336 lines
8.4 KiB
C++
336 lines
8.4 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmExecuteProcessCommand.h"
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#include "cmSystemTools.h"
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#include <cmsys/Process.h>
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// cmExecuteProcessCommand
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bool cmExecuteProcessCommand::InitialPass(std::vector<std::string> const& args)
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{
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if(args.size() < 1 )
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{
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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std::vector< std::vector<const char*> > cmds;
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std::string arguments;
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bool doing_command = false;
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unsigned int command_index = 0;
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bool output_quiet = false;
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bool error_quiet = false;
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std::string timeout_string;
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std::string input_file;
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std::string output_file;
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std::string error_file;
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std::string output_variable;
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std::string error_variable;
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std::string result_variable;
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std::string working_directory;
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for(size_t i=0; i < args.size(); ++i)
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{
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if(args[i] == "COMMAND")
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{
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doing_command = true;
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command_index = cmds.size();
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cmds.push_back(std::vector<const char*>());
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}
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else if(args[i] == "OUTPUT_VARIABLE")
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{
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doing_command = false;
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if(++i < args.size())
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{
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output_variable = args[i];
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}
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else
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{
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this->SetError(" called with no value for OUTPUT_VARIABLE.");
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return false;
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}
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}
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else if(args[i] == "ERROR_VARIABLE")
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{
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doing_command = false;
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if(++i < args.size())
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{
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error_variable = args[i];
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}
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else
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{
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this->SetError(" called with no value for ERROR_VARIABLE.");
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return false;
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}
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}
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else if(args[i] == "RESULT_VARIABLE")
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{
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doing_command = false;
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if(++i < args.size())
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{
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result_variable = args[i];
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}
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else
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{
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this->SetError(" called with no value for RESULT_VARIABLE.");
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return false;
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}
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}
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else if(args[i] == "WORKING_DIRECTORY")
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{
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doing_command = false;
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if(++i < args.size())
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{
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working_directory = args[i];
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}
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else
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{
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this->SetError(" called with no value for WORKING_DIRECTORY.");
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return false;
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}
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}
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else if(args[i] == "INPUT_FILE")
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{
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doing_command = false;
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if(++i < args.size())
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{
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input_file = args[i];
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}
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else
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{
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this->SetError(" called with no value for INPUT_FILE.");
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return false;
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}
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}
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else if(args[i] == "OUTPUT_FILE")
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{
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doing_command = false;
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if(++i < args.size())
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{
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output_file = args[i];
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}
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else
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{
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this->SetError(" called with no value for OUTPUT_FILE.");
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return false;
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}
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}
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else if(args[i] == "ERROR_FILE")
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{
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doing_command = false;
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if(++i < args.size())
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{
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error_file = args[i];
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}
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else
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{
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this->SetError(" called with no value for ERROR_FILE.");
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return false;
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}
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}
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else if(args[i] == "TIMEOUT")
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{
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doing_command = false;
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if(++i < args.size())
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{
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timeout_string = args[i];
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}
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else
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{
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this->SetError(" called with no value for TIMEOUT.");
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return false;
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}
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}
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else if(args[i] == "OUTPUT_QUIET")
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{
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doing_command = false;
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output_quiet = true;
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}
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else if(args[i] == "ERROR_QUIET")
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{
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doing_command = false;
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error_quiet = true;
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}
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else if(doing_command)
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{
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cmds[command_index].push_back(args[i].c_str());
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}
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}
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// Check for commands given.
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if(cmds.empty())
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{
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this->SetError(" called with no COMMAND argument.");
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return false;
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}
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for(unsigned int i=0; i < cmds.size(); ++i)
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{
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if(cmds[i].empty())
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{
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this->SetError(" given COMMAND argument with no value.");
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return false;
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}
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else
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{
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// Add the null terminating pointer to the command argument list.
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cmds[i].push_back(0);
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}
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}
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// Parse the timeout string.
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double timeout = -1;
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if(!timeout_string.empty())
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{
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if(sscanf(timeout_string.c_str(), "%lg", &timeout) != 1)
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{
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this->SetError(" called with TIMEOUT value that could not be parsed.");
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return false;
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}
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}
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// Create a process instance.
