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

  Program:   CMake - Cross-Platform Makefile Generator
  Module:    $RCSfile$
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html 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 "cmCPackGenericGenerator.h"

#include "cmMakefile.h"
#include "cmCPackLog.h"
#include "cmake.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmGeneratedFileStream.h"

#include <cmsys/SystemTools.hxx>
#include <cmsys/Glob.hxx>
#include <memory> // auto_ptr

//----------------------------------------------------------------------
cmCPackGenericGenerator::cmCPackGenericGenerator()
{
  this->GeneratorVerbose = false;
  this->MakefileMap = 0;
  this->Logger = 0;
}

//----------------------------------------------------------------------
cmCPackGenericGenerator::~cmCPackGenericGenerator()
{
  this->MakefileMap = 0;
}

//----------------------------------------------------------------------
void cmCPackGenericGeneratorProgress(const char *msg, float prog, void* ptr)
{
  cmCPackGenericGenerator* self = static_cast<cmCPackGenericGenerator*>(ptr);
  self->DisplayVerboseOutput(msg, prog);
}

//----------------------------------------------------------------------
void cmCPackGenericGenerator::DisplayVerboseOutput(const char* msg,
  float progress)
{
  (void)progress;
  cmCPackLogger(cmCPackLog::LOG_VERBOSE, "" << msg << std::endl);
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::PrepareNames()
{
  this->SetOption("CPACK_GENERATOR", this->Name.c_str());
  std::string tempDirectory = this->GetOption("CPACK_PACKAGE_DIRECTORY");
  tempDirectory += "/_CPack_Packages/";
  const char* toplevelTag = this->GetOption("CPACK_TOPLEVEL_TAG");
  if ( toplevelTag )
    {
    tempDirectory += toplevelTag;
    tempDirectory += "/";
    }
  tempDirectory += this->GetOption("CPACK_GENERATOR");
  std::string topDirectory = tempDirectory;

  std::string outName = this->GetOption("CPACK_PACKAGE_FILE_NAME");
  tempDirectory += "/" + outName;
  outName += ".";
  outName += this->GetOutputExtension();

  std::string destFile = this->GetOption("CPACK_PACKAGE_DIRECTORY");
  destFile += "/" + outName;

  std::string outFile = topDirectory + "/" + outName;
  std::string installPrefix = tempDirectory + this->GetInstallPrefix();

  this->SetOptionIfNotSet("CPACK_TOPLEVEL_DIRECTORY", topDirectory.c_str());
  this->SetOptionIfNotSet("CPACK_TEMPORARY_DIRECTORY", tempDirectory.c_str());
  this->SetOptionIfNotSet("CPACK_OUTPUT_FILE_NAME", outName.c_str());
  this->SetOptionIfNotSet("CPACK_OUTPUT_FILE_PATH", destFile.c_str());
  this->SetOptionIfNotSet("CPACK_TEMPORARY_PACKAGE_FILE_NAME", 
                          outFile.c_str());
  this->SetOptionIfNotSet("CPACK_INSTALL_DIRECTORY", this->GetInstallPath());
  this->SetOptionIfNotSet("CPACK_NATIVE_INSTALL_DIRECTORY",
    cmsys::SystemTools::ConvertToOutputPath(this->GetInstallPath()).c_str());
  this->SetOptionIfNotSet("CPACK_TEMPORARY_INSTALL_DIRECTORY", 
                          installPrefix.c_str());

  cmCPackLogger(cmCPackLog::LOG_DEBUG,
    "Look for: CPACK_PACKAGE_DESCRIPTION_FILE" << std::endl);
  const char* descFileName
    = this->GetOption("CPACK_PACKAGE_DESCRIPTION_FILE");
  if ( descFileName )
    {
    cmCPackLogger(cmCPackLog::LOG_DEBUG,
                  "Look for: " << descFileName << std::endl);
    if ( !cmSystemTools::FileExists(descFileName) )
      {
      cmCPackLogger(cmCPackLog::LOG_ERROR,
        "Cannot find description file name: " << descFileName << std::endl);
      return 0;
      }
    std::ifstream ifs(descFileName);
    if ( !ifs )
      {
      cmCPackLogger(cmCPackLog::LOG_ERROR,
        "Cannot open description file name: " << descFileName << std::endl);
      return 0;
      }
    cmOStringStream ostr;
    std::string line;

