1 /*
   2  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 /*
  26  * Copyright (C) 2004-2011
  27  *
  28  * Permission is hereby granted, free of charge, to any person obtaining a copy
  29  * of this software and associated documentation files (the "Software"), to deal
  30  * in the Software without restriction, including without limitation the rights
  31  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  32  * copies of the Software, and to permit persons to whom the Software is
  33  * furnished to do so, subject to the following conditions:
  34  *
  35  * The above copyright notice and this permission notice shall be included in
  36  * all copies or substantial portions of the Software.
  37  *
  38  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  39  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  40  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  41  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  42  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  43  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  44  * THE SOFTWARE.
  45  */
  46 package com.sun.xml.internal.rngom.digested;
  47 
  48 import com.sun.xml.internal.rngom.ast.builder.Annotations;
  49 import com.sun.xml.internal.rngom.ast.builder.BuildException;
  50 import com.sun.xml.internal.rngom.ast.builder.Include;
  51 import com.sun.xml.internal.rngom.ast.builder.IncludedGrammar;
  52 import com.sun.xml.internal.rngom.ast.builder.Scope;
  53 import com.sun.xml.internal.rngom.ast.om.Location;
  54 import com.sun.xml.internal.rngom.ast.om.ParsedPattern;
  55 import com.sun.xml.internal.rngom.parse.IllegalSchemaException;
  56 import com.sun.xml.internal.rngom.parse.Parseable;
  57 
  58 import java.util.HashSet;
  59 import java.util.Set;
  60 
  61 /**
  62  * @author Kohsuke Kawaguchi (kk@kohsuke.org)
  63  */
  64 final class IncludeImpl extends GrammarBuilderImpl implements Include {
  65 
  66     private Set overridenPatterns = new HashSet();
  67     private boolean startOverriden = false;
  68 
  69     public IncludeImpl(DGrammarPattern p, Scope parent, DSchemaBuilderImpl sb) {
  70         super(p, parent, sb);
  71     }
  72 
  73     @Override
  74     public void define(String name, Combine combine, ParsedPattern pattern, Location loc, Annotations anno) throws BuildException {
  75         super.define(name, combine, pattern, loc, anno);
  76         if(name==START)
  77             startOverriden = true;
  78         else
  79             overridenPatterns.add(name);
  80     }
  81 
  82     public void endInclude(Parseable current, String uri, String ns, Location loc, Annotations anno) throws BuildException, IllegalSchemaException {
  83         current.parseInclude(uri,sb,new IncludedGrammarImpl(grammar,parent,sb),ns);
  84     }
  85 
  86     private class IncludedGrammarImpl extends GrammarBuilderImpl implements IncludedGrammar {
  87         public IncludedGrammarImpl(DGrammarPattern p, Scope parent, DSchemaBuilderImpl sb) {
  88             super(p, parent, sb);
  89         }
  90 
  91         @Override
  92         public void define(String name, Combine combine, ParsedPattern pattern, Location loc, Annotations anno) throws BuildException {
  93             // check for overridden pattern
  94             if(name==START) {
  95                 if(startOverriden)
  96                     return;
  97             } else {
  98                 if(overridenPatterns.contains(name))
  99                     return;
 100             }
 101             // otherwise define
 102             super.define(name, combine, pattern, loc, anno);
 103         }
 104 
 105         public ParsedPattern endIncludedGrammar(Location loc, Annotations anno) throws BuildException {
 106             return null;
 107         }
 108     }
 109 }