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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Drizzle Execute Parser
*
* Copyright (C) 2011 Data Differential, http://datadifferential.com/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * The names of its contributors may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#pragma once
#include <config.h>
#include <cstdlib>
#include <vector>
#include <string>
#include <drizzled/error_t.h>
namespace drizzled {
namespace execute {
class Context
{
public:
Context(const char *option_string, size_t option_string_length, drizzled::error_t &rc_arg) :
scanner(NULL),
begin(NULL),
pos(0),
rc(rc_arg),
_is_server(false),
_end(false)
{
buf= option_string;
length= option_string_length;
init_scanner();
rc= EE_OK;
}
bool end() const
{
return _end;
}
std::vector<std::string> start();
void set_end()
{
rc= EE_OK;
_end= true;
}
~Context()
{
destroy_scanner();
}
void *scanner;
const char *buf;
const char *begin;
size_t pos;
size_t length;
drizzled::error_t &rc;
bool _is_server;
protected:
void init_scanner();
void destroy_scanner();
private:
bool _end;
};
} // namespace execute
} // namespace drizzled
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