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1 /** | 1 /** |
2 * \file database.h MSI database | 2 * \file database.h MSI database |
3 */ | 3 */ |
4 | 4 |
5 #include "database.h" | 5 #include "database.h" |
6 #include "msiquery.h" | 6 #include "msiquery.h" |
7 | 7 |
8 //------------------------------------------------------------------------------
----------- | 8 //------------------------------------------------------------------------------
----------- |
9 // Database | 9 // Database |
10 //------------------------------------------------------------------------------
----------- | 10 //------------------------------------------------------------------------------
----------- |
11 MsiHandle Database::OpenView( const wchar_t * query ) | 11 MsiHandle Database::OpenView(const wchar_t* query) |
12 { | 12 { |
13 MSIHANDLE viewHandle ; | 13 MSIHANDLE viewHandle; |
14 UINT x = MsiDatabaseOpenView( handle, query, & viewHandle ) ; | 14 UINT x = MsiDatabaseOpenView(handle, query, & viewHandle); |
15 if ( x == ERROR_BAD_QUERY_SYNTAX ) | 15 if (x == ERROR_BAD_QUERY_SYNTAX) |
16 { | 16 { |
17 throw WindowsApiError( "MsiDatabaseOpenView", "ERROR_BAD_QUERY_SYNTAX" ) ; | 17 throw WindowsApiError("MsiDatabaseOpenView", "ERROR_BAD_QUERY_SYNTAX"); |
18 } | 18 } |
19 else if ( x == ERROR_INVALID_HANDLE ) | 19 else if (x == ERROR_INVALID_HANDLE) |
20 { | 20 { |
21 throw WindowsApiError( "MsiDatabaseOpenView", "ERROR_INVALID_HANDLE" ) ; | 21 throw WindowsApiError("MsiDatabaseOpenView", "ERROR_INVALID_HANDLE"); |
22 } | 22 } |
23 return MsiHandle( viewHandle ) ; | 23 return MsiHandle(viewHandle); |
24 } | 24 } |
25 | 25 |
26 //------------------------------------------------------------------------------
----------- | 26 //------------------------------------------------------------------------------
----------- |
27 // InstallationDatabase | 27 // InstallationDatabase |
28 //------------------------------------------------------------------------------
----------- | 28 //------------------------------------------------------------------------------
----------- |
29 | 29 |
30 /** | 30 /** |
31 * Helper function for InstallationDatabase constructor. | 31 * Helper function for InstallationDatabase constructor. |
32 * | 32 * |
33 * \par Resource Allocator | 33 * \par Resource Allocator |
34 * Return value of this function, a handle, must be released in order to avoid
a resource leak. | 34 * Return value of this function, a handle, must be released in order to avoid
a resource leak. |
35 * Passing it as an argument to the Database constructor is adequate. | 35 * Passing it as an argument to the Database constructor is adequate. |
36 */ | 36 */ |
37 MsiHandle GetActiveDatabase( ImmediateSession & session ) | 37 MsiHandle GetActiveDatabase(ImmediateSession& session) |
38 { | 38 { |
39 MSIHANDLE h( MsiGetActiveDatabase( session.handle ) ) ; | 39 MSIHANDLE h(MsiGetActiveDatabase(session.handle)); |
40 if ( h == 0 ) | 40 if (h == 0) |
41 { | 41 { |
42 throw WindowsApiError( "MsiGetActiveDatabase", 0 ) ; | 42 throw WindowsApiError("MsiGetActiveDatabase", 0); |
43 } | 43 } |
44 return MsiHandle( h ) ; | 44 return MsiHandle(h); |
45 } | 45 } |
46 | 46 |
47 /** | 47 /** |
48 * \par Implementation Notes | 48 * \par Implementation Notes |
49 * The only thing this constructor needs to do is to initialize the base class
. | 49 * The only thing this constructor needs to do is to initialize the base class
. |
50 */ | 50 */ |
51 InstallationDatabase::InstallationDatabase( ImmediateSession & session ) | 51 InstallationDatabase::InstallationDatabase(ImmediateSession& session) |
52 : Database( GetActiveDatabase( session ) ) | 52 : Database(GetActiveDatabase(session)) |
53 { | 53 { |
54 // empty body | 54 // empty body |
55 } ; | 55 }; |
56 | 56 |
57 //------------------------------------------------------------------------------
----------- | 57 //------------------------------------------------------------------------------
----------- |
58 // View | 58 // View |
59 //------------------------------------------------------------------------------
----------- | 59 //------------------------------------------------------------------------------
----------- |
60 /** | 60 /** |
61 * Implementation function for View::First(). | 61 * Implementation function for View::First(). |
62 */ | 62 */ |
63 void ViewFirstBody( UINT x ) | 63 void ViewFirstBody(UINT x) |
64 { | 64 { |
65 if ( x != ERROR_SUCCESS ) | 65 if (x != ERROR_SUCCESS) |
66 { | 66 { |
67 throw WindowsApiError( "MsiViewExecute", x ) ; | 67 throw WindowsApiError("MsiViewExecute", x); |
68 } | 68 } |
69 } | 69 } |
70 | 70 |
71 Record View::First() | 71 Record View::First() |
72 { | 72 { |
73 ViewFirstBody( MsiViewExecute( handle, 0 ) ) ; | 73 ViewFirstBody(MsiViewExecute(handle, 0)); |
74 return Next() ; | 74 return Next(); |
75 } | 75 } |
76 | 76 |
77 Record View::First( Record & arguments ) | 77 Record View::First(Record& arguments) |
78 { | 78 { |
79 ViewFirstBody( MsiViewExecute( handle, arguments.handle ) ) ; | 79 ViewFirstBody(MsiViewExecute(handle, arguments.handle)); |
80 return Next() ; | 80 return Next(); |
81 } | 81 } |
82 | 82 |
83 Record View::Next() | 83 Record View::Next() |
84 { | 84 { |
85 MSIHANDLE h ; | 85 MSIHANDLE h; |
86 UINT x = MsiViewFetch( handle, & h ) ; | 86 UINT x = MsiViewFetch(handle, & h); |
87 if ( x == ERROR_NO_MORE_ITEMS ) | 87 if (x == ERROR_NO_MORE_ITEMS) |
88 { | 88 { |
89 return Record( Record::NullType() ) ; | 89 return Record(Record::NullType()); |
90 } | 90 } |
91 else if ( x == ERROR_SUCCESS ) | 91 else if (x == ERROR_SUCCESS) |
92 { | 92 { |
93 return Record( MsiHandle( h ) ) ; | 93 return Record(MsiHandle(h)); |
94 } | 94 } |
95 throw WindowsApiError( "MsiViewFetch", x ) ; | 95 throw WindowsApiError("MsiViewFetch", x); |
96 } | 96 } |
97 | 97 |
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