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/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.psi;
import com.intellij.openapi.extensions.ExtensionPointName;
import org.jetbrains.annotations.NotNull;
/**
* Describes logic for injecting language inside hosting PSI element.
* E.g. "inject XPath language into all XML attributes named 'select' that sit inside XML tag prefixed with 'xsl:'".
* @see com.intellij.psi.PsiLanguageInjectionHost
* @see com.intellij.lang.injection.MultiHostInjector
*/
public interface LanguageInjector {
ExtensionPointName<LanguageInjector> EXTENSION_POINT_NAME = ExtensionPointName.create("com.intellij.languageInjector");
/**
* @param host PSI element inside which your language will be injected.
* @param injectionPlacesRegistrar stores places where injection occurs. <br>
* Call its {@link com.intellij.psi.InjectedLanguagePlaces#addPlace(com.intellij.lang.Language, com.intellij.openapi.util.TextRange, String, String)}
* method to register particular injection place.
* For example, to inject your language in string literal inside quotes, you might want to <br>
* <code>injectionPlacesRegistrar.addPlace(myLanguage, new TextRange(1,host.getTextLength()-1))</code>
*/
void getLanguagesToInject(@NotNull PsiLanguageInjectionHost host, @NotNull InjectedLanguagePlaces injectionPlacesRegistrar);
}
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