/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile$
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) 2002 Insight Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#include "ctest.h"
#include "cmRegularExpression.h"
#include "cmSystemTools.h"

#include <stdio.h>
#include <time.h>


/* Implement floattime() for various platforms */
// Taken from Python 2.1.3

#if defined( _WIN32 ) && !defined( __CYGWIN__ )
#  include <sys/timeb.h>
#  define HAVE_FTIME
#  if defined( __BORLANDC__)
#    define FTIME ftime
#    define TIMEB timeb
#  else // Visual studio?
#    define FTIME _ftime
#    define TIMEB _timeb
#  endif
#elif defined( __CYGWIN__ ) || defined( __linux__ )
#  include <sys/time.h>
#  define HAVE_GETTIMEOFDAY
#endif

static double
floattime(void)
{
  /* There are three ways to get the time:
     (1) gettimeofday() -- resolution in microseconds
     (2) ftime() -- resolution in milliseconds
     (3) time() -- resolution in seconds
     In all cases the return value is a float in seconds.
     Since on some systems (e.g. SCO ODT 3.0) gettimeofday() may
     fail, so we fall back on ftime() or time().
     Note: clock resolution does not imply clock accuracy! */
#ifdef HAVE_GETTIMEOFDAY
  {
  struct timeval t;
#ifdef GETTIMEOFDAY_NO_TZ
  if (gettimeofday(&t) == 0)
    return (double)t.tv_sec + t.tv_usec*0.000001;
#else /* !GETTIMEOFDAY_NO_TZ */
  if (gettimeofday(&t, (struct timezone *)NULL) == 0)
    return (double)t.tv_sec + t.tv_usec*0.000001;
#endif /* !GETTIMEOFDAY_NO_TZ */
  }
#endif /* !HAVE_GETTIMEOFDAY */
  {
#if defined(HAVE_FTIME)
  struct TIMEB t;
  FTIME(&t);
  return (double)t.time + (double)t.millitm * (double)0.001;
#else /* !HAVE_FTIME */
  time_t secs;
  time(&secs);
  return (double)secs;
#endif /* !HAVE_FTIME */
  }
}

static std::string CleanString(std::string str)
{
  std::string::size_type spos = str.find_first_not_of(" \n\t");
  std::string::size_type epos = str.find_last_not_of(" \n\t");
  if ( spos == str.npos )
    {
    return std::string();
    }
  if ( epos != str.npos )
    {
    epos = epos - spos + 1;
    }
  return str.substr(spos, epos);
}

static std::string CurrentTime()
{
  time_t currenttime = time(0);
  return ::CleanString(ctime(&currenttime));
}

static const char* cmCTestErrorMatches[] = {
  "^[Bb]us [Ee]rror",
  "^[Ss]egmentation [Vv]iolation",
  "^[Ss]egmentation [Ff]ault",
  "([^ :]+):([0-9]+): ([^ \\t])",
  "([^:]+): error[ \\t]*[0-9]+[ \\t]*:",
  "^Error ([0-9]+):",
  "^Error ",
  "^\"[^\"]+\", line [0-9]+: [^Ww]",
  "^cc[^C]*CC: ERROR File = ([^,]+), Line = ([0-9]+)",
  "^ld([^:])*:([ \\t])*ERROR([^:])*:",
  "^ild:([ \\t])*\\(undefined symbol\\)",
  "([^ :]+) : (error|fatal error|catastrophic error)",
  "([^:]+): (Error:|error|undefined reference|multiply defined)",
  "([^:]+)\\(([^\\)]+)\\) : (error|fatal error|catastrophic error)",
  "^fatal error C[0-9]+:",
  ": syntax error ",
  "^collect2: ld returned 1 exit status",
  "Unsatisfied symbols:",
  "Undefined symbols:",
  "^Undefined[ \\t]+first referenced",
  "^CMake Error:",
  ":[ \\t]cannot find",
  0
};

static const char* cmCTestErrorExceptions[] = {
  0
};

static const char* cmCTestWarningMatches[] = {
  "([^ :]+):([0-9]+): warning:",
  "^cc[^C]*CC: WARNING File = ([^,]+), Line = ([0-9]+)",
  "^ld([^:])*:([ \\t])*WARNING([^:])*:",
  "([^:]+): warning ([0-9]+):",
  "^\"[^\"]+\", line [0-9]+: [Ww]arning",
  "([^:]+): warning[ \\t]*[0-9]+[ \\t]*:",
  "^Warning ([0-9]+):",
  "^Warning ",
  "([^ :]+) : warning",
  "([^:]+): warning",
  0
};

