Author: lincolnthree Date: 2010-06-28 18:12:50 -0400 (Mon, 28 Jun 2010) New Revision: 13315 Added: sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/ sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLLexer.g sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLParser.g sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLTreeParser.g sandbox/encore/src/test/java/org/ sandbox/encore/src/test/java/org/jboss/ sandbox/encore/src/test/java/org/jboss/seam/ sandbox/encore/src/test/java/org/jboss/seam/encore/ sandbox/encore/src/test/java/org/jboss/seam/encore/grammar/ sandbox/encore/src/test/java/org/jboss/seam/encore/grammar/xml/ sandbox/encore/src/test/java/org/jboss/seam/encore/grammar/xml/XMLParserTest.java sandbox/encore/src/test/resources/org/ sandbox/encore/src/test/resources/org/jboss/ sandbox/encore/src/test/resources/org/jboss/seam/ sandbox/encore/src/test/resources/org/jboss/seam/encore/ sandbox/encore/src/test/resources/org/jboss/seam/encore/grammar/ sandbox/encore/src/test/resources/org/jboss/seam/encore/grammar/xml/ sandbox/encore/src/test/resources/org/jboss/seam/encore/grammar/xml/sample.xml Modified: sandbox/encore/pom.xml Log: XML Parser & Test Modified: sandbox/encore/pom.xml =================================================================== --- sandbox/encore/pom.xml 2010-06-28 18:06:58 UTC (rev 13314) +++ sandbox/encore/pom.xml 2010-06-28 22:12:50 UTC (rev 13315) @@ -39,6 +39,12 @@ <version>2.1.1</version> <scope>provided</scope> </dependency> + + <dependency> + <groupId>junit</groupId> + <artifactId>junit</artifactId> + <version>4.8.1</version> + </dependency> </dependencies> <build> Added: sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLLexer.g =================================================================== --- sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLLexer.g (rev 0) +++ sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLLexer.g 2010-06-28 22:12:50 UTC (rev 13315) @@ -0,0 +1,44 @@ +lexer grammar XMLLexer; + +@members { + boolean tagMode = false; +} + +@lexer::header {package org.jboss.seam.encore.grammar.xml;} + +TAG_START_OPEN : '<' { tagMode = true; } ; +TAG_END_OPEN : '</' { tagMode = true; } ; +TAG_CLOSE : { tagMode }?=> '>' { tagMode = false; } ; +TAG_EMPTY_CLOSE : { tagMode }?=> '/>' { tagMode = false; } ; + +ATTR_EQ : { tagMode }?=> '=' ; + +ATTR_VALUE : { tagMode }?=> + ( '"' (~'"')* '"' + | '\'' (~'\'')* '\'' + ) + ; + +PCDATA : { !tagMode }?=> (~'<')+ ; + +GENERIC_ID + : { tagMode }?=> + ( LETTER | '_' | ':') (NAMECHAR)* + ; + +fragment NAMECHAR + : LETTER | DIGIT | '.' | '-' | '_' | ':' + ; + +fragment DIGIT + : '0'..'9' + ; + +fragment LETTER + : 'a'..'z' + | 'A'..'Z' + ; + +WS : { tagMode }?=> + (' '|'\r'|'\t'|'\u000C'|'\n') {$channel=HIDDEN;} + ; Added: sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLParser.g =================================================================== --- sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLParser.g (rev 0) +++ sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLParser.g 2010-06-28 22:12:50 UTC (rev 13315) @@ -0,0 +1,37 @@ +parser grammar XMLParser; + +options { + tokenVocab=XMLLexer; + output=AST; +} + +tokens { + ELEMENT; + ATTRIBUTE; +} + +@parser::header {package org.jboss.seam.encore.grammar.xml;} + +document : element ; + +element + : ( startTag^ + (element + | PCDATA + )* + endTag! + | emptyElement + ) + ; + +startTag : TAG_START_OPEN GENERIC_ID attribute* TAG_CLOSE + -> ^(ELEMENT GENERIC_ID attribute*) + ; + +attribute : GENERIC_ID ATTR_EQ ATTR_VALUE -> ^(ATTRIBUTE GENERIC_ID ATTR_VALUE) ; + +endTag! : TAG_END_OPEN GENERIC_ID TAG_CLOSE; + +emptyElement : TAG_START_OPEN GENERIC_ID attribute* TAG_EMPTY_CLOSE + -> ^(ELEMENT GENERIC_ID attribute*) + ; Added: sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLTreeParser.g =================================================================== --- sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLTreeParser.g (rev 0) +++ sandbox/encore/src/main/antlr3/org/jboss/seam/encore/grammar/xml/XMLTreeParser.g 2010-06-28 22:12:50 UTC (rev 13315) @@ -0,0 +1,26 @@ +tree grammar XMLTreeParser; + +options { + tokenVocab=XMLLexer; + ASTLabelType = Tree; +} + +@header {package org.jboss.seam.encore.grammar.xml;} + +document : element ; + +element + : ^( ELEMENT name=GENERIC_ID + { System.out.print("<"+$name.text); } + ( + ^(ATTRIBUTE attrName=GENERIC_ID value=ATTR_VALUE) + { System.out.print(" "+$attrName.text+"="+$value.text); } + )* + { System.out.println(">"); } + (element + | text=PCDATA + { System.out.print($text.text); } + )* + { System.out.println("</"+$name.text+">"); } + ) + ; \ No newline at end of file Added: sandbox/encore/src/test/java/org/jboss/seam/encore/grammar/xml/XMLParserTest.java =================================================================== --- sandbox/encore/src/test/java/org/jboss/seam/encore/grammar/xml/XMLParserTest.java (rev 0) +++ sandbox/encore/src/test/java/org/jboss/seam/encore/grammar/xml/XMLParserTest.java 2010-06-28 22:12:50 UTC (rev 13315) @@ -0,0 +1,54 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2010, Red Hat, Inc., and individual contributors + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.jboss.seam.encore.grammar.xml; + +import java.net.URL; + +import org.antlr.runtime.ANTLRFileStream; +import org.antlr.runtime.CommonTokenStream; +import org.antlr.runtime.tree.CommonTreeNodeStream; +import org.antlr.runtime.tree.Tree; +import org.junit.Test; + +/** + * @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a> + */ +public class XMLParserTest +{ + @Test + public void testParses() throws Exception + { + URL file = getClass().getClassLoader().getResource("org/jboss/seam/encore/grammar/xml/sample.xml"); + + XMLLexer lexer = new XMLLexer(new ANTLRFileStream(file.getPath())); + + CommonTokenStream tokens = new CommonTokenStream(lexer); + XMLParser parser = new XMLParser(tokens); + XMLParser.document_return root = parser.document(); + System.out.println("tree=" + ((Tree) root.tree).toStringTree()); + String text = ((Tree) root.tree).getText(); + + CommonTreeNodeStream nodes = new CommonTreeNodeStream(root.tree); + XMLTreeParser walker = new XMLTreeParser(nodes); + walker.document(); + } +} Added: sandbox/encore/src/test/resources/org/jboss/seam/encore/grammar/xml/sample.xml =================================================================== --- sandbox/encore/src/test/resources/org/jboss/seam/encore/grammar/xml/sample.xml (rev 0) +++ sandbox/encore/src/test/resources/org/jboss/seam/encore/grammar/xml/sample.xml 2010-06-28 22:12:50 UTC (rev 13315) @@ -0,0 +1,6 @@ +<root level="0"> + <child level="1" /> + <child level="1" > + <child level="2"></child> + </child > +</root> \ No newline at end of file