chore: initial git load of code space

src/Strata.SqlTools.SqlBreakdown/Classes/SelectSource.cs

@@ -0,0 +1,72 @@
+using System.Diagnostics;
+using Strata.SqlTools.SqlBreakdown.Interfaces.Core;
+
+namespace Strata.SqlTools.SqlBreakdown.Classes;
+
+#pragma warning disable S1694 // An abstract class should have both abstract and concrete methods
+public abstract class SelectSource : IVisitable
+{
+    public abstract T Accept<T>(IVisitor<T> visitor);
+}
+
+[DebuggerDisplay("{TableName}")]
+public class TableSource : SelectSource
+{
+    public string TableName { get; }
+
+    public string? Schema { get; }
+
+    public string? Alias { get; }
+
+    public TableSource(string tableName) : this(tableName, null)
+    {
+
+    }
+
+#pragma warning disable S3427 // Method overloads with default parameter values should not overlap
+    public TableSource(string tableName, string? schema = null, string? alias = null)
+    {
+        TableName = string.IsNullOrWhiteSpace(tableName) ? throw new ArgumentNullException(nameof(tableName)) : tableName;
+        Schema = string.IsNullOrWhiteSpace(schema) ? null : schema;
+        Alias = string.IsNullOrWhiteSpace(alias) ? null : alias;
+    }
+#pragma warning restore S3427
+
+    public override T Accept<T>(IVisitor<T> visitor)
+    {
+        return visitor.VisitTableSource(this);
+    }
+}
+
+public class RegisteredTableSource : TableSource
+{
+    public int TableId { get; }
+
+    public RegisteredTableSource(int tableId, string tableSchema, string tableName)
+        : this(tableId, tableSchema, tableName, null)
+    {
+
+    }
+
+    public RegisteredTableSource(int tableId, string tableSchema, string tableName, string? alias) : base(tableName, tableSchema, alias)
+    {
+        if (tableId <= 0)
+        {
+            throw new ArgumentException("tableId must be greater than 0", nameof(tableId));
+        }
+
+        if (string.IsNullOrWhiteSpace(tableSchema))
+        {
+            throw new ArgumentException("tableName cannot be null or whitespace", nameof(tableSchema));
+        }
+
+        if (string.IsNullOrWhiteSpace(tableName))
+        {
+            throw new ArgumentException("tableName cannot be null or whitespace", nameof(tableName));
+        }
+
+        TableId = tableId;
+    }
+}
+#pragma warning restore S1694
+