X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=base.lisp;h=b203a29407195a2360044c7e34ad6fe116665773;hb=61fd445f75948f980c31c6ca6dcc36f0263aafbb;hp=85a59117fc1b81e94cf59e178e1a86de1011a5da;hpb=9c9a88110167cb4727f04677192fd7afd4c8b00f;p=lml.git diff --git a/base.lisp b/base.lisp index 85a5911..b203a29 100644 --- a/base.lisp +++ b/base.lisp @@ -1,13 +1,13 @@ -;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*- +;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*- ;;;; ************************************************************************* ;;;; FILE IDENTIFICATION ;;;; -;;;; Name: lml.cl +;;;; Name: base.lisp ;;;; Purpose: Lisp Markup Language functions ;;;; Programmer: Kevin M. Rosenberg ;;;; Date Started: Aug 2002 ;;;; -;;;; $Id: base.lisp,v 1.1 2002/12/29 09:10:41 kevin Exp $ +;;;; $Id: base.lisp,v 1.20 2003/06/12 12:20:16 kevin Exp $ ;;;; ;;;; This file, part of LML, is Copyright (c) 2002 by Kevin M. Rosenberg ;;;; @@ -16,8 +16,7 @@ ;;;; (http://www.gnu.org/licenses/gpl.html) ;;;; ************************************************************************* -(declaim (optimize (debug 3) (speed 3) (safety 3) (compilation-speed 0))) -(in-package :lml) +(in-package #:lml) (defun html4-prologue-string () "") @@ -26,27 +25,35 @@ "") (defun xhtml-prologue-string () - "") + "") (defvar *print-spaces* nil) (defvar *indent* 0) (defun reset-indent () (setq *indent* 0)) -(defun lml-print (str &rest args) +(defun lml-format (str &rest args) (when (streamp *html-output*) (when *print-spaces* (indent-spaces *indent* *html-output*)) (if args (apply #'format *html-output* str args) - (princ str *html-output*)) - (when *print-spaces* (format *html-output* "~%")) - (values))) + (write-string str *html-output*)) + (when *print-spaces* (write-char #\newline *html-output*)))) -(defmacro lml-line (str &rest args) - `(lml-print ,str ,@args)) +(defun lml-princ (s) + (princ s *html-output*)) + +(defun lml-print (s) + (format *html-output* "~A~%" s)) + +(defun lml-write-char (char) + (write-char char *html-output*)) + +(defun lml-write-string (str) + (write-string str *html-output*)) (defun lml-print-date (date) - (lml-print (date-string date))) + (lml-write-string (date-string date))) (defmacro lml-exec-body (&body forms) `(progn @@ -54,12 +61,12 @@ #'(lambda (form) (etypecase form (string - `(lml-print ,form)) + `(lml-princ ,form)) (number - `(lml-print "~D" ,form)) + `(lml-format "~D" ,form)) (symbol (when form - `(lml-print (string-downcase (symbol-name ,form))))) + `(lml-princ ,form))) (cons form))) forms))) @@ -67,14 +74,22 @@ (defmacro with-attr-string (tag attr-string &body body) (let ((attr (gensym))) `(let ((,attr ,attr-string)) - (lml-print "<~(~A~)~A>" ',tag + (lml-format "<~(~A~)~A>" ',tag (if (and (stringp ,attr) (plusp (length ,attr))) - (format nil "~A" ,attr) + (format nil " ~A" ,attr) "")) (incf *indent*) (lml-exec-body ,@body) (decf *indent*) - (lml-print "" ',tag)))) + (lml-format "" ',tag)))) + +(defmacro with-no-endtag-attr-string (tag attr-string) + (let ((attr (gensym))) + `(let ((,attr ,attr-string)) + (lml-format "<~(~A~)~A />" ',tag + (if (and (stringp ,attr) (plusp (length ,attr))) + (format nil " ~A" ,attr) + ""))))) (defun one-keyarg-string (key value) "Return attribute string for keys" @@ -92,73 +107,112 @@ (kv (gensym))) `(progn (let ((,attr '())) - (dolist (,kv ',keyargs) - (awhen (cadr ,kv) + (dolist (,kv ,keyargs) + (awhen (cdr ,kv) (push (one-keyarg-string (car ,kv) it) ,attr))) (with-attr-string ,tag (list-to-spaced-string (nreverse ,attr)) ,@body))))) +(defmacro with-no-endtag-keyargs (tag keyargs) + (let ((attr (gensym)) + (kv (gensym))) + `(progn + (let ((,attr '())) + (dolist (,kv ,keyargs) + (awhen (cdr ,kv) + (push (one-keyarg-string (car ,kv) it) ,attr))) + (with-no-endtag-attr-string ,tag (list-to-spaced-string (nreverse ,attr))))))) + +(defmacro bind-one-keyarg (keyarg) + `(list ,(car keyarg) ,(cdr keyarg))) + +(defmacro bind-all-keyargs (keyargs) + "Convert a list of keyarg pairs and convert eval/bind arguments" + (let* ((npairs (length keyargs)) + (syms (make-array npairs)) + (ipair 0) + (ipair2 0)) + (declare (dynamic-extent syms)) + (dotimes (i npairs) + (setf (aref syms i) (gensym))) + `(let ,(mapcar #'(lambda (ka) + (prog1 + (list (aref syms ipair) (cdr ka)) + (incf ipair))) + keyargs) + (list ,@(mapcar #'(lambda (ka) + (prog1 + `(cons ,(car ka) ,(aref syms ipair2)) + (incf ipair2))) + keyargs))))) + (defmacro with (tag &rest args) + "Return a list of keyargs and also the body of LML form" (let ((body '()) (keyargs '()) - (n (length args))) - (do ((i 0 (1+ i))) - ((> i (1- n))) - (let ((arg (nth i args)) - (value (when (< (1+ i) n) - (nth (1+ i) args)))) - (if (keyword-symbol? arg) - (progn - (push (list arg value) keyargs) - (incf i)) - (push arg body)))) - `(with-keyargs ,tag ,keyargs ,@(nreverse body)))) - - -(defmacro keyargs-string (&rest args) - "Returns a string of attributes and values. Result contains a leading space." - (let ((keyarg-list '())) - (loop for ( name val ) on args by #'cddr - do - (when val - (push (one-keyarg-string name val) keyarg-list))) - (list-to-spaced-string (nreverse keyarg-list)))) - + (bound-keyargs (gensym))) + (do* ((n (length args)) + (i 0 (+ 2 i)) + (arg (nth i args) (nth i args)) + (value (when (< (1+ i) n) + (nth (1+ i) args)) + (when (< (1+ i) n) + (nth (1+ i) args)))) + ((or (not (keyword-symbol? arg)) + (>= i n)) + (dotimes (j (- n i)) + (push (nth (+ i j) args) body))) + (push (cons arg value) keyargs)) + (setq keyargs (nreverse keyargs)) + (setq body (nreverse body)) + `(let ((,bound-keyargs ,(macroexpand `(bind-all-keyargs ,keyargs)))) + ,(macroexpand `(with-keyargs ,tag ,bound-keyargs ,@body))))) + +(defmacro with-no-endtag (tag &rest args) + "Return a list of keyargs body of LML form" + (let ((keyargs '()) + (bound-keyargs (gensym))) + (do* ((n (length args)) + (i 0 (+ 2 i)) + (arg (nth i args) (nth i args)) + (value (when (< (1+ i) n) + (nth (1+ i) args)) + (when (< (1+ i) n) + (nth (1+ i) args)))) + ((or (not (keyword-symbol? arg)) + (>= i n))) + (push (cons arg value) keyargs)) + (setq keyargs (nreverse keyargs)) + `(let ((,bound-keyargs ,(macroexpand `(bind-all-keyargs ,keyargs)))) + ,(macroexpand `(with-no-endtag-keyargs ,tag ,bound-keyargs))))) (defmacro xhtml-prologue () `(progn - (lml-print "~A~%" (xml-prologue-string)) - (lml-print "~A~%" (xhtml-prologue-string)))) + (lml-format "~A~%" (xml-prologue-string)) + (lml-format "~A~%" (xhtml-prologue-string)))) -(defmacro link (dest &body body) +(defmacro alink (dest &body body) `(with a :href ,dest ,@body)) -(defmacro link-c (class dest &body body) - `(with a :href ,dest :class ,class ,@body)) +(defmacro alink-c (class dest &body body) + `(with a :href ,dest :class (quote ,class) ,@body)) -(defmacro img (dest &key class id alt style width height align) - (let ((attr - (eval `(keyargs-string :class ,class :id ,id :alt ,alt :style ,style - :width ,width :height ,height :align ,align)))) - `(lml-print ,(format nil "" dest attr)))) +(defmacro img (dest &rest args) + `(with-no-endtag