Forgot to commit XMLDataBindingUtils
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@ -42,9 +42,6 @@ const
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function FloatToXML(AValue: Extended): WideString;
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function XMLToFloat(const AValue: WideString): Extended;
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function Base64Encode(AValue: String): String;
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function Base64Decode(AValue: String): String;
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function GetNodeIsNil(ANode: IXMLNode): Boolean;
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procedure SetNodeIsNil(ANode: IXMLNode; ASetNil: Boolean);
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@ -54,6 +51,13 @@ const
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procedure SortChildNodes(AParent: IXMLNode; ASortOrder: array of string);
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{ Now wraps the JclMime implementation:
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Lightening fast Mime (Base64) Encoding and Decoding routines.
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Coded by Ralf Junker (ralfjunker@gmx.de).}
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function Base64Encode(AValue: String): String;
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function Base64Decode(AValue: String): String;
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procedure Base64DecodeToStream(AValue: String; AStream: TStream);
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const
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XMLSchemaInstanceURI = 'http://www.w3.org/2001/XMLSchema-instance';
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@ -78,6 +82,7 @@ const
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);
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XMLIsNilAttribute = 'nil';
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XMLIsNilAttributeNS = 'xsi:nil';
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Base64ValidChars = ['A'..'Z', 'a'..'z', '0'..'9', '+', '/'];
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Base64LookupTable = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' +
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@ -103,6 +108,19 @@ type
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end;
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function MimeEncodeString(const S: AnsiString): AnsiString; forward;
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function MimeDecodeString(const S: AnsiString): AnsiString; forward;
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procedure MimeEncodeStream(const InputStream: TStream; const OutputStream: TStream); forward;
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procedure MimeDecodeStream(const InputStream: TStream; const OutputStream: TStream); forward;
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function MimeEncodedSize(const I: Cardinal): Cardinal; forward;
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function MimeDecodedSize(const I: Cardinal): Cardinal; forward;
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procedure MimeEncode(var InputBuffer; const InputByteCount: Cardinal; var OutputBuffer); forward;
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function MimeDecode(var InputBuffer; const InputBytesCount: Cardinal; var OutputBuffer): Cardinal; forward;
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function MimeDecodePartial(var InputBuffer; const InputBytesCount: Cardinal; var OutputBuffer; var ByteBuffer: Cardinal; var ByteBufferSpace: Cardinal): Cardinal; forward;
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function MimeDecodePartialEnd(var OutputBuffer; const ByteBuffer: Cardinal; const ByteBufferSpace: Cardinal): Cardinal; forward;
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function DateTimeToXML(ADate: TDateTime; AFormat: TXMLDateTimeFormat; ATimeFragments: TXMLTimeFragments): string;
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var
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formatSettings: TFormatSettings;
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@ -297,128 +315,28 @@ end;
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function Base64Encode(AValue: String): String;
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var
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pos: Integer;
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lookupIndex: array[0..3] of Byte;
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padCount: Integer;
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begin
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Result := '';
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if Length(AValue) = 0 then
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exit;
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padCount := 0;
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{ At least 3 input bytes are required, and the input must be a multiple of 3 }
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if Length(AValue) < 3 then
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padCount := 3 - Length(AValue)
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else if Length(AValue) mod 3 <> 0 then
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padCount := 3 - (Length(AValue) mod 3);
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if padCount > 0 then
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AValue := AValue + StringOfChar(#0, padCount);
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pos := 1;
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{ Process in 3-byte blocks }
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while pos <= Length(AValue) - 2 do
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begin
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{ Each 3 input bytes are converted into 4 index values
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in the range of 0..63, by taking 6 bits each step.
