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Commit Description:
utf8mb4
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node_modules/pdfmake/src/docPreprocessor.js | 255 lines | 6.5 KiB | application/javascript | JavascriptLexer |
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admin
move datatable to yarn
 r789 'use strict';
var isString = require('./helpers').isString;
var isNumber = require('./helpers').isNumber;
var isBoolean = require('./helpers').isBoolean;
var isArray = require('./helpers').isArray;
var isUndefined = require('./helpers').isUndefined;
var fontStringify = require('./helpers').fontStringify;
function DocPreprocessor() {
}
DocPreprocessor.prototype.preprocessDocument = function (docStructure) {
this.parentNode = null;
this.tocs = [];
this.nodeReferences = [];
return this.preprocessNode(docStructure);
};
DocPreprocessor.prototype.preprocessNode = function (node) {
// expand shortcuts and casting values
if (isArray(node)) {
node = { stack: node };
} else if (isString(node)) {
node = { text: node };
} else if (isNumber(node) || isBoolean(node)) {
node = { text: node.toString() };
} else if (node === undefined || node === null) {
node = { text: '' };
} else if (Object.keys(node).length === 0) { // empty object
node = { text: '' };
} else if ('text' in node && (node.text === undefined || node.text === null)) {
node.text = '';
}
if (node.columns) {
return this.preprocessColumns(node);
} else if (node.stack) {
return this.preprocessVerticalContainer(node);
} else if (node.ul) {
return this.preprocessList(node);
} else if (node.ol) {
return this.preprocessList(node);
} else if (node.table) {
return this.preprocessTable(node);
} else if (node.text !== undefined) {
return this.preprocessText(node);
} else if (node.toc) {
return this.preprocessToc(node);
} else if (node.image) {
return this.preprocessImage(node);
} else if (node.svg) {
return this.preprocessSVG(node);
} else if (node.canvas) {
return this.preprocessCanvas(node);
} else if (node.qr) {
return this.preprocessQr(node);
} else if (node.pageReference || node.textReference) {
return this.preprocessText(node);
} else {
throw 'Unrecognized document structure: ' + JSON.stringify(node, fontStringify);
}
};
DocPreprocessor.prototype.preprocessColumns = function (node) {
var columns = node.columns;
for (var i = 0, l = columns.length; i < l; i++) {
columns[i] = this.preprocessNode(columns[i]);
}
return node;
};
DocPreprocessor.prototype.preprocessVerticalContainer = function (node) {
var items = node.stack;
for (var i = 0, l = items.length; i < l; i++) {
items[i] = this.preprocessNode(items[i]);
}
return node;
};
DocPreprocessor.prototype.preprocessList = function (node) {
var items = node.ul || node.ol;
for (var i = 0, l = items.length; i < l; i++) {
items[i] = this.preprocessNode(items[i]);
}
return node;
};
DocPreprocessor.prototype.preprocessTable = function (node) {
var col, row, cols, rows;
for (col = 0, cols = node.table.body[0].length; col < cols; col++) {
for (row = 0, rows = node.table.body.length; row < rows; row++) {
var rowData = node.table.body[row];
var data = rowData[col];
if (data !== undefined) {
if (data === null) { // transform to object
data = '';
}
if (!data._span) {
rowData[col] = this.preprocessNode(data);
}
}
}
}
return node;
};
DocPreprocessor.prototype.preprocessText = function (node) {
if (node.tocItem) {
if (!isArray(node.tocItem)) {
node.tocItem = [node.tocItem];
}
for (var i = 0, l = node.tocItem.length; i < l; i++) {
if (!isString(node.tocItem[i])) {
node.tocItem[i] = '_default_';
}
var tocItemId = node.tocItem[i];
if (!this.tocs[tocItemId]) {
this.tocs[tocItemId] = { toc: { _items: [], _pseudo: true } };
}
if (!node.id) {
node.id = 'toc-' + tocItemId + '-' + this.tocs[tocItemId].toc._items.length;
}
var tocItemRef = {
_nodeRef: this._getNodeForNodeRef(node),
_textNodeRef: node
};
this.tocs[tocItemId].toc._items.push(tocItemRef);
}
}
if (node.id) {
if (this.nodeReferences[node.id]) {
if (!this.nodeReferences[node.id]._pseudo) {
throw "Node id '" + node.id + "' already exists";
}
this.nodeReferences[node.id]._nodeRef = this._getNodeForNodeRef(node);
this.nodeReferences[node.id]._textNodeRef = node;
this.nodeReferences[node.id]._pseudo = false;
} else {
this.nodeReferences[node.id] = {
_nodeRef: this._getNodeForNodeRef(node),
_textNodeRef: node
};
}
}
if (node.pageReference) {
if (!this.nodeReferences[node.pageReference]) {
this.nodeReferences[node.pageReference] = {
_nodeRef: {},
_textNodeRef: {},
_pseudo: true
};
}
node.text = '00000';
node.linkToDestination = node.pageReference;
node._pageRef = this.nodeReferences[node.pageReference];
}
if (node.textReference) {
if (!this.nodeReferences[node.textReference]) {
this.nodeReferences[node.textReference] = { _nodeRef: {}, _pseudo: true };
}
node.text = '';
node.linkToDestination = node.textReference;
node._textRef = this.nodeReferences[node.textReference];
}
if (node.text && node.text.text) {
node.text = [this.preprocessNode(node.text)];
} else if (isArray(node.text)) {
var isSetParentNode = false;
if (this.parentNode === null) {
this.parentNode = node;
isSetParentNode = true;
}
for (var i = 0, l = node.text.length; i < l; i++) {
node.text[i] = this.preprocessNode(node.text[i]);
}
if (isSetParentNode) {
this.parentNode = null;
}
}
return node;
};
DocPreprocessor.prototype.preprocessToc = function (node) {
if (!node.toc.id) {
node.toc.id = '_default_';
}
node.toc.title = node.toc.title ? this.preprocessNode(node.toc.title) : null;
node.toc._items = [];
if (this.tocs[node.toc.id]) {
if (!this.tocs[node.toc.id].toc._pseudo) {
throw "TOC '" + node.toc.id + "' already exists";
}
node.toc._items = this.tocs[node.toc.id].toc._items;
}
this.tocs[node.toc.id] = node;
return node;
};
DocPreprocessor.prototype.preprocessImage = function (node) {
if (!isUndefined(node.image.type) && !isUndefined(node.image.data) && (node.image.type === 'Buffer') && isArray(node.image.data)) {
node.image = Buffer.from(node.image.data);
}
return node;
};
DocPreprocessor.prototype.preprocessSVG = function (node) {
return node;
};
DocPreprocessor.prototype.preprocessCanvas = function (node) {
return node;
};
DocPreprocessor.prototype.preprocessQr = function (node) {
return node;
};
DocPreprocessor.prototype._getNodeForNodeRef = function (node) {
if (this.parentNode) {
return this.parentNode;
}
return node;
}
module.exports = DocPreprocessor;