Add liststorage

Makefile

@@ -152,7 +152,8 @@ ${JIOVERSION}: ${EXTERNALDIR}/URI.js \
 	${SRCDIR}/jio.storage/websqlstorage.js \
 	${SRCDIR}/jio.storage/fbstorage.js \
 	${SRCDIR}/jio.storage/cloudooostorage.js \
-	${SRCDIR}/jio.storage/nocapacitystorage.js
+	${SRCDIR}/jio.storage/nocapacitystorage.js \
+	${SRCDIR}/jio.storage/liststorage.js
 	@mkdir -p $(@D)
 	cat $^ > $@
 

src/jio.storage/liststorage.js

+/*
+ * Copyright 2019, Nexedi SA
+ *
+ * This program is free software: you can Use, Study, Modify and Redistribute
+ * it under the terms of the GNU General Public License version 3, or (at your
+ * option) any later version, as published by the Free Software Foundation.
+ *
+ * You can also Link and Combine this program with other software covered by
+ * the terms of any of the Free Software licenses or any of the Open Source
+ * Initiative approved licenses and Convey the resulting work. Corresponding
+ * source of such a combination shall include the source code for all other
+ * software used.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * See COPYING file for full licensing terms.
+ * See https://www.nexedi.com/licensing for rationale and options.
+ */
+/*jslint nomen: true*/
+/*global Set*/
+(function (jIO) {
+  "use strict";
+
+  function ListStorage(spec) {
+    this._sub_storage = jIO.createJIO(spec.sub_storage);
+    this._sub_storage_index = new Set();
+  }
+
+  ListStorage.prototype.get = function () {
+    return this._sub_storage.get.apply(this._sub_storage, arguments);
+  };
+  ListStorage.prototype.allAttachments = function () {
+    return this._sub_storage.allAttachments.apply(this._sub_storage, arguments);
+  };
+  ListStorage.prototype.post = function (value) {
+    var gadget = this;
+    return gadget._sub_storage.post(value)
+      .push(function (id) {
+        gadget._sub_storage_index.add(id);
+        return id;
+      });
+  };
+  ListStorage.prototype.put = function (id, value) {
+    var gadget = this;
+    return gadget._sub_storage.put(id, value)
+      .push(function (result) {
+        gadget._sub_storage_index.add(id);
+        return result;
+      });
+  };
+  ListStorage.prototype.remove = function (id) {
+    var gadget = this;
+    return gadget._sub_storage.remove(id)
+      .push(function (result) {
+        gadget._sub_storage_index.delete(id);
+        return result;
+      });
+  };
+  ListStorage.prototype.getAttachment = function () {
+    return this._sub_storage.getAttachment.apply(this._sub_storage, arguments);
+  };
+  ListStorage.prototype.putAttachment = function () {
+    return this._sub_storage.putAttachment.apply(this._sub_storage, arguments);
+  };
+  ListStorage.prototype.removeAttachment = function () {
+    return this._sub_storage.removeAttachment.apply(this._sub_storage,
+      arguments);
+  };
+  ListStorage.prototype.repair = function () {
+    return this._sub_storage.repair.apply(this._sub_storage, arguments);
+  };
+  ListStorage.prototype.hasCapacity = function (name) {
+    if (name === "list") {
+      return true;
+    }
+  };
+  ListStorage.prototype.buildQuery = function () {
+    var rows = [], i, ids = Array.from(this._sub_storage_index);
+    for (i = 0; i < ids.length; i += 1) {
+      rows.push({id: ids[i], value: {}});
+    }
+    return rows;
+  };
+
+  jIO.addStorage('list', ListStorage);
+
+}(jIO));
\ No newline at end of file