3.x RC1 compatibility
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / core / Util.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/Util.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/Util.java
deleted file mode 100644 (file)
index 93e8ef0..0000000
+++ /dev/null
@@ -1,1368 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials 
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package net.sourceforge.phpdt.internal.core;
-
-import java.io.BufferedInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Locale;
-import java.util.MissingResourceException;
-import java.util.ResourceBundle;
-import java.util.StringTokenizer;
-
-import net.sourceforge.phpdt.core.IJavaElement;
-import net.sourceforge.phpdt.core.IJavaModelStatusConstants;
-import net.sourceforge.phpdt.core.IPackageFragment;
-import net.sourceforge.phpdt.core.JavaModelException;
-import net.sourceforge.phpdt.core.JavaCore;
-import net.sourceforge.phpdt.core.Signature;
-import net.sourceforge.phpdt.core.compiler.CharOperation;
-import net.sourceforge.phpdt.internal.core.util.CharArrayBuffer;
-import net.sourceforge.phpdt.internal.corext.Assert;
-import net.sourceforge.phpdt.internal.ui.util.PHPFileUtil;
-
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.resources.IResource;
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IPath;
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.core.runtime.Status;
-
-/**
- * Provides convenient utility methods to other types in this package.
- */
-public class Util {
-
-       private final static char[] DOUBLE_QUOTES = "''".toCharArray(); //$NON-NLS-1$
-       private final static char[] SINGLE_QUOTE = "'".toCharArray(); //$NON-NLS-1$
-       private static final String ARGUMENTS_DELIMITER = "#"; //$NON-NLS-1$
-       private static final String EMPTY_ARGUMENT = "   "; //$NON-NLS-1$
-
-       public interface Comparable {
-               /**
-                * Returns 0 if this and c are equal, >0 if this is greater than c,
-                * or <0 if this is less than c.
-                */
-               int compareTo(Comparable c);
-       }
-
-       public interface Comparer {
-               /**
-                * Returns 0 if a and b are equal, >0 if a is greater than b,
-                * or <0 if a is less than b.
-                */
-               int compare(Object a, Object b);
-       }
-       
-       public interface Displayable {
-               String displayString(Object o);
-       }
-       
-       public static final String[] fgEmptyStringArray = new String[0];
-
-       /**
-        * Are we running JDK 1.1?
-        */
-       private static boolean JDK1_1 = false;
-
-       /* Bundle containing messages */
-       protected static ResourceBundle bundle;
-       private final static String bundleName = "net.sourceforge.phpdt.internal.core.messages"; //$NON-NLS-1$
-
-//     public final static char[] SUFFIX_class = ".class".toCharArray(); //$NON-NLS-1$
-//     public final static char[] SUFFIX_CLASS = ".CLASS".toCharArray(); //$NON-NLS-1$
-//     public final static char[] SUFFIX_java = ".java".toCharArray(); //$NON-NLS-1$
-//     public final static char[] SUFFIX_JAVA = ".JAVA".toCharArray(); //$NON-NLS-1$
-//     public final static char[] SUFFIX_jar = ".jar".toCharArray(); //$NON-NLS-1$
-//     public final static char[] SUFFIX_JAR = ".JAR".toCharArray(); //$NON-NLS-1$
-//     public final static char[] SUFFIX_zip = ".zip".toCharArray(); //$NON-NLS-1$
-//     public final static char[] SUFFIX_ZIP = ".ZIP".toCharArray(); //$NON-NLS-1$
-
-       static {
-               String ver = System.getProperty("java.version"); //$NON-NLS-1$
-               JDK1_1 = ((ver != null) && ver.startsWith("1.1")); //$NON-NLS-1$
-               relocalize();
-       }       
-       
-       /**
-        * Lookup the message with the given ID in this catalog 
-        */
-       public static String bind(String id) {
-               return bind(id, (String[])null);
-       }
-       
-       /**
-        * Lookup the message with the given ID in this catalog and bind its
-        * substitution locations with the given string values.
-        */
-       public static String bind(String id, String[] bindings) {
-               if (id == null)
-                       return "No message available"; //$NON-NLS-1$
-               String message = null;
-               try {
-                       message = bundle.getString(id);
-               } catch (MissingResourceException e) {
-                       // If we got an exception looking for the message, fail gracefully by just returning
-                       // the id we were looking for.  In most cases this is semi-informative so is not too bad.
-                       return "Missing message: " + id + " in: " + bundleName; //$NON-NLS-2$ //$NON-NLS-1$
-               }
-               // for compatibility with MessageFormat which eliminates double quotes in original message
-               char[] messageWithNoDoubleQuotes =
-               CharOperation.replace(message.toCharArray(), DOUBLE_QUOTES, SINGLE_QUOTE);
-               message = new String(messageWithNoDoubleQuotes);
-       
-               if (bindings == null)
-                       return message;
-       
-               int length = message.length();
-               int start = -1;
-               int end = length;
-               StringBuffer output = new StringBuffer(80);
-               while (true) {
-                       if ((end = message.indexOf('{', start)) > -1) {
-                               output.append(message.substring(start + 1, end));
-                               if ((start = message.indexOf('}', end)) > -1) {
-                                       int index = -1;
-                                       try {
-                                               index = Integer.parseInt(message.substring(end + 1, start));
-                                               output.append(bindings[index]);
-                                       } catch (NumberFormatException nfe) {
-                                               output.append(message.substring(end + 1, start + 1));
-                                       } catch (ArrayIndexOutOfBoundsException e) {
-                                               output.append("{missing " + Integer.toString(index) + "}"); //$NON-NLS-2$ //$NON-NLS-1$
-                                       }
-                               } else {
-                                       output.append(message.substring(end, length));
-                                       break;
-                               }
-                       } else {
-                               output.append(message.substring(start + 1, length));
-                               break;
-                       }
-               }
-               return output.toString();
-       }
-
-       /**
-        * Lookup the message with the given ID in this catalog and bind its
-        * substitution locations with the given string.