    cmCPackLogger(cmCPackLog::LOG_VERBOSE,
      "Read description file: " << descFileName << std::endl);
    while ( ifs && cmSystemTools::GetLineFromStream(ifs, line) )
      {
      ostr << cmSystemTools::MakeXMLSafe(line.c_str()) << std::endl;
      }
    this->SetOptionIfNotSet("CPACK_PACKAGE_DESCRIPTION", ostr.str().c_str());
    }
  if ( !this->GetOption("CPACK_PACKAGE_DESCRIPTION") )
    {
    cmCPackLogger(cmCPackLog::LOG_ERROR,
      "Project description not specified. Please specify "
      "CPACK_PACKAGE_DESCRIPTION or CPACK_PACKAGE_DESCRIPTION_FILE."
      << std::endl);
    return 0;
    }

  std::vector<std::string> path;
  std::string pkgPath = cmSystemTools::FindProgram("strip", path, false);
  if ( !pkgPath.empty() )
    {
    this->SetOptionIfNotSet("CPACK_STRIP_COMMAND", pkgPath.c_str());
    }
  this->SetOptionIfNotSet("CPACK_REMOVE_TOPLEVEL_DIRECTORY", "1");

  return 1;
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::InstallProject()
{
  cmCPackLogger(cmCPackLog::LOG_OUTPUT, "Install projects" << std::endl);
  this->CleanTemporaryDirectory();
  const char* tempInstallDirectory
    = this->GetOption("CPACK_TEMPORARY_INSTALL_DIRECTORY");
  int res = 1;
  if ( !cmsys::SystemTools::MakeDirectory(tempInstallDirectory))
    {
    cmCPackLogger(cmCPackLog::LOG_ERROR,
      "Problem creating temporary directory: " 
                  << (tempInstallDirectory ? tempInstallDirectory : "(NULL}")
      << std::endl);
    return 0;
    }

  bool movable = true;
  if ( movable )
    {
    // Make sure there is no destdir
    cmSystemTools::PutEnv("DESTDIR=");
    }
  else
    {
    std::string destDir = "DESTDIR=";
    destDir += tempInstallDirectory;
    cmSystemTools::PutEnv(destDir.c_str());
    }
  
  // If the CPackConfig file sets CPACK_INSTALL_COMMANDS then run them
  // as listed
  if ( !this->InstallProjectViaInstallCommands(
      movable, tempInstallDirectory) )
    {
    return 0;
    }

  // If the CPackConfig file sets CPACK_INSTALL_SCRIPT then run them
  // as listed
  if ( !this->InstallProjectViaInstallScript(
      movable, tempInstallDirectory) )
    {
    return 0;
    }

  // If the CPackConfig file sets CPACK_INSTALLED_DIRECTORIES
  // then glob it and copy it to CPACK_TEMPORARY_DIRECTORY
  // This is used in Source packageing
  if ( !this->InstallProjectViaInstalledDirectories(
      movable, tempInstallDirectory) )
    {
    return 0;
    }


  // If the project is a CMAKE project then run pre-install
  // and then read the cmake_install script to run it
  if ( !this->InstallProjectViaInstallCMakeProjects(
      movable, tempInstallDirectory) )
    {
    return 0;
    }

