*/
package net.sourceforge.phpdt.internal.corext.textmanipulation;
-//import net.sourceforge.phpdt.core.ISourceRange;
+// import net.sourceforge.phpdt.core.ISourceRange;
//
-//import net.sourceforge.phpdt.internal.corext.Assert;
+// import net.sourceforge.phpdt.internal.corext.Assert;
public final class TextRange {
- /* package */ int fOffset;
- /* package */ int fLength;
-
- public static final TextRange UNDEFINED= new TextRange((TextRange)null);
+ /* package */int fOffset;
+
+ /* package */int fLength;
+
+ public static final TextRange UNDEFINED = new TextRange((TextRange) null);
/**
* Creates a insert position with the given offset.
- *
- * @param offset the position offset, must be >= 0
+ *
+ * @param offset
+ * the position offset, must be >= 0
*/
public TextRange(int offset) {
this(offset, 0);
}
-
+
/**
* Creates a new range with the given offset and length.
- *
- * @param offset the position offset, must be >= 0
- * @param length the position length, must be >= 0
+ *
+ * @param offset
+ * the position offset, must be >= 0
+ * @param length
+ * the position length, must be >= 0
*/
public TextRange(int offset, int length) {
- fOffset= offset;
-// Assert.isTrue(fOffset >= 0);
- fLength= length;
-// Assert.isTrue(fLength >= 0);
+ fOffset = offset;
+ // Assert.isTrue(fOffset >= 0);
+ fLength = length;
+ // Assert.isTrue(fLength >= 0);
}
-
+
/**
* Constructor for the undefined text range.
*/
private TextRange(TextRange dummy) {
- fOffset= -1;
- fLength= -1;
+ fOffset = -1;
+ fLength = -1;
}
-
+
public static TextRange createFromStartAndLength(int start, int length) {
return new TextRange(start, length);
}
-
+
public static TextRange createFromStartAndInclusiveEnd(int start, int end) {
return new TextRange(start, end - start + 1);
}
-
+
public static TextRange createFromStartAndExclusiveEnd(int start, int end) {
return new TextRange(start, end - start);
}
-
+
/**
* Creates a new range from the given source range.
*
* @range the source range denoting offset and length
*/
-// public TextRange(ISourceRange range) {
-// this(range.getOffset(), range.getLength());
-// }
-
+ // public TextRange(ISourceRange range) {
+ // this(range.getOffset(), range.getLength());
+ // }
/**
* Returns the offset of this range.
- *
+ *
* @return the length of this range
*/
public int getOffset() {
return fOffset;
}
-
+
/**
* Returns the length of this range.
- *
+ *
* @return the length of this range
*/
public int getLength() {
return fLength;
}
-
+
/**
- * Returns the inclusive end position of this range. That means that the end position
- * denotes the last character of this range.
+ * Returns the inclusive end position of this range. That means that the end
+ * position denotes the last character of this range.
*
* @return the inclusive end position
*/
public int getInclusiveEnd() {
return fOffset + fLength - 1;
}
-
+
/**
- * Returns the exclusive end position of this range. That means that the end position
- * denotes the first character after this range.
+ * Returns the exclusive end position of this range. That means that the end
+ * position denotes the first character after this range.
*
* @return the exclusive end position
*/
public int getExclusiveEnd() {
return fOffset + fLength;
}
-
+
/**
* Creates a copy of this <code>TextRange</code>.
*
return this;
return new TextRange(fOffset, fLength);
}
-
+
/**
- * Returns <code>true</code> if this text range is the <code>UNDEFINED</code>
- * text range. Otherwise <code>false</code> is returned.
+ * Returns <code>true</code> if this text range is the
+ * <code>UNDEFINED</code> text range. Otherwise <code>false</code> is
+ * returned.
*/
public boolean isUndefined() {
return UNDEFINED == this;
}
-
+
/**
- * Checks if this <code>TextRange</code> is valid. For valid text range the following
- * expression evaluates to <code>true</code>:
+ * Checks if this <code>TextRange</code> is valid. For valid text range
+ * the following expression evaluates to <code>true</code>:
+ *
* <pre>
- * getOffset() >= 0 && getLength() >= 0
+ * getOffset() >= 0 && getLength() >= 0
* </pre>
*
- * @return <code>true</code> if this text range is a valid range. Otherwise <code>
+ * @return <code>true</code> if this text range is a valid range.
+ * Otherwise <code>
* false</code>
*/
public boolean isValid() {
return fOffset >= 0 && fLength >= 0;
}
-
- /* package */ boolean isInsertionPoint() {
+
+ /* package */boolean isInsertionPoint() {
return fLength == 0;
}
-
- /* package */ boolean equals(TextRange range) {
+
+ /* package */boolean equals(TextRange range) {
return fOffset == range.fOffset && fLength == range.fLength;
}
- /* package */ boolean isEqualInsertionPoint(TextRange range) {
+ /* package */boolean isEqualInsertionPoint(TextRange range) {
return fLength == 0 && range.fLength == 0 && fOffset == range.fOffset;
}
- /* package */ boolean liesBehind(TextRange range) {
+ /* package */boolean liesBehind(TextRange range) {
return fOffset >= range.fOffset + range.fLength;
}
- /* package */ boolean isInsertionPointAt(int o) {
+ /* package */boolean isInsertionPointAt(int o) {
return fOffset == o && fLength == 0;
}
-
- /* package */ boolean covers(TextRange other) {
- if (fLength == 0) { // an insertion point can't cover anything
+
+ /* package */boolean covers(TextRange other) {
+ if (fLength == 0) { // an insertion point can't cover anything
return false;
} else if (other.fLength == 0) {
- int otherOffset= other.fOffset;
+ int otherOffset = other.fOffset;
return fOffset < otherOffset && otherOffset < fOffset + fLength;
} else {
- int otherOffset= other.fOffset;
- return fOffset <= otherOffset && otherOffset + other.fLength <= fOffset + fLength;
+ int otherOffset = other.fOffset;
+ return fOffset <= otherOffset
+ && otherOffset + other.fLength <= fOffset + fLength;
}
}
- /* non Java-doc
+
+ /*
+ * non Java-doc
+ *
* @see Object#toString()
*/
public String toString() {
- StringBuffer buffer= new StringBuffer();
+ StringBuffer buffer = new StringBuffer();
buffer.append(TextManipulationMessages.getString("TextRange.offset")); //$NON-NLS-1$
buffer.append(fOffset);
buffer.append(TextManipulationMessages.getString("TextRange.length")); //$NON-NLS-1$
}
public boolean equals(Object obj) {
- if (! (obj instanceof TextRange))
+ if (!(obj instanceof TextRange))
return false;
- TextRange other= (TextRange)obj;
+ TextRange other = (TextRange) obj;
return fOffset == other.getOffset() && fLength == other.getLength();
}
}
}
-
git://git.phpeclipse.com / phpeclipse.git / blobdiff