From 7e87a6b75d0570c3ebfbf0e537fcf04e1cf84224 Mon Sep 17 00:00:00 2001
From: Rob Mensching <rob@firegiant.com>
Date: Mon, 7 Oct 2019 07:33:18 -0700
Subject: Support tagging tuples and definitions

---
 src/WixToolset.Data/IntermediateTuple.cs | 159 +++++++++++++++++++++++++++++++
 1 file changed, 159 insertions(+)

(limited to 'src/WixToolset.Data/IntermediateTuple.cs')

diff --git a/src/WixToolset.Data/IntermediateTuple.cs b/src/WixToolset.Data/IntermediateTuple.cs
index bc46e3b4..8a5858ee 100644
--- a/src/WixToolset.Data/IntermediateTuple.cs
+++ b/src/WixToolset.Data/IntermediateTuple.cs
@@ -9,6 +9,8 @@ namespace WixToolset.Data
     [DebuggerDisplay("{DebuggerDisplay,nq}")]
     public class IntermediateTuple
     {
+        private object tags;
+
         public IntermediateTuple(IntermediateTupleDefinition definition) : this(definition, null, null)
         {
         }
@@ -33,12 +35,132 @@ namespace WixToolset.Data
 
         private string DebuggerDisplay => $"{this.Definition?.Name} {this.Id?.Id}";
 
+        public bool AddTag(string add)
+        {
+            if (this.tags == null)
+            {
+                this.tags = add;
+            }
+            else if (this.tags is string tag)
+            {
+                if (tag == add)
+                {
+                    return false;
+                }
+
+                this.tags = new[] { tag, add };
+            }
+            else
+            {
+                var tagsArray = (string[])this.tags;
+                var array = new string[tagsArray.Length + 1];
+
+                for (var i = 0; i < tagsArray.Length; ++i)
+                {
+                    if (tagsArray[i] == add)
+                    {
+                        return false;
+                    }
+
+                    array[i] = tagsArray[i];
+                }
+
+                array[tagsArray.Length] = add;
+
+                this.tags = array;
+            }
+
+            return true;
+        }
+
+        public bool HasTag(string has)
+        {
+            if (this.tags == null)
+            {
+                return false;
+            }
+            else if (this.tags is string tag)
+            {
+                return tag == has;
+            }
+            else
+            {
+                foreach (var element in (string[])this.tags)
+                {
+                    if (element == has)
+                    {
+                        return true;
+                    }
+                }
+            }
+
+            return false;
+        }
+
+        public bool RemoveTag(string remove)
+        {
+            if (this.tags is string tag)
+            {
+                if (tag == remove)
+                {
+                    this.tags = null;
+                    return true;
+                }
+            }
+            else if (this.tags is string[] tagsArray)
+            {
+                if (tagsArray.Length == 2)
+                {
+                    if (tagsArray[0] == remove)
+                    {
+                        this.tags = tagsArray[1];
+                        return true;
+                    }
+                    else if (tagsArray[1] == remove)
+                    {
+                        this.tags = tagsArray[0];
+                        return true;
+                    }
+                }
+                else
+                {
+                    var array = new string[tagsArray.Length - 1];
+                    var arrayIndex = 0;
+                    var found = false;
+
+                    for (var i = 0; i < tagsArray.Length; ++i)
+                    {
+                        if (tagsArray[i] == remove)
+                        {
+                            found = true;
+                            continue;
+                        }
+                        else if (arrayIndex == array.Length)
+                        {
+                            break;
+                        }
+
+                        array[arrayIndex++] = tagsArray[i];
+                    }
+
+                    if (found)
+                    {
+                        this.tags = array;
+                        return true;
+                    }
+                }
+            }
+
+            return false;
+        }
+
         internal static IntermediateTuple Deserialize(ITupleDefinitionCreator creator, Uri baseUri, JsonObject jsonObject)
         {
             var definitionName = jsonObject.GetValueOrDefault<string>("type");
             var idJson = jsonObject.GetValueOrDefault<JsonObject>("id");
             var sourceLineNumbersJson = jsonObject.GetValueOrDefault<JsonObject>("ln");
             var fieldsJson = jsonObject.GetValueOrDefault<JsonArray>("fields");
+            var tagsJson = jsonObject.GetValueOrDefault<JsonArray>("tags");
 
             var id = (idJson == null) ? null : Identifier.Deserialize(idJson);
             var sourceLineNumbers = (sourceLineNumbersJson == null) ? null : SourceLineNumber.Deserialize(sourceLineNumbersJson);
@@ -54,6 +176,25 @@ namespace WixToolset.Data
                 }
             }
 
+            if (tagsJson == null || tagsJson.Count == 0)
+            {
+            }
+            else if (tagsJson.Count == 1)
+            {
+                tuple.tags = (string)tagsJson[0];
+            }
+            else
+            {
+                var tags = new string[tagsJson.Count];
+
+                for (var i = 0; i < tagsJson.Count; ++i)
+                {
+                    tags[i] = (string)tagsJson[i];
+                }
+
+                tuple.tags = tags;
+            }
+
             return tuple;
         }
 
@@ -86,6 +227,24 @@ namespace WixToolset.Data
 
             jsonObject.Add("fields", fieldsJson);
 
+            if (this.tags is string || this.tags is string[])
+            {
+                JsonArray tagsJson;
+
+                if (this.tags is string tag)
+                {
+                    tagsJson = new JsonArray(1) { tag };
+                }
+                else
+                {
+                    var array = (string[])this.tags;
+                    tagsJson = new JsonArray(array.Length);
+                    tagsJson.AddRange(array);
+                }
+
+                jsonObject.Add("tags", tagsJson);
+            }
+
             return jsonObject;
         }
     }
-- 
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