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6 high bytes of first char }
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lookupIndex[0] := (Ord(AValue[pos]) shr 2) and $3F;
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{ 2 low bytes of first char + 4 high bytes of second char }
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lookupIndex[1] := ((Ord(AValue[pos]) shl 4) and $3F) or
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(Ord(AValue[pos + 1]) shr 4);
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{ 4 low bytes of second char + 2 high bytes of third char }
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lookupIndex[2] :=((Ord(AValue[pos + 1]) shl 2) and $3F) or
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(Ord(AValue[pos + 2]) shr 6);
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{ 6 low bytes of third char }
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lookupIndex[3] := Ord(AValue[pos + 2]) and $3F;
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Result := Result + Base64LookupTable[lookupIndex[0] + 1] +
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Base64LookupTable[lookupIndex[1] + 1] +
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Base64LookupTable[lookupIndex[2] + 1] +
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Base64LookupTable[lookupIndex[3] + 1];
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Inc(pos, 3);
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end;
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{ Replace padding }
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if padCount > 0 then
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begin
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for pos := Length(Result) downto Length(Result) - Pred(padCount) do
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Result[pos] := Base64Padding;
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end;
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end;
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function Base64LookupIndex(AChar: Char): Byte;
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var
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lookupIndex: Integer;
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begin
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Result := Ord(Base64Padding);
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for lookupIndex := 1 to Length(Base64LookupTable) do
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if Base64LookupTable[lookupIndex] = AChar then
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begin
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Result := Pred(lookupIndex);
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break;
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end;
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Result := MimeEncodeString(AValue);
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end;
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function Base64Decode(AValue: String): String;
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begin
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Result := MimeDecodeString(AValue);
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end;
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procedure Base64DecodeToStream(AValue: String; AStream: TStream);
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var
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pos: Integer;
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padCount: Integer;
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value: Byte;
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input: TStringStream;
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begin
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Result := '';
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if Length(AValue) = 0 then
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exit;
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if Length(AValue) mod 4 <> 0 then
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raise EBase64Error.Create('Value length must be a multiple of 4');
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padCount := 0;
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pos := Length(AValue);
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{ Count padding chars }
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while (pos > 0) and (AValue[pos] = Base64Padding) do
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begin
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Inc(padCount);
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Dec(pos);
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input := TStringStream.Create(AValue);
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try
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MimeDecodeStream(input, AStream);
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finally
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FreeAndNil(input);
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end;
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Result := '';
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pos := 1;
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while pos <= Length(AValue) - 3 do
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begin
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value := (Base64LookupIndex(AValue[pos]) shl 2) or
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(Base64LookupIndex(AValue[pos + 1]) shr 4);
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Result := Result + Chr(value);
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value := (Base64LookupIndex(AValue[pos + 1]) shl 4) or
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(Base64LookupIndex(AValue[pos + 2]) shr 2);
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Result := Result + Chr(value);
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value := (Base64LookupIndex(AValue[pos + 2]) shl 6) or
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(Base64LookupIndex(AValue[pos + 3]));
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Result := Result + Chr(value);
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Inc(pos, 4);
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end;
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{ Delete padding }
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if padCount > 0 then
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SetLength(Result, Length(Result) - padCount);
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end;
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@ -430,11 +348,19 @@ end;
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procedure SetNodeIsNil(ANode: IXMLNode; ASetNil: Boolean);
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var
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documentElement: IXMLNode;
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begin
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if ASetNil then
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begin
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ANode.ChildNodes.Clear;
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ANode.SetAttributeNS(XMLIsNilAttribute, XMLSchemaInstanceURI, BoolToXML(True));
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documentElement := ANode.OwnerDocument.DocumentElement;
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if not documentElement.HasAttribute('xmlns:xsi') then
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documentElement.SetAttributeNS('xmlns:xsi', '', XMLSchemaInstanceURI);
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ANode.SetAttributeNS(XMLIsNilAttributeNS, XMLSchemaInstanceURI, BoolToXML(True));
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end else
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ANode.AttributeNodes.Delete(XMLIsNilAttribute, XMLSchemaInstanceURI);
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end;
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@ -455,7 +381,7 @@ begin
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else if (nodeInfo1^.SortIndex = -1) and (nodeInfo2^.SortIndex > -1) then
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Result := LessThanValue
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else if (nodeInfo1^.SortIndex = -1) and (nodeInfo2^.SortIndex = -1) then
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else if (nodeInfo1^.SortIndex = nodeInfo2^.SortIndex) then
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Result := CompareValue(nodeInfo1^.OriginalIndex, nodeInfo2^.OriginalIndex)
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else
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@ -559,5 +485,323 @@ begin
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end;
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end;
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{ --- JclMime implementation from here. }
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// Caution: For MimeEncodeStream and all other kinds of multi-buffered
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// Mime encodings (i.e. Files etc.), BufferSize must be set to a multiple of 3.
