Examples with IRegion org.eclipse.jface.text.IRegion used on opensource projects

Example 1 with IRegion

use of org.eclipse.jface.text.IRegion in project che by eclipse.

the class StubUtility method fixEmptyVariables.

// remove lines for empty variables
private static String fixEmptyVariables(TemplateBuffer buffer, String[] variables) throws MalformedTreeException, BadLocationException {
    IDocument doc = new Document(buffer.getString());
    int nLines = doc.getNumberOfLines();
    MultiTextEdit edit = new MultiTextEdit();
    HashSet<Integer> removedLines = new HashSet<Integer>();
    for (int i = 0; i < variables.length; i++) {
        // look if Javadoc tags have to be added
        TemplateVariable position = findVariable(buffer, variables[i]);
        if (position == null || position.getLength() > 0) {
            continue;
        }
        int[] offsets = position.getOffsets();
        for (int k = 0; k < offsets.length; k++) {
            int line = doc.getLineOfOffset(offsets[k]);
            IRegion lineInfo = doc.getLineInformation(line);
            int offset = lineInfo.getOffset();
            String str = doc.get(offset, lineInfo.getLength());
            if (Strings.containsOnlyWhitespaces(str) && nLines > line + 1 && removedLines.add(new Integer(line))) {
                int nextStart = doc.getLineOffset(line + 1);
                edit.addChild(new DeleteEdit(offset, nextStart - offset));
            }
        }
    }
    edit.apply(doc, 0);
    return doc.get();
}

Example 2 with IRegion

use of org.eclipse.jface.text.IRegion in project che by eclipse.

the class StubUtility method insertTag.

private static void insertTag(IDocument textBuffer, int offset, int length, String[] paramNames, String[] exceptionNames, String returnType, String[] typeParameterNames, boolean isDeprecated, String lineDelimiter) throws BadLocationException {
    IRegion region = textBuffer.getLineInformationOfOffset(offset);
    if (region == null) {
        return;
    }
    String lineStart = textBuffer.get(region.getOffset(), offset - region.getOffset());
    StringBuffer buf = new StringBuffer();
    for (int i = 0; i < typeParameterNames.length; i++) {
        if (buf.length() > 0) {
            buf.append(lineDelimiter).append(lineStart);
        }
        //$NON-NLS-1$
        buf.append("@param <").append(typeParameterNames[i]).append('>');
    }
    for (int i = 0; i < paramNames.length; i++) {
        if (buf.length() > 0) {
            buf.append(lineDelimiter).append(lineStart);
        }
        //$NON-NLS-1$
        buf.append("@param ").append(paramNames[i]);
    }
    if (returnType != null && !returnType.equals("void")) {
        //$NON-NLS-1$
        if (buf.length() > 0) {
            buf.append(lineDelimiter).append(lineStart);
        }
        //$NON-NLS-1$
        buf.append("@return");
    }
    if (exceptionNames != null) {
        for (int i = 0; i < exceptionNames.length; i++) {
            if (buf.length() > 0) {
                buf.append(lineDelimiter).append(lineStart);
            }
            //$NON-NLS-1$
            buf.append("@throws ").append(exceptionNames[i]);
        }
    }
    if (isDeprecated) {
        if (buf.length() > 0) {
            buf.append(lineDelimiter).append(lineStart);
        }
        //$NON-NLS-1$
        buf.append("@deprecated");
    }
    if (buf.length() == 0 && isAllCommentWhitespace(lineStart)) {
        int prevLine = textBuffer.getLineOfOffset(offset) - 1;
        if (prevLine > 0) {
            IRegion prevRegion = textBuffer.getLineInformation(prevLine);
            int prevLineEnd = prevRegion.getOffset() + prevRegion.getLength();
            // clear full line
            //$NON-NLS-1$
            textBuffer.replace(prevLineEnd, offset + length - prevLineEnd, "");
            return;
        }
    }
    textBuffer.replace(offset, length, buf.toString());
}

Example 3 with IRegion

use of org.eclipse.jface.text.IRegion in project che by eclipse.

the class RenameAnalyzeUtil method existsInNewOccurrences.

private static boolean existsInNewOccurrences(SearchMatch searchResult, SearchResultGroup[] newOccurrences, TextChangeManager manager) {
    SearchResultGroup newGroup = findOccurrenceGroup(searchResult.getResource(), newOccurrences);
    if (newGroup == null)
        return false;
    IRegion oldEditRange = getCorrespondingEditChangeRange(searchResult, manager);
    if (oldEditRange == null)
        return false;
    SearchMatch[] newSearchResults = newGroup.getSearchResults();
    int oldRangeOffset = oldEditRange.getOffset();
    for (int i = 0; i < newSearchResults.length; i++) {
        if (newSearchResults[i].getOffset() == oldRangeOffset)
            return true;
    }
    return false;
}

Example 4 with IRegion

use of org.eclipse.jface.text.IRegion in project che by eclipse.

the class RenameAnalyzeUtil method analyzeLocalRenames.

