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1x | /* Copyright 2017 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.DummyStatTimer = exports.StatTimer = exports.SimpleXMLParser = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.getDefaultSetting = exports.LinkTarget = exports.getFilenameFromUrl = exports.isExternalLinkTargetSet = exports.addLinkAttributes = exports.RenderingCancelledException = exports.CustomStyle = undefined;
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _util = require('../shared/util');
var _global_scope = require('../shared/global_scope');
var _global_scope2 = _interopRequireDefault(_global_scope);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
var SVG_NS = 'http://www.w3.org/2000/svg';
var DOMCanvasFactory = function () {
function DOMCanvasFactory() {
_classCallCheck(this, DOMCanvasFactory);
}
_createClass(DOMCanvasFactory, [{
key: 'create',
value: function create(width, height) {
if (width <= 0 || height <= 0) {
throw new Error('invalid canvas size');
}
var canvas = document.createElement('canvas');
var context = canvas.getContext('2d');
canvas.width = width;
canvas.height = height;
return {
canvas: canvas,
context: context
};
}
}, {
key: 'reset',
value: function reset(canvasAndContext, width, height) {
if (!canvasAndContext.canvas) {
throw new Error('canvas is not specified');
}
if (width <= 0 || height <= 0) {
throw new Error('invalid canvas size');
}
canvasAndContext.canvas.width = width;
canvasAndContext.canvas.height = height;
}
}, {
key: 'destroy',
value: function destroy(canvasAndContext) {
if (!canvasAndContext.canvas) {
throw new Error('canvas is not specified');
}
canvasAndContext.canvas.width = 0;
canvasAndContext.canvas.height = 0;
canvasAndContext.canvas = null;
canvasAndContext.context = null;
}
}]);
return DOMCanvasFactory;
}();
var DOMCMapReaderFactory = function () {
function DOMCMapReaderFactory(_ref) {
var _ref$baseUrl = _ref.baseUrl,
baseUrl = _ref$baseUrl === undefined ? null : _ref$baseUrl,
_ref$isCompressed = _ref.isCompressed,
isCompressed = _ref$isCompressed === undefined ? false : _ref$isCompressed;
_classCallCheck(this, DOMCMapReaderFactory);
this.baseUrl = baseUrl;
this.isCompressed = isCompressed;
}
_createClass(DOMCMapReaderFactory, [{
key: 'fetch',
value: function fetch(_ref2) {
var _this = this;
var name = _ref2.name;
if (!this.baseUrl) {
return Promise.reject(new Error('CMap baseUrl must be specified, ' + 'see "PDFJS.cMapUrl" (and also "PDFJS.cMapPacked").'));
}
if (!name) {
return Promise.reject(new Error('CMap name must be specified.'));
}
return new Promise(function (resolve, reject) {
var url = _this.baseUrl + name + (_this.isCompressed ? '.bcmap' : '');
var request = new XMLHttpRequest();
request.open('GET', url, true);
if (_this.isCompressed) {
request.responseType = 'arraybuffer';
}
request.onreadystatechange = function () {
if (request.readyState !== XMLHttpRequest.DONE) {
return;
}
if (request.status === 200 || request.status === 0) {
var data = void 0;
if (_this.isCompressed && request.response) {
data = new Uint8Array(request.response);
} else if (!_this.isCompressed && request.responseText) {
data = (0, _util.stringToBytes)(request.responseText);
}
if (data) {
resolve({
cMapData: data,
compressionType: _this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE
});
return;
}
}
reject(new Error('Unable to load ' + (_this.isCompressed ? 'binary ' : '') + 'CMap at: ' + url));
};
request.send(null);
});
}
}]);
return DOMCMapReaderFactory;
