| 1 | /*
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| 2 | * Copyright 2003-2004 The Apache Software Foundation
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | *
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| 16 | */
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| 17 | package org.apache.tools.ant.util;
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| 18 |
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| 19 | import java.io.Reader;
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| 20 | import java.io.IOException;
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| 21 |
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| 22 | /**
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| 23 | * input stream tokenizers implement this interface
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| 24 | *
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| 25 | * @version Ant 1.6
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| 26 | */
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| 27 | public interface Tokenizer {
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| 28 | /**
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| 29 | * get the next token from the input stream
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| 30 | * @param in the input stream
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| 31 | * @return the next token, or null for the end
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| 32 | * of the stream
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| 33 | * @throws IOException if an error occurs
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| 34 | */
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| 35 | String getToken(Reader in)
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| 36 | throws IOException;
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| 37 |
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| 38 | /**
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| 39 | * return the string between tokens, after the
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| 40 | * previous token.
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| 41 | * @return the intra-token string
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| 42 | */
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| 43 | String getPostToken();
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| 44 | }
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