| /* |
| * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package build.tools.cldrconverter; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * Handles parsing of files in Locale Data Markup Language for numberingSystems.xml |
| * and produces a map that uses the keys and values of JRE locale data. |
| */ |
| |
| class NumberingSystemsParseHandler extends AbstractLDMLHandler<String> { |
| |
| NumberingSystemsParseHandler() { |
| } |
| |
| @Override |
| public InputSource resolveEntity(String publicID, String systemID) throws IOException, SAXException { |
| // avoid HTTP traffic to unicode.org |
| if (systemID.startsWith(CLDRConverter.SPPL_LDML_DTD_SYSTEM_ID)) { |
| return new InputSource((new File(CLDRConverter.LOCAL_SPPL_LDML_DTD)).toURI().toString()); |
| } |
| return null; |
| } |
| |
| @Override |
| public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { |
| switch (qName) { |
| case "numberingSystem": |
| numberingSystem: { |
| if ("numeric".equals(attributes.getValue("type"))) { |
| // eg, <numberingSystem id="latn" type="numeric" digits="0123456789"/> |
| String script = attributes.getValue("id"); |
| String digits = attributes.getValue("digits"); |
| |
| if (Character.isSurrogate(digits.charAt(0))) { |
| // DecimalFormatSymbols doesn't support supplementary characters as digit zero. |
| // Replace supplementary digits with latin digits. This is a restriction till JDK-8204092 is resolved. |
| digits = "0123456789"; |
| put(script, digits); |
| break numberingSystem; |
| } |
| // in case digits are in the reversed order, reverse back the order. |
| if (digits.charAt(0) > digits.charAt(digits.length() - 1)) { |
| StringBuilder sb = new StringBuilder(digits); |
| digits = sb.reverse().toString(); |
| } |
| // Check if the order is sequential. |
| char c0 = digits.charAt(0); |
| for (int i = 1; i < digits.length(); i++) { |
| if (digits.charAt(i) != c0 + i) { |
| break numberingSystem; |
| } |
| } |
| |
| // script/digits are acceptable. |
| put(script, digits); |
| } |
| } |
| pushIgnoredContainer(qName); |
| break; |
| case "version": |
| case "generation": |
| pushIgnoredContainer(qName); |
| break; |
| default: |
| // treat anything else as a container |
| pushContainer(qName, attributes); |
| break; |
| } |
| } |
| |
| @Override |
| public void endElement(String uri, String localName, String qName) throws SAXException { |
| assert qName.equals(currentContainer.getqName()) : "current=" + currentContainer.getqName() + ", param=" + qName; |
| currentContainer = currentContainer.getParent(); |
| } |
| } |