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Home » Modeling » TMF (Xtext) » Handling of backslash
Handling of backslash [message #1848969] Mon, 27 December 2021 14:29 Go to next message
Akira Tanaka is currently offline Akira TanakaFriend
Messages: 98
Registered: March 2010
Dear all,

I am working on an Xtext project whose target/instance model is an XML document. When creating a model (XML document), it needs to accept a string including backslash (\), and this backslash is not an escape character. For instance, the XML document may contain something like below.

Is it possible to define an Xtext grammar that supports above?

I would appreciate any advice.

Thank you very much in advance.
Re: Handling of backslash [message #1848973 is a reply to message #1848969] Mon, 27 December 2021 17:42 Go to previous message
Ed Willink is currently offline Ed WillinkFriend
Messages: 7599
Registered: July 2009
Senior Member


If you don;'t like the half-built-in STRING token typically imposed by Terminal.xtext, redefine it or define a different token.

Make sure you define a suitable replacement for e.g. DoubleQuotedStringConverter that doesn't interpret backslash, but probably does support &gt; etc. You may find suitable encode/decode utility routines perhaps in the EMF XML support, perhaps in the SAX parser.


Ed Willink
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