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

Example 31 with ITypedRegion

use of org.eclipse.jface.text.ITypedRegion in project linuxtools by eclipse.

the class STPAutoEditStrategy method smartIndentAfterOpeningBracket.

private void smartIndentAfterOpeningBracket(IDocument d, DocumentCommand c) {
    if (c.offset < 1 || d.getLength() == 0)
        return;
    int p = (c.offset == d.getLength() ? c.offset - 1 : c.offset);
    try {
        STPHeuristicScanner scanner = new STPHeuristicScanner(d);
        ITypedRegion partition = TextUtilities.getPartition(d, fPartitioning, p, false);
        if (STPPartitionScanner.STP_CONDITIONAL.equals(partition.getType())) {
            scanner = new STPHeuristicScanner(d, fPartitioning, STPPartitionScanner.STP_CONDITIONAL);
        }
        // current line
        int line = d.getLineOfOffset(c.offset);
        int lineOffset = d.getLineOffset(line);
        // make sure we don't have any leading comments etc.
        if (!d.get(lineOffset, c.offset - lineOffset).trim().isEmpty())
            return;
        // Line of last C code
        int pos = scanner.findNonWhitespaceBackward(p, STPHeuristicScanner.UNBOUND);
        if (pos == -1)
            return;
        int lastLine = d.getLineOfOffset(pos);
        // Only shift if the last C line is further up and is a braceless block candidate
        if (lastLine < line) {
            STPIndenter indenter = new STPIndenter(d, scanner, fProject);
            StringBuilder indent = indenter.computeIndentation(p, true);
            String toDelete = d.get(lineOffset, c.offset - lineOffset);
            if (indent != null && !indent.toString().equals(toDelete)) {
                c.text = indent.append(c.text).toString();
                c.length += c.offset - lineOffset;
                c.offset = lineOffset;
            }
        }
    } catch (BadLocationException e) {
        IDEPlugin.log(e);
    }
}

Example 32 with ITypedRegion

use of org.eclipse.jface.text.ITypedRegion in project linuxtools by eclipse.

the class STPAutoEditStrategy method inStringOrComment.

private boolean inStringOrComment(IDocument d, DocumentCommand c) {
    int docLength = d.getLength();
    if (c.offset == -1 || docLength == 0)
        return false;
    try {
        ITypedRegion partition = TextUtilities.getPartition(d, fPartitioning, c.offset, false);
        String partitionType = partition.getType();
        if (c.offset > 0 && (STPPartitionScanner.STP_COMMENT.equals(partitionType) || STPPartitionScanner.STP_MULTILINE_COMMENT.equals(partitionType) || STPPartitionScanner.STP_STRING.equals(partitionType))) {
            return true;
        }
        IRegion lineInfo = d.getLineInformationOfOffset(c.offset);
        int offset = lineInfo.getOffset();
        boolean inChar = false;
        boolean inString = false;
        boolean inComment = false;
        for (int i = offset; i < c.offset; ++i) {
            char ch = d.getChar(i);
            switch(ch) {
                case '\"':
                    if (!inChar)
                        inString = !inString;
                    break;
                case '\'':
                    if (!inString)
                        inChar = !inChar;
                    break;
                case '\\':
                    ++i;
                    break;
                case '/':
                    if (!inString && !inChar) {
                        ch = d.getChar(i + 1);
                        if (ch == '/')
                            // We have a line comment
                            return true;
                        else if (ch == '*')
                            inComment = true;
                    }
                    break;
                case '#':
                    if (!inString && !inChar)
                        return true;
                    break;
                case '*':
                    if (!inString && !inChar) {
                        if (inComment) {
                            ch = d.getChar(i + 1);
                            if (ch == '/')
                                inComment = false;
                        }
                    }
                    break;
            }
        }
        return inString || inChar || inComment;
    } catch (BadLocationException e) {
        IDEPlugin.log(e);
    }
    return false;
}

Example 33 with ITypedRegion

use of org.eclipse.jface.text.ITypedRegion in project linuxtools by eclipse.

the class STPCompletionProcessor method getHoverInfo.

