--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v0.5
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v05.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ ******************************************************************************/
+package net.sourceforge.phpdt.internal.compiler.problem;
+
+import net.sourceforge.phpdt.core.compiler.IProblem;
+import net.sourceforge.phpdt.internal.compiler.env.ICompilationUnit;
+import net.sourceforge.phpdt.internal.compiler.util.Util;
+
+public class DefaultProblem implements ProblemSeverities, IProblem {
+
+ private char[] fileName;
+ private int id;
+ private int startPosition, endPosition, line;
+ private int severity;
+ private String[] arguments;
+ private String message;
+
+ public DefaultProblem(
+ char[] originatingFileName,
+ String message,
+ int id,
+ String[] stringArguments,
+ int severity,
+ int startPosition,
+ int endPosition,
+ int line) {
+
+ this.fileName = originatingFileName;
+ this.message = message;
+ this.id = id;
+ this.arguments = stringArguments;
+ this.severity = severity;
+ this.startPosition = startPosition;
+ this.endPosition = endPosition;
+ this.line = line;
+ }
+
+ public String errorReportSource(ICompilationUnit compilationUnit) {
+ //extra from the source the innacurate token
+ //and "highlight" it using some underneath ^^^^^
+ //put some context around too.
+
+ //this code assumes that the font used in the console is fixed size
+
+ //sanity .....
+ if ((startPosition > endPosition)
+ || ((startPosition <= 0) && (endPosition <= 0)))
+ return Util.bind("problem.noSourceInformation"); //$NON-NLS-1$
+
+ final char SPACE = '\u0020';
+ final char MARK = '^';
+ final char TAB = '\t';
+ char[] source = compilationUnit.getContents();
+ //the next code tries to underline the token.....
+ //it assumes (for a good display) that token source does not
+ //contain any \r \n. This is false on statements !
+ //(the code still works but the display is not optimal !)
+
+ //compute the how-much-char we are displaying around the inaccurate token
+ int begin = startPosition >= source.length ? source.length - 1 : startPosition;
+ int relativeStart = 0;
+ int end = endPosition >= source.length ? source.length - 1 : endPosition;
+ int relativeEnd = 0;
+ label : for (relativeStart = 0;; relativeStart++) {
+ if (begin == 0)
+ break label;
+ if ((source[begin - 1] == '\n') || (source[begin - 1] == '\r'))
+ break label;
+ begin--;
+ }
+ label : for (relativeEnd = 0;; relativeEnd++) {
+ if ((end + 1) >= source.length)
+ break label;
+ if ((source[end + 1] == '\r') || (source[end + 1] == '\n')) {
+ break label;
+ }
+ end++;
+ }
+ //extract the message form the source
+ char[] extract = new char[end - begin + 1];
+ System.arraycopy(source, begin, extract, 0, extract.length);
+ char c;
+ //remove all SPACE and TAB that begin the error message...
+ int trimLeftIndex = 0;
+ while (((c = extract[trimLeftIndex++]) == TAB) || (c == SPACE)) {
+ };
+ System.arraycopy(
+ extract,
+ trimLeftIndex - 1,
+ extract = new char[extract.length - trimLeftIndex + 1],
+ 0,
+ extract.length);
+ relativeStart -= trimLeftIndex;
+ //buffer spaces and tabs in order to reach the error position
+ int pos = 0;
+ char[] underneath = new char[extract.length]; // can't be bigger
+ for (int i = 0; i <= relativeStart; i++) {
+ if (extract[i] == TAB) {
+ underneath[pos++] = TAB;
+ } else {
+ underneath[pos++] = SPACE;
+ }
+ }
+ //mark the error position
+ for (int i = startPosition;
+ i <= (endPosition >= source.length ? source.length - 1 : endPosition);
+ i++)
+ underneath[pos++] = MARK;
+ //resize underneathto remove 'null' chars
+ System.arraycopy(underneath, 0, underneath = new char[pos], 0, pos);
+
+ return " " + Util.bind("problem.atLine", String.valueOf(line)) //$NON-NLS-2$ //$NON-NLS-1$
+ + "\n\t" + new String(extract) + "\n\t" + new String(underneath); //$NON-NLS-2$ //$NON-NLS-1$
+ }
+
+ /**
+ * Answer back the original arguments recorded into the problem.
+ * @return java.lang.String[]
+ */
+ public String[] getArguments() {
+
+ return arguments;
+ }
+
+ /**
+ * Answer the type of problem.
+ * @see org.eclipse.jdt.core.compiler.IProblem#getID()
+ * @return int
+ */
+ public int getID() {
+
+ return id;
+ }
+
+ /**
+ * Answer a localized, human-readable message string which describes the problem.
+ * @return java.lang.String
+ */
+ public String getMessage() {
+
+ return message;
+ }
+
+ /**
+ * Answer the file name in which the problem was found.
+ * @return char[]
+ */
+ public char[] getOriginatingFileName() {
+
+ return fileName;
+ }
+
+ /**
+ * Answer the end position of the problem (inclusive), or -1 if unknown.
+ * @return int
+ */
+ public int getSourceEnd() {
+
+ return endPosition;
+ }
+
+ /**
+ * Answer the line number in source where the problem begins.
+ * @return int
+ */
+ public int getSourceLineNumber() {
+
+ return line;
+ }
+
+ /**
+ * Answer the start position of the problem (inclusive), or -1 if unknown.
+ * @return int
+ */
+ public int getSourceStart() {
+
+ return startPosition;
+ }
+
+ /*
+ * Helper method: checks the severity to see if the Error bit is set.
+ * @return boolean
+ */
+ public boolean isError() {
+
+ return (severity & ProblemSeverities.Error) != 0;
+ }
+
+ /*
+ * Helper method: checks the severity to see if the Error bit is not set.
+ * @return boolean
+ */
+ public boolean isWarning() {
+
+ return (severity & ProblemSeverities.Error) == 0;
+ }
+
+ /**
+ * Set the end position of the problem (inclusive), or -1 if unknown.
+ *
+ * Used for shifting problem positions.
+ * @param sourceEnd the new value of the sourceEnd of the receiver
+ */
+ public void setSourceEnd(int sourceEnd) {
+
+ endPosition = sourceEnd;
+ }
+
+ /**
+ * Set the line number in source where the problem begins.
+ * @param lineNumber the new value of the line number of the receiver
+ */
+ public void setSourceLineNumber(int lineNumber) {
+
+ line = lineNumber;
+ }
+
+ /**
+ * Set the start position of the problem (inclusive), or -1 if unknown.
+ *
+ * Used for shifting problem positions.
+ * @param sourceStart the new value of the source start position of the receiver
+ */
+ public void setSourceStart(int sourceStart) {
+
+ startPosition = sourceStart;
+ }
+
+ public String toString() {
+
+ String s = "Pb(" + (id & IgnoreCategoriesMask) + ") "; //$NON-NLS-1$ //$NON-NLS-2$
+ if (message != null) {
+ s += message;
+ } else {
+ if (arguments != null)
+ for (int i = 0; i < arguments.length; i++)
+ s += " " + arguments[i]; //$NON-NLS-1$
+ }
+ return s;
+ }
+}
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