01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: package org.apache.xerces.impl.dtd.models;
19:
20: import org.apache.xerces.xni.QName;
21:
22: /**
23: * @xerces.internal
24: *
25: * @version $Id: ContentModelValidator.java 446752 2006-09-15 21:55:19Z mrglavas $
26: */
27: public interface ContentModelValidator {
28:
29: //
30: // Methods
31: //
32:
33: /**
34: * validate
35: *
36: * @param children
37: * @param offset
38: * @param length
39: *
40: * @return The value -1 if fully valid, else the 0 based index of the child
41: * that first failed. If the value returned is equal to the number
42: * of children, then the specified children are valid but additional
43: * content is required to reach a valid ending state.
44: */
45: public int validate(QName[] children, int offset, int length);
46:
47: } // interface ContentModelValidator
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