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Properly cancel streams and guard at getTextContent.

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This commit is contained in:
Yury Delendik 2017-08-03 16:36:46 -05:00
parent 0c95bc7d83
commit a1dfbec532
3 changed files with 28 additions and 7 deletions
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20
src/shared/util.js
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@ -500,6 +500,21 @@ let FormatError = (function FormatErrorClosure() {
return FormatError;
})();
/**
* Error used to indicate task cancellation.
*/
let AbortException = (function AbortExceptionClosure() {
function AbortException(msg) {
this.name = 'AbortException';
this.message = msg;
}
AbortException.prototype = new Error();
AbortException.constructor = AbortException;
return AbortException;
})();
var NullCharactersRegExp = /\x00/g;
function removeNullCharacters(str) {
@ -1227,6 +1242,8 @@ function wrapReason(reason) {
return reason;
}
switch (reason.name) {
case 'AbortException':
return new AbortException(reason.message);
case 'MissingPDFException':
return new MissingPDFException(reason.message);
case 'UnexpectedResponseException':
@ -1273,7 +1290,7 @@ function MessageHandler(sourceName, targetName, comObj) {
let callback = callbacksCapabilities[callbackId];
delete callbacksCapabilities[callbackId];
if ('error' in data) {
callback.reject(data.error);
callback.reject(wrapReason(data.error));
} else {
callback.resolve(data.data);
}
@ -1651,6 +1668,7 @@ export {
FontType,
ImageKind,
CMapCompressionType,
AbortException,
InvalidPDFException,
MessageHandler,
MissingDataException,