A scripted SQL query generation framework with IDE: SQLpp (v1.4)

#ifndef SQLPP_EXPRESSIONS_CASE_EXPRESSION_HPP
#define SQLPP_EXPRESSIONS_CASE_EXPRESSION_HPP

#include <sqlpp/config.hpp>
#include <sqlpp/expressions/expression.hpp>
#include <sqlpp/expressions/boolean_expression.hpp>

namespace sqlpp{
namespace expressions{

class simple_case_expression :
	public expression,
	public boost::enable_shared_from_this< simple_case_expression >
{
public:
	typedef std::pair< expression_shared_ptr, expression_shared_ptr > when_result_pair_type;
	typedef std::vector< when_result_pair_type > when_result_container_type;

	explicit simple_case_expression(
		expression_shared_ptr input_expression_
		);

	boost::shared_ptr< simple_case_expression > when(
		expression_shared_ptr when_expression_,
		expression_shared_ptr result_expression_
		);
	boost::shared_ptr< simple_case_expression > else_( expression_shared_ptr else_expression_);
	virtual std::ostream& get_expression( std::ostream& out_, adaptors::database_adaptor_shared_ptr adaptor_ ) const;
private:
	expression_shared_ptr m_input_expression;
	expression_shared_ptr m_else_expression;
	when_result_container_type m_when_results;
};
typedef boost::shared_ptr< simple_case_expression > simple_case_expression_shared_ptr;

simple_case_expression_shared_ptr case_(
	expression_shared_ptr input_expression_
	);

class searched_case_expression :
	public expression,
	public boost::enable_shared_from_this< searched_case_expression >
{
public:
	typedef std::pair< boolean_expression_shared_ptr, expression_shared_ptr > when_result_pair_type;
	typedef std::vector< when_result_pair_type > when_result_container_type;

	explicit searched_case_expression();

	boost::shared_ptr< searched_case_expression > when(
		boolean_expression_shared_ptr when_expression_,
		expression_shared_ptr result_expression_
		);
	boost::shared_ptr< searched_case_expression > else_( expression_shared_ptr else_expression_);
	virtual std::ostream& get_expression( std::ostream& out_, adaptors::database_adaptor_shared_ptr adaptor_) const;
private:
	expression_shared_ptr m_else_expression;
	when_result_container_type m_when_results;
};
typedef boost::shared_ptr< searched_case_expression > searched_case_expression_shared_ptr;

searched_case_expression_shared_ptr case_();

}; // expressions
};//sqlpp

#endif