CMake/Source/cmProcessTools.cxx
2016-08-24 00:29:15 +02:00

80 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>
#include <ostream>
void cmProcessTools::RunProcess(struct cmsysProcess_s* cp, OutputParser* out,
OutputParser* err)
{
cmsysProcess_Execute(cp);
char* data = CM_NULLPTR;
int length = 0;
int p;
while ((out || err) &&
(p = cmsysProcess_WaitForData(cp, &data, &length, CM_NULLPTR), p)) {
if (out && p == cmsysProcess_Pipe_STDOUT) {
if (!out->Process(data, length)) {
out = CM_NULLPTR;
}
} else if (err && p == cmsysProcess_Pipe_STDERR) {
if (!err->Process(data, length)) {
err = CM_NULLPTR;
}
}
}
cmsysProcess_WaitForExit(cp, CM_NULLPTR);
}
cmProcessTools::LineParser::LineParser(char sep, bool ignoreCR)
: Log(CM_NULLPTR)
, Prefix(CM_NULLPTR)
, 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;
}