-        */
-       public static String bind(String id, String binding) {
-               return bind(id, new String[] {binding});
-       }
-       
-       /**
-        * Lookup the message with the given ID in this catalog and bind its
-        * substitution locations with the given strings.
-        */
-       public static String bind(String id, String binding1, String binding2) {
-               return bind(id, new String[] {binding1, binding2});
-       }
-
-       /**
-        * Checks the type signature in String sig, 
-        * starting at start and ending before end (end is not included).
-        * Returns the index of the character immediately after the signature if valid,
-        * or -1 if not valid.
-        */
-       private static int checkTypeSignature(String sig, int start, int end, boolean allowVoid) {
-               if (start >= end) return -1;
-               int i = start;
-               char c = sig.charAt(i++);
-               int nestingDepth = 0;
-               while (c == '[') {
-                       ++nestingDepth;
-                       if (i >= end) return -1;
-                       c = sig.charAt(i++);
-               }
-               switch (c) {
-                       case 'B':
-                       case 'C': 
-                       case 'D':
-                       case 'F':
-                       case 'I':
-                       case 'J':
-                       case 'S': 
-                       case 'Z':
-                               break;
-                       case 'V':
-                               if (!allowVoid) return -1;
-                               // array of void is not allowed
-                               if (nestingDepth != 0) return -1;
-                               break;
-                       case 'L':
-                               int semicolon = sig.indexOf(';', i);
-                               // Must have at least one character between L and ;
-                               if (semicolon <= i || semicolon >= end) return -1;
-                               i = semicolon + 1;
-                               break;
-                       default:
-                               return -1;
-               }
-               return i;
-       }
-       
-       /**
-        * Combines two hash codes to make a new one.
-        */
-       public static int combineHashCodes(int hashCode1, int hashCode2) {
-               return hashCode1 * 17 + hashCode2;
-       }
-       
-       /**
-        * Compares two byte arrays.  
-        * Returns <0 if a byte in a is less than the corresponding byte in b, or if a is shorter, or if a is null.
-        * Returns >0 if a byte in a is greater than the corresponding byte in b, or if a is longer, or if b is null.
-        * Returns 0 if they are equal or both null.
-        */
-       public static int compare(byte[] a, byte[] b) {
-               if (a == b)
-                       return 0;
-               if (a == null)
-                       return -1;
-               if (b == null)
-                       return 1;
-               int len = Math.min(a.length, b.length);
-               for (int i = 0; i < len; ++i) {
-                       int diff = a[i] - b[i];
-                       if (diff != 0)
-                               return diff;
-               }
-               if (a.length > len)
-                       return 1;
-               if (b.length > len)
-                       return -1;
-               return 0;
-       }
-
-       /**
-        * Compares two char arrays lexicographically. 
-        * The comparison is based on the Unicode value of each character in
-        * the char arrays. 
-        * @return  the value <code>0</code> if a is equal to
-        *          b; a value less than <code>0</code> if a
-        *          is lexicographically less than b; and a
-        *          value greater than <code>0</code> if a is
-        *          lexicographically greater than b.
-        */
-       public static int compare(char[] v1, char[] v2) {
-               int len1 = v1.length;
-               int len2 = v2.length;
-               int n = Math.min(len1, len2);
-               int i = 0;
-               while (n-- != 0) {
-                       if (v1[i] != v2[i]) {
-                               return v1[i] - v2[i];
-                       }
-                       ++i;
-               }
-               return len1 - len2;
-       }
-
-       /**
-        * Concatenate two strings with a char in between.
-        * @see #concat(String, String)
-        */
-       public static String concat(String s1, char c, String s2) {
-               if (s1 == null) s1 = "null"; //$NON-NLS-1$
-               if (s2 == null) s2 = "null"; //$NON-NLS-1$
-               int l1 = s1.length();
-               int l2 = s2.length();
-               char[] buf = new char[l1 + 1 + l2];
-               s1.getChars(0, l1, buf, 0);
-               buf[l1] = c;
-               s2.getChars(0, l2, buf, l1 + 1);
-               return new String(buf);
-       }
-       
-       /**
-        * Concatenate two strings.
-        * Much faster than using +, which:
-        *              - creates a StringBuffer,
-        *              - which is synchronized,
-        *              - of default size, so the resulting char array is
-        *        often larger than needed.
-        * This implementation creates an extra char array, since the
-        * String constructor copies its argument, but there's no way around this.
-        */
-       public static String concat(String s1, String s2) {
-               if (s1 == null) s1 = "null"; //$NON-NLS-1$
-               if (s2 == null) s2 = "null"; //$NON-NLS-1$
-               int l1 = s1.length();
-               int l2 = s2.length();
-               char[] buf = new char[l1 + l2];
-               s1.getChars(0, l1, buf, 0);
-               s2.getChars(0, l2, buf, l1);
-               return new String(buf);
-       }
-
-       /**
-        * Concatenate three strings.
-        * @see #concat(String, String)
-        */
-       public static String concat(String s1, String s2, String s3) {
-               if (s1 == null) s1 = "null"; //$NON-NLS-1$
-               if (s2 == null) s2 = "null"; //$NON-NLS-1$
-               if (s3 == null) s3 = "null"; //$NON-NLS-1$
-               int l1 = s1.length();
-               int l2 = s2.length();
-               int l3 = s3.length();
-               char[] buf = new char[l1 + l2 + l3];
-               s1.getChars(0, l1, buf, 0);
-               s2.getChars(0, l2, buf, l1);
-               s3.getChars(0, l3, buf, l1 + l2);
-               return new String(buf);
-       }
-       
-       /**
-        * Converts a type signature from the IBinaryType representation to the DC representation.
