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path: root/Source/CPack/cmCPackArchiveGenerator.cxx
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/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#include "cmCPackArchiveGenerator.h"

#include "cmCPackComponentGroup.h"
#include "cmCPackGenerator.h"
#include "cmCPackLog.h"
#include "cmGeneratedFileStream.h"
#include "cmSystemTools.h"

#include <map>
#include <ostream>
#include <utility>
#include <vector>

cmCPackArchiveGenerator::cmCPackArchiveGenerator(cmArchiveWrite::Compress t,
                                                 std::string const& format)
{
  this->Compress = t;
  this->ArchiveFormat = format;
}

cmCPackArchiveGenerator::~cmCPackArchiveGenerator()
{
}

int cmCPackArchiveGenerator::InitializeInternal()
{
  this->SetOptionIfNotSet("CPACK_INCLUDE_TOPLEVEL_DIRECTORY", "1");
  return this->Superclass::InitializeInternal();
}
int cmCPackArchiveGenerator::addOneComponentToArchive(
  cmArchiveWrite& archive, cmCPackComponent* component)
{
  cmCPackLogger(cmCPackLog::LOG_VERBOSE,
                "   - packaging component: " << component->Name << std::endl);
  // Add the files of this component to the archive
  std::string localToplevel(this->GetOption("CPACK_TEMPORARY_DIRECTORY"));
  localToplevel += "/" + component->Name;
  std::string dir = cmSystemTools::GetCurrentWorkingDirectory();
  // Change to local toplevel
  cmSystemTools::ChangeDirectory(localToplevel);
  std::string filePrefix;
  if (this->IsOn("CPACK_COMPONENT_INCLUDE_TOPLEVEL_DIRECTORY")) {
    filePrefix = this->GetOption("CPACK_PACKAGE_FILE_NAME");
    filePrefix += "/";
  }
  const char* installPrefix =
    this->GetOption("CPACK_PACKAGING_INSTALL_PREFIX");
  if (installPrefix && installPrefix[0] == '/' && installPrefix[1] != 0) {
    // add to file prefix and remove the leading '/'
    filePrefix += installPrefix + 1;
    filePrefix += "/";
  }
  std::vector<std::string>::const_iterator fileIt;
  for (fileIt = component->Files.begin(); fileIt != component->Files.end();
       ++fileIt) {
    std::string rp = filePrefix + *fileIt;
    cmCPackLogger(cmCPackLog::LOG_DEBUG, "Adding file: " << rp << std::endl);
    archive.Add(rp, 0, CM_NULLPTR, false);
    if (!archive) {
      cmCPackLogger(cmCPackLog::LOG_ERROR, "ERROR while packaging files: "
                      << archive.GetError() << std::endl);
      return 0;
    }
  }
  // Go back to previous dir
  cmSystemTools::ChangeDirectory(dir);
  return 1;
}

/*
 * The macro will open/create a file 'filename'
 * an declare and open the associated
 * cmArchiveWrite 'archive' object.
 */
#define DECLARE_AND_OPEN_ARCHIVE(filename, archive)                           \
  cmGeneratedFileStream gf;                                                   \
  gf.Open((filename).c_str(), false, true);                                   \
  if (!GenerateHeader(&gf)) {                                                 \
    cmCPackLogger(cmCPackLog::LOG_ERROR,                                      \
                  "Problem to generate Header for archive < "                 \
                    << (filename) << ">." << std::endl);                      \
    return 0;                                                                 \
  }                                                                           \
  cmArchiveWrite archive(gf, this->Compress, this->ArchiveFormat);            \
  if (!(archive)) {                                                           \
    cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem to create archive < "       \
                    << (filename) << ">. ERROR =" << (archive).GetError()     \
                    << std::endl);                                            \
    return 0;                                                                 \
  }

int cmCPackArchiveGenerator::PackageComponents(bool ignoreGroup)
{
  packageFileNames.clear();
  // The default behavior is to have one package by component group
  // unless CPACK_COMPONENTS_IGNORE_GROUP is specified.
  if (!ignoreGroup) {
    std::map<std::string, cmCPackComponentGroup>::iterator compGIt;
    for (compGIt = this->ComponentGroups.begin();
         compGIt != this->ComponentGroups.end(); ++compGIt) {
      cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Packaging component group: "
                      << compGIt->first << std::endl);
      // Begin the archive for this group
      std::string packageFileName = std::string(toplevel);
      packageFileName += "/" +
        GetComponentPackageFileName(this->GetOption("CPACK_PACKAGE_FILE_NAME"),
                                    compGIt->first, true) +
        this->GetOutputExtension();
      // open a block in order to automatically close archive
      // at the end of the block
      {
        DECLARE_AND_OPEN_ARCHIVE(packageFileName, archive);
        // now iterate over the component of this group
        std::vector<cmCPackComponent*>::iterator compIt;
        for (compIt = (compGIt->second).Components.begin();
             compIt != (compGIt->second).Components.end(); ++compIt) {
          // Add the files of this component to the archive
          addOneComponentToArchive(archive, *compIt);
        }
      }
      // add the generated package to package file names list
      packageFileNames.push_back(packageFileName);
    }
    // Handle Orphan components (components not belonging to any groups)
    std::map<std::string, cmCPackComponent>::iterator compIt;
    for (compIt = this->Components.begin(); compIt != this->Components.end();
         ++compIt) {
      // Does the component belong to a group?
      if (compIt->second.Group == CM_NULLPTR) {
        cmCPackLogger(
          cmCPackLog::LOG_VERBOSE, "Component <"
            << compIt->second.Name
            << "> does not belong to any group, package it separately."
            << std::endl);
        std::string localToplevel(
          this->GetOption("CPACK_TEMPORARY_DIRECTORY"));
        std::string packageFileName = std::string(toplevel);

