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 * 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
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package com.sun.org.apache.xalan.internal.xsltc.compiler;

import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
import com.sun.org.apache.bcel.internal.generic.GETSTATIC;
import com.sun.org.apache.bcel.internal.generic.INVOKESPECIAL;
import com.sun.org.apache.bcel.internal.generic.INVOKEVIRTUAL;
import com.sun.org.apache.bcel.internal.generic.InstructionList;
import com.sun.org.apache.bcel.internal.generic.NEW;
import com.sun.org.apache.bcel.internal.generic.PUSH;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
import com.sun.org.apache.xml.internal.utils.XML11Char;

Author:Jacek Ambroziak, Santiago Pericas-Geertsen, Morten Jorgensen
/** * @author Jacek Ambroziak * @author Santiago Pericas-Geertsen * @author Morten Jorgensen */
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 element
/** * 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 element
/** * 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 (!XML11Char.isXML11ValidQName(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.
/** * 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.
/** * 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)); } }