/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * Copyright (c) 2000, 2004 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
package net.sourceforge.phpdt.internal.core.util;
import java.io.BufferedInputStream;
+import java.io.DataInput;
+import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
+import java.io.OutputStream;
import java.io.PrintStream;
+import java.io.UTFDataFormatException;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
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.JavaModelException;
import net.sourceforge.phpdt.core.Signature;
import net.sourceforge.phpdt.core.compiler.CharOperation;
+import net.sourceforge.phpdt.internal.core.Assert;
import net.sourceforge.phpdt.internal.core.PackageFragmentRoot;
-import net.sourceforge.phpdt.internal.corext.Assert;
import net.sourceforge.phpdt.internal.ui.util.PHPFileUtil;
+import net.sourceforge.phpeclipse.internal.compiler.ast.TypeReference;
import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
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;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.text.edits.MalformedTreeException;
+import org.eclipse.text.edits.TextEdit;
/**
* 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 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];
+ 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);
+ }
- /**
- * 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.util.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();
- }
+ private static final String ARGUMENTS_DELIMITER = "#"; //$NON-NLS-1$
- /**
- * 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});
- }
+ /* Bundle containing messages */
+ protected static ResourceBundle bundle;
- /**
- * 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;
- }
+ private final static String bundleName = "net.sourceforge.phpdt.internal.core.util.messages"; //$NON-NLS-1$
- /**
- * 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;
- }
+ private final static char[] DOUBLE_QUOTES = "''".toCharArray(); //$NON-NLS-1$
- /**
- * 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);
- }
+ private static final String EMPTY_ARGUMENT = " "; //$NON-NLS-1$
- /**
- * 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('/', '.');
- }
+ public static final String[] fgEmptyStringArray = new String[0];
- /**
- * 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;
- }
+ private final static char[] SINGLE_QUOTE = "'".toCharArray(); //$NON-NLS-1$
- /**
- * 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;
- }
+ static {
+ relocalize();
+ }
- /**
- * 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;
- }
+ private Util() {
+ // cannot be instantiated
+ }
- /**
- * 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);
- }
+ /**
+ * Lookup the message with the given ID in this catalog
+ */
+ public static String bind(String id) {
+ return bind(id, (String[]) null);
+ }
- 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 && ProjectPrefUtil.isExcluded(resource, root.fullExclusionPatternChars());
- case IJavaElement.COMPILATION_UNIT:
- root = (PackageFragmentRoot)element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
- resource = element.getResource();
-// if (resource != null && ProjectPrefUtil.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);
- }
+ /**
+ * 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 });
+ }
- /**
- * 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;
- }
+ /**
+ * 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 });
+ }
- /**
- * 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;
-// }
+ /**
+ * 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);
- /**
- * 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;
- }
+ if (bindings == null)
+ return new String(messageWithNoDoubleQuotes);
- /*
- * 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);
-// }
- /*
- * 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.PLUGIN_ID,
- 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;
- }
- }
+ int length = messageWithNoDoubleQuotes.length;
+ int start = 0;
+ int end = length;
+ StringBuffer output = null;
+ while (true) {
+ if ((end = CharOperation.indexOf('{', messageWithNoDoubleQuotes, start)) > -1) {
+ if (output == null)
+ output = new StringBuffer(length + bindings.length * 20);
+ output.append(messageWithNoDoubleQuotes, start, end - start);
+ if ((start = CharOperation.indexOf('}', messageWithNoDoubleQuotes, end + 1)) > -1) {
+ int index = -1;
+ String argId = new String(messageWithNoDoubleQuotes, end + 1, start - end - 1);
+ try {
+ index = Integer.parseInt(argId);
+ output.append(bindings[index]);
+ } catch (NumberFormatException nfe) { // could be nested message ID {compiler.name}
+ boolean done = false;
+ if (!id.equals(argId)) {
+ String argMessage = null;
+ try {
+ argMessage = bundle.getString(argId);
+ output.append(argMessage);
+ done = true;
+ } catch (MissingResourceException e) {
+ // unable to bind argument, ignore (will leave argument in)
+ }
+ }
+ if (!done)
+ output.append(messageWithNoDoubleQuotes, end + 1, start - end);
+ } catch (ArrayIndexOutOfBoundsException e) {
+ output.append("{missing " + Integer.toString(index) + "}"); //$NON-NLS-2$ //$NON-NLS-1$
+ }
+ start++;
+ } else {
+ output.append(messageWithNoDoubleQuotes, end, length);
+ break;
+ }
+ } else {
+ if (output == null)
+ return new String(messageWithNoDoubleQuotes);
+ output.append(messageWithNoDoubleQuotes, start, length - start);
+ break;
+ }
+ }
+ return output.toString();
+ }
- /**
- * 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()));
- }
+ /**
+ * 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;
+ }
- /**
- * 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);
- }
- }
+ /**
+ * Combines two hash codes to make a new one.
