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path: root/Source/cmConfigureFileCommand.cxx
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/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#include "cmConfigureFileCommand.h"

#include <cmsys/RegularExpression.hxx>

// cmConfigureFileCommand
bool cmConfigureFileCommand::InitialPass(std::vector<std::string> const& args,
                                         cmExecutionStatus&)
{
  if (args.size() < 2) {
    this->SetError("called with incorrect number of arguments, expected 2");
    return false;
  }

  const char* inFile = args[0].c_str();
  if (!cmSystemTools::FileIsFullPath(inFile)) {
    this->InputFile = this->Makefile->GetCurrentSourceDirectory();
    this->InputFile += "/";
  }
  this->InputFile += inFile;

  // If the input location is a directory, error out.
  if (cmSystemTools::FileIsDirectory(this->InputFile)) {
    std::ostringstream e;
    /* clang-format off */
    e << "input location\n"
      << "  " << this->InputFile << "\n"
      << "is a directory but a file was expected.";
    /* clang-format on */
    this->SetError(e.str());
    return false;
  }

  const char* outFile = args[1].c_str();
  if (!cmSystemTools::FileIsFullPath(outFile)) {
    this->OutputFile = this->Makefile->GetCurrentBinaryDirectory();
    this->OutputFile += "/";
  }
  this->OutputFile += outFile;

  // If the output location is already a directory put the file in it.
  if (cmSystemTools::FileIsDirectory(this->OutputFile)) {
    this->OutputFile += "/";
    this->OutputFile += cmSystemTools::GetFilenameName(inFile);
  }

  if (!this->Makefile->CanIWriteThisFile(this->OutputFile.c_str())) {
    std::string e = "attempted to configure a file: " + this->OutputFile +
      " into a source directory.";
    this->SetError(e);
    cmSystemTools::SetFatalErrorOccured();
    return false;
  }
  std::string errorMessage;
  if (!this->NewLineStyle.ReadFromArguments(args, errorMessage)) {
    this->SetError(errorMessage);
    return false;
  }
  this->CopyOnly = false;
  this->EscapeQuotes = false;

  std::string unknown_args;
  this->AtOnly = false;
  for (unsigned int i = 2; i < args.size(); ++i) {
    if (args[i] == "COPYONLY") {
      this->CopyOnly = true;
      if (this->NewLineStyle.IsValid()) {
        this->SetError("COPYONLY could not be used in combination "
                       "with NEWLINE_STYLE");
        return false;
      }
    } else if (args[i] == "ESCAPE_QUOTES") {
      this->EscapeQuotes = true;
    } else if (args[i] == "@ONLY") {
      this->AtOnly = true;
    } else if (args[i] == "IMMEDIATE") {
      /* Ignore legacy option.  */
    } else if (args[i] == "NEWLINE_STYLE" || args[i] == "LF" ||
               args[i] == "UNIX" || args[i] == "CRLF" || args[i] == "WIN32" ||
               args[i] == "DOS") {
      /* Options handled by NewLineStyle member above.  */
    } else {
      unknown_args += " ";
      unknown_args += args[i];
      unknown_args += "\n";
    }
  }
  if (!unknown_args.empty()) {
    std::string msg = "configure_file called with unknown argument(s):\n";
    msg += unknown_args;
    this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, msg);
  }

  if (!this->ConfigureFile()) {
    this->SetError("Problem configuring file");
    return false;
  }

  return true;
}

int cmConfigureFileCommand::ConfigureFile()
{
  return this->Makefile->ConfigureFile(
    this->InputFile.c_str(), this->OutputFile.c_str(), this->CopyOnly,
    this->AtOnly, this->EscapeQuotes, this->NewLineStyle);
}