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/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* 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.
*/
/*
* User: anna
* Date: 15-Jan-2008
*/
package com.intellij.psi.search.scope.packageSet;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ProjectFileIndex;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.regex.Pattern;
public class FilePatternPackageSet extends PatternBasedPackageSet {
@NonNls public static final String SCOPE_FILE = "file";
private Pattern myModulePattern;
private Pattern myModuleGroupPattern;
private final String myPathPattern;
private final Pattern myFilePattern;
private final String myModulePatternText;
private static final Logger LOG = Logger.getInstance("com.intellij.psi.search.scope.packageSet.FilePatternPackageSet");
public FilePatternPackageSet(@NonNls String modulePattern,
@NonNls String filePattern) {
myPathPattern = filePattern;
myModulePatternText = modulePattern;
if (modulePattern == null || modulePattern.isEmpty()) {
myModulePattern = null;
}
else {
if (modulePattern.startsWith("group:")) {
int idx = modulePattern.indexOf(':', 6);
if (idx == -1) idx = modulePattern.length();
myModuleGroupPattern = Pattern.compile(StringUtil.replace(modulePattern.substring(6, idx), "*", ".*"));
if (idx < modulePattern.length() - 1) {
myModulePattern = Pattern.compile(StringUtil.replace(modulePattern.substring(idx + 1), "*", ".*"));
}
} else {
myModulePattern = Pattern.compile(StringUtil.replace(modulePattern, "*", ".*"));
}
}
myFilePattern = filePattern != null ? Pattern.compile(convertToRegexp(filePattern, '/')) : null;
}
@Override
public boolean contains(VirtualFile file, @NotNull NamedScopesHolder holder) {
return contains(file, holder.getProject(), holder);
}
@Override
public boolean contains(VirtualFile file, @NotNull Project project, @Nullable NamedScopesHolder holder) {
ProjectFileIndex fileIndex = ProjectRootManager.getInstance(project).getFileIndex();
return file != null && fileMatcher(file, fileIndex, holder != null ? holder.getProjectBaseDir() : project.getBaseDir()) &&
matchesModule(myModuleGroupPattern, myModulePattern, file, fileIndex);
}
private boolean fileMatcher(@NotNull VirtualFile virtualFile, ProjectFileIndex fileIndex, VirtualFile projectBaseDir){
final String relativePath = getRelativePath(virtualFile, fileIndex, true, projectBaseDir);
if (relativePath == null) {
LOG.error("vFile: " + virtualFile + "; projectBaseDir: " + projectBaseDir + "; content File: "+fileIndex.getContentRootForFile(virtualFile));
}
if (StringUtil.isEmptyOrSpaces(relativePath) && !virtualFile.equals(projectBaseDir)) {
return false;
}
return myFilePattern.matcher(relativePath).matches();
}
public static boolean matchesModule(final Pattern moduleGroupPattern,
final Pattern modulePattern,
final VirtualFile file,
final ProjectFileIndex fileIndex) {
final Module module = fileIndex.getModuleForFile(file);
if (module != null) {
if (modulePattern != null && modulePattern.matcher(module.getName()).matches()) return true;
if (moduleGroupPattern != null) {
final String[] groupPath = ModuleManager.getInstance(module.getProject()).getModuleGroupPath(module);
if (groupPath != null) {
for (String node : groupPath) {
if (moduleGroupPattern.matcher(node).matches()) return true;
}
}
}
}
return modulePattern == null && moduleGroupPattern == null;
}
//public for tests only
public static String convertToRegexp(String aspectsntx, char separator) {
StringBuffer buf = new StringBuffer(aspectsntx.length());
int cur = 0;
boolean isAfterSeparator = false;
boolean isAfterAsterix = false;
while (cur < aspectsntx.length()) {
char curChar = aspectsntx.charAt(cur);
if (curChar != separator && isAfterSeparator) {
buf.append("\\" + separator);
isAfterSeparator = false;
}
if (curChar != '*' && isAfterAsterix) {
buf.append(".*");
isAfterAsterix = false;
}
if (curChar == '*') {
if (!isAfterAsterix){
isAfterAsterix = true;
} else {
buf.append("[^\\" + separator + "]*");
isAfterAsterix = false;
}
}
else if (curChar == separator) {
if (isAfterSeparator) {
buf.append("\\" +separator+ "(.*\\" + separator + ")?");
isAfterSeparator = false;
}
else {
isAfterSeparator = true;
}
}
else {
if (curChar == '.') {
buf.append("\\");
}
buf.append(curChar);
}
cur++;
}
if (isAfterAsterix){
buf.append("[^\\" + separator + "]*");
}
return buf.toString();
}
@Override
@NotNull
public PackageSet createCopy() {
return new FilePatternPackageSet(myModulePatternText, myPathPattern);
}
@Override
public int getNodePriority() {
return 0;
}
@Override
@NotNull
public String getText() {
@NonNls StringBuffer buf = new StringBuffer("file");
if (myModulePattern != null || myModuleGroupPattern != null) {
buf.append("[").append(myModulePatternText).append("]");
}
if (buf.length() > 0) {
buf.append(':');
}
buf.append(myPathPattern);
return buf.toString();
}
@Override
public String getPattern() {
return myPathPattern;
}
@Override
public String getModulePattern() {
return myModulePatternText;
}
@Override
public boolean isOn(String oldQName) {
return Comparing.strEqual(myPathPattern, oldQName);
}
@Nullable
public static String getRelativePath(@NotNull VirtualFile virtualFile,
@NotNull ProjectFileIndex index,
final boolean useFQName,
VirtualFile projectBaseDir) {
final VirtualFile contentRootForFile = index.getContentRootForFile(virtualFile);
if (contentRootForFile != null) {
return VfsUtilCore.getRelativePath(virtualFile, contentRootForFile, '/');
}
final Module module = index.getModuleForFile(virtualFile);
if (module != null) {
if (projectBaseDir != null) {
if (VfsUtilCore.isAncestor(projectBaseDir, virtualFile, false)){
final String projectRelativePath = VfsUtilCore.getRelativePath(virtualFile, projectBaseDir, '/');
return useFQName ? projectRelativePath : projectRelativePath.substring(projectRelativePath.indexOf('/') + 1);
}
}
return virtualFile.getPath();
} else {
return getLibRelativePath(virtualFile, index);
}
}
public static String getLibRelativePath(final VirtualFile virtualFile, final ProjectFileIndex index) {
StringBuilder relativePath = new StringBuilder(100);
VirtualFile directory = virtualFile;
while (directory != null && index.isInLibraryClasses(directory)) {
relativePath.insert(0, '/');
relativePath.insert(0, directory.getName());
directory = directory.getParent();
}
return relativePath.toString();
}
}
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