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{$INCLUDE compilers.inc}
unit dbsettings;
interface
uses windows,m_api;
function DBReadByte (hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;default:byte =0):byte;
function DBReadWord (hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;default:word =0):word;
function DBReadDWord(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;default:dword=0):dword;
function DBReadSetting (hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;dbv:PDBVARIANT):int_ptr;
function DBReadSettingStr(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;dbv:PDBVARIANT):int_ptr;
function DBReadStringLength(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar):integer;
function DBReadString (hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;
default:PAnsiChar=nil;enc:integer=DBVT_ASCIIZ):PAnsiChar;
function DBReadUTF8 (hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;default:PAnsiChar=nil):PAnsiChar;
function DBReadUnicode(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;default:PWideChar=nil):PWideChar;
function DBReadStruct (hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;
ptr:pointer;size:dword):Integer;
function DBWriteStruct(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;
ptr:pointer;size:dword):Integer;
function DBWriteSetting(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;dbv:PDBVARIANT):int_ptr;
function DBWriteByte (hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;val:Byte ):int_ptr;
function DBWriteWord (hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;val:Word ):int_ptr;
function DBWriteDWord(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;val:dword):int_ptr;
function DBWriteString (hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;
val:PAnsiChar;enc:integer=DBVT_ASCIIZ):int_ptr;
function DBWriteUTF8 (hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;val:PAnsiChar):int_ptr;
function DBWriteUnicode(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;val:PWideChar):int_ptr;
function DBFreeVariant(dbv:PDBVARIANT):int_ptr;
function DBDeleteSetting(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar):int_ptr;
function DBDeleteGroup(hContact:THANDLE;szModule:PAnsiChar;prefix:pAnsiChar=nil):int_ptr;
function DBDeleteModule(szModule:PAnsiChar):integer; // 0.8.0+
function DBGetSettingType(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar):integer;
implementation
uses common;
function DBReadByte(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;default:byte=0):byte;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_get_b(hContact, szModule, szSetting, default);
end;
function DBReadWord(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;default:word=0):word;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_get_w(hContact, szModule, szSetting, default);
end;
function DBReadDWord(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;default:dword=0):dword;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_get_dw(hContact, szModule, szSetting, default);
end;
function DBReadSetting(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;dbv:PDBVARIANT):int_ptr;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_get(hContact, szModule, szSetting, dbv);
end;
function DBReadSettingStr(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;dbv:PDBVARIANT):int_ptr;
begin
Result:=db_get_s(hContact,szModule,szSetting,dbv,DBVT_ASCIIZ);
end;
function DBReadStringLength(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar):integer;
var
dbv:TDBVARIANT;
i:int_ptr;
begin
FillChar(dbv,SizeOf(dbv),0);
i:=db_get_s(hContact,szModule,szSetting,@dbv,DBVT_ASCIIZ);
if (i<>0) or (dbv.szVal.a=nil) or (dbv.szVal.a^=#0) then
result:=0
else
result:=lstrlena(dbv.szVal.a);
DBFreeVariant(@dbv);
end;
function DBReadString(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;
default:PAnsiChar=nil;enc:integer=DBVT_ASCIIZ):PAnsiChar;
var
dbv:TDBVARIANT;
i:int_ptr;
begin
FillChar(dbv,SizeOf(dbv),0);
dbv._type :=enc;
i:=db_get_s(hContact,szModule,szSetting,@dbv,DBVT_ASCIIZ);
if i=0 then
default:=dbv.szVal.a;
if (default=nil) or (default^=#0) then
result:=nil
else
StrDup(result,default);
//!! if i=0 then
DBFreeVariant(@dbv);
end;
function DBReadUTF8(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;default:PAnsiChar=nil):PAnsiChar;
begin
result:=DBReadString(hContact,szModule,szSetting,default,DBVT_UTF8);