@Override
public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
    String documentation = null;
    try {
        String keyword = textViewer.getDocument().get(hoverRegion.getOffset(), hoverRegion.getLength());
        int offset = hoverRegion.getOffset();
        IDocument document = textViewer.getDocument();
        if (getPrecedingToken(document, offset - 1).tokenString.equals(PROBE_KEYWORD.trim())) {
            documentation = ManpageCacher.getDocumentation(TapsetItemType.PROBE, keyword);
        } else {
            ITypedRegion partition = ((IDocumentExtension3) document).getPartition(STPProbeScanner.STP_PROBE_PARTITIONING, offset, false);
            if (partition.getType() == STPProbeScanner.STP_PROBE) {
                if (isFunctionRegion(document, hoverRegion)) {
                    documentation = ManpageCacher.getDocumentation(TapsetItemType.FUNCTION, keyword);
                } else {
                    String probe = getProbe(document, offset);
                    if (stpMetadataSingleton.isVariableInProbe(probe, keyword)) {
                        documentation = ManpageCacher.getDocumentation(TapsetItemType.PROBEVAR, probe, keyword);
                    }
                }
            }
        }
    } catch (BadLocationException | BadPartitioningException e) {
    // Bad hover location/scenario; just ignore it.
    }
    return documentation;
}

Example 34 with ITypedRegion

use of org.eclipse.jface.text.ITypedRegion in project linuxtools by eclipse.

the class STPCompletionProcessor method getProbe.

/**
 * Returns the full name of the probe surrounding the given
 * offset. This function assumes that the given offset is inside
 * of a {@link STPPartitionScanner#STP_PROBE} section.
 * @param document
 * @param offset
 * @return the probe name
 * @throws BadLocationException
 * @throws BadPartitioningException
 */
private String getProbe(IDocument document, int offset) throws BadLocationException, BadPartitioningException {
    String probePoint = null;
    ITypedRegion partition = ((IDocumentExtension3) document).getPartition(STPProbeScanner.STP_PROBE_PARTITIONING, offset, false);
    String probe = document.get(partition.getOffset(), partition.getLength());
    // make sure that we are inside a probe
    if (probe.startsWith(PROBE_KEYWORD)) {
        probePoint = probe.substring(PROBE_KEYWORD.length(), probe.indexOf('{'));
        probePoint = probePoint.trim();
    }
    return probePoint;
}

Example 35 with ITypedRegion

use of org.eclipse.jface.text.ITypedRegion in project linuxtools by eclipse.

the class STPCompletionProcessor method computeCompletionProposals.

public ICompletionProposal[] computeCompletionProposals(IDocument document, int offset) {
    ITypedRegion partition = null;
    boolean useGlobal = false;
    try {
        partition = ((IDocumentExtension3) document).getPartition(STPProbeScanner.STP_PROBE_PARTITIONING, offset, false);
        if (partition.getOffset() == offset) {
            if (partition.getType() != IDocument.DEFAULT_CONTENT_TYPE && partition.getType() != STPProbeScanner.STP_PROBE) {
                if (offset > 0) {
                    ITypedRegion prevPartition = ((IDocumentExtension3) document).getPartition(STPProbeScanner.STP_PROBE_PARTITIONING, offset - 1, false);
                    useGlobal = prevPartition.getType() == IDocument.DEFAULT_CONTENT_TYPE;
                } else {
                    useGlobal = true;
                }
            }
        }
    } catch (BadLocationException | BadPartitioningException e) {
        return NO_COMPLETIONS;
    }
    // $NON-NLS-1$
    String prefix = "";
    // $NON-NLS-1$
    String prePrefix = "";
    // Get completion hint from document
    try {
        prefix = getPrefix(document, offset);
        Token previousToken = getPrecedingToken(document, offset - prefix.length() - 1);
        while (// $NON-NLS-1$
        previousToken.tokenString.equals("=") || previousToken.tokenString.equals(",")) {
            // $NON-NLS-1$
            previousToken = getPrecedingToken(document, previousToken.offset - 1);
            previousToken = getPrecedingToken(document, previousToken.offset - 1);
        }
        prePrefix = previousToken.tokenString;
    } catch (BadLocationException e) {
        return NO_COMPLETIONS;
    }
    if (prePrefix.startsWith("probe")) {
        // $NON-NLS-1$
        return getProbeCompletionList(prefix, offset);
    }
    // which can be called.
    if (partition.getType() == STPProbeScanner.STP_PROBE) {
        ICompletionProposal[] variableCompletions = getProbeVariableCompletions(document, offset, prefix);
        ICompletionProposal[] functionCompletions = getFunctionCompletions(offset, prefix);
        ArrayList<ICompletionProposal> completions = new ArrayList<>(variableCompletions.length + functionCompletions.length);
        completions.addAll(Arrays.asList(variableCompletions));
        completions.addAll(Arrays.asList(functionCompletions));
        return completions.toArray(new ICompletionProposal[0]);
    } else if (partition.getType() == IDocument.DEFAULT_CONTENT_TYPE || useGlobal) {
        // In the global scope return global keyword completion.
        return getGlobalKeywordCompletion(prefix, offset);
    }
    return NO_COMPLETIONS;
}