gnu: Add perl-xml-xpath.

* gnu/packages/xml.scm (perl-xml-xpath): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/xml.scm

@@ -11,6 +11,7 @@
 ;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2016 Ben Woodcroft <donttrustben@gmail.com>
 ;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
+;;; Copyright © 2016 ng0 <ng0@we.make.ritual.n0.is>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -563,6 +564,30 @@ encoding of the message to be send into XML, sending the message to the
 server, collect the answer, and finally decoding the XML to Perl.")
     (license (package-license perl))))
 
+(define-public perl-xml-xpath
+  (package
+    (name "perl-xml-xpath")
+    (version "1.37")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://cpan/authors/id/M/MA/MANWAR/"
+                                  "XML-XPath-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0997l8vjgq8p7d1irvp6amqyrv24x7f8hybjm4l4ayag32b13bmq"))))
+    (build-system perl-build-system)
+    (native-inputs
+     `(("perl-path-tiny" ,perl-path-tiny)))
+    (inputs
+     `(("perl-xml-parser" ,perl-xml-parser)))
+    (home-page "http://search.cpan.org/dist/XML-XPath")
+    (synopsis "Parse and evaluate XPath statements")
+    (description
+     "This module aims to comply exactly to the @url{XPath specification,
+https://www.w3.org/TR/xpath} and yet allow extensions to be added in
+the form of functions.")
+    (license (package-license perl))))
+
 (define-public pugixml
   (package
     (name "pugixml")