FM / structures

/var/www/greso.tech/server/nsm/node_modules/pdf-lib/cjs/core/structures/

/var/www/greso.tech/server/nsm/node_modules/pdf-lib/cjs/core/structures

Name	Size	Mode	Actions
PDFCatalog.d.ts	1309	0644	edit dl rm
PDFCatalog.d.ts.map	783	0644	edit dl rm
PDFCatalog.js	3461	0644	edit dl rm
PDFCatalog.js.map	2411	0644	edit dl rm
PDFContentStream.d.ts	682	0644	edit dl rm
PDFContentStream.d.ts.map	561	0644	edit dl rm
PDFContentStream.js	2529	0644	edit dl rm
PDFContentStream.js.map	2096	0644	edit dl rm
PDFCrossRefStream.d.ts	1906	0644	edit dl rm
PDFCrossRefStream.d.ts.map	1515	0644	edit dl rm
PDFCrossRefStream.js	9326	0644	edit dl rm
PDFCrossRefStream.js.map	8108	0644	edit dl rm
PDFFlateStream.d.ts	538	0644	edit dl rm
PDFFlateStream.d.ts.map	513	0644	edit dl rm
PDFFlateStream.js	1586	0644	edit dl rm
PDFFlateStream.js.map	1029	0644	edit dl rm
PDFObjectStream.d.ts	871	0644	edit dl rm
PDFObjectStream.d.ts.map	700	0644	edit dl rm
PDFObjectStream.js	3679	0644	edit dl rm
PDFObjectStream.js.map	3149	0644	edit dl rm
PDFPageLeaf.d.ts	2404	0644	edit dl rm
PDFPageLeaf.d.ts.map	1869	0644	edit dl rm
PDFPageLeaf.js	9199	0644	edit dl rm
PDFPageLeaf.js.map	7608	0644	edit dl rm
PDFPageTree.d.ts	1960	0644	edit dl rm
PDFPageTree.d.ts.map	991	0644	edit dl rm
PDFPageTree.js	7433	0644	edit dl rm
PDFPageTree.js.map	5382	0644	edit dl rm

