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: package org.apache.cocoon.template.expression;
18:
19: import org.xml.sax.Locator;
20: import org.xml.sax.SAXException;
21: import org.xml.sax.SAXParseException;
22:
23: import java.util.List;
24: import java.io.Reader;
25:
26: /**
27: * @version $Id: StringTemplateParser.java 449189 2006-09-23 06:52:29Z crossley $
28: */
29: public interface StringTemplateParser {
30:
31: String ROLE = StringTemplateParser.class.getName();
32:
33: /**
34: * Compile a boolean expression (returns either a Compiled Expression or a
35: * Boolean literal)
36: */
37: JXTExpression compileBoolean(String val, String msg,
38: Locator location) throws SAXException;
39:
40: /**
41: * Compile an integer expression (returns either a Compiled Expression or an
42: * Integer literal)
43: */
44: JXTExpression compileInt(String val, String msg, Locator location)
45: throws SAXException;
46:
47: JXTExpression compileExpr(String inStr, String errorPrefix,
48: Locator location) throws SAXParseException;
49:
50: /**
51: * Parse a set of expressions spaced with literals
52: */
53: List parseSubstitutions(Reader in, String errorPrefix,
54: Locator location) throws SAXParseException;
55:
56: List parseSubstitutions(Reader in) throws Exception;
57: }
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