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#include "scanner.ih"
/*
Since the Scanner's destruction is also the termination of the program, no
explicit destruction of the newly created objects is necessary. A pointer is
used to prevent the construction of a constant object. As the constructor
itself would create a constant object, the construction *new...
is used.
*/
Scanner::Scanner(ConfigSorter &sorter, Reporter &reporter)
:
d_sorter(sorter),
d_reporter(reporter), // ostream
d_firstWord(*new Pattern("(\\S+)(\\s+(.*))?")),// firstword ([1]) and
// the rest ([3]) of a text
d_sshFork
(
Process::CIN | Process::COUT | Process::IGNORE_CERR,
d_sorter["SSH"]
), // child: ignores stderr, reads
d_shFork
(
Process::CIN | Process::COUT | Process::IGNORE_CERR,
d_sorter["SH"]
), // from stdin/stdout
// parent process communicates
// via the Fork object's
// stream interface.
d_nScans(0),
d_maxSize(10 * 1024 * 1024),
d_maxSizeStr("10M"),
d_quit(false)
{
setSentinel();
if (Arg::instance().option(&d_maxSizeStr, "max-size"))
{
d_maxSize = A2x(d_maxSizeStr);
switch(d_maxSizeStr.find_first_not_of("0123456789"))
{
case 'G':
case 'g':
d_maxSize *= 1024;
// FALLING THRU
case 'M':
case 'm':
d_maxSize *= 1024;
// FALLING THRU
case 'K':
case 'k':
d_maxSize *= 1024;
// FALLING THRU
case string::npos: // size as-is
case 'b':
case 'B':
reporter << " MaxSize = " << d_maxSizeStr << endl;
break;
default:
d_reporter.exit() <<
"Error in --max-size option specification: " <<
d_maxSizeStr << endl;
}
}
}
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