static const char* cmCTestWarningExceptions[] = {
  "/usr/openwin/include/X11/Xlib\\.h:[0-9]+: warning: ANSI C\\+\\+ forbids declaration",
  "/usr/openwin/include/X11/Xutil\\.h:[0-9]+: warning: ANSI C\\+\\+ forbids declaration",
  "/usr/openwin/include/X11/XResource\\.h:[0-9]+: warning: ANSI C\\+\\+ forbids declaration",
  "WARNING 84 :",
  "WARNING 47 :",
  "makefile:",
  "Makefile:",
  "warning:  Clock skew detected.  Your build may be incomplete.",
  "/usr/openwin/include/GL/[^:]+:",
  "bind_at_load",
  "XrmQGetResource",
  "IceFlush",
  "warning LNK4089: all references to .GDI32.dll. discarded by .OPT:REF",
  "warning LNK4089: all references to .USER32.dll. discarded by .OPT:REF",
  "ld32: WARNING 85: definition of dataKey in",
  0
};

std::string ctest::MakeXMLSafe(const std::string& str)
{
  std::string::size_type pos = 0;
  cmOStringStream ost;
  char buffer[10];
  for ( pos = 0; pos < str.size(); pos ++ )
    {
    char ch = str[pos];
    if ( ch > 126 )
      {
      sprintf(buffer, "&%x", (int)ch);
      ost << buffer;
      }
    else
      {
      switch ( ch )
        {
        case '&': ost << "&amp;"; break;
        case '<': ost << "&lt;"; break;
        case '>': ost << "&gt;"; break;
        default: ost << ch;
        }
      }
    }
  return ost.str();
}

bool TryExecutable(const char *dir, const char *file,
                   std::string *fullPath, const char *subdir)
{
  // try current directory
  std::string tryPath;
  if (dir && strcmp(dir,""))
    {
    tryPath = dir;
    tryPath += "/";
    }
  
  if (subdir && strcmp(subdir,""))
    {
    tryPath += subdir;
    tryPath += "/";
    }
  
  tryPath += file;
  if(cmSystemTools::FileExists(tryPath.c_str()))
    {
    *fullPath = cmSystemTools::CollapseFullPath(tryPath.c_str());
    return true;
    }
  tryPath += cmSystemTools::GetExecutableExtension();
  if(cmSystemTools::FileExists(tryPath.c_str()))
    {
    *fullPath = cmSystemTools::CollapseFullPath(tryPath.c_str());
    return true;
    }
  return false;
}

ctest::ctest() 
{ 
  m_UseIncludeRegExp      = false;
  m_UseExcludeRegExp      = false;
  m_UseExcludeRegExpFirst = false;
  m_Verbose               = false;
  m_DartMode              = false;
  int cc; 
  for ( cc=0; cc < ctest::LAST_TEST; cc ++ )
    {
    m_Tests[cc] = 0;
    }
}

void ctest::Initialize()
{
  m_ToplevelPath = cmSystemTools::GetCurrentWorkingDirectory();
  // parse the dart test file
  std::ifstream fin("DartConfiguration.tcl");
  if(!fin)
    {
    return;
    }

  char buffer[1024];
  while ( fin )
    {
    buffer[0] = 0;
    fin.getline(buffer, 1023);
    buffer[1023] = 0;
    std::string line = ::CleanString(buffer);
    while ( fin && (line[line.size()-1] == '\\') )
      {
      line = line.substr(0, line.size()-1);
      buffer[0] = 0;
      fin.getline(buffer, 1023);
      buffer[1023] = 0;
      line += ::CleanString(buffer);
      }
    if ( line[0] == '#' )
      {
      continue;
      }
    if ( line.size() == 0 )
      {
      continue;
      }
    std::string::size_type cpos = line.find_first_of(":");
    if ( cpos == line.npos )
      {
      continue;
      }
    std::string key = line.substr(0, cpos);
    std::string value = ::CleanString(line.substr(cpos+1, line.npos));
    m_DartConfiguration[key] = value;
    }
  fin.close();
  if ( m_DartMode )
    {
    std::string testingDir = m_ToplevelPath + "/Testing/CDart";
    if ( cmSystemTools::FileExists(testingDir.c_str()) )
      {
      if ( !cmSystemTools::FileIsDirectory(testingDir.c_str()) )
        {
        std::cerr << "File " << testingDir << " is in the place of the testing directory"
                  << std::endl;
        return;
        }
      }
    else
      {
      if ( !cmSystemTools::MakeDirectory(testingDir.c_str()) )
        {
        std::cerr << "Cannot create directory " << testingDir
                  << std::endl;
        return;
        }
      }
    std::string tagfile = testingDir + "/TAG";
    std::ifstream tfin(tagfile.c_str());
    std::string tag;
    time_t tctime = time(0);
    struct tm *lctime = gmtime(&tctime);
    if ( tfin )
      {
      tfin >> tag;
      tfin.close();
      int year = 0;
      int mon = 0;
      int day = 0;
      int hour = 0;
      int min = 0;
      sscanf(tag.c_str(), "%04d%02d%02d-%02d%02d",
             &year, &mon, &day, &hour, &min);
      if ( year != lctime->tm_year + 1900 ||
           mon != lctime->tm_mon ||
           day != lctime->tm_mday )
        {
        tag = "";
        }

