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@ -12,22 +12,23 @@ |
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* See the License for the specific language governing permissions and |
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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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* limitations under the License. |
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*/ |
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*/ |
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/* globals MozBlobBuilder, URL */ |
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/* globals MozBlobBuilder, URL, global */ |
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'use strict'; |
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'use strict'; |
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(function (root, factory) { |
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(function (root, factory) { |
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if (typeof define === 'function' && define.amd) { |
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if (typeof define === 'function' && define.amd) { |
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define('pdfjs/shared/util', ['exports', 'pdfjs/shared/global'], factory); |
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define('pdfjs/shared/util', ['exports'], factory); |
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} else if (typeof exports !== 'undefined') { |
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} else if (typeof exports !== 'undefined') { |
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factory(exports, require('./global.js')); |
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factory(exports); |
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} else { |
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} else { |
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factory((root.pdfjsSharedUtil = {}), root.pdfjsSharedGlobal); |
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factory((root.pdfjsSharedUtil = {})); |
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} |
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} |
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}(this, function (exports, sharedGlobal) { |
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}(this, function (exports) { |
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var PDFJS = sharedGlobal.PDFJS; |
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var globalScope = (typeof window !== 'undefined') ? window : |
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var globalScope = sharedGlobal.globalScope; |
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(typeof global !== 'undefined') ? global : |
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(typeof self !== 'undefined') ? self : this; |
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var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; |
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var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; |
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@ -127,14 +128,14 @@ var FontType = { |
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MMTYPE1: 10 |
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MMTYPE1: 10 |
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}; |
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}; |
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PDFJS.VERBOSITY_LEVELS = { |
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var VERBOSITY_LEVELS = { |
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errors: 0, |
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errors: 0, |
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warnings: 1, |
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warnings: 1, |
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infos: 5 |
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infos: 5 |
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}; |
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}; |
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// All the possible operations for an operator list.
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// All the possible operations for an operator list.
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var OPS = PDFJS.OPS = { |
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var OPS = { |
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// Intentionally start from 1 so it is easy to spot bad operators that will be
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// Intentionally start from 1 so it is easy to spot bad operators that will be
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// 0's.
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// 0's.
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dependency: 1, |
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dependency: 1, |
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@ -230,18 +231,28 @@ var OPS = PDFJS.OPS = { |
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constructPath: 91 |
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constructPath: 91 |
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}; |
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}; |
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var verbosity = VERBOSITY_LEVELS.warnings; |
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function setVerbosityLevel(level) { |
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verbosity = level; |
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} |
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function getVerbosityLevel() { |
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return verbosity; |
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} |
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// A notice for devs. These are good for things that are helpful to devs, such
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// A notice for devs. These are good for things that are helpful to devs, such
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// as warning that Workers were disabled, which is important to devs but not
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// as warning that Workers were disabled, which is important to devs but not
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// end users.
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// end users.
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function info(msg) { |
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function info(msg) { |
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if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.infos) { |
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if (verbosity >= VERBOSITY_LEVELS.infos) { |
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console.log('Info: ' + msg); |
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console.log('Info: ' + msg); |
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} |
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} |
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} |
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} |
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// Non-fatal warnings.
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// Non-fatal warnings.
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function warn(msg) { |
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function warn(msg) { |
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if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.warnings) { |
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if (verbosity >= VERBOSITY_LEVELS.warnings) { |
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console.log('Warning: ' + msg); |
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console.log('Warning: ' + msg); |
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} |
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} |
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} |
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} |
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@ -254,7 +265,7 @@ function deprecated(details) { |
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// Fatal errors that should trigger the fallback UI and halt execution by
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// Fatal errors that should trigger the fallback UI and halt execution by
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// throwing an exception.
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// throwing an exception.
