98 lines
2.0 KiB
Plaintext
98 lines
2.0 KiB
Plaintext
unit UWriter;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, UFilter, crt, fgl;
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type
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TWriter = class
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public
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procedure WriteContent(AContent: String;
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AHighlights: THighlights); virtual; abstract;
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end;
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TWriterList = specialize TFPGObjectList<TWriter>;
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{ TConsoleWriter }
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TConsoleWriter = class(TWriter)
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public
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procedure WriteContent(AContent: String;
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AHighlights: THighlights); override;
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end;
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{ THTMLWriter }
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THTMLWriter = class(TWriter)
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protected
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FFileStream: TFileStream;
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procedure WriteLine(AContent: String);
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public
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constructor Create(AFileName: String);
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destructor Destroy; override;
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procedure WriteContent(AContent: String;
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AHighlights: THighlights); override;
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end;
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implementation
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{ THTMLWriter }
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procedure THTMLWriter.WriteLine(AContent: String);
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begin
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AContent := AContent + LineEnding;
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FFileStream.Write(AContent[1], Length(AContent));
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end;
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constructor THTMLWriter.Create(AFileName: String);
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begin
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FFileStream := TFileStream.Create(AFileName, fmCreate);
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WriteLine('<html>');
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WriteLine('<body>');
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end;
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destructor THTMLWriter.Destroy;
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begin
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WriteLine('</body>');
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WriteLine('</html>');
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FFileStream.Free;
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inherited Destroy;
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end;
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procedure THTMLWriter.WriteContent(AContent: String; AHighlights: THighlights);
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begin
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end;
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{ TConsoleWriter }
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procedure TConsoleWriter.WriteContent(AContent: String; AHighlights: THighlights
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);
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var
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matchPos, offset, lastPos: Integer;
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highlight: THighlight;
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begin
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lastPos := 1;
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for highlight in AHighlights do
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begin
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matchPos := highlight.Start;
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offset := highlight.Length;
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write(Copy(AContent, lastPos, matchPos - lastPos));
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if highlight.FGColor < $FF then
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TextColor(highlight.FGColor);
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if highlight.BGColor < $FF then
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TextBackground(highlight.BGColor);
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write(Copy(AContent, matchPos, offset));
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NormVideo;
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lastPos := matchPos + offset;
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end;
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writeln(Copy(AContent, lastPos, Length(AContent)));
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end;
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end.
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