RowFormatter strategy

Data/src/RowFormatter.cpp

@@ -0,0 +1,103 @@
+//
+// RowFormatter.cpp
+//
+// $Id: //poco/Main/Data/src/RowFormatter.cpp#1 $
+//
+// Library: Data
+// Package: DataCore
+// Module:  RowFormatter
+//
+// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "Poco/Data/RowFormatter.h"
+#include "Poco/Data/Row.h"
+#include "Poco/Exception.h"
+
+
+namespace Poco {
+namespace Data {
+
+
+#if defined(POCO_OS_FAMILY_WINDOWS)
+const std::string RowFormatter::EOL = "\r\n";
+#elif (POCO_OS == POCO_OS_MAC_OS_X)
+const std::string RowFormatter::EOL = "\r";
+#else
+const std::string RowFormatter::EOL = "\n";
+#endif
+
+
+RowFormatter::RowFormatter(Row* pRow): 
+	_pRow(pRow), 
+	_separator("\t")
+{
+}
+
+
+RowFormatter::~RowFormatter()
+{
+}
+
+
+std::string& RowFormatter::formatNames(std::string& names)
+{
+	if (!_pRow)
+		throw NullPointerException("Null row.");
+
+	Row::NameVec::const_iterator it = _pRow->names()->begin();
+	Row::NameVec::const_iterator end = _pRow->names()->end();
+	for (; it != end; ++it)
+	{
+		names.append(*it);
+		names.append(_separator);
+	}
+	names.replace(names.find_last_of(_separator), _separator.length(), EOL);
+
+	return names;
+}
+
+
+std::string& RowFormatter::formatValues(std::string& values)
+{
+	if (!_pRow)
+		throw NullPointerException("Null row.");
+
+	Row::ValueVec::const_iterator it = _pRow->values().begin();
+	Row::ValueVec::const_iterator end = _pRow->values().end();
+	for (; it != end; ++it)
+	{
+		values.append(it->convert<std::string>());
+		values.append(_separator);
+	}
+	values.replace(values.find_last_of(_separator), _separator.length(), EOL);
+
+	return values;
+}
+
+
+} } // namespace Poco::Data