71 lines
3.2 KiB
JavaScript
71 lines
3.2 KiB
JavaScript
import { __awaiter, __generator } from "tslib";
|
|
import { PDFName, PDFArray, PDFDict, PDFHexString } from "../core";
|
|
/**
|
|
* Represents JavaScript that has been embedded in a [[PDFDocument]].
|
|
*/
|
|
var PDFJavaScript = /** @class */ (function () {
|
|
function PDFJavaScript(ref, doc, embedder) {
|
|
this.alreadyEmbedded = false;
|
|
this.ref = ref;
|
|
this.doc = doc;
|
|
this.embedder = embedder;
|
|
}
|
|
/**
|
|
* > **NOTE:** You probably don't need to call this method directly. The
|
|
* > [[PDFDocument.save]] and [[PDFDocument.saveAsBase64]] methods will
|
|
* > automatically ensure all JavaScripts get embedded.
|
|
*
|
|
* Embed this JavaScript in its document.
|
|
*
|
|
* @returns Resolves when the embedding is complete.
|
|
*/
|
|
PDFJavaScript.prototype.embed = function () {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var _a, catalog, context, ref, Names, Javascript, JSNames;
|
|
return __generator(this, function (_b) {
|
|
switch (_b.label) {
|
|
case 0:
|
|
if (!!this.alreadyEmbedded) return [3 /*break*/, 2];
|
|
_a = this.doc, catalog = _a.catalog, context = _a.context;
|
|
return [4 /*yield*/, this.embedder.embedIntoContext(this.doc.context, this.ref)];
|
|
case 1:
|
|
ref = _b.sent();
|
|
if (!catalog.has(PDFName.of('Names'))) {
|
|
catalog.set(PDFName.of('Names'), context.obj({}));
|
|
}
|
|
Names = catalog.lookup(PDFName.of('Names'), PDFDict);
|
|
if (!Names.has(PDFName.of('JavaScript'))) {
|
|
Names.set(PDFName.of('JavaScript'), context.obj({}));
|
|
}
|
|
Javascript = Names.lookup(PDFName.of('JavaScript'), PDFDict);
|
|
if (!Javascript.has(PDFName.of('Names'))) {
|
|
Javascript.set(PDFName.of('Names'), context.obj([]));
|
|
}
|
|
JSNames = Javascript.lookup(PDFName.of('Names'), PDFArray);
|
|
JSNames.push(PDFHexString.fromText(this.embedder.scriptName));
|
|
JSNames.push(ref);
|
|
this.alreadyEmbedded = true;
|
|
_b.label = 2;
|
|
case 2: return [2 /*return*/];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
/**
|
|
* > **NOTE:** You probably don't want to call this method directly. Instead,
|
|
* > consider using the [[PDFDocument.addJavaScript]] method, which will
|
|
* create instances of [[PDFJavaScript]] for you.
|
|
*
|
|
* Create an instance of [[PDFJavaScript]] from an existing ref and script
|
|
*
|
|
* @param ref The unique reference for this script.
|
|
* @param doc The document to which the script will belong.
|
|
* @param embedder The embedder that will be used to embed the script.
|
|
*/
|
|
PDFJavaScript.of = function (ref, doc, embedder) {
|
|
return new PDFJavaScript(ref, doc, embedder);
|
|
};
|
|
return PDFJavaScript;
|
|
}());
|
|
export default PDFJavaScript;
|
|
//# sourceMappingURL=PDFJavaScript.js.map
|