48 lines
1.6 KiB
Common Lisp
48 lines
1.6 KiB
Common Lisp
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;;;; -*- mode: lisp -*-
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;;;;
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;;;; $Id: counter.lisp,v 1.2 2004/06/11 11:14:43 scaekenberghe Exp $
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;;;;
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;;;; A simple SSAX counter example that can be used as a performance test
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;;;;
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;;;; Copyright (C) 2004 Sven Van Caekenberghe, Beta Nine BVBA.
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;;;;
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;;;; You are granted the rights to distribute and use this software
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;;;; as governed by the terms of the Lisp Lesser General Public License
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;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
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(in-package :s-xml)
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(defclass count-xml-seed ()
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((elements :initform 0)
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(attributes :initform 0)
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(characters :initform 0)))
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(defun count-xml-new-element-hook (name attributes seed)
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(declare (ignore name))
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(incf (slot-value seed 'elements))
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(incf (slot-value seed 'attributes) (length attributes))
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seed)
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(defun count-xml-text-hook (string seed)
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(incf (slot-value seed 'characters) (length string))
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seed)
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(defun count-xml (in)
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"Parse a toplevel XML element from stream in, counting elements, attributes and characters"
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(start-parse-xml in
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(make-instance 'xml-parser-state
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:seed (make-instance 'count-xml-seed)
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:new-element-hook #'count-xml-new-element-hook
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:text-hook #'count-xml-text-hook)))
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(defun count-xml-file (pathname)
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"Parse XMl from the file at pathname, counting elements, attributes and characters"
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(with-open-file (in pathname)
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(let ((result (count-xml in)))
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(with-slots (elements attributes characters) result
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(format t
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"~a contains ~d XML elements, ~d attributes and ~d characters.~%"
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pathname elements attributes characters)))))
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;;;; eof
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