summaryrefslogtreecommitdiff
path: root/third-party/s-xml/examples
diff options
context:
space:
mode:
Diffstat (limited to 'third-party/s-xml/examples')
-rw-r--r--third-party/s-xml/examples/counter.lisp47
-rw-r--r--third-party/s-xml/examples/echo.lisp64
-rw-r--r--third-party/s-xml/examples/remove-markup.lisp21
-rw-r--r--third-party/s-xml/examples/tracer.lisp57
4 files changed, 189 insertions, 0 deletions
diff --git a/third-party/s-xml/examples/counter.lisp b/third-party/s-xml/examples/counter.lisp
new file mode 100644
index 0000000..0154166
--- /dev/null
+++ b/third-party/s-xml/examples/counter.lisp
@@ -0,0 +1,47 @@
+;;;; -*- mode: lisp -*-
+;;;;
+;;;; $Id: counter.lisp,v 1.1 2008-02-15 13:54:57 scaekenberghe Exp $
+;;;;
+;;;; A simple SSAX counter example that can be used as a performance test
+;;;;
+;;;; Copyright (C) 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)
+
+(defclass count-xml-seed ()
+ ((elements :initform 0)
+ (attributes :initform 0)
+ (characters :initform 0)))
+
+(defun count-xml-new-element-hook (name attributes seed)
+ (declare (ignore name))
+ (incf (slot-value seed 'elements))
+ (incf (slot-value seed 'attributes) (length attributes))
+ seed)
+
+(defun count-xml-text-hook (string seed)
+ (incf (slot-value seed 'characters) (length string))
+ seed)
+
+(defun count-xml (in)
+ "Parse a toplevel XML element from stream in, counting elements, attributes and characters"
+ (start-parse-xml in
+ (make-instance 'xml-parser-state
+ :seed (make-instance 'count-xml-seed)
+ :new-element-hook #'count-xml-new-element-hook
+ :text-hook #'count-xml-text-hook)))
+
+(defun count-xml-file (pathname)
+ "Parse XMl from the file at pathname, counting elements, attributes and characters"
+ (with-open-file (in pathname)
+ (let ((result (count-xml in)))
+ (with-slots (elements attributes characters) result
+ (format t
+ "~a contains ~d XML elements, ~d attributes and ~d characters.~%"
+ pathname elements attributes characters)))))
+
+;;;; eof
diff --git a/third-party/s-xml/examples/echo.lisp b/third-party/s-xml/examples/echo.lisp
new file mode 100644
index 0000000..84e7ea1
--- /dev/null
+++ b/third-party/s-xml/examples/echo.lisp
@@ -0,0 +1,64 @@
+;;;; -*- mode: lisp -*-
+;;;;
+;;;; $Id: echo.lisp,v 1.1 2008-02-15 13:54:57 scaekenberghe Exp $
+;;;;
+;;;; A simple example as well as a useful tool: parse, echo and pretty print XML
+;;;;
+;;;; 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)
+
+(defun indent (stream count)
+ (loop :repeat (* count 2) :do (write-char #\space stream)))
+
+(defclass echo-xml-seed ()
+ ((stream :initarg :stream)
+ (level :initarg :level :initform 0)))
+
+#+NIL
+(defmethod print-object ((seed echo-xml-seed) stream)
+ (with-slots (stream level) seed
+ (print-unreadable-object (seed stream :type t)
+ (format stream "level=~d" level))))
+
+(defun echo-xml-new-element-hook (name attributes seed)
+ (with-slots (stream level) seed
+ (indent stream level)
+ (format stream "<~a" name)
+ (dolist (attribute (reverse attributes))
+ (format stream " ~a=\'" (car attribute))
+ (print-string-xml (cdr attribute) stream)
+ (write-char #\' stream))
+ (format stream ">~%")
+ (incf level)
+ seed))
+
+(defun echo-xml-finish-element-hook (name attributes parent-seed seed)
+ (declare (ignore attributes parent-seed))
+ (with-slots (stream level) seed
+ (decf level)