}();
var DOMSVGFactory = function () {
function DOMSVGFactory() {
_classCallCheck(this, DOMSVGFactory);
}
_createClass(DOMSVGFactory, [{
key: 'create',
value: function create(width, height) {
(0, _util.assert)(width > 0 && height > 0, 'Invalid SVG dimensions');
var svg = document.createElementNS(SVG_NS, 'svg:svg');
svg.setAttribute('version', '1.1');
svg.setAttribute('width', width + 'px');
svg.setAttribute('height', height + 'px');
svg.setAttribute('preserveAspectRatio', 'none');
svg.setAttribute('viewBox', '0 0 ' + width + ' ' + height);
return svg;
}
}, {
key: 'createElement',
value: function createElement(type) {
(0, _util.assert)(typeof type === 'string', 'Invalid SVG element type');
return document.createElementNS(SVG_NS, type);
}
}]);
return DOMSVGFactory;
}();
var SimpleDOMNode = function () {
function SimpleDOMNode(nodeName, nodeValue) {
_classCallCheck(this, SimpleDOMNode);
this.nodeName = nodeName;
this.nodeValue = nodeValue;
Object.defineProperty(this, 'parentNode', {
value: null,
writable: true
});
}
_createClass(SimpleDOMNode, [{
key: 'hasChildNodes',
value: function hasChildNodes() {
return this.childNodes && this.childNodes.length > 0;
}
}, {
key: 'firstChild',
get: function get() {
return this.childNodes[0];
}
}, {
key: 'nextSibling',
get: function get() {
var index = this.parentNode.childNodes.indexOf(this);
return this.parentNode.childNodes[index + 1];
}
}, {
key: 'textContent',
get: function get() {
if (!this.childNodes) {
return this.nodeValue || '';
}
return this.childNodes.map(function (child) {
return child.textContent;
}).join('');
}
}]);
return SimpleDOMNode;
}();
var SimpleXMLParser = function () {
function SimpleXMLParser() {
_classCallCheck(this, SimpleXMLParser);
}
_createClass(SimpleXMLParser, [{
key: 'parseFromString',
value: function parseFromString(data) {
var _this2 = this;
var nodes = [];
data = data.replace(/<\?[\s\S]*?\?>|<!--[\s\S]*?-->/g, '').trim();
data = data.replace(/<!DOCTYPE[^>\[]+(\[[^\]]+)?[^>]+>/g, '').trim();
data = data.replace(/>([^<][\s\S]*?)</g, function (all, text) {
var length = nodes.length;
var node = new SimpleDOMNode('#text', _this2._decodeXML(text));
nodes.push(node);
if (node.textContent.trim().length === 0) {
return '><';
}
return '>' + length + ',<';
});
data = data.replace(/<!\[CDATA\[([\s\S]*?)\]\]>/g, function (all, text) {
var length = nodes.length;
var node = new SimpleDOMNode('#text', text);
nodes.push(node);
return length + ',';
});
var regex = /<([\w\:]+)((?:[\s\w:=]|'[^']*'|"[^"]*")*)(?:\/>|>([\d,]*)<\/[^>]+>)/g;
var lastLength = void 0;
do {
lastLength = nodes.length;
data = data.replace(regex, function (all, name, attrs, data) {
var length = nodes.length;
var node = new SimpleDOMNode(name);
var children = [];
if (data) {
data = data.split(',');
data.pop();
data.forEach(function (child) {
var childNode = nodes[+child];
childNode.parentNode = node;
children.push(childNode);
});
}
node.childNodes = children;
nodes.push(node);
return length + ',';
});
} while (lastLength < nodes.length);
return { documentElement: nodes.pop() };
}
}, {
key: '_decodeXML',
value: function _decodeXML(text) {
if (text.indexOf('&') < 0) {
return text;
}
return text.replace(/&(#(x[0-9a-f]+|\d+)|\w+);/gi, function (all, entityName, number) {
Eif (number) {
Eif (number[0] === 'x') {
number = parseInt(number.substring(1), 16);
} else {
number = +number;
}
return String.fromCharCode(number);
}
switch (entityName) {
case 'amp':
return '&';
case 'lt':
return '<';
case 'gt':
return '>';
