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;;; table.scm -- Routines to operate on `table' markups.
;;; -*- coding: iso-8859-1 -*-
;;;
;;; Copyright 2008 Ludovic Courtès <ludo@gnu.org>
;;; Copyright 2001 Manuel Serrano
;;;
;;;
;;; This file is part of Skribilo.
;;;
;;; Skribilo 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 of the License, or
;;; (at your option) any later version.
;;;
;;; Skribilo 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 Skribilo. If not, see <http://www.gnu.org/licenses/>.
(define-module (skribilo table)
#:use-module (skribilo ast)
#:use-module (skribilo utils syntax)
#:export (table-column-count))
;;; Author: Manuel Serrano, Ludovic Courtès
;;;
;;; Commentary:
;;;
;;; This module provides utility functions to operate on `table' ASTs. It is
;;; partly based on code from Scribe 1.1a.
;;;
;;; Code:
(skribilo-module-syntax)
(define (table-column-count t)
;; Return the number of columns contained in table T.
(define (row-columns row)
(let loop ((cells (markup-body row))
(nbcols 0))
(if (null? cells)
nbcols
(loop (cdr cells)
(+ nbcols (markup-option (car cells) :colspan))))))
(let loop ((rows (markup-body t))
(nbcols 0))
(if (null? rows)
nbcols
(loop (cdr rows)
(max (row-columns (car rows)) nbcols)))))
;;; table.scm ends here
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