+ (indent stream level)
+ (format stream "</~a>~%" name)
+ seed))
+
+(defun echo-xml-text-hook (string seed)
+ (with-slots (stream level) seed
+ (indent stream level)
+ (print-string-xml string stream)
+ (terpri stream)
+ seed))
+
+(defun echo-xml (in out)
+ "Parse a toplevel XML element from stream in, echoing and pretty printing the result to stream out"
+ (start-parse-xml in
+ (make-instance 'xml-parser-state
+ :seed (make-instance 'echo-xml-seed :stream out)
+ :new-element-hook #'echo-xml-new-element-hook
+ :finish-element-hook #'echo-xml-finish-element-hook
+ :text-hook #'echo-xml-text-hook)))
+
+;;;; eof
diff --git a/third-party/s-xml/examples/remove-markup.lisp b/third-party/s-xml/examples/remove-markup.lisp
new file mode 100644
index 0000000..95c13b1
--- /dev/null
+++ b/third-party/s-xml/examples/remove-markup.lisp
@@ -0,0 +1,21 @@
+;;;; -*- mode: lisp -*-
+;;;;
+;;;; $Id: remove-markup.lisp,v 1.1 2008-02-15 13:54:57 scaekenberghe Exp $
+;;;;
+;;;; Remove markup from an XML document using the SSAX interface
+;;;;
+;;;; Copyright (C) 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)
+
+(defun remove-xml-markup (in)
+ (let* ((state (make-instance 'xml-parser-state
+ :text-hook #'(lambda (string seed) (cons string seed))))
+ (result (start-parse-xml in state)))
+ (apply #'concatenate 'string (nreverse result))))
+
+;;;; eof \ No newline at end of file
diff --git a/third-party/s-xml/examples/tracer.lisp b/third-party/s-xml/examples/tracer.lisp
new file mode 100644
index 0000000..44782f5
--- /dev/null
+++ b/third-party/s-xml/examples/tracer.lisp
@@ -0,0 +1,57 @@
+;;;; -*- mode: lisp -*-
+;;;;
+;;;; $Id: tracer.lisp,v 1.1 2008-02-15 13:54:57 scaekenberghe Exp $
+;;;;
+;;;; A simple SSAX tracer example that can be used to understand how the hooks are called
+;;;;
+;;;; Copyright (C) 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)
+
+(defun trace-xml-log (level msg &rest args)
+ (indent *standard-output* level)
+ (apply #'format *standard-output* msg args)
+ (terpri *standard-output*))
+
+(defun trace-xml-new-element-hook (name attributes seed)
+ (let ((new-seed (cons (1+ (car seed)) (1+ (cdr seed)))))
+ (trace-xml-log (car seed)
+ "(new-element :name ~s :attributes ~:[()~;~:*~s~] :seed ~s) => ~s"
+ name attributes seed new-seed)
+ new-seed))
+
+(defun trace-xml-finish-element-hook (name attributes parent-seed seed)
+ (let ((new-seed (cons (1- (car seed)) (1+ (cdr seed)))))
+ (trace-xml-log (car parent-seed)
+ "(finish-element :name ~s :attributes ~:[()~;~:*~s~] :parent-seed ~s :seed ~s) => ~s"
+ name attributes parent-seed seed new-seed)
+ new-seed))
+
+(defun trace-xml-text-hook (string seed)
+ (let ((new-seed (cons (car seed) (1+ (cdr seed)))))
+ (trace-xml-log (car seed)
+ "(text :string ~s :seed ~s) => ~s"
+ string seed new-seed)
+ new-seed))
+
+(defun trace-xml (in)
+ "Parse and trace a toplevel XML element from stream in"
+ (start-parse-xml in
+ (make-instance 'xml-parser-state
+ :seed (cons 0 0)
+ ;; seed car is xml element nesting level
+ ;; seed cdr is ever increasing from element to element
+ :new-element-hook #'trace-xml-new-element-hook
+ :finish-element-hook #'trace-xml-finish-element-hook
+ :text-hook #'trace-xml-text-hook)))
+
+(defun trace-xml-file (pathname)
+ "Parse and trace XMl from the file at pathname"
+ (with-open-file (in pathname)
+ (trace-xml in)))
+
+;;;; eof