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function error(msg) { |
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function error(msg) { |
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if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.errors) { |
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if (verbosity >= VERBOSITY_LEVELS.errors) { |
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console.log('Error: ' + msg); |
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console.log('Error: ' + msg); |
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console.log(backtrace()); |
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console.log(backtrace()); |
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} |
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} |
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@ -275,7 +286,7 @@ function assert(cond, msg) { |
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} |
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} |
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} |
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} |
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var UNSUPPORTED_FEATURES = PDFJS.UNSUPPORTED_FEATURES = { |
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var UNSUPPORTED_FEATURES = { |
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unknown: 'unknown', |
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unknown: 'unknown', |
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forms: 'forms', |
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forms: 'forms', |
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javaScript: 'javaScript', |
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javaScript: 'javaScript', |
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@ -284,17 +295,6 @@ var UNSUPPORTED_FEATURES = PDFJS.UNSUPPORTED_FEATURES = { |
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font: 'font' |
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font: 'font' |
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}; |
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}; |
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// Gets the file name from a given URL.
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function getFilenameFromUrl(url) { |
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var anchor = url.indexOf('#'); |
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var query = url.indexOf('?'); |
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var end = Math.min( |
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anchor > 0 ? anchor : url.length, |
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query > 0 ? query : url.length); |
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return url.substring(url.lastIndexOf('/', end) + 1, end); |
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} |
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PDFJS.getFilenameFromUrl = getFilenameFromUrl; |
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// Combines two URLs. The baseUrl shall be absolute URL. If the url is an
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// Combines two URLs. The baseUrl shall be absolute URL. If the url is an
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// absolute URL, it will be returned as is.
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// absolute URL, it will be returned as is.
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function combineUrl(baseUrl, url) { |
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function combineUrl(baseUrl, url) { |
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@ -342,27 +342,6 @@ function isValidUrl(url, allowRelative) { |
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return false; |
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return false; |
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} |
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} |
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} |
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} |
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PDFJS.isValidUrl = isValidUrl; |
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/** |
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* Adds various attributes (href, title, target, rel) to hyperlinks. |
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* @param {HTMLLinkElement} link - The link element. |
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* @param {Object} params - An object with the properties: |
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* @param {string} params.url - An absolute URL. |
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*/ |
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function addLinkAttributes(link, params) { |
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var url = params && params.url; |
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link.href = link.title = (url ? removeNullCharacters(url) : ''); |
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if (url) { |
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if (isExternalLinkTargetSet()) { |
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link.target = LinkTargetStringMap[PDFJS.externalLinkTarget]; |
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} |
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// Strip referrer from the URL.
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link.rel = PDFJS.externalLinkRel; |
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} |
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} |
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PDFJS.addLinkAttributes = addLinkAttributes; |
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function shadow(obj, prop, value) { |
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function shadow(obj, prop, value) { |
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Object.defineProperty(obj, prop, { value: value, |
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Object.defineProperty(obj, prop, { value: value, |
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@ -371,7 +350,6 @@ function shadow(obj, prop, value) { |
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writable: false }); |
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writable: false }); |
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return value; |
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return value; |
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} |
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} |
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PDFJS.shadow = shadow; |
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function getLookupTableFactory(initializer) { |
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function getLookupTableFactory(initializer) { |
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var lookup; |
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var lookup; |
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@ -385,50 +363,7 @@ function getLookupTableFactory(initializer) { |
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}; |
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}; |
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} |
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} |
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var LinkTarget = PDFJS.LinkTarget = { |
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var PasswordResponses = { |
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NONE: 0, // Default value.
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SELF: 1, |
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BLANK: 2, |
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PARENT: 3, |
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TOP: 4, |
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}; |
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var LinkTargetStringMap = [ |
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'', |
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'_self', |
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'_blank', |
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'_parent', |
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'_top' |
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]; |
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function isExternalLinkTargetSet() { |
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//#if !MOZCENTRAL
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if (PDFJS.openExternalLinksInNewWindow) { |
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deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + |
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'"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.'); |
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if (PDFJS.externalLinkTarget === LinkTarget.NONE) { |
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PDFJS.externalLinkTarget = LinkTarget.BLANK; |
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} |
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// Reset the deprecated parameter, to suppress further warnings.
