/*
* Copyright 2012-2014 Sergey Ignatov
*
* 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 org.intellij.erlang.inspection;
import com.intellij.codeInspection.ProblemHighlightType;
import com.intellij.codeInspection.ProblemsHolder;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.util.TextRange;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiFile;
import com.intellij.util.Function;
import org.intellij.erlang.psi.ErlangFile;
import org.intellij.erlang.psi.ErlangIncludeLib;
import org.intellij.erlang.psi.ErlangIncludeString;
import org.intellij.erlang.psi.impl.ErlangPsiImplUtil;
import org.intellij.erlang.quickfixes.ErlangFindIncludeQuickFix;
import org.jetbrains.annotations.NotNull;
import java.util.List;
public class ErlangUnresolvedIncludeLibInspection extends ErlangInspectionBase {
public static String INCLUDE_LIB_LABEL = "include_lib";
private static final Logger LOG = Logger.getInstance(ErlangUnresolvedIncludeLibInspection.class);
@Override
protected void checkFile(@NotNull ErlangFile file, @NotNull ProblemsHolder problemsHolder) {
for (ErlangIncludeLib erlangIncludeLib : file.getIncludeLibs()) {
ErlangIncludeString includeString = erlangIncludeLib.getIncludeStringSafe();
if (includeString == null) continue;
processInclude(problemsHolder, ErlangPsiImplUtil.getDirectlyIncludedFiles(erlangIncludeLib, file), includeString, INCLUDE_LIB_LABEL);
}
}
static void processInclude(@NotNull ProblemsHolder problemsHolder,
@NotNull List<ErlangFile> files,
@NotNull ErlangIncludeString string,
String what) {
boolean empty = string.getTextLength() <= 2;
TextRange range = empty ? TextRange.create(0, string.getTextLength()) : TextRange.create(1, string.getTextLength() - 1);
if (files.size() == 0) {
LOG.debug(what + ": " + string.getText() + " unresolved");
if (empty) {
problemsHolder.registerProblem(string, range, "Unresolved " + what + ": file not found", getFindIncludeQuickFix(what));
}
else {
problemsHolder.registerProblem(string, "Unresolved " + what + ": file not found",
ProblemHighlightType.LIKE_UNKNOWN_SYMBOL, range, getFindIncludeQuickFix(what));
}
}
else if (files.size() > 1) {
String resolvedFilesList = StringUtil.join(files, new Function<ErlangFile, String>() {
@NotNull
@Override
public String fun(@NotNull ErlangFile erlangFile) {
PsiFile originalFile = erlangFile.getOriginalFile();
VirtualFile virtualFile = originalFile.getVirtualFile();
return virtualFile == null ? "null" : virtualFile.getPath();
}
}, ", ");
LOG.debug(what + ": " + string.getText() + " resolved to: " + resolvedFilesList);
problemsHolder.registerProblem(string, range, "Unresolved " + what + ": ambiguous file reference");
}
}
private static ErlangFindIncludeQuickFix getFindIncludeQuickFix(String what) {
boolean setDirectHrlLink = true;
if (what.equals(INCLUDE_LIB_LABEL)) {
setDirectHrlLink = false;
}
return new ErlangFindIncludeQuickFix(setDirectHrlLink);
}
}