From ddb83b1fb2d305e0c06fc067d82d6bab5458b0fd Mon Sep 17 00:00:00 2001
From: Matthias Benkard <code@mail.matthias.benkard.de>
Date: Fri, 30 Oct 2009 20:52:07 +0100
Subject: Add third-party XML processing libraries.

Ignore-this: 5ca28497555bf944858ca2f58bc8a62b

darcs-hash:a0b0f9baa7c9b1259e755435db1fb17123630a6c
---
 third-party/s-xml/src/dom.lisp | 75 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 third-party/s-xml/src/dom.lisp

(limited to 'third-party/s-xml/src/dom.lisp')

diff --git a/third-party/s-xml/src/dom.lisp b/third-party/s-xml/src/dom.lisp
new file mode 100644
index 0000000..dcf6e82
--- /dev/null
+++ b/third-party/s-xml/src/dom.lisp
@@ -0,0 +1,75 @@
+;;;; -*- mode: lisp -*-
+;;;;
+;;;; $Id: dom.lisp,v 1.2 2005-08-29 15:01:47 scaekenberghe Exp $
+;;;;
+;;;; This is the generic simple DOM parser and printer interface.
+;;;;
+;;;; 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)
+
+;;; top level DOM parser interface
+
+(defgeneric parse-xml-dom (stream output-type)
+  (:documentation "Parse a character stream as XML and generate a DOM of output-type"))
+
+(defun parse-xml (stream &key (output-type :lxml))
+  "Parse a character stream as XML and generate a DOM of output-type, defaulting to :lxml"
+  (parse-xml-dom stream output-type))
+  
+(defun parse-xml-string (string &key (output-type :lxml))
+  "Parse a string as XML and generate a DOM of output-type, defaulting to :lxml"
+  (with-input-from-string (stream string)
+    (parse-xml-dom stream output-type)))
+
+(defun parse-xml-file (filename &key (output-type :lxml))
+  "Parse a character file as XML and generate a DOM of output-type, defaulting to :lxml"
+  (with-open-file (in filename :direction :input)
+    (parse-xml-dom in output-type)))
+
+;;; top level DOM printer interface
+
+(defgeneric print-xml-dom (dom input-type stream pretty level)
+  (:documentation "Generate XML output on a character stream from a DOM of input-type, optionally pretty printing using level"))
+
+(defun print-xml (dom &key (stream t) (pretty nil) (input-type :lxml) (header))
+  "Generate XML output on a character stream (t by default) from a DOM of input-type (:lxml by default), optionally pretty printing (off by default), or adding a header (none by default)"
+  (when header (format stream header))
+  (when pretty (terpri stream))
+  (print-xml-dom dom input-type stream pretty 1))
+
+(defun print-xml-string (dom &key (pretty nil) (input-type :lxml))
+  "Generate XML output to a string from a DOM of input-type (:lxml by default), optionally pretty printing (off by default)"
+  (with-output-to-string (stream)
+    (print-xml dom :stream stream :pretty pretty :input-type input-type)))
+
+;;; shared/common support functions
+
+(defun print-spaces (n stream &optional (preceding-newline t))
+  (when preceding-newline 
+    (terpri stream))
+  (loop :repeat n 
+        :do (write-char #\Space stream)))
+
+(defun print-solitary-tag (tag stream)
+  (write-char #\< stream) 
+  (print-identifier tag stream) 
+  (write-string "/>" stream))
+
+(defun print-closing-tag (tag stream)
+  (write-string "</" stream) 
+  (print-identifier tag stream) 
+  (write-char #\> stream))
+  
+(defun print-attribute (name value stream)
+  (write-char #\space stream)
+  (print-identifier name stream t)
+  (write-string "=\"" stream)
+  (print-string-xml value stream)
+  (write-char #\" stream))
+
+;;;; eof
-- 
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