StylesheetStripper


1   package com.icl.saxon;
2   import com.icl.saxon.om.*;
3   import com.icl.saxon.expr.*;
4   import com.icl.saxon.output.ProxyEmitter;
5   import com.icl.saxon.pattern.*;
6   import com.icl.saxon.tree.ElementImpl;
7   
8   import org.xml.sax.Attributes  ;
9   
10  import javax.xml.transform.TransformerException  ;
11  
12  
13  /**
14    * The StylesheetStripper refines the Stripper class to do stripping of
15    * whitespace nodes on a stylesheet. This is handled specially (a) because
16    * it is done at compile time, so there is no Controller or Context available, and (b)
17    * because the rules are very simple
18    * @author Michael H. Kay (mhkay@iclway.co.uk)
19    */
20    
21  public class StylesheetStripper extends Stripper
22  {
23  
24      int xsl_text;   // fingerprint of name "xsl:text"
25      
26      /**
27      * Set the rules appropriate for whitespace-stripping in a stylesheet
28      */
29      
30      public void setStylesheetRules(NamePool namePool) {
31          xsl_text = namePool.getFingerprint(Namespace.XSLT, "text");
32      }       
33      
34      /**
35      * Decide whether an element is in the set of white-space preserving element types
36      * @param uri The namespace URI of the element name
37      * @param localname The local part of the element name
38      * @return true if the element is in the set of white-space preserving element types
39      */
40  
41      public boolean isSpacePreserving(int nameCode) {
42          return (nameCode & 0xfffff) == xsl_text;
43      }
44  
45  
46  }   // end of class StylesheetStripper
47  
48  //
49  // The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License");
50  // you may not use this file except in compliance with the License. You may obtain a copy of the
51  // License at http://www.mozilla.org/MPL/ 
52  //
53  // Software distributed under the License is distributed on an "AS IS" basis,
54  // WITHOUT WARRANTY OF ANY KIND, either express or implied.
55  // See the License for the specific language governing rights and limitations under the License. 
56  //
57  // The Original Code is: all this file. 
58  //
59  // The Initial Developer of the Original Code is
60  // Michael Kay of International Computers Limited (mhkay@iclway.co.uk).
61  //
62  // Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved. 
63  //
64  // Contributor(s): none. 
65  //
66
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