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/*
* header & license
* Copyright (c) 2007-2008 Martin Krauskopf
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package org.jruby.debug;
import java.io.File;
import java.io.IOException;
import java.util.logging.Logger;
import org.jruby.RubyBoolean;
import org.jruby.runtime.RubyEvent;
import org.jruby.runtime.builtin.IRubyObject;
import static org.jruby.runtime.RubyEvent.*;
final class Util {
private static final Logger LOGGER = Logger.getLogger(Util.class.getName());
private final static CharSequence JRUBY_BUILTIN_PATH_PART = "builtin" + File.separator + "javasupport";
private final static CharSequence JRUBY_JAR_PART = "lib" + File.separator + "jruby.jar!" + File.separator;
private Util() {/* forbid instances */}
/**
* Convenient delegate to {@link RubyBoolean#newBoolean} using <em>ro</em>'s
* runtime.
*/
static RubyBoolean toRBoolean(IRubyObject ro, boolean value) {
return RubyBoolean.newBoolean(ro.getRuntime(), value);
}
/**
* Convenient delegate to {@link org.jruby.Ruby#getNil} using
* <em>recv</em>'s runtime.
*/
static IRubyObject nil(final IRubyObject ro) {
return ro.getRuntime().getNil();
}
static String relativizeToPWD(final String path) {
return Util.relativizeFile(System.getProperty("user.dir"), path);
}
static String relativizeFile(final String base, final String filepath) {
String result = filepath;
if (filepath.startsWith(base)) {
result = filepath.substring(base.length() + 1);
}
return result;
}
/**
* Tests whether the give files, being in whatever form (relative, absolute,
* containing '..', etc.) points to the same files, using canonical paths.
*
* @param first to be compared with second
* @param second to be compared with first
* @return if first and second are/points to the same files
*/
static boolean areSameFiles(String first, String second) {
try {
String firstF = new File(first).getCanonicalPath();
String secondF = new File(second).getCanonicalPath();
return firstF.equals(secondF);
} catch (IOException ioe) {
LOGGER.fine("Cannot resolve cannocical path (falling back to String comparison):" +
"\n first: " + first + "\n second: " + second + "\n ioe:" + ioe);
return first.equals(second);
}
}
static void logEvent(RubyEvent event, String file, int line, String methodName, IRubyObject klass) {
LOGGER.info(file + ":" + line + "[" + event + "]" +klass + "#" + methodName + "\n");
}
static boolean isJRubyCore(final String file) {
return file == null || file.contains(JRUBY_BUILTIN_PATH_PART) || file.contains(JRUBY_JAR_PART);
}
static boolean isLineEvent(String event) {
return LINE.getName().equals(event);
}
static RubyEvent typeForEvent(final String event) {
return RubyEvent.fromName(event);
}
}