/**
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* @licstart The following is the entire license notice for the
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* JavaScript code in this page
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*
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* Copyright 2022 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @licend The above is the entire license notice for the
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* JavaScript code in this page
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*/
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"use strict";
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var _primitives = require("../../core/primitives.js");
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var _writer = require("../../core/writer.js");
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var _util = require("../../shared/util.js");
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var _stream = require("../../core/stream.js");
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describe("Writer", function () {
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describe("Incremental update", function () {
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it("should update a file with new objects", function () {
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const originalData = new Uint8Array();
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const newRefs = [{
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ref: _primitives.Ref.get(123, 0x2d),
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data: "abc\n"
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}, {
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ref: _primitives.Ref.get(456, 0x4e),
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data: "defg\n"
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}];
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const xrefInfo = {
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newRef: _primitives.Ref.get(789, 0),
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startXRef: 314,
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fileIds: ["id", ""],
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rootRef: null,
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infoRef: null,
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encryptRef: null,
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filename: "foo.pdf",
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info: {}
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};
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let data = (0, _writer.incrementalUpdate)({
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originalData,
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xrefInfo,
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newRefs
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});
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data = (0, _util.bytesToString)(data);
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const expected = "\nabc\n" + "defg\n" + "789 0 obj\n" + "<< /Size 790 /Prev 314 /Type /XRef /Index [0 1 123 1 456 1 789 1] " + "/ID [(id) (\x01#Eg\x89\xab\xcd\xef\xfe\xdc\xba\x98vT2\x10)] " + "/W [1 1 2] /Length 16>> stream\n" + "\x00\x01\xff\xff" + "\x01\x01\x00\x2d" + "\x01\x05\x00\x4e" + "\x01\x0a\x00\x00\n" + "endstream\n" + "endobj\n" + "startxref\n" + "10\n" + "%%EOF\n";
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expect(data).toEqual(expected);
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});
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it("should update a file, missing the /ID-entry, with new objects", function () {
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const originalData = new Uint8Array();
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const newRefs = [{
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ref: _primitives.Ref.get(123, 0x2d),
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data: "abc\n"
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}];
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const xrefInfo = {
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newRef: _primitives.Ref.get(789, 0),
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startXRef: 314,
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fileIds: null,
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rootRef: null,
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infoRef: null,
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encryptRef: null,
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filename: "foo.pdf",
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info: {}
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};
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let data = (0, _writer.incrementalUpdate)({
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originalData,
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xrefInfo,
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newRefs
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});
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data = (0, _util.bytesToString)(data);
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const expected = "\nabc\n" + "789 0 obj\n" + "<< /Size 790 /Prev 314 /Type /XRef /Index [0 1 123 1 789 1] " + "/W [1 1 2] /Length 12>> stream\n" + "\x00\x01\xff\xff" + "\x01\x01\x00\x2d" + "\x01\x05\x00\x00\n" + "endstream\n" + "endobj\n" + "startxref\n" + "5\n" + "%%EOF\n";
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expect(data).toEqual(expected);
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});
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});
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describe("writeDict", function () {
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it("should write a Dict", function () {
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const dict = new _primitives.Dict(null);
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dict.set("A", _primitives.Name.get("B"));
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dict.set("B", _primitives.Ref.get(123, 456));
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dict.set("C", 789);
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dict.set("D", "hello world");
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dict.set("E", "(hello\\world)");
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dict.set("F", [1.23001, 4.50001, 6]);
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const gdict = new _primitives.Dict(null);
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gdict.set("H", 123.00001);
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const string = "a stream";
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const stream = new _stream.StringStream(string);
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stream.dict = new _primitives.Dict(null);
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stream.dict.set("Length", string.length);
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gdict.set("I", stream);
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dict.set("G", gdict);
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dict.set("J", true);
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dict.set("K", false);
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dict.set("NullArr", [null, 10]);
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dict.set("NullVal", null);
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const buffer = [];
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(0, _writer.writeDict)(dict, buffer, null);
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const expected = "<< /A /B /B 123 456 R /C 789 /D (hello world) " + "/E (\\(hello\\\\world\\)) /F [1.23 4.5 6] " + "/G << /H 123 /I << /Length 8>> stream\n" + "a stream\n" + "endstream\n>> /J true /K false " + "/NullArr [null 10] /NullVal null>>";
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expect(buffer.join("")).toEqual(expected);
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});
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it("should write a Dict in escaping PDF names", function () {
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const dict = new _primitives.Dict(null);
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dict.set("\xfeA#", _primitives.Name.get("hello"));
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dict.set("B", _primitives.Name.get("#hello"));
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dict.set("C", _primitives.Name.get("he\xfello\xff"));
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const buffer = [];
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(0, _writer.writeDict)(dict, buffer, null);
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const expected = "<< /#feA#23 /hello /B /#23hello /C /he#fello#ff>>";
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expect(buffer.join("")).toEqual(expected);
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});
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});
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describe("XFA", function () {
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it("should update AcroForm when no datasets in XFA array", function () {
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const originalData = new Uint8Array();
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const newRefs = [];
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const acroForm = new _primitives.Dict(null);
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acroForm.set("XFA", ["preamble", _primitives.Ref.get(123, 0), "postamble", _primitives.Ref.get(456, 0)]);
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const acroFormRef = _primitives.Ref.get(789, 0);
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const xfaDatasetsRef = _primitives.Ref.get(101112, 0);
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const xfaData = "<hello>world</hello>";
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const xrefInfo = {
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newRef: _primitives.Ref.get(131415, 0),
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startXRef: 314,
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fileIds: null,
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rootRef: null,
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infoRef: null,
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encryptRef: null,
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filename: "foo.pdf",
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info: {}
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};
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let data = (0, _writer.incrementalUpdate)({
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originalData,
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xrefInfo,
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newRefs,
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hasXfa: true,
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xfaDatasetsRef,
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hasXfaDatasetsEntry: false,
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acroFormRef,
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acroForm,
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xfaData,
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xref: {}
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});
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data = (0, _util.bytesToString)(data);
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const expected = "\n" + "789 0 obj\n" + "<< /XFA [(preamble) 123 0 R (datasets) 101112 0 R (postamble) 456 0 R]>>\n" + "101112 0 obj\n" + "<< /Type /EmbeddedFile /Length 20>>\n" + "stream\n" + "<hello>world</hello>\n" + "endstream\n" + "endobj\n" + "131415 0 obj\n" + "<< /Size 131416 /Prev 314 /Type /XRef /Index [0 1 789 1 101112 1 131415 1] /W [1 1 2] /Length 16>> stream\n" + "\u0000\u0001ÿÿ\u0001\u0001\u0000\u0000\u0001T\u0000\u0000\u0001²\u0000\u0000\n" + "endstream\n" + "endobj\n" + "startxref\n" + "178\n" + "%%EOF\n";
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expect(data).toEqual(expected);
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});
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});
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});
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