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/*
* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
*
* 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; version 2 of the
* License.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#pragma once
#include "wbpublic_public_interface.h"
#include "mysql-recognition-types.h"
#include "grtdb/db_helpers.h"
#ifndef HAVE_PRECOMPILED_HEADERS
#include "grts/structs.db.mysql.h"
#endif
class MySQLRecognizer;
class MySQLSyntaxChecker;
class MySQLScanner;
class MySQLQueryIdentifier;
namespace parser {
typedef struct
{
std::string message;
size_t position;
size_t line;
size_t length;
} ParserErrorEntry;
class WBPUBLICBACKEND_PUBLIC_FUNC ParserContext {
private:
MySQLRecognizer *_recognizer;
MySQLSyntaxChecker *_syntax_checker;
GrtVersionRef _version;
bool _case_sensitive;
std::string _sql_mode;
std::set<std::string> _filtered_charsets;
void update_filtered_charsets(long version);
public:
typedef boost::shared_ptr<ParserContext> Ref;
ParserContext(GrtCharacterSetsRef charsets, GrtVersionRef version, bool case_sensitive);
~ParserContext();
MySQLRecognizer *recognizer() { return _recognizer; };
MySQLSyntaxChecker *syntax_checker() { return _syntax_checker; };
boost::shared_ptr<MySQLScanner> createScanner(const std::string &text); // The scanner uses the same version etc as the other recognizers.
boost::shared_ptr<MySQLQueryIdentifier> createQueryIdentifier();
void use_sql_mode(const std::string &mode);
std::string get_sql_mode();
void use_server_version(GrtVersionRef version);
GrtVersionRef get_server_version() { return _version; };
bool case_sensitive() { return _case_sensitive; };
std::vector<ParserErrorEntry> get_errors_with_offset(size_t offset, bool for_syntax_check);
uint32_t get_keyword_token(const std::string &keyword);
char ** get_token_name_list();
};
/**
* Defines an abstract interface for parser services. The actual implementation is done in a module
* (and hence a singleton).
*/
class WBPUBLICBACKEND_PUBLIC_FUNC MySQLParserServices
{
public:
typedef MySQLParserServices *Ref; // We only have a singleton, so define Ref only to keep the pattern.
static MySQLParserServices::Ref get(grt::GRT *grt);
static ParserContext::Ref createParserContext(GrtCharacterSetsRef charsets, GrtVersionRef version,
bool case_sensitive);
virtual size_t stopProcessing() = 0;
virtual size_t parseTable(parser::ParserContext::Ref context, db_mysql_TableRef table, const std::string &sql) = 0;
virtual size_t parseRoutine(parser::ParserContext::Ref context, db_mysql_RoutineRef routine, const std::string &sql) = 0;
virtual size_t parseRoutines(parser::ParserContext::Ref context, db_mysql_RoutineGroupRef group, const std::string &sql) = 0;
virtual size_t parseTrigger(ParserContext::Ref context, db_mysql_TriggerRef trigger, const std::string &sql) = 0;
virtual size_t parseView(parser::ParserContext::Ref context, db_mysql_ViewRef view, const std::string &sql) = 0;
virtual size_t parseSchema(parser::ParserContext::Ref context, db_mysql_SchemaRef schema, const std::string &sql) = 0;
virtual size_t parseIndex(parser::ParserContext::Ref context, db_mysql_IndexRef index, const std::string &sql) = 0;
virtual size_t parseEvent(parser::ParserContext::Ref context, db_mysql_EventRef event, const std::string &sql) = 0;
virtual size_t parseLogfileGroup(parser::ParserContext::Ref context, db_mysql_LogFileGroupRef group, const std::string &sql) = 0;
virtual size_t parseServer(parser::ParserContext::Ref context, db_mysql_ServerLinkRef server, const std::string &sql) = 0;
virtual size_t parseTablespace(parser::ParserContext::Ref context, db_mysql_TablespaceRef tablespace, const std::string &sql) = 0;
virtual size_t parseSQLIntoCatalog(parser::ParserContext::Ref context, db_mysql_CatalogRef catalog,
const std::string &sql, grt::DictRef options) = 0;
virtual size_t checkSqlSyntax(ParserContext::Ref context, const char *sql, size_t length, MySQLQueryType type) = 0;
virtual size_t renameSchemaReferences(parser::ParserContext::Ref context, db_mysql_CatalogRef catalog,
const std::string old_name, const std::string new_name) = 0;
virtual size_t determineStatementRanges(const char *sql, size_t length, const std::string &initial_delimiter,
std::vector<std::pair<size_t, size_t> > &ranges, const std::string &line_break = "\n") = 0;
virtual grt::DictRef parseStatement(ParserContext::Ref context, grt::GRT *grt, const std::string &sql) = 0;
// Query manipulation services.
virtual std::string replaceTokenSequenceWithText(parser::ParserContext::Ref context,
const std::string &sql, size_t start_token, size_t count, const std::vector<std::string> replacements) = 0;
};
} // namespace parser
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