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/PDFPageTree.js (7433B)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var PDFArray_1 = tslib_1.__importDefault(require("../objects/PDFArray"));
var PDFDict_1 = tslib_1.__importDefault(require("../objects/PDFDict"));
var PDFName_1 = tslib_1.__importDefault(require("../objects/PDFName"));
var PDFNumber_1 = tslib_1.__importDefault(require("../objects/PDFNumber"));
var PDFPageLeaf_1 = tslib_1.__importDefault(require("./PDFPageLeaf"));
var errors_1 = require("../errors");
var PDFPageTree = /** @class */ (function (_super) {
    tslib_1.__extends(PDFPageTree, _super);
    function PDFPageTree() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    PDFPageTree.prototype.Parent = function () {
        return this.lookup(PDFName_1.default.of('Parent'));
    };
    PDFPageTree.prototype.Kids = function () {
        return this.lookup(PDFName_1.default.of('Kids'), PDFArray_1.default);
    };
    PDFPageTree.prototype.Count = function () {
        return this.lookup(PDFName_1.default.of('Count'), PDFNumber_1.default);
    };
    PDFPageTree.prototype.pushTreeNode = function (treeRef) {
        var Kids = this.Kids();
        Kids.push(treeRef);
    };
    PDFPageTree.prototype.pushLeafNode = function (leafRef) {
        var Kids = this.Kids();
        this.insertLeafKid(Kids.size(), leafRef);
    };
    /**
     * Inserts the given ref as a leaf node of this page tree at the specified
     * index (zero-based). Also increments the `Count` of each page tree in the
     * hierarchy to accomodate the new page.
     *
     * Returns the ref of the PDFPageTree node into which `leafRef` was inserted,
     * or `undefined` if it was inserted into the root node (the PDFPageTree upon
     * which the method was first called).
     */
    PDFPageTree.prototype.insertLeafNode = function (leafRef, targetIndex) {
        var Kids = this.Kids();
        var Count = this.Count().asNumber();
        if (targetIndex > Count) {
            throw new errors_1.InvalidTargetIndexError(targetIndex, Count);
        }
        var leafsRemainingUntilTarget = targetIndex;
        for (var idx = 0, len = Kids.size(); idx < len; idx++) {
            if (leafsRemainingUntilTarget === 0) {
                // Insert page and return
                this.insertLeafKid(idx, leafRef);
                return undefined;
            }
            var kidRef = Kids.get(idx);
            var kid = this.context.lookup(kidRef);
            if (kid instanceof PDFPageTree) {
                if (kid.Count().asNumber() > leafsRemainingUntilTarget) {
                    // Dig in
                    return (kid.insertLeafNode(leafRef, leafsRemainingUntilTarget) || kidRef);
                }
                else {
                    // Move on
                    leafsRemainingUntilTarget -= kid.Count().asNumber();
                }
            }
            if (kid instanceof PDFPageLeaf_1.default) {
                // Move on
                leafsRemainingUntilTarget -= 1;
            }
        }
        if (leafsRemainingUntilTarget === 0) {
            // Insert page at the end and return
            this.insertLeafKid(Kids.size(), leafRef);
            return undefined;
        }
        // Should never get here if `targetIndex` is valid
        throw new errors_1.CorruptPageTreeError(targetIndex, 'insertLeafNode');
    };
    /**
     * Removes the leaf node at the specified index (zero-based) from this page
     * tree. Also decrements the `Count` of each page tree in the hierarchy to
     * account for the removed page.
     *
     * If `prune` is true, then intermediate tree nodes will be removed from the
     * tree if they contain 0 children after the leaf node is removed.
     */
    PDFPageTree.prototype.removeLeafNode = function (targetIndex, prune) {
        if (prune === void 0) { prune = true; }
        var Kids = this.Kids();
        var Count = this.Count().asNumber();
        if (targetIndex >= Count) {
            throw new errors_1.InvalidTargetIndexError(targetIndex, Count);
        }
        var leafsRemainingUntilTarget = targetIndex;
        for (var idx = 0, len = Kids.size(); idx < len; idx++) {
            var kidRef = Kids.get(idx);
            var kid = this.context.lookup(kidRef);
            if (kid instanceof PDFPageTree) {
                if (kid.Count().asNumber() > leafsRemainingUntilTarget) {
                    // Dig in
                    kid.removeLeafNode(leafsRemainingUntilTarget, prune);
                    if (prune && kid.Kids().size() === 0)
                        Kids.remove(idx);
                    return;
                }
                else {
                    // Move on
                    leafsRemainingUntilTarget -= kid.Count().asNumber();
                }
            }
            if (kid instanceof PDFPageLeaf_1.default) {
                if (leafsRemainingUntilTarget === 0) {
                    // Remove page and return
                    this.removeKid(idx);
                    return;
                }
                else {
                    // Move on
                    leafsRemainingUntilTarget -= 1;
                }
            }
        }
        // Should never get here if `targetIndex` is valid
        throw new errors_1.CorruptPageTreeError(targetIndex, 'removeLeafNode');
    };
    PDFPageTree.prototype.ascend = function (visitor) {
        visitor(this);
        var Parent = this.Parent();
        if (Parent)
            Parent.ascend(visitor);
    };
    /** Performs a Post-Order traversal of this page tree */
    PDFPageTree.prototype.traverse = function (visitor) {
        var Kids = this.Kids();
        for (var idx = 0, len = Kids.size(); idx < len; idx++) {
            var kidRef = Kids.get(idx);
            var kid = this.context.lookup(kidRef);
            if (kid instanceof PDFPageTree)
                kid.traverse(visitor);
            visitor(kid, kidRef);
        }
    };
    PDFPageTree.prototype.insertLeafKid = function (kidIdx, leafRef) {
        var Kids = this.Kids();
        this.ascend(function (node) {
            var newCount = node.Count().asNumber() + 1;
            node.set(PDFName_1.default.of('Count'), PDFNumber_1.default.of(newCount));
        });
        Kids.insert(kidIdx, leafRef);
    };
    PDFPageTree.prototype.removeKid = function (kidIdx) {
        var Kids = this.Kids();
        var kid = Kids.lookup(kidIdx);
        if (kid instanceof PDFPageLeaf_1.default) {
            this.ascend(function (node) {
                var newCount = node.Count().asNumber() - 1;
                node.set(PDFName_1.default.of('Count'), PDFNumber_1.default.of(newCount));
            });
        }
        Kids.remove(kidIdx);
    };
    PDFPageTree.withContext = function (context, parent) {
        var dict = new Map();
        dict.set(PDFName_1.default.of('Type'), PDFName_1.default.of('Pages'));
        dict.set(PDFName_1.default.of('Kids'), context.obj([]));
        dict.set(PDFName_1.default.of('Count'), context.obj(0));
        if (parent)
            dict.set(PDFName_1.default.of('Parent'), parent);
        return new PDFPageTree(dict, context);
    };
    PDFPageTree.fromMapWithContext = function (map, context) {
        return new PDFPageTree(map, context);
    };
    return PDFPageTree;
}(PDFDict_1.default));
exports.default = PDFPageTree;
//# sourceMappingURL=PDFPageTree.js.map

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