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Diffstat (limited to 'third_party/lisp/s-xml/src/xml-struct-dom.lisp')
| -rw-r--r-- | third_party/lisp/s-xml/src/xml-struct-dom.lisp | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/third_party/lisp/s-xml/src/xml-struct-dom.lisp b/third_party/lisp/s-xml/src/xml-struct-dom.lisp deleted file mode 100644 index 7037388915..0000000000 --- a/third_party/lisp/s-xml/src/xml-struct-dom.lisp +++ /dev/null @@ -1,125 +0,0 @@ -;;;; -*- mode: lisp -*- -;;;; -;;;; $Id: xml-struct-dom.lisp,v 1.2 2005/08/29 15:01:47 scaekenberghe Exp $ -;;;; -;;;; XML-STRUCT implementation of the generic DOM parser and printer. -;;;; -;;;; Copyright (C) 2002, 2004 Sven Van Caekenberghe, Beta Nine BVBA. -;;;; -;;;; You are granted the rights to distribute and use this software -;;;; as governed by the terms of the Lisp Lesser General Public License -;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL. - -(in-package :s-xml) - -;;; xml-element struct datastructure and API - -(defstruct xml-element - name ; :tag-name - attributes ; a assoc list of (:attribute-name . "attribute-value") - children ; a list of children/content either text strings or xml-elements - ) - -(setf (documentation 'xml-element-p 'function) - "Return T when the argument is an xml-element struct" - (documentation 'xml-element-attributes 'function) - "Return the alist of attribute names and values dotted pairs from an xml-element struct" - (documentation 'xml-element-children 'function) - "Return the list of children from an xml-element struct" - (documentation 'xml-element-name 'function) - "Return the name from an xml-element struct" - (documentation 'make-xml-element 'function) - "Make and return a new xml-element struct") - -(defun xml-element-attribute (xml-element key) - "Return the string value of the attribute with name the keyword :key - of xml-element if any, return null if not found" - (let ((pair (assoc key (xml-element-attributes xml-element) :test #'eq))) - (when pair (cdr pair)))) - -(defun (setf xml-element-attribute) (value xml-element key) - "Set the string value of the attribute with name the keyword :key of - xml-element, creating a new attribute if necessary or overwriting an - existing one, returning the value" - (let ((attributes (xml-element-attributes xml-element))) - (if (null attributes) - (push (cons key value) (xml-element-attributes xml-element)) - (let ((pair (assoc key attributes :test #'eq))) - (if pair - (setf (cdr pair) value) - (push (cons key value) (xml-element-attributes xml-element))))) - value)) - -(defun new-xml-element (name &rest children) - "Make a new xml-element with name and children" - (make-xml-element :name name :children children)) - -(defun first-xml-element-child (xml-element) - "Get the first child of an xml-element" - (first (xml-element-children xml-element))) - -(defun xml-equal (xml-1 xml-2) - (and (xml-element-p xml-1) - (xml-element-p xml-2) - (eq (xml-element-name xml-1) - (xml-element-name xml-2)) - (equal (xml-element-attributes xml-1) - (xml-element-attributes xml-2)) - (reduce #'(lambda (&optional (x t) (y t)) (and x y)) - (mapcar #'(lambda (x y) - (or (and (stringp x) (stringp y) (string= x y)) - (xml-equal x y))) - (xml-element-children xml-1) - (xml-element-children xml-2))))) - -;;; printing xml structures - -(defmethod print-xml-dom (xml-element (input-type (eql :xml-struct)) stream pretty level) - (declare (special *namespaces*)) - (let ((*namespaces* (extend-namespaces (xml-element-attributes xml-element) - *namespaces*))) - (write-char #\< stream) - (print-identifier (xml-element-name xml-element) stream) - (loop :for (name . value) :in (xml-element-attributes xml-element) - :do (print-attribute name value stream)) - (let ((children (xml-element-children xml-element))) - (if children - (progn - (write-char #\> stream) - (if (and (= (length children) 1) (stringp (first children))) - (print-string-xml (first children) stream) - (progn - (dolist (child children) - (when pretty (print-spaces (* 2 level) stream)) - (if (stringp child) - (print-string-xml child stream) - (print-xml-dom child input-type stream pretty (1+ level)))) - (when pretty (print-spaces (* 2 (1- level)) stream)))) - (print-closing-tag (xml-element-name xml-element) stream)) - (write-string "/>" stream))))) - -;;; the standard hooks to generate xml-element structs - -(defun standard-new-element-hook (name attributes seed) - (declare (ignore name attributes seed)) - '()) - -(defun standard-finish-element-hook (name attributes parent-seed seed) - (let ((xml-element (make-xml-element :name name - :attributes attributes - :children (nreverse seed)))) - (cons xml-element parent-seed))) - -(defun standard-text-hook (string seed) - (cons string seed)) - -;;; top level standard parser interfaces - -(defmethod parse-xml-dom (stream (output-type (eql :xml-struct))) - (car (start-parse-xml stream - (make-instance 'xml-parser-state - :new-element-hook #'standard-new-element-hook - :finish-element-hook #'standard-finish-element-hook - :text-hook #'standard-text-hook)))) - -;;;; eof |