+ */
+ public static int combineHashCodes(int hashCode1, int hashCode2) {
+ return hashCode1 * 17 + hashCode2;
+ }
- /**
- * 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);
- }
- }
+ /**
+ * 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;
+ }
- /**
- * 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);
- }
- }
+ /**
+ * Compares two strings lexicographically. The comparison is based on the Unicode value of each character in the strings.
+ *
+ * @return the value <code>0</code> if the str1 is equal to str2; a value less than <code>0</code> if str1 is
+ * lexicographically less than str2; and a value greater than <code>0</code> if str1 is lexicographically greater than
+ * str2.
+ */
+ public static int compare(char[] str1, char[] str2) {
+ int len1 = str1.length;
+ int len2 = str2.length;
+ int n = Math.min(len1, len2);
+ int i = 0;
+ while (n-- != 0) {
+ char c1 = str1[i];
+ char c2 = str2[i++];
+ if (c1 != c2) {
+ return c1 - c2;
+ }
+ }
+ return len1 - len2;
+ }
- /**
- * 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();
- }
+ /**
+ * 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);
+ }
- /**
- * 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);
- }
- }
+ /**
+ * 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);
+ }
- /**
- * 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);
- }
- }
+ /**
+ * 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);
+ }
- /**
- * 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);
- }
+ /**
+ * Converts a type signature from the IBinaryType representation to the DC representation.
+ */
+ public static String convertTypeSignature(char[] sig) {
+ return new String(sig).replace('/', '.');
+ }
- /**
- * 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);
- }
+ /**
+ * Apply the given edit on the given string and return the updated string. Return the given string if anything wrong happen while
+ * applying the edit.
+ *
+ * @param original
+ * the given string
+ * @param edit
+ * the given edit
+ *
+ * @return the updated string
+ */
+ public final static String editedString(String original, TextEdit edit) {
+ if (edit == null) {
+ return original;
+ }
+ SimpleDocument document = new SimpleDocument(original);
+ try {
+ edit.apply(document, TextEdit.NONE);
+ return document.get();
+ } catch (MalformedTreeException e) {
+ e.printStackTrace();
+ } catch (BadLocationException e) {
+ e.printStackTrace();
+ }
+ return original;
+ }
- /**
- * 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);
- }
+ /**
+ * Returns true iff str.toLowerCase().endsWith(end.toLowerCase()) implementation is not creating extra strings.
+ */
+ public final static boolean endsWithIgnoreCase(String str, String end) {
- /**
- * Sorts an array of Comparable objects in place.
- */
- public static void sort(Comparable[] objects) {
- if (objects.length > 1)
- quickSort(objects, 0, objects.length - 1);
- }
+ int strLength = str == null ? 0 : str.length();
+ int endLength = end == null ? 0 : end.length();
- /**
- * 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;
- }
+ // return false if the string is smaller than the end.
+ if (endLength > strLength)
+ return false;
- /**
- * 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;
- }
+ // 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;
+ }
- /**
- * 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;
- }
+ return true;
+ }
- /**
- * 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);
- }
+ /**
+ * 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;
+ }
- /**
- * 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;
- }
+ /**
+ * 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;
- /**
- * 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;
- }
+ 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;
+ }
- /**
- * 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;
- }
+ /**
+ * 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;
+ }
- /**
- * 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();
- }
+ /**
+ * 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;
+ }
- /**
- * 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();
- }
+ /**
+ * 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);
+ }
- /**
- * Converts a char[] to String.
- */
- public static String toString(char[] c) {
- return new String(c);
- }
+ /**
+ * 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);
+ }
- /**
- * 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();
- }
- });
- }
+ /**
+ * 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;
+ }
- /**
- * 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));
- }
+ /**
+ * 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);
+ }
- /**
- * Asserts that the given type signature is valid.
