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# uSCXML ReadMe
uSCXML is a SCXML interpreter written in C/C++. It is still in a rather early stage but mostly
feature-complete as far as the W3C SCXML draft specifies. It runs on most <b>Linux</b>,
<b>Windows</b> and <b>MacOSX</b>, each 32- as well as 64Bits.
There is no technical reason for it not to run on iOS and Android as well, but we did not yet setup
the respective build-process.
* <b>Datamodels</b>
* ECMAScript using Google's v8 and JavaScriptCore (JSC is incomplete)
* Prolog using SWI prolog
* <b>Invokers</b>
* <tt>scxml</tt>: Invoke a nested scxml interpreter
* <tt>dirmon</tt>: Watches a directory for changes to files
* <tt>scenegraph</tt>: Simplified 3D scenegraphs with custom markup
* <tt>heartbeat</tt>: Periodically sends events
* <tt>httpservlet</tt>: Sends events for http requests to special paths
* <tt>umundo</tt>: Subscribe to channels and publish events
* <b>DOM</b>
* DOM Core Level 2 + XPath extensions available for ecmascript datamodel
* Namespace aware to embed custom markup for special invokers
* <b>Communication</b>
* Features the standard basichttp io-processor
* Can actually respond to HTTP requests with data via <response>
* <b>Language Bindings</b>
* PHP module for apache and cli interpreter
## Test Reports
<b>[Results](http://uscxml.tk.informatik.tu-darmstadt.de/cdash/index.php?project=uscxml)</b> for continuous testing of the
[W3C IRP tests](http://www.w3.org/Voice/2013/scxml-irp/) for SCXML and some platform tests.
<table>
<tr><th>Test#</th><th>Status</th><th>Comment</th></tr>
<tr><td><tt>178</tt></td><td><tt>Failed / Won't fix</tt></td>
<td>A manual test that relies on an unspecified _event.raw attribute</td>
<tr><td><tt>230</tt></td><td><tt>False report</tt></td>
<td>A manual test that is not actually failing but does not end in a state called <tt>pass</tt></td>
<tr><td><tt>250</tt></td><td><tt>False report</tt></td>
<td>A manual test that is not actually failing but does not end in a state called <tt>pass</tt></td>
<tr><td><tt>301</tt></td><td><tt>Failed</tt></td>
<td><i>"If the script can not be downloaded within a platform-specific timeout interval, the document
is considered non-conformant, and the platform must reject it"</i> -- USCXML will try to evaluate the
rest of the document nevertheless.</td>
</tr>
<tr><td><tt>307</tt></td><td><tt>False report</tt></td>
<td>A manual test that is not actually failing but does not end in a state called <tt>pass</tt></td>
<tr><td><tt>329</tt></td><td><tt>Failed / Won't fix</tt></td>
<td>Tests that <tt>_event</tt> cannot be assigned, but I like to add attributes to _event to have a
scope that only lasts for one event. Will raise the issue on the ML.</td>
<tr><td><tt>333</tt></td><td><tt>Failed / Won't fix</tt></td>
<td><i>"sendid [...] Otherwise it must leave it blank."</i> -- USCXML sets this to the empty string instead of <tt>null</tt>.</td>
<tr><td><tt>335</tt></td><td><tt>Failed / Won't fix</tt></td>
<td><i>"origin [...] For internal and platform events, the Processor must leave this field blank."</i> -- USCXML sets this to the empty string instead of <tt>null</tt>.</td>
<tr><td><tt>337</tt></td><td><tt>Failed / Won't fix</tt></td>
<td><i>"origintype [...] For internal and platform events, the Processor must leave this field blank."</i> -- USCXML sets this to the empty string instead of <tt>null</tt>.</td>
<tr><td><tt>339</tt></td><td><tt>Failed / Won't fix</tt></td>
<td><i>"invokeid [...] Otherwise it must leave it blank."</i> -- USCXML sets this to the empty string instead of <tt>null</tt>.</td>
<tr><td><tt>346</tt></td><td><tt>Failed / Won't fix</tt></td>
<td><i>"test that any attempt to change the value of a system variable causes error.execution to be raised."</i> -- I like to edit _event.</td>
</table>
## License
uSCXML itself is distributed under the Simplified BSD license as in, do not sue us and do
not misrepresent authorship. Please have a look at the licenses of the [libraries we depend
upon](https://github.com/tklab-tud/uscxml/blob/master/docs/BUILDING.md#build-dependencies) as well.
## Download
We do not yet feature installers. Please download the source and have a look at the [build
instructions](https://github.com/tklab-tud/umundo/blob/master/docs/BUILDING.md).
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