-        */
-       public static String convertTypeSignature(char[] sig) {
-               return new String(sig).replace('/', '.');
-       }
-
-       /**
-        * Returns true iff str.toLowerCase().endsWith(end.toLowerCase())
-        * implementation is not creating extra strings.
-        */
-       public final static boolean endsWithIgnoreCase(String str, String end) {
-               
-               int strLength = str == null ? 0 : str.length();
-               int endLength = end == null ? 0 : end.length();
-               
-               // return false if the string is smaller than the end.
-               if(endLength > strLength)
-                       return false;
-                       
-               // return false if any character of the end are
-               // not the same in lower case.
-               for(int i = 1 ; i <= endLength; i++){
-                       if(Character.toLowerCase(end.charAt(endLength - i)) != Character.toLowerCase(str.charAt(strLength - i)))
-                               return false;
-               }
-               
-               return true;
-       }
-
-       /**
-        * Compares two arrays using equals() on the elements.
-        * Either or both arrays may be null.
-        * Returns true if both are null.
-        * Returns false if only one is null.
-        * If both are arrays, returns true iff they have the same length and
-        * all elements are equal.
-        */
-       public static boolean equalArraysOrNull(int[] a, int[] b) {
-               if (a == b)
-                       return true;
-               if (a == null || b == null)
-                       return false;
-               int len = a.length;
-               if (len != b.length)
-                       return false;
-               for (int i = 0; i < len; ++i) {
-                       if (a[i] != b[i])
-                               return false;
-               }
-               return true;
-       }
-
-       /**
-        * Compares two arrays using equals() on the elements.
-        * Either or both arrays may be null.
-        * Returns true if both are null.
-        * Returns false if only one is null.
-        * If both are arrays, returns true iff they have the same length and
-        * all elements compare true with equals.
-        */
-       public static boolean equalArraysOrNull(Object[] a, Object[] b) {
-               if (a == b)     return true;
-               if (a == null || b == null) return false;
-
-               int len = a.length;
-               if (len != b.length) return false;
-               for (int i = 0; i < len; ++i) {
-                       if (a[i] == null) {
-                               if (b[i] != null) return false;
-                       } else {
-                               if (!a[i].equals(b[i])) return false;
-                       }
-               }
-               return true;
-       }
-       
-       /**
-        * Compares two String arrays using equals() on the elements.
-        * The arrays are first sorted.
-        * Either or both arrays may be null.
-        * Returns true if both are null.
-        * Returns false if only one is null.
-        * If both are arrays, returns true iff they have the same length and
-        * iff, after sorting both arrays, all elements compare true with equals.
-        * The original arrays are left untouched.
-        */
-       public static boolean equalArraysOrNullSortFirst(String[] a, String[] b) {
-               if (a == b)     return true;
-               if (a == null || b == null) return false;
-               int len = a.length;
-               if (len != b.length) return false;
-               if (len >= 2) {  // only need to sort if more than two items
-                       a = sortCopy(a);
-                       b = sortCopy(b);
-               }
-               for (int i = 0; i < len; ++i) {
-                       if (!a[i].equals(b[i])) return false;
-               }
-               return true;
-       }
-       
-       /**
-        * Compares two arrays using equals() on the elements.
-        * The arrays are first sorted.
-        * Either or both arrays may be null.
-        * Returns true if both are null.
-        * Returns false if only one is null.
-        * If both are arrays, returns true iff they have the same length and
-        * iff, after sorting both arrays, all elements compare true with equals.
-        * The original arrays are left untouched.
-        */
-       public static boolean equalArraysOrNullSortFirst(Comparable[] a, Comparable[] b) {
-               if (a == b)     return true;
-               if (a == null || b == null) return false;
-               int len = a.length;
-               if (len != b.length) return false;
-               if (len >= 2) {  // only need to sort if more than two items
-                       a = sortCopy(a);
-                       b = sortCopy(b);
-               }
-               for (int i = 0; i < len; ++i) {
-                       if (!a[i].equals(b[i])) return false;
-               }
-               return true;
-       }
-       
-       /**
-        * Compares two objects using equals().
-        * Either or both array may be null.
-        * Returns true if both are null.
-        * Returns false if only one is null.
-        * Otherwise, return the result of comparing with equals().
-        */
-       public static boolean equalOrNull(Object a, Object b) {
-               if (a == b) {
-                       return true;
-               }
-               if (a == null || b == null) {
-                       return false;
-               }
-               return a.equals(b);
-       }
-       
-       /**
-        * Given a qualified name, extract the last component.
-        * If the input is not qualified, the same string is answered.
-        */
-       public static String extractLastName(String qualifiedName) {
-               int i = qualifiedName.lastIndexOf('.');
-               if (i == -1) return qualifiedName;
-               return qualifiedName.substring(i+1);
-       }
-       
-       /**
-        * Extracts the parameter types from a method signature.
-        */
-       public static String[] extractParameterTypes(char[] sig) {
-               int count = getParameterCount(sig);
-               String[] result = new String[count];
-               if (count == 0)
-                       return result;
-               int i = CharOperation.indexOf('(', sig) + 1;
-               count = 0;
-               int len = sig.length;
-               int start = i;
-               for (;;) {
-                       if (i == len)
-                               break;
-                       char c = sig[i];
-                       if (c == ')')
-                               break;
-                       if (c == '[') {
-                               ++i;
-                       } else
-                               if (c == 'L') {
-                                       i = CharOperation.indexOf(';', sig, i + 1) + 1;
-                                       Assert.isTrue(i != 0);
-                                       result[count++] = convertTypeSignature(CharOperation.subarray(sig, start, i));
-                                       start = i;
-                               } else {
-                                       ++i;
-                                       result[count++] = convertTypeSignature(CharOperation.subarray(sig, start, i));
-                                       start = i;
-                               }
-               }
-               return result;
-       }
-
-       /**
-        * Extracts the return type from a method signature.