/**
	 * This method analyzes a set of local variable renames inside one cu. It checks whether
	 * any new compile errors have been introduced by the rename(s) and whether the correct
	 * node(s) has/have been renamed.
	 *
	 * @param analyzePackages the LocalAnalyzePackages containing the information about the local renames
	 * @param cuChange the TextChange containing all local variable changes to be applied.
	 * @param oldCUNode the fully (incl. bindings) resolved AST node of the original compilation unit
	 * @param recovery whether statements and bindings recovery should be performed when parsing the changed CU
	 * @return a RefactoringStatus containing errors if compile errors or wrongly renamed nodes are found
	 * @throws CoreException thrown if there was an error greating the preview content of the change
	 */
public static RefactoringStatus analyzeLocalRenames(LocalAnalyzePackage[] analyzePackages, TextChange cuChange, CompilationUnit oldCUNode, boolean recovery) throws CoreException {
    RefactoringStatus result = new RefactoringStatus();
    ICompilationUnit compilationUnit = (ICompilationUnit) oldCUNode.getJavaElement();
    String newCuSource = cuChange.getPreviewContent(new NullProgressMonitor());
    CompilationUnit newCUNode = new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL).parse(newCuSource, compilationUnit, true, recovery, null);
    result.merge(analyzeCompileErrors(newCuSource, newCUNode, oldCUNode));
    if (result.hasError())
        return result;
    for (int i = 0; i < analyzePackages.length; i++) {
        ASTNode enclosing = getEnclosingBlockOrMethodOrLambda(analyzePackages[i].fDeclarationEdit, cuChange, newCUNode);
        // get new declaration
        IRegion newRegion = RefactoringAnalyzeUtil.getNewTextRange(analyzePackages[i].fDeclarationEdit, cuChange);
        ASTNode newDeclaration = NodeFinder.perform(newCUNode, newRegion.getOffset(), newRegion.getLength());
        Assert.isTrue(newDeclaration instanceof Name);
        VariableDeclaration declaration = getVariableDeclaration((Name) newDeclaration);
        Assert.isNotNull(declaration);
        SimpleName[] problemNodes = ProblemNodeFinder.getProblemNodes(enclosing, declaration, analyzePackages[i].fOccurenceEdits, cuChange);
        result.merge(RefactoringAnalyzeUtil.reportProblemNodes(newCuSource, problemNodes));
    }
    return result;
}

Example 5 with IRegion

use of org.eclipse.jface.text.IRegion in project che by eclipse.

the class JavaWordFinder method findWord.

public static IRegion findWord(IDocument document, int offset) {
    int start = -2;
    int end = -1;
    try {
        int pos = offset;
        char c;
        while (pos >= 0) {
            c = document.getChar(pos);
            if (!Character.isJavaIdentifierPart(c)) {
                // Check for surrogates
                if (isSurrogate(c)) {
                /*
						 * XXX: Here we should create the code point and test whether
						 * it is a Java identifier part. Currently this is not possible
						 * because java.lang.Character in 1.4 does not support surrogates
						 * and because com.ibm.icu.lang.UCharacter.isJavaIdentifierPart(int)
						 * is not correctly implemented.
						 */
                } else {
                    break;
                }
            }
            --pos;
        }
        start = pos;
        pos = offset;
        int length = document.getLength();
        while (pos < length) {
            c = document.getChar(pos);
            if (!Character.isJavaIdentifierPart(c)) {
                if (isSurrogate(c)) {
                /*
						 * XXX: Here we should create the code point and test whether
						 * it is a Java identifier part. Currently this is not possible
						 * because java.lang.Character in 1.4 does not support surrogates
						 * and because com.ibm.icu.lang.UCharacter.isJavaIdentifierPart(int)
						 * is not correctly implemented.
						 */
                } else {
                    break;
                }
            }
            ++pos;
        }
        end = pos;
    } catch (BadLocationException x) {
    }
    if (start >= -1 && end > -1) {
        if (start == offset && end == offset) {
            try {
                char c = document.getChar(offset);
                switch(c) {
                    case '-':
                        if (document.getChar(offset + 1) == '>') {
                            return new Region(offset, 2);
                        }
                        break;
                    case '>':
                        if (document.getChar(offset - 1) == '-') {
                            return new Region(offset - 1, 2);
                        }
                        break;
                    case ':':
                        if (document.getChar(offset + 1) == ':') {
                            return new Region(offset, 2);
                        } else if (document.getChar(offset - 1) == ':') {
                            return new Region(offset - 1, 2);
                        }
                        break;
                }
            } catch (BadLocationException e) {
            }
            return new Region(offset, 0);
        } else if (start == offset) {
            //XXX: probably unused...
            return new Region(start, end - start);
        } else {
            return new Region(start + 1, end - start - 1);
        }
    }
    return null;
}