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Diffstat (limited to 'src/net/sf/antcontrib/cpptasks/parser/CParser.java')
-rw-r--r-- | src/net/sf/antcontrib/cpptasks/parser/CParser.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/net/sf/antcontrib/cpptasks/parser/CParser.java b/src/net/sf/antcontrib/cpptasks/parser/CParser.java new file mode 100644 index 0000000..d10d889 --- /dev/null +++ b/src/net/sf/antcontrib/cpptasks/parser/CParser.java @@ -0,0 +1,78 @@ +/* + * + * Copyright 2002-2005 The Ant-Contrib project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package net.sf.antcontrib.cpptasks.parser; +import java.io.IOException; +import java.io.Reader; +import java.util.Vector; +/** + * A parser that extracts #include statements from a Reader. + * + * @author Adam Murdoch + * @author Curt Arnold + */ +public final class CParser extends AbstractParser implements Parser { + private final Vector includes = new Vector(); + private AbstractParserState newLineState; + /** + * + * + */ + public CParser() { + AbstractParserState quote = new FilenameState(this, new char[]{'"'}); + AbstractParserState bracket = new FilenameState(this, new char[]{'>'}); + AbstractParserState postE = new PostE(this, bracket, quote); + // + // nclude + // + AbstractParserState e = new LetterState(this, 'e', postE, null); + AbstractParserState d = new LetterState(this, 'd', e, null); + AbstractParserState u = new LetterState(this, 'u', d, null); + AbstractParserState l = new LetterState(this, 'l', u, null); + AbstractParserState c = new LetterState(this, 'c', l, null); + AbstractParserState n = new LetterState(this, 'n', c, null); + // + // mport is equivalent to nclude + // + AbstractParserState t = new LetterState(this, 't', postE, null); + AbstractParserState r = new LetterState(this, 'r', t, null); + AbstractParserState o = new LetterState(this, 'o', r, null); + AbstractParserState p = new LetterState(this, 'p', o, null); + AbstractParserState m = new LetterState(this, 'm', p, null); + // + // switch between + // + AbstractParserState n_m = new BranchState(this, new char[]{'n', 'm'}, + new AbstractParserState[]{n, m}, null); + AbstractParserState i = new WhitespaceOrLetterState(this, 'i', n_m); + newLineState = new WhitespaceOrLetterState(this, '#', i); + } + public void addFilename(String include) { + includes.addElement(include); + } + public String[] getIncludes() { + String[] retval = new String[includes.size()]; + includes.copyInto(retval); + return retval; + } + public AbstractParserState getNewLineState() { + return newLineState; + } + public void parse(Reader reader) throws IOException { + includes.setSize(0); + super.parse(reader); + } +} |