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PDFJS.openExternalLinksInNewWindow = false; |
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} |
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//#endif
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switch (PDFJS.externalLinkTarget) { |
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case LinkTarget.NONE: |
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return false; |
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case LinkTarget.SELF: |
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case LinkTarget.BLANK: |
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case LinkTarget.PARENT: |
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case LinkTarget.TOP: |
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return true; |
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} |
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warn('PDFJS.externalLinkTarget is invalid: ' + PDFJS.externalLinkTarget); |
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// Reset the external link target, to suppress further warnings.
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PDFJS.externalLinkTarget = LinkTarget.NONE; |
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return false; |
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} |
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PDFJS.isExternalLinkTargetSet = isExternalLinkTargetSet; |
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var PasswordResponses = PDFJS.PasswordResponses = { |
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NEED_PASSWORD: 1, |
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NEED_PASSWORD: 1, |
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INCORRECT_PASSWORD: 2 |
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INCORRECT_PASSWORD: 2 |
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}; |
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}; |
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@ -445,7 +380,6 @@ var PasswordException = (function PasswordExceptionClosure() { |
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return PasswordException; |
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return PasswordException; |
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})(); |
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})(); |
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PDFJS.PasswordException = PasswordException; |
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var UnknownErrorException = (function UnknownErrorExceptionClosure() { |
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var UnknownErrorException = (function UnknownErrorExceptionClosure() { |
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function UnknownErrorException(msg, details) { |
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function UnknownErrorException(msg, details) { |
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@ -459,7 +393,6 @@ var UnknownErrorException = (function UnknownErrorExceptionClosure() { |
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return UnknownErrorException; |
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return UnknownErrorException; |
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})(); |
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})(); |
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PDFJS.UnknownErrorException = UnknownErrorException; |
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var InvalidPDFException = (function InvalidPDFExceptionClosure() { |
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var InvalidPDFException = (function InvalidPDFExceptionClosure() { |
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function InvalidPDFException(msg) { |
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function InvalidPDFException(msg) { |
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@ -472,7 +405,6 @@ var InvalidPDFException = (function InvalidPDFExceptionClosure() { |
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return InvalidPDFException; |
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return InvalidPDFException; |
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})(); |
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})(); |
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PDFJS.InvalidPDFException = InvalidPDFException; |
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var MissingPDFException = (function MissingPDFExceptionClosure() { |
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var MissingPDFException = (function MissingPDFExceptionClosure() { |
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function MissingPDFException(msg) { |
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function MissingPDFException(msg) { |
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@ -485,7 +417,6 @@ var MissingPDFException = (function MissingPDFExceptionClosure() { |
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return MissingPDFException; |
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return MissingPDFException; |
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})(); |
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})(); |
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PDFJS.MissingPDFException = MissingPDFException; |
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var UnexpectedResponseException = |
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var UnexpectedResponseException = |
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(function UnexpectedResponseExceptionClosure() { |
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(function UnexpectedResponseExceptionClosure() { |
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@ -500,7 +431,6 @@ var UnexpectedResponseException = |
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return UnexpectedResponseException; |
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return UnexpectedResponseException; |
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})(); |
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})(); |
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PDFJS.UnexpectedResponseException = UnexpectedResponseException; |
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var NotImplementedException = (function NotImplementedExceptionClosure() { |
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var NotImplementedException = (function NotImplementedExceptionClosure() { |
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function NotImplementedException(msg) { |
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function NotImplementedException(msg) { |
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@ -549,7 +479,6 @@ function removeNullCharacters(str) { |
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} |
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} |
