Initial DB API with SQLite3 backend

1 files changed, 60 insertions, 0 deletions

diff --git a/src/db.cc b/src/db.cc
new file mode 100644
index 0000000..b1efc21
--- /dev/null
+++ b/src/db.cc
@@ -0,0 +1,60 @@
+#include "common.hh"
+
+#include "db.hh"
+
+namespace stuff {
+
+DB::Value::Value(const std::string& value)
+    : type_(DB::Type::STRING), string_(value) {
+}
+
+DB::Value::Value(int32_t value)
+    : type_(DB::Type::INT32) {
+    data_.i32 = value;
+}
+
+DB::Value::Value(int64_t value)
+    : type_(DB::Type::INT64) {
+    data_.i64 = value;
+}
+
+DB::Value::Value(bool value)
+    : type_(DB::Type::BOOL) {
+    data_.b = value;
+}
+
+DB::Value::Value(double value)
+    : type_(DB::Type::DOUBLE) {
+    data_.d = value;
+}
+
+DB::Value::Value(std::nullptr_t)
+    : type_(DB::Type::RAW) {
+}
+
+const std::string& DB::Value::string() const {
+    assert(type_ == DB::Type::STRING);
+    return string_;
+}
+
+int32_t DB::Value::i32() const {
+    assert(type_ == DB::Type::INT32);
+    return data_.i32;
+}
+
+int64_t DB::Value::i64() const {
+    assert(type_ == DB::Type::INT64);
+    return data_.i64;
+}
+
+bool DB::Value::b() const {
+    assert(type_ == DB::Type::BOOL);
+    return data_.b;
+}
+
+double DB::Value::d() const {
+    assert(type_ == DB::Type::DOUBLE);
+    return data_.d;
+}
+
+}  // namespace stuff