-        */
-       public static String extractReturnType(String sig) {
-               int i = sig.lastIndexOf(')');
-               Assert.isTrue(i != -1);
-               return sig.substring(i+1);      
-       }
-       
-       /**
-        * Finds the first line separator used by the given text.
-        *
-        * @return </code>"\n"</code> or </code>"\r"</code> or  </code>"\r\n"</code>,
-        *                      or <code>null</code> if none found
-        */
-       public static String findLineSeparator(char[] text) {
-               // find the first line separator
-               int length = text.length;
-               if (length > 0) {
-                       char nextChar = text[0];
-                       for (int i = 0; i < length; i++) {
-                               char currentChar = nextChar;
-                               nextChar = i < length-1 ? text[i+1] : ' ';
-                               switch (currentChar) {
-                                       case '\n': return "\n"; //$NON-NLS-1$
-                                       case '\r': return nextChar == '\n' ? "\r\n" : "\r"; //$NON-NLS-1$ //$NON-NLS-2$
-                               }
-                       }
-               }
-               // not found
-               return null;
-       }
-       
-       /**
-        * Returns the line separator used by the given buffer.
-        * Uses the given text if none found.
-        *
-        * @return </code>"\n"</code> or </code>"\r"</code> or  </code>"\r\n"</code>
-        */
-       private static String getLineSeparator(char[] text, char[] buffer) {
-               // search in this buffer's contents first
-               String lineSeparator = findLineSeparator(buffer);
-               if (lineSeparator == null) {
-                       // search in the given text
-                       lineSeparator = findLineSeparator(text);
-                       if (lineSeparator == null) {
-                               // default to system line separator
-                               return System.getProperty("line.separator");
-                       }
-               }
-               return lineSeparator;
-       }
-               
-       /**
-        * Returns the number of parameter types in a method signature.
-        */
-       public static int getParameterCount(char[] sig) {
-               int i = CharOperation.indexOf('(', sig) + 1;
-               Assert.isTrue(i != 0);
-               int count = 0;
-               int len = sig.length;
-               for (;;) {
-                       if (i == len)
-                               break;
-                       char c = sig[i];
-                       if (c == ')')
-                               break;
-                       if (c == '[') {
-                               ++i;
-                       } else
-                               if (c == 'L') {
-                                       ++count;
-                                       i = CharOperation.indexOf(';', sig, i + 1) + 1;
-                                       Assert.isTrue(i != 0);
-                               } else {
-                                       ++count;
-                                       ++i;
-                               }
-               }
-               return count;
-       }
-       
-       /**
-        * Returns the given file's contents as a byte array.
-        */
-       public static byte[] getResourceContentsAsByteArray(IFile file) throws JavaModelException {
-               InputStream stream= null;
-               try {
-                       stream = new BufferedInputStream(file.getContents(true));
-               } catch (CoreException e) {
-                       throw new JavaModelException(e);
-               }
-               try {
-                       return net.sourceforge.phpdt.internal.compiler.util.Util.getInputStreamAsByteArray(stream, -1);
-               } catch (IOException e) {
-                       throw new JavaModelException(e, IJavaModelStatusConstants.IO_EXCEPTION);
-               } finally {
-                       try {
-                               stream.close();
-                       } catch (IOException e) {
-                       }
-               }
-       }
-       
-       /**
-        * Returns the given file's contents as a character array.
-        */
-       public static char[] getResourceContentsAsCharArray(IFile file) throws JavaModelException {
-               String encoding = JavaCore.create(file.getProject()).getOption(JavaCore.CORE_ENCODING, true);
-               return getResourceContentsAsCharArray(file, encoding);
-       }
-
-       public static char[] getResourceContentsAsCharArray(IFile file, String encoding) throws JavaModelException {
-               InputStream stream= null;
-               try {
-                       stream = new BufferedInputStream(file.getContents(true));
-               } catch (CoreException e) {
-                       throw new JavaModelException(e, IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST);
-               }
-               try {
-                       return net.sourceforge.phpdt.internal.compiler.util.Util.getInputStreamAsCharArray(stream, -1, encoding);
-               } catch (IOException e) {
-                       throw new JavaModelException(e, IJavaModelStatusConstants.IO_EXCEPTION);
-               } finally {
-                       try {
-                               stream.close();
-                       } catch (IOException e) {
-                       }
-               }
-       }
-       
-       /**
-        * Returns a trimmed version the simples names returned by Signature.
-        */
-       public static String[] getTrimmedSimpleNames(String name) {
-               String[] result = Signature.getSimpleNames(name);
-               if (result == null) return null;
-               for (int i = 0, length = result.length; i < length; i++) {
-                       result[i] = result[i].trim();
-               }
-               return result;
-       }
-       
-       /**
-        * Returns true iff str.toLowerCase().endsWith(".class")
-        * implementation is not creating extra strings.
-        */
-//     public final static boolean isClassFileName(String name) {
-//             int nameLength = name == null ? 0 : name.length();
-//             int suffixLength = SUFFIX_CLASS.length;
-//             if (nameLength < suffixLength) return false;
-//
-//             for (int i = 0, offset = nameLength - suffixLength; i < suffixLength; i++) {
-//                     char c = name.charAt(offset + i);
-//                     if (c != SUFFIX_class[i] && c != SUFFIX_CLASS[i]) return false;
-//             }
-//             return true;            
-//     }
-       
-       /*
-        * Returns whether the given java element is exluded from its root's classpath.
