Use sqlite for cinema and DKDM recipient lists.

1 files changed, 111 insertions, 0 deletions

diff --git a/src/lib/sqlite_statement.cc b/src/lib/sqlite_statement.cc
new file mode 100644
index 000000000..b3ec1fb81
--- /dev/null
+++ b/src/lib/sqlite_statement.cc
@@ -0,0 +1,111 @@
+/*
+    Copyright (C) 2023 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    DCP-o-matic is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "exceptions.h"
+#include "sqlite_statement.h"
+
+
+using std::function;
+using std::string;
+
+
+SQLiteStatement::SQLiteStatement(sqlite3* db, string const& statement)
+	: _db(db)
+{
+#ifdef DCPOMATIC_HAVE_SQLITE3_PREPARE_V3
+	auto rc = sqlite3_prepare_v3(_db, statement.c_str(), -1, 0, &_stmt, nullptr);
+#else
+	auto rc = sqlite3_prepare_v2(_db, statement.c_str(), -1, &_stmt, nullptr);
+#endif
+	if (rc != SQLITE_OK) {
+		throw SQLError(_db, rc, statement);
+	}
+}
+
+
+SQLiteStatement::~SQLiteStatement()
+{
+	sqlite3_finalize(_stmt);
+}
+
+
+void
+SQLiteStatement::bind_text(int index, string const& value)
+{
+	auto rc = sqlite3_bind_text(_stmt, index, value.c_str(), -1, SQLITE_TRANSIENT);
+	if (rc != SQLITE_OK) {
+		throw SQLError(_db, rc);
+	}
+}
+
+
+void
+SQLiteStatement::bind_int64(int index, int64_t value)
+{
+	auto rc = sqlite3_bind_int64(_stmt, index, value);
+	if (rc != SQLITE_OK) {
+		throw SQLError(_db, rc);
+	}
+}
+
+
+void
+SQLiteStatement::execute(function<void(SQLiteStatement&)> row, function<void()> busy)
+{
+	while (true) {
+		auto const rc = sqlite3_step(_stmt);
+		switch (rc) {
+		case SQLITE_BUSY:
+			busy();
+			break;
+		case SQLITE_DONE:
+			return;
+		case SQLITE_ROW:
+			row(*this);
+			break;
+		case SQLITE_ERROR:
+		case SQLITE_MISUSE:
+			throw SQLError(_db, sqlite3_errmsg(_db));
+		}
+	}
+}
+
+
+int
+SQLiteStatement::data_count()
+{
+	return sqlite3_data_count(_stmt);
+}
+
+
+int64_t
+SQLiteStatement::column_int64(int index)
+{
+	return sqlite3_column_int64(_stmt, index);
+}
+
+
+string
+SQLiteStatement::column_text(int index)
+{
+	return reinterpret_cast<const char*>(sqlite3_column_text(_stmt, index));
+}
+