API support for Get/SetParameterAttributes

lib/default-provisions.ts

@@ -29,25 +29,45 @@ export function refresh(sessionContext, provision, declarations): boolean {
     (provision.length !== 2 || typeof provision[1] !== "string") &&
     (provision.length !== 3 ||
       typeof provision[1] !== "string" ||
-      typeof provision[2] !== "number")
+      typeof provision[2] !== "number") &&
+    (provision.length < 4 ||
+      typeof provision[1] !== "string" ||
+      typeof provision[2] !== "number" ||
+      typeof provision[3] !== "boolean")
   )
     throw new Error("Invalid arguments");
 
-  const segments = Path.parse(provision[1]).segments.slice();
-  const l = segments.length;
-  segments.length = MAX_DEPTH;
-  segments.fill("*", l);
-  const path = Path.parse(segments.join("."));
   const every = 1000 * (provision[2] || 1);
   const offset = scheduling.variance(sessionContext.deviceId, every);
   const t = scheduling.interval(sessionContext.timestamp, every, offset);
 
-  for (let i = l; i < path.length; ++i) {
+  let attrGet;
+  let refreshChildren;
+  if (provision[3] == null) {
+    refreshChildren = true;
+    attrGet = { object: 1, writable: 1, value: t };
+  } else {
+    attrGet = {};
+    refreshChildren = !!provision[3];
+    for (const a of provision.slice(4)) attrGet[a] = t;
+  }
+
+  let path = Path.parse(provision[1]);
+  let l = path.length;
+  if (refreshChildren) {
+    const segments = path.segments.slice();
+    l = segments.length;
+    segments.length = MAX_DEPTH;
+    segments.fill("*", l);
+    path = Path.parse(segments.join("."));
+  }
+
+  for (let i = l; i <= path.length; ++i) {
     declarations.push({
       path: path.slice(0, i),
       pathGet: t,
       pathSet: null,
-      attrGet: { object: 1, writable: 1, value: t },
+      attrGet: attrGet,
       attrSet: null,
       defer: true
     });
@@ -57,15 +77,38 @@ export function refresh(sessionContext, provision, declarations): boolean {
 }
 
 export function value(sessionContext, provision, declarations): boolean {
-  if (provision.length !== 3 || typeof provision[1] !== "string")
+  if (
+    provision.length < 3 ||
+    provision.length > 4 ||
+    typeof provision[1] !== "string"
+  )
     throw new Error("Invalid arguments");
 
+  let attr: string, val: any;
+
+  if (provision.length === 3) {
+    attr = "value";
+    val = provision[2];
+  } else {
+    attr = provision[2] || "";
+    val = provision[3];
+  }
+
+  if (attr === "accessList") {
+    val = (val || "")
+      .split(",")
+      .map(s => s.trim())
+      .filter(s => !!s);
+  } else if (attr === "value") {
+    val = [val];
+  }
+
   declarations.push({
     path: Path.parse(provision[1]),
     pathGet: 1,
     pathSet: null,
-    attrGet: { value: 1 },
-    attrSet: { value: [provision[2]] },
+    attrGet: { [attr]: 1 },
+    attrSet: { [attr]: val },
     defer: true
   });