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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;}
+ int GetExitException();
+ /**
+ * 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