001 /* 002 * SonarQube, open source software quality management tool. 003 * Copyright (C) 2008-2014 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * SonarQube is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * SonarQube is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020 package org.sonar.xoo.lang; 021 022 import com.google.common.base.Splitter; 023 import org.apache.commons.io.FileUtils; 024 import org.apache.commons.lang.StringUtils; 025 import org.slf4j.Logger; 026 import org.slf4j.LoggerFactory; 027 import org.sonar.api.batch.fs.InputFile; 028 import org.sonar.api.batch.sensor.Sensor; 029 import org.sonar.api.batch.sensor.SensorContext; 030 import org.sonar.api.batch.sensor.SensorDescriptor; 031 import org.sonar.api.batch.sensor.symbol.Symbol; 032 import org.sonar.api.batch.sensor.symbol.SymbolTableBuilder; 033 import org.sonar.api.measures.CoreMetrics; 034 import org.sonar.xoo.Xoo; 035 036 import java.io.File; 037 import java.io.IOException; 038 import java.util.Iterator; 039 import java.util.List; 040 041 /** 042 * Parse files *.xoo.symbol 043 */ 044 public class SymbolReferencesSensor implements Sensor { 045 046 private static final Logger LOG = LoggerFactory.getLogger(SymbolReferencesSensor.class); 047 048 private static final String SYMBOL_EXTENSION = ".symbol"; 049 050 private void processFileSymbol(InputFile inputFile, SensorContext context) { 051 File ioFile = inputFile.file(); 052 File symbolFile = new File(ioFile.getParentFile(), ioFile.getName() + SYMBOL_EXTENSION); 053 if (symbolFile.exists()) { 054 LOG.debug("Processing " + symbolFile.getAbsolutePath()); 055 try { 056 List<String> lines = FileUtils.readLines(symbolFile, context.fileSystem().encoding().name()); 057 int lineNumber = 0; 058 SymbolTableBuilder symbolTableBuilder = context.symbolTableBuilder(inputFile); 059 for (String line : lines) { 060 lineNumber++; 061 if (StringUtils.isBlank(line) || line.startsWith("#")) { 062 continue; 063 } 064 processLine(symbolFile, lineNumber, symbolTableBuilder, line); 065 } 066 symbolTableBuilder.done(); 067 } catch (IOException e) { 068 throw new IllegalStateException(e); 069 } 070 } 071 } 072 073 private void processLine(File symbolFile, int lineNumber, SymbolTableBuilder symbolTableBuilder, String line) { 074 try { 075 Iterator<String> split = Splitter.on(",").split(line).iterator(); 076 int startOffset = Integer.parseInt(split.next()); 077 int endOffset = Integer.parseInt(split.next()); 078 Symbol s = symbolTableBuilder.newSymbol(startOffset, endOffset); 079 while (split.hasNext()) { 080 symbolTableBuilder.newReference(s, Integer.parseInt(split.next())); 081 } 082 } catch (Exception e) { 083 throw new IllegalStateException("Error processing line " + lineNumber + " of file " + symbolFile.getAbsolutePath(), e); 084 } 085 } 086 087 @Override 088 public void describe(SensorDescriptor descriptor) { 089 descriptor 090 .name("Xoo Symbol Reference Sensor") 091 .provides(CoreMetrics.LINES) 092 .workOnLanguages(Xoo.KEY) 093 .workOnFileTypes(InputFile.Type.MAIN, InputFile.Type.TEST); 094 } 095 096 @Override 097 public void execute(SensorContext context) { 098 for (InputFile file : context.fileSystem().inputFiles(context.fileSystem().predicates().hasLanguages(Xoo.KEY))) { 099 processFileSymbol(file, context); 100 } 101 } 102 }