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Posted to commits@commons.apache.org by eb...@apache.org on 2009/06/22 18:52:38 UTC
svn commit: r787313 [1/2] - in
/commons/proper/configuration/branches/configuration2_experimental/src:
main/java/org/apache/commons/configuration2/json/
test/java/org/apache/commons/configuration2/json/ test/resources/
Author: ebourg
Date: Mon Jun 22 16:52:37 2009
New Revision: 787313
URL: http://svn.apache.org/viewvc?rev=787313&view=rev
Log:
Implemented the JSONConfiguration (CONFIGURATION-258)
Added:
commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/
commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONConfiguration.java (with props)
commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParser.java (with props)
commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParser.jj
commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserConstants.java (with props)
commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserTokenManager.java (with props)
commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/ParseException.java (with props)
commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/SimpleCharStream.java (with props)
commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/Token.java (with props)
commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/TokenMgrError.java (with props)
commons/proper/configuration/branches/configuration2_experimental/src/test/java/org/apache/commons/configuration2/json/
commons/proper/configuration/branches/configuration2_experimental/src/test/java/org/apache/commons/configuration2/json/TestJSONConfiguration.java (with props)
commons/proper/configuration/branches/configuration2_experimental/src/test/resources/test.json
Added: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONConfiguration.java
URL: http://svn.apache.org/viewvc/commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONConfiguration.java?rev=787313&view=auto
==============================================================================
--- commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONConfiguration.java (added)
+++ commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONConfiguration.java Mon Jun 22 16:52:37 2009
@@ -0,0 +1,291 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.commons.configuration2.json;
+
+import java.io.File;
+import java.io.PrintWriter;
+import java.io.Reader;
+import java.io.Writer;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.commons.configuration2.AbstractHierarchicalConfiguration;
+import org.apache.commons.configuration2.AbstractHierarchicalFileConfiguration;
+import org.apache.commons.configuration2.Configuration;
+import org.apache.commons.configuration2.ConfigurationException;
+import org.apache.commons.configuration2.HierarchicalConfiguration;
+import org.apache.commons.configuration2.MapConfiguration;
+import org.apache.commons.configuration2.tree.ConfigurationNode;
+import org.apache.commons.configuration2.tree.DefaultConfigurationNode;
+import org.apache.commons.lang.StringEscapeUtils;
+import org.apache.commons.lang.StringUtils;
+
+/**
+ * Configuration based on the JavaScript Object Notation format (JSON).
+ *
+ * <p>The file must begin with an object declaration, it can't start
+ * with an array declaration.</p>
+ *
+ * <pre>
+ * {
+ * "string" : "foo",
+ * "number" : 123456,
+ * "boolean" : true,
+ * "null" : null,
+ * "array" : [ 1, 2, 3 ],
+ * "map" : { "foo" : "bar" }
+ * }
+ * </pre>
+ *
+ * <p>null values are ignored and removed when the configuration is saved.</p>
+ *
+ * @see <a href="http://www.json.org">JavaScript Object Notation homepage</a>
+ * @see <a href="http://tools.ietf.org/html/rfc4627">RFC 4627</a>
+ *
+ * @author Emmanuel Bourg
+ * @version $Revision$, $Date$
+ * @since 1.7
+ */
+public class JSONConfiguration extends AbstractHierarchicalFileConfiguration
+{
+ /** Size of the indentation for the generated file. */
+ private static final int INDENT_SIZE = 4;
+
+ /** The default encoding */
+ private static final String DEFAULT_ENCODING = "UTF-8";
+
+ // initialization block to set the encoding before loading the file in the constructors
+ {
+ setEncoding(DEFAULT_ENCODING);
+ }
+
+ /**
+ * Creates an empty JSONConfiguration object which can be
+ * used to synthesize a new json file by adding values and
+ * then saving().
+ */
+ public JSONConfiguration()
+ {
+ }
+
+ /**
+ * Creates a new instance of <code>JSONConfiguration</code> and
+ * copies the content of the specified configuration into this object.
+ *
+ * @param c the configuration to copy
+ */
+ public JSONConfiguration(AbstractHierarchicalConfiguration<? extends ConfigurationNode> c)
+ {
+ super(c);
+ }
+
+ /**
+ * Creates and loads the configuration from the specified file.
+ *
+ * @param fileName The name of the json file to load.
+ * @throws ConfigurationException Error while loading the json file
+ */
+ public JSONConfiguration(String fileName) throws ConfigurationException
+ {
+ super(fileName);
+ }
+
+ /**
+ * Creates and loads the configuration from the specified file.
+ *
+ * @param file The json file to load.
+ * @throws ConfigurationException Error while loading the json file
+ */
+ public JSONConfiguration(File file) throws ConfigurationException
+ {
+ super(file);
+ }
+
+ /**
+ * Creates and loads the configuration from the specified URL.
+ *
+ * @param url The location of the json file to load.
+ * @throws ConfigurationException Error while loading the json file
+ */
+ public JSONConfiguration(URL url) throws ConfigurationException
+ {
+ super(url);
+ }
+
+ public void load(Reader in) throws ConfigurationException
+ {
+ JSONParser parser = new JSONParser(in);
+ try
+ {
+ AbstractHierarchicalConfiguration<ConfigurationNode> config = parser.parse();
+ setRootNode(config.getRootNode());
+ }
+ catch (ParseException e)
+ {
+ throw new ConfigurationException(e);
+ }
+ }
+
+ public void save(Writer out) throws ConfigurationException
+ {
+ PrintWriter writer = new PrintWriter(out);
+ printNode(writer, 0, getRootNode());
+ writer.flush();
+ }
+
+ /**
+ * Append a node to the writer, indented according to a specific level.
+ */
+ private void printNode(PrintWriter out, int indentLevel, ConfigurationNode node)
+ {
+ String padding = StringUtils.repeat(" ", indentLevel * INDENT_SIZE);
+
+ if (node.getName() != null)
+ {
+ out.print(padding + quoteString(node.getName()) + " : ");
+ }
+
+ List<ConfigurationNode> children = new ArrayList<ConfigurationNode>(node.getChildren());
+ if (!children.isEmpty())
+ {
+ // skip a line, except for the root object
+ if (indentLevel > 0)
+ {
+ out.println();
+ }
+
+ out.println(padding + "{");
+
+ // display the children
+ Iterator<ConfigurationNode> it = children.iterator();
+ while (it.hasNext())
+ {
+ ConfigurationNode child = it.next();
+
+ printNode(out, indentLevel + 1, child);
+
+ if (it.hasNext())
+ {
+ out.println(",");
+ }
+ }
+
+ out.println();
+ out.print(padding + "}");
+ }
+ else if (node.getValue() == null)
+ {
+ out.print("{ }");
+ }
+ else
+ {
+ // display the leaf value
+ printValue(out, indentLevel, node.getValue());
+ }
+ }
+
+ /**
+ * Append a value to the writer, indented according to a specific level.
+ */
+ private void printValue(PrintWriter out, int indentLevel, Object value)
+ {
+ String padding = StringUtils.repeat(" ", indentLevel * INDENT_SIZE);
+
+ if (value instanceof List)
+ {
+ out.print("[");
+ Iterator it = ((List) value).iterator();
+ while (it.hasNext())
+ {
+ out.print(" ");
+ printValue(out, indentLevel + 1, it.next());
+ if (it.hasNext())
+ {
+ out.print(",");
+ }
+ }
+ out.print(" ]");
+ }
+ else if (value instanceof HierarchicalConfiguration)
+ {
+ printNode(out, indentLevel, ((HierarchicalConfiguration) value).getRootNode());
+ }
+ else if (value instanceof Configuration)
+ {
+ // display a flat Configuration as a map
+ Configuration config = (Configuration) value;
+ Iterator it = config.getKeys();
+
+ if (!it.hasNext())
+ {
+ out.print("{ }");
+ }
+ else
+ {
+ out.println();
+ out.println(padding + "{");
+
+ while (it.hasNext())
+ {
+ String key = (String) it.next();
+ ConfigurationNode node = new DefaultConfigurationNode(key);
+ node.setValue(config.getProperty(key));
+
+ printNode(out, indentLevel + 1, node);
+ if (it.hasNext())
+ {
+ out.println(",");
+ }
+ }
+ out.println();
+ out.print(padding + "}");
+ }
+
+ }
+ else if (value instanceof Map)
+ {
+ Map map = (Map) value;
+ printValue(out, indentLevel, new MapConfiguration(map));
+ }
+ else if (value instanceof Number || value instanceof Boolean)
+ {
+ out.print(value.toString());
+ }
+ else if (value != null)
+ {
+ out.print(quoteString(String.valueOf(value)));
+ }
+ }
+
+ /**
+ * Escape the characters using the Java String rules
+ * and surround the result with double quotes.
+ */
+ String quoteString(String s)
+ {
+ if (s == null)
+ {
+ return null;
+ }
+
+ return '"' + StringEscapeUtils.escapeJava(s) + '"';
+ }
+}
Propchange: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONConfiguration.java
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Propchange: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONConfiguration.java
------------------------------------------------------------------------------
svn:keywords = Date Author Id Revision HeadURL
Added: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParser.java
URL: http://svn.apache.org/viewvc/commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParser.java?rev=787313&view=auto
==============================================================================
--- commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParser.java (added)
+++ commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParser.java Mon Jun 22 16:52:37 2009
@@ -0,0 +1,375 @@
+/* Generated By:JavaCC: Do not edit this line. JSONParser.java */
+package org.apache.commons.configuration2.json;
+
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.util.Date;
+import java.util.List;
+import java.util.ArrayList;
+
+import org.apache.commons.configuration2.AbstractHierarchicalConfiguration;
+import org.apache.commons.configuration2.tree.ConfigurationNode;
+import org.apache.commons.configuration2.tree.DefaultConfigurationNode;
+
+import org.apache.commons.lang.StringEscapeUtils;
+
+/**
+ * JavaCC based parser for the JSON format.
