| /* |
| * 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 javax.annotation.Nullable; |
| import javax.swing.*; |
| import java.util.Arrays; |
| |
| /** |
| * 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.parseStringContents(firstString.getText()) : null; |
| } |
| |
| /** |
| * The string nodes referencing imported functions. |
| */ |
| public FunctionStatement[] getImportedFunctionReferences() { |
| return Arrays.stream(getChildStrings()) |
| .skip(1) |
| .map(BuildElement::getReferencedElement) |
| .filter(e -> e instanceof FunctionStatement) |
| .toArray(FunctionStatement[]::new); |
| } |
| |
| /** |
| * The string nodes referencing imported functions. |
| */ |
| public StringLiteral[] getImportedSymbolElements() { |
| StringLiteral[] childStrings = getChildStrings(); |
| return childStrings.length < 2 ? new StringLiteral[0] : Arrays.copyOfRange(childStrings, 1, childStrings.length); |
| } |
| |
| public String[] getImportedSymbolNames() { |
| return Arrays.stream(getImportedSymbolElements()) |
| .map(StringLiteral::getStringContents) |
| .toArray(String[]::new); |
| } |
| |
| @Nullable |
| public StringLiteral findImportedSymbolElement(String name) { |
| for (StringLiteral string : getImportedSymbolElements()) { |
| if (name.equals(string.getStringContents())) { |
| return string; |
| } |
| } |
| return null; |
| } |
| |
| public StringLiteral[] getChildStrings() { |
| return Arrays.stream(getNode().getChildren(BuildElementTypes.STRINGS)) |
| .map(ASTNode::getPsi) |
| .toArray(StringLiteral[]::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"; |
| } |
| } |