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return str.replace(NullCharactersRegExp, ''); |
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return str.replace(NullCharactersRegExp, ''); |
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} |
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} |
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PDFJS.removeNullCharacters = removeNullCharacters; |
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function bytesToString(bytes) { |
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function bytesToString(bytes) { |
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assert(bytes !== null && typeof bytes === 'object' && |
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assert(bytes !== null && typeof bytes === 'object' && |
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@ -663,30 +592,7 @@ function isLittleEndian() { |
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return (buffer16[0] === 1); |
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return (buffer16[0] === 1); |
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} |
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} |
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Object.defineProperty(PDFJS, 'isLittleEndian', { |
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configurable: true, |
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get: function PDFJS_isLittleEndian() { |
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|
return shadow(PDFJS, 'isLittleEndian', isLittleEndian()); |
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} |
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}); |
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//#if !(FIREFOX || MOZCENTRAL || CHROME)
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//#if !(FIREFOX || MOZCENTRAL || CHROME)
|
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//// Lazy test if the userAgent support CanvasTypedArrays
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function hasCanvasTypedArrays() { |
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var canvas = document.createElement('canvas'); |
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canvas.width = canvas.height = 1; |
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var ctx = canvas.getContext('2d'); |
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var imageData = ctx.createImageData(1, 1); |
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return (typeof imageData.data.buffer !== 'undefined'); |
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} |
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Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', { |
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|
configurable: true, |
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|
get: function PDFJS_hasCanvasTypedArrays() { |
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|
return shadow(PDFJS, 'hasCanvasTypedArrays', hasCanvasTypedArrays()); |
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} |
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}); |
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var Uint32ArrayView = (function Uint32ArrayViewClosure() { |
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var Uint32ArrayView = (function Uint32ArrayViewClosure() { |
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|
function Uint32ArrayView(buffer, length) { |
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|
function Uint32ArrayView(buffer, length) { |
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@ -728,13 +634,11 @@ var Uint32ArrayView = (function Uint32ArrayViewClosure() { |
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|
})(); |
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|
})(); |
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|
exports.Uint32ArrayView = Uint32ArrayView; |
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|
exports.Uint32ArrayView = Uint32ArrayView; |
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|
|
//#else
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|
|
//PDFJS.hasCanvasTypedArrays = true;
|
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|
|
//#endif
|
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|
|
//#endif
|
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|
|
var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; |
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|
var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; |
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|
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|
|
var Util = PDFJS.Util = (function UtilClosure() { |
|
|
|
var Util = (function UtilClosure() { |
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|
|
function Util() {} |
|
|
|
function Util() {} |
|
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|
|
|
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|
|
var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')']; |
|
|
|
var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')']; |
|
|
|
@ -987,7 +891,7 @@ var Util = PDFJS.Util = (function UtilClosure() { |
|
|
|
* @class |
|
|
|
* @class |
|
|
|
* @alias PDFJS.PageViewport |
|
|
|
* @alias PDFJS.PageViewport |
|
|
|
*/ |
|
|
|
*/ |
|
|
|
var PageViewport = PDFJS.PageViewport = (function PageViewportClosure() { |
|
|
|
var PageViewport = (function PageViewportClosure() { |
|
|
|
/** |
|
|
|
/** |
|
|
|
* @constructor |
|
|
|
* @constructor |
|
|
|
* @private |
|
|
|
* @private |
|
|
|
@ -1211,8 +1115,6 @@ function createPromiseCapability() { |
|
|
|
return capability; |
|
|
|
return capability; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
PDFJS.createPromiseCapability = createPromiseCapability; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
/** |
|
|
|
* Polyfill for Promises: |
|
|
|
* Polyfill for Promises: |
|
|
|
* The following promise implementation tries to generally implement the |
|
|
|
* The following promise implementation tries to generally implement the |
|
|
|
@ -1593,7 +1495,7 @@ var StatTimer = (function StatTimerClosure() { |
|
|
|
return StatTimer; |
|
|
|
return StatTimer; |
|
|
|
})(); |
|
|
|
})(); |
|
|
|
|
|
|
|
|
|
|
|
PDFJS.createBlob = function createBlob(data, contentType) { |
|
|
|
var createBlob = function createBlob(data, contentType) { |
|
|
|
if (typeof Blob !== 'undefined') { |
|
|
|
if (typeof Blob !== 'undefined') { |
|
|
|
return new Blob([data], { type: contentType }); |
|
|
|
return new Blob([data], { type: contentType }); |
|
|
|
} |
|
|
|
} |
|
|
|
@ -1603,15 +1505,15 @@ PDFJS.createBlob = function createBlob(data, contentType) { |
|
|
|
return bb.getBlob(contentType); |
|
|
|
return bb.getBlob(contentType); |
|
|
|
}; |
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
PDFJS.createObjectURL = (function createObjectURLClosure() { |
|
|
|
var createObjectURL = (function createObjectURLClosure() { |
|
|
|
// Blob/createObjectURL is not available, falling back to data schema.