-        */
-       public static final boolean isExcluded(IJavaElement element) {
-               int elementType = element.getElementType();
-       PackageFragmentRoot root = null;
-       IResource resource = null;
-               switch (elementType) {
-//                     case IJavaElement.PACKAGE_FRAGMENT:
-//                             PackageFragmentRoot root = (PackageFragmentRoot)element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
-//                             IResource resource = element.getResource();
-//                             return resource != null && Util.isExcluded(resource, root.fullExclusionPatternChars());
-                       case IJavaElement.COMPILATION_UNIT:
-                               root = (PackageFragmentRoot)element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
-                               resource = element.getResource();
-                               if (resource != null && Util.isExcluded(resource, root.fullExclusionPatternChars()))
-                                       return true;
-                               return isExcluded(element.getParent());
-                       default:
-                               IJavaElement cu = element.getAncestor(IJavaElement.COMPILATION_UNIT);
-                               return cu != null && isExcluded(cu);
-               }
-       }
-       /*
-        * Returns whether the given resource path matches one of the exclusion
-        * patterns.
-        * 
-        * @see IClasspathEntry#getExclusionPatterns
-        */
-       public final static boolean isExcluded(IPath resourcePath, char[][] exclusionPatterns) {
-               if (exclusionPatterns == null) return false;
-               char[] path = resourcePath.toString().toCharArray();
-               for (int i = 0, length = exclusionPatterns.length; i < length; i++)
-                       if (CharOperation.pathMatch(exclusionPatterns[i], path, true, '/'))
-                               return true;
-               return false;
-       }       
-       
-       /*
-        * Returns whether the given resource matches one of the exclusion patterns.
-        * 
-        * @see IClasspathEntry#getExclusionPatterns
-        */
-       public final static boolean isExcluded(IResource resource, char[][] exclusionPatterns) {
-               IPath path = resource.getFullPath();
-               // ensure that folders are only excluded if all of their children are excluded
-               if (resource.getType() == IResource.FOLDER)
-                       path = path.append("*"); //$NON-NLS-1$
-               return isExcluded(path, exclusionPatterns);
-       }
-
-       /**
-        * Returns true iff str.toLowerCase().endsWith(".jar" or ".zip")
-        * implementation is not creating extra strings.
-        */
-//     public final static boolean isArchiveFileName(String name) {
-//             int nameLength = name == null ? 0 : name.length();
-//             int suffixLength = SUFFIX_JAR.length;
-//             if (nameLength < suffixLength) return false;
-//
-//             int i, offset;
-//             for ( i = 0, offset = nameLength - suffixLength; i < suffixLength; i++) {
-//                     char c = name.charAt(offset + i);
-//                     if (c != SUFFIX_jar[i] && c != SUFFIX_JAR[i]) break;
-//             }
-//             if (i == suffixLength) return true;             
-//             for ( i = 0, offset = nameLength - suffixLength; i < suffixLength; i++) {
-//                     char c = name.charAt(offset + i);
-//                     if (c != SUFFIX_zip[i] && c != SUFFIX_ZIP[i]) return false;
-//             }
-//             return true;
-//     }
-       
-       /**
-        * Validate the given compilation unit name.
-        * A compilation unit name must obey the following rules:
-        * <ul>
-        * <li> it must not be null
-        * <li> it must include the <code>".java"</code> suffix
-        * <li> its prefix must be a valid identifier
-        * </ul>
-        * </p>
-        * @param name the name of a compilation unit
-        * @return a status object with code <code>IStatus.OK</code> if
-        *              the given name is valid as a compilation unit name, otherwise a status 
-        *              object indicating what is wrong with the name
-        */
-       public static boolean isValidCompilationUnitName(String name) {
-               return PHPFileUtil.isPHPFileName(name);
-//             return JavaConventions.validateCompilationUnitName(name).getSeverity() != IStatus.ERROR;
-       }
-
-       /**
-        * Validate the given .class file name.
-        * A .class file name must obey the following rules:
-        * <ul>
-        * <li> it must not be null
-        * <li> it must include the <code>".class"</code> suffix
-        * <li> its prefix must be a valid identifier
-        * </ul>
-        * </p>
-        * @param name the name of a .class file
-        * @return a status object with code <code>IStatus.OK</code> if
-        *              the given name is valid as a .class file name, otherwise a status 
-        *              object indicating what is wrong with the name
-        */
-//     public static boolean isValidClassFileName(String name) {
-//             return JavaConventions.validateClassFileName(name).getSeverity() != IStatus.ERROR;
-//     }
-
-       /**
-        * Returns true iff str.toLowerCase().endsWith(".java")
-        * implementation is not creating extra strings.
-        */
-       public final static boolean isJavaFileName(String name) {
-               return PHPFileUtil.isPHPFileName(name);
-//             int nameLength = name == null ? 0 : name.length();
-//             int suffixLength = SUFFIX_JAVA.length;
-//             if (nameLength < suffixLength) return false;
-//
-//             for (int i = 0, offset = nameLength - suffixLength; i < suffixLength; i++) {
-//                     char c = name.charAt(offset + i);
-//                     if (c != SUFFIX_java[i] && c != SUFFIX_JAVA[i]) return false;
-//             }
-//             return true;            
-       }
-
-       /**
-        * Returns true if the given method signature is valid,
-        * false if it is not.
-        */
-       public static boolean isValidMethodSignature(String sig) {
-               int len = sig.length();
-               if (len == 0) return false;
-               int i = 0;
-               char c = sig.charAt(i++);
-               if (c != '(') return false;
-               if (i >= len) return false;
-               while (sig.charAt(i) != ')') {
-                       // Void is not allowed as a parameter type.
-                       i = checkTypeSignature(sig, i, len, false);
-                       if (i == -1) return false;
-                       if (i >= len) return false;
-               }
-               ++i;
-               i = checkTypeSignature(sig, i, len, true);
-               return i == len;
-       }
-       
-       /**
-        * Returns true if the given type signature is valid,
-        * false if it is not.
