CMake/Source/cmProcessTools.cxx

94 lines
2.6 KiB
C++

/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmProcessTools.h"
#include <cmsys/Process.h>
//----------------------------------------------------------------------------
void cmProcessTools::RunProcess(struct cmsysProcess_s* cp,
OutputParser* out, OutputParser* err)
{
cmsysProcess_Execute(cp);
char* data = 0;
int length = 0;
int p;
while((out||err) && (p=cmsysProcess_WaitForData(cp, &data, &length, 0), p))
{
if(out && p == cmsysProcess_Pipe_STDOUT)
{
if(!out->Process(data, length))
{
out = 0;
}
}
else if(err && p == cmsysProcess_Pipe_STDERR)
{
if(!err->Process(data, length))
{
err = 0;
}
}
}
cmsysProcess_WaitForExit(cp, 0);
}
//----------------------------------------------------------------------------
cmProcessTools::LineParser::LineParser(char sep, bool ignoreCR):
Separator(sep), IgnoreCR(ignoreCR), Log(0), Prefix(0)
{
}
//----------------------------------------------------------------------------
void cmProcessTools::LineParser::SetLog(std::ostream* log, const char* prefix)
{
this->Log = log;
this->Prefix = prefix? prefix : "";
}
//----------------------------------------------------------------------------
bool cmProcessTools::LineParser::ProcessChunk(const char* first, int length)
{
const char* last = first + length;
for(const char* c = first; c != last; ++c)
{
if(*c == this->Separator)
{
// Log this line.
if(this->Log && this->Prefix)
{
*this->Log << this->Prefix << this->Line << "\n";
}
// Hand this line to the subclass implementation.
if(!this->ProcessLine())
{
this->Line = "";
return false;
}
this->Line = "";
}
else if(*c != '\r' || !this->IgnoreCR)
{
// Append this character to the line under construction.
this->Line.append(1, *c);
}
}
return true;
}