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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.
============================================================================*/
#ifndef cmProcess_h
#define cmProcess_h
#include "cmStandardIncludes.h"
#include <cmsys/Process.h>
/** \class cmProcess
* \brief run a process with c++
*
* cmProcess wraps the kwsys process stuff in a c++ class.
*/
class cmProcess
{
public:
cmProcess();
~cmProcess();
const char* GetCommand() { return this->Command.c_str();}
void SetCommand(const char* command);
void SetCommandArguments(std::vector<std::string> const& arg);
void SetWorkingDirectory(const char* dir) { this->WorkingDirectory = dir;}
void SetTimeout(double t) { this->Timeout = t;}
// Return true if the process starts
bool StartProcess();
// return the process status
int GetProcessStatus();
// Report the status of the program
int ReportStatus();
int GetId() { return this->Id; }
void SetId(int id) { this->Id = id;}
int GetExitValue() { return this->ExitValue;}
double GetTotalTime() { return this->TotalTime;}
/**
* Read one line of output but block for no more than timeout.
* Returns:
* cmsysProcess_Pipe_None = Process terminated and all output read
* cmsysProcess_Pipe_STDOUT = Line came from stdout
* cmsysProcess_Pipe_STDOUT = Line came from stderr
* cmsysProcess_Pipe_Timeout = Timeout expired while waiting
*/
int GetNextOutputLine(std::string& line, double timeout);
private:
double Timeout;
double StartTime;
double TotalTime;
cmsysProcess* Process;
class Buffer: public std::vector<char>
{
// Half-open index range of partial line already scanned.
size_type First;
size_type Last;
public:
Buffer(): First(0), Last(0) {}
bool GetLine(std::string& line);
bool GetLast(std::string& line);
};
Buffer StdErr;
Buffer StdOut;
std::string Command;
std::string WorkingDirectory;
std::vector<std::string> Arguments;
std::vector<const char*> ProcessArgs;
std::string Output;
int Id;
int ExitValue;
};
#endif
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