[wix-devs] Escaping quotes in SWIX

Rob Mensching rob at firegiant.com
Fri Sep 30 09:36:00 PDT 2016


Thank you for the example. 

Backslashes are very poor escape character in our line of business. I think the escape character is to duplicate the quote type wrapping the value.

Regards,

  Rob Mensching
  CEO
  FireGiant
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-----Original Message-----
From: wix-devs [mailto:wix-devs-bounces at lists.wixtoolset.org] On Behalf Of Heath Stewart
Sent: Thursday, September 29, 2016 3:30 PM
To: WiX Toolset Developer Mailing List <wix-devs at lists.wixtoolset.org>
Subject: Re: [wix-devs] Escaping quotes in SWIX

Partly, it's to avoid rewriting localization parsing code to handle the Python-like double-in-single quotes. But there is a valid use case as well. Consider the string (a convoluted example, but possible):

Value='Click on "What's New"'

This string wouldn't be possible without escaping the middle single quote: 'Click on "What\'s New"'

If we did consider escaping, may as well adopt all of Python's (at least quote) escaping, so that this would be possible:

Value="Click on \"What's New\"" (or even, though unnecessary, "Click on \"What\'s New\"")

Heath Stewart
Visual Studio, Microsoft
http://blogs.msdn.microsoft.com/heaths

-----Original Message-----
From: wix-devs [mailto:wix-devs-bounces at lists.wixtoolset.org] On Behalf Of Rob Mensching
Sent: Friday, September 23, 2016 4:18 PM
To: WiX Toolset Developer Mailing List <wix-devs at lists.wixtoolset.org>
Subject: Re: [wix-devs] Escaping quotes in SWIX

Can you provide a real world example?


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-----Original Message-----
From: wix-devs [mailto:wix-devs-bounces at lists.wixtoolset.org] On Behalf Of Heath Stewart
Sent: Friday, September 23, 2016 7:16 AM
To: WiX Toolset Developer Mailing List <wix-devs at lists.wixtoolset.org>
Subject: [wix-devs] Escaping quotes in SWIX

Since we're using SWIX to drive our extension to build the new VSIX v3 format, we really haven't needed much but several times now people have run into issues escaping quotes. I documented that it supports double quotes within single quotes like Python, but in a few cases (especially in other locales) this wasn't enough.

What about adding support to escape quotes to the front-end compiler? I assume the XML parser supports entities so it would support "escaping" quites that way.

If so, any desired preference on there escape character? Most languages devs would use use a backslash so that'd be my vote.
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