  if ( !movable )
    {
    cmSystemTools::PutEnv("DESTDIR=");
    }

  const char* stripExecutable = this->GetOption("CPACK_STRIP_COMMAND");
  const char* stripFiles
    = this->GetOption("CPACK_STRIP_FILES");
  if ( stripFiles && *stripFiles && stripExecutable && *stripExecutable )
    {
    cmCPackLogger(cmCPackLog::LOG_OUTPUT, "- Strip files" << std::endl);
    std::vector<std::string> stripFilesVector;
    cmSystemTools::ExpandListArgument(stripFiles,
      stripFilesVector);
    std::vector<std::string>::iterator it;
    for ( it = stripFilesVector.begin();
      it != stripFilesVector.end();
      ++it )
      {
      std::string fileName = tempInstallDirectory;
      fileName += "/" + *it;
      cmCPackLogger(cmCPackLog::LOG_VERBOSE,
        "    Strip file: " << fileName.c_str()
        << std::endl);
      std::string stripCommand = stripExecutable;
      stripCommand += " \"";
      stripCommand += fileName + "\"";
      int retVal = 1;
      std::string output;
      bool resB =
        cmSystemTools::RunSingleCommand(stripCommand.c_str(), &output,
                                        &retVal, 0,
                                        this->GeneratorVerbose, 0);
      if ( !resB || retVal )
        {
        cmCPackLogger(cmCPackLog::LOG_ERROR,
          "Problem running install command: " << stripCommand.c_str()
          << std::endl
          << "Error was: \"" << output.c_str() << "\""
          << std::endl);
        return 0;
        }
      }
    }
  return res;
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::InstallProjectViaInstallCommands(
  bool movable, const char* tempInstallDirectory)
{
  (void)movable;
  (void)tempInstallDirectory;
  const char* installCommands = this->GetOption("CPACK_INSTALL_COMMANDS");
  if ( installCommands && *installCommands )
    {
    std::string tempInstallDirectoryEnv = "CMAKE_INSTALL_PREFIX=";
    tempInstallDirectoryEnv += tempInstallDirectory;
    cmSystemTools::PutEnv(tempInstallDirectoryEnv.c_str());
    std::vector<std::string> installCommandsVector;
    cmSystemTools::ExpandListArgument(installCommands,installCommandsVector);
    std::vector<std::string>::iterator it;
    for ( it = installCommandsVector.begin();
      it != installCommandsVector.end();
      ++it )
      {
      cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Execute: " << it->c_str()
        << std::endl);
      std::string output;
      int retVal = 1;
      bool resB = cmSystemTools::RunSingleCommand(it->c_str(), &output,
        &retVal, 0, this->GeneratorVerbose, 0);
      if ( !resB || retVal )
        {
        std::string tmpFile = this->GetOption("CPACK_TOPLEVEL_DIRECTORY");
        tmpFile += "/InstallOutput.log";
        cmGeneratedFileStream ofs(tmpFile.c_str());
        ofs << "# Run command: " << it->c_str() << std::endl
          << "# Output:" << std::endl
          << output.c_str() << std::endl;
        cmCPackLogger(cmCPackLog::LOG_ERROR,
          "Problem running install command: " << it->c_str() << std::endl
          << "Please check " << tmpFile.c_str() << " for errors"
          << std::endl);
        return 0;
        }
      }
    }
  return 1;
}
  
//----------------------------------------------------------------------
int cmCPackGenericGenerator::InstallProjectViaInstalledDirectories(
  bool movable, const char* tempInstallDirectory)
{
  (void)movable;
  (void)tempInstallDirectory;
  std::vector<cmsys::RegularExpression> ignoreFilesRegex;
  const char* cpackIgnoreFiles = this->GetOption("CPACK_IGNORE_FILES");
  if ( cpackIgnoreFiles )
    {
    std::vector<std::string> ignoreFilesRegexString;
    cmSystemTools::ExpandListArgument(cpackIgnoreFiles,
                                      ignoreFilesRegexString);
    std::vector<std::string>::iterator it;
    for ( it = ignoreFilesRegexString.begin();
      it != ignoreFilesRegexString.end();
      ++it )
      {
      cmCPackLogger(cmCPackLog::LOG_VERBOSE,
        "Create ignore files regex for: " << it->c_str() << std::endl);
      ignoreFilesRegex.push_back(it->c_str());
      }
    }
  const char* installDirectories
    = this->GetOption("CPACK_INSTALLED_DIRECTORIES");
  if ( installDirectories && *installDirectories )
    {
    std::vector<std::string> installDirectoriesVector;
    cmSystemTools::ExpandListArgument(installDirectories,
      installDirectoriesVector);
    if ( installDirectoriesVector.size() % 2 != 0 )
      {
      cmCPackLogger(cmCPackLog::LOG_ERROR,
        "CPACK_INSTALLED_DIRECTORIES should contain pairs of <directory> and "
        "<subdirectory>. The <subdirectory> can be '.' to be installed in "
        "the toplevel directory of installation." << std::endl);
      return 0;
      }
    std::vector<std::string>::iterator it;
    const char* tempDir = this->GetOption("CPACK_TEMPORARY_DIRECTORY");
    for ( it = installDirectoriesVector.begin();
      it != installDirectoriesVector.end();
      ++it )
      {
      cmCPackLogger(cmCPackLog::LOG_DEBUG, "Find files" << std::endl);
      cmsys::Glob gl;
      std::string toplevel = it->c_str();
      it ++;
      std::string subdir = it->c_str();
      std::string findExpr = toplevel;
      findExpr += "/*";
      cmCPackLogger(cmCPackLog::LOG_OUTPUT,
        "- Install directory: " << toplevel << std::endl);
      gl.RecurseOn();
      if ( !gl.FindFiles(findExpr) )
        {
        cmCPackLogger(cmCPackLog::LOG_ERROR,
          "Cannot find any files in the installed directory" << std::endl);
        return 0;
        }
      std::vector<std::string>& files = gl.GetFiles();
      std::vector<std::string>::iterator gfit;
      std::vector<cmsys::RegularExpression>::iterator regIt;
      for ( gfit = files.begin(); gfit != files.end(); ++ gfit )
        {
        bool skip = false;
        std::string &inFile = *gfit;
        for ( regIt= ignoreFilesRegex.begin();
          regIt!= ignoreFilesRegex.end();
          ++ regIt)
          {
          if ( regIt->find(inFile.c_str()) )
            {
            cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Ignore file: "
              << inFile.c_str() << std::endl);
            skip = true;
            }
          }
        if ( skip )
          {
          continue;
          }
        std::string filePath = tempDir;
        filePath += "/" + subdir + "/"
          + cmSystemTools::RelativePath(toplevel.c_str(), gfit->c_str());
        cmCPackLogger(cmCPackLog::LOG_DEBUG, "Copy file: "
          << inFile.c_str() << " -> " << filePath.c_str() << std::endl);
        if ( !cmSystemTools::CopyFileIfDifferent(inFile.c_str(),
            filePath.c_str()) )
          {
          cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem copying file: "
            << inFile.c_str() << " -> " << filePath.c_str() << std::endl);
          return 0;
          }
        }
      }
    }
  return 1;
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::InstallProjectViaInstallScript(
  bool movable, const char* tempInstallDirectory)
{
  const char* cmakeScripts
    = this->GetOption("CPACK_INSTALL_SCRIPT");
  std::string currentWorkingDirectory =
    cmSystemTools::GetCurrentWorkingDirectory();
  if ( cmakeScripts && *cmakeScripts )
    {
    cmCPackLogger(cmCPackLog::LOG_OUTPUT,
                  "- Install scripts: " << cmakeScripts << std::endl);
    std::vector<std::string> cmakeScriptsVector;
    cmSystemTools::ExpandListArgument(cmakeScripts,
      cmakeScriptsVector);
    std::vector<std::string>::iterator it;
    for ( it = cmakeScriptsVector.begin();
      it != cmakeScriptsVector.end();
      ++it )
      {
      std::string installScript = it->c_str();

