added sqlite connection class (progress)

backends/sqlite/src/sqlite_connection.cpp

@@ -0,0 +1,46 @@
+#include "sqlite_connection.hpp"
+#include "sqlite_error.hpp"
+
+#include <utility>
+
+namespace matador::backends::sqlite {
+
+sqlite_connection::sqlite_connection(sql::connection_info info)
+: connection_impl(std::move(info)) {
+
+}
+
+void sqlite_connection::open()
+{
+  const auto ret = sqlite3_open(info().database.c_str(), &sqlite_db_);
+
+  if (ret != SQLITE_OK) {
+    throw_sqlite_error(ret, sqlite_db_, "open");
+  }
+}
+
+void sqlite_connection::close()
+{
+  int ret = sqlite3_close(sqlite_db_);
+
+  throw_sqlite_error(ret, sqlite_db_, "close");
+
+  sqlite_db_ = nullptr;
+}
+
+bool sqlite_connection::is_open()
+{
+  return false;
+}
+
+void sqlite_connection::execute(const std::string &stmt)
+{
+
+}
+
+void sqlite_connection::prepare(const std::string &stmt)
+{
+
+}
+
+}

backends/sqlite/src/sqlite_error.cpp

@@ -0,0 +1,28 @@
+#include "sqlite_error.hpp"
+
+#include <stdexcept>
+#include <sstream>
+
+#include <sqlite3.h>
+
+namespace matador::backends::sqlite {
+
+void throw_sqlite_error(int ec, sqlite3 *db, const std::string &source)
+{
+  if (ec != SQLITE_OK) {
+    std::stringstream msg;
+    msg << "sqlite error (" << source << "): " << sqlite3_errmsg(db);
+    throw std::logic_error(msg.str());
+  }
+}
+
+void throw_sqlite_error(int ec, sqlite3 *db, const std::string &source, const std::string &sql)
+{
+  if (ec != SQLITE_OK) {
+    std::stringstream msg;
+    msg << "sqlite error (" << source << ", sql: " << sql << "): " << sqlite3_errmsg(db);
+    throw std::logic_error(msg.str());
+  }
+}
+
+}