Sun Dec 13 05:24:52 UTC 2009 pix@kepibu.org

* Add element-content as a prereq to matching on an element's textual content

--- old-Oh, Ducks!/package.lisp 2015-09-27 00:41:25.000000000 +0000

+++ new-Oh, Ducks!/package.lisp 2015-09-27 00:41:25.000000000 +0000

@@ -12,6 +12,7 @@

#:element-parent

#:element-attribute

#:element-type

+ #:element-content

#:element-id

#:element-classes

--- old-Oh, Ducks!/traversal/dom.lisp 2015-09-27 00:41:25.000000000 +0000

+++ new-Oh, Ducks!/traversal/dom.lisp 2015-09-27 00:41:25.000000000 +0000

@@ -29,6 +29,14 @@

(defmethod element-type ((element dom:element))

(dom:tag-name element))

+(defmethod element-content ((element dom:element))

+ (mapcar (lambda (node)

+ (typecase node

+ (dom:element node)

+ (dom:text (dom:data node))

+ (t (error "Unsure what to do."))))

+ (coerce (dom:child-nodes element) 'list)))

+

;;; special accessors in case something special needs to happen

(defmethod element-id ((element dom:element))

(element-attribute "id" element))

--- old-Oh, Ducks!/traversal/interface.lisp 2015-09-27 00:41:25.000000000 +0000

+++ new-Oh, Ducks!/traversal/interface.lisp 2015-09-27 00:41:25.000000000 +0000

@@ -13,6 +13,13 @@

(:documentation "Returns the value of the attribute of element, or nil if no such attribute exists."))

(defgeneric element-type (element)

(:documentation "Returns the tag name (type) of element."))

+(defgeneric element-content (element)

+ (:documentation "Returns a string containing the contents of the element, if it contains only textual nodes, or a sequence containing all of the element's child nodes (textual nodes as strings, tag nodes as whatever they'd be under #'element-children).")

+ (:method :around ((element t))

+ (let ((val (call-next-method)))

+ (if (every #'stringp val)

+ (reduce (curry #'concatenate 'string) val)

+ val))))

;;; special accessors in case something special needs to happen

--- old-Oh, Ducks!/traversal/lhtml.lisp 2015-09-27 00:41:25.000000000 +0000

+++ new-Oh, Ducks!/traversal/lhtml.lisp 2015-09-27 00:41:25.000000000 +0000

@@ -23,3 +23,6 @@

(defmethod element-type ((element list))

(car element))

+

+(defmethod element-content ((element list))

+ (cddr element))

--- old-Oh, Ducks!/traversal/pt.lisp 2015-09-27 00:41:25.000000000 +0000

+++ new-Oh, Ducks!/traversal/pt.lisp 2015-09-27 00:41:25.000000000 +0000

@@ -20,3 +20,13 @@

(defmethod element-type ((element chtml:pt))

(chtml:pt-name element))

+

+(defmethod element-content ((element chtml:pt))

+ (mapcar (lambda (node)

+ (cond

+ ((eq :pcdata (chtml:pt-name node))

+ (chtml:pt-attrs node))

+ (t node)))

+ (remove-if (curry #'eq :comment)

+ (chtml:pt-children element)

+ :key #'chtml:pt-name)))