+ *
+ * @author Emmanuel Bourg
+ * @version $Revision$, $Date$
+ */
+class JSONParser implements JSONParserConstants {
+
+ /**
+ * Remove the quotes at the beginning and at the end of the specified String.
+ */
+ protected String removeQuotes(String s)
+ {
+ if (s == null)
+ {
+ return null;
+ }
+
+ if (s.startsWith("\"") && s.endsWith("\"") && s.length() >= 2)
+ {
+ s = s.substring(1, s.length() - 1);
+ }
+
+ return s;
+ }
+
+ final public JSONConfiguration parse() throws ParseException {
+ JSONConfiguration configuration = null;
+ configuration = Object();
+ jj_consume_token(0);
+ {if (true) return configuration;}
+ throw new Error("Missing return statement in function");
+ }
+
+ final public JSONConfiguration Object() throws ParseException {
+ List children = new ArrayList();
+ ConfigurationNode child = null;
+ jj_consume_token(OBJECT_BEGIN);
+ switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+ case STRING:
+ child = Property();
+ if (child != null) children.add(child);
+ label_1:
+ while (true) {
+ switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+ case LIST_SEPARATOR:
+ ;
+ break;
+ default:
+ jj_la1[0] = jj_gen;
+ break label_1;
+ }
+ jj_consume_token(LIST_SEPARATOR);
+ child = Property();
+ if (child != null) children.add(child);
+ }
+ break;
+ default:
+ jj_la1[1] = jj_gen;
+ ;
+ }
+ jj_consume_token(OBJECT_END);
+ JSONConfiguration configuration = new JSONConfiguration();
+ ConfigurationNode root = configuration.getRootNode();
+
+ for (int i = 0; i < children.size(); i++)
+ {
+ child = (ConfigurationNode) children.get(i);
+ root.addChild(child);
+ }
+
+ {if (true) return configuration;}
+ throw new Error("Missing return statement in function");
+ }
+
+ final public ConfigurationNode Property() throws ParseException {
+ String key = null;
+ Object value = null;
+ key = String();
+ jj_consume_token(SEPARATOR);
+ value = Value();
+ ConfigurationNode node = null;
+
+ if (value instanceof AbstractHierarchicalConfiguration)
+ {
+ // a configuration is returned when the value is an object
+ AbstractHierarchicalConfiguration config = (AbstractHierarchicalConfiguration) value;
+ node = (ConfigurationNode) config.getRootNode();
+ node.setName(key);
+ }
+ else if (value != null)
+ {
+ node = new DefaultConfigurationNode();
+ node.setValue(value);
+ node.setName(key);
+ }
+
+ {if (true) return node;}
+ throw new Error("Missing return statement in function");
+ }
+
+ final public Object Value() throws ParseException {
+ Object value = null;
+ Token token;
+ switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+ case ARRAY_BEGIN:
+ value = Array();
+ {if (true) return value;}
+ break;
+ case OBJECT_BEGIN:
+ value = Object();
+ {if (true) return value;}
+ break;
+ case STRING:
+ value = String();
+ {if (true) return value;}
+ break;
+ case INTEGER:
+ token = jj_consume_token(INTEGER);
+ {if (true) return new BigInteger(token.image);}
+ break;
+ case REAL:
+ token = jj_consume_token(REAL);
+ {if (true) return new BigDecimal(token.image);}
+ break;
+ case TRUE:
+ token = jj_consume_token(TRUE);
+ {if (true) return Boolean.TRUE;}
+ break;
+ case FALSE:
+ token = jj_consume_token(FALSE);
+ {if (true) return Boolean.FALSE;}
+ break;
+ case NULL:
+ token = jj_consume_token(NULL);
+ {if (true) return null;}
+ break;
+ default:
+ jj_la1[2] = jj_gen;
+ jj_consume_token(-1);
+ throw new ParseException();
+ }
+ throw new Error("Missing return statement in function");
+ }
+
+ final public List Array() throws ParseException {
+ List list = new ArrayList();
+ Object element = null;
+ jj_consume_token(ARRAY_BEGIN);
+ switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+ case ARRAY_BEGIN:
+ case OBJECT_BEGIN:
+ case STRING:
+ case INTEGER:
+ case REAL:
+ case TRUE:
+ case FALSE:
+ case NULL:
+ element = Value();
+ list.add(element);
+ label_2:
+ while (true) {
+ switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+ case LIST_SEPARATOR:
+ ;
+ break;
+ default:
+ jj_la1[3] = jj_gen;
+ break label_2;
+ }
+ jj_consume_token(LIST_SEPARATOR);
+ element = Value();
+ list.add(element);
+ }
+ break;
+ default:
+ jj_la1[4] = jj_gen;
+ ;
+ }
+ jj_consume_token(ARRAY_END);
+ {if (true) return list;}
+ throw new Error("Missing return statement in function");
+ }
+
+ final public String String() throws ParseException {
+ Token token = null;
+ token = jj_consume_token(STRING);
+ {if (true) return StringEscapeUtils.unescapeJava(removeQuotes(token.image));}
+ throw new Error("Missing return statement in function");
+ }
+
+ /** Generated Token Manager. */
+ public JSONParserTokenManager token_source;
+ SimpleCharStream jj_input_stream;
+ /** Current token. */
+ public Token token;
+ /** Next token. */
+ public Token jj_nt;
+ private int jj_ntk;
+ private int jj_gen;
+ final private int[] jj_la1 = new int[5];
+ static private int[] jj_la1_0;
+ static {
+ jj_la1_init_0();
+ }
+ private static void jj_la1_init_0() {
+ jj_la1_0 = new int[] {0x80,0x8000,0x1f8120,0x80,0x1f8120,};
+ }
+
+ /** Constructor with InputStream. */
+ public JSONParser(java.io.InputStream stream) {
+ this(stream, null);
+ }
+ /** Constructor with InputStream and supplied encoding */
+ public JSONParser(java.io.InputStream stream, String encoding) {
+ try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
+ token_source = new JSONParserTokenManager(jj_input_stream);
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ for (int i = 0; i < 5; i++) jj_la1[i] = -1;
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.InputStream stream) {
+ ReInit(stream, null);
+ }
+ /** Reinitialise. */
+ public void ReInit(java.io.InputStream stream, String encoding) {
+ try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
+ token_source.ReInit(jj_input_stream);
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ for (int i = 0; i < 5; i++) jj_la1[i] = -1;
+ }
+
+ /** Constructor. */
+ public JSONParser(java.io.Reader stream) {
+ jj_input_stream = new SimpleCharStream(stream, 1, 1);
+ token_source = new JSONParserTokenManager(jj_input_stream);
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ for (int i = 0; i < 5; i++) jj_la1[i] = -1;
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.Reader stream) {
+ jj_input_stream.ReInit(stream, 1, 1);
+ token_source.ReInit(jj_input_stream);
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ for (int i = 0; i < 5; i++) jj_la1[i] = -1;
+ }
+
+ /** Constructor with generated Token Manager. */
+ public JSONParser(JSONParserTokenManager tm) {
+ token_source = tm;
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ for (int i = 0; i < 5; i++) jj_la1[i] = -1;
+ }
+
+ /** Reinitialise. */
+ public void ReInit(JSONParserTokenManager tm) {
+ token_source = tm;
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ for (int i = 0; i < 5; i++) jj_la1[i] = -1;
+ }
+
+ private Token jj_consume_token(int kind) throws ParseException {
+ Token oldToken;
+ if ((oldToken = token).next != null) token = token.next;
+ else token = token.next = token_source.getNextToken();
+ jj_ntk = -1;
+ if (token.kind == kind) {
+ jj_gen++;
+ return token;
+ }
+ token = oldToken;
+ jj_kind = kind;
+ throw generateParseException();
+ }
+
+
+/** Get the next Token. */
+ final public Token getNextToken() {
+ if (token.next != null) token = token.next;
+ else token = token.next = token_source.getNextToken();
+ jj_ntk = -1;
+ jj_gen++;
+ return token;
+ }
+
+/** Get the specific Token. */
+ final public Token getToken(int index) {
+ Token t = token;
+ for (int i = 0; i < index; i++) {
+ if (t.next != null) t = t.next;
+ else t = t.next = token_source.getNextToken();
+ }
+ return t;
+ }
+
+ private int jj_ntk() {
+ if ((jj_nt=token.next) == null)
+ return (jj_ntk = (token.next=token_source.getNextToken()).kind);
+ else
+ return (jj_ntk = jj_nt.kind);
+ }
+
+ private java.util.List jj_expentries = new java.util.ArrayList();
+ private int[] jj_expentry;
+ private int jj_kind = -1;
+
+ /** Generate ParseException. */
+ public ParseException generateParseException() {
+ jj_expentries.clear();
+ boolean[] la1tokens = new boolean[31];
+ if (jj_kind >= 0) {
+ la1tokens[jj_kind] = true;
+ jj_kind = -1;
+ }
+ for (int i = 0; i < 5; i++) {
+ if (jj_la1[i] == jj_gen) {
+ for (int j = 0; j < 32; j++) {
+ if ((jj_la1_0[i] & (1<<j)) != 0) {
+ la1tokens[j] = true;
+ }
+ }
+ }
+ }
+ for (int i = 0; i < 31; i++) {
+ if (la1tokens[i]) {
+ jj_expentry = new int[1];
+ jj_expentry[0] = i;
+ jj_expentries.add(jj_expentry);
+ }
+ }
+ int[][] exptokseq = new int[jj_expentries.size()][];
+ for (int i = 0; i < jj_expentries.size(); i++) {
+ exptokseq[i] = (int[])jj_expentries.get(i);
+ }
+ return new ParseException(token, exptokseq, tokenImage);
+ }
+
+ /** Enable tracing. */
+ final public void enable_tracing() {
+ }
+
+ /** Disable tracing. */
+ final public void disable_tracing() {
+ }
+
+}
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svn:keywords = Date Author Id Revision HeadURL
Added: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParser.jj
URL: http://svn.apache.org/viewvc/commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParser.jj?rev=787313&view=auto
==============================================================================
--- commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParser.jj (added)
+++ commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParser.jj Mon Jun 22 16:52:37 2009
@@ -0,0 +1,236 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+options {
+ STATIC = false;
+}
+
+
+PARSER_BEGIN(JSONParser)
+
+package org.apache.commons.configuration2.json;
+
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.util.Date;
+import java.util.List;
+import java.util.ArrayList;
+
+import org.apache.commons.configuration2.AbstractHierarchicalConfiguration;
+import org.apache.commons.configuration2.tree.ConfigurationNode;
+import org.apache.commons.configuration2.tree.DefaultConfigurationNode;
+
+import org.apache.commons.lang.StringEscapeUtils;
+
+/**
+ * JavaCC based parser for the JSON format.