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// Even though the implementation of the Mime decoding routines below
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// do not require a particular buffer size, they work fastest with sizes of
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// multiples of four. The chosen size is a multiple of 3 and of 4 as well.
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// The following numbers are, in addition, also divisible by 1024:
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// $2400, $3000, $3C00, $4800, $5400, $6000, $6C00.
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const
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BUFFER_SIZE = $3000;
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EqualSign = Byte('=');
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MIME_ENCODE_TABLE: array [0..63] of Byte = (
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65, 66, 67, 68, 69, 70, 71, 72, // 00 - 07
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73, 74, 75, 76, 77, 78, 79, 80, // 08 - 15
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81, 82, 83, 84, 85, 86, 87, 88, // 16 - 23
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89, 90, 97, 98, 99, 100, 101, 102, // 24 - 31
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103, 104, 105, 106, 107, 108, 109, 110, // 32 - 39
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111, 112, 113, 114, 115, 116, 117, 118, // 40 - 47
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119, 120, 121, 122, 48, 49, 50, 51, // 48 - 55
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52, 53, 54, 55, 56, 57, 43, 47); // 56 - 63
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MIME_DECODE_TABLE: array [Byte] of Cardinal = (
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255, 255, 255, 255, 255, 255, 255, 255, // 00 - 07
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255, 255, 255, 255, 255, 255, 255, 255, // 08 - 15
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255, 255, 255, 255, 255, 255, 255, 255, // 16 - 23
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255, 255, 255, 255, 255, 255, 255, 255, // 24 - 31
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255, 255, 255, 255, 255, 255, 255, 255, // 32 - 39
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255, 255, 255, 62, 255, 255, 255, 63, // 40 - 47
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52, 53, 54, 55, 56, 57, 58, 59, // 48 - 55
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60, 61, 255, 255, 255, 255, 255, 255, // 56 - 63
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255, 0, 1, 2, 3, 4, 5, 6, // 64 - 71
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7, 8, 9, 10, 11, 12, 13, 14, // 72 - 79
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15, 16, 17, 18, 19, 20, 21, 22, // 80 - 87
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23, 24, 25, 255, 255, 255, 255, 255, // 88 - 95
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255, 26, 27, 28, 29, 30, 31, 32, // 96 - 103
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33, 34, 35, 36, 37, 38, 39, 40, // 104 - 111
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41, 42, 43, 44, 45, 46, 47, 48, // 112 - 119
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49, 50, 51, 255, 255, 255, 255, 255, // 120 - 127
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255);
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type
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PByte4 = ^TByte4;
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TByte4 = packed record
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B1: Byte;
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B2: Byte;
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B3: Byte;
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B4: Byte;
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end;
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PByte3 = ^TByte3;
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TByte3 = packed record
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B1: Byte;
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B2: Byte;
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B3: Byte;
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end;
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//------------------------------------------------------------------------------
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// Wrapper functions & procedures
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//------------------------------------------------------------------------------
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function MimeEncodeString(const S: AnsiString): AnsiString;
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var
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L: Cardinal;
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begin
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L := Length(S);
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if L > 0 then
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begin
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SetLength(Result, MimeEncodedSize(L));
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MimeEncode(PChar(S)^, L, PChar(Result)^);
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end
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else
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Result := '';
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end;
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//------------------------------------------------------------------------------
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function MimeDecodeString(const S: AnsiString): AnsiString;
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var
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ByteBuffer, ByteBufferSpace: Cardinal;
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L: Cardinal;
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begin
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L := Length(S);
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if L > 0 then
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begin
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SetLength(Result, MimeDecodedSize(L));
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ByteBuffer := 0;
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ByteBufferSpace := 4;
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L := MimeDecodePartial(PChar(S)^, L, PChar(Result)^, ByteBuffer, ByteBufferSpace);
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Inc(L, MimeDecodePartialEnd(PChar(Cardinal(Result) + L)^, ByteBuffer, ByteBufferSpace));
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SetLength(Result, L);
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end;
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end;
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//------------------------------------------------------------------------------
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procedure MimeEncodeStream(const InputStream: TStream; const OutputStream: TStream);
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var
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InputBuffer: array [0..BUFFER_SIZE - 1] of Byte;
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OutputBuffer: array [0..((BUFFER_SIZE + 2) div 3) * 4 - 1] of Byte;
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BytesRead: Integer;
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begin
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BytesRead := InputStream.Read(InputBuffer, SizeOf(InputBuffer));
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while BytesRead > 0 do