      }
    if ( tag.size() == 0 )
      {
      char datestring[100];
      sprintf(datestring, "%04d%02d%02d-%02d%02d",
              lctime->tm_year + 1900,
              lctime->tm_mon,
              lctime->tm_mday,
              lctime->tm_hour,
              lctime->tm_min);
      tag = datestring;
      std::ofstream ofs(tagfile.c_str());
      if ( ofs )
        {
        ofs << tag << std::endl;
        }
      ofs.close();
      std::cout << "Create new tag: " << tag << std::endl;
      }
    m_CurrentTag = tag;
    }
}

bool ctest::SetTest(const char* ttype)
{
  if ( cmSystemTools::LowerCase(ttype) == "all" )
    {
    m_Tests[ctest::ALL_TEST] = 1;
    }
  else if ( cmSystemTools::LowerCase(ttype) == "update" )
    {
    m_Tests[ctest::UPDATE_TEST] = 1;
    }
  else if ( cmSystemTools::LowerCase(ttype) == "configure" )
    {
    m_Tests[ctest::CONFIGURE_TEST] = 1;
    }
  else if ( cmSystemTools::LowerCase(ttype) == "build" )
    {
    m_Tests[ctest::BUILD_TEST] = 1;
    }
  else if ( cmSystemTools::LowerCase(ttype) == "test" )
    {
    m_Tests[ctest::TEST_TEST] = 1;
    }
  else if ( cmSystemTools::LowerCase(ttype) == "coverage" )
    {
    m_Tests[ctest::COVERAGE_TEST] = 1;
    }
  else if ( cmSystemTools::LowerCase(ttype) == "purify" )
    {
    m_Tests[ctest::PURIFY_TEST] = 1;
    }
  else
    {
    std::cerr << "Don't know about test \"" << ttype << "\" yet..." << std::endl;
    return false;
    }
  return true;
}

void ctest::Finalize()
{
}

std::string ctest::FindExecutable(const char *exe)
{
  std::string fullPath = "";
  std::string dir;
  std::string file;

  cmSystemTools::SplitProgramPath(exe, dir, file);
  if(m_ConfigType != "")
    {
    if(TryExecutable(dir.c_str(), file.c_str(), &fullPath, m_ConfigType.c_str()))
      {
      return fullPath;
      }
    dir += "/";
    dir += m_ConfigType;
    dir += "/";
    dir += file;
    cmSystemTools::Error("config type specified on the command line, but test executable not found.",
                         dir.c_str());
    return "";
    }
  if (TryExecutable(dir.c_str(),file.c_str(),&fullPath,"."))
    {
    return fullPath;
    }

  if (TryExecutable(dir.c_str(),file.c_str(),&fullPath,""))
    {
    return fullPath;
    }

  if (TryExecutable(dir.c_str(),file.c_str(),&fullPath,"Release"))
    {
    return fullPath;
    }

    if (TryExecutable(dir.c_str(),file.c_str(),&fullPath,"Debug"))
    {
    return fullPath;
    }

  if (TryExecutable(dir.c_str(),file.c_str(),&fullPath,"MinSizeRel"))
    {
    return fullPath;
    }

  if (TryExecutable(dir.c_str(),file.c_str(),&fullPath,"RelWithDebInfo"))
    {
    return fullPath;
    }

  // if everything else failed, check the users path
  if (dir != "")
    {
    std::string path = cmSystemTools::FindProgram(file.c_str());
    if (path != "")
      {
      return path;
      }
    }
  
  return fullPath;
}

int ctest::UpdateDirectory()
{
  std::string cvsCommand = m_DartConfiguration["CVSCommand"];
  if ( cvsCommand.size() == 0 )
    {
    std::cerr << "Cannot find CVSCommand key in the DartConfiguration.tcl" << std::endl;
    return 1;
    }
  std::string cvsOptions = m_DartConfiguration["CVSUpdateOptions"];
  if ( cvsOptions.size() == 0 )
    {
    std::cerr << "Cannot find CVSUpdateOptions key in the DartConfiguration.tcl" << std::endl;
    return 1;
    }

