Menu

[r2117]: / trunk / Src / FirstRun.UUpdateDBase.pas  Maximize  Restore  History

Download this file

138 lines (125 with data), 4.4 kB

  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
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
{
* FirstRun.UUpdateDBase.pas
*
* Pascal script for use in [Code] Section of CodeSnip's Install.iss.
*
* Copies existing CodeSnip main and user databases from an original location
* to location required by current version of CodeSnip.
*
* $Rev$
* $Date$
*
* ***** BEGIN LICENSE BLOCK *****
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* The Original Code is FirstRun.UUpdateDBase.pas, formerly UpdateDBase.ps.
*
* The Initial Developer of the Original Code is Peter Johnson
* (http://www.delphidabbler.com/).
*
* Portions created by the Initial Developer are Copyright (C) 2008-2012 Peter
* Johnson. All Rights Reserved.
*
* Contributors:
* NONE
*
* ***** END LICENSE BLOCK *****
}
unit FirstRun.UUpdateDBase;
interface
// Copies both main and (where it exists) user databases from location they are
// in on installation identified by PrevInstallID to correct location for
// directory being installed.
procedure CopyDatabases(PrevInstallID: Integer);
// Checks if main database is installed in correct install directory for
// current version of program.
function MainDatabaseExists: Boolean;
implementation
uses
SysUtils, Classes,
FirstRun.UDataLocations, UUtils;
// TODO: NOTE inserted from snippets database
procedure CopyFile(const Source, Dest: string);
var
SourceStream, DestStream: Classes.TFileStream; // source and dest file streams
begin
DestStream := nil;
// Open source and dest file streams
SourceStream := Classes.TFileStream.Create(
Source, SysUtils.fmOpenRead or SysUtils.fmShareDenyWrite
);
try
DestStream := Classes.TFileStream.Create(
Dest, Classes.fmCreate or SysUtils.fmShareExclusive
);
// Copy file from source to dest
DestStream.CopyFrom(SourceStream, SourceStream.Size);
// Set dest file's modification date to same as source file
SysUtils.FileSetDate(
DestStream.Handle, SysUtils.FileGetDate(SourceStream.Handle)
);
finally
// Close files
DestStream.Free;
SourceStream.Free;
end;
end;
// Copies all files from one directory for another. Does nothing if SourceDir
// doesn't exist or if both directories are the same. If DestDir does not exist
// it is created.
procedure CopyDirectory(SourceDir, DestDir: string);
var
SourcePath: string;
DestPath: string;
FindRec: TSearchRec;
begin
if CompareText(SourceDir, DestDir) = 0 then
Exit;
if not IsDirectory(SourceDir) then
Exit;
if not IsDirectory(DestDir) then
ForceDirectories(DestDir);
SourcePath := IncludeTrailingPathDelimiter(SourceDir);
DestPath := IncludeTrailingPathDelimiter(DestDir);
if FindFirst(SourcePath + '*', faAnyFile, FindRec) = 0 then
begin
repeat
if (FindRec.Attr and faDirectory) = 0 then
begin
CopyFile(SourcePath + FindRec.Name, DestPath + FindRec.Name);
end;
until not FindNext(FindRec) <> 0;
FindClose(FindRec);
end;
end;
// Copies both main and (where it exists) user databases from location they are
// in on installation identified by PrevInstallID to correct location for
// directory being installed.
procedure CopyDatabases(PrevInstallID: Integer);
var
OldMainDatabase: string;
OldUserDatabase: string;
begin
OldMainDatabase := gMainDatabaseDirs[PrevInstallID];
if OldMainDatabase <> '' then
CopyDirectory(OldMainDatabase, gMainDatabaseDirs[piCurrent]);
OldUserDatabase := gUserDatabaseDirs[PrevInstallID];
if OldUserDatabase <> '' then
CopyDirectory(OldUserDatabase, gUserDatabaseDirs[piCurrent]);
end;
// Checks if main database is installed in correct install directory for
// current version of program.
function MainDatabaseExists: Boolean;
begin
Result := FileExists(gMainDatabaseDirs[piCurrent] + '\categories.ini');
end;
end.
Want the latest updates on software, tech news, and AI?
Get latest updates about software, tech news, and AI from SourceForge directly in your inbox once a month.