Examples with NodeFilter com.intellij.dupLocator.util.NodeFilter used on opensource projects

Example 1 with NodeFilter

use of com.intellij.dupLocator.util.NodeFilter in project intellij-community by JetBrains.

the class PatternCompiler method doCompile.

private static List<PsiElement> doCompile(Project project, MatchOptions options, CompiledPattern result, PrefixProvider prefixProvider, CompileContext context) {
    result.clearHandlers();
    context.init(result, options, project, options.getScope() instanceof GlobalSearchScope);
    final StringBuilder buf = new StringBuilder();
    Template template = TemplateManager.getInstance(project).createTemplate("", "", options.getSearchPattern());
    int segmentsCount = template.getSegmentsCount();
    String text = template.getTemplateText();
    buf.setLength(0);
    int prevOffset = 0;
    for (int i = 0; i < segmentsCount; ++i) {
        final int offset = template.getSegmentOffset(i);
        final String name = template.getSegmentName(i);
        final String prefix = prefixProvider.getPrefix(i);
        if (prefix == null) {
            throw new MalformedPatternException();
        }
        buf.append(text.substring(prevOffset, offset));
        buf.append(prefix);
        buf.append(name);
        MatchVariableConstraint constraint = options.getVariableConstraint(name);
        if (constraint == null) {
            // we do not edited the constraints
            constraint = new MatchVariableConstraint();
            constraint.setName(name);
            options.addVariableConstraint(constraint);
        }
        SubstitutionHandler handler = result.createSubstitutionHandler(name, prefix + name, constraint.isPartOfSearchResults(), constraint.getMinCount(), constraint.getMaxCount(), constraint.isGreedy());
        if (constraint.isWithinHierarchy()) {
            handler.setSubtype(true);
        }
        if (constraint.isStrictlyWithinHierarchy()) {
            handler.setStrictSubtype(true);
        }
        MatchPredicate predicate;
        if (!StringUtil.isEmptyOrSpaces(constraint.getRegExp())) {
            predicate = new RegExpPredicate(constraint.getRegExp(), options.isCaseSensitiveMatch(), name, constraint.isWholeWordsOnly(), constraint.isPartOfSearchResults());
            if (constraint.isInvertRegExp()) {
                predicate = new NotPredicate(predicate);
            }
            addPredicate(handler, predicate);
        }
        if (constraint.isReference()) {
            predicate = new ReferencePredicate(constraint.getNameOfReferenceVar());
            if (constraint.isInvertReference()) {
                predicate = new NotPredicate(predicate);
            }
            addPredicate(handler, predicate);
        }
        addExtensionPredicates(options, constraint, handler);
        addScriptConstraint(project, name, constraint, handler);
        if (!StringUtil.isEmptyOrSpaces(constraint.getContainsConstraint())) {
            predicate = new ContainsPredicate(name, constraint.getContainsConstraint());
            if (constraint.isInvertContainsConstraint()) {
                predicate = new NotPredicate(predicate);
            }
            addPredicate(handler, predicate);
        }
        if (!StringUtil.isEmptyOrSpaces(constraint.getWithinConstraint())) {
            assert false;
        }
        prevOffset = offset;
    }
    MatchVariableConstraint constraint = options.getVariableConstraint(Configuration.CONTEXT_VAR_NAME);
    if (constraint != null) {
        SubstitutionHandler handler = result.createSubstitutionHandler(Configuration.CONTEXT_VAR_NAME, Configuration.CONTEXT_VAR_NAME, constraint.isPartOfSearchResults(), constraint.getMinCount(), constraint.getMaxCount(), constraint.isGreedy());
        if (!StringUtil.isEmptyOrSpaces(constraint.getWithinConstraint())) {
            MatchPredicate predicate = new WithinPredicate(Configuration.CONTEXT_VAR_NAME, constraint.getWithinConstraint(), options.getFileType(), project);
            if (constraint.isInvertWithinConstraint()) {
                predicate = new NotPredicate(predicate);
            }
            addPredicate(handler, predicate);
        }
        addExtensionPredicates(options, constraint, handler);
        addScriptConstraint(project, Configuration.CONTEXT_VAR_NAME, constraint, handler);
    }
    buf.append(text.substring(prevOffset, text.length()));
    PsiElement[] matchStatements;
    try {
        matchStatements = MatcherImplUtil.createTreeFromText(buf.toString(), PatternTreeContext.Block, options.getFileType(), options.getDialect(), options.getPatternContext(), project, false);
        if (matchStatements.length == 0)
            throw new MalformedPatternException();
    } catch (IncorrectOperationException e) {
        throw new MalformedPatternException(e.getMessage());
    }
    NodeFilter filter = LexicalNodesFilter.getInstance();
    GlobalCompilingVisitor compilingVisitor = new GlobalCompilingVisitor();
    compilingVisitor.compile(matchStatements, context);
    ArrayList<PsiElement> elements = new ArrayList<>();
    for (PsiElement matchStatement : matchStatements) {
        if (!filter.accepts(matchStatement)) {
            elements.add(matchStatement);
        }
    }
    new DeleteNodesAction(compilingVisitor.getLexicalNodes()).run();
    return elements;
}