51 lines
1.1 KiB
Vala
51 lines
1.1 KiB
Vala
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using Sqlite;
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namespace Qlite {
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public abstract class StatementBuilder {
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protected Database db;
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public StatementBuilder(Database db) {
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this.db = db;
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}
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public abstract Statement prepare() throws DatabaseError;
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protected class Field<T> {
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public T value;
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public Column<T>? column;
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public Field(Column<T>? column, T value) {
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this.column = column;
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this.value = value;
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}
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public virtual void bind(Statement stmt, int index) {
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if (column != null) {
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column.bind(stmt, index, value);
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}
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}
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}
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protected class NullField<T> : Field<T> {
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public NullField(Column<T>? column) {
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base(column, null);
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}
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public override void bind(Statement stmt, int index) {
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stmt.bind_null(index);
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}
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}
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protected class StringField : Field<string> {
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public StringField(string value) {
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base(null, value);
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}
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public override void bind(Statement stmt, int index) {
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stmt.bind_text(index, value);
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}
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}
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}
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}
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