        localToplevel += "/" + compIt->first;
        packageFileName += "/" + GetComponentPackageFileName(
                                   this->GetOption("CPACK_PACKAGE_FILE_NAME"),
                                   compIt->first, false) +
          this->GetOutputExtension();
        {
          DECLARE_AND_OPEN_ARCHIVE(packageFileName, archive);
          // Add the files of this component to the archive
          addOneComponentToArchive(archive, &(compIt->second));
        }
        // add the generated package to package file names list
        packageFileNames.push_back(packageFileName);
      }
    }
  }
  // CPACK_COMPONENTS_IGNORE_GROUPS is set
  // We build 1 package per component
  else {
    std::map<std::string, cmCPackComponent>::iterator compIt;
    for (compIt = this->Components.begin(); compIt != this->Components.end();
         ++compIt) {
      std::string localToplevel(this->GetOption("CPACK_TEMPORARY_DIRECTORY"));
      std::string packageFileName = std::string(toplevel);

      localToplevel += "/" + compIt->first;
      packageFileName += "/" +
        GetComponentPackageFileName(this->GetOption("CPACK_PACKAGE_FILE_NAME"),
                                    compIt->first, false) +
        this->GetOutputExtension();
      {
        DECLARE_AND_OPEN_ARCHIVE(packageFileName, archive);
        // Add the files of this component to the archive
        addOneComponentToArchive(archive, &(compIt->second));
      }
      // add the generated package to package file names list
      packageFileNames.push_back(packageFileName);
    }
  }
  return 1;
}

int cmCPackArchiveGenerator::PackageComponentsAllInOne()
{
  // reset the package file names
  packageFileNames.clear();
  packageFileNames.push_back(std::string(toplevel));
  packageFileNames[0] += "/" +
    std::string(this->GetOption("CPACK_PACKAGE_FILE_NAME")) +
    this->GetOutputExtension();
  cmCPackLogger(cmCPackLog::LOG_VERBOSE,
                "Packaging all groups in one package..."
                "(CPACK_COMPONENTS_ALL_GROUPS_IN_ONE_PACKAGE is set)"
                  << std::endl);
  DECLARE_AND_OPEN_ARCHIVE(packageFileNames[0], archive);

  // The ALL COMPONENTS in ONE package case
  std::map<std::string, cmCPackComponent>::iterator compIt;
  for (compIt = this->Components.begin(); compIt != this->Components.end();
       ++compIt) {
    // Add the files of this component to the archive
    addOneComponentToArchive(archive, &(compIt->second));
  }

  // archive goes out of scope so it will finalized and closed.
  return 1;
}

int cmCPackArchiveGenerator::PackageFiles()
{
  cmCPackLogger(cmCPackLog::LOG_DEBUG, "Toplevel: " << toplevel << std::endl);

  if (WantsComponentInstallation()) {
    // CASE 1 : COMPONENT ALL-IN-ONE package
    // If ALL COMPONENTS in ONE package has been requested
    // then the package file is unique and should be open here.
    if (componentPackageMethod == ONE_PACKAGE) {
      return PackageComponentsAllInOne();
    }
    // CASE 2 : COMPONENT CLASSICAL package(s) (i.e. not all-in-one)
    // There will be 1 package for each component group
    // however one may require to ignore component group and
    // in this case you'll get 1 package for each component.
    return PackageComponents(componentPackageMethod ==
                             ONE_PACKAGE_PER_COMPONENT);
  }

  // CASE 3 : NON COMPONENT package.
  DECLARE_AND_OPEN_ARCHIVE(packageFileNames[0], archive);
  std::vector<std::string>::const_iterator fileIt;
  std::string dir = cmSystemTools::GetCurrentWorkingDirectory();
  cmSystemTools::ChangeDirectory(toplevel);
  for (fileIt = files.begin(); fileIt != files.end(); ++fileIt) {
    // Get the relative path to the file
    std::string rp =
      cmSystemTools::RelativePath(toplevel.c_str(), fileIt->c_str());
    archive.Add(rp, 0, CM_NULLPTR, false);
    if (!archive) {
      cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem while adding file< "
                      << *fileIt << "> to archive <" << packageFileNames[0]
                      << "> .ERROR =" << archive.GetError() << std::endl);
      return 0;
    }
  }
  cmSystemTools::ChangeDirectory(dir);
  // The destructor of cmArchiveWrite will close and finish the write
  return 1;
}

int cmCPackArchiveGenerator::GenerateHeader(std::ostream* /*unused*/)
{
  return 1;
}

bool cmCPackArchiveGenerator::SupportsComponentInstallation() const
{
  // The Component installation support should only
  // be activated if explicitly requested by the user
  // (for backward compatibility reason)
  return IsOn("CPACK_ARCHIVE_COMPONENT_INSTALL");
}