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begin
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MimeEncode(InputBuffer, BytesRead, OutputBuffer);
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OutputStream.Write(OutputBuffer, MimeEncodedSize(BytesRead));
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BytesRead := InputStream.Read(InputBuffer, SizeOf(InputBuffer));
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end;
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end;
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//------------------------------------------------------------------------------
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procedure MimeDecodeStream(const InputStream: TStream; const OutputStream: TStream);
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var
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ByteBuffer, ByteBufferSpace: Cardinal;
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InputBuffer: array [0..(BUFFER_SIZE + 3) div 4 * 3 - 1] of Byte;
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OutputBuffer: array [0..BUFFER_SIZE - 1] of Byte;
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BytesRead: Integer;
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begin
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ByteBuffer := 0;
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ByteBufferSpace := 4;
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BytesRead := InputStream.Read(InputBuffer, SizeOf(InputBuffer));
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while BytesRead > 0 do
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begin
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OutputStream.Write(OutputBuffer, MimeDecodePartial(InputBuffer, BytesRead, OutputBuffer, ByteBuffer, ByteBufferSpace));
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BytesRead := InputStream.Read(InputBuffer, SizeOf(InputBuffer));
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end;
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OutputStream.Write(OutputBuffer, MimeDecodePartialEnd(OutputBuffer, ByteBuffer, ByteBufferSpace));
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end;
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//------------------------------------------------------------------------------
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// Helper functions
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//------------------------------------------------------------------------------
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function MimeEncodedSize(const I: Cardinal): Cardinal;
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begin
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Result := (I + 2) div 3 * 4;
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end;
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//------------------------------------------------------------------------------
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function MimeDecodedSize(const I: Cardinal): Cardinal;
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begin
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Result := (I + 3) div 4 * 3;
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end;
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//------------------------------------------------------------------------------
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// Primary functions & procedures
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//------------------------------------------------------------------------------
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procedure MimeEncode(var InputBuffer; const InputByteCount: Cardinal; var OutputBuffer);
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var
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B: Cardinal;
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InMax3: Cardinal;
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InPtr, InLimitPtr: ^Byte;
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OutPtr: PByte4;
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begin
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if InputByteCount <= 0 then
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Exit;
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InPtr := @InputBuffer;
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InMax3 := InputByteCount div 3 * 3;
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OutPTr := @OutputBuffer;
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Cardinal(InLimitPtr) := Cardinal(InPtr) + InMax3;
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while InPtr <> InLimitPtr do
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begin
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B := InPtr^;
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B := B shl 8;
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Inc(InPtr);
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B := B or InPtr^;
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B := B shl 8;
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Inc(InPtr);
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B := B or InPtr^;
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Inc(InPtr);
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// Write 4 bytes to OutputBuffer (in reverse order).
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OutPtr.B4 := MIME_ENCODE_TABLE[B and $3F];
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B := B shr 6;
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OutPtr.B3 := MIME_ENCODE_TABLE[B and $3F];
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B := B shr 6;
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OutPtr.B2 := MIME_ENCODE_TABLE[B and $3F];
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B := B shr 6;
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OutPtr.B1 := MIME_ENCODE_TABLE[B];
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Inc(OutPtr);
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end;
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case InputByteCount - InMax3 of
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1:
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begin
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B := InPtr^;
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B := B shl 4;
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OutPtr.B2 := MIME_ENCODE_TABLE[B and $3F];
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B := B shr 6;
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OutPtr.B1 := MIME_ENCODE_TABLE[B];
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OutPtr.B3 := EqualSign; // Fill remaining 2 bytes.
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OutPtr.B4 := EqualSign;
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end;
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2:
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begin
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B := InPtr^;
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Inc(InPtr);
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B := B shl 8;
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B := B or InPtr^;
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B := B shl 2;
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OutPtr.B3 := MIME_ENCODE_TABLE[B and $3F];
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B := B shr 6;
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OutPTr.b2 := MIME_ENCODE_TABLE[B and $3F];
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B := B shr 6;
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OutPtr.B1 := MIME_ENCODE_TABLE[B];
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OutPtr.B4 := EqualSign; // Fill remaining byte.
