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unit GikoXMLDoc; |
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|
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{ |
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XMLIntf, XMLDoc ?????????????若??/span> |
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Delphi 6 Personal ??/span> |
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} |
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interface |
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|
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//================================================== |
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uses |
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//================================================== |
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|
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Classes, SysUtils, |
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YofUtils; |
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|
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//================================================== |
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type |
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//================================================== |
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|
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// ??????????篏??c???????????違?????????? |
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XMLDictionary = Record |
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Name : string; |
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Value : string; |
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end; |
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|
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IXMLNode = class |
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private |
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FNodeName : string; |
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FCount : Integer; |
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FAttributeCount : Integer; |
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FChildNodes : IXMLNode; |
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FNodes : array of IXMLNode; |
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FAttributes : array of XMLDictionary; |
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function GetAttribute( const Name : string ) : string; |
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function GetNode( Index : Integer ) : IXMLNode; |
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public |
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constructor Create; |
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destructor Destroy; override; |
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|
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property NodeName : string read FNodeName write FNodeName; |
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property Attributes[ const Name : string ] : string read GetAttribute; |
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property Node[ Index : Integer ] : IXMLNode read GetNode; default; |
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property ChildNodes : IXMLNode read FChildNodes write FChildNodes; |
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property Count : Integer read FCount write FCount; |
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procedure Add( node : IXMLNode ); |
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procedure AddAttribute( const Name : string; const Value : string ); |
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end; |
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|
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IXMLDocument = class( IXMLNode ) |
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private |
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function GetDocumentElement() : IXMLNode; |
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public |
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property DocumentElement : IXMLNode read GetDocumentElement; |
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end; |
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|
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function XMLCloseCheck( |
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var f : TFileStream; |
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var node : IXMLNode; |
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ch : char; |
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out tag : string; |
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out closed : boolean // ?若?喝?冴???????若???潟?? node ?????????鴻?????? true |
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) : boolean; // ch ?????????若???潟?????????????? true |
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|
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function XMLReadNode( |
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var f : TFileStream; |
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var node : IXMLNode |
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) : string; // node 篁ュ??????若???????????????翫???????若???? |
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|
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procedure LoadXMLDocument( |
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const fileName : string; |
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var doc : IXMLDocument |
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); |
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|
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//================================================== |
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const |
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//================================================== |
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kXMLWhite : TSysCharSet = [#0..#$20]; |
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kXMLDQuote : TSysCharSet = ['"']; |
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kXMLTagStart : TSysCharSet = ['<']; |
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kXMLTagEnd : TSysCharSet = ['>']; |
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kXMLKanji : TSysCharSet = [#$80..#$A0, #$E0..#$ff]; |
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|
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//================================================== |
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implementation |
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//================================================== |
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|
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// Constructor |
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constructor IXMLNode.Create; |
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begin |
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|
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inherited; |
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|
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FCount := 0; |
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|
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end; |
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|
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// Destructor |
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destructor IXMLNode.Destroy; |
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var |
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i : Integer; |
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begin |
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|
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for i := FCount - 1 downto 0 do |
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FNodes[ i ].Free; |
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FChildNodes.Free; |
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|
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inherited; |
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|
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end; |
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|
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function IXMLNode.GetAttribute( const Name : string ) : string; |
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var |
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i : Integer; |
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begin |
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|
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i := 0; |
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while i < FAttributeCount do |
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begin |
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if Name = FAttributes[ i ].Name then |
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begin |
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Result := FAttributes[ i ].Value; |
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exit; |
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end; |
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|
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Inc( i ); |
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end; |
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|
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end; |
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|
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function IXMLNode.GetNode( Index : Integer ) : IXMLNode; |
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begin |
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|
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Result := FNodes[ Index ]; |
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|
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end; |
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|
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procedure IXMLNode.Add( node : IXMLNode ); |
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begin |
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|
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Inc( FCount ); |
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SetLength( FNodes, FCount ); |
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FNodes[ FCount - 1 ] := node; |
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|
