| /* |
| * Copyright 2000-2011 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. |
| */ |
| package com.intellij.codeInsight.documentation; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.openapi.vfs.VirtualFileManager; |
| import com.intellij.openapi.vfs.ex.http.HttpFileSystem; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.ArrayList; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import java.util.regex.PatternSyntaxException; |
| |
| public class PlatformDocumentationUtil { |
| |
| private static final Logger LOG = Logger.getInstance("#com.intellij.codeInsight.documentation.PlatformDocumentationUtil"); |
| |
| private static final @NonNls Pattern ourLtFixupPattern = Pattern.compile("<([^/^\\w^!])"); |
| private static final @NonNls Pattern ourToQuote = Pattern.compile("[\\\\\\.\\^\\$\\?\\*\\+\\|\\)\\}\\]\\{\\(\\[]"); |
| private static final @NonNls String LT_ENTITY = "<"; |
| |
| @Nullable |
| public static List<String> getHttpRoots(final String[] roots, String relPath) { |
| final ArrayList<String> result = new ArrayList<String>(); |
| for (String root : roots) { |
| final VirtualFile virtualFile = VirtualFileManager.getInstance().findFileByUrl(root); |
| if (virtualFile != null) { |
| if (virtualFile.getFileSystem() instanceof HttpFileSystem) { |
| String url = virtualFile.getUrl(); |
| if (!url.endsWith("/")) url += "/"; |
| result.add(url + relPath); |
| } |
| else { |
| VirtualFile file = virtualFile.findFileByRelativePath(relPath); |
| if (file != null) result.add(file.getUrl()); |
| } |
| } |
| } |
| |
| return result.isEmpty() ? null : result; |
| } |
| |
| private static String quote(String x) { |
| if (ourToQuote.matcher(x).find()) { |
| return "\\" + x; |
| } |
| |
| return x; |
| } |
| |
| public static String fixupText(String docText) { |
| Matcher fixupMatcher = ourLtFixupPattern.matcher(docText); |
| LinkedList<String> secondSymbols = new LinkedList<String>(); |
| |
| while (fixupMatcher.find()) { |
| String s = fixupMatcher.group(1); |
| |
| //[db] that's workaround to avoid internal bug |
| if (!s.equals("\\") && !secondSymbols.contains(s)) { |
| secondSymbols.addFirst(s); |
| } |
| } |
| |
| for (String s : secondSymbols) { |
| String pattern = "<" + quote(s); |
| |
| try { |
| docText = Pattern.compile(pattern).matcher(docText).replaceAll(LT_ENTITY + pattern); |
| } |
| catch (PatternSyntaxException e) { |
| LOG.error("Pattern syntax exception on " + pattern); |
| } |
| } |
| |
| return docText; |
| } |
| } |