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uRegistry.pas
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uRegistry.pas
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{*******************************************************}
{ }
{ 02/2008 MaxiDonkey Library }
{ }
{*******************************************************}
unit uRegistry;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Classes, Vcl.Forms, System.win.Registry,
Vcl.Dialogs;
procedure KeyCreate(AKey: string);
procedure KeyRead(AKey: string; KeyName: string; var Value: string); overload;
procedure KeyRead(AKey: string; KeyName: string; Default: string; var Value: string); overload;
procedure KeyWrite(AKey: string; KeyName: string; Value: string); overload;
procedure KeyWrite(AKey: string; KeyName: string; Value: Double); overload;
procedure KeyWrite(AKey: string; KeyName: string; Value: Integer); overload;
procedure KeyWrite(AKey: string; KeyName: string; Value: Boolean); overload;
function KeyReadInt(AKey: string; KeyName: string; Default: Integer = 0):Integer;
function KeyReadFloat(AKey: string; KeyName: string; Default: Double = 0.0):Double;
function KeyReadBoolean(AKey: string; KeyName: string; Default: Boolean = False):Boolean;
function KeyReadString(AKey: string; KeyName: string; Default: string = ''):string;
procedure KeyDeleteValue(AKey: string; KeyName: string);
var
AppKey : string;
ParamKey : string;
IniKey : string;
BufferKey : string;
implementation
uses
StrCopyUtils;
function GetExeName:string;
{in uDos}
begin
with Application do Result := GetBeforStr( ExtractFileName( ExeName ), '.' )
end;
function GetExeDir:string;
{in uDos}
begin
with Application do Result := ExtractFileDir( ExeName )
end;
procedure Initialize;
{Registry keys initialize}
begin
AppKey := Format('Software\%s', [ GetExeName ]);
ParamKey := Format('%s\%s', [ AppKey, 'Params' ]);
IniKey := Format('%s\%s', [ AppKey, 'Ini' ]);
BufferKey := Format('%s\%s', [ AppKey, 'Buffer' ]);
KeyCreate( AppKey );
KeyCreate( ParamKey );
KeyCreate( IniKey );
KeyCreate( BufferKey );
end;
{REGISTRY}
function RKeyExists(AKey: string):Boolean;
begin
with TRegistry.Create do
try
RootKey := HKEY_CURRENT_USER;
Result := KeyExists( AKey );
finally
Free;
end;
end;
procedure KeyCreate(AKey: string);
begin
if not RKeyExists(AKey) then
with TRegistry.Create do
try
RootKey := HKEY_CURRENT_USER;
CreateKey( AKey );
finally
Free;
end;
end;
procedure KeyDeleteValue(AKey: string; KeyName: string);
begin
with TRegistry.Create do
try
RootKey := HKEY_CURRENT_USER;
try
OpenKey( AKey, False);
DeleteValue(KeyName);
except
end;
finally
Free;
end;
end;
procedure KeyRead(AKey: string; KeyName: string; var Value: string);
begin
Value := EmptyStr;
with TRegistry.Create do
try
RootKey := HKEY_CURRENT_USER;
try
OpenKey( AKey, False);
Value := ReadString( KeyName );
except
end;
finally
Free;
end;
end;
function KeyNameValueExists(AKey: string; KeyName: string):Boolean;
var
L : TStringList;
begin
Result := False;
with TRegistry.Create do
try
RootKey := HKEY_CURRENT_USER;
OpenKey( AKey, False);
try
L := TStringList.Create;
with L do
try
GetValueNames( L );
Result := IndexOf(KeyName) > -1
finally
Free
end
except
end
finally
Free
end;
end;
procedure KeyRead(AKey: string; KeyName: string; Default: string; var Value: string);
begin
if not KeyNameValueExists(AKey, KeyName)
then Value := Default
else KeyRead(AKey, KeyName, Value);
end;
procedure KeyWrite(AKey: string; KeyName: string; Value: string);
begin
with TRegistry.Create do
try
RootKey := HKEY_CURRENT_USER;
try
OpenKey( AKey, False);
WriteString(KeyName, Value );
except
end;
finally
Free;
end;
end;
procedure KeyWrite(AKey: string; KeyName: string; Value: Double);
begin
KeyWrite(AKey, KeyName, FloatToStr(Value) );
end;
procedure KeyWrite(AKey: string; KeyName: string; Value: Integer);
begin
KeyWrite(AKey, KeyName, IntToStr(Value) );
end;
procedure KeyWrite(AKey: string; KeyName: string; Value: Boolean);
begin
KeyWrite(AKey, KeyName, Integer(Value) );
end;
function KeyReadInt(AKey: string; KeyName: string; Default: Integer):Integer;
var
Value : string;
begin
KeyRead(AKey, KeyName, Value);
try
if Value = EmptyStr then Result := Default
else Result := StrToInt( Value );
except
Result := Default;
end;
end;
function KeyReadFloat(AKey: string; KeyName: string; Default: Double):Double;
var
Value : string;
begin
KeyRead(AKey, KeyName, Value);
try
if Value = EmptyStr then Result := Default
else Result := StrToFloat( Value );
except
Result := Default;
end;
end;
function KeyReadBoolean(AKey: string; KeyName: string; Default: Boolean = False):Boolean;
var
Value : string;
begin
KeyRead(AKey, KeyName, Value);
try
if Value = EmptyStr then Result := Default
else Result := Boolean( StrToInt( Value ) );
except
Result := Default;
end;
end;
function KeyReadString(AKey: string; KeyName: string; Default: string = ''):string;
begin
KeyRead(AKey, KeyName, Default, Result);
end;
initialization
Initialize;
end.