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To Artifact [9e703b192e]:


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;; Read a non-compressed gnumeric file
(define (txtdb:read-gnumeric-xml fname)
  (with-input-from-file fname
    (lambda ()
      (ssax:xml->sxml (current-input-port) '()))))

 (define x (txtdb:read-gnumeric-xml "testdata-stripped.xml"))



;; Write out sxml
(with-output-to-file "testdata.sxml" (lambda()(pp x)))


;; (serialize-sxml a output: "new.xml")
(with-output-to-file "testdata-stripped.xml" (lambda ()(print (sxml-serializer#serialize-sxml y))))

;; Read in sxml file
(with-input-from-file "testdata.sxml" (lambda ()(set! y (read))))

(define (find-section dat section #!key (depth 0))
  (let loop ((hed   (car dat))
	     (tal   (cdr dat)))   
    (if (list? hed)
	(let ((res (find-section hed section depth: (+ depth 1))))
	  (if res 
	      res
	      (if (null? tal)
		  #f
		  (loop (car tal)(cdr tal)))))
	(if (eq? hed section)
	    tal
	    (if (null? tal)
		#f
		(loop (car tal)(cdr tal)))))))
  





































(find-section x 'http://www.gnumeric.org/v10.dtd:Workbook)

(define sheets (find-section x 'http://www.gnumeric.org/v10.dtd:Sheets))

(define sheet1 (car sheets))
(define cells-sheet1 (find-section sheet1 'http://www.gnumeric.org/v10.dtd:Cells))
(map (lambda (c)(find-section c 'Row)) cells-sheet1)

(for-each (lambda (cell)
	    (let* ((len (length cell))
		   (row (car (find-section cell 'Row)))
		   (col (car (find-section cell 'Col)))
		   (val (let ((res (cdr (filter (lambda (x)(not (list? x))) cell))))
			  (if (null? res) "" (car res)))))
	      (print "Row=" row " col=" col " val=" val)))
	  cells-sheet1)


(map (lambda (c)(filter (lambda (x)(not (list? x))) c)) cells-sheet1)








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;; Read a non-compressed gnumeric file
(define (txtdb:read-gnumeric-xml fname)
  (with-input-from-file fname
    (lambda ()
      (ssax:xml->sxml (current-input-port) '()))))















(define (find-section dat section #!key (depth 0))
  (let loop ((hed   (car dat))
	     (tal   (cdr dat)))   
    (if (list? hed)
	(let ((res (find-section hed section depth: (+ depth 1))))
	  (if res 
	      res
	      (if (null? tal)
		  #f
		  (loop (car tal)(cdr tal)))))
	(if (eq? hed section)
	    tal
	    (if (null? tal)
		#f
		(loop (car tal)(cdr tal)))))))

(define (sheet->txtdb dat)
  (let ((at-info     (find-section dat '@)) ;; misc info about the sheet
	(sheet-name  (find-section dat 'http://www.gnumeric.org/v10.dtd:Name))
	(cells       (find-section dat 'http://www.gnumeric.org/v10.dtd:Cells)))
    (print "sheet-name: " sheet-name)
    (print "Rownum\tColnum\tType\tValue")
    (for-each (lambda (cell)
		(let ((rownum  (string->number (car (find-section cell 'Row))))
		      (colnum  (string->number (car (find-section cell 'Col))))
		      (valtype (let ((res (find-section cell 'ValueType)))
				 (if res (car res) #f)))
		      (value   (let ((res (cdr (filter (lambda (x)(not (list? x))) cell))))
				 (if (null? res) "" (car res)))))
		  (print rownum "\t" colnum "\t" valtype "\t" value)))
	      cells)))

(define (extract-txtdb dat)
  (let ((sheets (find-section dat 'http://www.gnumeric.org/v10.dtd:Sheets)))
    (for-each (lambda (sheet)
		(sheet->txtdb sheet))
	      sheets)))

#|  
 (define x (txtdb:read-gnumeric-xml "testdata-stripped.xml"))



;; Write out sxml
(with-output-to-file "testdata.sxml" (lambda()(pp x)))


;; (serialize-sxml a output: "new.xml")
(with-output-to-file "testdata-stripped.xml" (lambda ()(print (sxml-serializer#serialize-sxml y))))

;; Read in sxml file
(with-input-from-file "testdata.sxml" (lambda ()(set! y (read))))

(find-section x 'http://www.gnumeric.org/v10.dtd:Workbook)

(define sheets (find-section x 'http://www.gnumeric.org/v10.dtd:Sheets))

(define sheet1 (car sheets))
(define cells-sheet1 (find-section sheet1 'http://www.gnumeric.org/v10.dtd:Cells))
(map (lambda (c)(find-section c 'Row)) cells-sheet1)

(for-each (lambda (cell)
	    (let* ((len (length cell))
		   (row (car (find-section cell 'Row)))
		   (col (car (find-section cell 'Col)))
		   (val (let ((res (cdr (filter (lambda (x)(not (list? x))) cell))))
			  (if (null? res) "" (car res)))))
	      (print "Row=" row " col=" col " val=" val)))
	  cells-sheet1)


(map (lambda (c)(filter (lambda (x)(not (list? x))) c)) cells-sheet1)
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