--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.debug/src/org/graalvm/compiler/debug/CSVUtil.java 2017-02-15 16:58:14.210642706 -0800 @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2016, 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. + * + * 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 org.graalvm.compiler.debug; + +import java.io.PrintStream; + +/** + * Utilities and global definitions for creating CSV output. + */ +public final class CSVUtil { + public static final char SEPARATOR = ';'; + public static final String SEPARATOR_STR = String.valueOf(SEPARATOR); + public static final char QUOTE = '"'; + public static final String QUOTE_STR = String.valueOf(QUOTE); + public static final char ESCAPE = '\\'; + public static final String ESCAPE_STR = String.valueOf(ESCAPE); + public static final String ESCAPED_QUOTE_STR = ESCAPE_STR + QUOTE_STR; + public static final String ESCAPED_ESCAPE_STR = ESCAPE_STR + ESCAPE_STR; + + public static String buildFormatString(String format, int num) { + return buildFormatString(format, SEPARATOR, num); + } + + public static String buildFormatString(String... format) { + return String.join(SEPARATOR_STR, format); + } + + public static String buildFormatString(String format, char separator, int num) { + StringBuilder sb = new StringBuilder(num * (format.length() + 1) - 1); + sb.append(format); + for (int i = 1; i < num; i++) { + sb.append(separator).append(format); + } + return sb.toString(); + } + + public static final class Escape { + + public static PrintStream println(PrintStream out, String format, Object... args) { + return println(out, SEPARATOR, QUOTE, ESCAPE, format, args); + } + + public static LogStream println(LogStream out, String format, Object... args) { + return println(out, SEPARATOR, QUOTE, ESCAPE, format, args); + } + + public static String escape(String str) { + return escape(str, SEPARATOR, QUOTE, ESCAPE); + } + + public static String escapeRaw(String str) { + return escapeRaw(str, QUOTE, ESCAPE); + } + + public static PrintStream println(PrintStream out, char separator, char quote, char escape, String format, Object... args) { + out.printf(format, escapeArgs(separator, quote, escape, args)); + out.println(); + return out; + } + + public static LogStream println(LogStream out, char separator, char quote, char escape, String format, Object... args) { + out.printf(format, escapeArgs(separator, quote, escape, args)); + out.println(); + return out; + } + + private static Object[] escapeArgs(char separator, char quote, char escape, Object... args) { + String separatorStr = String.valueOf(separator); + for (int i = 0; i < args.length; i++) { + Object obj = args[i]; + if (obj instanceof String) { + String str = (String) obj; + if (str.contains(separatorStr)) { + args[i] = escapeRaw(str, quote, escape); + } + } + } + return args; + } + + public static String escape(String str, char separator, char quote, char escape) { + String separatorStr = String.valueOf(separator); + if (str.contains(separatorStr)) { + return escapeRaw(str, quote, escape); + } + return str; + } + + public static String escapeRaw(String str, char quote, char escape) { + String quoteStr = String.valueOf(quote); + String escapeStr = String.valueOf(escape); + String escapedEscapeStr = escapeStr + escape; + String escapedQuoteStr = escapeStr + quote; + String str1 = str.replace(escapeStr, escapedEscapeStr); + String str2 = str1.replace(quoteStr, escapedQuoteStr); + String str3 = quoteStr + str2 + quote; + return str3; + } + } +}