12:12 a.m.
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