@Override
public void getLanguagesToInject(
@NotNull final MultiHostRegistrar injectionPlacesRegistrar, @NotNull PsiElement context) {
final PsiLanguageInjectionHost host = (PsiLanguageInjectionHost) context;
InjectedLanguagePlaces placesRegistrar =
(language, rangeInsideHost, prefix, suffix) ->
injectionPlacesRegistrar
.startInjecting(language)
.addPlace(prefix, suffix, host, rangeInsideHost)
.doneInjecting();
for (LanguageInjector injector :
Extensions.getExtensions(LanguageInjector.EXTENSION_POINT_NAME)) {
injector.getLanguagesToInject(host, placesRegistrar);
}
}
public void getLanguagesToInject(
@NotNull final MultiHostRegistrar registrar, @NotNull final PsiElement host) {
Pair<ASTNode, ASTNode> pair = parseConditionalCommentBoundaries(host);
if (pair == null) {
return;
}
final TextRange textRange = host.getTextRange();
final int startOffset = textRange.getStartOffset();
Language language = host.getParent().getLanguage();
ASTNode conditionalStart = pair.first;
ASTNode conditionalEnd = pair.second;
TextRange range =
new TextRange(
conditionalStart.getTextRange().getEndOffset() - startOffset,
conditionalEnd.getStartOffset() - startOffset);
registrar
.startInjecting(language)
.addPlace(null, null, (PsiLanguageInjectionHost) host, range)
.doneInjecting();
}
@Override
public void getLanguagesToInject(
@NotNull MultiHostRegistrar registrar, @NotNull PsiElement context) {
// check that we have angular directives indexed before injecting
final Project project = context.getProject();
if (!AngularIndexUtil.hasAngularJS(project)) return;
final PsiElement parent = context.getParent();
if (context instanceof XmlAttributeValueImpl && parent instanceof XmlAttribute) {
final String value = context.getText();
final int start = value.startsWith("'") || value.startsWith("\"") ? 1 : 0;
final int end = value.endsWith("'") || value.endsWith("\"") ? 1 : 0;
final int length = value.length();
if (AngularAttributesRegistry.isAngularExpressionAttribute((XmlAttribute) parent)
&& length > 1) {
registrar
.startInjecting(AngularJSLanguage.INSTANCE)
.addPlace(
null, null, (PsiLanguageInjectionHost) context, new TextRange(start, length - end))
.doneInjecting();
return;
}
if (AngularAttributesRegistry.isJSONAttribute((XmlAttribute) parent) && length > 1) {
registrar
.startInjecting(JsonLanguage.INSTANCE)
.addPlace(
null, null, (PsiLanguageInjectionHost) context, new TextRange(start, length - end))
.doneInjecting();
return;
}
if (AngularAttributesRegistry.isEventAttribute(
((XmlAttribute) parent).getName(), ((XmlAttribute) parent).getProject())
&& length > 1) {
registrar
.startInjecting(JavascriptLanguage.INSTANCE)
.addPlace(
null, null, (PsiLanguageInjectionHost) context, new TextRange(start, length - end))
.doneInjecting();
return;
}
}
if (context instanceof XmlTextImpl || context instanceof XmlAttributeValueImpl) {
final String start = AngularJSBracesUtil.getInjectionStart(project);
final String end = AngularJSBracesUtil.getInjectionEnd(project);
if (AngularJSBracesUtil.hasConflicts(start, end, context)) return;
final String text = context.getText();
int startIndex;
int endIndex = -1;
do {
startIndex = text.indexOf(start, endIndex);
int afterStart = startIndex + start.length();
endIndex = startIndex >= 0 ? text.indexOf(end, afterStart) : -1;
endIndex =
endIndex > 0 ? endIndex : ElementManipulators.getValueTextRange(context).getEndOffset();
final PsiElement injectionCandidate =
startIndex >= 0 ? context.findElementAt(startIndex) : null;
if (injectionCandidate != null
&& injectionCandidate.getNode().getElementType() != XmlTokenType.XML_COMMENT_CHARACTERS
&& !(injectionCandidate instanceof OuterLanguageElement)) {
if (afterStart > endIndex) {
LOG.error(
"Braces: "
+ start
+ ","
+ end
+ "\n"
+ "Text: \""
+ text
+ "\""
+ "\n"
+ "Interval: ("
+ afterStart
+ ","
+ endIndex
+ ")"
+ "\n"
+ "File: "
+ context.getContainingFile().getName()
+ ", language:"
+ context.getContainingFile().getLanguage());
}
registrar
.startInjecting(AngularJSLanguage.INSTANCE)
.addPlace(
null,
null,
(PsiLanguageInjectionHost) context,
new TextRange(afterStart, endIndex))
.doneInjecting();
}
} while (startIndex >= 0);
}
}