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 */ 020package org.sonar.xoo.lang; 021 022import com.google.common.base.Splitter; 023import org.apache.commons.io.FileUtils; 024import org.apache.commons.lang.StringUtils; 025import org.sonar.api.batch.fs.InputFile; 026import org.sonar.api.batch.sensor.Sensor; 027import org.sonar.api.batch.sensor.SensorContext; 028import org.sonar.api.batch.sensor.SensorDescriptor; 029import org.sonar.api.component.ResourcePerspectives; 030import org.sonar.api.source.Symbol; 031import org.sonar.api.source.Symbolizable; 032import org.sonar.api.utils.log.Logger; 033import org.sonar.api.utils.log.Loggers; 034import org.sonar.xoo.Xoo; 035 036import java.io.File; 037import java.io.IOException; 038import java.util.Iterator; 039import java.util.List; 040 041/** 042 * Parse files *.xoo.symbol 043 */ 044public class SymbolReferencesSensor implements Sensor { 045 046 private ResourcePerspectives perspectives; 047 048 public SymbolReferencesSensor(ResourcePerspectives perspectives) { 049 this.perspectives = perspectives; 050 } 051 052 private static final Logger LOG = Loggers.get(SymbolReferencesSensor.class); 053 054 private static final String SYMBOL_EXTENSION = ".symbol"; 055 056 private void processFileSymbol(InputFile inputFile, SensorContext context) { 057 File ioFile = inputFile.file(); 058 File symbolFile = new File(ioFile.getParentFile(), ioFile.getName() + SYMBOL_EXTENSION); 059 if (symbolFile.exists()) { 060 LOG.debug("Processing " + symbolFile.getAbsolutePath()); 061 try { 062 List<String> lines = FileUtils.readLines(symbolFile, context.fileSystem().encoding().name()); 063 int lineNumber = 0; 064 Symbolizable symbolizable = perspectives.as(Symbolizable.class, inputFile); 065 if (symbolizable != null) { 066 Symbolizable.SymbolTableBuilder symbolTableBuilder = symbolizable.newSymbolTableBuilder(); 067 for (String line : lines) { 068 lineNumber++; 069 if (StringUtils.isBlank(line) || line.startsWith("#")) { 070 continue; 071 } 072 processLine(symbolFile, lineNumber, symbolTableBuilder, line); 073 } 074 symbolizable.setSymbolTable(symbolTableBuilder.build()); 075 } 076 } catch (IOException e) { 077 throw new IllegalStateException(e); 078 } 079 } 080 } 081 082 private void processLine(File symbolFile, int lineNumber, Symbolizable.SymbolTableBuilder symbolTableBuilder, String line) { 083 try { 084 Iterator<String> split = Splitter.on(",").split(line).iterator(); 085 int startOffset = Integer.parseInt(split.next()); 086 int endOffset = Integer.parseInt(split.next()); 087 Symbol s = symbolTableBuilder.newSymbol(startOffset, endOffset); 088 while (split.hasNext()) { 089 symbolTableBuilder.newReference(s, Integer.parseInt(split.next())); 090 } 091 } catch (Exception e) { 092 throw new IllegalStateException("Error processing line " + lineNumber + " of file " + symbolFile.getAbsolutePath(), e); 093 } 094 } 095 096 @Override 097 public void describe(SensorDescriptor descriptor) { 098 descriptor 099 .name("Xoo Symbol Reference Sensor") 100 .onlyOnLanguages(Xoo.KEY); 101 } 102 103 @Override 104 public void execute(SensorContext context) { 105 for (InputFile file : context.fileSystem().inputFiles(context.fileSystem().predicates().hasLanguages(Xoo.KEY))) { 106 processFileSymbol(file, context); 107 } 108 } 109}