+ *
+ * @author Emmanuel Bourg
+ * @version $Revision$, $Date$
+ */
+class JSONParser {
+
+ /**
+ * Remove the quotes at the beginning and at the end of the specified String.
+ */
+ protected String removeQuotes(String s)
+ {
+ if (s == null)
+ {
+ return null;
+ }
+
+ if (s.startsWith("\"") && s.endsWith("\"") && s.length() >= 2)
+ {
+ s = s.substring(1, s.length() - 1);
+ }
+
+ return s;
+ }
+}
+
+PARSER_END(JSONParser)
+
+SKIP : { " " | "\t" | "\n" | "\r" }
+
+TOKEN : { <ARRAY_BEGIN : "[" > }
+TOKEN : { <ARRAY_END : "]" > }
+
+TOKEN : { <LIST_SEPARATOR : "," > }
+
+TOKEN : { <OBJECT_BEGIN : "{" > }
+TOKEN : { <OBJECT_END : "}" > }
+
+TOKEN : { <SEPARATOR : ":" > }
+
+TOKEN : { < QUOTE : "\"" > }
+TOKEN : { < #LETTER : ~["\t", "\n", "\r", "\b", "\f", "\\", "\""] > }
+TOKEN : { < #HEXA : ["0"-"9", "a"-"f", "A"-"F"] > }
+TOKEN : { < #DIGIT : ["0"-"9"] > }
+
+TOKEN : { < STRING : <QUOTE> (<LETTER> | <ESCAPED_CHARACTER>)* <QUOTE> > }
+
+TOKEN : { < INTEGER : ("-")? ( "0" | ["1"-"9"] (<DIGIT>)* ) > }
+TOKEN : { < REAL : <INTEGER> ( "." (<DIGIT>)+ )? ( ("e" | "E") ("+" | "-")? (<DIGIT>)+ )? > }
+
+TOKEN : { <TRUE : "true"> }
+TOKEN : { <FALSE : "false"> }
+TOKEN : { <NULL : "null"> }
+
+TOKEN : { < #ESCAPED_QUOTE : "\\\"" > }
+TOKEN : { < #ESCAPED_BACKSLASH : "\\\\" > }
+TOKEN : { < #ESCAPED_SLASH : "\\/" > }
+TOKEN : { < #ESCAPED_BACKSPACE : "\\b" > }
+TOKEN : { < #ESCAPED_FORMFEED : "\\f" > }
+TOKEN : { < #ESCAPED_NEWLINE : "\\n" > }
+TOKEN : { < #ESCAPED_RETURN : "\\r" > }
+TOKEN : { < #ESCAPED_TAB : "\\t" > }
+TOKEN : { < #ESCAPED_UNICODE : "\\u" <HEXA><HEXA><HEXA><HEXA> >}
+
+TOKEN : { < #ESCAPED_CHARACTER : (<ESCAPED_QUOTE> | <ESCAPED_BACKSLASH> | <ESCAPED_SLASH> | <ESCAPED_BACKSPACE> | <ESCAPED_FORMFEED> | <ESCAPED_NEWLINE> | <ESCAPED_RETURN> | <ESCAPED_TAB> | <ESCAPED_UNICODE>) > }
+
+
+JSONConfiguration parse() :
+{
+ JSONConfiguration configuration = null;
+}
+{
+ configuration = Object()
+ <EOF>
+ { return configuration; }
+}
+
+JSONConfiguration Object() :
+{
+ List children = new ArrayList();
+ ConfigurationNode child = null;
+}
+{
+ <OBJECT_BEGIN>
+ (
+ child = Property()
+ { if (child != null) children.add(child); }
+ (
+ <LIST_SEPARATOR>
+ child = Property()
+ { if (child != null) children.add(child); }
+ )*
+ )?
+ <OBJECT_END>
+ {
+ JSONConfiguration configuration = new JSONConfiguration();
+ ConfigurationNode root = configuration.getRootNode();
+
+ for (int i = 0; i < children.size(); i++)
+ {
+ child = (ConfigurationNode) children.get(i);
+ root.addChild(child);
+ }
+
+ return configuration;
+ }
+}
+
+ConfigurationNode Property() :
+{
+ String key = null;
+ Object value = null;
+}
+{
+ key = String()
+ <SEPARATOR>
+ value = Value()
+ {
+ ConfigurationNode node = null;
+
+ if (value instanceof AbstractHierarchicalConfiguration)
+ {
+ // a configuration is returned when the value is an object
+ AbstractHierarchicalConfiguration config = (AbstractHierarchicalConfiguration) value;
+ node = (ConfigurationNode) config.getRootNode();
+ node.setName(key);
+ }
+ else if (value != null)
+ {
+ node = new DefaultConfigurationNode();
+ node.setValue(value);
+ node.setName(key);
+ }
+
+ return node;
+ }
+}
+
+Object Value() :
+{
+ Object value = null;
+ Token token;
+}
+{
+ value = Array()
+ { return value; }
+ |
+ value = Object()
+ { return value; }
+ |
+ value = String()
+ { return value; }
+ |
+ token = <INTEGER>
+ { return new BigInteger(token.image); }
+ |
+ token = <REAL>
+ { return new BigDecimal(token.image); }
+ |
+ token = <TRUE>
+ { return Boolean.TRUE; }
+ |
+ token = <FALSE>
+ { return Boolean.FALSE; }
+ |
+ token = <NULL>
+ { return null; }
+}
+
+List Array() :
+{
+ List list = new ArrayList();
+ Object element = null;
+}
+{
+ <ARRAY_BEGIN>
+ (
+ element = Value()
+ { list.add(element); }
+ (
+ <LIST_SEPARATOR>
+ element = Value()
+ { list.add(element); }
+ )*
+ )?
+ <ARRAY_END>
+ { return list; }
+}
+
+String String() :
+{
+ Token token = null;
+}
+{
+ token = <STRING>
+ { return StringEscapeUtils.unescapeJava(removeQuotes(token.image)); }
+}
Added: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserConstants.java
URL: http://svn.apache.org/viewvc/commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserConstants.java?rev=787313&view=auto
==============================================================================
--- commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserConstants.java (added)
+++ commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserConstants.java Mon Jun 22 16:52:37 2009
@@ -0,0 +1,104 @@
+/* Generated By:JavaCC: Do not edit this line. JSONParserConstants.java */
+package org.apache.commons.configuration2.json;
+
+
+/**
+ * Token literal values and constants.
