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Code Issues Wiki Activity

PR: 223695 - previous parser failed on many test and did not pass correctly empty strings

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This commit is contained in:
Alena Laskavaia 2008-11-04 18:44:21 +00:00
parent dfc64b1281
commit e7b542359a
1 changed files with 8 additions and 95 deletions
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91
launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/LaunchUtils.java
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@ -10,8 +10,8 @@
*******************************************************************************/ *******************************************************************************/
package org.eclipse.cdt.launch; package org.eclipse.cdt.launch;
import java.util.ArrayList;
import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants; import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;
import org.eclipse.cdt.utils.CommandLineUtil;
import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.variables.IStringVariableManager; import org.eclipse.core.variables.IStringVariableManager;
import org.eclipse.core.variables.VariablesPlugin; import org.eclipse.core.variables.VariablesPlugin;
@ -22,89 +22,6 @@ import org.eclipse.debug.core.ILaunchConfiguration;
*/ */
public class LaunchUtils { 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 * For given launch configuration returns the program arguments as
* an array of individual arguments. * an array of individual arguments.
@ -132,10 +49,6 @@ public class LaunchUtils {
} }
private static String[] parseArguments(String args) { private static String[] parseArguments(String args) {
if ( args == null ) return CommandLineUtil.argumentsToArray(args);
return new String[0];
ArgumentParser parser = new ArgumentParser( args );
String[] res = parser.parseArguments();
return res;
} }
} }