private SqlSelect AddSelect(Token[] tokens, ref int i, SqlQuery parent)
{
var section = new SqlSelect(parent);
section.Sections.Add(new SqlSection(section, new SqlToken(true, tokens[i])));
parent.Sections.Add(section);
for (i++; i < tokens.Length; i++)
{
if (IsMatch(tokens, i, "FROM"))
{
AddFrom(tokens, ref i, parent);
break;
}
else if (tokens[i].Type == TokenType.StartParenthesis)
{
if (IsMatch(tokens, i + 1, "SELECT"))
{
var query = new SqlQuery(section);
AddTokenSection(query, tokens[i]);
i++;
AddSelect(tokens, ref i, query);
section.Sections.Add(query);
}
else
{
AddParenthesisGroup(tokens, ref i, section);
continue;
}
}
else if (tokens[i].Type == TokenType.EndOfQuery || tokens[i].Type == TokenType.EndParenthesis)
{
AddTokenSection(parent, tokens[i]);
break;
}
else if (IsQueryStart(tokens[i]))
{
i--;
break;
}
AddTokenSection(section, tokens[i]);
}
return(section);
}
private SqlSelect AddSelect(Token[] tokens, ref int i, SqlQuery parent)
{
var section = new SqlSelect(parent);
section.Sections.Add(new SqlSection(section, new SqlToken(true, tokens[i])));
parent.Sections.Add(section);
for (i++; i < tokens.Length; i++)
{
if (IsMatch(tokens, i, "FROM"))
{
AddFrom(tokens, ref i, parent);
break;
}
else if (tokens[i].Type == TokenType.StartParenthesis)
{
if (IsMatch(tokens, i + 1, "SELECT"))
{
var query = new SqlQuery(section);
AddTokenSection(query, tokens[i]);
i++;
AddSelect(tokens, ref i, query);
section.Sections.Add(query);
}
else
{
AddParenthesisGroup(tokens, ref i, section);
continue;
}
}
else if (tokens[i].Type == TokenType.EndOfQuery || tokens[i].Type == TokenType.EndParenthesis)
{
AddTokenSection(parent, tokens[i]);
break;
}
else if (IsQueryStart(tokens[i]))
{
i--;
break;
}
AddTokenSection(section, tokens[i]);
}
return section;
}