  std::string sourceDirectory = m_DartConfiguration["SourceDirectory"];
  if ( sourceDirectory.size() == 0 )
    {
    std::cerr << "Cannot find SourceDirectory  key in the DartConfiguration.tcl" << std::endl;
    return 1;
    }

  std::string command = cvsCommand + " update " + cvsOptions;

  std::string output;
  int retVal;
  bool res = cmSystemTools::RunCommand(command.c_str(), output, 
                                       retVal, sourceDirectory.c_str(),
                                       m_Verbose);
  if (! res || retVal )
    {
    std::cerr << "Error(s) when updating the project" << std::endl;
    return 1;
    }
  return 0;
}

int ctest::ConfigureDirectory()
{
  std::string cCommand = m_DartConfiguration["ConfigureCommand"];
  if ( cCommand.size() == 0 )
    {
    std::cerr << "Cannot find ConfigureCommand key in the DartConfiguration.tcl" << std::endl;
    return 1;
    }

  std::string buildDirectory = m_DartConfiguration["BuildDirectory"];
  if ( buildDirectory.size() == 0 )
    {
    std::cerr << "Cannot find BuildDirectory  key in the DartConfiguration.tcl" << std::endl;
    return 1;
    }

  std::string output;
  int retVal;
  bool res = cmSystemTools::RunCommand(cCommand.c_str(), output, 
                                       retVal, buildDirectory.c_str(),
                                       m_Verbose);
  if (! res || retVal )
    {
    std::cerr << "Error(s) when updating the project" << std::endl;
    return 1;
    }
  return 0;
}

int ctest::BuildDirectory()
{
  std::string makeCommand = m_DartConfiguration["MakeCommand"];
  if ( makeCommand.size() == 0 )
    {
    std::cerr << "Cannot find MakeCommand key in the DartConfiguration.tcl" << std::endl;
    return 1;
    }
  std::string buildDirectory = m_DartConfiguration["BuildDirectory"];
  if ( buildDirectory.size() == 0 )
    {
    std::cerr << "Cannot find BuildDirectory  key in the DartConfiguration.tcl" << std::endl;
    return 1;
    }

  m_StartBuild = ::CurrentTime();
  std::string output;
  int retVal;
  bool res = cmSystemTools::RunCommand(makeCommand.c_str(), output, 
                                       retVal, buildDirectory.c_str(), 
                                       m_Verbose);
  m_EndBuild = ::CurrentTime();
  if (! res || retVal )
    {
    std::cerr << "Error(s) when building project" << std::endl;
    }

  // Parsing of output for errors and warnings.

  std::vector<cmStdString> lines;
  cmSystemTools::Split(output.c_str(), lines);

  std::ofstream ofs;
  if ( this->OpenFile("Temporary", "LastBuild.log", ofs) )
    {
    ofs << output;
    ofs.close();
    }
  else
    {
    std::cerr << "Cannot create LastBuild.log file" << std::endl;    
    }
  
  // Lines are marked: 
  // 0 - nothing
  // 1 - error
  // > 1 - warning
  std::vector<int> markedLines(lines.size(), 0);
  
  int cc;
  // Errors
  for ( cc = 0; cmCTestErrorMatches[cc]; cc ++ )
    {
    cmRegularExpression re(cmCTestErrorMatches[cc]);
    std::vector<std::string>::size_type kk;
    for ( kk = 0; kk < lines.size(); kk ++ )
      {
      if ( re.find(lines[kk]) )
        {
        markedLines[kk] = 1;
        }
      }    
    }
  // Warnings
  for ( cc = 0; cmCTestWarningMatches[cc]; cc ++ )
    {
    cmRegularExpression re(cmCTestWarningMatches[cc]);
    std::vector<std::string>::size_type kk;
    for ( kk = 0; kk < lines.size(); kk ++ )
      {
      if ( re.find(lines[kk]) )
        {
        markedLines[kk] += 2;
        }
      }    
    }
  // Errors exceptions
  for ( cc = 0; cmCTestErrorExceptions[cc]; cc ++ )
    {
    cmRegularExpression re(cmCTestErrorExceptions[cc]);
    std::vector<int>::size_type kk;
    for ( kk =0; kk < markedLines.size(); kk ++ )
      {
      if ( markedLines[cc] == 1 )
        {
        if ( re.find(lines[kk]) )
          {
          markedLines[cc] = 0;
          }
        }
      }
    }
  // Warning exceptions
  for ( cc = 0; cmCTestWarningExceptions[cc]; cc ++ )
    {
    cmRegularExpression re(cmCTestWarningExceptions[cc]);
    std::vector<int>::size_type kk;
    for ( kk =0; kk < markedLines.size(); kk ++ )
      {
      if ( markedLines[cc] > 1 )
        {
        if ( re.find(lines[kk]) )
          {
          markedLines[cc] = 0;
          }
        }
      }
    }
  std::vector<cmCTestBuildErrorWarning> errorsWarnings;

