Robin Davies
102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
// Copyright (c) 2022 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "StdErrorCapture.hpp"
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#include <cstdio>
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#include <unistd.h>
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#include <fcntl.h>
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#include <filesystem>
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#include <sstream>
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#include <fstream>
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#include <sys/stat.h>
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#ifdef __WIN32__
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#define dup _dup
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#define dup2 _dup2
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#endif
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using namespace pipedal;
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constexpr int STDOUT_HANDLE = 2;
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StdErrorCapture::StdErrorCapture()
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{
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char filename[] = "/tmp/pipedal.XXXXXX";
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int redirectHandle = mkstemp(filename);
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this->tempFileName = filename;
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this->oldStdout = dup(STDOUT_HANDLE);
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dup2(redirectHandle,STDOUT_HANDLE);
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close(redirectHandle);
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}
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StdErrorCapture::~StdErrorCapture()
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{
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EndCapture();
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if (tempFileName.length() != 0)
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{
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remove(tempFileName.c_str());
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}
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}
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void StdErrorCapture::EndCapture()
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{
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if (this->oldStdout != -1)
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{
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dup2(this->oldStdout,STDOUT_HANDLE);
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close(this->oldStdout);
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this->oldStdout = -1;
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std::ignore = chmod(this->tempFileName.c_str(),0644);
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}
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}
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std::vector<std::string> StdErrorCapture::GetOutputLines() {
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EndCapture();
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std::vector<std::string> result;
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std::ifstream f(this->tempFileName);
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if (f.is_open())
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{
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char buffer[1024];
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std::string line;
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while (true)
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{
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if (f.eof())
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{
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break;
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}
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std::getline(f,line);
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if (f.fail()) break;
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if (line.length() != 0)
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{
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result.push_back(line);
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}
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}
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}
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return result;
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}
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