+ * Generated by org.javacc.parser.OtherFilesGen#start()
+ */
+interface JSONParserConstants {
+
+ /** End of File. */
+ int EOF = 0;
+ /** RegularExpression Id. */
+ int ARRAY_BEGIN = 5;
+ /** RegularExpression Id. */
+ int ARRAY_END = 6;
+ /** RegularExpression Id. */
+ int LIST_SEPARATOR = 7;
+ /** RegularExpression Id. */
+ int OBJECT_BEGIN = 8;
+ /** RegularExpression Id. */
+ int OBJECT_END = 9;
+ /** RegularExpression Id. */
+ int SEPARATOR = 10;
+ /** RegularExpression Id. */
+ int QUOTE = 11;
+ /** RegularExpression Id. */
+ int LETTER = 12;
+ /** RegularExpression Id. */
+ int HEXA = 13;
+ /** RegularExpression Id. */
+ int DIGIT = 14;
+ /** RegularExpression Id. */
+ int STRING = 15;
+ /** RegularExpression Id. */
+ int INTEGER = 16;
+ /** RegularExpression Id. */
+ int REAL = 17;
+ /** RegularExpression Id. */
+ int TRUE = 18;
+ /** RegularExpression Id. */
+ int FALSE = 19;
+ /** RegularExpression Id. */
+ int NULL = 20;
+ /** RegularExpression Id. */
+ int ESCAPED_QUOTE = 21;
+ /** RegularExpression Id. */
+ int ESCAPED_BACKSLASH = 22;
+ /** RegularExpression Id. */
+ int ESCAPED_SLASH = 23;
+ /** RegularExpression Id. */
+ int ESCAPED_BACKSPACE = 24;
+ /** RegularExpression Id. */
+ int ESCAPED_FORMFEED = 25;
+ /** RegularExpression Id. */
+ int ESCAPED_NEWLINE = 26;
+ /** RegularExpression Id. */
+ int ESCAPED_RETURN = 27;
+ /** RegularExpression Id. */
+ int ESCAPED_TAB = 28;
+ /** RegularExpression Id. */
+ int ESCAPED_UNICODE = 29;
+ /** RegularExpression Id. */
+ int ESCAPED_CHARACTER = 30;
+
+ /** Lexical state. */
+ int DEFAULT = 0;
+
+ /** Literal token values. */
+ String[] tokenImage = {
+ "<EOF>",
+ "\" \"",
+ "\"\\t\"",
+ "\"\\n\"",
+ "\"\\r\"",
+ "\"[\"",
+ "\"]\"",
+ "\",\"",
+ "\"{\"",
+ "\"}\"",
+ "\":\"",
+ "\"\\\"\"",
+ "<LETTER>",
+ "<HEXA>",
+ "<DIGIT>",
+ "<STRING>",
+ "<INTEGER>",
+ "<REAL>",
+ "\"true\"",
+ "\"false\"",
+ "\"null\"",
+ "\"\\\\\\\"\"",
+ "\"\\\\\\\\\"",
+ "\"\\\\/\"",
+ "\"\\\\b\"",
+ "\"\\\\f\"",
+ "\"\\\\n\"",
+ "\"\\\\r\"",
+ "\"\\\\t\"",
+ "<ESCAPED_UNICODE>",
+ "<ESCAPED_CHARACTER>",
+ };
+
+}
Propchange: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserConstants.java
------------------------------------------------------------------------------
svn:eol-style = native
Propchange: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserConstants.java
------------------------------------------------------------------------------
svn:keywords = Date Author Id Revision HeadURL
Added: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserTokenManager.java
URL: http://svn.apache.org/viewvc/commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserTokenManager.java?rev=787313&view=auto
==============================================================================
--- commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserTokenManager.java (added)
+++ commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserTokenManager.java Mon Jun 22 16:52:37 2009
@@ -0,0 +1,615 @@
+/* Generated By:JavaCC: Do not edit this line. JSONParserTokenManager.java */
+package org.apache.commons.configuration2.json;
+
+/** Token Manager. */
+class JSONParserTokenManager implements JSONParserConstants
+{
+
+ /** Debug output. */
+ public java.io.PrintStream debugStream = System.out;
+ /** Set debug output. */
+ public void setDebugStream(java.io.PrintStream ds) { debugStream = ds; }
+private final int jjStopStringLiteralDfa_0(int pos, long active0)
+{
+ switch (pos)
+ {
+ case 0:
+ if ((active0 & 0x800L) != 0L)
+ return 31;
+ return -1;
+ default :
+ return -1;
+ }
+}
+private final int jjStartNfa_0(int pos, long active0)
+{
+ return jjMoveNfa_0(jjStopStringLiteralDfa_0(pos, active0), pos + 1);
+}
+private int jjStopAtPos(int pos, int kind)
+{
+ jjmatchedKind = kind;
+ jjmatchedPos = pos;
+ return pos + 1;
+}
+private int jjMoveStringLiteralDfa0_0()
+{
+ switch(curChar)
+ {
+ case 34:
+ return jjStartNfaWithStates_0(0, 11, 31);
+ case 44:
+ return jjStopAtPos(0, 7);
+ case 58:
+ return jjStopAtPos(0, 10);
+ case 91:
+ return jjStopAtPos(0, 5);
+ case 93:
+ return jjStopAtPos(0, 6);
+ case 102:
+ return jjMoveStringLiteralDfa1_0(0x80000L);
+ case 110:
+ return jjMoveStringLiteralDfa1_0(0x100000L);
+ case 116:
+ return jjMoveStringLiteralDfa1_0(0x40000L);
+ case 123:
+ return jjStopAtPos(0, 8);
+ case 125:
+ return jjStopAtPos(0, 9);
+ default :
+ return jjMoveNfa_0(0, 0);
+ }
+}
+private int jjMoveStringLiteralDfa1_0(long active0)
+{
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) {
+ jjStopStringLiteralDfa_0(0, active0);
+ return 1;
+ }
+ switch(curChar)
+ {
+ case 97:
+ return jjMoveStringLiteralDfa2_0(active0, 0x80000L);
+ case 114:
+ return jjMoveStringLiteralDfa2_0(active0, 0x40000L);
+ case 117:
+ return jjMoveStringLiteralDfa2_0(active0, 0x100000L);
+ default :
+ break;
+ }
+ return jjStartNfa_0(0, active0);
+}
+private int jjMoveStringLiteralDfa2_0(long old0, long active0)
+{
+ if (((active0 &= old0)) == 0L)
+ return jjStartNfa_0(0, old0);
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) {
+ jjStopStringLiteralDfa_0(1, active0);
+ return 2;
+ }
+ switch(curChar)
+ {
+ case 108:
+ return jjMoveStringLiteralDfa3_0(active0, 0x180000L);
+ case 117:
+ return jjMoveStringLiteralDfa3_0(active0, 0x40000L);
+ default :
+ break;
+ }
+ return jjStartNfa_0(1, active0);
+}
+private int jjMoveStringLiteralDfa3_0(long old0, long active0)
+{
+ if (((active0 &= old0)) == 0L)
+ return jjStartNfa_0(1, old0);
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) {
+ jjStopStringLiteralDfa_0(2, active0);
+ return 3;
+ }
+ switch(curChar)
+ {
+ case 101:
+ if ((active0 & 0x40000L) != 0L)
+ return jjStopAtPos(3, 18);
+ break;
+ case 108:
+ if ((active0 & 0x100000L) != 0L)
+ return jjStopAtPos(3, 20);
+ break;
+ case 115:
+ return jjMoveStringLiteralDfa4_0(active0, 0x80000L);
+ default :
+ break;
+ }
+ return jjStartNfa_0(2, active0);
+}
+private int jjMoveStringLiteralDfa4_0(long old0, long active0)
+{
+ if (((active0 &= old0)) == 0L)
+ return jjStartNfa_0(2, old0);
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) {
+ jjStopStringLiteralDfa_0(3, active0);
+ return 4;
+ }
+ switch(curChar)
+ {
+ case 101:
+ if ((active0 & 0x80000L) != 0L)
+ return jjStopAtPos(4, 19);
+ break;
+ default :
+ break;
+ }
+ return jjStartNfa_0(3, active0);
+}
+private int jjStartNfaWithStates_0(int pos, int kind, int state)
+{
+ jjmatchedKind = kind;
+ jjmatchedPos = pos;
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) { return pos + 1; }
+ return jjMoveNfa_0(state, pos + 1);
+}
+static final long[] jjbitVec0 = {
+ 0x0L, 0x0L, 0xffffffffffffffffL, 0xffffffffffffffffL
+};
+private int jjMoveNfa_0(int startState, int curPos)
+{
+ int startsAt = 0;
+ jjnewStateCnt = 31;
+ int i = 1;
+ jjstateSet[0] = startState;
+ int kind = 0x7fffffff;
+ for (;;)
+ {
+ if (++jjround == 0x7fffffff)
+ ReInitRounds();
+ if (curChar < 64)
+ {
+ long l = 1L << curChar;
+ do
+ {
+ switch(jjstateSet[--i])
+ {
+ case 0:
+ if ((0x3fe000000000000L & l) != 0L)
+ {
+ if (kind > 16)
+ kind = 16;
+ jjCheckNAddStates(0, 3);
+ }
+ else if (curChar == 48)
+ {
+ if (kind > 16)
+ kind = 16;
+ jjCheckNAddTwoStates(22, 24);
+ }
+ else if (curChar == 45)
+ jjAddStates(4, 7);
+ else if (curChar == 34)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 31:
+ if ((0xfffffffbffffc8ffL & l) != 0L)
+ jjCheckNAddStates(8, 10);
+ else if (curChar == 34)
+ {
+ if (kind > 15)
+ kind = 15;
+ }
+ break;
+ case 1:
+ if ((0xfffffffbffffc8ffL & l) != 0L)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 2:
+ if (curChar == 34 && kind > 15)
+ kind = 15;
+ break;
+ case 5:
+ if ((0x3ff000000000000L & l) != 0L)
+ jjstateSet[jjnewStateCnt++] = 6;
+ break;
+ case 6:
+ if ((0x3ff000000000000L & l) != 0L)
+ jjstateSet[jjnewStateCnt++] = 7;
+ break;
+ case 7:
+ if ((0x3ff000000000000L & l) != 0L)
+ jjstateSet[jjnewStateCnt++] = 8;
+ break;
+ case 8:
+ if ((0x3ff000000000000L & l) != 0L)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 14:
+ if (curChar == 47)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 16:
+ if (curChar == 34)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 17:
+ if (curChar == 45)
+ jjAddStates(4, 7);
+ break;
+ case 18:
+ if (curChar == 48 && kind > 16)
+ kind = 16;
+ break;
+ case 19:
+ if ((0x3fe000000000000L & l) == 0L)
+ break;
+ if (kind > 16)
+ kind = 16;
+ jjCheckNAdd(20);
+ break;
+ case 20:
+ if ((0x3ff000000000000L & l) == 0L)
+ break;
+ if (kind > 16)
+ kind = 16;
+ jjCheckNAdd(20);
+ break;
+ case 21:
+ if (curChar != 48)
+ break;
+ if (kind > 17)
+ kind = 17;
+ jjCheckNAddTwoStates(22, 24);
+ break;
+ case 22:
+ if (curChar == 46)