-        */
-       public static boolean isValidTypeSignature(String sig, boolean allowVoid) {
-               int len = sig.length();
-               return checkTypeSignature(sig, 0, len, allowVoid) == len;
-       }
-       
-       /**
-        * Returns true if the given folder name is valid for a package,
-        * false if it is not.
-        */
-       public static boolean isValidFolderNameForPackage(String folderName) {
-//             return JavaConventions.validateIdentifier(folderName).getSeverity() != IStatus.ERROR;
-         return true;
-       }       
-
-       /*
-        * Add a log entry
-        */
-       public static void log(Throwable e, String message) {
-               Throwable nestedException;
-               if (e instanceof JavaModelException 
-                               && (nestedException = ((JavaModelException)e).getException()) != null) {
-                       e = nestedException;
-               }
-               IStatus status= new Status(
-                       IStatus.ERROR, 
-                       JavaCore.getPlugin().getDescriptor().getUniqueIdentifier(), 
-                       IStatus.ERROR, 
-                       message, 
-                       e); 
-               JavaCore.getPlugin().getLog().log(status);
-       }       
-       
-       /**
-        * Normalizes the cariage returns in the given text.
-        * They are all changed  to use the given buffer's line separator.
-        */
-       public static char[] normalizeCRs(char[] text, char[] buffer) {
-               CharArrayBuffer result = new CharArrayBuffer();
-               int lineStart = 0;
-               int length = text.length;
-               if (length == 0) return text;
-               String lineSeparator = getLineSeparator(text, buffer);
-               char nextChar = text[0];
-               for (int i = 0; i < length; i++) {
-                       char currentChar = nextChar;
-                       nextChar = i < length-1 ? text[i+1] : ' ';
-                       switch (currentChar) {
-                               case '\n':
-                                       int lineLength = i-lineStart;
-                                       char[] line = new char[lineLength];
-                                       System.arraycopy(text, lineStart, line, 0, lineLength);
-                                       result.append(line);
-                                       result.append(lineSeparator);
-                                       lineStart = i+1;
-                                       break;
-                               case '\r':
-                                       lineLength = i-lineStart;
-                                       if (lineLength >= 0) {
-                                               line = new char[lineLength];
-                                               System.arraycopy(text, lineStart, line, 0, lineLength);
-                                               result.append(line);
-                                               result.append(lineSeparator);
-                                               if (nextChar == '\n') {
-                                                       nextChar = ' ';
-                                                       lineStart = i+2;
-                                               } else {
-                                                       // when line separator are mixed in the same file
-                                                       // \r might not be followed by a \n. If not, we should increment
-                                                       // lineStart by one and not by two.
-                                                       lineStart = i+1;
-                                               }
-                                       } else {
-                                               // when line separator are mixed in the same file
-                                               // we need to prevent NegativeArraySizeException
-                                               lineStart = i+1;
-                                       }
-                                       break;
-                       }
-               }
-               char[] lastLine;
-               if (lineStart > 0) {
-                       int lastLineLength = length-lineStart;
-                       if (lastLineLength > 0) {
-                               lastLine = new char[lastLineLength];
-                               System.arraycopy(text, lineStart, lastLine, 0, lastLineLength);
-                               result.append(lastLine);
-                       }
-                       return result.getContents();
-               } else {
-                       return text;
-               }
-       }
-
-       /**
-        * Normalizes the cariage returns in the given text.
-        * They are all changed  to use given buffer's line sepatator.
-        */
-       public static String normalizeCRs(String text, String buffer) {
-               return new String(normalizeCRs(text.toCharArray(), buffer.toCharArray()));
-       }
-
-       /**
-        * Sort the objects in the given collection using the given sort order.
-        */
-       private static void quickSort(Object[] sortedCollection, int left, int right, int[] sortOrder) {
-               int original_left = left;
-               int original_right = right;
-               int mid = sortOrder[ (left + right) / 2];
-               do {
-                       while (sortOrder[left] < mid) {
-                               left++;
-                       }
-                       while (mid < sortOrder[right]) {
-                               right--;
-                       }
-                       if (left <= right) {
-                               Object tmp = sortedCollection[left];
-                               sortedCollection[left] = sortedCollection[right];
-                               sortedCollection[right] = tmp;
-                               int tmp2 = sortOrder[left];
-                               sortOrder[left] = sortOrder[right];
-                               sortOrder[right] = tmp2;
-                               left++;
-                               right--;
-                       }
-               } while (left <= right);
-               if (original_left < right) {
-                       quickSort(sortedCollection, original_left, right, sortOrder);
-               }
-               if (left < original_right) {
-                       quickSort(sortedCollection, left, original_right, sortOrder);
-               }
-       }
-
-       /**
-        * Sort the objects in the given collection using the given comparer.
-        */
-       private static void quickSort(Object[] sortedCollection, int left, int right, Comparer comparer) {
-               int original_left = left;
-               int original_right = right;
-               Object mid = sortedCollection[ (left + right) / 2];
-               do {
-                       while (comparer.compare(sortedCollection[left], mid) < 0) {
-                               left++;
-                       }
-                       while (comparer.compare(mid, sortedCollection[right]) < 0) {
-                               right--;
-                       }
-                       if (left <= right) {
-                               Object tmp = sortedCollection[left];
-                               sortedCollection[left] = sortedCollection[right];
-                               sortedCollection[right] = tmp;
-                               left++;
-                               right--;
-                       }
-               } while (left <= right);
-               if (original_left < right) {
-                       quickSort(sortedCollection, original_left, right, comparer);
-               }
-               if (left < original_right) {
-                       quickSort(sortedCollection, left, original_right, comparer);
-               }
-       }
-
-       /**
-        * Sort the strings in the given collection.
