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6 cxml-rng: Relax NG for Closure XML
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15 <b> Relax NG for Closure XML
</b>
18 <div id=
"homepage" class=
"main">
21 of
<a href=
"http://relaxng.org/spec-20011203.html">Relax
22 NG
</a> schema validation
24 Lisp, including support for compact syntax, DTD Compatibility, and
29 by
<a href=
"mailto:david@lichteblau.com">David
30 Lichteblau
</a> and is designed as an add-on library for
31 <a href=
"http://common-lisp.net/project/cxml">Closure XML
</a>.
32 It is available under an X11-style license.
35 Please send bug reports
36 to
<a href=
"mailto:cxml-devel@common-lisp.net">
37 cxml-devel@common-lisp.net
</a>
38 (
<a href=
"http://common-lisp.net/cgi-bin/mailman/listinfo/cxml-devel">list information
</a>).
41 <h3>Download and Installation
</h3>
46 <a href="http://www.lichteblau.com/cxml-rng/download/">tarballs</a>
47 or get it from git: <tt>http://www.lichteblau.com/git/cxml-rng.git</tt>
52 <a href=
"http://www.lichteblau.com/cxml-rng/download/">tarball
</a>.
56 <a href=
"http://common-lisp.net/project/cxml">Closure XML
</a>,
57 <a href=
"http://weitz.de/cl-ppcre/">CL-PPCE
</a>,
58 <a href=
"http://www.pps.jussieu.fr/~jch/software/cl-yacc/">CL-Yacc
</a>,
59 <a href=
"http://www.cliki.net/PARSE-NUMBER">parse-number
</a>,
60 and
<a href=
"http://www.cliki.net/cl-base64">cl-base64
</a>.
61 <a href=
"http://www.cliki.net/asdf">ASDF
</a> is used for
62 compilation. Register the .asd file, e.g. by symlinking it,
63 then compile cxml-rng using
<tt>asdf:operate
</tt>.
65 <pre>$ ln -sf `pwd`/cxml-rng.asd /path/to/your/registry/
66 * (asdf:operate 'asdf:load-op :cxml-rng)
</pre>
68 <h3>Implementation-specific notes
</h3>
70 At this point, cxml-rng is written to work with Lisp strings
71 (as opposed to runes and rods), and is meant to be used on
72 Lisp implementations with Unicode support.
77 Use
<a href=
"doc/pages/cxml-rng__parse-schema.html">cxml-rng:parse-schema
</a>
78 to parse a Relax NG schema file. The
79 resulting
<a href=
"doc/pages/cxml-rng__schema.html">schema
</a>
80 object is a representation of a simplified schema using Lisp
81 objects, which has gone through simplification as
82 described the Relax NG
83 specification.
<a href=
"doc/pages/cxml-rng__serialize-schema.html">cxml-rng:serialize-schema
</a>
84 can be used to write a Relax NG file in XML syntax for this
88 In order to validate XML against a schema, create a
89 validation handler for the grammar
90 using
<a href=
"doc/pages/cxml-rng__make-validator.html">cxml-rng:make-validator
</a>.
92 handler processes SAX events and can be used with any
93 function generating such events, in particular
94 with
<a href=
"http://common-lisp.net/project/cxml/sax.html#parser">cxml:parse-file
</a>.
96 <pre class=
"code">(cxml:parse-file
"example.xml"
97 <span style=
"color: black">(cxml-rng:make-validator
98 (cxml-rng:parse-schema #p
"example.rng"))
</span>)
</pre>
100 The validator accepts another SAX handler as an optional
101 second argument. For example, to parse XML into DOM while also
102 validating it, use the validator like this:
104 <pre class=
"code" style=
"color: #777777">(cxml:parse-file
"example.xml"
105 <span style=
"color: black">(cxml-rng:make-validator
</span>
106 (cxml-rng:parse-schema #p
"example.rng")
107 <span style=
"color: black">(cxml-dom:make-dom-builder))
</span>)
</pre>
109 When using the klacks parser, create a validating source.
111 <pre class=
"code" style=
"color: #777777">(klacks:with-open-source
112 (s
<span style=
"color: black">(cxml-rng:make-validating-source
114 (cxml-rng:parse-schema #p
"example.rng"))
</span>)
115 (loop for key = (klacks:peek-next s) while key do (print key)))
</pre>
117 DTD Compatibility processing (basically, checking of IDs and
118 addition of default values) is done using a
119 <a href=
"doc/pages/cxml-rng__make-dtd-compatibility-handler.html">DTD Compatibility handler
</a>.
120 You can use this handler together with a validator or by its own.
122 <pre class=
"code" style=
"color: #777777">(cxml:parse-file
"example.xml"
123 <span style=
"color: black">(cxml-rng:make-dtd-compatibility-handler
</span>
124 (cxml-rng:parse-schema #p
"example.rng")
125 <span style=
"color: black">(cxml-dom:make-dom-builder))
</span>)
</pre>
127 <h3>Documentation
</h3>
129 <a href=
"doc/index.html">API documentation
</a> is available.