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84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/*=========================================================================
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Program: ParaView
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Module: pqDelimitedTextParser.h
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Copyright (c) 2005-2008 Sandia Corporation, Kitware Inc.
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All rights reserved.
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ParaView is a free software; you can redistribute it and/or modify it
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under the terms of the ParaView license version 1.2.
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See License_v1.2.txt for the full ParaView license.
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A copy of this license can be obtained by contacting
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Kitware Inc.
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28 Corporate Drive
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Clifton Park, NY 12065
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USA
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
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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,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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=========================================================================*/
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#ifndef _pqDelimitedTextParser_h
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#define _pqDelimitedTextParser_h
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#include "pqWidgetsModule.h"
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#include <QObject>
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class QIODevice;
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/**
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Parses a delimited text file (e.g. a CSV or tab-delimited file), and emits signals that represent data series from the file.
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To use it, create an instance of pqDelimitedTextParser, passing the delimiter character in the constructor.
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Then, connect the startParsing(), parseSeries(), and finishParsing() signals to slots. Call parse() with the
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filename of the file to be parsed, and the parseSeries() signal will be emitted for each series of values
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contained within the file.
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*/
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class PQWIDGETS_EXPORT pqDelimitedTextParser :
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public QObject
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{
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Q_OBJECT
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public:
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enum SeriesT
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{
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/// Data series are organized in columns
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COLUMN_SERIES
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};
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/// Initializes the parser with the delimiter that will be used to separate fields on the same line within parsed files.
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pqDelimitedTextParser(SeriesT series, char delimiter);
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/// Call this to parse a filesystem file.
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void parse(const QString& path);
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signals:
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/// Signal emitted when parsing begins.
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void startParsing();
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/// Signal that will be emitted once for each data series contained in the parsed file.
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void parseSeries(const QStringList&);
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/// Signal emitted when parsing ends.
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void finishParsing();
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private:
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const SeriesT Series;
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const char Delimiter;
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void parseColumns(QIODevice& stream);
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};
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#endif
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