/*
* Copyright 2000-2013 JetBrains s.r.o.
* Copyright 2014-2014 AS3Boyan
* Copyright 2014-2014 Elias Ku
*
* 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.plugins.haxe.runner.debugger;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.fileEditor.FileDocumentManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.plugins.haxe.util.HaxeElementGenerator;
import com.intellij.psi.*;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author: Fedor.Korotkov
*/
public class HaxeDebuggerSupportUtils {
public static Document createDocument(@NotNull final String text,
@NotNull final Project project,
@Nullable final VirtualFile contextVirtualFile,
final int contextOffset) {
PsiElement context = null;
if (contextVirtualFile != null) {
context = getContextElement(contextVirtualFile, contextOffset, project);
}
final PsiFile codeFragment = HaxeElementGenerator.createExpressionCodeFragment(project, text, context, true);
return PsiDocumentManager.getInstance(project).getDocument(codeFragment);
}
@Nullable
public static PsiElement getContextElement(VirtualFile virtualFile, int offset, final @NotNull Project project) {
Document document = FileDocumentManager.getInstance().getDocument(virtualFile);
PsiFile file = PsiManager.getInstance(project).findFile(virtualFile);
if (file == null || document == null) {
return null;
}
if (offset < 0) offset = 0;
if (offset > document.getTextLength()) offset = document.getTextLength();
int startOffset = offset;
int lineEndOffset = document.getLineEndOffset(document.getLineNumber(offset));
PsiElement result = null;
do {
PsiElement element = file.findElementAt(offset);
if (!(element instanceof PsiWhiteSpace) && !(element instanceof PsiComment)) {
result = element;
break;
}
offset = element.getTextRange().getEndOffset() + 1;
}
while (offset < lineEndOffset);
if (result == null) {
result = file.findElementAt(startOffset);
}
return result;
}
}