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Date: Mon, 22 Aug 2016 22:19:20 +0000 (UTC)
From: "Chris Brody (JIRA)" <jira@apache.org>
To: issues@cordova.apache.org
Message-ID: <JIRA.12850465.1438300783000.376850.1471904360849@Atlassian.JIRA>
In-Reply-To: <JIRA.12850465.1438300783000@Atlassian.JIRA>
References: <JIRA.12850465.1438300783000@Atlassian.JIRA> <JIRA.12850465.1438300783404@arcas>
Subject: [jira] [Commented] (CB-9435) cordova-ios cannot handle Unicode
 U+2028 (line separator) or U+2029 (paragraph separator)
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archived-at: Mon, 22 Aug 2016 22:19:23 -0000


    [ https://issues.apache.org/jira/browse/CB-9435?page=3Dcom.atlassian.ji=
ra.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D1543170=
5#comment-15431705 ]=20

Chris Brody commented on CB-9435:
---------------------------------

I filed a similar issue: CB-11737

I will understand if the Cordova project does not want to fix this but hope=
 they will be documented.

> cordova-ios cannot handle Unicode U+2028 (line separator) or U+2029 (para=
graph separator)
> -------------------------------------------------------------------------=
----------------
>
>                 Key: CB-9435
>                 URL: https://issues.apache.org/jira/browse/CB-9435
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: iOS
>            Reporter: Chris Brody
>            Assignee: Jesse MacFadyen
>              Labels: cordova-ios-4.0.x
>
> In https://github.com/litehelpers/Cordova-sqlite-storage/issues/147 someo=
ne reported that my sqlite plugin could not handle \u2028 characters on iOS=
, and further testing on my part isolated this to the result callback messa=
ge. I made a version of cordova-ext-echo at https://github.com/brodybits/co=
rdova-ext-echo-and-length that can be used to demonstrate this issue cordov=
a-ios.
> If I install the plugin from https://github.com/brodybits/cordova-ext-ech=
o-and-length and run the following code on the iOS version:
> {code}
>         var Echo =3D cordova.require('org.apache.cordova.plugins.echo.Ech=
o');
>         Echo.echo('first\u2027second', function(v) {
>           console.log('cb 1: ' + v);
>         });
>         Echo.echo('third\u2028fourth', function(v) {
>           console.log('cb 2: ' + v);
>         });
>         Echo.echo('fifth\u2029six', function(v) {
>           console.log('cb 3: ' + v);
>         });
>         Echo.len('first\u2027second', function(v) {
>           console.log('len cb 1: ' + v);
>         });
>         Echo.len('third\u2028fourth', function(v) {
>           console.log('len cb 2: ' + v);
>         });
>         Echo.len('fifth\u2029six', function(v) {
>           console.log('len cb 3: ' + v);
>         });
> {code}
> I get the following result:
> {code}
> 2015-07-31 01:21:11.968 cijt[25760:18e03] cb 1: first=E2=80=A7second
> 2015-07-31 01:21:11.971 cijt[25760:18e03] len cb 1: 12
> 2015-07-31 01:21:11.973 cijt[25760:18e03] len cb 2: 12
> 2015-07-31 01:21:11.973 cijt[25760:18e03] len cb 3: 9
> {code}
> We can see that we can send a string with U+2028 and U+2029 from Javascri=
pt to Objective-C with no problems: if Objective-C calculates and returns t=
he length it works but if Objective-C tries to send the same string back to=
 Javascript it fails.
> I discovered the following article that seems to describe the cause: http=
://timelessrepo.com/json-isnt-a-javascript-subset (Cordova does seem to han=
dle the \u000A and \u000D characters OK.)
> When I ran the same test program on Android (with the same plugin install=
ed), I get all of the callbacks ok (trace filtered by hand):
> {code}
> I/chromium(14744): [INFO:CONSOLE(173)] "cb 1: first=E2=80=A7second", sour=
ce: file:///android_asset/www/plugins/cordova-plugin-console/www/console-vi=
a-logger.js (173)
> I/chromium(14744): [INFO:CONSOLE(173)] "cb 2: third=E2=80=A8fourth", sour=
ce: file:///android_asset/www/plugins/cordova-plugin-console/www/console-vi=
a-logger.js (173)
> I/chromium(14744): [INFO:CONSOLE(173)] "cb 3: fifth=E2=80=A9six", source:=
 file:///android_asset/www/plugins/cordova-plugin-console/www/console-via-l=
ogger.js (173)
> I/chromium(14744): [INFO:CONSOLE(173)] "len cb 1: 12", source: file:///an=
droid_asset/www/plugins/cordova-plugin-console/www/console-via-logger.js (1=
73)
> I/chromium(14744): [INFO:CONSOLE(173)] "len cb 2: 12", source: file:///an=
droid_asset/www/plugins/cordova-plugin-console/www/console-via-logger.js (1=
73)
> I/chromium(14744): [INFO:CONSOLE(173)] "len cb 3: 9", source: file:///and=
roid_asset/www/plugins/cordova-plugin-console/www/console-via-logger.js (17=
3)
> {code}


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