-        */
-       private static void quickSort(String[] sortedCollection, int left, int right) {
-               int original_left = left;
-               int original_right = right;
-               String mid = sortedCollection[ (left + right) / 2];
-               do {
-                       while (sortedCollection[left].compareTo(mid) < 0) {
-                               left++;
-                       }
-                       while (mid.compareTo(sortedCollection[right]) < 0) {
-                               right--;
-                       }
-                       if (left <= right) {
-                               String tmp = sortedCollection[left];
-                               sortedCollection[left] = sortedCollection[right];
-                               sortedCollection[right] = tmp;
-                               left++;
-                               right--;
-                       }
-               } while (left <= right);
-               if (original_left < right) {
-                       quickSort(sortedCollection, original_left, right);
-               }
-               if (left < original_right) {
-                       quickSort(sortedCollection, left, original_right);
-               }
-       }
-
-       /**
-        * Converts the given relative path into a package name.
-        * Returns null if the path is not a valid package name.
-        */
-       public static String packageName(IPath pkgPath) {
-               StringBuffer pkgName = new StringBuffer(IPackageFragment.DEFAULT_PACKAGE_NAME);
-               for (int j = 0, max = pkgPath.segmentCount(); j < max; j++) {
-                       String segment = pkgPath.segment(j);
-                       if (!isValidFolderNameForPackage(segment)) {
-                               return null;
-                       }
-                       pkgName.append(segment);
-                       if (j < pkgPath.segmentCount() - 1) {
-                               pkgName.append("." ); //$NON-NLS-1$
-                       }
-               }
-               return pkgName.toString();
-       }
-
-       /**
-        * Sort the comparable objects in the given collection.
-        */
-       private static void quickSort(Comparable[] sortedCollection, int left, int right) {
-               int original_left = left;
-               int original_right = right;
-               Comparable mid = sortedCollection[ (left + right) / 2];
-               do {
-                       while (sortedCollection[left].compareTo(mid) < 0) {
-                               left++;
-                       }
-                       while (mid.compareTo(sortedCollection[right]) < 0) {
-                               right--;
-                       }
-                       if (left <= right) {
-                               Comparable tmp = sortedCollection[left];
-                               sortedCollection[left] = sortedCollection[right];
-                               sortedCollection[right] = tmp;
-                               left++;
-                               right--;
-                       }
-               } while (left <= right);
-               if (original_left < right) {
-                       quickSort(sortedCollection, original_left, right);
-               }
-               if (left < original_right) {
-                       quickSort(sortedCollection, left, original_right);
-               }
-       }
-
-       /**
-        * Sort the strings in the given collection in reverse alphabetical order.
-        */
-       private static void quickSortReverse(String[] sortedCollection, int left, int right) {
-               int original_left = left;
-               int original_right = right;
-               String mid = sortedCollection[ (left + right) / 2];
-               do {
-                       while (sortedCollection[left].compareTo(mid) > 0) {
-                               left++;
-                       }
-                       while (mid.compareTo(sortedCollection[right]) > 0) {
-                               right--;
-                       }
-                       if (left <= right) {
-                               String tmp = sortedCollection[left];
-                               sortedCollection[left] = sortedCollection[right];
-                               sortedCollection[right] = tmp;
-                               left++;
-                               right--;
-                       }
-               } while (left <= right);
-               if (original_left < right) {
-                       quickSortReverse(sortedCollection, original_left, right);
-               }
-               if (left < original_right) {
-                       quickSortReverse(sortedCollection, left, original_right);
-               }
-       }
-
-       /**
-        * Sorts an array of objects in place, using the sort order given for each item.
-        */
-       public static void sort(Object[] objects, int[] sortOrder) {
-               if (objects.length > 1)
-                       quickSort(objects, 0, objects.length - 1, sortOrder);
-       }
-
-       /**
-        * Sorts an array of objects in place.
-        * The given comparer compares pairs of items.
-        */
-       public static void sort(Object[] objects, Comparer comparer) {
-               if (objects.length > 1)
-                       quickSort(objects, 0, objects.length - 1, comparer);
-       }
-
-       /**
-        * Sorts an array of strings in place using quicksort.
-        */
-       public static void sort(String[] strings) {
-               if (strings.length > 1)
-                       quickSort(strings, 0, strings.length - 1);
-       }
-
-       /**
-        * Sorts an array of Comparable objects in place.
-        */
-       public static void sort(Comparable[] objects) {
-               if (objects.length > 1)
-                       quickSort(objects, 0, objects.length - 1);
-       }
-
-       /**
-        * Sorts an array of Strings, returning a new array
-        * with the sorted items.  The original array is left untouched.
-        */
-       public static Object[] sortCopy(Object[] objects, Comparer comparer) {
-               int len = objects.length;
-               Object[] copy = new Object[len];
-               System.arraycopy(objects, 0, copy, 0, len);
-               sort(copy, comparer);
-               return copy;
-       }
-
-       /**
-        * Sorts an array of Strings, returning a new array
-        * with the sorted items.  The original array is left untouched.
-        */
-       public static String[] sortCopy(String[] objects) {
-               int len = objects.length;
-               String[] copy = new String[len];
-               System.arraycopy(objects, 0, copy, 0, len);
-               sort(copy);
-               return copy;
-       }
-
-       /**
-        * Sorts an array of Comparable objects, returning a new array
-        * with the sorted items.  The original array is left untouched.
-        */
-       public static Comparable[] sortCopy(Comparable[] objects) {
-               int len = objects.length;
-               Comparable[] copy = new Comparable[len];
-               System.arraycopy(objects, 0, copy, 0, len);
-               sort(copy);
-               return copy;
-       }
-
-       /**
-        * Sorts an array of strings in place using quicksort
-        * in reverse alphabetical order.
-        */
-       public static void sortReverseOrder(String[] strings) {
-               if (strings.length > 1)
-                       quickSortReverse(strings, 0, strings.length - 1);
-       }
-
-       /**
-        * Converts a String[] to char[][].