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end; |
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|
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procedure IXMLNode.AddAttribute( |
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const Name : string; |
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const Value : string |
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); |
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var |
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index : Integer; |
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begin |
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|
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index := FAttributeCount; |
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Inc( FAttributeCount ); |
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SetLength( FAttributes, FAttributeCount ); |
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FAttributes[ index ].Name := Name; |
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FAttributes[ index ].Value := Value; |
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|
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end; |
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|
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function IXMLDocument.GetDocumentElement() : IXMLNode; |
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begin |
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|
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Result := FChildNodes[ 0 ]; |
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|
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end; |
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|
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// untilSet ???????障?ч??違?? |
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procedure FileThruUntil( |
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var f : TFileStream; |
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const untilSet : TSysCharSet |
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); |
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var |
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ch : char; |
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begin |
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|
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while f.Position < f.Size do |
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begin |
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f.ReadBuffer( ch, 1 ); |
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if ch in untilSet then |
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begin |
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f.Seek( -1, soFromCurrent ); |
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exit; |
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end else if ch in kXMLKanji then |
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f.Seek( 1, soFromCurrent ); |
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end; |
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|
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end; |
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|
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// whileSet ????蕋??違?? |
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procedure FileThruWhile( |
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var f : TFileStream; |
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const whileSet : TSysCharSet |
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); |
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var |
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ch : char; |
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begin |
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|
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while f.Position < f.Size do |
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begin |
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f.ReadBuffer( ch, 1 ); |
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if ch in whileSet then |
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begin |
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if ch in kXMLKanji then |
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f.ReadBuffer( ch, 1 ); |
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end else begin |
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f.Seek( -1, soFromCurrent ); |
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exit; |
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end; |
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end; |
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|
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end; |
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|
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function XMLCloseCheck( |
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var f : TFileStream; |
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var node : IXMLNode; |
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ch : char; |
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out tag : string; |
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out closed : boolean |
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) : boolean; // ch ?????????若???潟?????????????? true |
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var |
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last : Integer; |
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tagLen : Integer; |
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begin |
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|
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closed := false; |
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Result := false; |
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tag := ''; |
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|
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if ch = '>' then |
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begin |
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// ??紮??帥?違????緇??障?ц????? |
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Result := true; |
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end else if ch = '?' then |
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begin |
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// <?xml?> ?帥?????????ゃ?????c???∴? |
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FileThruUntil( f, kXMLTagEnd ); |
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FileThruUntil( f, kXMLTagStart ); |
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f.Seek( 1, soFromCurrent ); |
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FileThruWhile( f, kXMLWhite ); |
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//closed := true; |
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Result := true; |
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end else if ch = '/' then |
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begin |
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// ?帥?医????茯??粋昭???ц??? |
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last := f.Position; |
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FileThruUntil( f, kXMLTagEnd ); |
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tagLen := f.Position - last; |
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SetLength( tag, tagLen ); |
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|
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f.Seek( last, soFromBeginning ); |
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f.ReadBuffer( PChar( tag )^, tagLen ); |
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|
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f.Seek( f.Position + 1, soFromBeginning ); // '>' 蕋??違?? |
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closed := true; |
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Result := true; |
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end; |
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|
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end; |
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|
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function XMLReadNode( |
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var f : TFileStream; |
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var node : IXMLNode |
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) : string; // node 篁ュ??????若???????????????翫???????若???? |
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var |
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child : IXMLNode; |
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|
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last : Integer; |
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tag : string; |
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tagLen : Integer; |
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|
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isClosed : boolean; |
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|
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attributeName : string; |
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attributeValue : string; |
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|
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ch : char; |
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label |
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NextNode; |
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begin |
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try |
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// node ????粋昭??1 ???若?????ゃ?? 1 ???若??) |
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node.ChildNodes := IXMLNode.Create; |
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|
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while f.Position < f.Size do |
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begin |
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// NodeName 茯??粋昭??/span> |
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FileThruWhile( f, kXMLWhite ); |
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|
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while f.Position < f.Size do |
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begin |
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f.ReadBuffer( ch, 1 ); |
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|