+ jjCheckNAdd(23);
+ break;
+ case 23:
+ if ((0x3ff000000000000L & l) == 0L)
+ break;
+ if (kind > 17)
+ kind = 17;
+ jjCheckNAddTwoStates(23, 24);
+ break;
+ case 25:
+ if ((0x280000000000L & l) != 0L)
+ jjCheckNAdd(26);
+ break;
+ case 26:
+ if ((0x3ff000000000000L & l) == 0L)
+ break;
+ if (kind > 17)
+ kind = 17;
+ jjCheckNAdd(26);
+ break;
+ case 27:
+ if ((0x3fe000000000000L & l) == 0L)
+ break;
+ if (kind > 17)
+ kind = 17;
+ jjCheckNAddStates(11, 13);
+ break;
+ case 28:
+ if ((0x3ff000000000000L & l) == 0L)
+ break;
+ if (kind > 17)
+ kind = 17;
+ jjCheckNAddStates(11, 13);
+ break;
+ case 29:
+ if (curChar != 48)
+ break;
+ if (kind > 16)
+ kind = 16;
+ jjCheckNAddTwoStates(22, 24);
+ break;
+ case 30:
+ if ((0x3fe000000000000L & l) == 0L)
+ break;
+ if (kind > 16)
+ kind = 16;
+ jjCheckNAddStates(0, 3);
+ break;
+ default : break;
+ }
+ } while(i != startsAt);
+ }
+ else if (curChar < 128)
+ {
+ long l = 1L << (curChar & 077);
+ do
+ {
+ switch(jjstateSet[--i])
+ {
+ case 31:
+ if ((0xffffffffefffffffL & l) != 0L)
+ jjCheckNAddStates(8, 10);
+ else if (curChar == 92)
+ jjAddStates(14, 22);
+ break;
+ case 1:
+ if ((0xffffffffefffffffL & l) != 0L)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 3:
+ if (curChar == 92)
+ jjAddStates(14, 22);
+ break;
+ case 4:
+ if (curChar == 117)
+ jjstateSet[jjnewStateCnt++] = 5;
+ break;
+ case 5:
+ if ((0x7e0000007eL & l) != 0L)
+ jjstateSet[jjnewStateCnt++] = 6;
+ break;
+ case 6:
+ if ((0x7e0000007eL & l) != 0L)
+ jjstateSet[jjnewStateCnt++] = 7;
+ break;
+ case 7:
+ if ((0x7e0000007eL & l) != 0L)
+ jjstateSet[jjnewStateCnt++] = 8;
+ break;
+ case 8:
+ if ((0x7e0000007eL & l) != 0L)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 9:
+ if (curChar == 116)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 10:
+ if (curChar == 114)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 11:
+ if (curChar == 110)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 12:
+ if (curChar == 102)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 13:
+ if (curChar == 98)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 15:
+ if (curChar == 92)
+ jjCheckNAddStates(8, 10);
+ break;
+ case 24:
+ if ((0x2000000020L & l) != 0L)
+ jjAddStates(23, 24);
+ break;
+ default : break;
+ }
+ } while(i != startsAt);
+ }
+ else
+ {
+ int i2 = (curChar & 0xff) >> 6;
+ long l2 = 1L << (curChar & 077);
+ do
+ {
+ switch(jjstateSet[--i])
+ {
+ case 31:
+ case 1:
+ if ((jjbitVec0[i2] & l2) != 0L)
+ jjCheckNAddStates(8, 10);
+ break;
+ default : break;
+ }
+ } while(i != startsAt);
+ }
+ if (kind != 0x7fffffff)
+ {
+ jjmatchedKind = kind;
+ jjmatchedPos = curPos;
+ kind = 0x7fffffff;
+ }
+ ++curPos;
+ if ((i = jjnewStateCnt) == (startsAt = 31 - (jjnewStateCnt = startsAt)))
+ return curPos;
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) { return curPos; }
+ }
+}
+static final int[] jjnextStates = {
+ 20, 28, 22, 24, 18, 19, 21, 27, 1, 2, 3, 28, 22, 24, 4, 9,
+ 10, 11, 12, 13, 14, 15, 16, 25, 26,
+};
+
+/** Token literal values. */
+public static final String[] jjstrLiteralImages = {
+"", null, null, null, null, "\133", "\135", "\54", "\173", "\175", "\72",
+"\42", null, null, null, null, null, null, "\164\162\165\145",
+"\146\141\154\163\145", "\156\165\154\154", null, null, null, null, null, null, null, null, null, null, };
+
+/** Lexer state names. */
+public static final String[] lexStateNames = {
+ "DEFAULT",
+};
+static final long[] jjtoToken = {
+ 0x1f8fe1L,
+};
+static final long[] jjtoSkip = {
+ 0x1eL,
+};
+protected SimpleCharStream input_stream;
+private final int[] jjrounds = new int[31];
+private final int[] jjstateSet = new int[62];
+protected char curChar;
+/** Constructor. */
+public JSONParserTokenManager(SimpleCharStream stream){
+ if (SimpleCharStream.staticFlag)
+ throw new Error("ERROR: Cannot use a static CharStream class with a non-static lexical analyzer.");
+ input_stream = stream;
+}
+
+/** Constructor. */
+public JSONParserTokenManager(SimpleCharStream stream, int lexState){
+ this(stream);
+ SwitchTo(lexState);
+}
+
+/** Reinitialise parser. */
+public void ReInit(SimpleCharStream stream)
+{
+ jjmatchedPos = jjnewStateCnt = 0;
+ curLexState = defaultLexState;
+ input_stream = stream;
+ ReInitRounds();
+}
+private void ReInitRounds()
+{
+ int i;
+ jjround = 0x80000001;
+ for (i = 31; i-- > 0;)
+ jjrounds[i] = 0x80000000;
+}
+
+/** Reinitialise parser. */
+public void ReInit(SimpleCharStream stream, int lexState)
+{
+ ReInit(stream);
+ SwitchTo(lexState);
+}
+
+/** Switch to specified lex state. */
+public void SwitchTo(int lexState)
+{
+ if (lexState >= 1 || lexState < 0)
+ throw new TokenMgrError("Error: Ignoring invalid lexical state : " + lexState + ". State unchanged.", TokenMgrError.INVALID_LEXICAL_STATE);
+ else
+ curLexState = lexState;
+}
+
+protected Token jjFillToken()
+{
+ final Token t;
+ final String curTokenImage;
+ final int beginLine;
+ final int endLine;
+ final int beginColumn;
+ final int endColumn;
+ String im = jjstrLiteralImages[jjmatchedKind];
+ curTokenImage = (im == null) ? input_stream.GetImage() : im;
+ beginLine = input_stream.getBeginLine();
+ beginColumn = input_stream.getBeginColumn();
+ endLine = input_stream.getEndLine();
+ endColumn = input_stream.getEndColumn();
+ t = Token.newToken(jjmatchedKind, curTokenImage);
+
+ t.beginLine = beginLine;
+ t.endLine = endLine;
+ t.beginColumn = beginColumn;
+ t.endColumn = endColumn;
+
+ return t;
+}
+
+int curLexState = 0;
+int defaultLexState = 0;
+int jjnewStateCnt;
+int jjround;
+int jjmatchedPos;
+int jjmatchedKind;
+
+/** Get the next Token. */
+public Token getNextToken()
+{
+ Token matchedToken;
+ int curPos = 0;
+
+ EOFLoop :
+ for (;;)
+ {
+ try
+ {
+ curChar = input_stream.BeginToken();
+ }
+ catch(java.io.IOException e)
+ {
+ jjmatchedKind = 0;
+ matchedToken = jjFillToken();
+ return matchedToken;
+ }
+
+ try { input_stream.backup(0);
+ while (curChar <= 32 && (0x100002600L & (1L << curChar)) != 0L)
+ curChar = input_stream.BeginToken();
+ }
+ catch (java.io.IOException e1) { continue EOFLoop; }
+ jjmatchedKind = 0x7fffffff;
+ jjmatchedPos = 0;
+ curPos = jjMoveStringLiteralDfa0_0();
+ if (jjmatchedKind != 0x7fffffff)
+ {
+ if (jjmatchedPos + 1 < curPos)
+ input_stream.backup(curPos - jjmatchedPos - 1);
+ if ((jjtoToken[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
+ {
+ matchedToken = jjFillToken();
+ return matchedToken;
+ }
+ else
+ {
+ continue EOFLoop;
+ }
+ }
+ int error_line = input_stream.getEndLine();
+ int error_column = input_stream.getEndColumn();
+ String error_after = null;
+ boolean EOFSeen = false;
+ try { input_stream.readChar(); input_stream.backup(1); }
+ catch (java.io.IOException e1) {
+ EOFSeen = true;
+ error_after = curPos <= 1 ? "" : input_stream.GetImage();
+ if (curChar == '\n' || curChar == '\r') {
+ error_line++;
+ error_column = 0;
+ }
+ else
+ error_column++;
+ }
+ if (!EOFSeen) {
+ input_stream.backup(1);
+ error_after = curPos <= 1 ? "" : input_stream.GetImage();
+ }
+ throw new TokenMgrError(EOFSeen, curLexState, error_line, error_column, error_after, curChar, TokenMgrError.LEXICAL_ERROR);
+ }
+}
+
+private void jjCheckNAdd(int state)
+{
+ if (jjrounds[state] != jjround)
+ {
+ jjstateSet[jjnewStateCnt++] = state;
+ jjrounds[state] = jjround;
+ }
+}
+private void jjAddStates(int start, int end)
+{
+ do {
+ jjstateSet[jjnewStateCnt++] = jjnextStates[start];
+ } while (start++ != end);
+}
+private void jjCheckNAddTwoStates(int state1, int state2)
+{
+ jjCheckNAdd(state1);
+ jjCheckNAdd(state2);
+}
+
+private void jjCheckNAddStates(int start, int end)
+{
+ do {
+ jjCheckNAdd(jjnextStates[start]);
+ } while (start++ != end);
+}
+
+}
Propchange: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/JSONParserTokenManager.java
------------------------------------------------------------------------------
svn:keywords = Date Author Id Revision HeadURL
Added: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/ParseException.java
URL: http://svn.apache.org/viewvc/commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/ParseException.java?rev=787313&view=auto
==============================================================================
--- commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/ParseException.java (added)
+++ commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/ParseException.java Mon Jun 22 16:52:37 2009
@@ -0,0 +1,198 @@
+/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 4.1 */
+/* JavaCCOptions:KEEP_LINE_COL=null */
+package org.apache.commons.configuration2.json;
+
+/**
+ * This exception is thrown when parse errors are encountered.