- */
- public static void validateTypeSignature(String sig, boolean allowVoid) {
- Assert.isTrue(isValidTypeSignature(sig, allowVoid));
- }
- public static void verbose(String log) {
- verbose(log, System.out);
- }
- public static synchronized void verbose(String log, PrintStream printStream) {
- int start = 0;
- do {
- int end = log.indexOf('\n', start);
- printStream.print(Thread.currentThread());
- printStream.print(" "); //$NON-NLS-1$
- printStream.print(log.substring(start, end == -1 ? log.length() : end+1));
- start = end+1;
- } while (start != 0);
- printStream.println();
- }
- /**
- * 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;
+ private static IFile findFirstClassFile(IFolder folder) {
+ try {
+ IResource[] members = folder.members();
+ for (int i = 0, max = members.length; i < max; i++) {
+ IResource member = members[i];
+ if (member.getType() == IResource.FOLDER) {
+ return findFirstClassFile((IFolder) member);
+ } else if (net.sourceforge.phpdt.internal.compiler.util.Util.isClassFileName(member.getName())) {
+ return (IFile) member;
+ }
+ }
+ } catch (CoreException e) {
+ // ignore
+ }
+ return null;
+ }
+
+ /**
+ * 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;
+ }
+
+ // public static IClassFileAttribute getAttribute(IClassFileReader classFileReader, char[] attributeName) {
+ // IClassFileAttribute[] attributes = classFileReader.getAttributes();
+ // for (int i = 0, max = attributes.length; i < max; i++) {
+ // if (CharOperation.equals(attributes[i].getAttributeName(), attributeName)) {
+ // return attributes[i];
+ // }
+ // }
+ // return null;
+ // }
+ //
+ // public static IClassFileAttribute getAttribute(ICodeAttribute codeAttribute, char[] attributeName) {
+ // IClassFileAttribute[] attributes = codeAttribute.getAttributes();
+ // for (int i = 0, max = attributes.length; i < max; i++) {
+ // if (CharOperation.equals(attributes[i].getAttributeName(), attributeName)) {
+ // return attributes[i];
+ // }
+ // }
+ // return null;
+ // }
+
+ // public static IClassFileAttribute getAttribute(IFieldInfo fieldInfo, char[] attributeName) {
+ // IClassFileAttribute[] attributes = fieldInfo.getAttributes();
+ // for (int i = 0, max = attributes.length; i < max; i++) {
+ // if (CharOperation.equals(attributes[i].getAttributeName(), attributeName)) {
+ // return attributes[i];
+ // }
+ // }
+ // return null;
+ // }
+ //
+ // public static IClassFileAttribute getAttribute(IMethodInfo methodInfo, char[] attributeName) {
+ // IClassFileAttribute[] attributes = methodInfo.getAttributes();
+ // for (int i = 0, max = attributes.length; i < max; i++) {
+ // if (CharOperation.equals(attributes[i].getAttributeName(), attributeName)) {
+ // return attributes[i];
+ // }
+ // }
+ // return null;
+ // }
+ /**
+ * Get the jdk level of this root. The value can be:
+ * <ul>
+ * <li>major < <16 + minor : see predefined constants on ClassFileConstants</li>
+ * <li><code>0</null> if the root is a source package fragment root or if a Java model exception occured</li>
+ * </ul>
+ * Returns the jdk level
+ */
+ // public static long getJdkLevel(Object targetLibrary) {
+ // try {
+ // ClassFileReader reader = null;
+ // if (targetLibrary instanceof IFolder) {
+ // IFile classFile = findFirstClassFile((IFolder) targetLibrary); // only internal classfolders are allowed
+ // if (classFile != null) {
+ // byte[] bytes = Util.getResourceContentsAsByteArray(classFile);
+ // IPath location = classFile.getLocation();
+ // reader = new ClassFileReader(bytes, location == null ? null : location.toString().toCharArray());
+ // }
+ // } else {
+ // // root is a jar file or a zip file
+ // ZipFile jar = null;
+ // try {
+ // IPath path = null;
+ // if (targetLibrary instanceof IResource) {