Edit: /var/www/greso.tech/server/nsm/node_modules/pdf-lib/cjs/core/structures/PDFCrossRefStream.js (9326B)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EntryType = void 0;
var tslib_1 = require("tslib");
var PDFName_1 = tslib_1.__importDefault(require("../objects/PDFName"));
var PDFRef_1 = tslib_1.__importDefault(require("../objects/PDFRef"));
var PDFFlateStream_1 = tslib_1.__importDefault(require("./PDFFlateStream"));
var utils_1 = require("../../utils");
var EntryType;
(function (EntryType) {
    EntryType[EntryType["Deleted"] = 0] = "Deleted";
    EntryType[EntryType["Uncompressed"] = 1] = "Uncompressed";
    EntryType[EntryType["Compressed"] = 2] = "Compressed";
})(EntryType = exports.EntryType || (exports.EntryType = {}));
/**
 * Entries should be added using the [[addDeletedEntry]],
 * [[addUncompressedEntry]], and [[addCompressedEntry]] methods
 * **in order of ascending object number**.
 */
var PDFCrossRefStream = /** @class */ (function (_super) {
    tslib_1.__extends(PDFCrossRefStream, _super);
    function PDFCrossRefStream(dict, entries, encode) {
        if (encode === void 0) { encode = true; }
        var _this = _super.call(this, dict, encode) || this;
        // Returns an array of integer pairs for each subsection of the cross ref
        // section, where each integer pair represents:
        //   firstObjectNumber(OfSection), length(OfSection)
        _this.computeIndex = function () {
            var subsections = [];
            var subsectionLength = 0;
            for (var idx = 0, len = _this.entries.length; idx < len; idx++) {
                var currEntry = _this.entries[idx];
                var prevEntry = _this.entries[idx - 1];
                if (idx === 0) {
                    subsections.push(currEntry.ref.objectNumber);
                }
                else if (currEntry.ref.objectNumber - prevEntry.ref.objectNumber > 1) {
                    subsections.push(subsectionLength);
                    subsections.push(currEntry.ref.objectNumber);
                    subsectionLength = 0;
                }
                subsectionLength += 1;
            }
            subsections.push(subsectionLength);
            return subsections;
        };
        _this.computeEntryTuples = function () {
            var entryTuples = new Array(_this.entries.length);
            for (var idx = 0, len = _this.entries.length; idx < len; idx++) {
                var entry = _this.entries[idx];
                if (entry.type === EntryType.Deleted) {
                    var type = entry.type, nextFreeObjectNumber = entry.nextFreeObjectNumber, ref = entry.ref;
                    entryTuples[idx] = [type, nextFreeObjectNumber, ref.generationNumber];
                }
                if (entry.type === EntryType.Uncompressed) {
                    var type = entry.type, offset = entry.offset, ref = entry.ref;
                    entryTuples[idx] = [type, offset, ref.generationNumber];
                }
                if (entry.type === EntryType.Compressed) {
                    var type = entry.type, objectStreamRef = entry.objectStreamRef, index = entry.index;
                    entryTuples[idx] = [type, objectStreamRef.objectNumber, index];
                }
            }
            return entryTuples;
        };
        _this.computeMaxEntryByteWidths = function () {
            var entryTuples = _this.entryTuplesCache.access();
            var widths = [0, 0, 0];
            for (var idx = 0, len = entryTuples.length; idx < len; idx++) {
                var _a = entryTuples[idx], first = _a[0], second = _a[1], third = _a[2];
                var firstSize = utils_1.sizeInBytes(first);
                var secondSize = utils_1.sizeInBytes(second);
                var thirdSize = utils_1.sizeInBytes(third);
                if (firstSize > widths[0])
                    widths[0] = firstSize;
                if (secondSize > widths[1])
                    widths[1] = secondSize;
                if (thirdSize > widths[2])
                    widths[2] = thirdSize;
            }
            return widths;
        };
        _this.entries = entries || [];
        _this.entryTuplesCache = utils_1.Cache.populatedBy(_this.computeEntryTuples);
        _this.maxByteWidthsCache = utils_1.Cache.populatedBy(_this.computeMaxEntryByteWidths);
        _this.indexCache = utils_1.Cache.populatedBy(_this.computeIndex);
        dict.set(PDFName_1.default.of('Type'), PDFName_1.default.of('XRef'));
        return _this;
    }
    PDFCrossRefStream.prototype.addDeletedEntry = function (ref, nextFreeObjectNumber) {
        var type = EntryType.Deleted;
        this.entries.push({ type: type, ref: ref, nextFreeObjectNumber: nextFreeObjectNumber });