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if XMLCloseCheck( f, node, ch, tag, isClosed ) then |
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begin |
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if isClosed then |
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begin |
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Result := tag; |
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exit; |
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end; |
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|
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goto NextNode; |
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end else if ch = '<' then |
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begin |
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// ?域????若?? |
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child := IXMLNode.Create; |
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tag := XMLReadNode( f, child ); |
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node.ChildNodes.Add( child ); |
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|
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// ?帥?違???????????? |
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if Length( tag ) > 0 then |
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begin |
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// ???????????????с???????????????域Κ????? |
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if tag <> node.NodeName then |
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Result := tag; |
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exit; |
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end; |
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|
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goto NextNode; |
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end else if ch in kXMLWhite then |
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begin |
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// NodeName 絎?篋? |
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break; |
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end else begin |
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node.NodeName := node.NodeName + ch; |
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|
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if ch in kXMLKanji then |
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begin |
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f.ReadBuffer( ch, 1 ); |
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node.NodeName := node.NodeName + ch; |
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end; |
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end; |
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end; |
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|
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// Attribute ????粋昭??/span> |
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while f.Position < f.Size do |
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begin |
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// Attribute ????????茯??粋昭??/span> |
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attributeName := ''; |
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attributeValue := ''; |
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|
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FileThruWhile( f, kXMLWhite ); |
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|
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while f.Position < f.Size do |
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begin |
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f.ReadBuffer( ch, 1 ); |
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|
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if XMLCloseCheck( f, node, ch, tag, isClosed ) then |
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begin |
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if isClosed then |
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begin |
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// ?帥?違???????????????с???帥?若??/span> |
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// ??odeName ???????????????ч??筝??ч???????????????????? |
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// ???c????????若???? |
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exit; |
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end; |
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|
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// 罨<?????若????/span> |
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goto NextNode; |
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end else if ch = '=' then |
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begin |
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// ???????????ゃ??紮??障?????у???????篋? |
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break; |
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end else if ch in kXMLWhite then |
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begin |
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// Value ??絖?????????(荀?弱?)???ф??????若????/span> |
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goto NextNode; |
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end else begin |
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attributeName := attributeName + ch; |
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|
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if ch in kXMLKanji then |
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begin |
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f.ReadBuffer( ch, 1 ); |
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attributeName := attributeName + ch; |
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end; |
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end; |
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end; |
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|
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// Attribute ???ゃ??茯??粋昭??/span> |
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FileThruWhile( f, kXMLWhite ); |
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|
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while f.Position < f.Size do |
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begin |
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f.ReadBuffer( ch, 1 ); |
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|
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if XMLCloseCheck( f, node, ch, tag, isClosed ) then |
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begin |
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if isClosed then |
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begin |
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if Length( attributeName ) > 0 then |
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// 荀?弱?????????/span> |
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node.AddAttribute( attributeName, attributeValue ); |
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|
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// ?帥?違???????????????с???帥?若??/span> |
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// ??odeName ???????????????ч??筝??ч???????????????????? |
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// ???c????????若???? |
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exit; |
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end; |
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|
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// 罨<?????若????/span> |
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goto NextNode; |
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end else if ch = '"' then |
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begin |
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// ?ゃ?? "" ?ф???????????????????????????????????????????????????? |
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// ?ゃ??筝?????粋昭??/span> |
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last := f.Position; |
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FileThruUntil( f, kXMLDQuote ); |
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tagLen := f.Position - last; |
| 410 |
SetLength( attributeValue, tagLen ); |
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|
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f.Seek( last, soFromBeginning ); |
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f.ReadBuffer( PChar( attributeValue )^, tagLen ); |
| 414 |
|
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node.AddAttribute( attributeName, HtmlDecode( attributeValue ) ); |
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|
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// ?ゃ??茯??睡???c?????х?篋? |
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f.Seek( f.Position + 1, soFromBeginning ); // '"' 蕋??違?? |
| 419 |
break; |
| 420 |
end else if ch in kXMLWhite then |
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begin |
| 422 |
// 荀?弱?????????/span> |
| 423 |
node.AddAttribute( attributeName, HtmlDecode( attributeValue ) ); |
| 424 |
|
| 425 |
goto NextNode; |
| 426 |
end else begin |
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// 荀?弱????????綽????c??????span> |
| 428 |
attributeValue := attributeValue + ch; |
| 429 |
|
| 430 |
if ch in kXMLKanji then |
| 431 |
begin |
| 432 |
f.ReadBuffer( ch, 1 ); |
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attributeValue := attributeValue + ch; |
| 434 |
end; |
| 435 |
end; |
| 436 |
end; |
| 437 |
end; // Attribute ????粋昭??/span> |
| 438 |
|
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NextNode:; |
| 440 |
end; // // node ????粋昭??1 ???若?????ゃ?? 1 ???若??) |
| 441 |
finally |
| 442 |
end; |
| 443 |
end; |
| 444 |
|
| 445 |
procedure LoadXMLDocument( |
| 446 |
const fileName : string; |
| 447 |
var doc : IXMLDocument |
| 448 |
); |
| 449 |
type |
| 450 |
xmlMode = ( xmlHoge ); |
| 451 |
var |
| 452 |
xmlFile : TFileStream; |
| 453 |
begin |
| 454 |
//Result := IXMLDocument.Create; |
| 455 |
//doc := IXMLDocument.Create; |
| 456 |
|
| 457 |
xmlFile := TFileStream.Create( fileName, fmOpenRead ); |
| 458 |
|
| 459 |
try |
| 460 |
XMLReadNode( xmlFile, IXMLNode( doc ) ); |
| 461 |
//XMLReadNode( xmlFile, IXMLNode( Result ) ); |
| 462 |
finally |
| 463 |
xmlFile.Free; |
| 464 |
end; |
| 465 |
|
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//Result := doc; |
| 467 |
|
| 468 |
end; |
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|
| 470 |
end. |