end;
function DBReadUnicode(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;default:PWideChar=nil):PWideChar;
var
dbv:TDBVARIANT;
i:int_ptr;
begin
FillChar(dbv,SizeOf(dbv),0);
i:=db_get_s(hContact,szModule,szSetting,@dbv,DBVT_WCHAR);
if i=0 then
default:=dbv.szVal.w;
if (default=nil) or (default^=#0) then
result:=nil
else
StrDupW(result,default);
DBFreeVariant(@dbv);
end;
function DBReadStruct(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;
ptr:pointer;size:dword):Integer;
var
dbv:TDBVariant;
begin
FillChar(dbv,SizeOf(dbv),0);
dbv._type:=DBVT_BLOB;
dbv.pbVal:=nil;
if (DBReadSetting(0,szModule,szSetting,@dbv)=0) and
(dbv.pbVal<>nil) and (dbv.cpbVal=size) then
begin
move(dbv.pbVal^,ptr^,size);
DBFreeVariant(@dbv);
result:=1;
end
else
result:=0;
end;
function DBWriteStruct(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;
ptr:pointer;size:dword):Integer;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_set_blob(hContact, szModule, szSetting, ptr, size);
end;
function DBWriteSetting(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;dbv:PDBVARIANT):int_ptr;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
Result:=db_set(hContact, szModule, szSetting, dbv);
end;
function DBWriteByte(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;val:Byte):int_ptr;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_set_b(hContact, szModule, szSetting, val);
end;
function DBWriteWord(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;val:Word):int_ptr;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_set_w(hContact, szModule, szSetting, val);
end;
function DBWriteDWord(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;val:dword):int_ptr;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_set_dw(hContact, szModule, szSetting, val);
end;
function DBWriteString(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;
val:PAnsiChar;enc:integer=DBVT_ASCIIZ):int_ptr;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_set_s(hContact, szModule, szSetting, val);
end;
function DBWriteUTF8(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;val:PAnsiChar):int_ptr;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_set_utf(hContact, szModule, szSetting, val);
end;
function DBWriteUnicode(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar;val:PWideChar):int_ptr;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_set_ws(hContact, szModule, szSetting, val);
end;
function DBFreeVariant(dbv:PDBVARIANT):int_ptr;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_free(dbv);
end;
function DBDeleteSetting(hContact:THandle;szModule:PAnsiChar;szSetting:PAnsiChar):int_ptr;
{$IFDEF AllowInline}inline;{$ENDIF}
begin
result:=db_unset(hContact, szModule, szSetting);
end;
type
ppchar = ^pAnsiChar;
function EnumSettingsProc(const szSetting:PAnsiChar;lParam:LPARAM):int; cdecl;
begin
lstrcpya(ppchar(lParam)^,szSetting);
while ppchar(lParam)^^<>#0 do inc(ppchar(lParam)^);
inc(ppchar(lParam)^);
result:=0;
end;
function EnumSettingsProcCalc(const szSetting:PAnsiChar;lParam:LPARAM):int; cdecl;
begin
inc(pint_ptr(lParam)^,lstrlena(szSetting)+1);
result:=0;
end;
function DBDeleteGroup(hContact:THANDLE;szModule:PAnsiChar;prefix:pAnsiChar=nil):int_ptr;
var
ces:TDBCONTACTENUMSETTINGS;
p:PAnsiChar;
num,len:integer;
ptr:pAnsiChar;
begin
ces.szModule:=szModule;
num:=0;
ces.pfnEnumProc:=@EnumSettingsProcCalc;
ces.lParam :=lParam(@num);
ces.ofsSettings:=0;
CallService(MS_DB_CONTACT_ENUMSETTINGS,hContact,lparam(@ces));
GetMem(p,num+1);
ptr:=p;
ces.pfnEnumProc:=@EnumSettingsProc;
ces.lParam :=lparam(@ptr);
ces.ofsSettings:=0;
result:=CallService(MS_DB_CONTACT_ENUMSETTINGS,hContact,lparam(@ces));
ptr^:=#0;
ptr:=p;
if (prefix<>nil) and (prefix^<>#0) then
len:=StrLen(prefix)
else
len:=0;
while ptr^<>#0 do
begin
if (len=0) or (StrCmp(prefix,ptr,len)=0) then
begin
db_unset(hContact,szModule,ptr);
end;
while ptr^<>#0 do inc(ptr);
inc(ptr);
end;
FreeMem(p);
end;
function DBDeleteModule(szModule:PAnsiChar):integer; // 0.8.0+
begin
result:=0;
CallService(MS_DB_MODULE_DELETE,0,lParam(szModule));
end;
function DBGetSettingType(hContact:THANDLE;szModule:PAnsiChar;szSetting:PAnsiChar):integer;
var
ldbv:TDBVARIANT;
begin
if DBReadSetting(hContact,szModule,szSetting,@ldbv)=0 then
begin
result:=ldbv._type;
DBFreeVariant(@ldbv);
end
else
result:=DBVT_DELETED;
end;
begin
end.
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