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Commit 3aa43aa

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Expression Language Injection (raw impl.)
1 parent aa23718 commit 3aa43aa

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4 files changed

+547
-60
lines changed

4 files changed

+547
-60
lines changed
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package fr.adrienbrault.idea.symfony2plugin.config.xml;
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import com.intellij.lang.injection.MultiHostInjector;
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import com.intellij.lang.injection.MultiHostRegistrar;
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import com.intellij.patterns.PlatformPatterns;
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import com.intellij.patterns.XmlElementPattern;
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import com.intellij.patterns.XmlPatterns;
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import com.intellij.psi.ElementManipulators;
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import com.intellij.psi.PsiElement;
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import com.intellij.psi.PsiLanguageInjectionHost;
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import com.intellij.psi.xml.XmlText;
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import fr.adrienbrault.idea.symfony2plugin.Symfony2ProjectComponent;
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import fr.adrienbrault.idea.symfony2plugin.expressionLanguage.ExpressionLanguage;
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import org.jetbrains.annotations.NotNull;
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import java.util.Collections;
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import java.util.List;
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public class XmlLanguageInjector implements MultiHostInjector {
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@Override
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public void getLanguagesToInject(@NotNull MultiHostRegistrar registrar, @NotNull PsiElement context) {
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if (!Symfony2ProjectComponent.isEnabled(context.getProject())) {
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return;
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}
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if (isExpressionLanguageString(context)) {
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registrar
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.startInjecting(ExpressionLanguage.INSTANCE)
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.addPlace(null, null, (PsiLanguageInjectionHost) context, ElementManipulators.getValueTextRange(context))
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.doneInjecting();
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}
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}
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@Override
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public @NotNull List<? extends Class<? extends PsiElement>> elementsToInjectIn() {
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return Collections.singletonList(XmlText.class);
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}
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private boolean isExpressionLanguageString(@NotNull PsiElement element) {
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return PlatformPatterns.or(
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getExpressionArgumentPattern(),
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getRouteConditionPattern()
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).accepts(element);
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}
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/**
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* <argument type="expression">container.get('service_id')</argument>
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*/
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private XmlElementPattern.XmlTextPattern getExpressionArgumentPattern() {
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return XmlPatterns
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.xmlText()
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.withParent(XmlPatterns
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.xmlTag()
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.withName("argument")
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.withAttributeValue("type", "expression")
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)
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.inside(
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XmlHelper.getInsideTagPattern("services")
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).inFile(XmlHelper.getXmlFilePattern());
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}
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/**
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* <routes ...>
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* <route ...>
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* <condition>context.getMethod() in ['GET', 'HEAD']</condition>
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* </route>
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* </routes>
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*/
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private XmlElementPattern.XmlTextPattern getRouteConditionPattern() {
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return XmlPatterns
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.xmlText()
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.withParent(XmlPatterns
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.xmlTag()
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.withName("condition")
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.withParent(XmlPatterns
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.xmlTag()
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.withName("route")
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.withParent(XmlPatterns
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.xmlTag()
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.withName("routes")
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)
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)
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)
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.inFile(XmlHelper.getXmlFilePattern());
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}
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}
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package fr.adrienbrault.idea.symfony2plugin.config.yaml;
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import com.intellij.lang.injection.MultiHostInjector;
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import com.intellij.lang.injection.MultiHostRegistrar;
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import com.intellij.openapi.util.TextRange;
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import com.intellij.patterns.PlatformPatterns;
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import com.intellij.psi.ElementManipulators;
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import com.intellij.psi.PsiElement;
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import fr.adrienbrault.idea.symfony2plugin.Symfony2ProjectComponent;
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import fr.adrienbrault.idea.symfony2plugin.expressionLanguage.ExpressionLanguage;
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import fr.adrienbrault.idea.symfony2plugin.util.yaml.YamlHelper;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.yaml.psi.YAMLPsiElement;
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import org.jetbrains.yaml.psi.YAMLQuotedText;
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import java.util.Collections;
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import java.util.List;
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public class YamlLanguageInjector implements MultiHostInjector {
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private static final String EXPRESSION_LANGUAGE_PREFIX = "@=";
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@Override
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public void getLanguagesToInject(@NotNull MultiHostRegistrar registrar, @NotNull PsiElement context) {
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if (!Symfony2ProjectComponent.isEnabled(context.getProject())) {
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return;
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}
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if (!(context instanceof YAMLQuotedText)) {
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return;
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}
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var file = context.getContainingFile();
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var element = (YAMLQuotedText) context;
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var value = element.getTextValue();
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if (YamlHelper.isServicesFile(file) && isExpressionLanguageString(value) && isExpressionLanguageStringAllowed(element)) {
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registrar
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.startInjecting(ExpressionLanguage.INSTANCE)
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.addPlace(null, null, element, getExpressionLanguageTextRange(value))
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.doneInjecting();
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} else if (YamlHelper.isRoutingFile(file) && isInsideRouteConditionKey(element)) {
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registrar
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.startInjecting(ExpressionLanguage.INSTANCE)
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.addPlace(null, null, element, ElementManipulators.getValueTextRange(element))
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.doneInjecting();
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}
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}
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@NotNull
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@Override
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public List<? extends Class<? extends PsiElement>> elementsToInjectIn() {
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return Collections.singletonList(YAMLQuotedText.class);
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}
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private boolean isExpressionLanguageString(@NotNull String str) {
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return str.startsWith(EXPRESSION_LANGUAGE_PREFIX) && str.length() > EXPRESSION_LANGUAGE_PREFIX.length();
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}
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private boolean isExpressionLanguageStringAllowed(@NotNull YAMLPsiElement element) {
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return PlatformPatterns.and(
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YamlElementPatternHelper.getInsideKeyValue("services"),
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YamlElementPatternHelper.getInsideKeyValue("arguments", "properties", "calls", "configurator")
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).accepts(element);
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}
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@NotNull
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private TextRange getExpressionLanguageTextRange(@NotNull String str) {
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return new TextRange(EXPRESSION_LANGUAGE_PREFIX.length() + 1, str.length() + 1);
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}
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private boolean isInsideRouteConditionKey(@NotNull YAMLPsiElement element) {
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return YamlElementPatternHelper.getInsideKeyValue("condition").accepts(element);
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}
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}

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