CMake/Source/cmProcessTools.cxx

87 lines
2.2 KiB
C++

/*============================================================================
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.
============================================================================*/
#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):
Log(0), Prefix(0), Separator(sep), LineEnd('\0'), IgnoreCR(ignoreCR)
{
}
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 || *c == '\0')
{
this->LineEnd = *c;
// 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;
}