Column.cpp

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/**
 * @file  Column.cpp
 * @brief Encapsulation of a Column in a row of the result pointed by the prepared SQLite::Statement.
 *
 * Copyright (c) 2012-2013 Sebastien Rombauts (sebastien.rombauts@gmail.com)
 *
 * Distributed under the MIT License (MIT) (See accompanying file LICENSE.txt
 * or copy at http://opensource.org/licenses/MIT)
 */
#include "Column.h"

#include <iostream>

namespace SQLite
{

// Encapsulation of a Column in a row of the result pointed by the prepared Statement.
Column::Column(Statement::Ptr& aStmtPtr, int aIndex) throw() : // nothrow
    mStmtPtr    (aStmtPtr),
    mIndex      (aIndex)
{
}

// Finalize and unregister the SQL query from the SQLite Database Connection.
Column::~Column(void) throw() // nothrow
{
    // the finalization will be done by the destructor of the last shared pointer
}

// Return the integer value of the column specified by its index starting at 0
int Column::getInt(void) const throw() // nothrow
{
    return sqlite3_column_int(mStmtPtr, mIndex);
}

// Return the 64bits integer value of the column specified by its index starting at 0
sqlite3_int64 Column::getInt64(void) const throw() // nothrow
{
    return sqlite3_column_int64(mStmtPtr, mIndex);
}

// Return the double value of the column specified by its index starting at 0
double Column::getDouble(void) const throw() // nothrow
{
    return sqlite3_column_double(mStmtPtr, mIndex);
}

// Return a pointer to the text value (NULL terminated string) of the column specified by its index starting at 0
const char* Column::getText(void) const throw() // nothrow
{
    return (const char*)sqlite3_column_text(mStmtPtr, mIndex);
}

// Return a pointer to the text value (NULL terminated string) of the column specified by its index starting at 0
const void* Column::getBlob(void) const throw() // nothrow
{
    return sqlite3_column_blob(mStmtPtr, mIndex);
}

// Return the type of the value of the column
int Column::getType(void) const throw() // nothrow
{
    return sqlite3_column_type(mStmtPtr, mIndex);
}

// Return the number of bytes used by the text value of the column
int Column::getBytes(void) const throw() // nothrow
{
    return sqlite3_column_bytes(mStmtPtr, mIndex);
}


// Standard std::ostream inserter
std::ostream& operator<<(std::ostream& aStream, const Column& aColumn)
{
    aStream << aColumn.getText();
    return aStream;
}

}  // namespace SQLite