Search in sources :

Example 1 with AbstractTagInjection

use of org.intellij.plugins.intelliLang.inject.config.AbstractTagInjection in project intellij-community by JetBrains.

the class XmlLanguageInjector method getInjectedLanguage.

void getInjectedLanguage(final PsiElement place, final Ref<Boolean> unparsableRef, final PairProcessor<Language, List<Trinity<PsiLanguageInjectionHost, InjectedLanguage, TextRange>>> processor) {
    if (place instanceof XmlTag) {
        final XmlTag xmlTag = (XmlTag) place;
        List<BaseInjection> injections = myConfiguration.getInjections(XmlLanguageInjectionSupport.XML_SUPPORT_ID);
        //noinspection ForLoopReplaceableByForEach
        for (int i = 0, injectionsSize = injections.size(); i < injectionsSize; i++) {
            final BaseInjection injection = injections.get(i);
            if (injection.acceptsPsiElement(xmlTag)) {
                final Language language = InjectedLanguage.findLanguageById(injection.getInjectedLanguageId());
                if (language == null)
                    continue;
                final boolean separateFiles = !injection.isSingleFile() && StringUtil.isNotEmpty(injection.getValuePattern());
                final List<Trinity<PsiLanguageInjectionHost, InjectedLanguage, TextRange>> result = ContainerUtil.newArrayList();
                xmlTag.acceptChildren(new PsiElementVisitor() {

                    @Override
                    public void visitElement(final PsiElement element) {
                        if (element instanceof XmlText) {
                            if (!(element instanceof PsiLanguageInjectionHost) || element.getTextLength() == 0)
                                return;
                            final List<TextRange> list = injection.getInjectedArea(element);
                            final InjectedLanguage l = InjectedLanguage.create(injection.getInjectedLanguageId(), injection.getPrefix(), injection.getSuffix(), false);
                            for (TextRange textRange : list) {
                                result.add(Trinity.create((PsiLanguageInjectionHost) element, l, textRange));
                            }
                        } else if (element instanceof XmlTag) {
                            if (!separateFiles)
                                unparsableRef.set(Boolean.TRUE);
                            if (injection instanceof AbstractTagInjection && ((AbstractTagInjection) injection).isApplyToSubTags()) {
                                element.acceptChildren(this);
                            }
                        }
                    }
                });
                if (!result.isEmpty()) {
                    if (separateFiles) {
                        for (Trinity<PsiLanguageInjectionHost, InjectedLanguage, TextRange> trinity : result) {
                            processor.process(language, Collections.singletonList(trinity));
                        }
                    } else {
                        processor.process(language, result);
                    }
                }
                if (injection.isTerminal()) {
                    break;
                }
            }
        }
    } else if (place instanceof XmlAttributeValue && place.getParent() instanceof XmlAttribute) {
        final XmlAttribute attribute = (XmlAttribute) place.getParent();
        final XmlAttributeValue value = (XmlAttributeValue) place;
        //if (value == null) return;
        // Check that we don't inject anything into embedded (e.g. JavaScript) content:
        // XmlToken: "
        // JSEmbeddedContent
        // XmlToken "
        // Actually IDEA shouldn't ask for injected languages at all in this case.
        final PsiElement[] children = value.getChildren();
        if (children.length < 3 || !(children[1] instanceof XmlToken) || ((XmlToken) children[1]).getTokenType() != XmlTokenType.XML_ATTRIBUTE_VALUE_TOKEN) {
            return;
        }
        List<BaseInjection> injections = myConfiguration.getInjections(XmlLanguageInjectionSupport.XML_SUPPORT_ID);
        //noinspection ForLoopReplaceableByForEach
        for (int i = 0, size = injections.size(); i < size; i++) {
            BaseInjection injection = injections.get(i);
            if (injection.acceptsPsiElement(attribute)) {
                final Language language = InjectedLanguage.findLanguageById(injection.getInjectedLanguageId());
                if (language == null)
                    continue;
                final boolean separateFiles = !injection.isSingleFile() && StringUtil.isNotEmpty(injection.getValuePattern());
                final List<TextRange> ranges = injection.getInjectedArea(value);
                if (ranges.isEmpty())
                    continue;
                final List<Trinity<PsiLanguageInjectionHost, InjectedLanguage, TextRange>> result = new ArrayList<>();
                final InjectedLanguage l = InjectedLanguage.create(injection.getInjectedLanguageId(), injection.getPrefix(), injection.getSuffix(), false);
                for (TextRange textRange : ranges) {
                    result.add(Trinity.create((PsiLanguageInjectionHost) value, l, textRange));
                }
                if (separateFiles) {
                    for (Trinity<PsiLanguageInjectionHost, InjectedLanguage, TextRange> trinity : result) {
                        processor.process(language, Collections.singletonList(trinity));
                    }
                } else {
                    processor.process(language, result);
                }
                if (injection.isTerminal()) {
                    break;
                }
            }
        }
    }
}
Also used : Trinity(com.intellij.openapi.util.Trinity) TextRange(com.intellij.openapi.util.TextRange) PsiElementVisitor(com.intellij.psi.PsiElementVisitor) BaseInjection(org.intellij.plugins.intelliLang.inject.config.BaseInjection) Language(com.intellij.lang.Language) InjectedLanguage(org.intellij.plugins.intelliLang.inject.InjectedLanguage) InjectedLanguage(org.intellij.plugins.intelliLang.inject.InjectedLanguage) PsiLanguageInjectionHost(com.intellij.psi.PsiLanguageInjectionHost) AbstractTagInjection(org.intellij.plugins.intelliLang.inject.config.AbstractTagInjection) PsiElement(com.intellij.psi.PsiElement)

Aggregations

Language (com.intellij.lang.Language)1 TextRange (com.intellij.openapi.util.TextRange)1 Trinity (com.intellij.openapi.util.Trinity)1 PsiElement (com.intellij.psi.PsiElement)1 PsiElementVisitor (com.intellij.psi.PsiElementVisitor)1 PsiLanguageInjectionHost (com.intellij.psi.PsiLanguageInjectionHost)1 InjectedLanguage (org.intellij.plugins.intelliLang.inject.InjectedLanguage)1 AbstractTagInjection (org.intellij.plugins.intelliLang.inject.config.AbstractTagInjection)1 BaseInjection (org.intellij.plugins.intelliLang.inject.config.BaseInjection)1