Mercurial > hg > orthanc
diff Core/SQLite/FunctionContext.h @ 0:3959d33612cc
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 19 Jul 2012 14:32:22 +0200 |
parents | |
children | db4d996ea264 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/SQLite/FunctionContext.h Thu Jul 19 14:32:22 2012 +0200 @@ -0,0 +1,72 @@ +/** + * Palantir - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012 Medical Physics Department, CHU of Liege, + * Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include <boost/noncopyable.hpp> + +#include "Statement.h" + +struct sqlite3_context; +struct Mem; // This corresponds to the opaque type "sqlite3_value" + +namespace Palantir +{ + namespace SQLite + { + class FunctionContext : public boost::noncopyable + { + friend class Connection; + + private: + struct sqlite3_context* context_; + unsigned int argc_; + struct ::Mem** argv_; + + void CheckIndex(unsigned int index) const; + + public: + FunctionContext(struct sqlite3_context* context, + int argc, + struct ::Mem** argv); + + ColumnType GetColumnType(unsigned int index) const; + + unsigned int GetParameterCount() const + { + return argc_; + } + + int GetIntValue(unsigned int index) const; + + double GetDoubleValue(unsigned int index) const; + + std::string GetStringValue(unsigned int index) const; + + void SetNullResult(); + + void SetIntResult(int value); + + void SetDoubleResult(double value); + + void SetStringResult(const std::string& str); + }; + } +}