_NODE_ENDLIST);
+       ret |= EC_TEST_CHECK_COMPLETE(node,
+               "foo", EC_NODE_ENDLIST,
+               EC_NODE_ENDLIST);
+       ec_node_free(node);
+
+       return ret;
+}
+/* LCOV_EXCL_STOP */
+
+static struct ec_test ec_node_none_test = {
+       .name = "node_none",
+       .test = ec_node_none_testcase,
+};
+
+EC_TEST_REGISTER(ec_node_none_test);

diff --git a/lib/ecoli_node_none.h b/lib/ecoli_node_none.h
new file mode 100644 (file)
index 0000000..60c5e09
--- /dev/null
+++ b/lib/ecoli_node_none.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2018, Olivier MATZ <zer0@droids-corp.org>
+ *
+ * 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.
+ */
+
+/**
+ * This node does not match anything
+ */
+
+#ifndef ECOLI_NODE_ANY_
+#define ECOLI_NODE_ANY_
+
+#endif