org.apache.xalan.xsltc.compiler.util.Util Maven / Gradle / Ivy
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Serializer to write out XML, HTML etc. as a stream of characters from an input DOM or from input
SAX events.
/*
* 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: Util.java 1225577 2011-12-29 15:54:35Z mrglavas $
*/
package org.apache.xalan.xsltc.compiler.util;
import java.util.StringTokenizer;
import org.apache.bcel.generic.Type;
import org.apache.xalan.xsltc.compiler.Constants;
import org.apache.xml.utils.XML11Char;
/**
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
*/
public final class Util {
private static char filesep;
static {
String temp = System.getProperty("file.separator", "/");
filesep = temp.charAt(0);
}
public static String noExtName(String name) {
final int index = name.lastIndexOf('.');
return name.substring(0, index >= 0 ? index : name.length());
}
/**
* Search for both slashes in order to support URLs and
* files.
*/
public static String baseName(String name) {
int index = name.lastIndexOf('\\');
if (index < 0) {
index = name.lastIndexOf('/');
}
if (index >= 0)
return name.substring(index + 1);
else {
int lastColonIndex = name.lastIndexOf(':');
if (lastColonIndex > 0)
return name.substring(lastColonIndex + 1);
else
return name;
}
}
/**
* Search for both slashes in order to support URLs and
* files.
*/
public static String pathName(String name) {
int index = name.lastIndexOf('/');
if (index < 0) {
index = name.lastIndexOf('\\');
}
return name.substring(0, index + 1);
}
/**
* Replace all illegal Java chars by '_'.
*/
public static String toJavaName(String name) {
if (name.length() > 0) {
final StringBuffer result = new StringBuffer();
char ch = name.charAt(0);
result.append(Character.isJavaIdentifierStart(ch) ? ch : '_');
final int n = name.length();
for (int i = 1; i < n; i++) {
ch = name.charAt(i);
result.append(Character.isJavaIdentifierPart(ch) ? ch : '_');
}
return result.toString();
}
return name;
}
public static Type getJCRefType(String signature) {
return Type.getType(signature);
}
public static String internalName(String cname) {
return cname.replace('.', filesep);
}
public static void println(String s) {
System.out.println(s);
}
public static void println(char ch) {
System.out.println(ch);
}
public static void TRACE1() {
System.out.println("TRACE1");
}
public static void TRACE2() {
System.out.println("TRACE2");
}
public static void TRACE3() {
System.out.println("TRACE3");
}
/**
* Replace a certain character in a string with a new substring.
*/
public static String replace(String base, char ch, String str) {
return (base.indexOf(ch) < 0) ? base :
replace(base, String.valueOf(ch), new String[] { str });
}
public static String replace(String base, String delim, String[] str) {
final int len = base.length();
final StringBuffer result = new StringBuffer();
for (int i = 0; i < len; i++) {
final char ch = base.charAt(i);
final int k = delim.indexOf(ch);
if (k >= 0) {
result.append(str[k]);
}
else {
result.append(ch);
}
}
return result.toString();
}
/**
* Replace occurances of '.', '-', '/' and ':'
*/
public static String escape(String input) {
return replace(input, ".-/:",
new String[] { "$dot$", "$dash$", "$slash$", "$colon$" });
}
public static String getLocalName(String qname) {
final int index = qname.lastIndexOf(':');
return (index > 0) ? qname.substring(index + 1) : qname;
}
public static String getPrefix(String qname) {
final int index = qname.lastIndexOf(':');
return (index > 0) ? qname.substring(0, index) :
Constants.EMPTYSTRING;
}
/**
* Checks if the string is a literal (i.e. not an AVT) or not.
*/
public static boolean isLiteral(String str) {
final int length = str.length();
for (int i = 0; i < length - 1; i++) {
if (str.charAt(i) == '{' && str.charAt(i + 1) != '{') {
return false;
}
}
return true;
}
/**
* Checks if the string is valid list of qnames
*/
public static boolean isValidQNames(String str) {
if ((str != null) && (!str.equals(Constants.EMPTYSTRING))) {
final StringTokenizer tokens = new StringTokenizer(str);
while (tokens.hasMoreTokens()) {
if (!XML11Char.isXML11ValidQName(tokens.nextToken())) {
return false;
}
}
}
return true;
}
}