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125 lines
4.1 KiB
C++
125 lines
4.1 KiB
C++
/***************************************************************************
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* Copyright (C) gempa GmbH *
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* All rights reserved. *
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* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
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* *
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* GNU Affero General Public License Usage *
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* This file may be used under the terms of the GNU Affero *
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* Public License version 3.0 as published by the Free Software Foundation *
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* and appearing in the file LICENSE included in the packaging of this *
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* file. Please review the following information to ensure the GNU Affero *
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* Public License version 3.0 requirements will be met: *
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* https://www.gnu.org/licenses/agpl-3.0.html. *
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* *
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* Other Usage *
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* Alternatively, this file may be used in accordance with the terms and *
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* conditions contained in a signed written agreement between you and *
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* gempa GmbH. *
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***************************************************************************/
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#ifndef SEISCOMP_IO_RECORDINPUT_H
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#define SEISCOMP_IO_RECORDINPUT_H
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#include <iterator>
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#include <seiscomp/core.h>
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#include <seiscomp/io/recordstream.h>
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namespace Seiscomp {
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namespace IO {
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class RecordInput;
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class SC_SYSTEM_CORE_API RecordIterator : public std::iterator<std::input_iterator_tag, Record *> {
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// ------------------------------------------------------------------
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// Xstruction
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// ------------------------------------------------------------------
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public:
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//! C'tor
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RecordIterator();
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//! Copy c'tor
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RecordIterator(const RecordIterator &iter);
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//! D'tor
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~RecordIterator();
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// ------------------------------------------------------------------
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// Operators
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// ------------------------------------------------------------------
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public:
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RecordIterator &operator=(const RecordIterator &iter);
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Record *operator*();
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RecordIterator &operator++();
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RecordIterator operator++(int);
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bool operator!=(const RecordIterator &iter) const;
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bool operator==(const RecordIterator &iter) const;
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// ------------------------------------------------------------------
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// Interface
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// ------------------------------------------------------------------
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public:
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/**
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* Returns the source used by the iterator
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* @return A RecordInput pointer which must not be deleted
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* by the caller!
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*/
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RecordInput *source() const;
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/**
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* Returns the current record read from the input stream.
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* The record pointer is a raw pointer and has to be managed
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* by the caller.
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* @return The raw record pointer.
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*/
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Record *current() const;
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// ------------------------------------------------------------------
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// Implementation
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// ------------------------------------------------------------------
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private:
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RecordIterator(RecordInput *from, Record *cur);
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RecordInput *_source;
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Record *_current;
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friend class RecordInput;
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};
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DEFINE_SMARTPOINTER(RecordInput);
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class SC_SYSTEM_CORE_API RecordInput : public Seiscomp::Core::BaseObject {
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// ------------------------------------------------------------------
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// Xstruction
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// ------------------------------------------------------------------
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public:
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RecordInput(RecordStream *in,
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Array::DataType dt = Array::DOUBLE,
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Record::Hint h = Record::SAVE_RAW);
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// ------------------------------------------------------------------
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// Iteration
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// ------------------------------------------------------------------
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public:
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RecordIterator begin();
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RecordIterator end();
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Record *next();
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// ------------------------------------------------------------------
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// Implementation
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// ------------------------------------------------------------------
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private:
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RecordStream *_in;
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};
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}
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}
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#endif
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