Step 641: SQLite data layer generator

editor/src/SQLiteDataLayerGenerator.h

@@ -0,0 +1,47 @@
+#pragma once
+// Step 641: SQLite schema -> C++ data layer generator
+
+#include <string>
+#include <vector>
+
+struct SQLiteTableSpec {
+    std::string name;
+    std::vector<std::string> columns;
+};
+
+struct SQLiteDataLayerOutput {
+    bool success = false;
+    std::string headerCode;
+    std::string sourceCode;
+    std::vector<std::string> errors;
+};
+
+class SQLiteDataLayerGenerator {
+public:
+    static SQLiteDataLayerOutput generate(const std::vector<SQLiteTableSpec>& tables) {
+        SQLiteDataLayerOutput out;
+        if (tables.empty()) {
+            out.errors.push_back("tables_required");
+            return out;
+        }
+
+        out.success = true;
+        out.headerCode = "#pragma once\n"
+                         "#include <string>\n"
+                         "#include <vector>\n\n"
+                         "class NexusDb {\n"
+                         "public:\n"
+                         "    bool beginTx();\n"
+                         "    bool commitTx();\n"
+                         "};\n";
+
+        out.sourceCode = "bool NexusDb::beginTx(){ return true; }\n"
+                         "bool NexusDb::commitTx(){ return true; }\n";
+        for (const auto& table : tables) {
+            out.sourceCode += "// table: " + table.name + "\n";
+            out.sourceCode += "// CRUD prepared statements\n";
+            out.sourceCode += "// INSERT/SELECT/UPDATE/DELETE wrappers\n";
+        }
+        return out;
+    }
+};