      cmCPackLogger(cmCPackLog::LOG_OUTPUT,
        "- Install script: " << installScript << std::endl);
      if ( movable )
        {
        this->SetOption("CMAKE_INSTALL_PREFIX", tempInstallDirectory);
        }
      this->SetOptionIfNotSet("CMAKE_CURRENT_BINARY_DIR",
        tempInstallDirectory);
      this->SetOptionIfNotSet("CMAKE_CURRENT_SOURCE_DIR",
        tempInstallDirectory);
      int res = this->MakefileMap->ReadListFile(0, installScript.c_str());
      if ( cmSystemTools::GetErrorOccuredFlag() || !res )
        {
        return 0;
        }
      }
    }
  return 1;
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::InstallProjectViaInstallCMakeProjects(
  bool movable, const char* tempInstallDirectory)
{
  const char* cmakeProjects
    = this->GetOption("CPACK_INSTALL_CMAKE_PROJECTS");
  const char* cmakeGenerator
    = this->GetOption("CPACK_CMAKE_GENERATOR");
  std::string currentWorkingDirectory = 
    cmSystemTools::GetCurrentWorkingDirectory();
  if ( cmakeProjects && *cmakeProjects )
    {
    if ( !cmakeGenerator )
      {
      cmCPackLogger(cmCPackLog::LOG_ERROR,
                    "CPACK_INSTALL_CMAKE_PROJECTS is specified, but "
                    "CPACK_CMAKE_GENERATOR is not. CPACK_CMAKE_GENERATOR "
                    "is required to install the project."
        << std::endl);
      return 0;
      }
    std::vector<std::string> cmakeProjectsVector;
    cmSystemTools::ExpandListArgument(cmakeProjects,
      cmakeProjectsVector);
    std::vector<std::string>::iterator it;
    for ( it = cmakeProjectsVector.begin();
      it != cmakeProjectsVector.end();
      ++it )
      {
      if ( it+1 == cmakeProjectsVector.end() ||
        it+2 == cmakeProjectsVector.end() ||
        it+3 == cmakeProjectsVector.end() )
        {
        cmCPackLogger(cmCPackLog::LOG_ERROR,
          "Not enough items on list: CPACK_INSTALL_CMAKE_PROJECTS. "
          "CPACK_INSTALL_CMAKE_PROJECTS should hold quadruplet of install "
          "directory, install project name, install component, and install "
          "subdirectory."
          << std::endl);
        return 0;
        }
      std::string installDirectory = it->c_str();
      ++it;
      std::string installProjectName = it->c_str();
      ++it;
      std::string installComponent = it->c_str();
      ++it;
      std::string installSubDirectory = it->c_str();
      std::string installFile = installDirectory + "/cmake_install.cmake";

      const char* buildConfig = this->GetOption("CPACK_BUILD_CONFIG");
      cmGlobalGenerator* globalGenerator 
        = this->MakefileMap->GetCMakeInstance()->CreateGlobalGenerator(
          cmakeGenerator);
      // set the global flag for unix style paths on cmSystemTools as 
      // soon as the generator is set.  This allows gmake to be used
      // on windows.
      cmSystemTools::SetForceUnixPaths(globalGenerator->GetForceUnixPaths());
      
