Adding upstream version 3.8.1.upstream/3.8.1upstream

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

1 files changed, 61 insertions, 0 deletions

diff --git a/src/libserver/css/parse_error.hxx b/src/libserver/css/parse_error.hxx
new file mode 100644
index 0000000..22b76f0
--- /dev/null
+++ b/src/libserver/css/parse_error.hxx
@@ -0,0 +1,61 @@
+/*-
+ * Copyright 2021 Vsevolod Stakhov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#ifndef RSPAMD_PARSE_ERROR_HXX
+#define RSPAMD_PARSE_ERROR_HXX
+
+#include <string>
+#include <optional>
+
+namespace rspamd::css {
+
+/*
+ * Generic parser errors
+ */
+enum class css_parse_error_type {
+	PARSE_ERROR_UNKNOWN_OPTION,
+	PARSE_ERROR_INVALID_SYNTAX,
+	PARSE_ERROR_BAD_NESTING,
+	PARSE_ERROR_NYI,
+	PARSE_ERROR_UNKNOWN_ERROR,
+	/* All above is treated as fatal error in parsing */
+	PARSE_ERROR_NO_ERROR,
+	PARSE_ERROR_EMPTY,
+};
+
+struct css_parse_error {
+	css_parse_error_type type = css_parse_error_type::PARSE_ERROR_UNKNOWN_ERROR;
+	std::optional<std::string> description;
+
+	explicit css_parse_error(css_parse_error_type type, const std::string &description)
+		: type(type), description(description)
+	{
+	}
+	explicit css_parse_error(css_parse_error_type type = css_parse_error_type::PARSE_ERROR_NO_ERROR)
+		: type(type)
+	{
+	}
+
+	constexpr auto is_fatal(void) const -> bool
+	{
+		return type < css_parse_error_type::PARSE_ERROR_NO_ERROR;
+	}
+};
+
+}// namespace rspamd::css
+#endif//RSPAMD_PARSE_ERROR_HXX