img :src ,dest ,@args)) -(defmacro input (&key name class id type style size maxlength value checked) - (let ((attr - (eval `(keyargs-string :name ,name :class ,class :id ,id :style ,style - :size ,size :maxlength ,maxlength :value ,value - :type ,type :checked ,checked)))) - `(lml-print ,(format nil "" attr)))) +(defmacro input (&rest args) + `(with-no-endtag input ,@args)) -(defmacro meta (name content) - `(with meta :name ,name :content ,content)) +(defmacro link (&rest args) + `(with-no-endtag link ,@args)) -(defmacro meta-key (&key name content http-equiv) - `(with meta :name ,name :content ,content :http-equiv ,http-equiv)) +(defmacro meta (&rest args) + `(with-no-endtag meta ,@args)) -(defmacro br () - `(lml-print "
")) +(defmacro br (&rest args) + `(with-no-endtag br ,@args)) -(defmacro hr () - `(lml-print "
")) +(defmacro hr (&rest args) + `(with-no-endtag hr ,@args)) (defmacro lml-tag-macro (tag) `(progn @@ -170,14 +224,16 @@ (let ((name (intern (format nil "~A-~A" tag :c)))) `(progn (defmacro ,name (&body body) - `(with ,',tag :class ,(car body) ,@(cdr body))) + `(with ,',tag :class (quote ,(car body)) ,@(cdr body))) (export ',name)))) (eval-when (:compile-toplevel :load-toplevel :execute) (defparameter *macro-list* - '(a div span h1 h2 h3 h4 h5 h6 i b p li ul ol table tbody td tr body head - html title pre tt u dl dt dd kbd code form)) - (export '(link link-c br hr img input meta meta-key)) + '(a div span h1 h2 h3 h4 h5 h6 i b p li ul ol table tbody td th tr body + head html title pre tt u dl dt dd kbd code form textarea blockquote + var strong small samp big cite address dfn em q area del ins + object param caption col colgroup script noscript)) + (export '(alink alink br hr img input meta link meta-key)) (export *macro-list*)) (loop for i in *macro-list* @@ -203,64 +259,6 @@ (defun new-string () (make-array 1024 :fill-pointer 0 :adjustable t :element-type 'character)) -(set-macro-character #\[ - #'(lambda (stream char) - (declare (ignore char)) - (let ((forms '()) - (curr-string (new-string)) - (paren-level 0) - (got-comma nil)) - (declare (type fixnum paren-level)) - (do ((ch (read-char stream t nil t) (read-char stream t nil t))) - ((eql ch #\])) - (if got-comma - (if (eql ch #\() - ;; Starting top-level ,( - (progn - #+cmu - (setf curr-string (coerce curr-string `(simple-array character (*)))) - - (push `(lml-print ,curr-string) forms) - (setq curr-string (new-string)) - (setq got-comma nil) - (vector-push #\( curr-string) - (do ((ch (read-char stream t nil t) (Read-char stream t nil t))) - ((and (eql ch #\)) (zerop paren-level))) - (when (eql ch #\]) - (format *trace-output* "Syntax error reading #\]") - (return nil)) - (case ch - (#\( - (incf paren-level)) - (#\) - (decf paren-level))) - (vector-push-extend ch curr-string)) - (vector-push-extend #\) curr-string) - (let ((eval-string (read-from-string curr-string)) - (res (gensym))) - (push - `(let ((,res ,eval-string)) - (when ,res - (lml-print ,res))) - forms)) - (setq curr-string (new-string))) - ;; read comma, then non #\( char - (progn - (unless (eql ch #\,) - (setq got-comma nil)) - (vector-push-extend #\, curr-string) ;; push previous command - (vector-push-extend ch curr-string))) - ;; previous character is not a comma - (if (eql ch #\,) - (setq got-comma t) - (progn - (setq got-comma nil) - (vector-push-extend ch curr-string))))) - - #+cmu - (setf curr-string (coerce curr-string `(simple-array character (*)))) - - (push `(lml-print ,curr-string) forms) - `(progn ,@(nreverse forms))))) +