  std::vector<int>::size_type kk;
  cmCTestBuildErrorWarning errorwarning;
  for ( kk =0; kk < markedLines.size(); kk ++ )
    {
    errorwarning.m_LineNumber = -1;
    bool found = false;
    if ( markedLines[kk] == 1 )
      {
      std::cout << "Error: " << lines[kk] << std::endl;
      errorwarning.m_Error = true;
      found = true;
      }
    else if ( markedLines[kk] > 1 )
      {
      std::cout << "Warning: " << lines[kk] << std::endl;
      errorwarning.m_Error = false;
      found = true;
      }
    if ( found )
      {
      errorwarning.m_LogLine     = static_cast<int>(kk+1);
      errorwarning.m_Text        = lines[kk];
      errorwarning.m_PreContext  = "";
      errorwarning.m_PostContext = "";
      std::vector<int>::size_type jj;
      std::vector<int>::size_type ll = 0;
      if ( kk > 6 )
        {
        ll = kk - 6;
        }
      for ( jj = kk; 
            jj > 0 && jj > ll /* && markedLines[jj] == 0 */; 
            jj -- );
      for (; jj < kk; jj ++ )
        {
        errorwarning.m_PreContext += lines[jj] + "\n";
        }
      for ( jj = kk+1; 
            jj < lines.size() && jj < kk + 7 /* && markedLines[jj] == 0*/; 
            jj ++ )
        {
        errorwarning.m_PostContext += lines[jj] + "\n";
        }
      errorsWarnings.push_back(errorwarning);
      }
    }

  if( !this->OpenFile("", "Build.xml", ofs) )
    {
    std::cerr << "Cannot create build XML file" << std::endl;
    return 1;
    }
  this->GenerateDartBuildOutput(ofs, errorsWarnings);
  return 0;
}

bool ctest::OpenFile(const std::string& path, 
                     const std::string& name, std::ofstream& stream)
{
  std::string testingDir = m_ToplevelPath + "/Testing/CDart";
  if ( path.size() > 0 )
    {
    testingDir += "/" + path;
    }
  if ( cmSystemTools::FileExists(testingDir.c_str()) )
    {
    if ( !cmSystemTools::FileIsDirectory(testingDir.c_str()) )
      {
      std::cerr << "File " << testingDir 
                << " is in the place of the testing directory"
                << std::endl;
      return false;
      }
    }
  else
    {
    if ( !cmSystemTools::MakeDirectory(testingDir.c_str()) )
      {
      std::cerr << "Cannot create directory " << testingDir
                << std::endl;
      return false;
      }
    }
  std::string filename = testingDir + "/" + name;
  stream.open(filename.c_str());
  if( !stream )
    {
    return false;
    }
  return true;
}

void ctest::GenerateDartBuildOutput(std::ostream& os, 
                                    std::vector<cmCTestBuildErrorWarning> ew)
{
  os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
     << "<Site BuildName=\"" << m_DartConfiguration["BuildName"]
     << "\" BuildStamp=\"" << m_CurrentTag << "-Experimental\" Name=\""
     << m_DartConfiguration["Site"] << "\">\n"
     << "<Build>\n"
     << "\t<StartDateTime>" << m_StartBuild << "</StartDateTime>\n"
     << "<BuildCommand>" 
     << this->MakeXMLSafe(m_DartConfiguration["MakeCommand"])
     << "</BuildCommand>" << std::endl;
    
  std::vector<cmCTestBuildErrorWarning>::iterator it;
  for ( it = ew.begin(); it != ew.end(); it++ )
    {
    cmCTestBuildErrorWarning *cm = &(*it);
    os << "\t<" << (cm->m_Error ? "Error" : "Warning") << ">\n"
       << "\t\t<BuildLogLine>" << cm->m_LogLine << "</BuildLogLine>\n"
       << "\t\t<Text>" << this->MakeXMLSafe(cm->m_Text) 
       << "\n</Text>" << std::endl;
    if ( cm->m_SourceFile.size() > 0 )
      {
      os << "\t\t<SourceFile>" << cm->m_SourceFile << "</SourceFile>" 
         << std::endl;
      }
    if ( cm->m_SourceFileTail.size() > 0 )
      {
      os << "\t\t<SourceFileTail>" << cm->m_SourceFileTail 
         << "</SourceFileTail>" << std::endl;
      }
    if ( cm->m_LineNumber >= 0 )
      {
      os << "\t\t<SourceLineNumber>" << cm->m_LineNumber 
         << "</SourceLineNumber>" << std::endl;
      }
    os << "\t\t<PreContext>" << this->MakeXMLSafe(cm->m_PreContext) 
       << "</PreContext>\n"
       << "\t\t<PostContext>" << this->MakeXMLSafe(cm->m_PostContext) 
       << "</PostContext>\n"
       << "\t\t<RepeatCount>0</RepeatCount>\n"
       << "</" << (cm->m_Error ? "Error" : "Warning") << ">\n\n" 
       << std::endl;
    }
  os << "\t<Log Encoding=\"base64\" Compression=\"/bin/gzip\">\n\t</Log>\n"
     << "\t<EndDateTime>" << m_EndBuild << "</EndDateTime>\n"
     << "</Build>\n"
     << "</Site>" << std::endl;
}
  
