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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) 2000-2006 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)
(defun read-umls-line (strm &optional (eof 'eof))
"Read a line from a UMLS stream, split into fields"
(let ((line (read-line strm nil eof)))
(if (eq line eof)
eof
(delimited-string-to-list line #\| t))))
(defun source-files (path)
(if (probe-file path)
(list path)
(sort
(directory (make-pathname :defaults path
:type :wild
:name (concatenate 'string (pathname-name path)
(aif (pathname-type path)
(concatenate 'string "." it)
""))))
#'(lambda (a b)
(string-lessp (pathname-type a) (pathname-type b))))))
(defmacro with-buffered-reading-umls-file ((line path) &body body)
"Opens a UMLS and processes each parsed line with (body) argument"
(let ((ustream (gensym "STRM-"))
(buffer (gensym "BUF-"))
(eof (gensym "EOF-"))
(files (gensym "FILES-")))
`(let ((,eof (gensym "EOFSYM-"))
(,buffer (make-fields-buffer))
(,files (source-files ,path)))
(with-open-file (,ustream (first ,files) :direction :input
#+(and clisp unicode) :external-format
#+(and clisp unicode) charset:utf-8)
(do ((,line (read-buffered-fields ,buffer ,ustream #\| ,eof)
(read-buffered-fields ,buffer ,ustream #\| ,eof)))
((eq ,line ,eof) t)
(setq ,line (coerce ,line 'list))
(print ,line)
,@body)))))
(defmacro with-reading-umls-file ((line path) &body body)
"Opens a UMLS and processes each parsed line with (body) argument"
(let ((ustream (gensym "STRM-"))
(eof (gensym "EOF-"))
(files (gensym "FILES-")))
`(let ((,eof (gensym "EOFSYM-"))
(,files (source-files ,path)))
(unless ,files
(error "Can't find files for ~A~%" (namestring ,path)))
(with-open-file (,ustream (first ,files) :direction :input
#+(and clisp unicode) :external-format
#+(and clisp unicode) charset:utf-8)
(do ((,line (read-umls-line ,ustream ,eof)
(read-umls-line ,ustream ,eof)))
((eq ,line ,eof) t)
(locally (declare (type list ,line))
,@body))))))
(defmacro with-umls-ufile ((line ufile) &body body)
"Opens a UMLS and processes each parsed line with (body) argument"
`(with-reading-umls-file (,line (ufile-pathname ,ufile))
,@body))
(defmacro with-umls-file ((line ufile) &body body)
"Opens a UMLS and processes each parsed line with (body) argument"
`(with-reading-umls-file (,line (umls-pathname ,ufile))
,@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)))))
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