|
|
|
|
// Blob/createObjectURL is not available, falling back to data schema.
|
|
|
|
var digits = |
|
|
|
var digits = |
|
|
|
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; |
|
|
|
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; |
|
|
|
|
|
|
|
|
|
|
|
return function createObjectURL(data, contentType) { |
|
|
|
return function createObjectURL(data, contentType, forceDataSchema) { |
|
|
|
if (!PDFJS.disableCreateObjectURL && |
|
|
|
if (!forceDataSchema && |
|
|
|
typeof URL !== 'undefined' && URL.createObjectURL) { |
|
|
|
typeof URL !== 'undefined' && URL.createObjectURL) { |
|
|
|
var blob = PDFJS.createBlob(data, contentType); |
|
|
|
var blob = createBlob(data, contentType); |
|
|
|
return URL.createObjectURL(blob); |
|
|
|
return URL.createObjectURL(blob); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
@ -2399,6 +2301,7 @@ function loadJpegStream(id, imageUrl, objs) { |
|
|
|
exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; |
|
|
|
exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; |
|
|
|
exports.IDENTITY_MATRIX = IDENTITY_MATRIX; |
|
|
|
exports.IDENTITY_MATRIX = IDENTITY_MATRIX; |
|
|
|
exports.OPS = OPS; |
|
|
|
exports.OPS = OPS; |
|
|
|
|
|
|
|
exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS; |
|
|
|
exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; |
|
|
|
exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; |
|
|
|
exports.AnnotationBorderStyleType = AnnotationBorderStyleType; |
|
|
|
exports.AnnotationBorderStyleType = AnnotationBorderStyleType; |
|
|
|
exports.AnnotationFlag = AnnotationFlag; |
|
|
|
exports.AnnotationFlag = AnnotationFlag; |
|
|
|
@ -2406,12 +2309,11 @@ exports.AnnotationType = AnnotationType; |
|
|
|
exports.FontType = FontType; |
|
|
|
exports.FontType = FontType; |
|
|
|
exports.ImageKind = ImageKind; |
|
|
|
exports.ImageKind = ImageKind; |
|
|
|
exports.InvalidPDFException = InvalidPDFException; |
|
|
|
exports.InvalidPDFException = InvalidPDFException; |
|
|
|
exports.LinkTarget = LinkTarget; |
|
|
|
|
|
|
|
exports.LinkTargetStringMap = LinkTargetStringMap; |
|
|
|
|
|
|
|
exports.MessageHandler = MessageHandler; |
|
|
|
exports.MessageHandler = MessageHandler; |
|
|
|
exports.MissingDataException = MissingDataException; |
|
|
|
exports.MissingDataException = MissingDataException; |
|
|
|
exports.MissingPDFException = MissingPDFException; |
|
|
|
exports.MissingPDFException = MissingPDFException; |
|
|
|
exports.NotImplementedException = NotImplementedException; |
|
|
|
exports.NotImplementedException = NotImplementedException; |
|
|
|
|
|
|
|
exports.PageViewport = PageViewport; |
|
|
|
exports.PasswordException = PasswordException; |
|
|
|
exports.PasswordException = PasswordException; |
|
|
|
exports.PasswordResponses = PasswordResponses; |
|
|
|
exports.PasswordResponses = PasswordResponses; |