+ // path = ((IResource)targetLibrary).getLocation();
+ // } else if (targetLibrary instanceof File){
+ // File f = (File) targetLibrary;
+ // if (!f.isDirectory()) {
+ // path = new Path(((File)targetLibrary).getPath());
+ // }
+ // }
+ // if (path != null) {
+ // jar = JavaModelManager.getJavaModelManager().getZipFile(path);
+ // for (Enumeration e= jar.entries(); e.hasMoreElements();) {
+ // ZipEntry member= (ZipEntry) e.nextElement();
+ // String entryName= member.getName();
+ // if (net.sourceforge.phpdt.internal.compiler.util.Util.isClassFileName(entryName)) {
+ // reader = ClassFileReader.read(jar, entryName);
+ // break;
+ // }
+ // }
+ // }
+ // } catch (CoreException e) {
+ // // ignore
+ // } finally {
+ // JavaModelManager.getJavaModelManager().closeZipFile(jar);
+ // }
+ // }
+ // if (reader != null) {
+ // return reader.getVersion();
+ // }
+ // } catch(JavaModelException e) {
+ // // ignore
+ // } catch(ClassFormatException e) {
+ // // ignore
+ // } catch(IOException e) {
+ // // ignore
+ // }
+ // return 0;
+ // }
+ /**
+ * 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 net.sourceforge.phpdt.internal.compiler.util.Util.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;
+ }
+
+ /**
+ * 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;
+ }
+
+ /**
+ * 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) {
+ // ignore
+ }
+ }
+ }
+
+ /**
+ * Returns the given file's contents as a character array.
+ */
+ public static char[] getResourceContentsAsCharArray(IFile file) throws JavaModelException {
+ // Get encoding from file
+ String encoding = null;
+ try {
+ encoding = file.getCharset();
+ } catch (CoreException ce) {
+ // do not use any encoding
+ }
+ return getResourceContentsAsCharArray(file, encoding);
+ }
+
+ public static char[] getResourceContentsAsCharArray(IFile file, String encoding) throws JavaModelException {
+ // Get resource contents
+ 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) {
+ // ignore
+ }
+ }
+ }
+
+ /**
+ * 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 the index of the most specific argument paths which is strictly enclosing the path to check
+ */
+ public static int indexOfEnclosingPath(IPath checkedPath, IPath[] paths, int pathCount) {
+
+ int bestMatch = -1, bestLength = -1;
+ for (int i = 0; i < pathCount; i++) {
+ if (paths[i].equals(checkedPath))
+ continue;
+ if (paths[i].isPrefixOf(checkedPath)) {
+ int currentLength = paths[i].segmentCount();
+ if (currentLength > bestLength) {
+ bestLength = currentLength;
+ bestMatch = i;
+ }
+ }
+ }
+ return bestMatch;
+ }
+
+ /*
+ * Returns the index of the first argument paths which is equal to the path to check
+ */
+ public static int indexOfMatchingPath(IPath checkedPath, IPath[] paths, int pathCount) {
+
+ for (int i = 0; i < pathCount; i++) {
+ if (paths[i].equals(checkedPath))
+ return i;
+ }
+ return -1;
+ }
+
+ /*
+ * Returns the index of the first argument paths which is strictly nested inside the path to check
+ */
+ public static int indexOfNestedPath(IPath checkedPath, IPath[] paths, int pathCount) {
+
+ for (int i = 0; i < pathCount; i++) {
+ if (checkedPath.equals(paths[i]))
+ continue;
+ if (checkedPath.isPrefixOf(paths[i]))
+ return i;
+ }
+ return -1;
+ }
+
+ /*
+ * Returns whether the given java element is exluded from its root's classpath. It doesn't check whether the root itself is on the
+ * classpath or not
+ */
+ public static final boolean isExcluded(IJavaElement element) {
+ int elementType = element.getElementType();
+ PackageFragmentRoot root = null;
+ IResource resource = null;
+ switch (elementType) {
+ case IJavaElement.JAVA_MODEL:
+ case IJavaElement.JAVA_PROJECT:
+ case IJavaElement.PACKAGE_FRAGMENT_ROOT:
+ return false;
+
+ // case IJavaElement.PACKAGE_FRAGMENT:
