| /******************************************************************************* |
| * Copyright (c) 2018 Red Hat Inc. and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Red Hat Inc. - initial version |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.meson.core; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public class MesonUtils { |
| |
| /** |
| * Parse a string containing environment variables into individual VAR=VALUE pairs. |
| * |
| * @param envString - String to parse |
| * @return List of var=value Strings |
| */ |
| public static List<String> stripEnvVars(String envString) { |
| Pattern p1 = Pattern.compile("(\\w+[=]\\\".*?\\\").*"); //$NON-NLS-1$ |
| Pattern p2 = Pattern.compile("(\\w+[=]'.*?').*"); //$NON-NLS-1$ |
| Pattern p3 = Pattern.compile("(\\w+[=][^\\s]+).*"); //$NON-NLS-1$ |
| boolean finished = false; |
| List<String> envVars = new ArrayList<>(); |
| while (!finished) { |
| Matcher m1 = p1.matcher(envString); |
| if (m1.matches()) { |
| envString = envString.replaceFirst("\\w+[=]\\\".*?\\\"", "").trim(); //$NON-NLS-1$ //$NON-NLS-2$ |
| String s = m1.group(1).trim(); |
| envVars.add(s.replaceAll("\\\"", "")); //$NON-NLS-1$ //$NON-NLS-2$ |
| } else { |
| Matcher m2 = p2.matcher(envString); |
| if (m2.matches()) { |
| envString = envString.replaceFirst("\\w+[=]'.*?'", "").trim(); //$NON-NLS-1$ //$NON-NLS-2$ |
| String s = m2.group(1).trim(); |
| envVars.add(s.replaceAll("'", "")); //$NON-NLS-1$ //$NON-NLS-2$ |
| } else { |
| Matcher m3 = p3.matcher(envString); |
| if (m3.matches()) { |
| envString = envString.replaceFirst("\\w+[=][^\\s]+", "").trim(); //$NON-NLS-1$ //$NON-NLS-2$ |
| envVars.add(m3.group(1).trim()); |
| } else { |
| finished = true; |
| } |
| } |
| } |
| } |
| return envVars; |
| } |
| |
| } |