case 'quot':
return '\"';
case 'apos':
return '\'';
}
return '&' + entityName + ';';
});
}
}]);
return SimpleXMLParser;
}();
var CustomStyle = function CustomStyleClosure() {
var prefixes = ['ms', 'Moz', 'Webkit', 'O'];
var _cache = Object.create(null);
function CustomStyle() {}
CustomStyle.getProp = function get(propName, element) {
if (arguments.length === 1 && typeof _cache[propName] === 'string') {
return _cache[propName];
}
element = element || document.documentElement;
var style = element.style,
prefixed,
uPropName;
if (typeof style[propName] === 'string') {
return _cache[propName] = propName;
}
uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);
for (var i = 0, l = prefixes.length; i < l; i++) {
prefixed = prefixes[i] + uPropName;
if (typeof style[prefixed] === 'string') {
return _cache[propName] = prefixed;
}
}
return _cache[propName] = 'undefined';
};
CustomStyle.setProp = function set(propName, element, str) {
var prop = this.getProp(propName);
if (prop !== 'undefined') {
element.style[prop] = str;
}
};
return CustomStyle;
}();
var RenderingCancelledException = function RenderingCancelledException() {
function RenderingCancelledException(msg, type) {
this.message = msg;
this.type = type;
}
RenderingCancelledException.prototype = new Error();
RenderingCancelledException.prototype.name = 'RenderingCancelledException';
RenderingCancelledException.constructor = RenderingCancelledException;
return RenderingCancelledException;
}();
var LinkTarget = {
NONE: 0,
SELF: 1,
BLANK: 2,
PARENT: 3,
TOP: 4
};
var LinkTargetStringMap = ['', '_self', '_blank', '_parent', '_top'];
function addLinkAttributes(link, params) {
var url = params && params.url;
link.href = link.title = url ? (0, _util.removeNullCharacters)(url) : '';
if (url) {
var target = params.target;
if (typeof target === 'undefined') {
target = getDefaultSetting('externalLinkTarget');
}
link.target = LinkTargetStringMap[target];
var rel = params.rel;
if (typeof rel === 'undefined') {
rel = getDefaultSetting('externalLinkRel');
}
link.rel = rel;
}
}
function getFilenameFromUrl(url) {
var anchor = url.indexOf('#');
var query = url.indexOf('?');
var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
return url.substring(url.lastIndexOf('/', end) + 1, end);
}
function getDefaultSetting(id) {
var globalSettings = _global_scope2.default.PDFJS;
switch (id) {
case 'pdfBug':
return globalSettings ? globalSettings.pdfBug : false;
case 'disableAutoFetch':
return globalSettings ? globalSettings.disableAutoFetch : false;
case 'disableStream':
return globalSettings ? globalSettings.disableStream : false;
case 'disableRange':
return globalSettings ? globalSettings.disableRange : false;
case 'disableFontFace':
return globalSettings ? globalSettings.disableFontFace : false;
case 'disableCreateObjectURL':
return globalSettings ? globalSettings.disableCreateObjectURL : false;
case 'disableWebGL':
return globalSettings ? globalSettings.disableWebGL : true;
case 'cMapUrl':
return globalSettings ? globalSettings.cMapUrl : null;
case 'cMapPacked':
return globalSettings ? globalSettings.cMapPacked : false;
case 'postMessageTransfers':
return globalSettings ? globalSettings.postMessageTransfers : true;
case 'workerPort':
return globalSettings ? globalSettings.workerPort : null;
case 'workerSrc':
return globalSettings ? globalSettings.workerSrc : null;
case 'disableWorker':
return globalSettings ? globalSettings.disableWorker : false;
case 'maxImageSize':
return globalSettings ? globalSettings.maxImageSize : -1;
