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-rw-r--r--qlite/src/row.vala79
1 files changed, 79 insertions, 0 deletions
diff --git a/qlite/src/row.vala b/qlite/src/row.vala
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+++ b/qlite/src/row.vala
@@ -0,0 +1,79 @@
+using Gee;
+using Sqlite;
+
+namespace Qlite {
+
+public class Row {
+ private Map<string, string> text_map = new HashMap<string, string>();
+ private Map<string, long> int_map = new HashMap<string, long>();
+ private Map<string, double?> real_map = new HashMap<string, double?>();
+
+ public Row(Statement stmt) {
+ for (int i = 0; i < stmt.column_count(); i++) {
+ switch(stmt.column_type(i)) {
+ case TEXT:
+ text_map[stmt.column_name(i)] = stmt.column_text(i);
+ break;
+ case INTEGER:
+ int_map[stmt.column_name(i)] = (long) stmt.column_int64(i);
+ break;
+ case FLOAT:
+ real_map[stmt.column_name(i)] = stmt.column_double(i);
+ break;
+ }
+ }
+ }
+
+ public T get<T>(Column<T> field) {
+ return field[this];
+ }
+
+ public string? get_text(string field) {
+ if (text_map.contains(field)) {
+ return text_map[field];
+ }
+ return null;
+ }
+
+ public long get_integer(string field) {
+ return int_map[field];
+ }
+
+ public bool has_integer(string field) {
+ return int_map.contains(field);
+ }
+
+ public double get_real(string field) {
+ return real_map[field];
+ }
+
+ public bool has_real(string field) {
+ return real_map.contains(field) && real_map[field] != null;
+ }
+
+ public class RowIterator {
+ private Statement stmt;
+
+ public RowIterator.from_query_builder(QueryBuilder query) throws DatabaseError {
+ this.stmt = query.prepare();
+ }
+
+ public RowIterator(Database db, string sql, string[]? args = null) {
+ this.stmt = db.prepare(sql);
+ if (args != null) {
+ for (int i = 0; i < args.length; i++) {
+ stmt.bind_text(i, sql, sql.length);
+ }
+ }
+ }
+
+ public Row? next_value() {
+ if (stmt.step() == Sqlite.ROW) {
+ return new Row(stmt);
+ }
+ return null;
+ }
+ }
+}
+
+} \ No newline at end of file