Initial import from SVN

database/SqlQuery.cpp

@@ -0,0 +1,144 @@
+#include <algorithm>
+
+#include <boost/foreach.hpp>
+
+#include <sstream>
+#include <stdexcept>
+
+#include "SqlQuery.hpp"
+
+WhereClause&
+WhereClause::And(const WhereClause& otherClause)
+{
+	if (!otherClause._clause.empty()) {
+		if (!_clause.empty())
+			_clause += " AND ";
+		_clause += "(" + otherClause._clause + ")";
+
+		// Add associated bind args
+		BOOST_FOREACH(const std::string& otherBindArg, otherClause._bindArgs) {
+			_bindArgs.push_back(otherBindArg);
+		}
+	}
+	return *this;
+}
+
+WhereClause&
+WhereClause::Or(const WhereClause& otherClause)
+{
+	if (!otherClause._clause.empty()) {
+		if (!_clause.empty())
+			_clause += " OR ";
+		_clause += "(" + otherClause._clause + ")";
+
+		// Add associated bind args
+		BOOST_FOREACH(const std::string& otherBindArg, otherClause._bindArgs) {
+			_bindArgs.push_back(otherBindArg);
+		}
+	}
+	return *this;
+}
+
+std::string
+WhereClause::get(void) const
+{
+	if (!_clause.empty())
+		return "WHERE " + _clause;
+	else
+		return "";
+}
+
+WhereClause&
+WhereClause::bind(const std::string& bindArg)
+{
+	if (_bindArgs.size() >= static_cast<std::size_t>( std::count(_clause.begin(), _clause.end(), '?') ))
+		throw std::runtime_error("Too many bind args!");
+
+	_bindArgs.push_back(bindArg);
+
+	return *this;
+}
+
+
+SelectStatement&
+SelectStatement::And(const SelectStatement& statement)
+{
+	if( _statement.empty() && !statement._statement.empty())
+		_statement = "SELECT ";
+	else if (!_statement.empty() && !statement._statement.empty())
+		_statement += ",";
+
+	_statement += statement._statement;
+	return *this;
+}
+
+FromClause::FromClause(const std::string& clause)
+{
+	_clause.push_back(clause);
+}
+
+
+GroupByStatement&
+GroupByStatement::And(const GroupByStatement& statement)
+{
+	if( _statement.empty() && !statement._statement.empty())
+		_statement = "GROUP BY ";
+	else if (!_statement.empty() && !statement._statement.empty())
+		_statement += ",";
+
+	_statement += statement._statement;
+	return *this;
+}
+
+
+FromClause&
+FromClause::And(const FromClause& clause)
+{
+	BOOST_FOREACH(const std::string fromClause, clause._clause) {
+		_clause.push_back(fromClause);
+	}
+
+	_clause.sort();
+	_clause.unique();
+
+	return *this;
+}
+
+std::string
+FromClause::get() const
+{
+	std::ostringstream oss;
+
+	if (!_clause.empty())
+	{
+		oss << "FROM ";
+		for (std::list<std::string>::const_iterator it = _clause.begin(); it != _clause.end(); ++it) {
+			if (it != _clause.begin())
+				oss << ",";
+
+			oss << *it;
+		}
+	}
+
+	return oss.str();
+}
+
+std::string
+SqlQuery::get(void) const
+{
+	std::ostringstream oss;
+
+	oss << _selectStatement.get();
+
+	if (!_fromClause.get().empty())
+		oss << " " << _fromClause.get();
+
+	if (!_whereClause.get().empty())
+		oss << " " << _whereClause.get();
+
+	if (!_groupByStatement.get().empty())
+		oss << " " << _groupByStatement.get();
+
+	return oss.str();
+}
+