+ * You can explicitly create objects of this exception type by
+ * calling the method generateParseException in the generated
+ * parser.
+ *
+ * You can modify this class to customize your error reporting
+ * mechanisms so long as you retain the public fields.
+ */
+class ParseException extends Exception {
+
+ /**
+ * This constructor is used by the method "generateParseException"
+ * in the generated parser. Calling this constructor generates
+ * a new object of this type with the fields "currentToken",
+ * "expectedTokenSequences", and "tokenImage" set. The boolean
+ * flag "specialConstructor" is also set to true to indicate that
+ * this constructor was used to create this object.
+ * This constructor calls its super class with the empty string
+ * to force the "toString" method of parent class "Throwable" to
+ * print the error message in the form:
+ * ParseException: <result of getMessage>
+ */
+ public ParseException(Token currentTokenVal,
+ int[][] expectedTokenSequencesVal,
+ String[] tokenImageVal
+ )
+ {
+ super("");
+ specialConstructor = true;
+ currentToken = currentTokenVal;
+ expectedTokenSequences = expectedTokenSequencesVal;
+ tokenImage = tokenImageVal;
+ }
+
+ /**
+ * The following constructors are for use by you for whatever
+ * purpose you can think of. Constructing the exception in this
+ * manner makes the exception behave in the normal way - i.e., as
+ * documented in the class "Throwable". The fields "errorToken",
+ * "expectedTokenSequences", and "tokenImage" do not contain
+ * relevant information. The JavaCC generated code does not use
+ * these constructors.
+ */
+
+ public ParseException() {
+ super();
+ specialConstructor = false;
+ }
+
+ /** Constructor with message. */
+ public ParseException(String message) {
+ super(message);
+ specialConstructor = false;
+ }
+
+ /**
+ * This variable determines which constructor was used to create
+ * this object and thereby affects the semantics of the
+ * "getMessage" method (see below).
+ */
+ protected boolean specialConstructor;
+
+ /**
+ * This is the last token that has been consumed successfully. If
+ * this object has been created due to a parse error, the token
+ * followng this token will (therefore) be the first error token.
+ */
+ public Token currentToken;
+
+ /**
+ * Each entry in this array is an array of integers. Each array
+ * of integers represents a sequence of tokens (by their ordinal
+ * values) that is expected at this point of the parse.
+ */
+ public int[][] expectedTokenSequences;
+
+ /**
+ * This is a reference to the "tokenImage" array of the generated
+ * parser within which the parse error occurred. This array is
+ * defined in the generated ...Constants interface.
+ */
+ public String[] tokenImage;
+
+ /**
+ * This method has the standard behavior when this object has been
+ * created using the standard constructors. Otherwise, it uses
+ * "currentToken" and "expectedTokenSequences" to generate a parse
+ * error message and returns it. If this object has been created
+ * due to a parse error, and you do not catch it (it gets thrown
+ * from the parser), then this method is called during the printing
+ * of the final stack trace, and hence the correct error message
+ * gets displayed.
+ */
+ public String getMessage() {
+ if (!specialConstructor) {
+ return super.getMessage();
+ }
+ StringBuffer expected = new StringBuffer();
+ int maxSize = 0;
+ for (int i = 0; i < expectedTokenSequences.length; i++) {
+ if (maxSize < expectedTokenSequences[i].length) {
+ maxSize = expectedTokenSequences[i].length;
+ }
+ for (int j = 0; j < expectedTokenSequences[i].length; j++) {
+ expected.append(tokenImage[expectedTokenSequences[i][j]]).append(' ');
+ }
+ if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) {
+ expected.append("...");
+ }
+ expected.append(eol).append(" ");
+ }
+ String retval = "Encountered \"";
+ Token tok = currentToken.next;
+ for (int i = 0; i < maxSize; i++) {
+ if (i != 0) retval += " ";
+ if (tok.kind == 0) {
+ retval += tokenImage[0];
+ break;
+ }
+ retval += " " + tokenImage[tok.kind];
+ retval += " \"";
+ retval += add_escapes(tok.image);
+ retval += " \"";
+ tok = tok.next;
+ }
+ retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn;
+ retval += "." + eol;
+ if (expectedTokenSequences.length == 1) {
+ retval += "Was expecting:" + eol + " ";
+ } else {
+ retval += "Was expecting one of:" + eol + " ";
+ }
+ retval += expected.toString();
+ return retval;
+ }
+
+ /**
+ * The end of line string for this machine.
+ */
+ protected String eol = System.getProperty("line.separator", "\n");
+
+ /**
+ * Used to convert raw characters to their escaped version
+ * when these raw version cannot be used as part of an ASCII
+ * string literal.
+ */
+ protected String add_escapes(String str) {
+ StringBuffer retval = new StringBuffer();
+ char ch;
+ for (int i = 0; i < str.length(); i++) {
+ switch (str.charAt(i))
+ {
+ case 0 :
+ continue;
+ case '\b':
+ retval.append("\\b");
+ continue;
+ case '\t':
+ retval.append("\\t");
+ continue;
+ case '\n':
+ retval.append("\\n");
+ continue;
+ case '\f':
+ retval.append("\\f");
+ continue;
+ case '\r':
+ retval.append("\\r");
+ continue;
+ case '\"':
+ retval.append("\\\"");
+ continue;
+ case '\'':
+ retval.append("\\\'");
+ continue;
+ case '\\':
+ retval.append("\\\\");
+ continue;
+ default:
+ if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
+ String s = "0000" + Integer.toString(ch, 16);
+ retval.append("\\u" + s.substring(s.length() - 4, s.length()));
+ } else {
+ retval.append(ch);
+ }
+ continue;
+ }
+ }
+ return retval.toString();
+ }
+
+}
+/* JavaCC - OriginalChecksum=46608e5642e1d408b2732c40e2fb92ea (do not edit this line) */
Propchange: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/ParseException.java
------------------------------------------------------------------------------
svn:eol-style = native
Propchange: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/ParseException.java
------------------------------------------------------------------------------
svn:keywords = Date Author Id Revision HeadURL
Added: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/SimpleCharStream.java
URL: http://svn.apache.org/viewvc/commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/SimpleCharStream.java?rev=787313&view=auto
==============================================================================
--- commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/SimpleCharStream.java (added)
+++ commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/SimpleCharStream.java Mon Jun 22 16:52:37 2009
@@ -0,0 +1,472 @@
+/* Generated By:JavaCC: Do not edit this line. SimpleCharStream.java Version 4.1 */
+/* JavaCCOptions:STATIC=false */
+package org.apache.commons.configuration2.json;
+
+/**
+ * An implementation of interface CharStream, where the stream is assumed to
+ * contain only ASCII characters (without unicode processing).
