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// ==========================================================================
// RABEMA Read Alignment Benchmark
// ==========================================================================
// Copyright (C) 2010-1012 Manuel Holtgrewe, FU Berlin
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ==========================================================================
// Author: Manuel Holtgrewe <manuel.holtgrewe@fu-berlin.de>
// ==========================================================================
// Comparator from samtools for queryname sorting.
// ==========================================================================
/* The MIT License
Copyright (c) 2008-2018 Genome Research Ltd (GRL).
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#ifndef SEQAN_APPS_RABEMA_SORTING_H_
#define SEQAN_APPS_RABEMA_SORTING_H_
#include <seqan/sequence.h>
// Original comparison function for strings by Heng Li from samtools.
inline int strnum_cmp(const char *a, const char *b)
{
char *pa, *pb;
pa = (char*)a; pb = (char*)b;
while (*pa && *pb) {
if (isdigit(*pa) && isdigit(*pb)) {
long ai, bi;
ai = strtol(pa, &pa, 10);
bi = strtol(pb, &pb, 10);
if (ai != bi) return ai<bi? -1 : ai>bi? 1 : 0;
} else {
if (*pa != *pb) break;
++pa; ++pb;
}
}
if (*pa == *pb)
return (pa-a) < (pb-b)? -1 : (pa-a) > (pb-b)? 1 : 0;
return *pa<*pb? -1 : *pa>*pb? 1 : 0;
}
// Wrapper for SeqAn char strings.
inline bool lessThanSamtoolsQueryName(seqan::CharString const & lhs,
seqan::CharString const & rhs)
{
return strnum_cmp(toCString(lhs), toCString(rhs)) < 0;
}
#endif // #ifndef SEQAN_APPS_RABEMA_SORTING_H_
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