/**
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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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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.FileSpec = void 0;
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var _util = require("../shared/util.js");
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var _base_stream = require("./base_stream.js");
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var _primitives = require("./primitives.js");
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function pickPlatformItem(dict) {
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if (dict.has("UF")) {
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return dict.get("UF");
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} else if (dict.has("F")) {
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return dict.get("F");
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} else if (dict.has("Unix")) {
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return dict.get("Unix");
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} else if (dict.has("Mac")) {
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return dict.get("Mac");
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} else if (dict.has("DOS")) {
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return dict.get("DOS");
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}
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return null;
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}
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class FileSpec {
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constructor(root, xref) {
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if (!(root instanceof _primitives.Dict)) {
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return;
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}
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this.xref = xref;
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this.root = root;
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if (root.has("FS")) {
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this.fs = root.get("FS");
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}
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this.description = root.has("Desc") ? (0, _util.stringToPDFString)(root.get("Desc")) : "";
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if (root.has("RF")) {
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(0, _util.warn)("Related file specifications are not supported");
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}
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this.contentAvailable = true;
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if (!root.has("EF")) {
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this.contentAvailable = false;
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(0, _util.warn)("Non-embedded file specifications are not supported");
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}
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}
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get filename() {
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if (!this._filename && this.root) {
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const filename = pickPlatformItem(this.root) || "unnamed";
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this._filename = (0, _util.stringToPDFString)(filename).replace(/\\\\/g, "\\").replace(/\\\//g, "/").replace(/\\/g, "/");
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}
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return this._filename;
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}
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get content() {
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if (!this.contentAvailable) {
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return null;
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}
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if (!this.contentRef && this.root) {
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this.contentRef = pickPlatformItem(this.root.get("EF"));
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}
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let content = null;
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if (this.contentRef) {
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const fileObj = this.xref.fetchIfRef(this.contentRef);
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if (fileObj instanceof _base_stream.BaseStream) {
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content = fileObj.getBytes();
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} else {
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(0, _util.warn)("Embedded file specification points to non-existing/invalid content");
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}
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} else {
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(0, _util.warn)("Embedded file specification does not have a content");
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}
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return content;
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}
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get serializable() {
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return {
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filename: this.filename,
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content: this.content
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};
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}
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}
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exports.FileSpec = FileSpec;
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