blob: 04a8e09050a3406cf36852689f84c81a702627d8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* -*- 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/.
*/
#pragma once
#include <com/sun/star/embed/XStorage.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;
// primary keys of each table
std::map<OUString, std::vector<OUString>> m_PrimaryKeys;
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() const { return m_sCreateStatements; }
/**
* @return A vector of alter SQL strings in Firebird dialect.
*/
const SqlStatementVector& getAlterStatements() const { 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;
/**
* Returns a vector of column names for each table. These columns are the
* primary keys of the table.
*/
const std::map<OUString, std::vector<OUString>>& getPrimaryKeys() const;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
