[GitHub] [trafficserver] jrushford commented on a change in pull request #7948: Improve parsing error messages for strategies.yaml.

[GitBox <gi...@apache.org>]

jrushford commented on a change in pull request #7948:
URL: https://github.com/apache/trafficserver/pull/7948#discussion_r655576847



##########
File path: mgmt/YamlCfg.h
##########
@@ -0,0 +1,77 @@
+/** @file
+
+  Utilites to help with parsing YAML files with good error reporting.
+
+  @section license License
+
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you 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
+
+#include <vector>
+#include <string_view>
+
+#include <yaml-cpp/yaml.h>
+
+namespace ts
+{
+namespace Yaml
+{
+  // A class that is a wrapper for a YAML::Node that corresponds to a map in a YAML input file.
+  // It's purpose is to make sure all keys in the map are processed.
+  //
+  class Map
+  {
+  public:
+    // A YAML::ParserException will be thrown if 'map' isn't actually a map.
+    //
+    explicit Map(YAML::Node map);
+
+    // Get the node for a key.  Throw a YAML::Exception if 'key' is not in the map.  The node for each key in the
+    // map must be gotten at least once.  The lifetime of he char array referenced by passed key must be as long

Review comment:
       Spelling, "The lifetime of **the**"




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