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cmsysProcess* cp = cmsysProcess_New();
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// Set the command sequence.
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for(unsigned int i=0; i < cmds.size(); ++i)
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{
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cmsysProcess_AddCommand(cp, &*cmds[i].begin());
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}
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// Set the process working directory.
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if(!working_directory.empty())
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{
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cmsysProcess_SetWorkingDirectory(cp, working_directory.c_str());
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}
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// Always hide the process window.
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cmsysProcess_SetOption(cp, cmsysProcess_Option_HideWindow, 1);
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// Check the output variables.
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bool merge_output = (output_variable == error_variable);
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if(error_variable.empty() && !error_quiet)
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{
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cmsysProcess_SetPipeShared(cp, cmsysProcess_Pipe_STDERR, 1);
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}
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if(!input_file.empty())
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{
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cmsysProcess_SetPipeFile(cp, cmsysProcess_Pipe_STDIN, input_file.c_str());
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}
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if(!output_file.empty())
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{
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cmsysProcess_SetPipeFile(cp, cmsysProcess_Pipe_STDOUT, output_file.c_str());
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}
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if(!error_file.empty())
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{
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cmsysProcess_SetPipeFile(cp, cmsysProcess_Pipe_STDERR, error_file.c_str());
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}
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// Set the timeout if any.
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if(timeout >= 0)
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{
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cmsysProcess_SetTimeout(cp, timeout);
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}
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// Start the process.
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cmsysProcess_Execute(cp);
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// Read the process output.
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std::vector<char> tempOutput;
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std::vector<char> tempError;
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int length;
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char* data;
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int p;
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while((p = cmsysProcess_WaitForData(cp, &data, &length, 0), p))
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{
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// Translate NULL characters in the output into valid text.
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for(int i=0; i < length; ++i)
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{
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if(data[i] == '\0')
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{
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data[i] = ' ';
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}
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}
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// Put the output in the right place.
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if(p == cmsysProcess_Pipe_STDOUT && !output_quiet ||
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p == cmsysProcess_Pipe_STDERR && !error_quiet && merge_output)
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{
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if(output_variable.empty())
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{
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cmSystemTools::Stdout(data, length);
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}
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else
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{
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tempOutput.insert(tempOutput.end(), data, data+length);
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}
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}
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else if(p == cmsysProcess_Pipe_STDERR && !error_quiet)
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{
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if(!error_variable.empty())
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{
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tempError.insert(tempError.end(), data, data+length);
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}
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}
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}
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// All output has been read. Wait for the process to exit.
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cmsysProcess_WaitForExit(cp, 0);
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// Store the output obtained.
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if(!output_variable.empty())
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{
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tempOutput.push_back('\0');
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m_Makefile->AddDefinition(output_variable.c_str(), &*tempOutput.begin());
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}
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if(!merge_output && !error_variable.empty())
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{
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tempError.push_back('\0');
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m_Makefile->AddDefinition(error_variable.c_str(), &*tempError.begin());
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}
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// Store the result of running the process.
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if(!result_variable.empty())
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{
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switch(cmsysProcess_GetState(cp))
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{
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case cmsysProcess_State_Exited:
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{
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int v = cmsysProcess_GetExitValue(cp);
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char buf[100];
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sprintf(buf, "%d", v);
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m_Makefile->AddDefinition(result_variable.c_str(), buf);
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}
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break;
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case cmsysProcess_State_Exception:
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m_Makefile->AddDefinition(result_variable.c_str(),
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cmsysProcess_GetExceptionString(cp));
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break;
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case cmsysProcess_State_Error:
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m_Makefile->AddDefinition(result_variable.c_str(),
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cmsysProcess_GetErrorString(cp));
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break;
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case cmsysProcess_State_Expired:
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m_Makefile->AddDefinition(result_variable.c_str(),
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"Process terminated due to timeout");
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break;
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}
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}
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// Delete the process instance.
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cmsysProcess_Delete(cp);
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return true;
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}
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