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patchfile.pas
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patchfile.pas
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unit PatchFile;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, zstream, ComCtrls, Forms;
type
{ TPatchFile }
TPatchFile = class
private
FReference: TStringList;
FSrcText: TStringList;
FDstText: TStringList;
FPairs: TStringList;
FComments: TStringList;
FStatus: TStringList;
FProject: TObject;
FIgnoredVerses: integer;
procedure LoadFromFile(patchfile: string);
function FormatComments(comments: string): string;
public
constructor Create;
constructor Create(patchFile: string; project: TObject); overload;
destructor Destroy; override;
procedure Add(ref, src, dst, pairs, comments: string; status: integer);
procedure Save(patchfile: string);
property Reference: TStringList read FReference;
property SourceText: TStringList read FSrcText;
property DestinationText: TStringList read FDstText;
property Pairs: TStringList read FPairs;
property Comments: TStringList read FComments;
property Status: TStringList read FStatus;
property IgnoredVerses: integer read FIgnoredVerses;
end;
implementation
uses Projeto;
{ TPatchFile }
constructor TPatchFile.Create;
begin
FReference := TStringList.Create();
FSrcText := TStringList.Create();
FDstText := TStringList.Create();
FPairs := TStringList.Create();
FComments := TStringList.Create();
FStatus := TStringList.Create();
end;
constructor TPatchFile.Create(patchFile: string; project: TObject);
begin
Create;
FProject := project;
FIgnoredVerses := 0;
LoadFromFile(patchFile);
end;
destructor TPatchFile.Destroy;
begin
FReference.Free;
FSrcText.Free;
FDstText.Free;
FPairs.Free;
FComments.Free;
FStatus.Free;
end;
procedure TPatchFile.Add(ref, src, dst, pairs, comments: string; status: integer
);
begin
FReference.Add(ref);
FSrcText.Add(src);
FDstText.Add(dst);
FPairs.Add(pairs);
FComments.Add(FormatComments(comments));
FStatus.Add(status.ToString);
end;
procedure TPatchFile.LoadFromFile(patchfile: string);
function VersesAreEqual(patch: TStringArray; project: TProjeto): boolean;
begin
result := false;
try
project.GoToReference(patch[0]);
except
exit;
end;
if patch[1] <> project.ObterTextoVersiculo(tbOrigem) then exit;
if patch[2] <> project.ObterTextoVersiculo(tbDestino) then exit;
if patch[3] <> project.Pairs then exit;
if patch[4] <> FormatComments(project.Comentarios) then exit;
if patch[5].ToInteger <> project.Situacao then exit;
result := true;
end;
var
decompressor: TDecompressionStream;
patch: TMemoryStream;
lines: TStringList;
line: string;
fields: TStringArray;
project: TProjeto;
begin
FReference.Clear;
FSrcText.Clear;
FDstText.Clear;
FPairs.Clear;
FComments.Clear;
FStatus.Clear;
project := TProjeto(FProject);
project.StartScrollingSession;
lines := TStringList.Create;
patch := TMemoryStream.Create;
try
patch.LoadFromFile(PatchFile);
decompressor := TDecompressionStream.Create(patch);
lines.LoadFromStream(decompressor);
for line in lines do
begin
fields := line.Split(#9);
if assigned(project) and VersesAreEqual(fields, project) then
begin
inc(FIgnoredVerses);
continue;
end;
FReference.Add(fields[0]);
FSrcText. Add(fields[1]);
FDstText. Add(fields[2]);
FPairs. Add(fields[3]);
FComments. Add(fields[4].Replace('<crlf/>', #13#10).Replace('<lf/>', #10));
FStatus. Add(fields[5]);
end;
finally
lines.Free;
decompressor.Free;
patch.Free;
project.FinishScrollingSession;
end;
end;
function TPatchFile.FormatComments(comments: string): string;
begin
result := comments.Replace(#13#10, '<crlf/>').Replace(#10, '<lf/>')
end;
procedure TPatchFile.Save(patchfile: string);
var
i: integer;
patch: TStringList;
zpatch: TMemoryStream; // compressed patch
compressor: TCompressionStream;
begin
patch := TStringList.Create;
zpatch := TMemoryStream.Create;
compressor := TCompressionStream.create(clMax, zpatch);
try
for i:=0 to FReference.Count-1 do
patch.Add(Format('%s'#9'%s'#9'%s'#9'%s'#9'%s'#9'%s', [FReference[i], FSrcText[i], FDstText[i], FPairs[i], FComments[i], FStatus[i]]));
patch.SaveToStream(compressor);
compressor.flush;
zpatch.SaveToFile(patchfile);
finally
compressor.Free;
zpatch.Free;
patch.Free;
end;
end;
end.