src/org/apache/xalan/xsltc/compiler/DecimalFormatting.java - xalan-j - Git at Google

 /*
  * @(#)$Id$
  *
  * The Apache Software License, Version 1.1
  *
  *
  * Copyright (c) 2001-2003 The Apache Software Foundation.  All rights
  * reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * 3. The end-user documentation included with the redistribution,
  *    if any, must include the following acknowledgment:
  *       "This product includes software developed by the
  *        Apache Software Foundation (http://www.apache.org/)."
  *    Alternately, this acknowledgment may appear in the software itself,
  *    if and wherever such third-party acknowledgments normally appear.
  *
  * 4. The names "Xalan" and "Apache Software Foundation" must
  *    not be used to endorse or promote products derived from this
  *    software without prior written permission. For written
  *    permission, please contact apache@apache.org.
  *
  * 5. Products derived from this software may not be called "Apache",
  *    nor may "Apache" appear in their name, without prior written
  *    permission of the Apache Software Foundation.
  *
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  * ====================================================================
  *
  * This software consists of voluntary contributions made by many
  * individuals on behalf of the Apache Software Foundation and was
  * originally based on software copyright (c) 2001, Sun
  * Microsystems., http://www.sun.com.  For more
  * information on the Apache Software Foundation, please see
  * <http://www.apache.org/>.
  *
  * @author Jacek Ambroziak
  * @author Santiago Pericas-Geertsen
  * @author Morten Jorgensen
  *
  */

 package org.apache.xalan.xsltc.compiler;

 import org.apache.bcel.generic.ConstantPoolGen;
 import org.apache.bcel.generic.GETSTATIC;
 import org.apache.bcel.generic.INVOKESPECIAL;
 import org.apache.bcel.generic.INVOKEVIRTUAL;
 import org.apache.bcel.generic.InstructionList;
 import org.apache.bcel.generic.NEW;
 import org.apache.bcel.generic.PUSH;
 import org.apache.xalan.xsltc.compiler.util.ClassGenerator;
 import org.apache.xalan.xsltc.compiler.util.ErrorMsg;
 import org.apache.xalan.xsltc.compiler.util.MethodGenerator;
 import org.apache.xalan.xsltc.compiler.util.Type;
 import org.apache.xalan.xsltc.compiler.util.TypeCheckError;
 import org.apache.xml.utils.XMLChar;

 final class DecimalFormatting extends TopLevelElement {

     private static final String DFS_CLASS = "java.text.DecimalFormatSymbols";
     private static final String DFS_SIG   = "Ljava/text/DecimalFormatSymbols;";

     private QName _name = null;

     /**
      * No type check needed for the <xsl:decimal-formatting/> element
      */
     public Type typeCheck(SymbolTable stable) throws TypeCheckError {
 	return Type.Void;
     }

     /**
      * Parse the name of the <xsl:decimal-formatting/> element
      */
     public void parseContents(Parser parser) {
 	// Get the name of these decimal formatting symbols
         final String name = getAttribute("name");
         if (name.length() > 0) {
             if (!XMLChar.isValidQName(name)){
                 ErrorMsg err = new ErrorMsg(ErrorMsg.INVALID_QNAME_ERR, name, this);
                 parser.reportError(Constants.ERROR, err);
             }
         }
         _name = parser.getQNameIgnoreDefaultNs(name);
         if (_name == null) {
             _name = parser.getQNameIgnoreDefaultNs(EMPTYSTRING);
         }

 	// Check if a set of symbols has already been registered under this name
 	SymbolTable stable = parser.getSymbolTable();
 	if (stable.getDecimalFormatting(_name) != null) {
 	    reportWarning(this, parser, ErrorMsg.SYMBOLS_REDEF_ERR,
 		_name.toString());
 	}
 	else {
 	    stable.addDecimalFormatting(_name, this);
 	}
     }

     /**
      * This method is called when the constructor is compiled in
      * Stylesheet.compileConstructor() and not as the syntax tree is traversed.
      */
     public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

 	ConstantPoolGen cpg = classGen.getConstantPool();
 	InstructionList il = methodGen.getInstructionList();

 	// DecimalFormatSymbols.<init>(Locale);
         // xsl:decimal-format - except for the NaN and infinity attributes.
 	final int init = cpg.addMethodref(DFS_CLASS, "<init>",
                                           "("+LOCALE_SIG+")V");

