Adding upstream version 1:7.0.3.upstream/1%7.0.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/rust/src/detect/parser.rs b/rust/src/detect/parser.rs
new file mode 100644
index 0000000..0ac5846
--- /dev/null
+++ b/rust/src/detect/parser.rs
@@ -0,0 +1,38 @@
+/* Copyright (C) 2022 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use crate::detect::error::RuleParseError;
+
+use nom7::bytes::complete::is_not;
+use nom7::character::complete::multispace0;
+use nom7::sequence::preceded;
+use nom7::IResult;
+
+static WHITESPACE: &str = " \t\r\n";
+/// Parse all characters up until the next whitespace character.
+pub fn take_until_whitespace(input: &str) -> IResult<&str, &str, RuleParseError<&str>> {
+    nom7::bytes::complete::is_not(WHITESPACE)(input)
+}
+
+/// Parse the next token ignoring leading whitespace.
+///
+/// A token is the next sequence of chars until a terminating character. Leading whitespace
+/// is ignore.
+pub fn parse_token(input: &str) -> IResult<&str, &str, RuleParseError<&str>> {
+    let terminators = "\n\r\t,;: ";
+    preceded(multispace0, is_not(terminators))(input)
+}