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+<?php
+
+/**
+ * Biblio::Isis implementation of IsisDb.
+ */
+class BiblioIsisDb implements IsisDb {
+ /**
+ * @var $fdt
+ * Field description table.
+ */
+ var $fdt;
+
+ /**
+ * @var $db
+ * Database resource.
+ */
+ var $db;
+
+ /**
+ * @var $format
+ * Database format, derived from $schema.
+ */
+ var $format;
+
+ /**
+ * Constructor.
+ *
+ * @see IsisDb::__construct()
+ */
+ public function __construct($schema) {
+ }
+
+ /**
+ * Read an entry.
+ *
+ * @see IsisDb::read()
+ *
+ * @todo
+ * Subfields.
+ */
+ public function read($id) {
+ }
+
+ /**
+ * Return number of rows in the database.
+ *
+ * The Malete API doen't implement such feature so we
+ * have to emulate it by iterating over all entries
+ * until MaleteDb::read() returns FALSE.
+ *
+ * @see IsisDb::read()
+ */
+ public function rows() {
+ }
+
+ /**
+ * Return an example schema.
+ *
+ * @see IsisDb::example()
+ */
+ public function example() {
+ return SchemaDb::example();
+ }
+
+ /**
+ * Check configuration.
+ *
+ * @see IsisDb::check()
+ */
+ public function check($schema, $section = NULL) {
+ return SchemaDb::check($schema, $section);
+ }
+
+ /**
+ * Tag results of a db query.
+ *
+ * This function converts the keys of query result from field numbers
+ * to names and and also puts repetition fields into place as Malete
+ * deals with field repetition by using a 'tag' property in the resulting
+ * query object.
+ *
+ * @param $results
+ * Database query results.
+ *
+ * @return
+ * Tagged database result.
+ */
+ function tag($results) {
+ }
+}