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codetools: implement some new abstract methods of TAbstractObjectWriter

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git-svn-id: trunk@19106 -
This commit is contained in:
paul 2009-03-26 03:34:42 +00:00
parent 781913e482
commit 05f7d868a7
1 changed files with 75 additions and 5 deletions
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80
components/codetools/laz_xmlstreaming.pas
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@ -27,6 +27,10 @@ unit Laz_XMLStreaming;
{$UNDEF HasReadWriteBuf}
{$ENDIF}
{$IF (FPC_VERSION = 2) AND (FPC_RELEASE >= 3)}
{$DEFINE USE_NEW_READER_WRITER}
{$IFEND}
interface
uses SysUtils, Classes, TypInfo, FileProcs, Laz_DOM, Laz_XMLWrite;
@ -82,8 +86,10 @@ type
procedure WriteSet(Value: LongInt; SetType: Pointer); override;
procedure WriteString(const Value: String); override;
procedure WriteWideString(const Value: WideString); override;
{$IFDEF FPC_HAS_UNICODESTRING}
{$IFDEF USE_NEW_READER_WRITER}
procedure WriteUInt64(Value: QWord); override;
procedure WriteUnicodeString(const Value: UnicodeString); override;
procedure WriteVariant(const VarValue: Variant); override;
{$ENDIF}
{$IFDEF HasReadWriteBuf}
procedure Write(const Buffer; Count: Longint); override;
@ -131,7 +137,7 @@ type
function ReadStr: String; override;
function ReadString(StringType: TValueType): String; override;
function ReadWideString: WideString; override;
{$IFDEF FPC_HAS_UNICODESTRING}
{$IFDEF USE_NEW_READER_WRITER}
function ReadUnicodeString: UnicodeString; override;
{$ENDIF}
procedure SkipComponent(SkipComponentInfos: Boolean); override;
@ -458,12 +464,67 @@ begin
GetPropertyElement('widestring')['value'] := System.UTF8Encode(Value);
end;
{$IFDEF FPC_HAS_UNICODESTRING}
{$IFDEF USE_NEW_READER_WRITER}
procedure TXMLObjectWriter.WriteUInt64(Value: QWord);
begin
GetPropertyElement('uint64')['value'] := IntToStr(Value);
end;
procedure TXMLObjectWriter.WriteUnicodeString(const Value: UnicodeString);
// save unicodestrings as utf8
begin
GetPropertyElement('unicodestring')['value'] := System.UTF8Encode(Value);
end;
procedure TXMLObjectWriter.WriteVariant(const VarValue: Variant);
begin
case tvardata(VarValue).vtype of
varEmpty:
begin
GetPropertyElement('uint64')['value'] := 'nil';
end;
varNull:
begin
GetPropertyElement('uint64')['value'] := 'null';
end;
{ all integer sizes must be split for big endian systems }
varShortInt,varSmallInt,varInteger,varInt64:
begin
WriteInteger(VarValue);
end;
varQWord:
begin
WriteUInt64(VarValue);
end;
varBoolean:
begin
WriteBoolean(VarValue);
end;
varCurrency:
begin
WriteCurrency(VarValue);
end;
varSingle:
begin
WriteSingle(VarValue);
end;
varDouble:
begin
WriteFloat(VarValue);
end;
varDate:
begin
WriteDate(VarValue);
end;
varOleStr,varString:
begin
WriteWideString(VarValue);
end;
else
raise EWriteError.CreateFmt('Unsupported property variant type %d', [Ord(tvardata(VarValue).vtype)]);
end;
end;
{$ENDIF}
{$IFDEF HasReadWriteBuf}
@ -673,9 +734,18 @@ begin
Result:=vaExtended
else if FElement.NodeName='widestring' then
Result:=vaWString
{$IFDEF FPC_HAS_UNICODESTRING}
{$IFDEF USE_NEW_READER_WRITER}
else if FElement.NodeName = 'uint64' then
Result:=vaQWord
else if FElement.NodeName='unicodestring' then
Result:=vaUString
else if FElement.NodeName='variant' then
begin
if FElement['value'] = 'nil' then
Result := vaNil
else
Result := vaNull;
end
{$ENDIF}
else if FElement.NodeName='collectionproperty' then
Result:=vaCollection
@ -1059,7 +1129,7 @@ begin
//writeln('TXMLObjectReader.ReadWideString "',ValueAsUTF8,'"');
end;
{$IFDEF FPC_HAS_UNICODESTRING}
{$IFDEF USE_NEW_READER_WRITER}
function TXMLObjectReader.ReadUnicodeString: UnicodeString;
var
ValueAsUTF8: String;