+ // PackageFragmentRoot root = (PackageFragmentRoot)element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
+ // IResource resource = element.getResource();
+ // return resource != null && isExcluded(resource, root.fullInclusionPatternChars(), root.fullExclusionPatternChars());
+
+ case IJavaElement.COMPILATION_UNIT:
+ root = (PackageFragmentRoot) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
+ resource = element.getResource();
+ // if (resource != null && isExcluded(resource, root.fullInclusionPatternChars(), 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 inclusion/exclusion patterns. NOTE: should not be asked directly
+ * using pkg root pathes
+ *
+ * @see IClasspathEntry#getInclusionPatterns
+ * @see IClasspathEntry#getExclusionPatterns
+ */
+ public final static boolean isExcluded(IPath resourcePath, char[][] inclusionPatterns, char[][] exclusionPatterns,
+ boolean isFolderPath) {
+ if (inclusionPatterns == null && exclusionPatterns == null)
+ return false;
+ char[] path = resourcePath.toString().toCharArray();
+
+ inclusionCheck: if (inclusionPatterns != null) {
+ for (int i = 0, length = inclusionPatterns.length; i < length; i++) {
+ char[] pattern = inclusionPatterns[i];
+ char[] folderPattern = pattern;
+ if (isFolderPath) {
+ int lastSlash = CharOperation.lastIndexOf('/', pattern);
+ if (lastSlash != -1 && lastSlash != pattern.length - 1) { // trailing slash -> adds '**' for free (see
+ // http://ant.apache.org/manual/dirtasks.html)
+ int star = CharOperation.indexOf('*', pattern, lastSlash);
+ if ((star == -1 || star >= pattern.length - 1 || pattern[star + 1] != '*')) {
+ folderPattern = CharOperation.subarray(pattern, 0, lastSlash);
+ }
+ }
+ }
+ if (CharOperation.pathMatch(folderPattern, path, true, '/')) {
+ break inclusionCheck;
+ }
+ }
+ return true; // never included
+ }
+ if (isFolderPath) {
+ path = CharOperation.concat(path, new char[] { '*' }, '/');
+ }
+ exclusionCheck: if (exclusionPatterns != null) {
+ for (int i = 0, length = exclusionPatterns.length; i < length; i++) {
+ if (CharOperation.pathMatch(exclusionPatterns[i], path, true, '/')) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ 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
+ return isExcluded(path, null, exclusionPatterns, resource.getType() == IResource.FOLDER);
+ }
+
+ /*
+ * Returns whether the given resource matches one of the exclusion patterns. NOTE: should not be asked directly using pkg root
+ * pathes
+ *
+ * @see IClasspathEntry#getExclusionPatterns
+ */
+ public final static boolean isExcluded(IResource resource, char[][] inclusionPatterns, char[][] exclusionPatterns) {
+ IPath path = resource.getFullPath();
+ // ensure that folders are only excluded if all of their children are excluded
+ return isExcluded(path, inclusionPatterns, exclusionPatterns, resource.getType() == IResource.FOLDER);
+ }
+
+ /**
+ * 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;
+ // }
+ /**
+ * 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;
+ }
+
+ /**
+ * 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;
+ }
+ /**
+ * 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;
+ }
+
+ /*
+ * 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.PLUGIN_ID, 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();
+ }
+ 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()));
+ }
+
+ /**
+ * 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();
+ }
+
+ /**
+ * Returns the length of the common prefix between s1 and s2.
+ */
+ public static int prefixLength(char[] s1, char[] s2) {
+ int len = 0;
+ int max = Math.min(s1.length, s2.length);
+ for (int i = 0; i < max && s1[i] == s2[i]; ++i)
+ ++len;
+ return len;
+ }
+
+ /**
+ * Returns the length of the common prefix between s1 and s2.
