Examples with PerlSimpleCompletionProcessor com.perl5.lang.perl.idea.completion.providers.processors.PerlSimpleCompletionProcessor used on opensource projects

Example 11 with PerlSimpleCompletionProcessor

use of com.perl5.lang.perl.idea.completion.providers.processors.PerlSimpleCompletionProcessor in project Perl5-IDEA by Camelcade.

the class PodTitleCompletionProvider method addCompletions.

@Override
protected void addCompletions(@NotNull CompletionParameters parameters, @NotNull ProcessingContext context, @NotNull CompletionResultSet result) {
    PsiElement element = parameters.getPosition();
    PsiElement elementParent = element.getParent();
    if (PsiUtilCore.getElementType(element) != POD_IDENTIFIER || element.getPrevSibling() != null || !(elementParent instanceof PodSectionTitle)) {
        return;
    }
    IElementType grandparentElementType = PsiUtilCore.getElementType(elementParent.getParent());
    PerlSimpleCompletionProcessor completionProcessor = new PerlSimpleCompletionProcessor(parameters, result, element);
    if (grandparentElementType == HEAD_1_SECTION) {
        for (String sectionTitle : DEFAULT_POD_SECTIONS) {
            if (completionProcessor.matches(sectionTitle) && !completionProcessor.process(LookupElementBuilder.create(sectionTitle))) {
                break;
            }
        }
    }
    final PsiFile elementFile = element.getContainingFile().getOriginalFile();
    final PsiFile perlFile = PodFileUtil.getTargetPerlFile(elementFile);
    if (perlFile == null) {
        return;
    }
    Set<PerlSubElement> possibleTargets = new HashSet<>();
    PerlPsiUtil.processSubElements(perlFile, possibleTargets::add);
    elementFile.accept(new PodRecursiveVisitor() {

        @Override
        public void visitTargetableSection(PodTitledSection o) {
            processSection(o);
            super.visitTargetableSection(o);
        }

        private void processSection(@NotNull PodTitledSection o) {
            PsiElement titleBlock = o.getTitleElement();
            if (titleBlock == null) {
                return;
            }
            PsiElement firstChild = titleBlock.getFirstChild();
            if (firstChild == null) {
                return;
            }
            // noinspection SuspiciousMethodCalls
            Arrays.stream(firstChild.getReferences()).filter(it -> it instanceof PodSubReference).flatMap(it -> Arrays.stream(((PodSubReference) it).multiResolve(false))).map(ResolveResult::getElement).forEach(possibleTargets::remove);
        }
    });
    for (PerlSubElement subElement : possibleTargets) {
        String lookupString = StringUtil.notNullize(subElement.getPresentableName());
        if (completionProcessor.matches(lookupString) && !completionProcessor.process(LookupElementBuilder.create(subElement, lookupString).withIcon(subElement.getIcon(0)))) {
            break;
        }
    }
    completionProcessor.logStatus(getClass());
}