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path: root/Source/CTest/cmParseJacocoCoverage.cxx
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#include "cmParseJacocoCoverage.h"

#include "cmSystemTools.h"
#include "cmXMLParser.h"
#include <cmsys/Directory.hxx>
#include <cmsys/FStream.hxx>
#include <cmsys/Glob.hxx>
#include <stdio.h>
#include <stdlib.h>


class cmParseJacocoCoverage::XMLParser: public cmXMLParser
{
  public:
    XMLParser(cmCTest* ctest, cmCTestCoverageHandlerContainer& cont)
      : CTest(ctest), Coverage(cont)
      {
      this->FilePath = "";
      this->PackagePath = "";
      this->PackageName = "";
      }

    virtual ~XMLParser()
      {
      }

  protected:

    virtual void EndElement(const std::string&)
      {
      }

    virtual void StartElement(const std::string& name,
      const char** atts)
      {
      if(name == "package")
        {
        this->PackageName = atts[1];
        this->PackagePath = "";
        }
      else if(name == "sourcefile")
        {
        std::string fileName = atts[1];

        if (this->PackagePath == "")
          {
          if(!this->FindPackagePath(fileName))
            {
            cmCTestLog(this->CTest, ERROR_MESSAGE, "Cannot find file: "
              << this->PackageName << "/" << fileName << std::endl);
            this->Coverage.Error++;
            return;
            }
          }

        cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
          "Reading file: " << fileName << std::endl,
          this->Coverage.Quiet);

        this->FilePath = this->PackagePath + "/" + fileName;
        cmsys::ifstream fin(this->FilePath.c_str());
        if (!fin)
          {
          cmCTestLog(this->CTest, ERROR_MESSAGE,
                     "Jacoco Coverage: Error opening " << this->FilePath
                     << std::endl);
          }
        std::string line;
        FileLinesType& curFileLines =
          this->Coverage.TotalCoverage[this->FilePath];
        if(fin)
          {
          curFileLines.push_back(-1);
          }
        while(cmSystemTools::GetLineFromStream(fin, line))
          {
          curFileLines.push_back(-1);
          }
        }
      else if(name == "line")
        {
        int tagCount = 0;
        int nr = -1;
        int ci = -1;
        while(true)
          {
          if(strcmp(atts[tagCount],"ci") == 0)
            {
            ci = atoi(atts[tagCount+1]);
            }
          else if (strcmp(atts[tagCount],"nr") == 0)
            {
            nr = atoi(atts[tagCount+1]);
            }
          if (ci > -1 && nr > 0)
            {
            FileLinesType& curFileLines=
              this->Coverage.TotalCoverage[this->FilePath];
            if(!curFileLines.empty())
               {
               curFileLines[nr-1] = ci;
               }
            break;
            }
          ++tagCount;
          }
        }
      }

    virtual bool FindPackagePath(const std::string fileName)
      {
      // Search for the source file in the source directory.
      if (this->PackagePathFound(fileName, this->Coverage.SourceDir))
        {
        return true;
        }

      // If not found there, check the binary directory.
      if (this->PackagePathFound(fileName, this->Coverage.BinaryDir))
        {
        return true;
        }
      return false;
      }

    virtual bool PackagePathFound(const std::string fileName,
                                  const std::string baseDir)
      {
      // Search for the file in the baseDir and its subdirectories.
      std::string packageGlob = baseDir;
      packageGlob += "/";
      packageGlob += fileName;
      cmsys::Glob gl;
      gl.RecurseOn();
      gl.RecurseThroughSymlinksOn();
      gl.FindFiles(packageGlob);
      std::vector<std::string> const& files = gl.GetFiles();
      if (files.size() == 0)
        {
        return false;
        }

      // Check if any of the locations found match our package.
      for(std::vector<std::string>::const_iterator fi = files.begin();
          fi != files.end(); ++fi)
        {
        std::string dir = cmsys::SystemTools::GetParentDirectory(*fi);
        if (cmsys::SystemTools::StringEndsWith(dir, this->PackageName.c_str()))
          {
          cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
                             "Found package directory for " << fileName <<
                             ": " << dir << std::endl,
                             this->Coverage.Quiet);
          this->PackagePath = dir;
          return true;
          }
        }
      return false;
      }

  private:
    std::string FilePath;
    std::string PackagePath;
    std::string PackageName;
    typedef cmCTestCoverageHandlerContainer::SingleFileCoverageVector
     FileLinesType;
    cmCTest* CTest;
    cmCTestCoverageHandlerContainer& Coverage;
};

cmParseJacocoCoverage::cmParseJacocoCoverage(
  cmCTestCoverageHandlerContainer& cont,
  cmCTest* ctest)
  :Coverage(cont), CTest(ctest)
  {
  }

bool cmParseJacocoCoverage::LoadCoverageData(
  const std::vector<std::string> files)
{
  // load all the jacoco.xml files in the source directory
  cmsys::Directory dir;
  size_t i;
  std::string path;
  size_t numf = files.size();
  for (i = 0; i < numf; i++)
    {
    path = files[i];

    cmCTestOptionalLog(this->CTest,HANDLER_VERBOSE_OUTPUT,
      "Reading XML File " << path  << std::endl, this->Coverage.Quiet);
    if(cmSystemTools::GetFilenameLastExtension(path) == ".xml")
      {
      if(!this->ReadJacocoXML(path.c_str()))
        {
        return false;
        }
      }
    }
  return true;
}

bool cmParseJacocoCoverage::ReadJacocoXML(const char* file)
{
  cmParseJacocoCoverage::XMLParser
    parser(this->CTest, this->Coverage);
  parser.ParseFile(file);
  return true;
}