+ */
+ public static int prefixLength(String s1, String s2) {
+ int len = 0;
+ int max = Math.min(s1.length(), s2.length());
+ for (int i = 0; i < max && s1.charAt(i) == s2.charAt(i); ++i)
+ ++len;
+ return len;
+ }
+
+ private static void quickSort(char[][] list, int left, int right) {
+ int original_left = left;
+ int original_right = right;
+ char[] mid = list[(left + right) / 2];
+ do {
+ while (compare(list[left], mid) < 0) {
+ left++;
+ }
+ while (compare(mid, list[right]) < 0) {
+ right--;
+ }
+ if (left <= right) {
+ char[] tmp = list[left];
+ list[left] = list[right];
+ list[right] = tmp;
+ left++;
+ right--;
+ }
+ } while (left <= right);
+ if (original_left < right) {
+ quickSort(list, original_left, right);
+ }
+ if (left < original_right) {
+ quickSort(list, left, original_right);
+ }
+ }
+
+ /**
+ * 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);
+ }
+ }
+
+ private static void quickSort(int[] list, int left, int right) {
+ int original_left = left;
+ int original_right = right;
+ int mid = list[(left + right) / 2];
+ do {
+ while (list[left] < mid) {
+ left++;
+ }
+ while (mid < list[right]) {
+ right--;
+ }
+ if (left <= right) {
+ int tmp = list[left];
+ list[left] = list[right];
+ list[right] = tmp;
+ left++;
+ right--;
+ }
+ } while (left <= right);
+ if (original_left < right) {
+ quickSort(list, original_left, right);
+ }
+ if (left < original_right) {
+ quickSort(list, left, original_right);
+ }
+ }
+
+ /**
+ * 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 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 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);
+ }
+ }
+
+ /**
+ * 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);
+ }
+ }
+
+ /**
+ * Reads in a string from the specified data input stream. The string has been encoded using a modified UTF-8 format.
+ * <p>
+ * The first two bytes are read as if by <code>readUnsignedShort</code>. This value gives the number of following bytes that
+ * are in the encoded string, not the length of the resulting string. The following bytes are then interpreted as bytes encoding
+ * characters in the UTF-8 format and are converted into characters.
+ * <p>
+ * This method blocks until all the bytes are read, the end of the stream is detected, or an exception is thrown.
+ *
+ * @param in
+ * a data input stream.
+ * @return a Unicode string.
+ * @exception EOFException
+ * if the input stream reaches the end before all the bytes.
+ * @exception IOException
+ * if an I/O error occurs.
+ * @exception UTFDataFormatException
+ * if the bytes do not represent a valid UTF-8 encoding of a Unicode string.
+ * @see java.io.DataInputStream#readUnsignedShort()
+ */
+ public final static char[] readUTF(DataInput in) throws IOException {
+ int utflen = in.readUnsignedShort();
+ char str[] = new char[utflen];
+ int count = 0;
+ int strlen = 0;
+ while (count < utflen) {
+ int c = in.readUnsignedByte();
+ int char2, char3;
+ switch (c >> 4) {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+ // 0xxxxxxx
+ count++;
+ str[strlen++] = (char) c;
+ break;
+ case 12:
+ case 13:
+ // 110x xxxx 10xx xxxx
+ count += 2;
+ if (count > utflen)
+ throw new UTFDataFormatException();
+ char2 = in.readUnsignedByte();
+ if ((char2 & 0xC0) != 0x80)
+ throw new UTFDataFormatException();
+ str[strlen++] = (char) (((c & 0x1F) << 6) | (char2 & 0x3F));
+ break;
+ case 14:
+ // 1110 xxxx 10xx xxxx 10xx xxxx
+ count += 3;
+ if (count > utflen)
+ throw new UTFDataFormatException();
+ char2 = in.readUnsignedByte();
+ char3 = in.readUnsignedByte();
+ if (((char2 & 0xC0) != 0x80) || ((char3 & 0xC0) != 0x80))
+ throw new UTFDataFormatException();
+ str[strlen++] = (char) (((c & 0x0F) << 12) | ((char2 & 0x3F) << 6) | ((char3 & 0x3F) << 0));
+ break;
+ default:
+ // 10xx xxxx, 1111 xxxx
+ throw new UTFDataFormatException();
+ }
+ }
+ if (strlen < utflen) {
+ System.arraycopy(str, 0, str = new char[strlen], 0, strlen);
+ }
+ return str;
+ }
+
+ /**
+ * 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;
+ }
+ }
+
+ public static void sort(char[][] list) {
+ if (list.length > 1)
+ quickSort(list, 0, list.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);
+ }
+
+ public static void sort(int[] list) {
+ if (list.length > 1)
+ quickSort(list, 0, list.length - 1);
+ }
+
+ /**
+ * 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 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 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, 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, 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 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.