case 'imageResourcesPath':
return globalSettings ? globalSettings.imageResourcesPath : '';
case 'isEvalSupported':
return globalSettings ? globalSettings.isEvalSupported : true;
case 'externalLinkTarget':
Iif (!globalSettings) {
return LinkTarget.NONE;
}
switch (globalSettings.externalLinkTarget) {
case LinkTarget.NONE:
case LinkTarget.SELF:
case LinkTarget.BLANK:
case LinkTarget.PARENT:
case LinkTarget.TOP:
return globalSettings.externalLinkTarget;
}
(0, _util.warn)('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget);
globalSettings.externalLinkTarget = LinkTarget.NONE;
return LinkTarget.NONE;
case 'externalLinkRel':
return globalSettings ? globalSettings.externalLinkRel : DEFAULT_LINK_REL;
case 'enableStats':
return !!(globalSettings && globalSettings.enableStats);
default:
throw new Error('Unknown default setting: ' + id);
}
}
function isExternalLinkTargetSet() {
var externalLinkTarget = getDefaultSetting('externalLinkTarget');
switch (externalLinkTarget) {
case LinkTarget.NONE:
return false;
case LinkTarget.SELF:
case LinkTarget.BLANK:
case LinkTarget.PARENT:
case LinkTarget.TOP:
return true;
}
}
var StatTimer = function () {
function StatTimer() {
var enable = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
_classCallCheck(this, StatTimer);
this.enabled = !!enable;
this.reset();
}
_createClass(StatTimer, [{
key: 'reset',
value: function reset() {
this.started = Object.create(null);
this.times = [];
}
}, {
key: 'time',
value: function time(name) {
if (!this.enabled) {
return;
}
if (name in this.started) {
(0, _util.warn)('Timer is already running for ' + name);
}
this.started[name] = Date.now();
}
}, {
key: 'timeEnd',
value: function timeEnd(name) {
if (!this.enabled) {
return;
}
if (!(name in this.started)) {
(0, _util.warn)('Timer has not been started for ' + name);
}
this.times.push({
'name': name,
'start': this.started[name],
'end': Date.now()
});
delete this.started[name];
}
}, {
key: 'toString',
value: function toString() {
var times = this.times;
var out = '',
longest = 0;
for (var i = 0, ii = times.length; i < ii; ++i) {
var name = times[i]['name'];
if (name.length > longest) {
longest = name.length;
}
}
for (var _i = 0, _ii = times.length; _i < _ii; ++_i) {
var span = times[_i];
var duration = span.end - span.start;
out += span['name'].padEnd(longest) + ' ' + duration + 'ms\n';
}
return out;
}
}]);
return StatTimer;
}();
var DummyStatTimer = function () {
function DummyStatTimer() {
_classCallCheck(this, DummyStatTimer);
throw new Error('Cannot initialize DummyStatTimer.');
}
_createClass(DummyStatTimer, null, [{
key: 'reset',
value: function reset() {}
}, {
key: 'time',
value: function time(name) {}
}, {
key: 'timeEnd',
value: function timeEnd(name) {}
}, {
key: 'toString',
value: function toString() {
return '';
}
}]);
return DummyStatTimer;
}();
exports.CustomStyle = CustomStyle;
exports.RenderingCancelledException = RenderingCancelledException;
exports.addLinkAttributes = addLinkAttributes;
exports.isExternalLinkTargetSet = isExternalLinkTargetSet;
exports.getFilenameFromUrl = getFilenameFromUrl;
exports.LinkTarget = LinkTarget;
exports.getDefaultSetting = getDefaultSetting;
exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
exports.DOMCanvasFactory = DOMCanvasFactory;
exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
exports.DOMSVGFactory = DOMSVGFactory;
exports.SimpleXMLParser = SimpleXMLParser;
exports.StatTimer = StatTimer;
exports.DummyStatTimer = DummyStatTimer; |