@Override
protected void addCompletions(
@NotNull CompletionParameters parameters,
ProcessingContext context,
@NotNull CompletionResultSet result) {
for (String[] completion :
RegExpLanguageHosts.getInstance().getPosixCharacterClasses(parameters.getPosition())) {
result.addElement(
LookupElementBuilder.create(completion[0])
.withTypeText((completion.length > 1) ? completion[1] : null)
.withIcon(emptyIcon)
.withInsertHandler(
new InsertHandler<LookupElement>() {
@Override
public void handleInsert(InsertionContext context, LookupElement item) {
context.setAddCompletionChar(false);
final Editor editor = context.getEditor();
final Document document = editor.getDocument();
final int tailOffset = context.getTailOffset();
if (document.getTextLength() < tailOffset + 2
|| !document
.getText(new TextRange(tailOffset, tailOffset + 2))
.equals(":]")) {
document.insertString(tailOffset, ":]");
}
editor.getCaretModel().moveCaretRelatively(2, 0, false, false, true);
}
}));
}
}
@Override
public void addCompletions(
@NotNull final CompletionParameters parameters,
final ProcessingContext context,
@NotNull final CompletionResultSet result) {
for (final String[] completion :
RegExpLanguageHosts.getInstance().getKnownCharacterClasses(parameters.getPosition())) {
addLookupElement(result, completion[0], completion[1], emptyIcon);
}
for (String[] stringArray :
RegExpLanguageHosts.getInstance().getAllKnownProperties(parameters.getPosition())) {
addLookupElement(
result,
"p{" + stringArray[0] + "}",
stringArray.length > 1 ? stringArray[1] : null,
PlatformIcons.PROPERTY_ICON);
}
}
@Override
public void addCompletions(
@NotNull final CompletionParameters parameters,
final ProcessingContext context,
@NotNull final CompletionResultSet result) {
for (String[] stringArray :
RegExpLanguageHosts.getInstance().getAllKnownProperties(parameters.getPosition())) {
result.addElement(
TailTypeDecorator.withTail(
createLookupElement(stringArray[0], null, emptyIcon),
TailType.createSimpleTailType('}')));
}
}
@Nullable
private static RegExpLanguageHost findRegExpHost(@Nullable final PsiElement element) {
if (element == null) {
return null;
}
PsiLanguageInjectionHost host =
InjectedLanguageManager.getInstance(element.getProject()).getInjectionHost(element);
if (host instanceof RegExpLanguageHost) {
return (RegExpLanguageHost) host;
}
if (host != null) {
return INSTANCE.forClass(host.getClass());
}
return null;
}