+ */
+
+class SimpleCharStream
+{
+/** Whether parser is static. */
+ public static final boolean staticFlag = false;
+ int bufsize;
+ int available;
+ int tokenBegin;
+/** Position in buffer. */
+ public int bufpos = -1;
+ protected int bufline[];
+ protected int bufcolumn[];
+
+ protected int column = 0;
+ protected int line = 1;
+
+ protected boolean prevCharIsCR = false;
+ protected boolean prevCharIsLF = false;
+
+ protected java.io.Reader inputStream;
+
+ protected char[] buffer;
+ protected int maxNextCharInd = 0;
+ protected int inBuf = 0;
+ protected int tabSize = 8;
+
+ protected void setTabSize(int i) { tabSize = i; }
+ protected int getTabSize(int i) { return tabSize; }
+
+
+ protected void ExpandBuff(boolean wrapAround)
+ {
+ char[] newbuffer = new char[bufsize + 2048];
+ int newbufline[] = new int[bufsize + 2048];
+ int newbufcolumn[] = new int[bufsize + 2048];
+
+ try
+ {
+ if (wrapAround)
+ {
+ System.arraycopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin);
+ System.arraycopy(buffer, 0, newbuffer,
+ bufsize - tokenBegin, bufpos);
+ buffer = newbuffer;
+
+ System.arraycopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin);
+ System.arraycopy(bufline, 0, newbufline, bufsize - tokenBegin, bufpos);
+ bufline = newbufline;
+
+ System.arraycopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin);
+ System.arraycopy(bufcolumn, 0, newbufcolumn, bufsize - tokenBegin, bufpos);
+ bufcolumn = newbufcolumn;
+
+ maxNextCharInd = (bufpos += (bufsize - tokenBegin));
+ }
+ else
+ {
+ System.arraycopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin);
+ buffer = newbuffer;
+
+ System.arraycopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin);
+ bufline = newbufline;
+
+ System.arraycopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin);
+ bufcolumn = newbufcolumn;
+
+ maxNextCharInd = (bufpos -= tokenBegin);
+ }
+ }
+ catch (Throwable t)
+ {
+ throw new Error(t.getMessage());
+ }
+
+
+ bufsize += 2048;
+ available = bufsize;
+ tokenBegin = 0;
+ }
+
+ protected void FillBuff() throws java.io.IOException
+ {
+ if (maxNextCharInd == available)
+ {
+ if (available == bufsize)
+ {
+ if (tokenBegin > 2048)
+ {
+ bufpos = maxNextCharInd = 0;
+ available = tokenBegin;
+ }
+ else if (tokenBegin < 0)
+ bufpos = maxNextCharInd = 0;
+ else
+ ExpandBuff(false);
+ }
+ else if (available > tokenBegin)
+ available = bufsize;
+ else if ((tokenBegin - available) < 2048)
+ ExpandBuff(true);
+ else
+ available = tokenBegin;
+ }
+
+ int i;
+ try {
+ if ((i = inputStream.read(buffer, maxNextCharInd,
+ available - maxNextCharInd)) == -1)
+ {
+ inputStream.close();
+ throw new java.io.IOException();
+ }
+ else
+ maxNextCharInd += i;
+ return;
+ }
+ catch(java.io.IOException e) {
+ --bufpos;
+ backup(0);
+ if (tokenBegin == -1)
+ tokenBegin = bufpos;
+ throw e;
+ }
+ }
+
+/** Start. */
+ public char BeginToken() throws java.io.IOException
+ {
+ tokenBegin = -1;
+ char c = readChar();
+ tokenBegin = bufpos;
+
+ return c;
+ }
+
+ protected void UpdateLineColumn(char c)
+ {
+ column++;
+
+ if (prevCharIsLF)
+ {
+ prevCharIsLF = false;
+ line += (column = 1);
+ }
+ else if (prevCharIsCR)
+ {
+ prevCharIsCR = false;
+ if (c == '\n')
+ {
+ prevCharIsLF = true;
+ }
+ else
+ line += (column = 1);
+ }
+
+ switch (c)
+ {
+ case '\r' :
+ prevCharIsCR = true;
+ break;
+ case '\n' :
+ prevCharIsLF = true;
+ break;
+ case '\t' :
+ column--;
+ column += (tabSize - (column % tabSize));
+ break;
+ default :
+ break;
+ }
+
+ bufline[bufpos] = line;
+ bufcolumn[bufpos] = column;
+ }
+
+/** Read a character. */
+ public char readChar() throws java.io.IOException
+ {
+ if (inBuf > 0)
+ {
+ --inBuf;
+
+ if (++bufpos == bufsize)
+ bufpos = 0;
+
+ return buffer[bufpos];
+ }
+
+ if (++bufpos >= maxNextCharInd)
+ FillBuff();
+
+ char c = buffer[bufpos];
+
+ UpdateLineColumn(c);
+ return c;
+ }
+
+ /**
+ * @deprecated
+ * @see #getEndColumn
+ */
+
+ public int getColumn() {
+ return bufcolumn[bufpos];
+ }
+
+ /**
+ * @deprecated
+ * @see #getEndLine
+ */
+
+ public int getLine() {
+ return bufline[bufpos];
+ }
+
+ /** Get token end column number. */
+ public int getEndColumn() {
+ return bufcolumn[bufpos];
+ }
+
+ /** Get token end line number. */
+ public int getEndLine() {
+ return bufline[bufpos];
+ }
+
+ /** Get token beginning column number. */
+ public int getBeginColumn() {
+ return bufcolumn[tokenBegin];
+ }
+
+ /** Get token beginning line number. */
+ public int getBeginLine() {
+ return bufline[tokenBegin];
+ }
+
+/** Backup a number of characters. */
+ public void backup(int amount) {
+
+ inBuf += amount;
+ if ((bufpos -= amount) < 0)
+ bufpos += bufsize;
+ }
+
+ /** Constructor. */
+ public SimpleCharStream(java.io.Reader dstream, int startline,
+ int startcolumn, int buffersize)
+ {
+ inputStream = dstream;
+ line = startline;
+ column = startcolumn - 1;
+
+ available = bufsize = buffersize;
+ buffer = new char[buffersize];
+ bufline = new int[buffersize];
+ bufcolumn = new int[buffersize];
+ }
+
+ /** Constructor. */
+ public SimpleCharStream(java.io.Reader dstream, int startline,
+ int startcolumn)
+ {
+ this(dstream, startline, startcolumn, 4096);
+ }
+
+ /** Constructor. */
+ public SimpleCharStream(java.io.Reader dstream)
+ {
+ this(dstream, 1, 1, 4096);
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.Reader dstream, int startline,
+ int startcolumn, int buffersize)
+ {
+ inputStream = dstream;
+ line = startline;
+ column = startcolumn - 1;
+
+ if (buffer == null || buffersize != buffer.length)
+ {
+ available = bufsize = buffersize;
+ buffer = new char[buffersize];
+ bufline = new int[buffersize];
+ bufcolumn = new int[buffersize];
+ }
+ prevCharIsLF = prevCharIsCR = false;
+ tokenBegin = inBuf = maxNextCharInd = 0;
+ bufpos = -1;
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.Reader dstream, int startline,
+ int startcolumn)
+ {
+ ReInit(dstream, startline, startcolumn, 4096);
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.Reader dstream)
+ {
+ ReInit(dstream, 1, 1, 4096);
+ }
+ /** Constructor. */
+ public SimpleCharStream(java.io.InputStream dstream, String encoding, int startline,
+ int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException
+ {
+ this(encoding == null ? new java.io.InputStreamReader(dstream) : new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize);
+ }
+
+ /** Constructor. */
+ public SimpleCharStream(java.io.InputStream dstream, int startline,
+ int startcolumn, int buffersize)
+ {
+ this(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize);
+ }
+
+ /** Constructor. */
+ public SimpleCharStream(java.io.InputStream dstream, String encoding, int startline,
+ int startcolumn) throws java.io.UnsupportedEncodingException
+ {
+ this(dstream, encoding, startline, startcolumn, 4096);
+ }
+
+ /** Constructor. */
+ public SimpleCharStream(java.io.InputStream dstream, int startline,
+ int startcolumn)
+ {
+ this(dstream, startline, startcolumn, 4096);
+ }
+
+ /** Constructor. */
+ public SimpleCharStream(java.io.InputStream dstream, String encoding) throws java.io.UnsupportedEncodingException
+ {
+ this(dstream, encoding, 1, 1, 4096);
+ }
+
+ /** Constructor. */
+ public SimpleCharStream(java.io.InputStream dstream)
+ {
+ this(dstream, 1, 1, 4096);
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream, String encoding, int startline,
+ int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException
+ {
+ ReInit(encoding == null ? new java.io.InputStreamReader(dstream) : new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize);
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream, int startline,
+ int startcolumn, int buffersize)
+ {
+ ReInit(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize);
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream, String encoding) throws java.io.UnsupportedEncodingException
+ {
+ ReInit(dstream, encoding, 1, 1, 4096);
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream)
+ {
+ ReInit(dstream, 1, 1, 4096);
+ }
+ /** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream, String encoding, int startline,
+ int startcolumn) throws java.io.UnsupportedEncodingException
+ {
+ ReInit(dstream, encoding, startline, startcolumn, 4096);
+ }
+ /** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream, int startline,
+ int startcolumn)
+ {
+ ReInit(dstream, startline, startcolumn, 4096);
+ }
+ /** Get token literal value. */
+ public String GetImage()
+ {
+ if (bufpos >= tokenBegin)
+ return new String(buffer, tokenBegin, bufpos - tokenBegin + 1);
+ else
+ return new String(buffer, tokenBegin, bufsize - tokenBegin) +
+ new String(buffer, 0, bufpos + 1);
+ }
+
+ /** Get the suffix. */
+ public char[] GetSuffix(int len)
+ {
+ char[] ret = new char[len];
+
+ if ((bufpos + 1) >= len)
+ System.arraycopy(buffer, bufpos - len + 1, ret, 0, len);
+ else
+ {
+ System.arraycopy(buffer, bufsize - (len - bufpos - 1), ret, 0,
+ len - bufpos - 1);
+ System.arraycopy(buffer, 0, ret, len - bufpos - 1, bufpos + 1);
+ }
+
+ return ret;
+ }
+
+ /** Reset buffer when finished. */
+ public void Done()
+ {
+ buffer = null;
+ bufline = null;
+ bufcolumn = null;
+ }
+
+ /**
+ * Method to adjust line and column numbers for the start of a token.
