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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_DBACCESS_SOURCE_FILTER_HSQLDB_PARSECHEMA_HXX
#define INCLUDED_DBACCESS_SOURCE_FILTER_HSQLDB_PARSECHEMA_HXX
#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/sdbc/XConnection.hpp>
#include <vector>
#include <map>
#include "columndef.hxx"
namespace dbahsql
{
using SqlStatementVector = std::vector<OUString>;
class SchemaParser
{
private:
css::uno::Reference<css::embed::XStorage>& m_rStorage;
// column type for each table. It is filled after parsing schema.
std::map<OUString, std::vector<ColumnDefinition>> m_ColumnTypes;
// root element's position of data for each table
std::map<OUString, std::vector<sal_Int32>> m_Indexes;
SqlStatementVector m_sCreateStatements;
SqlStatementVector m_sAlterStatements;
public:
explicit SchemaParser(css::uno::Reference<css::embed::XStorage>& rStorage);
/**
* Parses table definitions contained by a file called "script" in storage.
*/
void parseSchema();
/**
* @return A vector of schema definition SQL strings in Firebird dialect.
*/
const SqlStatementVector& getCreateStatements() { return m_sCreateStatements; }
/**
* @return A vector of alter SQL strings in Firebird dialect.
*/
const SqlStatementVector& getAlterStatements() { return m_sAlterStatements; }
/**
* Returns the column types of a table. It should not be called before
* calling parseSchema().
*
* @param sTableName name of the table.
*
* @return A vector of column descriptors.
*/
std::vector<ColumnDefinition> getTableColumnTypes(const OUString& sTableName) const;
/**
* Returns a vector of indexes for each table. These indexes are used for
* locating the data related to the actual table in the binary file.
*
* The indexes point to root elements of AVL trees. Each node of the tree
* contains one row.
*/
const std::map<OUString, std::vector<sal_Int32>>& getTableIndexes() const;
};
}
#endif // INCLUDED_DBACCESS_SOURCE_FILTER_HSQLDB_PARSESCHEMA_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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