-        */
-       public static char[][] toCharArrays(String[] a) {
-               int len = a.length;
-               char[][] result = new char[len][];
-               for (int i = 0; i < len; ++i) {
-                       result[i] = toChars(a[i]);
-               }
-               return result;
-       }
-
-       /**
-        * Converts a String to char[].
-        */
-       public static char[] toChars(String s) {
-               int len = s.length();
-               char[] chars = new char[len];
-               s.getChars(0, len, chars, 0);
-               return chars;
-       }
-
-       /**
-        * Converts a String to char[][], where segments are separate by '.'.
-        */
-       public static char[][] toCompoundChars(String s) {
-               int len = s.length();
-               if (len == 0) {
-                       return CharOperation.NO_CHAR_CHAR;
-               }
-               int segCount = 1;
-               for (int off = s.indexOf('.'); off != -1; off = s.indexOf('.', off + 1)) {
-                       ++segCount;
-               }
-               char[][] segs = new char[segCount][];
-               int start = 0;
-               for (int i = 0; i < segCount; ++i) {
-                       int dot = s.indexOf('.', start);
-                       int end = (dot == -1 ? s.length() : dot);
-                       segs[i] = new char[end - start];
-                       s.getChars(start, end, segs[i], 0);
-                       start = end + 1;
-               }
-               return segs;
-       }
-
-       /**
-        * Converts a char[][] to String, where segments are separated by '.'.
-        */
-       public static String toString(char[][] c) {
-               StringBuffer sb = new StringBuffer();
-               for (int i = 0, max = c.length; i < max; ++i) {
-                       if (i != 0) sb.append('.');
-                       sb.append(c[i]);
-               }
-               return sb.toString();
-       }
-
-       /**
-        * Converts a char[][] and a char[] to String, where segments are separated by '.'.
-        */
-       public static String toString(char[][] c, char[] d) {
-               if (c == null) return new String(d);
-               StringBuffer sb = new StringBuffer();
-               for (int i = 0, max = c.length; i < max; ++i) {
-                       sb.append(c[i]);
-                       sb.append('.');
-               }
-               sb.append(d);
-               return sb.toString();
-       }
-
-       /**
-        * Converts a char[] to String.
-        */
-       public static String toString(char[] c) {
-               return new String(c);
-       }
-
-       /**
-        * Converts an array of Objects into String.
-        */
-       public static String toString(Object[] objects) {
-               return toString(objects, 
-                       new Displayable(){ 
-                               public String displayString(Object o) { 
-                                       if (o == null) return "null"; //$NON-NLS-1$
-                                       return o.toString(); 
-                               }
-                       });
-       }
-
-       /**
-        * Converts an array of Objects into String.
-        */
-       public static String toString(Object[] objects, Displayable renderer) {
-               if (objects == null) return ""; //$NON-NLS-1$
-               StringBuffer buffer = new StringBuffer(10);
-               for (int i = 0; i < objects.length; i++){
-                       if (i > 0) buffer.append(", "); //$NON-NLS-1$
-                       buffer.append(renderer.displayString(objects[i]));
-               }
-               return buffer.toString();
-       }
-       
-       /**
-        * Asserts that the given method signature is valid.
-        */
-       public static void validateMethodSignature(String sig) {
-               Assert.isTrue(isValidMethodSignature(sig));
-       }
-
-       /**
-        * Asserts that the given type signature is valid.
-        */
-       public static void validateTypeSignature(String sig, boolean allowVoid) {
-               Assert.isTrue(isValidTypeSignature(sig, allowVoid));
-       }
-
-       /**
-        * Creates a NLS catalog for the given locale.
-        */
-       public static void relocalize() {
-               try {
-                       bundle = ResourceBundle.getBundle(bundleName, Locale.getDefault());
-               } catch(MissingResourceException e) {
-                       System.out.println("Missing resource : " + bundleName.replace('.', '/') + ".properties for locale " + Locale.getDefault()); //$NON-NLS-1$//$NON-NLS-2$
-                       throw e;
-               }
-       }
-       
-       /**
-        * Put all the arguments in one String.
-        */
-       public static String getProblemArgumentsForMarker(String[] arguments){
-               StringBuffer args = new StringBuffer(10);
-               
-               args.append(arguments.length);
-               args.append(':');
-               
-                       
-               for (int j = 0; j < arguments.length; j++) {
-                       if(j != 0)
-                               args.append(ARGUMENTS_DELIMITER);
-                       
-                       if(arguments[j].length() == 0) {
-                               args.append(EMPTY_ARGUMENT);
-                       } else {                        
-                               args.append(arguments[j]);
-                       }
-               }
-               
-               return args.toString();
-       }
-       
-       /**
-        * Separate all the arguments of a String made by getProblemArgumentsForMarker
-        */
-       public static String[] getProblemArgumentsFromMarker(String argumentsString){
-               if (argumentsString == null) return null;
-               int index = argumentsString.indexOf(':');
-               if(index == -1)
-                       return null;
-               
-               int length = argumentsString.length();
-               int numberOfArg;
-               try{
-                       numberOfArg = Integer.parseInt(argumentsString.substring(0 , index));
-               } catch (NumberFormatException e) {
-                       return null;
-               }
-               argumentsString = argumentsString.substring(index + 1, length);
-               
-               String[] args = new String[length];
-               int count = 0;
-               
-               StringTokenizer tokenizer = new StringTokenizer(argumentsString, ARGUMENTS_DELIMITER);
-               while(tokenizer.hasMoreTokens()) {
-                       String argument = tokenizer.nextToken();
-                       if(argument.equals(EMPTY_ARGUMENT))
-                               argument = "";  //$NON-NLS-1$
-                       args[count++] = argument;
-               }
-               
-               if(count != numberOfArg)
-                       return null;
-               
-               System.arraycopy(args, 0, args = new String[count], 0, count);
-               return args;
-       }
-       
-}