Refactored parsing services into separate project

2016-01-31 11:56:55 +00:00
parent 86dc03f4ff
commit 8bfbe7cc66
36 changed files with 842 additions and 147 deletions
--- a/Filtration.Parser/Services/BlockGroupHierarchyBuilder.cs
+++ b/Filtration.Parser/Services/BlockGroupHierarchyBuilder.cs
@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Filtration.ObjectModel;
+using Filtration.Parser.Interface.Services;
+
+namespace Filtration.Parser.Services
+{
+    internal class BlockGroupHierarchyBuilder : IBlockGroupHierarchyBuilder
+    {
+        private ItemFilterBlockGroup _rootBlockGroup;
+
+        public void Initialise(ItemFilterBlockGroup rootBlockGroup)
+        {
+            _rootBlockGroup = rootBlockGroup;
+        }
+
+        public void Cleanup()
+        {
+            _rootBlockGroup = null;
+        }
+
+        public ItemFilterBlockGroup IntegrateStringListIntoBlockGroupHierarchy(IEnumerable<string> groupStrings)
+        {
+            if (_rootBlockGroup == null)
+            {
+                throw new Exception("BlockGroupHierarchyBuilder must be initialised with root BlockGroup before use");
+            }
+            return IntegrateStringListIntoBlockGroupHierarchy(groupStrings, _rootBlockGroup);
+        }
+
+        public ItemFilterBlockGroup IntegrateStringListIntoBlockGroupHierarchy(IEnumerable<string> groupStrings, ItemFilterBlockGroup startItemGroup)
+        {
+            var inputGroups = groupStrings.ToList();
+            var firstGroup = inputGroups.First().Trim();
+            if (firstGroup.StartsWith("~"))
+            {
+                firstGroup = firstGroup.Substring(1);
+            }
+
+            ItemFilterBlockGroup matchingChildItemGroup = null;
+            if (startItemGroup.ChildGroups.Count(g => g.GroupName == firstGroup) > 0)
+            {
+                matchingChildItemGroup = startItemGroup.ChildGroups.First(c => c.GroupName == firstGroup);
+            }
+
+            if (matchingChildItemGroup == null)
+            {
+                var newItemGroup = CreateBlockGroup(inputGroups.First().Trim(), startItemGroup);
+                startItemGroup.ChildGroups.Add(newItemGroup);
+                inputGroups = inputGroups.Skip(1).ToList();
+                return inputGroups.Count > 0 ? IntegrateStringListIntoBlockGroupHierarchy(inputGroups, newItemGroup) : newItemGroup;
+            }
+            inputGroups = inputGroups.Skip(1).ToList();
+            return inputGroups.Count > 0 ? IntegrateStringListIntoBlockGroupHierarchy(inputGroups, matchingChildItemGroup) : matchingChildItemGroup;
+        }
+
+        private ItemFilterBlockGroup CreateBlockGroup(string groupNameString, ItemFilterBlockGroup parentGroup)
+        {
+            var advanced = false;
+
+            if (groupNameString.StartsWith("~"))
+            {
+                groupNameString = groupNameString.Substring(1);
+                advanced = true;
+            }
+
+            if (parentGroup.Advanced)
+            {
+                advanced = true;
+            }
+
+            return new ItemFilterBlockGroup(groupNameString, parentGroup, advanced);
+        }
+    }
+}