119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
/// \file field_names.h
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/// \brief Declares a class to hold a list of field names.
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/***********************************************************************
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Copyright (c) 1998 by Kevin Atkinson, (c) 1999-2001 by MySQL AB, and
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(c) 2004-2008 by Educational Technology Resources, Inc. Others may
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also hold copyrights on code in this file. See the CREDITS.txt file
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in the top directory of the distribution for details.
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This file is part of MySQL++.
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MySQL++ is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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MySQL++ is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with MySQL++; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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USA
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***********************************************************************/
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#ifndef MYSQLPP_FIELD_NAMES_H
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#define MYSQLPP_FIELD_NAMES_H
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#include <string>
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#include <vector>
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namespace mysqlpp {
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#if !defined(DOXYGEN_IGNORE)
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// Make Doxygen ignore this
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class MYSQLPP_EXPORT ResultBase;
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#endif
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/// \brief Holds a list of SQL field names
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class FieldNames : public std::vector<std::string>
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{
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public:
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/// \brief Default constructor
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FieldNames() { }
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/// \brief Copy constructor
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FieldNames(const FieldNames& other) :
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std::vector<std::string>()
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{
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assign(other.begin(), other.end());
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}
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/// \brief Create field name list from a result set
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FieldNames(const ResultBase* res) :
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std::vector<std::string>()
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{
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init(res);
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}
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/// \brief Create empty field name list, reserving space for
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/// a fixed number of field names.
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FieldNames(int i) :
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std::vector<std::string>(i)
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{
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}
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/// \brief Initializes the field list from a result set
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FieldNames& operator =(const ResultBase* res)
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{
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init(res);
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return *this;
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}
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/// \brief Insert \c i empty field names at beginning of list
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FieldNames& operator =(int i)
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{
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insert(begin(), i, "");
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return *this;
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}
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/// \brief Get the name of a field given its index.
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std::string& operator [](int i)
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{
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return at(i);
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}
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/// \brief Get the name of a field given its index, in const
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/// context.
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const std::string& operator [](int i) const
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{
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return at(i);
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}
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/// \brief Get the name of a field given its index.
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std::string& operator [](size_type i)
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{
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return at(i);
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}
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/// \brief Get the name of a field given its index, in const
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/// context.
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const std::string& operator [](size_type i) const
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{
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return at(i);
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}
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/// \brief Get the index number of a field given its name
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unsigned int operator [](const std::string& s) const;
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private:
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void init(const ResultBase* res);
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};
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} // end namespace mysqlpp
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#endif
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