Source/cmForEachCommand.cxx

   1 /*=========================================================================
   2
   3   Program:   Insight Segmentation & Registration Toolkit
   4   Module:    $RCSfile: cmForEachCommand.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2002-07-17 14:48:05 $
   7   Version:   $Revision: 1.7 $
   8
   9   Copyright (c) 2002 Insight Consortium. All rights reserved.
  10   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
  11
  12      This software is distributed WITHOUT ANY WARRANTY; without even
  13      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  14      PURPOSE.  See the above copyright notices for more information.
  15
  16 =========================================================================*/
  17 #include "cmForEachCommand.h"
  18 #include "cmCacheManager.h"
  19
  20 bool cmForEachFunctionBlocker::
  21 IsFunctionBlocked(const char *name, const std::vector<std::string> &args,
  22                   cmMakefile &mf)
  23 {
  24   // prevent recusion and don't let this blobker blobk its own commands
  25   if (m_Executing)
  26     {
  27     return false;
  28     }
  29
  30   // at end of for each execute recorded commands
  31   if (!strcmp(name,"ENDFOREACH") && args[0] == m_Args[0])
  32     {
  33     m_Executing = true;
  34     std::string variable = "${";
  35     variable += m_Args[0];
  36     variable += "}";
  37     std::vector<std::string>::const_iterator j = m_Args.begin();
  38     ++j;
  39
  40     for( ; j != m_Args.end(); ++j)
  41       {
  42       // perform string replace
  43         for(unsigned int c = 0; c < m_Commands.size(); ++c)
  44         {
  45         std::vector<std::string> newArgs;
  46         for (std::vector<std::string>::const_iterator k =
  47                m_CommandArguments[c].begin();
  48              k != m_CommandArguments[c].end(); ++k)
  49           {
  50           std::string tmps = *k;
  51           cmSystemTools::ReplaceString(tmps, variable.c_str(),
  52                                        j->c_str());
  53           newArgs.push_back(tmps);
  54           }
  55         // execute command
  56         mf.ExecuteCommand(m_Commands[c],newArgs);
  57         }
  58       }
  59     return false;
  60     }
  61
  62   // record the command
  63   m_Commands.push_back(name);
  64   std::vector<std::string> newArgs;
  65   for(std::vector<std::string>::const_iterator j = args.begin();
  66       j != args.end(); ++j)
  67     {
  68     newArgs.push_back(*j);
  69     }
  70   m_CommandArguments.push_back(newArgs);
  71
  72   // always return true
  73   return true;
  74 }
  75
  76 bool cmForEachFunctionBlocker::
  77 ShouldRemove(const char *name, const std::vector<std::string> &args,
  78              cmMakefile &)
  79 {
  80   if (!strcmp(name,"ENDFOREACH") && args[0] == m_Args[0])
  81     {
  82     return true;
  83     }
  84   return false;
  85 }
  86
  87 void cmForEachFunctionBlocker::
  88 ScopeEnded(cmMakefile &mf)
  89 {
  90   cmSystemTools::Error("The end of a CMakeLists file was reached with a FOREACH statement that was not closed properly. Within the directory: ",
  91                        mf.GetCurrentDirectory());
  92 }
  93
  94 bool cmForEachCommand::InitialPass(std::vector<std::string> const& argsIn)
  95 {
  96   std::vector<std::string> args;
  97   cmSystemTools::ExpandListArguments(argsIn, args);
  98
  99   if(args.size() < 1)
 100     {
 101     this->SetError("called with incorrect number of arguments");
 102     return false;
 103     }
 104
 105   // create a function blocker
 106   cmForEachFunctionBlocker *f = new cmForEachFunctionBlocker();
 107   for(std::vector<std::string>::const_iterator j = args.begin();
 108       j != args.end(); ++j)
 109     {
 110     f->m_Args.push_back(*j);
 111     }
 112   m_Makefile->AddFunctionBlocker(f);
 113
 114   return true;
 115 }
 116