Examples with IContentAssistHelpInvocationContext org.eclipse.cdt.ui.text.IContentAssistHelpInvocationContext used on opensource projects

Example 1 with IContentAssistHelpInvocationContext

use of org.eclipse.cdt.ui.text.IContentAssistHelpInvocationContext in project linuxtools by eclipse.

the class LibHover method getMatchingFunctions.

@Override
public IFunctionSummary[] getMatchingFunctions(ICHelpInvocationContext context, ICHelpBook[] helpBooks, String prefix) {
    ArrayList<IFunctionSummary> fList = new ArrayList<>();
    ITranslationUnit t = context.getTranslationUnit();
    boolean qualifiedCPP = false;
    if (t.isCXXLanguage()) {
        try {
            if (context instanceof IContentAssistHelpInvocationContext) {
                // We know the file offset of the member reference.
                IASTCompletionNode node = ((IContentAssistHelpInvocationContext) context).getCompletionNode();
                IASTName[] names = node.getNames();
                for (IASTName name : names) {
                    if (name.isQualified()) {
                        qualifiedCPP = true;
                        break;
                    }
                }
            }
        } catch (IllegalArgumentException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    if (!qualifiedCPP) {
        for (int di = 0; di < helpBooks.length; ++di) {
            LibHoverLibrary l = libraries.get(helpBooks[di]);
            LibHoverInfo cppInfo = l.getHoverInfo();
            SortedMap<String, FunctionInfo> map = cppInfo.functions.tailMap(prefix);
            Set<Map.Entry<String, FunctionInfo>> c = map.entrySet();
            for (Iterator<Entry<String, FunctionInfo>> i = c.iterator(); i.hasNext(); ) {
                Map.Entry<String, FunctionInfo> e = i.next();
                FunctionInfo x = e.getValue();
                String name = x.getName();
                // never be offered as a choice for an empty prefix.
                if (name.startsWith(prefix) && !name.startsWith("0")) {
                    // $NON-NLS-1$
                    FunctionSummary f = new FunctionSummary();
                    f.ReturnType = x.getReturnType();
                    f.Prototype = x.getPrototype();
                    f.Summary = x.getDescription();
                    f.Name = x.getName();
                    ArrayList<String> headers = x.getHeaders();
                    for (int i1 = 0; i1 < headers.size(); ++i1) {
                        f.setIncludeName(headers.get(i1));
                    }
                    fList.add(f);
                }
            }
        }
    }
    IFunctionSummary[] summaries = new IFunctionSummary[fList.size()];
    for (int k = 0; k < summaries.length; k++) {
        summaries[k] = fList.get(k);
    }
    return summaries;
}