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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
const {
DevToolsServer,
} = require("resource://devtools/server/devtools-server.js");
const {
longStringSpec,
SimpleStringFront,
} = require("resource://devtools/shared/specs/string.js");
const {
FrontClassWithSpec,
registerFront,
} = require("resource://devtools/shared/protocol.js");
class LongStringFront extends FrontClassWithSpec(longStringSpec) {
destroy() {
this.initial = null;
this.length = null;
this.strPromise = null;
super.destroy();
}
form(data) {
this.actorID = data.actor;
this.initial = data.initial;
this.length = data.length;
this._grip = data;
}
// We expose the grip so consumers (e.g. ObjectInspector) that handle webconsole
// evaluations (which can return primitive, object fronts or longString front),
// can directly call this without further check.
getGrip() {
return this._grip;
}
string() {
if (!this.strPromise) {
const promiseRest = thusFar => {
if (thusFar.length === this.length) {
return Promise.resolve(thusFar);
}
return this.substring(
thusFar.length,
thusFar.length + DevToolsServer.LONG_STRING_READ_LENGTH
).then(next => promiseRest(thusFar + next));
};
this.strPromise = promiseRest(this.initial);
}
return this.strPromise;
}
}
exports.LongStringFront = LongStringFront;
registerFront(LongStringFront);
exports.SimpleStringFront = SimpleStringFront;
registerFront(SimpleStringFront);