| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * 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.google.idea.blaze.base.lang.buildfile.psi; |
| |
| import com.google.idea.blaze.base.lang.buildfile.references.LabelUtils; |
| import com.intellij.lang.ASTNode; |
| import com.intellij.util.PlatformIcons; |
| import java.util.Arrays; |
| import javax.annotation.Nullable; |
| import javax.swing.Icon; |
| |
| /** PSI element for a load statement. */ |
| public class LoadStatement extends BuildElementImpl implements Statement { |
| |
| public LoadStatement(ASTNode astNode) { |
| super(astNode); |
| } |
| |
| @Override |
| protected void acceptVisitor(BuildElementVisitor visitor) { |
| visitor.visitLoadStatement(this); |
| } |
| |
| @Nullable |
| public ASTNode getImportNode() { |
| return getNode().findChildByType(BuildElementTypes.STRING_LITERAL); |
| } |
| |
| @Nullable |
| public StringLiteral getImportPsiElement() { |
| return findChildByType(BuildElementTypes.STRING_LITERAL); |
| } |
| |
| @Nullable |
| public String getImportedPath() { |
| ASTNode firstString = getImportNode(); |
| return firstString != null ? StringLiteral.stripQuotes(firstString.getText()) : null; |
| } |
| |
| /** The symbols as they appear in the loaded extension (i.e. ignoring aliases). */ |
| public StringLiteral[] getLoadedSymbols() { |
| return Arrays.stream(getImportedSymbolElements()) |
| .map(LoadedSymbol::getImport) |
| .toArray(StringLiteral[]::new); |
| } |
| |
| /** The string nodes referencing imported functions. */ |
| public FunctionStatement[] getImportedFunctionReferences() { |
| return Arrays.stream(getLoadedSymbols()) |
| .map(BuildElement::getReferencedElement) |
| .filter(e -> e instanceof FunctionStatement) |
| .toArray(FunctionStatement[]::new); |
| } |
| |
| public LoadedSymbol[] getImportedSymbolElements() { |
| return Arrays.stream(getNode().getChildren(null)) |
| .map(ASTNode::getPsi) |
| .filter(psiElement -> psiElement instanceof LoadedSymbol) |
| .toArray(LoadedSymbol[]::new); |
| } |
| |
| /** Aliased symbol name, if alias is present. */ |
| public String[] getVisibleSymbolNames() { |
| return Arrays.stream(getImportedSymbolElements()) |
| .map(LoadedSymbol::getSymbolString) |
| .toArray(String[]::new); |
| } |
| |
| @Override |
| public Icon getIcon(int flags) { |
| return PlatformIcons.IMPORT_ICON; |
| } |
| |
| @Override |
| public String getPresentableText() { |
| String path = LabelUtils.getNiceSkylarkFileName(getImportedPath()); |
| return path != null ? "load: " + path : "load"; |
| } |
| } |