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#| rep.xml.printer -- companion XML printer to rep.xml.reader
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$Id: printer.jl,v 1.1 2002/06/21 05:11:50 jsh Exp $
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Copyright (C) 2002 John Harper <jsh@unfactored.org>
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This file is part of librep.
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librep is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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librep is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with librep; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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(define-structure rep.xml.printer
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(export make-xml-output
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(define make-xml-output identity)
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(define (substitute-entities string)
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(string-replace "[<&'\"]"
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(car (rassoc (expand-last-match "\\0")
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(define (print-params stream params)
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(format stream " %s=\"%s\""
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(car cell) (substitute-entities (cdr cell))))
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(define (print-xml-item stream item)
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(write stream (substitute-entities item)))
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(format stream "<!%s>" (nth 1 stream)))
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(format stream "<%s" (car item))
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(print-params stream (nth 1 item))
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(cond ((string-match "^\\?" (symbol-name (car item)))
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((null (nthcdr 2 item))
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(print-xml-item stream x)) (nthcdr 2 item))
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(format stream "</%s>" (car item)))))
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(t (error "Unknown item type: %s" item)))))
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lisp/rep/xml/printer.jl