      // Does this generator require pre-install?
      if ( globalGenerator->GetPreinstallTargetName() )
        {
        globalGenerator->FindMakeProgram(this->MakefileMap);
        const char* cmakeMakeProgram
          = this->MakefileMap->GetDefinition("CMAKE_MAKE_PROGRAM");
        std::string buildCommand
          = globalGenerator->GenerateBuildCommand(cmakeMakeProgram,
            installProjectName.c_str(), 0, 
            globalGenerator->GetPreinstallTargetName(),
            buildConfig, false, false);
        cmCPackLogger(cmCPackLog::LOG_DEBUG,
          "- Install command: " << buildCommand << std::endl);
        cmCPackLogger(cmCPackLog::LOG_OUTPUT,
          "- Run preinstall target for: " << installProjectName << std::endl);
        std::string output;
        int retVal = 1;
        bool resB = 
          cmSystemTools::RunSingleCommand(buildCommand.c_str(), 
                                          &output,
                                          &retVal, 
                                          installDirectory.c_str(), 
                                          this->GeneratorVerbose, 0);
        if ( !resB || retVal )
          {
          std::string tmpFile = this->GetOption("CPACK_TOPLEVEL_DIRECTORY");
          tmpFile += "/PreinstallOutput.log";
          cmGeneratedFileStream ofs(tmpFile.c_str());
          ofs << "# Run command: " << buildCommand.c_str() << std::endl
            << "# Directory: " << installDirectory.c_str() << std::endl
            << "# Output:" << std::endl
            << output.c_str() << std::endl;
          cmCPackLogger(cmCPackLog::LOG_ERROR,
            "Problem running install command: " << buildCommand.c_str()
            << std::endl
            << "Please check " << tmpFile.c_str() << " for errors"
            << std::endl);
          return 0;
          }
        }
      delete globalGenerator;
      
      cmCPackLogger(cmCPackLog::LOG_OUTPUT,
        "- Install project: " << installProjectName << std::endl);
      cmake cm;
      cm.SetProgressCallback(cmCPackGenericGeneratorProgress, this);
      cmGlobalGenerator gg;
      gg.SetCMakeInstance(&cm);
      std::auto_ptr<cmLocalGenerator> lg(gg.CreateLocalGenerator());
      lg->SetGlobalGenerator(&gg);
      cmMakefile *mf = lg->GetMakefile();
      std::string realInstallDirectory = tempInstallDirectory;
      if ( !installSubDirectory.empty() && installSubDirectory != "/" )
        {
        realInstallDirectory += installSubDirectory;
        }
      if ( movable )
        {
        mf->AddDefinition("CMAKE_INSTALL_PREFIX", tempInstallDirectory);
        }
      if ( buildConfig && *buildConfig )
        {
        mf->AddDefinition("BUILD_TYPE", buildConfig);
        }
      std::string installComponentLowerCase
        = cmSystemTools::LowerCase(installComponent);
      if ( installComponentLowerCase != "all" )
        {
        mf->AddDefinition("CMAKE_INSTALL_COMPONENT", 
                          installComponent.c_str());
        }

      int res = mf->ReadListFile(0, installFile.c_str());
      if ( cmSystemTools::GetErrorOccuredFlag() || !res )
        {
        return 0;
        }
      }
    }
  return 1;
}

//----------------------------------------------------------------------
void cmCPackGenericGenerator::SetOptionIfNotSet(const char* op,
  const char* value)
{
  const char* def = this->MakefileMap->GetDefinition(op);
  if ( def && *def )
    {
    return;
    }
  this->SetOption(op, value);
}

//----------------------------------------------------------------------
void cmCPackGenericGenerator::SetOption(const char* op, const char* value)
{
  if ( !op )
    {
    return;
    }
  if ( !value )
    {
    this->MakefileMap->RemoveDefinition(op);
    return;
    }
  cmCPackLogger(cmCPackLog::LOG_DEBUG, this->GetNameOfClass()
    << "::SetOption(" << op << ", " << value << ")" << std::endl);
  this->MakefileMap->AddDefinition(op, value);
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::ProcessGenerator()
{
  cmCPackLogger(cmCPackLog::LOG_OUTPUT,
    "Create package using " << this->Name.c_str() << std::endl);