|
|
|
exports.StatTimer = StatTimer; |
|
|
|
exports.StatTimer = StatTimer; |
|
|
|
@ -2426,29 +2328,32 @@ exports.arraysToBytes = arraysToBytes; |
|
|
|
exports.assert = assert; |
|
|
|
exports.assert = assert; |
|
|
|
exports.bytesToString = bytesToString; |
|
|
|
exports.bytesToString = bytesToString; |
|
|
|
exports.combineUrl = combineUrl; |
|
|
|
exports.combineUrl = combineUrl; |
|
|
|
|
|
|
|
exports.createBlob = createBlob; |
|
|
|
exports.createPromiseCapability = createPromiseCapability; |
|
|
|
exports.createPromiseCapability = createPromiseCapability; |
|
|
|
|
|
|
|
exports.createObjectURL = createObjectURL; |
|
|
|
exports.deprecated = deprecated; |
|
|
|
exports.deprecated = deprecated; |
|
|
|
exports.error = error; |
|
|
|
exports.error = error; |
|
|
|
exports.getFilenameFromUrl = getFilenameFromUrl; |
|
|
|
|
|
|
|
exports.getLookupTableFactory = getLookupTableFactory; |
|
|
|
exports.getLookupTableFactory = getLookupTableFactory; |
|
|
|
|
|
|
|
exports.getVerbosityLevel = getVerbosityLevel; |
|
|
|
|
|
|
|
exports.globalScope = globalScope; |
|
|
|
exports.info = info; |
|
|
|
exports.info = info; |
|
|
|
exports.isArray = isArray; |
|
|
|
exports.isArray = isArray; |
|
|
|
exports.isArrayBuffer = isArrayBuffer; |
|
|
|
exports.isArrayBuffer = isArrayBuffer; |
|
|
|
exports.isBool = isBool; |
|
|
|
exports.isBool = isBool; |
|
|
|
exports.isEmptyObj = isEmptyObj; |
|
|
|
exports.isEmptyObj = isEmptyObj; |
|
|
|
exports.isExternalLinkTargetSet = isExternalLinkTargetSet; |
|
|
|
|
|
|
|
exports.isInt = isInt; |
|
|
|
exports.isInt = isInt; |
|
|
|
exports.isNum = isNum; |
|
|
|
exports.isNum = isNum; |
|
|
|
exports.isString = isString; |
|
|
|
exports.isString = isString; |
|
|
|
exports.isSameOrigin = isSameOrigin; |
|
|
|
exports.isSameOrigin = isSameOrigin; |
|
|
|
exports.isValidUrl = isValidUrl; |
|
|
|
exports.isValidUrl = isValidUrl; |
|
|
|
exports.addLinkAttributes = addLinkAttributes; |
|
|
|
exports.isLittleEndian = isLittleEndian; |
|
|
|
exports.loadJpegStream = loadJpegStream; |
|
|
|
exports.loadJpegStream = loadJpegStream; |
|
|
|
exports.log2 = log2; |
|
|
|
exports.log2 = log2; |
|
|
|
exports.readInt8 = readInt8; |
|
|
|
exports.readInt8 = readInt8; |
|
|
|
exports.readUint16 = readUint16; |
|
|
|
exports.readUint16 = readUint16; |
|
|
|
exports.readUint32 = readUint32; |
|
|
|
exports.readUint32 = readUint32; |
|
|
|
exports.removeNullCharacters = removeNullCharacters; |
|
|
|
exports.removeNullCharacters = removeNullCharacters; |
|
|
|
|
|
|
|
exports.setVerbosityLevel = setVerbosityLevel; |
|
|
|
exports.shadow = shadow; |
|
|
|
exports.shadow = shadow; |
|
|
|
exports.string32 = string32; |
|
|
|
exports.string32 = string32; |
|
|
|
exports.stringToBytes = stringToBytes; |
|
|
|
exports.stringToBytes = stringToBytes; |
|
|
|
|
Yury Delendik
9 years ago