 	// Push the format name on the stack for call to addDecimalFormat()
 	il.append(classGen.loadTranslet());
 	il.append(new PUSH(cpg, _name.toString()));

 	// Manufacture a DecimalFormatSymbols on the stack
 	// for call to addDecimalFormat()
         // Use the US Locale as the default, as most of its settings
         // are equivalent to the default settings required of
 	il.append(new NEW(cpg.addClass(DFS_CLASS)));
 	il.append(DUP);
         il.append(new GETSTATIC(cpg.addFieldref(LOCALE_CLASS, "US",
                                                 LOCALE_SIG)));
 	il.append(new INVOKESPECIAL(init));

 	String tmp = getAttribute("NaN");
 	if ((tmp == null) || (tmp.equals(EMPTYSTRING))) {
 	    int nan = cpg.addMethodref(DFS_CLASS,
 				       "setNaN", "(Ljava/lang/String;)V");
 	    il.append(DUP);
 	    il.append(new PUSH(cpg, "NaN"));
 	    il.append(new INVOKEVIRTUAL(nan));
 	}

 	tmp = getAttribute("infinity");
 	if ((tmp == null) || (tmp.equals(EMPTYSTRING))) {
 	    int inf = cpg.addMethodref(DFS_CLASS,
 				       "setInfinity",
 				       "(Ljava/lang/String;)V");
 	    il.append(DUP);
 	    il.append(new PUSH(cpg, "Infinity"));
 	    il.append(new INVOKEVIRTUAL(inf));
 	}

 	final int nAttributes = _attributes.getLength();
 	for (int i = 0; i < nAttributes; i++) {
 	    final String name = _attributes.getQName(i);
 	    final String value = _attributes.getValue(i);

 	    boolean valid = true;
 	    int method = 0;

 	    if (name.equals("decimal-separator")) {
 		// DecimalFormatSymbols.setDecimalSeparator();
 		method = cpg.addMethodref(DFS_CLASS,
 					  "setDecimalSeparator", "(C)V");
 	    }
 	    else if (name.equals("grouping-separator")) {
 		method =  cpg.addMethodref(DFS_CLASS,
 					   "setGroupingSeparator", "(C)V");
 	    }
 	    else if (name.equals("minus-sign")) {
 		method = cpg.addMethodref(DFS_CLASS,
 					  "setMinusSign", "(C)V");
 	    }
 	    else if (name.equals("percent")) {
 		method = cpg.addMethodref(DFS_CLASS,
 					  "setPercent", "(C)V");
 	    }
 	    else if (name.equals("per-mille")) {
 		method = cpg.addMethodref(DFS_CLASS,
 					  "setPerMill", "(C)V");
 	    }
 	    else if (name.equals("zero-digit")) {
 		method = cpg.addMethodref(DFS_CLASS,
 					  "setZeroDigit", "(C)V");
 	    }
 	    else if (name.equals("digit")) {
 		method = cpg.addMethodref(DFS_CLASS,
 					  "setDigit", "(C)V");
 	    }
 	    else if (name.equals("pattern-separator")) {
 		method = cpg.addMethodref(DFS_CLASS,
 					  "setPatternSeparator", "(C)V");
 	    }
 	    else if (name.equals("NaN")) {
 		method = cpg.addMethodref(DFS_CLASS,
 					  "setNaN", "(Ljava/lang/String;)V");
 	        il.append(DUP);
 		il.append(new PUSH(cpg, value));
 		il.append(new INVOKEVIRTUAL(method));
 		valid = false;
 	    }
 	    else if (name.equals("infinity")) {
 		method = cpg.addMethodref(DFS_CLASS,
 					  "setInfinity",
 					  "(Ljava/lang/String;)V");
 	        il.append(DUP);
 		il.append(new PUSH(cpg, value));
 		il.append(new INVOKEVIRTUAL(method));
 		valid = false;
 	    }
 	    else {
 		valid = false;
 	    }

 	    if (valid) {
 		il.append(DUP);
 		il.append(new PUSH(cpg, value.charAt(0)));
 		il.append(new INVOKEVIRTUAL(method));
 	    }