  if ( !this->PrepareNames() )
    {
    return 0;
    }
  if ( cmSystemTools::IsOn(
      this->GetOption("CPACK_REMOVE_TOPLEVEL_DIRECTORY")) )
    {
    const char* toplevelDirectory
      = this->GetOption("CPACK_TOPLEVEL_DIRECTORY");
    if ( cmSystemTools::FileExists(toplevelDirectory) )
      {
      cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Remove toplevel directory: "
        << toplevelDirectory << std::endl);
      if ( !cmSystemTools::RemoveADirectory(toplevelDirectory) )
        {
        cmCPackLogger(cmCPackLog::LOG_ERROR,
          "Problem removing toplevel directory: "
          << toplevelDirectory
          << std::endl);
        return 0;
        }
      }
    }
  if ( !this->InstallProject() )
    {
    return 0;
    }

  const char* tempPackageFileName = this->GetOption(
    "CPACK_TEMPORARY_PACKAGE_FILE_NAME");
  const char* packageFileName = this->GetOption("CPACK_OUTPUT_FILE_PATH");
  const char* tempDirectory = this->GetOption("CPACK_TEMPORARY_DIRECTORY");


  cmCPackLogger(cmCPackLog::LOG_DEBUG, "Find files" << std::endl);
  cmsys::Glob gl;
  std::string findExpr = tempDirectory;
  findExpr += "/*";
  gl.RecurseOn();
  if ( !gl.FindFiles(findExpr) )
    {
    cmCPackLogger(cmCPackLog::LOG_ERROR,
      "Cannot find any files in the packaging tree" << std::endl);
    return 0;
    }

  cmCPackLogger(cmCPackLog::LOG_OUTPUT, "Compress package" << std::endl);
  cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Compress files to: "
    << (tempPackageFileName ? tempPackageFileName : "(NULL)") << std::endl);
  if ( cmSystemTools::FileExists(tempPackageFileName) )
    {
    cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Remove old package file"
      << std::endl);
    cmSystemTools::RemoveFile(tempPackageFileName);
    }
  if ( cmSystemTools::IsOn(this->GetOption(
        "CPACK_INCLUDE_TOPLEVEL_DIRECTORY")) )
    {
    tempDirectory = this->GetOption("CPACK_TOPLEVEL_DIRECTORY");
    }
  if ( !this->CompressFiles(tempPackageFileName,
      tempDirectory, gl.GetFiles()) )
    {
    cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem compressing the directory"
      << std::endl);
    return 0;
    }

  cmCPackLogger(cmCPackLog::LOG_OUTPUT, "Finalize package" << std::endl);
  cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Copy final package: "
                << (tempPackageFileName ? tempPackageFileName : "(NULL)" )
                << " to " 
                << (packageFileName ? packageFileName : "(NULL)")
                << std::endl);
  if ( !cmSystemTools::CopyFileIfDifferent(tempPackageFileName,
      packageFileName) )
    {
    cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem copying the package: "
                  << (tempPackageFileName ? tempPackageFileName : "(NULL)" )
                  << " to " 
                  << (packageFileName ? packageFileName : "(NULL)")
                  << std::endl);
    return 0;
    }

  cmCPackLogger(cmCPackLog::LOG_OUTPUT, "Package " 
                << (packageFileName ? packageFileName : "(NULL)")
    << " generated." << std::endl);
  return 1;
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::Initialize(const char* name, cmMakefile* mf,
 const char* argv0)
{
  this->MakefileMap = mf;
  this->Name = name;
  if ( !this->FindRunningCMake(argv0) )
    {
    cmCPackLogger(cmCPackLog::LOG_ERROR,
      "Cannot initialize the generator" << std::endl);
    return 0;
    }
  return this->InitializeInternal();
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::InitializeInternal()
{
  return 1;
}

