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UPD: Continue to implement determining archive type by signature for MultiArchiveFileSource

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This commit is contained in:
Alexander Koblov 2010-04-25 07:38:48 +00:00
commit c15d06c560
3 changed files with 13 additions and 0 deletions
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2
doc/en/multiarc.html
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@ -287,6 +287,7 @@ p,ul,ol /* Paragraph Style */
<p class=rvps3><span class=rvts20>ID</span><span class=rvts21> (optional) archive ID (2-digit hex numbers delimited with spaces). </span></p>
<p class=rvps3><span class=rvts20>IDPos</span><span class=rvts21> (optional) ID position in archive. If not present, ID will be searched in starting part of archive. You can define the positions with "-" sign. In this case the positions will be calculated from end of file. Special value &lt;SeekID&gt; determinated search ID if not found by numeric values of IDPos. Seek in range 0 - (Smalest of Size of file or IDSeekRange). Values can be writed as decimal (12345) or heximal (03039). For negative values use notation 0xFFFFFFFF (-1).</span></p>
<p class=rvps3><span class=rvts20>IDSeekRange</span><span class=rvts21> (optional) count of bytes where ID seek if defined &lt;SeekID&gt;. By default IDSeekRange = 1Mb. See </span><span class=rvts20>IDPOS</span><span class=rvts21>. </span></p>
<!--
<p class=rvps3><span class=rvts20>ExcludeIDs</span><span class=rvts21> (optional) Signatures if found in file, file defined as the "process imposible".</span></p>
<p class=rvps3><span class=rvts21>This opportunity entered for correct process files, generated&nbsp; InnoSetup, NSIS (NullSoft Instalation System) or other.</span></p>
<p class=rvps3><span class=rvts21>Algoritm of working of parameter:</span></p>
@ -325,6 +326,7 @@ p,ul,ol /* Paragraph Style */
<p class=rvps3><span class=rvts21>0&nbsp; 1&nbsp; 2&nbsp; 3&nbsp; 4&nbsp; 5&nbsp; 6&nbsp; 7&nbsp; 8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; EOF </span></p>
<p class=rvps3><span class=rvts21>xx xx xx xx xx 01 02 03 04 .............. 08&nbsp;&nbsp; rule 08,-1, 1</span></p>
<p class=rvps3><span class=rvts21>xx xx xx xx xx 01 03 02 xx .............. 08</span></p>
-->
<p class=rvps3><span class=rvts20>Extension</span><span class=rvts21> archive format extension (without dot). </span></p>
<p class=rvps3><span class=rvts22>Note:</span><span class=rvts21>All above parameters can be defined with multiple values. You can use comma to separate those multiple values. </span></p>
<p class=rvps3><span class=rvts20>Description</span><span class=rvts21> archive description. A short string - version, author etc.</span></p>

2
doc/ru/multiarc.html
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@ -283,6 +283,7 @@ p,ul,ol /* Paragraph Style */
<p class=rvps4><span class=rvts21>IDPos = 0х3039</span></p>
<p class=rvps4><span class=rvts21>Отрицательные значения в шестнадцатеричном виде описываются как 0xFFFFFFFF (-1 в десятичном)</span></p>
<p class=rvps4><span class=rvts20>IDSeekRange</span><span class=rvts21> (необязательный) число байт, в котором MultiArc будет пытаться найти ID.Если параметр отсутствует, будет использовано меньшее из значений Размер_файла или 1Мбайт. Поиск всегда происходит от начала файла, SkipSfxHeader игнорируется. Это может замедлить открытие архивов или поиск в архиве. Если отсутствует IDPOS, тогда используется поиск ID в диаппазонеот начала файла до меньшего из значений -- (размер файла, IDSeekRange).</span></p>
<!--
<p class=rvps4><span class=rvts20>ExcludeIDs</span><span class=rvts21> (необязательный)&nbsp; Сигнатура при нахождении которой файл определяется как "Обработать не возможно". </span></p>
<p class=rvps4><span class=rvts21>Данная возможность введена для корректной обработки файлов генерируемых программами InnoSetup, NSIS (NullSoft Instalation System) и возможно другими.</span></p>
<p class=rvps4><span class=rvts21>Алгоритм работы данного параметра:</span></p>
@ -319,6 +320,7 @@ p,ul,ol /* Paragraph Style */
<p class=rvps4><span class=rvts21>0&nbsp; 1&nbsp; 2&nbsp; 3&nbsp; 4&nbsp; 5&nbsp; 6&nbsp; 7&nbsp; 8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; EOF </span></p>
<p class=rvps4><span class=rvts21>xx xx xx xx xx 01 02 03 04 .............. 08&nbsp;&nbsp; правило (08,-1, 1)</span></p>
<p class=rvps4><span class=rvts21>xx xx xx xx xx 01 03 02 xx .............. 08</span></p>
-->
<p class=rvps4><span class=rvts20>Extension</span><span class=rvts21> расширения, которые используются архивами (без точки).</span></p>
<p class=rvps4><span class=rvts20>Description</span><span class=rvts21> Описание архиватора. Строка содержащая версию, автора и т.п. </span></p>
<p class=rvps4><span class=rvts22>Пример:</span></p>

9
src/umultiarc.pas
View file

@ -105,12 +105,14 @@ type
FAdd,
FAddMultiVolume,
FAddSelfExtract: UTF8String;
FIDSeekRange: LongInt;
public
FEnabled: Boolean;
FOutput: Boolean;
FDebug: Boolean;
constructor Create;
destructor Destroy; override;
function CanYouHandleThisFile(const FileName: UTF8String): Boolean;
property FID: AnsiString read FSignature write SetSignature;
property FIDPos: AnsiString read FSignaturePosition write SetSignaturePosition;
end;
@ -212,6 +214,7 @@ begin
FDescription:= TrimQuotes(IniFile.ReadString(Section, 'Description', EmptyStr));
FID:= TrimQuotes(IniFile.ReadString(Section, 'ID', EmptyStr));
FIDPos:= TrimQuotes(IniFile.ReadString(Section, 'IDPos', EmptyStr));
FIDSeekRange:= IniFile.ReadInteger(Section, 'IDSeekRange', 0);
FExtension:= TrimQuotes(IniFile.ReadString(Section, 'Extension', EmptyStr));
FStart:= TrimQuotes(IniFile.ReadString(Section, 'Start', EmptyStr));
FEnd:= TrimQuotes(IniFile.ReadString(Section, 'End', EmptyStr));
@ -264,6 +267,7 @@ begin
IniFile.WriteString(Section, 'Description', FDescription);
IniFile.WriteString(Section, 'ID', FID);
IniFile.WriteString(Section, 'IDPos', FIDPos);
IniFile.WriteInteger(Section, 'IDSeekRange', FIDSeekRange);
IniFile.WriteString(Section, 'Extension', FExtension);
IniFile.WriteString(Section, 'Start', FStart);
IniFile.WriteString(Section, 'End', FEnd);
@ -372,6 +376,11 @@ begin
inherited Destroy;
end;
function TMultiArcItem.CanYouHandleThisFile(const FileName: UTF8String): Boolean;
begin
end;
{ TSignatureList }
function TSignatureList.GetSignature(Index: Integer): PSignature;