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;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: umlisp -*-
;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
;;;; Name: parse-macros.lisp
;;;; Purpose: Macros for UMLS file parsing
;;;; Author: Kevin M. Rosenberg
;;;; Created: Apr 2000
;;;;
;;;; $Id$
;;;;
;;;; This file, part of UMLisp, is
;;;; Copyright (c) 2000-2004 by Kevin M. Rosenberg, M.D.
;;;;
;;;; UMLisp users are granted the rights to distribute and use this software
;;;; as governed by the terms of the GNU General Public License.
;;;; *************************************************************************
(in-package #:umlisp-orf)
(defmacro with-umls-file ((line filename) &body body)
"Opens a UMLS and processes each parsed line with (body) argument"
(let ((ustream (gensym "STRM-"))
(eof (gensym "EOF-")))
`(let ((,eof (gensym "EOFSYM-")))
(with-open-file
(,ustream (umls-pathname ,filename) :direction :input)
(do ((,line (read-umls-line ,ustream ,eof)
(read-umls-line ,ustream ,eof)))
((eq ,line ,eof) t)
,@body)))))
(defmacro with-buffered-umls-file ((line filename) &body body)
"Opens a UMLS and processes each parsed line with (body) argument"
(let ((ustream (gensym "STRM-"))
(buffer (gensym "BUF-"))
(eof (gensym "EOF-")))
`(let ((,buffer (make-fields-buffer))
(,eof (gensym "EOFSYM-")))
(with-open-file
(,ustream (umls-pathname ,filename) :direction :input)
(do ((,line (read-buffered-fields ,buffer ,ustream #\| ,eof)
(read-buffered-fields ,buffer ,ustream #\| ,eof)))
((eq ,line ,eof) t)
,@body)))))
(defmacro with-buffered2-umls-file ((line filename) &body body)
"Opens a UMLS and processes each parsed line with (body) argument"
(let ((ustream (gensym "STRM-"))
(buffer (gensym "BUF-"))
(eof (gensym "EOF-")))
`(let ((,buffer (make-fields-buffer2))
(,eof (gensym "EOFSYM-")))
(with-open-file
(,ustream (umls-pathname ,filename)
:direction :input :if-exists :overwrite)
(do ((,line (read-buffered-fields ,buffer ,ustream #\| ,eof)
(read-buffered-fields ,buffer ,ustream #\| ,eof)))
((eq ,line ,eof) t)
,@body)))))
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