base.lisp

   1 ;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
   2 ;;;; *************************************************************************
   3 ;;;; FILE IDENTIFICATION
   4 ;;;;
   5 ;;;; Name:          base.lisp
   6 ;;;; Purpose:       Lisp Markup Language functions
   7 ;;;; Programmer:    Kevin M. Rosenberg
   8 ;;;; Date Started:  Aug 2002
   9 ;;;;
  10 ;;;; $Id$
  11 ;;;;
  12 ;;;; This file, part of LML2, is Copyright (c) 2000-2003 by Kevin Rosenberg.
  13 ;;;; Rights of modification and redistribution are in the LICENSE file.
  14 ;;;;
  15 ;;;; *************************************************************************
  16
  17 (in-package #:lml2)
  18
  19
  20 (defun lml-format (str &rest args)
  21   (when (streamp *html-stream*)
  22     (if args
  23         (apply #'format *html-stream* str args)
  24         (write-string str *html-stream*))))
  25
  26 (defun lml-princ (s)
  27   (princ s *html-stream*))
  28
  29 (defun lml-print (s)
  30   (format *html-stream* "~A~%" s))
  31
  32 (defun lml-write-char (char)
  33   (write-char char *html-stream*))
  34
  35 (defun lml-write-string (str)
  36   (write-string str *html-stream*))
  37
  38 (defun lml-print-date (date)
  39   (lml-write-string (date-string date)))
  40
  41 (defun xml-header-stream (stream &key (version "1.0") (standalone :unspecified)
  42                    (encoding :unspecified))
  43   (format stream "<?xml version=\"~A\"~A~A ?>"
  44           version
  45           (if (eq standalone :unspecified)
  46               ""
  47               (format nil " standalone=\"~A\"" standalone))
  48           (if (eq encoding :unspecified)
  49               ""
  50               (format nil " encoding=\"~A\"" encoding))))
  51
  52 (defun dtd-prologue (&optional (format :xhtml11) &key entities)
  53   (case format
  54     ((:xhtml :xhtml11 :xhtml10-strict :xhtml10-transitional :xhtml10-frameset :xml)
  55      (lml-write-string +xml-prologue-string+)
  56      (lml-write-char #\newline)
  57      (case format
  58        ((:xhtml11 :xhtml)
  59         (lml-write-string +xhtml11-dtd-string+))
  60        (:xhtml10-strict
  61         (lml-write-string +xhtml10-strict-dtd-string+))
  62        (:xhtml10-transitional
  63         (lml-write-string +xhtml10-transitional-dtd-string+))
  64        (:xhtml10-frameset
  65         (lml-write-string +xhtml10-frameset-dtd-string+)))
  66      (when entities
  67        (lml-write-char #\space)
  68        (lml-write-char #\[)
  69        (lml-write-char #\Newline)
  70        (lml-write-string entities)
  71        (lml-write-char #\Newline)
  72        (lml-write-char #\]))
  73      (lml-write-char #\>))
  74     (:html
  75      (lml-write-string +html4-dtd-string+)))
  76   (lml-write-char #\newline))
  77
  78
  79 (defmacro html-file-page ((out-file &key (format :xhtml11))
  80                           &body body)
  81   `(with-open-file (*html-stream*
  82                     (lml-file-name ,out-file :output)
  83                     :direction :output
  84                     :if-exists :supersede)
  85      (dtd-prologue ,format)
  86      (html
  87       ((:html :xmlns "http://www.w3.org/1999/xhtml")
  88        ,@body))))
  89
  90
  91 (defmacro alink (url desc)
  92   `(html
  93     ((:a :href ,url) ,desc)))
  94
  95 (defmacro alink-c (class url desc)
  96   `(html
  97     ((:a :class ,class :href ,url) ,desc)))