Support for XISF
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// ____ ______ __
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// / __ \ / ____// /
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// / /_/ // / / /
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// / ____// /___ / /___ PixInsight Class Library
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// /_/ \____//_____/ PCL 2.4.23
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// ----------------------------------------------------------------------------
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// pcl/KeyValue.h - Released 2022-03-12T18:59:29Z
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// ----------------------------------------------------------------------------
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// This file is part of the PixInsight Class Library (PCL).
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// PCL is a multiplatform C++ framework for development of PixInsight modules.
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//
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// Copyright (c) 2003-2022 Pleiades Astrophoto S.L. All Rights Reserved.
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//
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// Redistribution and use in both source and binary forms, with or without
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// modification, is permitted provided that the following conditions are met:
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//
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// 1. All redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. All redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
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// of their contributors, may be used to endorse or promote products derived
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// from this software without specific prior written permission. For written
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// permission, please contact info@pixinsight.com.
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//
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// 4. All products derived from this software, in any form whatsoever, must
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// reproduce the following acknowledgment in the end-user documentation
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// and/or other materials provided with the product:
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//
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// "This product is based on software from the PixInsight project, developed
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// by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
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//
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// Alternatively, if that is where third-party acknowledgments normally
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// appear, this acknowledgment must be reproduced in the product itself.
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//
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// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
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// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
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// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// ----------------------------------------------------------------------------
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#ifndef __PCL_KeyValue_h
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#define __PCL_KeyValue_h
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/// \file pcl/KeyValue.h
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#include <pcl/Defs.h>
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#include <pcl/String.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \class KeyValue
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* \brief Generic key-value association.
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*/
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template <typename T1, typename T2>
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class PCL_CLASS KeyValue
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{
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public:
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T1 key; //!< The key member of this key-value association
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T2 value; //!< The value member of this key-value association
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/*!
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* Constructs a key-value association with default key and value members.
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*/
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KeyValue()
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: key()
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, value()
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{
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}
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/*!
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* Constructs a key-value association with the specified key and value.
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*/
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KeyValue( const T1& k, const T2& v )
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: key( k )
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, value( v )
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{
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}
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/*!
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* Constructs a key-value association with the specified key and a
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* default-constructed value.
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*/
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KeyValue( const T1& k )
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: key( k )
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, value()
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{
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}
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/*!
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* Copy constructor.
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*/
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KeyValue( const KeyValue& ) = default;
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/*!
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* Move constructor.
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*/
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KeyValue( KeyValue&& ) = default;
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/*!
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* Copy assignment operator. Returns a reference to this object.
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*/
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KeyValue& operator =( const KeyValue& ) = default;
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/*!
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* Move assignment operator. Returns a reference to this object.
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*/
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KeyValue& operator =( KeyValue&& ) = default;
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/*!
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* Returns true iff this key-value association is equal to another object
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* \a x. key-value associations are equal if their respective key and value
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* members are equal.
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*/
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bool operator ==( const KeyValue& x ) const
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{
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return key == x.key && value == x.value;
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}
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/*!
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* Returns true iff this key-value association precedes another object \a x.
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* In key-value comparisons, key members have precedence over value members.
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* The comparison algorithm is as follows:
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*
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* \code
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* if ( this->key != x.key )
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* return this->key < x.key;
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* else
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* return this->value < x.value;
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* \endcode
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*
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* The implementation of this operator only requires <em>less than</em>
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* semantics for the two types T1 and T2; it doesn't use equality operators.
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*/
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bool operator <( const KeyValue& x ) const
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{
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return (key < x.key) ? true : ((x.key < key) ? false : value < x.value);
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}
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};
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// ----------------------------------------------------------------------------
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/*!
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* \defgroup string_key_value_associations String Key-Value Associations
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*/
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/*!
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* \class pcl::StringKeyValue
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* \ingroup string_key_value_associations
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* \brief Key-value association of two Unicode (UTF-16) strings.
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*/
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typedef KeyValue<String, String> StringKeyValue;
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/*!
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* \class pcl::IsoStringKeyValue
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* \ingroup string_key_value_associations
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* \brief Key-value association of two 8-bit strings.
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*/
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typedef KeyValue<IsoString, IsoString> IsoStringKeyValue;
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// ----------------------------------------------------------------------------
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} // pcl
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#endif // __PCL_KeyValue_h
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// ----------------------------------------------------------------------------
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// EOF pcl/KeyValue.h - Released 2022-03-12T18:59:29Z
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