1 files changed, 141 insertions, 0 deletions
diff --git a/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/LaunchUtils.java b/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/LaunchUtils.java
new file mode 100644
index 00000000000..9a69b2442a8
--- /dev/null
+++ b/launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/LaunchUtils.java
@@ -0,0 +1,141 @@
+/*******************************************************************************
+ * Copyright (c) 2004 QNX Software Systems and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * QNX Software Systems - Initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.launch; 
+
+import java.util.ArrayList;
+import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.variables.IStringVariableManager;
+import org.eclipse.core.variables.VariablesPlugin;
+import org.eclipse.debug.core.ILaunchConfiguration;
+ 
+/**
+ * Utility methods.
+ */
+public class LaunchUtils {
+
+	private static class ArgumentParser {
+
+		private String fArgs;
+
+		private int fIndex = 0;
+
+		private int ch = -1;
+
+		public ArgumentParser( String args ) {
+			fArgs = args;
+		}
+
+		public String[] parseArguments() {
+			ArrayList v = new ArrayList();
+			ch = getNext();
+			while( ch > 0 ) {
+				while( Character.isWhitespace( (char)ch ) )
+					ch = getNext();
+				if ( ch == '"' ) {
+					v.add( parseString() );
+				}
+				else {
+					v.add( parseToken() );
+				}
+			}
+			String[] result = new String[v.size()];
+			v.toArray( result );
+			return result;
+		}
+
+		private int getNext() {
+			if ( fIndex < fArgs.length() )
+				return fArgs.charAt( fIndex++ );
+			return -1;
+		}
+
+		private String parseString() {
+			StringBuffer buf = new StringBuffer();
+			ch = getNext();
+			while( ch > 0 && ch != '"' ) {
+				if ( ch == '\\' ) {
+					ch = getNext();
+					if ( ch != '"' ) { // Only escape double quotes
+						buf.append( '\\' );
+					}
+				}
+				if ( ch > 0 ) {
+					buf.append( (char)ch );
+					ch = getNext();
+				}
+			}
+			ch = getNext();
+			return buf.toString();
+		}
+
+		private String parseToken() {
+			StringBuffer buf = new StringBuffer();
+			while( ch > 0 && !Character.isWhitespace( (char)ch ) ) {
+				if ( ch == '\\' ) {
+					ch = getNext();
+					if ( ch > 0 ) {
+						if ( ch != '"' ) { // Only escape double quotes
+							buf.append( '\\' );
+						}
+						buf.append( (char)ch );
+						ch = getNext();
+					}
+					else if ( ch == -1 ) { // Don't lose a trailing backslash
+						buf.append( '\\' );
+					}
+				}
+				else if ( ch == '"' ) {
+					buf.append( parseString() );
+				}
+				else {
+					buf.append( (char)ch );
+					ch = getNext();
+				}
+			}
+			return buf.toString();
+		}
+	}
+
+	/**
+	 * For given launch configuration returns the program arguments as 
+	 * an array of individual arguments.
+	 */
+	public static String[] getProgramArgumentsArray( ILaunchConfiguration config ) throws CoreException {
+		return parseArguments( getProgramArguments( config ) );
+	}
+
+	/**
+	 * Returns the program arguments as a String.
+	 */
+	public static String getProgramArguments(ILaunchConfiguration config) throws CoreException {
+		String args = config.getAttribute(ICDTLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, (String)null);
+		if (args != null) {
+			args = getStringVariableManager().performStringSubstitution(args);
+		}
+		return args;
+	}
+
+	/**
+	 * Convenience method.
+	 */
+	public static IStringVariableManager getStringVariableManager() {
+		return VariablesPlugin.getDefault().getStringVariableManager();
+	}
+
+	private static String[] parseArguments( String args ) {
+		if ( args == null )
+			return new String[0];
+		ArgumentParser parser = new ArgumentParser( args );
+		String[] res = parser.parseArguments();
+		return res;
+	}
+}