//----------------------------------------------------------------------
const char* cmCPackGenericGenerator::GetOption(const char* op)
{
  return this->MakefileMap->GetDefinition(op);
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::FindRunningCMake(const char* arg0)
{
  int found = 0;
  // Find our own executable.
  std::vector<cmStdString> failures;
  this->CPackSelf = arg0;
  cmSystemTools::ConvertToUnixSlashes(this->CPackSelf);
  failures.push_back(this->CPackSelf);
  this->CPackSelf = cmSystemTools::FindProgram(this->CPackSelf.c_str());
  if(!cmSystemTools::FileExists(this->CPackSelf.c_str()))
    {
    failures.push_back(this->CPackSelf);
    this->CPackSelf =  "/usr/local/bin/ctest";
    }
  if(!cmSystemTools::FileExists(this->CPackSelf.c_str()))
    {
    failures.push_back(this->CPackSelf);
    cmOStringStream msg;
    msg << "CPack can not find the command line program ctest.\n";
    msg << "  argv[0] = \"" << arg0 << "\"\n";
    msg << "  Attempted paths:\n";
    std::vector<cmStdString>::iterator i;
    for(i=failures.begin(); i != failures.end(); ++i)
      {
      msg << "    \"" << i->c_str() << "\"\n";
      }
    cmCPackLogger(cmCPackLog::LOG_ERROR, msg.str().c_str()
      << std::endl);
    return 0;
    }
  std::string dir;
  std::string file;
  if(cmSystemTools::SplitProgramPath(this->CPackSelf.c_str(),
      dir, file, true))
    {
    this->CMakeSelf = dir += "/cmake";
    this->CMakeSelf += cmSystemTools::GetExecutableExtension();
    if(cmSystemTools::FileExists(this->CMakeSelf.c_str()))
      {
      found = 1;
      }
    }
  if ( !found )
    {
    failures.push_back(this->CMakeSelf);
#ifdef CMAKE_BUILD_DIR
    std::string intdir = ".";
#ifdef  CMAKE_INTDIR
    intdir = CMAKE_INTDIR;
#endif
    this->CMakeSelf = CMAKE_BUILD_DIR;
    this->CMakeSelf += "/bin/";
    this->CMakeSelf += intdir;
    this->CMakeSelf += "/cmake";
    this->CMakeSelf += cmSystemTools::GetExecutableExtension();
#endif
    if(!cmSystemTools::FileExists(this->CMakeSelf.c_str()))
      {
      failures.push_back(this->CMakeSelf);
      cmOStringStream msg;
      msg << "CPack can not find the command line program cmake.\n";
      msg << "  argv[0] = \"" << arg0 << "\"\n";
      msg << "  Attempted paths:\n";
      std::vector<cmStdString>::iterator i;
      for(i=failures.begin(); i != failures.end(); ++i)
        {
        msg << "    \"" << i->c_str() << "\"\n";
        }
      cmCPackLogger(cmCPackLog::LOG_ERROR, msg.str().c_str()
        << std::endl);
      return 0;
      }
    }
  // do CMAKE_ROOT, look for the environment variable first
  std::string cMakeRoot;
  std::string modules;
  cmCPackLogger(cmCPackLog::LOG_DEBUG, "Looking for CMAKE_ROOT" << std::endl);
  if (getenv("CMAKE_ROOT"))
    {
    cMakeRoot = getenv("CMAKE_ROOT");
    modules = cMakeRoot + "/Modules/CMake.cmake";
    }
  if(modules.empty() || !cmSystemTools::FileExists(modules.c_str()))
    {
    // next try exe/..
    cMakeRoot  = cmSystemTools::GetProgramPath(this->CMakeSelf.c_str());
    std::string::size_type slashPos = cMakeRoot.rfind("/");
    if(slashPos != std::string::npos)
      {
      cMakeRoot = cMakeRoot.substr(0, slashPos);
      }
    // is there no Modules direcory there?
    modules = cMakeRoot + "/Modules/CMake.cmake";
    cmCPackLogger(cmCPackLog::LOG_DEBUG, "Looking for CMAKE_ROOT: "
      << modules.c_str() << std::endl);
    }

