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114 lines (83 loc) · 3.04 KB
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// file2hash.cpp
/*===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
* Author: Vyacheslav Brover
*
* File Description:
* Print file hash class
*
*/
#undef NDEBUG
#include "common.hpp"
using namespace Common_sp;
#include "version.inc"
#include "common.inc"
namespace
{
bool large_hash = false;
void process (const string &name,
bool append)
{
cout << str2hash_class (name, large_hash);
if (append)
cout << '\t' << name;
cout << endl;
}
struct ThisApplication : Application
{
ThisApplication ()
: Application ("Print file hash class 0.." + to_string (small_hash_class_max - 1) + " for small hashes or 0.."
+ to_string (large_hash_class_max - 1) + " for large hashes")
{
version = VERSION;
addPositional ("name", "File name");
addFlag ("file", "<file> is a file with names");
addFlag ("append", "Append the file name");
addFlag ("large_hash", "Large hash class");
}
void body () const final
{
const string name = getArg ("name");
const bool isFile = getFlag ("file");
const bool append = getFlag ("append");
large_hash = getFlag ("large_hash");
if (isFile)
{
LineInput f (name);
while (f. nextLine ())
if (! strBlank (f. line))
process (f. line, append);
}
else
process (name, append);
}
};
} // namespace
int main (int argc,
const char* argv[])
{
ThisApplication app;
return app. run (argc, argv);
}