Example usage for org.eclipse.jdt.core.compiler ITerminalSymbols TokenNameStringLiteral

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.compiler ITerminalSymbols TokenNameStringLiteral.

Prototype

int TokenNameStringLiteral

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Usage

From source file:com.android.ide.eclipse.adt.internal.refactorings.extractstring.ExtractStringRefactoring.java

License:Open Source License

/**
 * Try to find the selected Java element in the compilation unit.
 *
 * If selection matches a string literal, capture it, otherwise add a fatal error
 * to the status.//from ww  w. j a  v a 2  s .  c  o m
 *
 * On success, advance the monitor by 3.
 * Returns status.isOK().
 */
private boolean findSelectionInJavaUnit(ICompilationUnit unit, RefactoringStatus status,
        IProgressMonitor monitor) {
    try {
        IBuffer buffer = unit.getBuffer();

        IScanner scanner = ToolFactory.createScanner(false, //tokenizeComments
                false, //tokenizeWhiteSpace
                false, //assertMode
                false //recordLineSeparator
        );
        scanner.setSource(buffer.getCharacters());
        monitor.worked(1);

        for (int token = scanner.getNextToken(); token != ITerminalSymbols.TokenNameEOF; token = scanner
                .getNextToken()) {
            if (scanner.getCurrentTokenStartPosition() <= mSelectionStart
                    && scanner.getCurrentTokenEndPosition() >= mSelectionEnd) {
                // found the token, but only keep if the right type
                if (token == ITerminalSymbols.TokenNameStringLiteral) {
                    mTokenString = new String(scanner.getCurrentTokenSource());
                }
                break;
            } else if (scanner.getCurrentTokenStartPosition() > mSelectionEnd) {
                // scanner is past the selection, abort.
                break;
            }
        }
    } catch (JavaModelException e1) {
        // Error in unit.getBuffer. Ignore.
    } catch (InvalidInputException e2) {
        // Error in scanner.getNextToken. Ignore.
    } finally {
        monitor.worked(1);
    }

    if (mTokenString != null) {
        // As a literal string, the token should have surrounding quotes. Remove them.
        // Note: unquoteAttrValue technically removes either " or ' paired quotes, whereas
        // the Java token should only have " quotes. Since we know the type to be a string
        // literal, there should be no confusion here.
        mTokenString = unquoteAttrValue(mTokenString);

        // We need a non-empty string literal
        if (mTokenString.length() == 0) {
            mTokenString = null;
        }
    }

    if (mTokenString == null) {
        status.addFatalError("Please select a Java string literal.");
    }

    monitor.worked(1);
    return status.isOK();
}

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From source file:com.android.ide.eclipse.adt.refactorings.extractstring.ExtractStringRefactoring.java

License:Open Source License

/**
 * Try to find the selected Java element in the compilation unit.
 * //from w  w w.j a  va  2  s.  c  om
 * If selection matches a string literal, capture it, otherwise add a fatal error
 * to the status.
 * 
 * On success, advance the monitor by 3.
 */
private boolean findSelectionInJavaUnit(ICompilationUnit unit, RefactoringStatus status,
        IProgressMonitor monitor) {
    try {
        IBuffer buffer = unit.getBuffer();

        IScanner scanner = ToolFactory.createScanner(false, //tokenizeComments
                false, //tokenizeWhiteSpace
                false, //assertMode
                false //recordLineSeparator
        );
        scanner.setSource(buffer.getCharacters());
        monitor.worked(1);

        for (int token = scanner.getNextToken(); token != ITerminalSymbols.TokenNameEOF; token = scanner
                .getNextToken()) {
            if (scanner.getCurrentTokenStartPosition() <= mSelectionStart
                    && scanner.getCurrentTokenEndPosition() >= mSelectionEnd) {
                // found the token, but only keep of the right type
                if (token == ITerminalSymbols.TokenNameStringLiteral) {
                    mTokenString = new String(scanner.getCurrentTokenSource());
                }
                break;
            } else if (scanner.getCurrentTokenStartPosition() > mSelectionEnd) {
                // scanner is past the selection, abort.
                break;
            }
        }
    } catch (JavaModelException e1) {
        // Error in unit.getBuffer. Ignore.
    } catch (InvalidInputException e2) {
        // Error in scanner.getNextToken. Ignore.
    } finally {
        monitor.worked(1);
    }

    if (mTokenString != null) {
        // As a literal string, the token should have surrounding quotes. Remove them.
        int len = mTokenString.length();
        if (len > 0 && mTokenString.charAt(0) == '"' && mTokenString.charAt(len - 1) == '"') {
            mTokenString = mTokenString.substring(1, len - 1);
        }
        // We need a non-empty string literal
        if (mTokenString.length() == 0) {
            mTokenString = null;
        }
    }

    if (mTokenString == null) {
        status.addFatalError("Please select a Java string literal.");
    }

    monitor.worked(1);
    return status.isOK();
}

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From source file:comparison.SJavaTokenComparator.java

License:Open Source License

/**
 * Returns the length of the token that//from  w  ww.  j  a  v  a2s.c om
 * initiates the given comment type.
 *
 * @param tokenType
 * @return the length of the token that start a comment
 * @since 3.3
 */
private static int getCommentStartTokenLength(int tokenType) {
    if (tokenType == ITerminalSymbols.TokenNameCOMMENT_JAVADOC) {
        return 3;
    } else if (tokenType == ITerminalSymbols.TokenNameStringLiteral) {
        return 1;
    } else {
        return 2;
    }
}

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