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path: root/Source/cmLinkLineComputer.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 "cmLinkLineComputer.h"
#include "cmComputeLinkInformation.h"
#include "cmGeneratorTarget.h"
#include "cmOutputConverter.h"

cmLinkLineComputer::cmLinkLineComputer(cmOutputConverter* outputConverter,
                                       cmState::Directory stateDir)
  : StateDir(stateDir)
  , OutputConverter(outputConverter)
  , ForResponse(false)
  , UseWatcomQuote(false)
  , Relink(false)
{
}

cmLinkLineComputer::~cmLinkLineComputer()
{
}

void cmLinkLineComputer::SetUseWatcomQuote(bool useWatcomQuote)
{
  this->UseWatcomQuote = useWatcomQuote;
}

void cmLinkLineComputer::SetForResponse(bool forResponse)
{
  this->ForResponse = forResponse;
}

void cmLinkLineComputer::SetRelink(bool relink)
{
  this->Relink = relink;
}

std::string cmLinkLineComputer::ConvertToLinkReference(
  std::string const& lib) const
{
  std::string relLib = lib;

  if (cmOutputConverter::ContainedInDirectory(
        this->StateDir.GetCurrentBinary(), lib, this->StateDir)) {
    relLib = cmOutputConverter::ForceToRelativePath(
      this->StateDir.GetCurrentBinary(), lib);
  }
  return relLib;
}

std::string cmLinkLineComputer::ComputeLinkLibs(cmComputeLinkInformation& cli)
{
  std::string linkLibs;
  typedef cmComputeLinkInformation::ItemVector ItemVector;
  ItemVector const& items = cli.GetItems();
  for (ItemVector::const_iterator li = items.begin(); li != items.end();
       ++li) {
    if (li->Target && li->Target->GetType() == cmState::INTERFACE_LIBRARY) {
      continue;
    }
    if (li->IsPath) {
      linkLibs +=
        this->ConvertToOutputFormat(this->ConvertToLinkReference(li->Value));
    } else {
      linkLibs += li->Value;
    }
    linkLibs += " ";
  }
  return linkLibs;
}

std::string cmLinkLineComputer::ConvertToOutputFormat(std::string const& input)
{
  cmOutputConverter::OutputFormat shellFormat = (this->ForResponse)
    ? cmOutputConverter::RESPONSE
    : ((this->UseWatcomQuote) ? cmOutputConverter::WATCOMQUOTE
                              : cmOutputConverter::SHELL);

  return this->OutputConverter->ConvertToOutputFormat(input, shellFormat);
}

std::string cmLinkLineComputer::ConvertToOutputForExisting(
  std::string const& input)
{
  cmOutputConverter::OutputFormat shellFormat = (this->ForResponse)
    ? cmOutputConverter::RESPONSE
    : ((this->UseWatcomQuote) ? cmOutputConverter::WATCOMQUOTE
                              : cmOutputConverter::SHELL);

  return this->OutputConverter->ConvertToOutputForExisting(input, shellFormat);
}

std::string cmLinkLineComputer::ComputeLinkPath(
  cmComputeLinkInformation& cli, std::string const& libPathFlag,
  std::string const& libPathTerminator)
{
  std::string linkPath;
  std::vector<std::string> const& libDirs = cli.GetDirectories();
  for (std::vector<std::string>::const_iterator libDir = libDirs.begin();
       libDir != libDirs.end(); ++libDir) {
    std::string libpath = this->ConvertToOutputForExisting(*libDir);
    linkPath += " " + libPathFlag;
    linkPath += libpath;
    linkPath += libPathTerminator;
    linkPath += " ";
  }
  return linkPath;
}

std::string cmLinkLineComputer::ComputeRPath(cmComputeLinkInformation& cli)
{
  std::string rpath;
  // Check what kind of rpath flags to use.
  if (cli.GetRuntimeSep().empty()) {
    // Each rpath entry gets its own option ("-R a -R b -R c")
    std::vector<std::string> runtimeDirs;
    cli.GetRPath(runtimeDirs, this->Relink);

    for (std::vector<std::string>::iterator ri = runtimeDirs.begin();
         ri != runtimeDirs.end(); ++ri) {
      rpath += cli.GetRuntimeFlag();
      rpath += this->ConvertToOutputFormat(*ri);
      rpath += " ";
    }
  } else {
    // All rpath entries are combined ("-Wl,-rpath,a:b:c").
    std::string rpathString = cli.GetRPathString(this->Relink);

    // Store the rpath option in the stream.
    if (!rpathString.empty()) {
      rpath += cli.GetRuntimeFlag();
      rpath +=
        this->OutputConverter->EscapeForShell(rpathString, !this->ForResponse);
      rpath += " ";
    }
  }
  return rpath;
}

std::string cmLinkLineComputer::ComputeFrameworkPath(
  cmComputeLinkInformation& cli, std::string const& fwSearchFlag)
{
  std::string frameworkPath;
  if (!fwSearchFlag.empty()) {
    std::vector<std::string> const& fwDirs = cli.GetFrameworkPaths();
    for (std::vector<std::string>::const_iterator fdi = fwDirs.begin();
         fdi != fwDirs.end(); ++fdi) {
      frameworkPath += fwSearchFlag;
      frameworkPath += this->ConvertToOutputFormat(*fdi);
      frameworkPath += " ";
    }
  }
  return frameworkPath;
}