+ */
+ public static String toString(char[] c) {
+ return new String(c);
+ }
+
+ /**
+ * 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();
+ }
+
+ /*
+ * Returns the unresolved type parameter signatures of the given method e.g. {"QString;", "[int", "[[Qjava.util.Vector;"}
+ */
+ // public static String[] typeParameterSignatures(AbstractMethodDeclaration method) {
+ // Argument[] args = method.arguments;
+ // if (args != null) {
+ // int length = args.length;
+ // String[] signatures = new String[length];
+ // for (int i = 0; i < args.length; i++) {
+ // Argument arg = args[i];
+ // signatures[i] = typeSignature(arg.type);
+ // }
+ // return signatures;
+ // }
+ // return new String[0];
+ // }
+ /*
+ * Returns the unresolved type signature of the given type reference, e.g. "QString;", "[int", "[[Qjava.util.Vector;"
+ */
+ // public static String typeSignature(TypeReference type) {
+ // char[][] compoundName = type.getTypeName();
+ // char[] typeName =CharOperation.concatWith(compoundName, '.');
+ // String signature = Signature.createTypeSignature(typeName, false/*don't resolve*/);
+ // int dimensions = type.dimensions();
+ // if (dimensions > 0) {
+ // signature = Signature.createArraySignature(signature, dimensions);
+ // }
+ // return signature;
+ // }
+ /*
+ * Returns the unresolved type signature of the given type reference,
+ * e.g. "QString;", "[int", "[[Qjava.util.Vector;"
+ */
+ public static String typeSignature(TypeReference type) {
+ char[][] compoundName = type.getTypeName();
+ char[] typeName =CharOperation.concatWith(compoundName, '.');
+ String signature = Signature.createTypeSignature(typeName, false/*don't resolve*/);
+ int dimensions = type.dimensions();
+ if (dimensions > 0) {
+ signature = Signature.createArraySignature(signature, dimensions);
}
-
- if(count != numberOfArg)
- return null;
-
- System.arraycopy(args, 0, args = new String[count], 0, count);
- return args;
- }
-
-}
+ return signature;
+ }
+ /**
+ * 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));
+ }
+
+ public static void verbose(String log) {
+ verbose(log, System.out);
+ }
+
+ public static synchronized void verbose(String log, PrintStream printStream) {
+ int start = 0;
+ do {
+ int end = log.indexOf('\n', start);
+ printStream.print(Thread.currentThread());
+ printStream.print(" "); //$NON-NLS-1$
+ printStream.print(log.substring(start, end == -1 ? log.length() : end + 1));
+ start = end + 1;
+ } while (start != 0);
+ printStream.println();
+ }
+
+ /**
+ * Writes a string to the given output stream using UTF-8 encoding in a machine-independent manner.
+ * <p>
+ * First, two bytes are written to the output stream as if by the <code>writeShort</code> method giving the number of bytes to
+ * follow. This value is the number of bytes actually written out, not the length of the string. Following the length, each
+ * character of the string is output, in sequence, using the UTF-8 encoding for the character.
+ *
+ * @param str
+ * a string to be written.
+ * @return the number of bytes written to the stream.
+ * @exception IOException
+ * if an I/O error occurs.
+ * @since JDK1.0
+ */
+ public static int writeUTF(OutputStream out, char[] str) throws IOException {
+ int strlen = str.length;
+ int utflen = 0;
+ for (int i = 0; i < strlen; i++) {
+ int c = str[i];
+ if ((c >= 0x0001) && (c <= 0x007F)) {
+ utflen++;
+ } else if (c > 0x07FF) {
+ utflen += 3;
+ } else {
+ utflen += 2;
+ }
+ }
+ if (utflen > 65535)
+ throw new UTFDataFormatException();
+ out.write((utflen >>> 8) & 0xFF);
+ out.write((utflen >>> 0) & 0xFF);
+ if (strlen == utflen) {
+ for (int i = 0; i < strlen; i++)
+ out.write(str[i]);
+ } else {
+ for (int i = 0; i < strlen; i++) {
+ int c = str[i];
+ if ((c >= 0x0001) && (c <= 0x007F)) {
+ out.write(c);
+ } else if (c > 0x07FF) {
+ out.write(0xE0 | ((c >> 12) & 0x0F));
+ out.write(0x80 | ((c >> 6) & 0x3F));
+ out.write(0x80 | ((c >> 0) & 0x3F));
+ } else {
+ out.write(0xC0 | ((c >> 6) & 0x1F));
+ out.write(0x80 | ((c >> 0) & 0x3F));
+ }
+ }
+ }
+ return utflen + 2; // the number of bytes written to the stream
+ }
+}
\ No newline at end of file
git://git.phpeclipse.com / phpeclipse.git / blobdiff