  if (!cmSystemTools::FileExists(modules.c_str()))
    {
    // try exe/../share/cmake
    cMakeRoot += CMAKE_DATA_DIR;
    modules = cMakeRoot + "/Modules/CMake.cmake";
    cmCPackLogger(cmCPackLog::LOG_DEBUG, "Looking for CMAKE_ROOT: "
      << modules.c_str() << std::endl);
    }
#ifdef CMAKE_ROOT_DIR
  if (!cmSystemTools::FileExists(modules.c_str()))
    {
    // try compiled in root directory
    cMakeRoot = CMAKE_ROOT_DIR;
    modules = cMakeRoot + "/Modules/CMake.cmake";
    cmCPackLogger(cmCPackLog::LOG_DEBUG, "Looking for CMAKE_ROOT: "
      << modules.c_str() << std::endl);
    }
#endif
#ifdef CMAKE_PREFIX
  if (!cmSystemTools::FileExists(modules.c_str()))
    {
    // try compiled in install prefix
    cMakeRoot = CMAKE_PREFIX CMAKE_DATA_DIR;
    modules = cMakeRoot + "/Modules/CMake.cmake";
    cmCPackLogger(cmCPackLog::LOG_DEBUG, "Looking for CMAKE_ROOT: "
      << modules.c_str() << std::endl);
    }
#endif
  if (!cmSystemTools::FileExists(modules.c_str()))
    {
    // try
    cMakeRoot  = cmSystemTools::GetProgramPath(this->CMakeSelf.c_str());
    cMakeRoot += CMAKE_DATA_DIR;
    modules = cMakeRoot +  "/Modules/CMake.cmake";
    cmCPackLogger(cmCPackLog::LOG_DEBUG, "Looking for CMAKE_ROOT: "
      << modules.c_str() << std::endl);
    }
  if(!cmSystemTools::FileExists(modules.c_str()))
    {
    // next try exe
    cMakeRoot  = cmSystemTools::GetProgramPath(this->CMakeSelf.c_str());
    // is there no Modules direcory there?
    modules = cMakeRoot + "/Modules/CMake.cmake";
    cmCPackLogger(cmCPackLog::LOG_DEBUG, "Looking for CMAKE_ROOT: "
      << modules.c_str() << std::endl);
    }
  if (!cmSystemTools::FileExists(modules.c_str()))
    {
    // couldn't find modules
    cmCPackLogger(cmCPackLog::LOG_ERROR,
      "Could not find CMAKE_ROOT !!!" << std::endl
      << "CMake has most likely not been installed correctly." << std::endl
      <<"Modules directory not found in" << std::endl
      << cMakeRoot.c_str()
      << std::endl);
    return 0;
    }
  this->CMakeRoot = cMakeRoot;
  cmCPackLogger(cmCPackLog::LOG_DEBUG, "Looking for CMAKE_ROOT: "
    << this->CMakeRoot.c_str() << std::endl);
  this->SetOption("CMAKE_ROOT", this->CMakeRoot.c_str());
  return 1;
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::CompressFiles(const char* outFileName,
  const char* toplevel, const std::vector<std::string>& files)
{
  (void)outFileName;
  (void)toplevel;
  (void)files;
  return 0;
}

//----------------------------------------------------------------------
const char* cmCPackGenericGenerator::GetInstallPath()
{
  if ( !this->InstallPath.empty() )
    {
    return this->InstallPath.c_str();
    }
#if defined(_WIN32) && !defined(__CYGWIN__)
  const char* prgfiles = cmsys::SystemTools::GetEnv("ProgramFiles");
  const char* sysDrive = cmsys::SystemTools::GetEnv("SystemDrive");
  if ( prgfiles )
    {
    this->InstallPath = prgfiles;
    }
  else if ( sysDrive )
    {
    this->InstallPath = sysDrive;
    this->InstallPath += "/Program Files";
    }
  else
    {
    this->InstallPath = "c:/Program Files";
    }
  this->InstallPath += "/";
  this->InstallPath += this->GetOption("CPACK_PACKAGE_NAME");
  this->InstallPath += "-";
  this->InstallPath += this->GetOption("CPACK_PACKAGE_VERSION");
#else
  this->InstallPath = "/usr/local/";
#endif
  return this->InstallPath.c_str();
}

//----------------------------------------------------------------------
std::string cmCPackGenericGenerator::FindTemplate(const char* name)
{
  cmCPackLogger(cmCPackLog::LOG_DEBUG, "Look for template: "
    << (name ? name : "(NULL)") << std::endl);
  std::string ffile = this->MakefileMap->GetModulesFile(name);
  cmCPackLogger(cmCPackLog::LOG_DEBUG, "Found template: "
    << ffile.c_str() << std::endl);
  return ffile;
}

//----------------------------------------------------------------------
bool cmCPackGenericGenerator::ConfigureString(const std::string& inString,
  std::string& outString)
{
  this->MakefileMap->ConfigureString(inString,
    outString, true, false);
  return true;
}

//----------------------------------------------------------------------
bool cmCPackGenericGenerator::ConfigureFile(const char* inName,
  const char* outName)
{
  return this->MakefileMap->ConfigureFile(inName, outName,
    false, true, false) == 1;
}

//----------------------------------------------------------------------
int cmCPackGenericGenerator::CleanTemporaryDirectory()
{
  const char* tempInstallDirectory
    = this->GetOption("CPACK_TEMPORARY_INSTALL_DIRECTORY");
  if(cmsys::SystemTools::FileExists(tempInstallDirectory))
    { 
    cmCPackLogger(cmCPackLog::LOG_OUTPUT,
                  "- Clean temporary : " 
                  << tempInstallDirectory << std::endl);
    if(!cmsys::SystemTools::RemoveADirectory(tempInstallDirectory))
      {
      cmCPackLogger(cmCPackLog::LOG_ERROR,
                    "Problem removing temporary directory: " <<
                    tempInstallDirectory
                    << std::endl);
      return 0;
      }
    }
  return 1;
}
