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;;; html-helper.el ---
;; Copyright (C) 2001 Jesper Nordenberg
;; Author: Jesper Nordenberg <mayhem@home.se>
;; This program 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 2, or (at your option) any later version.
;; This program 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
;; GNU Emacs; see the file COPYING. If not, write to the Free Software
;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
;;; Commentary:
;; Functions for generating HTML pages.
;; $Id$
;;; Code:
(defconst h-br "<br>\n")
(defconst h-hr "<hr>")
(defvar h-body-bgcolor)
(setq h-body-bgcolor "white")
(defvar h-link-fgcolor)
(defvar h-vlink-fgcolor)
(defvar h-alink-fgcolor)
(setq h-link-fgcolor "#0000ff")
(setq h-vlink-fgcolor "#008000")
(setq h-alink-fgcolor "#0080ff")
(defvar h-section-title-bgcolor)
(defvar h-section-title-fgcolor)
(defvar h-section-text-bgcolor)
(defvar h-section-text-fgcolor)
(setq h-section-title-bgcolor "#404080")
(setq h-section-title-fgcolor "#ffffff")
(setq h-section-text-bgcolor "#8080a0")
(setq h-section-text-fgcolor "#000000")
(defun h-line (&optional width-percent align)
(concat "<hr" (h-get-attrs
(delete nil
(list (if (numberp width-percent)
(cons 'width
(concat (number-to-string width-percent)
"%")))
(if align
(cons 'align
(if (stringp align)
align
(symbol-name align)))))))
">"))
(defun h-date()
(format-time-string "%Y-%m-%d"))
(defun h-element(name items &optional newline)
(concat "<" name (h-get-attrs items) ">" (h-list-to-str items) "</" name ">" (if newline "\n" "")))
(defun h-list-to-str(items)
(if (listp items)
(if (symbolp (car items))
""
(mapconcat
'(lambda (item)
(h-list-to-str item))
items ""))
items))
(defun h-filter(items prefix &optional suffix)
(mapcar
(lambda (item)
(concat (if prefix prefix "") (h-list-to-str item) (if suffix suffix "")))
items))
(defun h-get-attrs(items &optional defaults)
(let ((attr-str "")
(l items)
al)
(while l
(when (and (listp (car l)) (symbolp (caar l)))
(setq al (cons (car l) al))
(setq attr-str (concat attr-str " " (symbol-name (caar l))
(if (cdar l)
(concat "='" (cdar l) "'")
""))))
(setq l (cdr l)))
(concat
attr-str
(mapconcat
'(lambda (item)
(if (not (assoc (car item) al))
(concat " " (symbol-name (car item)) (if (cdr item)
(concat "='" (cdr item) "'")
""))
""))
defaults ""))))
(defun h-doc(filename title &rest items)
(set-buffer (find-file-noselect filename))
(setq buffer-read-only nil)
(erase-buffer)
(insert (concat "<!-- This file was automatically generated by Emacs "
emacs-version " at " (current-time-string)
", do not edit! -->\n<html>\n<head>\n<STYLE TYPE=\"text/css\">\nA:hover {background-color: #c0c0c0}\nA:link, A:visited, A:active { text-decoration: none }\n OL,UL,P,BODY,TD,TR,TH,FORM {font-family : verdana,arial,helvetica,sans-serif; } \n</STYLE>\n<title>" title ;;
"</title>\n</head>\n\n<body"
(h-get-attrs items (list (cons 'bgcolor h-body-bgcolor)
(cons 'link h-link-fgcolor)
(cons 'vlink h-vlink-fgcolor)
(cons 'alink h-alink-fgcolor)))
">\n" (h-list-to-str items) "\n</body>\n</html>\n"))
(setq buffer-read-only t)
(save-buffer))
(defun h-center(&rest items)
(h-element "center" items))
(defun h-h1(&rest items)
(concat "\n" (h-element "h1" items t)))
(defun h-h2(&rest items)
(concat "\n" (h-element "h2" items t)))
(defun h-h3(&rest items)
(concat "\n" (h-element "h3" items t)))
(defun h-h4(&rest items)
(concat "\n" (h-element "h4" items t)))
(defun h-b(&rest items)
(h-element "b" items))
(defun h-p(&rest items)
(h-element "p" items t))
(defun h-i(&rest items)
(h-element "i" items t))
(defun h-fsize(size &rest items)
(h-element "font" (cons (cons 'size size) items)))
(defun h-fcolor(color &rest items)
(h-element "font" (cons (cons 'color color) items)))
(defun h-list(&rest items)
(h-element "ul" (h-filter (if (listp (car items))
(car items)
items)
"<li>" "\n") t))
(defun h-numbered-list(&rest items)
(h-element "ol" (h-filter (if (listp (car items))
(car items)
items)
"<li>" "\n") t))
(defun h-bullet-list(&rest items)
(h-element "ul" (h-filter (if (listp (car items))
(car items)
items)
"<li>" "\n") t))
(defun h-email(email &rest items)
(concat
"<a href='mailto:" email "'>"
(if items
(h-list-to-str items)
email)
"</a>"))
(defun h-link(url &rest items)
(concat
"<a href='" url "'" (h-get-attrs items) ">"
(if items
(h-list-to-str items)
url)
"</a>"))
(defun h-tag(name &rest items)
(concat
"<a name='" name "'>"
(if items
(h-list-to-str items)
"")
"</a>"))
(defun h-img(url &rest items)
(concat "<img src='" url "' " (h-list-to-str items) ">"))
(defun h-columns(&rest columns)
(h-element "table" (h-filter columns "<td valign='top'>") t))
(defun h-table(&rest items)
(h-element "table" (cons "\n" items) t))
(defun h-td(&rest items)
(h-element "td" items))
(defun h-tr(&rest items)
(h-element "tr" items t))
(defun h-section(title &rest items)
(concat
(h-table '(width . "100%")
'(cellspacing . "0")
'(cellpadding . "2")
(h-tr (cons 'bgcolor h-section-title-bgcolor)
(h-td (h-fcolor h-section-title-fgcolor (h-b title))))
(h-tr (cons 'bgcolor h-section-text-bgcolor) (h-td (h-fcolor h-section-text-fgcolor items))))
h-br))
(defun h-sub-section(title &rest items)
(concat
(h-table '(width . "100%")
'(cellspacing . "0")
'(cellpadding . "2")
(h-tr (h-td (h-b title))
(h-tr (h-td items))))
h-br))
(defun h-bullet-link-list(bullet items &optional target)
(h-table
(mapconcat
(lambda (item)
(h-tr '(valign . "top")
(h-td '(nowrap) (h-img bullet) " "
(h-link (car item)
(h-b (if (cdr item) (cadr item) (car item)))
(cons 'target target)))
(h-td (if (and (cdr item) (cddr item)) (caddr item) ""))))
items "")))
(provide 'html-helper)
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