void ctest::ProcessDirectory(std::vector<std::string> &passed, 
                             std::vector<std::string> &failed)
{
  // does the DartTestfile.txt exist ?
  if(!cmSystemTools::FileExists("DartTestfile.txt"))
    {
    return;
    }
  
  // parse the file
  std::ifstream fin("DartTestfile.txt");
  if(!fin)
    {
    return;
    }

  int firstTest = 1;
  
  std::string name;
  std::vector<std::string> args;
  cmRegularExpression ireg(this->m_IncludeRegExp.c_str());
  cmRegularExpression ereg(this->m_ExcludeRegExp.c_str());
  cmRegularExpression dartStuff("([\t\n ]*<DartMeasurement.*/DartMeasurement[a-zA-Z]*>[\t ]*[\n]*)");

  bool parseError;
  while ( fin )
    {
    if(cmSystemTools::ParseFunction(fin, name, args, "DartTestfile.txt",
                                    parseError))
      {
      if (name == "SUBDIRS")
        {
        std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
        for(std::vector<std::string>::iterator j = args.begin();
            j != args.end(); ++j)
          {   
          std::string nwd = cwd + "/";
          nwd += *j;
          if (cmSystemTools::FileIsDirectory(nwd.c_str()))
            {
            cmSystemTools::ChangeDirectory(nwd.c_str());
            this->ProcessDirectory(passed, failed);
            }
          }
        // return to the original directory
        cmSystemTools::ChangeDirectory(cwd.c_str());
        }
      
      if (name == "ADD_TEST")
        {
        if (this->m_UseExcludeRegExp && 
            this->m_UseExcludeRegExpFirst && 
            ereg.find(args[0].c_str()))
          {
          continue;
          }
        if (this->m_UseIncludeRegExp && !ireg.find(args[0].c_str()))
          {
          continue;
          }
        if (this->m_UseExcludeRegExp && 
            !this->m_UseExcludeRegExpFirst && 
            ereg.find(args[0].c_str()))
          {
          continue;
          }

        cmCTestTestResult cres;

        if (firstTest)
          {
          std::string nwd = cmSystemTools::GetCurrentWorkingDirectory();
          std::cerr << "Changing directory into " << nwd.c_str() << "\n";
          firstTest = 0;
          }
        cres.m_Name = args[0];
        fprintf(stderr,"Testing %-30s ",args[0].c_str());
        fflush(stderr);
        //std::cerr << "Testing " << args[0] << " ... ";
        // find the test executable
        std::string testCommand = 
          cmSystemTools::EscapeSpaces(this->FindExecutable(args[1].c_str()).c_str());
        // continue if we did not find the executable
        if (testCommand == "")
          {
          std::cerr << "Unable to find executable: " << 
            args[1].c_str() << "\n";
          continue;
          }
        
        testCommand = cmSystemTools::ConvertToOutputPath(testCommand.c_str());
        // add the arguments
        std::vector<std::string>::iterator j = args.begin();
        ++j;
        ++j;
        for(;j != args.end(); ++j)
          {   
          testCommand += " ";
          testCommand += cmSystemTools::EscapeSpaces(j->c_str());
          }
        /**
         * Run an executable command and put the stdout in output.
         */
        std::string output;
        int retVal;

        double clock_start, clock_finish;
        clock_start = floattime();

        bool res = cmSystemTools::RunCommand(testCommand.c_str(), output, 
                                             retVal, 0, false);
        clock_finish = floattime();

        cres.m_ExecutionTime = (double)(clock_finish - clock_start);
        cres.m_FullCommandLine = testCommand;