        this.entryTuplesCache.invalidate();
        this.maxByteWidthsCache.invalidate();
        this.indexCache.invalidate();
        this.contentsCache.invalidate();
    };
    PDFCrossRefStream.prototype.addUncompressedEntry = function (ref, offset) {
        var type = EntryType.Uncompressed;
        this.entries.push({ type: type, ref: ref, offset: offset });
        this.entryTuplesCache.invalidate();
        this.maxByteWidthsCache.invalidate();
        this.indexCache.invalidate();
        this.contentsCache.invalidate();
    };
    PDFCrossRefStream.prototype.addCompressedEntry = function (ref, objectStreamRef, index) {
        var type = EntryType.Compressed;
        this.entries.push({ type: type, ref: ref, objectStreamRef: objectStreamRef, index: index });
        this.entryTuplesCache.invalidate();
        this.maxByteWidthsCache.invalidate();
        this.indexCache.invalidate();
        this.contentsCache.invalidate();
    };
    PDFCrossRefStream.prototype.clone = function (context) {
        var _a = this, dict = _a.dict, entries = _a.entries, encode = _a.encode;
        return PDFCrossRefStream.of(dict.clone(context), entries.slice(), encode);
    };
    PDFCrossRefStream.prototype.getContentsString = function () {
        var entryTuples = this.entryTuplesCache.access();
        var byteWidths = this.maxByteWidthsCache.access();
        var value = '';
        for (var entryIdx = 0, entriesLen = entryTuples.length; entryIdx < entriesLen; entryIdx++) {
            var _a = entryTuples[entryIdx], first = _a[0], second = _a[1], third = _a[2];
            var firstBytes = utils_1.reverseArray(utils_1.bytesFor(first));
            var secondBytes = utils_1.reverseArray(utils_1.bytesFor(second));
            var thirdBytes = utils_1.reverseArray(utils_1.bytesFor(third));
            for (var idx = byteWidths[0] - 1; idx >= 0; idx--) {
                value += (firstBytes[idx] || 0).toString(2);
            }
            for (var idx = byteWidths[1] - 1; idx >= 0; idx--) {
                value += (secondBytes[idx] || 0).toString(2);
            }
            for (var idx = byteWidths[2] - 1; idx >= 0; idx--) {
                value += (thirdBytes[idx] || 0).toString(2);
            }
        }
        return value;
    };
    PDFCrossRefStream.prototype.getUnencodedContents = function () {
        var entryTuples = this.entryTuplesCache.access();
        var byteWidths = this.maxByteWidthsCache.access();
        var buffer = new Uint8Array(this.getUnencodedContentsSize());
        var offset = 0;
        for (var entryIdx = 0, entriesLen = entryTuples.length; entryIdx < entriesLen; entryIdx++) {
            var _a = entryTuples[entryIdx], first = _a[0], second = _a[1], third = _a[2];
            var firstBytes = utils_1.reverseArray(utils_1.bytesFor(first));
            var secondBytes = utils_1.reverseArray(utils_1.bytesFor(second));
            var thirdBytes = utils_1.reverseArray(utils_1.bytesFor(third));
            for (var idx = byteWidths[0] - 1; idx >= 0; idx--) {
                buffer[offset++] = firstBytes[idx] || 0;
            }
            for (var idx = byteWidths[1] - 1; idx >= 0; idx--) {
                buffer[offset++] = secondBytes[idx] || 0;
            }
            for (var idx = byteWidths[2] - 1; idx >= 0; idx--) {
                buffer[offset++] = thirdBytes[idx] || 0;
            }
        }
        return buffer;
    };
    PDFCrossRefStream.prototype.getUnencodedContentsSize = function () {
        var byteWidths = this.maxByteWidthsCache.access();
        var entryWidth = utils_1.sum(byteWidths);
        return entryWidth * this.entries.length;
    };
    PDFCrossRefStream.prototype.updateDict = function () {
        _super.prototype.updateDict.call(this);
        var byteWidths = this.maxByteWidthsCache.access();
        var index = this.indexCache.access();
        var context = this.dict.context;
        this.dict.set(PDFName_1.default.of('W'), context.obj(byteWidths));
        this.dict.set(PDFName_1.default.of('Index'), context.obj(index));
    };
    PDFCrossRefStream.create = function (dict, encode) {
        if (encode === void 0) { encode = true; }
        var stream = new PDFCrossRefStream(dict, [], encode);
        stream.addDeletedEntry(PDFRef_1.default.of(0, 65535), 0);
        return stream;
    };
    PDFCrossRefStream.of = function (dict, entries, encode) {
        if (encode === void 0) { encode = true; }
        return new PDFCrossRefStream(dict, entries, encode);
    };
    return PDFCrossRefStream;
}(PDFFlateStream_1.default));
exports.default = PDFCrossRefStream;
//# sourceMappingURL=PDFCrossRefStream.js.map

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