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end;
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end;
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end;
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//------------------------------------------------------------------------------
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function MimeDecode(var InputBuffer; const InputBytesCount: Cardinal; var OutputBuffer): Cardinal;
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var
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ByteBuffer, ByteBufferSpace: Cardinal;
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begin
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ByteBuffer := 0;
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ByteBufferSpace := 4;
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Result := MimeDecodePartial(InputBuffer, InputBytesCount, OutputBuffer, ByteBuffer, ByteBufferSpace);
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Inc(Result, MimeDecodePartialEnd(PChar(Cardinal(OutputBuffer) + Result)^, ByteBuffer, ByteBufferSpace));
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end;
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//------------------------------------------------------------------------------
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|
||||
function MimeDecodePartial(var InputBuffer; const InputBytesCount: Cardinal;
|
||||
var OutputBuffer; var ByteBuffer: Cardinal; var ByteBufferSpace: Cardinal): Cardinal;
|
||||
var
|
||||
lByteBuffer, lByteBufferSpace, C: Cardinal;
|
||||
InPtr, InLimitPtr: ^Byte;
|
||||
OutPtr: PByte3;
|
||||
begin
|
||||
if InputBytesCount > 0 then
|
||||
begin
|
||||
InPtr := @InputBuffer;
|
||||
Cardinal(InLimitPtr) := Cardinal(InPtr) + InputBytesCount;
|
||||
OutPtr := @OutputBuffer;
|
||||
lByteBuffer := ByteBuffer;
|
||||
lByteBufferSpace := ByteBufferSpace;
|
||||
while InPtr <> InLimitPtr do
|
||||
begin
|
||||
C := MIME_DECODE_TABLE[InPtr^]; // Read from InputBuffer.
|
||||
Inc(InPtr);
|
||||
if C = $FF then
|
||||
Continue;
|
||||
|
||||
lByteBuffer := lByteBuffer shl 6;
|
||||
lByteBuffer := lByteBuffer or C;
|
||||
Dec(lByteBufferSpace);
|
||||
if lByteBufferSpace <> 0 then
|
||||
Continue; // Read 4 bytes from InputBuffer?
|
||||
|
||||
OutPtr.B3 := Byte(lByteBuffer); // Write 3 bytes to OutputBuffer (in reverse order).
|
||||
lByteBuffer := lByteBuffer shr 8;
|
||||
OutPtr.B2 := Byte(lByteBuffer);
|
||||
lByteBuffer := lByteBuffer shr 8;
|
||||
OutPtr.B1 := Byte(lByteBuffer);
|
||||
lByteBuffer := 0;
|
||||
Inc(OutPtr);
|
||||
lByteBufferSpace := 4;
|
||||
end;
|
||||
ByteBuffer := lByteBuffer;
|
||||
ByteBufferSpace := lByteBufferSpace;
|
||||
Result := Cardinal(OutPtr) - Cardinal(@OutputBuffer);
|
||||
end
|
||||
else
|
||||
Result := 0;
|
||||
end;
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
function MimeDecodePartialEnd(var OutputBuffer; const ByteBuffer: Cardinal;
|
||||
const ByteBufferSpace: Cardinal): Cardinal;
|
||||
var
|
||||
lByteBuffer: Cardinal;
|
||||
begin
|
||||
case ByteBufferSpace of
|
||||
1:
|
||||
begin
|
||||
lByteBuffer := ByteBuffer shr 2;
|
||||
PByte3(@OutputBuffer).B2 := Byte(lByteBuffer);
|
||||
lByteBuffer := lByteBuffer shr 8;
|
||||
PByte3(@OutputBuffer).B1 := Byte(lByteBuffer);
|
||||
Result := 2;
|
||||
end;
|
||||
2:
|
||||
begin
|
||||
lByteBuffer := ByteBuffer shr 4;
|
||||
PByte3(@OutputBuffer).B1 := Byte(lByteBuffer);
|
||||
Result := 1;
|
||||
end;
|
||||
else
|
||||
Result := 0;
|
||||
end;
|
||||
end;
|
||||
|
||||
end.
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user