- /*
- * Copyright 2001-2004 The Apache Software Foundation.
- *
- * Licensed 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: DecimalFormatting.java,v 1.14 2004/02/24 03:55:47 zongaro Exp $
- */
-
- 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.XMLChar;
-
- /**
- * @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 (!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));
- }
- }