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hugin_base
hugin_utils
alphanum.h
Go to the documentation of this file.
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/*
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The Alphanum Algorithm is an improved sorting algorithm for strings
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containing numbers. Instead of sorting numbers in ASCII order like a
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standard sort, this algorithm sorts numbers in numeric order.
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The Alphanum Algorithm is discussed at http://www.DaveKoelle.com
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This implementation is Copyright (c) 2008 Dirk Jagdmann <doj@cubic.org>.
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It is a cleanroom implementation of the algorithm and not derived by
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other's works. In contrast to the versions written by Dave Koelle this
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source code is distributed with the libpng/zlib license.
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution. */
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/* $Header: /code/doj/alphanum.hpp,v 1.3 2008/01/28 23:06:47 doj Exp $
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slightly modified version, the main function is unaltered, but the
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interface definitions are changed to better suit hugins needs
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*/
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#ifndef ALPHANUM__HPP
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#define ALPHANUM__HPP
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#include <
hugin_shared.h
>
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#include <string>
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// TODO: make comparison with hexadecimal numbers. Extend the alphanum_comp() function by traits to choose between decimal and hexadecimal.
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namespace
doj
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{
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56
IMPEX
int
alphanum_comp
(
const
std::string& l,
const
std::string& r);
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IMPEX
int
alphanum_comp
(
const
char
* l,
const
char
* r);
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struct
IMPEX
alphanum_less
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{
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bool
operator()(
const
std::string& left,
const
std::string& right)
const
;
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};
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}
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#endif
doj::alphanum_comp
int alphanum_comp(const std::string &l, const std::string &r)
Compare l and r with the same semantics as strcmp(), but with the "Alphanum Algorithm" which produces...
Definition:
alphanum.cpp:119
doj::alphanum_less
Functor class to compare two objects with the "Alphanum Algorithm".
Definition:
alphanum.h:65
hugin_shared.h
IMPEX
#define IMPEX
Definition:
hugin_shared.h:39
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