 	}

 	final int put = cpg.addMethodref(TRANSLET_CLASS,
 					 "addDecimalFormat",
 					 "("+STRING_SIG+DFS_SIG+")V");
 	il.append(new INVOKEVIRTUAL(put));
     }

     /**
      * Creates the default, nameless, DecimalFormat object in
      * AbstractTranslet's format_symbols hashtable.
      * This should be called for every stylesheet, and the entry
      * may be overridden by later nameless xsl:decimal-format instructions.
      */
     public static void translateDefaultDFS(ClassGenerator classGen,
 					   MethodGenerator methodGen) {

 	ConstantPoolGen cpg = classGen.getConstantPool();
 	InstructionList il = methodGen.getInstructionList();
 	final int init = cpg.addMethodref(DFS_CLASS, "<init>",
                                           "("+LOCALE_SIG+")V");

 	// Push the format name, which is empty, on the stack
 	// for call to addDecimalFormat()
 	il.append(classGen.loadTranslet());
 	il.append(new PUSH(cpg, EMPTYSTRING));

 	// Manufacture a DecimalFormatSymbols on the stack for
 	// call to addDecimalFormat().  Use the US Locale as the
         // default, as most of its settings are equivalent to
         // the default settings required of xsl:decimal-format -
         // except for the NaN and infinity attributes.
 	il.append(new NEW(cpg.addClass(DFS_CLASS)));
 	il.append(DUP);
         il.append(new GETSTATIC(cpg.addFieldref(LOCALE_CLASS, "US",
                                                 LOCALE_SIG)));
 	il.append(new INVOKESPECIAL(init));

 	int nan = cpg.addMethodref(DFS_CLASS,
 				   "setNaN", "(Ljava/lang/String;)V");
 	il.append(DUP);
 	il.append(new PUSH(cpg, "NaN"));
 	il.append(new INVOKEVIRTUAL(nan));

 	int inf = cpg.addMethodref(DFS_CLASS,
 				   "setInfinity",
 				   "(Ljava/lang/String;)V");
 	il.append(DUP);
 	il.append(new PUSH(cpg, "Infinity"));
 	il.append(new INVOKEVIRTUAL(inf));

 	final int put = cpg.addMethodref(TRANSLET_CLASS,
 					 "addDecimalFormat",
 					 "("+STRING_SIG+DFS_SIG+")V");
 	il.append(new INVOKEVIRTUAL(put));
     }
 }
	/*
	* @(#)$Id$
	*
	* The Apache Software License, Version 1.1
	*
	*
	* Copyright (c) 2001-2003 The Apache Software Foundation. All rights
	* reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	*
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	*
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in
	* the documentation and/or other materials provided with the
	* distribution.
	*
	* 3. The end-user documentation included with the redistribution,
	* if any, must include the following acknowledgment:
	* "This product includes software developed by the
	* Apache Software Foundation (http://www.apache.org/)."
	* Alternately, this acknowledgment may appear in the software itself,
	* if and wherever such third-party acknowledgments normally appear.
	*
	* 4. The names "Xalan" and "Apache Software Foundation" must
	* not be used to endorse or promote products derived from this
	* software without prior written permission. For written
	* permission, please contact apache@apache.org.
	*
	* 5. Products derived from this software may not be called "Apache",
	* nor may "Apache" appear in their name, without prior written
	* permission of the Apache Software Foundation.
	*
	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	* ====================================================================
	*
	* This software consists of voluntary contributions made by many
	* individuals on behalf of the Apache Software Foundation and was
	* originally based on software copyright (c) 2001, Sun
	* Microsystems., http://www.sun.com. For more
	* information on the Apache Software Foundation, please see
	* <http://www.apache.org/>.
	*
	* @author Jacek Ambroziak
	* @author Santiago Pericas-Geertsen
	* @author Morten Jorgensen
	*
	*/

	package org.apache.xalan.xsltc.compiler;

