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116 lines
2.4 KiB
C++
116 lines
2.4 KiB
C++
//
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// RowFormatter.cpp
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//
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// $Id: //poco/Main/Data/src/RowFormatter.cpp#1 $
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//
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// Library: Data
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// Package: DataCore
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// Module: RowFormatter
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/Data/SimpleRowFormatter.h"
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#include "Poco/Exception.h"
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#include <iomanip>
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namespace Poco {
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namespace Data {
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SimpleRowFormatter::SimpleRowFormatter(std::streamsize columnWidth, std::streamsize spacing):
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_colWidth(columnWidth), _spacing(spacing), _rowCount(0)
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{
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}
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SimpleRowFormatter::SimpleRowFormatter(const SimpleRowFormatter& other):
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RowFormatter(other.prefix(), other.postfix()),
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_colWidth(other._colWidth),
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_spacing(other._spacing),
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_rowCount(0)
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{
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}
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SimpleRowFormatter::~SimpleRowFormatter()
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{
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}
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SimpleRowFormatter& SimpleRowFormatter::operator = (const SimpleRowFormatter& row)
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{
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SimpleRowFormatter tmp(row);
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swap(tmp);
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return *this;
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}
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void SimpleRowFormatter::swap(SimpleRowFormatter& other)
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{
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using std::swap;
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setPrefix(other.prefix());
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setPostfix(other.postfix());
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swap(_colWidth, other._colWidth);
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swap(_spacing, other._spacing);
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}
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std::string& SimpleRowFormatter::formatNames(const NameVecPtr pNames, std::string& formattedNames)
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{
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_rowCount = 0;
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std::ostringstream str;
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std::string line(std::string::size_type(pNames->size()*_colWidth + (pNames->size() - 1)*_spacing), '-');
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std::string space(_spacing, ' ');
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NameVec::const_iterator it = pNames->begin();
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NameVec::const_iterator end = pNames->end();
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for (; it != end; ++it)
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{
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if (it != pNames->begin()) str << space;
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str << std::left << std::setw(_colWidth) << *it;
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}
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str << std::endl << line << std::endl;
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return formattedNames = str.str();
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}
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std::string& SimpleRowFormatter::formatValues(const ValueVec& vals, std::string& formattedValues)
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{
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std::ostringstream str;
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std::string space(_spacing, ' ');
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ValueVec::const_iterator it = vals.begin();
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ValueVec::const_iterator end = vals.end();
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for (; it != end; ++it)
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{
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if (it != vals.begin()) str << space;
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if (it->isNumeric())
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{
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str << std::right
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<< std::fixed
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<< std::setprecision(2);
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}
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else str << std::left;
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if (!it->isEmpty())
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str << std::setw(_colWidth) << it->convert<std::string>();
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else
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str << std::setw(_colWidth) << "null";
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}
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str << std::endl;
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++_rowCount;
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return formattedValues = str.str();
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}
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} } // namespace Poco::Data
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