        if (!res || retVal != 0)
          {
          fprintf(stderr,"***Failed\n");
          if (output != "")
            {
            if (dartStuff.find(output.c_str()))
              {
              cmSystemTools::ReplaceString(output,
                                           dartStuff.match(1).c_str(),"");
              }
            if (output != "" && m_Verbose)
              {
              std::cerr << output.c_str() << "\n";
              }
            }
          failed.push_back(args[0]); 
          }
        else
          {
          fprintf(stderr,"   Passed\n");
          if (output != "")
            {
            if (dartStuff.find(output.c_str()))
              {
              cmSystemTools::ReplaceString(output,
                                           dartStuff.match(1).c_str(),"");
              }
            if (output != "" && m_Verbose)
              {
              std::cerr << output.c_str() << "\n";
              }
            }
          passed.push_back(args[0]); 
          }
        cres.m_Output = output;
        cres.m_ReturnValue = retVal;
        std::string nwd = cmSystemTools::GetCurrentWorkingDirectory();
        if ( nwd.size() > m_ToplevelPath.size() )
          {
          nwd = "." + nwd.substr(m_ToplevelPath.size(), nwd.npos);
          }
        cres.m_Path = nwd;
        cres.m_CompletionStatus = "Completed";
        m_TestResults.push_back( cres );
        }
      }
    }
}

int ctest::TestDirectory()
{
  std::vector<std::string> passed;
  std::vector<std::string> failed;
  int total;

  m_StartTest = ::CurrentTime();
  this->ProcessDirectory(passed, failed);
  m_EndTest = ::CurrentTime();

  total = int(passed.size()) + int(failed.size());

  if (total == 0)
    {
    std::cerr << "No tests were found!!!\n";
    }
  else
    {
    if (passed.size() && (m_UseIncludeRegExp || m_UseExcludeRegExp)) 
      {
      std::cerr << "\nThe following tests passed:\n";
      for(std::vector<std::string>::iterator j = passed.begin();
          j != passed.end(); ++j)
        {   
        std::cerr << "\t" << *j << "\n";
        }
      }

    float percent = float(passed.size()) * 100.0f / total;
    fprintf(stderr,"\n%.0f%% tests passed, %i tests failed out of %i\n",
            percent, int(failed.size()), total);

    if (failed.size()) 
      {
      std::cerr << "\nThe following tests FAILED:\n";
      for(std::vector<std::string>::iterator j = failed.begin();
          j != failed.end(); ++j)
        {   
        std::cerr << "\t" << *j << "\n";
        }
      }
    }

  if ( m_DartMode )
    {
    std::ofstream ofs;
    if( !this->OpenFile("", "Test.xml", ofs) )
      {
      std::cerr << "Cannot create testing XML file" << std::endl;
      return 1;
      }
    this->GenerateDartOutput(ofs);
    }

  return int(failed.size());
}

void ctest::GenerateDartOutput(std::ostream& os)
{
  if ( !m_DartMode )
    {
    return;
    }

  if ( m_TestResults.size() == 0 )
    {
    return;
    }

  os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
     << "<Site BuildName=\"" << m_DartConfiguration["BuildName"]
     << "\" BuildStamp=\"" << m_CurrentTag << "-Experimental\" Name=\""
     << m_DartConfiguration["Site"] << "\">\n"
     << "<Testing>\n"
     << "\t<StartDateTime>" << m_StartTest << "</StartDateTime>\n"
     << "\t<TestList>\n";
  tm_TestResultsVector::size_type cc;
  for ( cc = 0; cc < m_TestResults.size(); cc ++ )
    {
    cmCTestTestResult *result = &m_TestResults[cc];
    os << "\t\t<Test>" << this->MakeXMLSafe(result->m_Path) 
       << "/" << this->MakeXMLSafe(result->m_Name)
       << "</Test>" << std::endl;
    }
  os << "\t</TestList>\n";
  for ( cc = 0; cc < m_TestResults.size(); cc ++ )
    {
    cmCTestTestResult *result = &m_TestResults[cc];
    os << "\t<Test Status=\"" << (result->m_ReturnValue?"failed":"passed") 
       << "\">\n"
       << "\t\t<Name>" << this->MakeXMLSafe(result->m_Name) << "</Name>\n"
       << "\t\t<Path>" << this->MakeXMLSafe(result->m_Path) << "</Path>\n"
       << "\t\t<FullName>" << this->MakeXMLSafe(result->m_Path) 
       << "/" << this->MakeXMLSafe(result->m_Name) << "</FullName>\n"
       << "\t\t<FullCommandLine>" 
       << this->MakeXMLSafe(result->m_FullCommandLine) 
       << "</FullCommandLine>\n"
       << "\t\t<Results>" << std::endl;
    if ( result->m_ReturnValue )
      {
      os << "\t\t\t<NamedMeasurement type=\"text/string\" name=\"Exit Code\"><Value>"
         << "CHILDSTATUS" << "</Value></NamedMeasurement>\n"
         << "\t\t\t<NamedMeasurement type=\"text/string\" name=\"Exit Value\"><Value>"
         << result->m_ReturnValue << "</Value></NamedMeasurement>" << std::endl;
      }
    os << "\t\t\t<NamedMeasurement type=\"numeric/double\" "
       << "name=\"Execution Time\"><Value>"
       << result->m_ExecutionTime << "</Value></NamedMeasurement>\n"
       << "\t\t\t<NamedMeasurement type=\"text/string\" "
       << "name=\"Completion Status\"><Value>"
       << result->m_CompletionStatus << "</Value></NamedMeasurement>\n"
       << "\t\t\t<Measurement>\n"
       << "\t\t\t\t<Value>" << this->MakeXMLSafe(result->m_Output) 
       << "</Value>\n"
       << "\t\t\t</Measurement>\n"
       << "\t\t</Results>\n"
       << "\t</Test>" << std::endl;
    }
  
