Difference between revisions of "HaXR"
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and server applications in [http://www.haskell.org/ Haskell]. |
and server applications in [http://www.haskell.org/ Haskell]. |
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</p> |
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− | <p>HaXR consists of two packages: <tt>haxr</tt> and <tt>haxr-th</tt>. |
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− | The latter package contains the Template Haskell code used for automatically |
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− | deriving XML-RPC struct representations for Haskell records.</p> |
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<p>Christopher Milton came up with the HaXR name, thanks!</p> |
<p>Christopher Milton came up with the HaXR name, thanks!</p> |
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<h3>Examples</h3> |
<h3>Examples</h3> |
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+ | a couple of them. |
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+ | </p> |
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<h4>Server</h4> |
<h4>Server</h4> |
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<p>Have a look at <tt>[http://code.haskell.org/haxr/examples/Person.hs examples/Person.hs]</tt> for an example of how |
<p>Have a look at <tt>[http://code.haskell.org/haxr/examples/Person.hs examples/Person.hs]</tt> for an example of how |
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to use heterogeneous structs. |
to use heterogeneous structs. |
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− | [http://code.haskell.org/haxr |
+ | [http://code.haskell.org/haxr/examples/PersonTH.hs <tt>examples/PersonTH.hs</tt>] |
does the same using the <code>Network.XmlRpc.THDeriveXmlRpcType</code> |
does the same using the <code>Network.XmlRpc.THDeriveXmlRpcType</code> |
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module. |
module. |
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[http://code.haskell.org/haxr/examples/make-stubs.hs <tt>examples/make-stubs.hs</tt>] for an example of how to use introspection in a client. |
[http://code.haskell.org/haxr/examples/make-stubs.hs <tt>examples/make-stubs.hs</tt>] for an example of how to use introspection in a client. |
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</p> |
</p> |
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− | <h4>More examples</h4> |
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− | |||
⚫ | |||
<h3>API reference</h3> |
<h3>API reference</h3> |
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<p> |
<p> |
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− | You can get the latest versions of the [http://hackage.haskell.org/package/haxr <tt>haxr</tt>] |
+ | You can get the latest versions of the [http://hackage.haskell.org/package/haxr <tt>haxr</tt>] from [http://hackage.haskell.org/ Hackage]. |
+ | </p> |
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+ | <p> |
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+ | There used to be a separate <tt>haxr-th</tt>, now everything is available in <tt>haxr</tt>. |
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</p> |
</p> |
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<p>To report bugs, request features, submit patches, or ask for help, email |
<p>To report bugs, request features, submit patches, or ask for help, email |
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− | [mailto: |
+ | [mailto:byorgey@gmail.com Brent Yorgey].</p> |
<p>Some known problems are listed in the |
<p>Some known problems are listed in the |
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Copyright 2003-2007 [mailto:bjorn@bringert.net Björn Bringert]. |
Copyright 2003-2007 [mailto:bjorn@bringert.net Björn Bringert]. |
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Copyright 2009-2010 [mailto:gracjanpolak@gmail.com Gracjan Polak]. |
Copyright 2009-2010 [mailto:gracjanpolak@gmail.com Gracjan Polak]. |
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+ | Copyright 2012 [mailto:byorgey@gmail.com Brent Yorgey]. |
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</p> |
</p> |
Latest revision as of 13:56, 7 July 2012
HaXR — the Haskell XML-RPC library
HaXR is a library for writing XML-RPC client and server applications in Haskell.
Christopher Milton came up with the HaXR name, thanks!
Documentation
Examples
Example are available in the examples/ folder in the darcs repository. Here we talk about a couple of them.
Server
This is a simple CGI-based server with only one method that takes two integers and returns their sum.
import Network.XmlRpc.Server
add :: Int -> Int -> IO Int
add x y = return (x + y)
main = cgiXmlRpcServer [("examples.add", fun add)]
Note: the argument to fun can be a function that takes any number of arguments.
Client
This is a client that calls the method implemented by the server above and prints the result.
import Network.XmlRpc.Client
server = "http://localhost/~bjorn/cgi-bin/simple_server"
add :: String -> Int -> Int -> IO Int
add url = remote url "examples.add"
main = do
let x = 4
y = 7
z <- add server x y
putStrLn (show x ++ " + " ++ show y ++ " = " ++ show z)
Note: the function returned by remote can be a function that takes any number of arguments.
Heterogeneous structs
Have a look at examples/Person.hs for an example of how
to use heterogeneous structs.
examples/PersonTH.hs
does the same using the Network.XmlRpc.THDeriveXmlRpcType
module.
XML-RPC introspection
This library supports XML-RPC introspection, both in the client and server. See examples/make-stubs.hs for an example of how to use introspection in a client.
API reference
Use the online copy of the API documentation.
Report
I have written a report (ps, pdf) on the design and implementation of Haskell XML-RPC. The report was written in January 2004, and is slowly getting out of date.
Download
Hackage
You can get the latest versions of the haxr from Hackage.
There used to be a separate haxr-th, now everything is available in haxr.
Darcs repository
Use darcs to get the source from the repo at http://code.haskell.org/haxr/:
$ darcs get http://code.haskell.org/haxr/
Reporting bugs, requesting features
To report bugs, request features, submit patches, or ask for help, email Brent Yorgey.
Some known problems are listed in the TODO file in the source distribution. If you need any of those fixed, let me know.
License
HaXR is distributed under a BSD-style license.