| /* |
| * 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. |
| */ |
| /* |
| * $Id$ |
| */ |
| |
| 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.XML11Char; |
| |
| /** |
| * @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 <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 (!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. |
| */ |
| 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)); |
| } |
| } |