  os << "\t<EndDateTime>" << m_EndTest << "</EndDateTime>\n"
     << "</Testing>\n"
     << "</Site>" << std::endl;
}

int ctest::ProcessTests()
{
  int res = 0;
  bool notest = true;
  int cc;

  for ( cc = 0; cc < LAST_TEST; cc ++ )
    {
    if ( m_Tests[cc] )
      {
      notest = false;
      break;
      }
    }
  if ( m_Tests[UPDATE_TEST] || m_Tests[ALL_TEST] )
    {
    this->UpdateDirectory();
    }
  if ( m_Tests[CONFIGURE_TEST] || m_Tests[ALL_TEST] )
    {
    this->ConfigureDirectory();
    }
  if ( m_Tests[BUILD_TEST] || m_Tests[ALL_TEST] )
    {
    this->BuildDirectory();
    }
  if ( m_Tests[TEST_TEST] || m_Tests[ALL_TEST] || notest )
    {
    res += this->TestDirectory();
    }
  if ( m_Tests[COVERAGE_TEST] || m_Tests[ALL_TEST] )
    {
    std::cerr << "Coverage test is not yet implemented" << std::endl;
    }
  if ( m_Tests[PURIFY_TEST] || m_Tests[ALL_TEST] )
    {
    std::cerr << "Purify test is not yet implemented" << std::endl;
    }
  return res;
}


// this is a test driver program for cmake.
int main (int argc, char *argv[])
{
  ctest inst;
  
  // look at the args
  std::vector<std::string> args;
  for(int i =0; i < argc; ++i)
    {
    args.push_back(argv[i]);
    }

#ifdef _WIN32
  std::string comspec = "cmw9xcom.exe";
  cmSystemTools::SetWindows9xComspecSubstitute(comspec.c_str());
#endif
  
  for(unsigned int i=1; i < args.size(); ++i)
    {
    std::string arg = args[i];
    if(arg.find("-D",0) == 0 && i < args.size() - 1)
      {
      inst.m_ConfigType = args[i+1];
      }

    if( arg.find("-V",0) == 0 || arg.find("--verbose",0) == 0 )
      {
      inst.m_Verbose = true;
      }

    if( ( arg.find("-T",0) == 0 || arg.find("--dart-mode",0) == 0 ) && (i < args.size() -1) )
      {
      inst.m_DartMode = true;
      inst.SetTest(args[i+1].c_str());
      }
    
    if(arg.find("-R",0) == 0 && i < args.size() - 1)
      {
      inst.m_UseIncludeRegExp = true;
      inst.m_IncludeRegExp  = args[i+1];
      }

    if(arg.find("-E",0) == 0 && i < args.size() - 1)
      {
      inst.m_UseExcludeRegExp = true;
      inst.m_ExcludeRegExp  = args[i+1];
      inst.m_UseExcludeRegExpFirst = inst.m_UseIncludeRegExp ? false : true;
      }

    if(arg.find("-h") == 0 || 
       arg.find("-help") == 0 || 
       arg.find("-H") == 0 || 
       arg.find("--help") == 0 || 
       arg.find("/H") == 0 || 
       arg.find("/HELP") == 0 || 
       arg.find("/?") == 0)
      {
      std::cerr << "Usage: " << argv[0] << " <options>" << std::endl
                << "\t -D type      Specify config type" << std::endl
                << "\t -E test      Specify regular expression for tests to exclude" 
                << std::endl
                << "\t -R test      Specify regular expression for tests to include" 
                << std::endl
                << "\t -V           Verbose testing" << std::endl
                << "\t -H           Help page" << std::endl;
      return 1;
      }
    }

  // call process directory
  inst.Initialize();
  int res = inst.ProcessTests();
  inst.Finalize();

  return res;
}