	import org.apache.bcel.generic.ConstantPoolGen;
	import org.apache.bcel.generic.GETSTATIC;
	import org.apache.bcel.generic.INVOKESPECIAL;
	import org.apache.bcel.generic.INVOKEVIRTUAL;
	import org.apache.bcel.generic.InstructionList;
	import org.apache.bcel.generic.NEW;
	import org.apache.bcel.generic.PUSH;
	import org.apache.xalan.xsltc.compiler.util.ClassGenerator;
	import org.apache.xalan.xsltc.compiler.util.ErrorMsg;
	import org.apache.xalan.xsltc.compiler.util.MethodGenerator;
	import org.apache.xalan.xsltc.compiler.util.Type;
	import org.apache.xalan.xsltc.compiler.util.TypeCheckError;
	import org.apache.xml.utils.XMLChar;

	final class DecimalFormatting extends TopLevelElement {

	private static final String DFS_CLASS = "java.text.DecimalFormatSymbols";
	private static final String DFS_SIG = "Ljava/text/DecimalFormatSymbols;";

	private QName _name = null;

	/**
	* No type check needed for the <xsl:decimal-formatting/> element
	*/
	public Type typeCheck(SymbolTable stable) throws TypeCheckError {
	return Type.Void;
	}

	/**
	* Parse the name of the <xsl:decimal-formatting/> element
	*/
	public void parseContents(Parser parser) {
	// Get the name of these decimal formatting symbols
	final String name = getAttribute("name");
	if (name.length() > 0) {
	if (!XMLChar.isValidQName(name)){
	ErrorMsg err = new ErrorMsg(ErrorMsg.INVALID_QNAME_ERR, name, this);
	parser.reportError(Constants.ERROR, err);
	}
	}
	_name = parser.getQNameIgnoreDefaultNs(name);
	if (_name == null) {
	_name = parser.getQNameIgnoreDefaultNs(EMPTYSTRING);
	}

	// Check if a set of symbols has already been registered under this name
	SymbolTable stable = parser.getSymbolTable();
	if (stable.getDecimalFormatting(_name) != null) {
	reportWarning(this, parser, ErrorMsg.SYMBOLS_REDEF_ERR,
	_name.toString());
	}
	else {
	stable.addDecimalFormatting(_name, this);
	}
	}

	/**
	* This method is called when the constructor is compiled in
	* Stylesheet.compileConstructor() and not as the syntax tree is traversed.
	*/
	public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

	ConstantPoolGen cpg = classGen.getConstantPool();
	InstructionList il = methodGen.getInstructionList();

	// DecimalFormatSymbols.<init>(Locale);
	// xsl:decimal-format - except for the NaN and infinity attributes.
	final int init = cpg.addMethodref(DFS_CLASS, "<init>",
	"("+LOCALE_SIG+")V");

	// Push the format name on the stack for call to addDecimalFormat()
	il.append(classGen.loadTranslet());
	il.append(new PUSH(cpg, _name.toString()));

	// Manufacture a DecimalFormatSymbols on the stack
	// for call to addDecimalFormat()
	// Use the US Locale as the default, as most of its settings
	// are equivalent to the default settings required of
	il.append(new NEW(cpg.addClass(DFS_CLASS)));
	il.append(DUP);
	il.append(new GETSTATIC(cpg.addFieldref(LOCALE_CLASS, "US",
	LOCALE_SIG)));
	il.append(new INVOKESPECIAL(init));

	String tmp = getAttribute("NaN");
	if ((tmp == null) \|\| (tmp.equals(EMPTYSTRING))) {
	int nan = cpg.addMethodref(DFS_CLASS,
	"setNaN", "(Ljava/lang/String;)V");
	il.append(DUP);
	il.append(new PUSH(cpg, "NaN"));
	il.append(new INVOKEVIRTUAL(nan));
	}

	tmp = getAttribute("infinity");
	if ((tmp == null) \|\| (tmp.equals(EMPTYSTRING))) {
	int inf = cpg.addMethodref(DFS_CLASS,
	"setInfinity",
	"(Ljava/lang/String;)V");
	il.append(DUP);
	il.append(new PUSH(cpg, "Infinity"));
	il.append(new INVOKEVIRTUAL(inf));
	}

	final int nAttributes = _attributes.getLength();
	for (int i = 0; i < nAttributes; i++) {
	final String name = _attributes.getQName(i);
	final String value = _attributes.getValue(i);

	boolean valid = true;
	int method = 0;