+ */
+ public void adjustBeginLineColumn(int newLine, int newCol)
+ {
+ int start = tokenBegin;
+ int len;
+
+ if (bufpos >= tokenBegin)
+ {
+ len = bufpos - tokenBegin + inBuf + 1;
+ }
+ else
+ {
+ len = bufsize - tokenBegin + bufpos + 1 + inBuf;
+ }
+
+ int i = 0, j = 0, k = 0;
+ int nextColDiff = 0, columnDiff = 0;
+
+ while (i < len &&
+ bufline[j = start % bufsize] == bufline[k = ++start % bufsize])
+ {
+ bufline[j] = newLine;
+ nextColDiff = columnDiff + bufcolumn[k] - bufcolumn[j];
+ bufcolumn[j] = newCol + columnDiff;
+ columnDiff = nextColDiff;
+ i++;
+ }
+
+ if (i < len)
+ {
+ bufline[j] = newLine++;
+ bufcolumn[j] = newCol + columnDiff;
+
+ while (i++ < len)
+ {
+ if (bufline[j = start % bufsize] != bufline[++start % bufsize])
+ bufline[j] = newLine++;
+ else
+ bufline[j] = newLine;
+ }
+ }
+
+ line = bufline[j];
+ column = bufcolumn[j];
+ }
+
+}
+/* JavaCC - OriginalChecksum=a62fe1770aa826ab1ee45bc973522d93 (do not edit this line) */
Propchange: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/SimpleCharStream.java
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svn:keywords = Date Author Id Revision HeadURL
Added: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/Token.java
URL: http://svn.apache.org/viewvc/commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/Token.java?rev=787313&view=auto
==============================================================================
--- commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/Token.java (added)
+++ commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/Token.java Mon Jun 22 16:52:37 2009
@@ -0,0 +1,124 @@
+/* Generated By:JavaCC: Do not edit this line. Token.java Version 4.1 */
+/* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null */
+package org.apache.commons.configuration2.json;
+
+/**
+ * Describes the input token stream.
+ */
+
+class Token {
+
+ /**
+ * An integer that describes the kind of this token. This numbering
+ * system is determined by JavaCCParser, and a table of these numbers is
+ * stored in the file ...Constants.java.
+ */
+ public int kind;
+
+ /** The line number of the first character of this Token. */
+ public int beginLine;
+ /** The column number of the first character of this Token. */
+ public int beginColumn;
+ /** The line number of the last character of this Token. */
+ public int endLine;
+ /** The column number of the last character of this Token. */
+ public int endColumn;
+
+ /**
+ * The string image of the token.
+ */
+ public String image;
+
+ /**
+ * A reference to the next regular (non-special) token from the input
+ * stream. If this is the last token from the input stream, or if the
+ * token manager has not read tokens beyond this one, this field is
+ * set to null. This is true only if this token is also a regular
+ * token. Otherwise, see below for a description of the contents of
+ * this field.
+ */
+ public Token next;
+
+ /**
+ * This field is used to access special tokens that occur prior to this
+ * token, but after the immediately preceding regular (non-special) token.
+ * If there are no such special tokens, this field is set to null.
+ * When there are more than one such special token, this field refers
+ * to the last of these special tokens, which in turn refers to the next
+ * previous special token through its specialToken field, and so on
+ * until the first special token (whose specialToken field is null).
+ * The next fields of special tokens refer to other special tokens that
+ * immediately follow it (without an intervening regular token). If there
+ * is no such token, this field is null.
+ */
+ public Token specialToken;
+
+ /**
+ * An optional attribute value of the Token.
+ * Tokens which are not used as syntactic sugar will often contain
+ * meaningful values that will be used later on by the compiler or
+ * interpreter. This attribute value is often different from the image.
+ * Any subclass of Token that actually wants to return a non-null value can
+ * override this method as appropriate.
+ */
+ public Object getValue() {
+ return null;
+ }
+
+ /**
+ * No-argument constructor
+ */
+ public Token() {}
+
+ /**
+ * Constructs a new token for the specified Image.
+ */
+ public Token(int kind)
+ {
+ this(kind, null);
+ }
+
+ /**
+ * Constructs a new token for the specified Image and Kind.
+ */
+ public Token(int kind, String image)
+ {
+ this.kind = kind;
+ this.image = image;
+ }
+
+ /**
+ * Returns the image.
+ */
+ public String toString()
+ {
+ return image;
+ }
+
+ /**
+ * Returns a new Token object, by default. However, if you want, you
+ * can create and return subclass objects based on the value of ofKind.
+ * Simply add the cases to the switch for all those special cases.
+ * For example, if you have a subclass of Token called IDToken that
+ * you want to create if ofKind is ID, simply add something like :
+ *
+ * case MyParserConstants.ID : return new IDToken(ofKind, image);
+ *
+ * to the following switch statement. Then you can cast matchedToken
+ * variable to the appropriate type and use sit in your lexical actions.
+ */
+ public static Token newToken(int ofKind, String image)
+ {
+ switch(ofKind)
+ {
+ default : return new Token(ofKind, image);
+ }
+ }
+
+ public static Token newToken(int ofKind)
+ {
+ return newToken(ofKind, null);
+ }
+
+}
+/* JavaCC - OriginalChecksum=6f0170b4d85f2ab7dca3206ba885c0c6 (do not edit this line) */
Propchange: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/Token.java
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Added: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/TokenMgrError.java
URL: http://svn.apache.org/viewvc/commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/TokenMgrError.java?rev=787313&view=auto
==============================================================================
--- commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/TokenMgrError.java (added)
+++ commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/TokenMgrError.java Mon Jun 22 16:52:37 2009
@@ -0,0 +1,140 @@
+/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 4.1 */
+/* JavaCCOptions: */
+package org.apache.commons.configuration2.json;
+
+/** Token Manager Error. */
+class TokenMgrError extends Error
+{
+
+ /*
+ * Ordinals for various reasons why an Error of this type can be thrown.
+ */
+
+ /**
+ * Lexical error occurred.
+ */
+ static final int LEXICAL_ERROR = 0;
+
+ /**
+ * An attempt was made to create a second instance of a static token manager.
+ */
+ static final int STATIC_LEXER_ERROR = 1;
+
+ /**
+ * Tried to change to an invalid lexical state.
+ */
+ static final int INVALID_LEXICAL_STATE = 2;
+
+ /**
+ * Detected (and bailed out of) an infinite loop in the token manager.
+ */
+ static final int LOOP_DETECTED = 3;
+
+ /**
+ * Indicates the reason why the exception is thrown. It will have
+ * one of the above 4 values.
+ */
+ int errorCode;
+
+ /**
+ * Replaces unprintable characters by their escaped (or unicode escaped)
+ * equivalents in the given string
+ */
+ protected static final String addEscapes(String str) {
+ StringBuffer retval = new StringBuffer();
+ char ch;
+ for (int i = 0; i < str.length(); i++) {
+ switch (str.charAt(i))
+ {
+ case 0 :
+ continue;
+ case '\b':
+ retval.append("\\b");
+ continue;
+ case '\t':
+ retval.append("\\t");
+ continue;
+ case '\n':
+ retval.append("\\n");
+ continue;
+ case '\f':
+ retval.append("\\f");
+ continue;
+ case '\r':
+ retval.append("\\r");
+ continue;
+ case '\"':
+ retval.append("\\\"");
+ continue;
+ case '\'':
+ retval.append("\\\'");
+ continue;
+ case '\\':
+ retval.append("\\\\");
+ continue;
+ default:
+ if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
+ String s = "0000" + Integer.toString(ch, 16);
+ retval.append("\\u" + s.substring(s.length() - 4, s.length()));
+ } else {
+ retval.append(ch);
+ }
+ continue;
+ }
+ }
+ return retval.toString();
+ }
+
+ /**
+ * Returns a detailed message for the Error when it is thrown by the
+ * token manager to indicate a lexical error.
+ * Parameters :
+ * EOFSeen : indicates if EOF caused the lexical error
+ * curLexState : lexical state in which this error occurred
+ * errorLine : line number when the error occurred
+ * errorColumn : column number when the error occurred
+ * errorAfter : prefix that was seen before this error occurred
+ * curchar : the offending character
+ * Note: You can customize the lexical error message by modifying this method.
+ */
+ protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) {
+ return("Lexical error at line " +
+ errorLine + ", column " +
+ errorColumn + ". Encountered: " +
+ (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") +
+ "after : \"" + addEscapes(errorAfter) + "\"");
+ }
+
+ /**
+ * You can also modify the body of this method to customize your error messages.
+ * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not
+ * of end-users concern, so you can return something like :
+ *
+ * "Internal Error : Please file a bug report .... "
+ *
+ * from this method for such cases in the release version of your parser.
+ */
+ public String getMessage() {
+ return super.getMessage();
+ }
+
+ /*
+ * Constructors of various flavors follow.
+ */
+
+ /** No arg constructor. */
+ public TokenMgrError() {
+ }
+
+ /** Constructor with message and reason. */
+ public TokenMgrError(String message, int reason) {
+ super(message);
+ errorCode = reason;
+ }
+
+ /** Full Constructor. */
+ public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
+ this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
+ }
+}
+/* JavaCC - OriginalChecksum=d0564c5446b2574de9992e53f27cf91d (do not edit this line) */
Propchange: commons/proper/configuration/branches/configuration2_experimental/src/main/java/org/apache/commons/configuration2/json/TokenMgrError.java
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