Implementing XPath 2.0

[twashing]

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Hey there,

I'm working on a project that needs to implement XPath. Anyways, I'm in the midst of pulling it into my project, and I thought I would put it out there if anyone else needs an XPath 2.0 implementation. I have yet to put it in a git repo, or anything. But if you find it useful, have at it.

Let me know how you fare. And I'll be making modifications, in which case, I'll post those.

Cheers
Tim

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Btw, where do I submit grammars for SableCC 3.x? I got around to finishing an XPath 2.0 grammar. Feel free to use / modify it as you see fit. There's a project page here (see link). 

Get the project (using git): git clone http://repo.or.cz/r/xpath20.git

Build: ant clean compile-src

Run:

·       (bash - Terminate input with Ctrl-D  Ctrl-D) run.sh

·       (dos - Terminate input with Ctrl-M  Ctrl-Z  Ctrl-M) java -classpath build/src;build/gen/;lib/sablecc-anttask.jar;lib/sablecc.jar;lib/AntelopeTasks_3.2.19.jar xpath.XPath20

Some Test input:

·       ./child::node()[ 12 ]

·       //system/application

·       ./child::node()[ 1 ]/child::service/child::port/child::soap:address/attribute::location

·       /descendant-or-self::element()

·       /GPS/memory[text()="64MB"]

·       for $i in (10, 20), $j in (1, 2) return ( $i + $j )

Known Issues:

·       can’t use ‘1’ or ‘-‘ in tag names

·       an ‘if’ statement requires a corresponding ‘else’

Hope it helps. Cheers. 

Tim

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From: Timothy Washington <timothyjwashington@...>
To: sablecc-discussion@...
Sent: Sunday, October 19, 2008 8:37:24 PM
Subject: Implementing XPath 2.0

Hey there,

I'm working on a project that needs to implement XPath. Anyways, I'm in the midst of pulling it into my project, and I thought I would put it out there if anyone else needs an XPath 2.0 implementation. I have yet to put it in a git repo, or anything. But if you find it useful, have at it.

Let me know how you fare. And I'll be making modifications, in which case, I'll post those.

Cheers
Tim

[Etienne M. Gagnon]

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Hi Tim,

You could simply add a page for your grammar in the SableCC 3 wiki and attach your grammar to it. Feel free to make it similar to http://sablecc3.sablecc.org/wiki/Java-1.5 .

Then, add a link to this page on the SableCC grammar page http://sablecc.org/wiki/GrammarPage .

All you need is a registration account on sablecc.org. If you don't already have one, you can create it with: http://sablecc.org/wiki/CreateAccount

Thank you for the contribution!

Etienne

Timothy Washington wrote:

Btw, where do I submit grammars for SableCC 3.x? I got around to finishing an XPath 2.0 grammar. Feel free to use / modify it as you see fit. There's a project page here (see link). 

...

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Ok thanks Etienne, I'll let everybody know when it's done. 

Tim

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From: Etienne M. Gagnon <egagnon@...>
To: Discussion mailing list for the SableCC project <sablecc-discussion@...>
Sent: Thursday, January 29, 2009 7:32:42 PM
Subject: Re: Implementing XPath 2.0

Hi Tim,

You could simply add a page for your grammar in the SableCC 3 wiki and attach your grammar to it. Feel free to make it similar to http://sablecc3.sablecc.org/wiki/Java-1.5 .

Then, add a link to this page on the SableCC grammar page http://sablecc.org/wiki/GrammarPage .

All you need is a registration account on sablecc.org. If you don't already have one, you can create it with: http://sablecc.org/wiki/CreateAccount

Thank you for the contribution!

Etienne

Timothy Washington wrote:

Btw, where do I submit grammars for SableCC 3.x? I got around to finishing an XPath 2.0 grammar. Feel free to use / modify it as you see fit. There's a project page here (see link). 

...

[twashing]

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Ok, so I put up initial versions of an XPath 2.0 grammar on these pages. Anyone is obviously welcome to make changes and improvements to the grammar. There's about 2 issues that I know about as it stands. 

http://sablecc.org/wiki/GrammarPage

http://sablecc3.sablecc.org/wiki/XPath-2.0

The Sablecc project has really helped out my development in the last little bit. Hopefully this can help out others. 

Thanks

Tim

---

From: Etienne M. Gagnon <egagnon@...>
To: Discussion mailing list for the SableCC project <sablecc-discussion@...>
Sent: Thursday, January 29, 2009 7:32:42 PM
Subject: Re: Implementing XPath 2.0

Hi Tim,

You could simply add a page for your grammar in the SableCC 3 wiki and attach your grammar to it. Feel free to make it similar to http://sablecc3.sablecc.org/wiki/Java-1.5 .

Then, add a link to this page on the SableCC grammar page http://sablecc.org/wiki/GrammabviourPage .

All you need is a registration account on sablecc.org. If you don't already have one, you can create it with: http://sablecc.org/wiki/CreateAccount

Thank you for the contribution!

Etienne

Timothy Washington wrote:

Btw, where do I submit grammars for SableCC 3.x? I got around to finishing an XPath 2.0 grammar. Feel free to use / modify it as you see fit. There's a project page here (see link). 

...

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