another ugly basic implementation

table.cpp

@@ -7,22 +7,40 @@ Table::Table(const std::string name, const std::vector<ColDefNode> columns) {
     m_rows.clear();
 }
 
-ColDefNode Table::get_column_def(const std::string col_name) {
+ColDefNode Table::get_column_def(const std::string& col_name) {
     auto name_cmp = [col_name](ColDefNode cd){ return cd.name == col_name; };
     auto col_def = std::find_if(begin(m_col_defs), end(m_col_defs), name_cmp );
     if (col_def != std::end(m_col_defs)) {
         return *col_def;
     } else {
-        // TODO throw exception
+        throw Exception("column not exists (" + col_name + ")");
     }
 }
 
+
+Row Table::createEmptyRow() {
+    return Row(columns_count());
+}
+
+
 void Table::print() {
     std::cout << "** " << m_name << " **" << std::endl;
     for(auto row : m_rows) {
-        for( auto col : row) {
-            std::cout << col <<  ",";
+        for(int ci = 0; ci < columns_count(); ci++) {
+            auto v = row[ci].stringValue();
+            std::cout << v <<  ",";
         }
         std::cout << std::endl;
     }
-}
+}
+
+Table::Table(const Table& other) {
+   m_name = other.m_name;
+   m_col_defs = other.m_col_defs;
+   m_rows.clear();  // row not copied now
+}
+
+void Table::addRow(const Row &row) {
+    m_rows.push_back(row);
+}
+