	if (name.equals("decimal-separator")) {
	// DecimalFormatSymbols.setDecimalSeparator();
	method = cpg.addMethodref(DFS_CLASS,
	"setDecimalSeparator", "(C)V");
	}
	else if (name.equals("grouping-separator")) {
	method = cpg.addMethodref(DFS_CLASS,
	"setGroupingSeparator", "(C)V");
	}
	else if (name.equals("minus-sign")) {
	method = cpg.addMethodref(DFS_CLASS,
	"setMinusSign", "(C)V");
	}
	else if (name.equals("percent")) {
	method = cpg.addMethodref(DFS_CLASS,
	"setPercent", "(C)V");
	}
	else if (name.equals("per-mille")) {
	method = cpg.addMethodref(DFS_CLASS,
	"setPerMill", "(C)V");
	}
	else if (name.equals("zero-digit")) {
	method = cpg.addMethodref(DFS_CLASS,
	"setZeroDigit", "(C)V");
	}
	else if (name.equals("digit")) {
	method = cpg.addMethodref(DFS_CLASS,
	"setDigit", "(C)V");
	}
	else if (name.equals("pattern-separator")) {
	method = cpg.addMethodref(DFS_CLASS,
	"setPatternSeparator", "(C)V");
	}
	else if (name.equals("NaN")) {
	method = cpg.addMethodref(DFS_CLASS,
	"setNaN", "(Ljava/lang/String;)V");
	il.append(DUP);
	il.append(new PUSH(cpg, value));
	il.append(new INVOKEVIRTUAL(method));
	valid = false;
	}
	else if (name.equals("infinity")) {
	method = cpg.addMethodref(DFS_CLASS,
	"setInfinity",
	"(Ljava/lang/String;)V");
	il.append(DUP);
	il.append(new PUSH(cpg, value));
	il.append(new INVOKEVIRTUAL(method));
	valid = false;
	}
	else {
	valid = false;
	}

	if (valid) {
	il.append(DUP);
	il.append(new PUSH(cpg, value.charAt(0)));
	il.append(new INVOKEVIRTUAL(method));
	}

	}

	final int put = cpg.addMethodref(TRANSLET_CLASS,
	"addDecimalFormat",
	"("+STRING_SIG+DFS_SIG+")V");
	il.append(new INVOKEVIRTUAL(put));
	}

	/**
	* Creates the default, nameless, DecimalFormat object in
	* AbstractTranslet's format_symbols hashtable.
	* This should be called for every stylesheet, and the entry
	* may be overridden by later nameless xsl:decimal-format instructions.
	*/
	public static void translateDefaultDFS(ClassGenerator classGen,
	MethodGenerator methodGen) {

	ConstantPoolGen cpg = classGen.getConstantPool();
	InstructionList il = methodGen.getInstructionList();
	final int init = cpg.addMethodref(DFS_CLASS, "<init>",
	"("+LOCALE_SIG+")V");

	// Push the format name, which is empty, on the stack
	// for call to addDecimalFormat()
	il.append(classGen.loadTranslet());
	il.append(new PUSH(cpg, EMPTYSTRING));

	// Manufacture a DecimalFormatSymbols on the stack for
	// call to addDecimalFormat(). Use the US Locale as the
	// default, as most of its settings are equivalent to
	// the default settings required of xsl:decimal-format -
	// except for the NaN and infinity attributes.
	il.append(new NEW(cpg.addClass(DFS_CLASS)));
	il.append(DUP);
	il.append(new GETSTATIC(cpg.addFieldref(LOCALE_CLASS, "US",
	LOCALE_SIG)));
	il.append(new INVOKESPECIAL(init));

	int nan = cpg.addMethodref(DFS_CLASS,
	"setNaN", "(Ljava/lang/String;)V");
	il.append(DUP);
	il.append(new PUSH(cpg, "NaN"));
	il.append(new INVOKEVIRTUAL(nan));

	int inf = cpg.addMethodref(DFS_CLASS,
	"setInfinity",
	"(Ljava/lang/String;)V");
	il.append(DUP);
	il.append(new PUSH(cpg, "Infinity"));
	il.append(new INVOKEVIRTUAL(inf));

	final int put = cpg.addMethodref(TRANSLET_CLASS,
	"addDecimalFormat",
	"("+STRING_SIG+DFS_SIG+")V");
	il.append(new INVOKEVIRTUAL(put));
	}
	}