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;;;; This file is part of Gamma. -*- scheme -*-
;;;; Copyright (C) 2010 Sergey Poznyakoff
;;;;
;;;; Gamma is free software; you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
;;;; the Free Software Foundation; either version 3, or (at your option)
;;;; any later version.
;;;;
;;;; Gamma is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;;; GNU General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU General Public License
;;;; along with Gamma. If not, see <http://www.gnu.org/licenses/>.
changequote([,])dnl
(define-module (gamma expat)
:use-module (ice-9 rdelim)
:use-module (srfi srfi-1))
(let ((lib-path "LIBDIR/"))
(load-extension (string-append
lib-path "libgamma-expat-v-VERSION") "gamma_expat_init"))
include(BUILDDIR/gamma-expat.inc)
(define-public (xml-make-parser . rest)
(if (null? rest)
(xml-primitive-make-parser)
(letrec ((parser-setup (lambda (setup handler-args)
(let ((p
(apply xml-primitive-make-parser setup)))
(if (not (null? handler-args))
(apply xml-set-handler p handler-args))
p))))
(if (string? (car rest))
(let ((encoding (car rest))
(rest (cdr rest)))
(if (char? (car rest))
(parser-setup (list encoding (car rest))
(cdr rest))
(parser-setup (list encoding) rest)))
(parser-setup '() rest)))))
(define-public (xml-parse-more parser input)
(cond
((eof-object? input)
(xml-primitive-parse parser "" #t))
(else
(xml-primitive-parse parser input #f))))
(define-public (xml-parse parser)
(let loop ((line (read-line)))
(xml-parse-more parser line)
(if (not (eof-object? line))
(loop (read-line)))))
(define-public (xml-set-handler parser . rest)
(if (odd? (length rest))
(scm-error 'wrong-number-of-args
"xml-set-handler"
"Wrong number of arguments to ~A"
(list "xml-set-handler")
#f))
(for-each
(lambda (elt)
(xml-primitive-set-handler parser (car elt) (cdr elt)))
(let ((prev-elem #f))
(fold-right
(lambda (elem prev)
(cond
(prev-elem
(let ((ret (cons (cons elem prev-elem) prev)))
(set! prev-elem #f)
ret))
(else
(set! prev-elem elem)
prev)))
'()
rest))))
;;;; End of expat.scm
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