本文整理汇总了C++中FileStream::Get方法的典型用法代码示例。如果您正苦于以下问题：C++ FileStream::Get方法的具体用法？C++ FileStream::Get怎么用？C++ FileStream::Get使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FileStream的用法示例。
在下文中一共展示了FileStream::Get方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: stdoutStream
bool
Process::Run (/*[in]*/ const PathName & fileName,
/*[in]*/ const char * lpszArguments,
/*[out]*/ IRunProcessCallback * pCallback,
/*[out]*/ int * pExitCode,
/*[in]*/ const char * lpszWorkingDirectory)
{
MIKTEX_ASSERT_STRING_OR_NIL (lpszArguments);
MIKTEX_ASSERT_STRING_OR_NIL (lpszWorkingDirectory);
ProcessStartInfo startinfo;
startinfo.FileName = fileName.Get();
if (lpszArguments != 0)
{
startinfo.Arguments = lpszArguments;
}
startinfo.StandardInput = 0;
startinfo.RedirectStandardInput = false;
startinfo.RedirectStandardOutput = (pCallback != 0);
startinfo.RedirectStandardError = false;
if (lpszWorkingDirectory != 0)
{
startinfo.WorkingDirectory = lpszWorkingDirectory;
}
auto_ptr<Process> pProcess (Process::Start(startinfo));
if (pCallback != 0)
{
SessionImpl::GetSession()->trace_process->WriteLine
("core",
T_("start reading the pipe"));
const size_t CHUNK_SIZE = 64;
char buf[ CHUNK_SIZE ];
bool cancelled = false;
FileStream stdoutStream (pProcess->get_StandardOutput());
size_t total = 0;
while (! cancelled && feof(stdoutStream.Get()) == 0)
{
size_t n = fread(buf, 1, CHUNK_SIZE, stdoutStream.Get());
int err = ferror(stdoutStream.Get());
if (err != 0 && err != EPIPE)
{
FATAL_CRT_ERROR ("fread", 0);
}
// pass output to caller
total += n;
cancelled = ! pCallback->OnProcessOutput(buf, n);
}
SessionImpl::GetSession()->trace_process->WriteFormattedLine
("core",
T_("read %u bytes from the pipe"),
static_cast<unsigned>(total));
}
// wait for the process to finish
pProcess->WaitForExit ();
// get the exit code & close process
int exitCode = pProcess->get_ExitCode();
pProcess->Close ();
if (pExitCode != 0)
{
*pExitCode = exitCode;
return (true);
}
else if (exitCode == 0)
{
return (true);
}
else
{
TraceError (T_("%s returned %d"),
Q_(fileName),
static_cast<int>(exitCode));
return (false);
}
}