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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/utility/TextRange.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/utility/TextRange.java | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/utility/TextRange.java b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/utility/TextRange.java deleted file mode 100644 index 0c6505572b..0000000000 --- a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/utility/TextRange.java +++ /dev/null @@ -1,114 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 2008 Oracle. All rights reserved. - * This program and the accompanying materials are made available under the - * terms of the Eclipse Public License v1.0, which accompanies this distribution - * and is available at http://www.eclipse.org/legal/epl-v10.html. - * - * Contributors: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.core.utility; - -/** - * A text range defines the offset into, length of, and line of a piece - * of text. - * - * Provisional API: This interface is part of an interim API that is still - * under development and expected to change significantly before reaching - * stability. It is available at this early stage to solicit feedback from - * pioneering adopters on the understanding that any code that uses this API - * will almost certainly be broken (repeatedly) as the API evolves. - * - * This interface is not intended to be implemented by clients. - */ -public interface TextRange { - - /** - * Returns the offset of the text. - * - * @return the offset of the text - */ - int getOffset(); - - /** - * Return the length of the text. - */ - int getLength(); - - /** - * Return whether the range includes the character at the specified index. - */ - boolean includes(int index); - - /** - * Return whether the range touches an insertion cursor at the - * specified index. - */ - boolean touches(int index); - - /** - * Return the line number of the text. - */ - int getLineNumber(); - - /** - * Return true if the offsets and lengths are the same. - */ - boolean equals(Object obj); - - /** - * Return a hash code that corresponds to the #equals() contract. - */ - int hashCode(); - - - /** - * Empty implementation of text range. - */ - final class Empty implements TextRange { - public static final TextRange INSTANCE = new Empty(); - public static TextRange instance() { - return INSTANCE; - } - // ensure single instance - private Empty() { - super(); - } - public int getOffset() { - return 0; - } - public int getLength() { - return 0; - } - public boolean includes(int index) { - return false; - } - public boolean touches(int index) { - return index == 0; // ??? - } - public int getLineNumber() { - return 0; - } - @Override - public boolean equals(Object o) { - if (o == this) { - return true; - } - if ( ! (o instanceof TextRange)) { - return false; - } - TextRange r = (TextRange) o; - return (r.getOffset() == 0) - && (r.getLength() == 0); - } - @Override - public int hashCode() { - return 0; - } - @Override - public String toString() { - return "TextRange.Empty"; - } - } - -} |