0.34b/FileClasses/_FileTypes.pas

unit _FileTypes;

interface

uses
  TypeDefs, _DataTypes;


type
  TFile = class
    private
      FConnectionID: Integer;
      FFileID: Integer;

      FDatLinks: TDatLinkList;
      FDataFields: TDataFields;
      FRawParts: TRawDataList;

      function GetDatLinkByOffset(Offset: Integer): TDatLink;
      function GetDatLinkByIndex(ID: Integer): TDatLink;
      function GetFieldByOffset(Offset: Integer): TDataField;
      function GetFieldByIndex(ID: Integer): TDataField;
      function GetRawPartByOffset(Offset: Integer): TRawDataInfo;
      function GetRawPartByIndex(ID: Integer): TRawDataInfo;
    public
      constructor Create(ConnectionID, FileID: Integer);
      
      property LinkByOffset[Offset: Integer]: TDatLink read GetDatLinkByOffset;
      property LinkByIndex[ID: Integer]: TDatLink read GetDatLinkByIndex;

      property FieldByOffset[Offset: Integer]: TDataField read GetFieldByOffset;
      property FieldByIndex[ID: Integer]: TDataField read GetFieldByIndex;

      property RawPartByOffset[Offset: Integer]: TRawDataInfo read GetRawPartByOffset;
      property RawPartByIndex[ID: Integer]: TRawDataInfo read GetRawPartByIndex;
  end;


implementation

uses
  DatLinks, RawList;

{ TFileType }

constructor TFile.Create(ConnectionID, FileID: Integer);
begin
  FConnectionID := ConnectionID;
  FFileID := FileID;

  FDatLinks := DatLinksManager.GetDatLinks(ConnectionID, FileID);
  FRawParts := RawLists.GetRawList(ConnectionID, FileID);
end;


function TFile.GetDatLinkByIndex(ID: Integer): TDatLink;
begin
  if ID < Length(FDatLinks) then
    Result := FDatLinks[ID]
  else
    with Result do
    begin
      SrcOffset := -1;
      DestID := -1;
      PosDestExts := '';
    end;
end;

function TFile.GetDatLinkByOffset(Offset: Integer): TDatLink;
var
  i: Integer;
begin
  Result.SrcOffset := -1;
  Result.DestID := -1;
  Result.PosDestExts := '';
  
  if Length(FDatLinks) > 0 then
  begin
    for i := 0 to High(FDatLinks) do
      if FDatLinks[i].SrcOffset = Offset then
        break;
    if i < Length(FDatLinks) then
      Result := FDatLinks[i];
  end;
end;


function TFile.GetFieldByIndex(ID: Integer): TDataField;
begin
  if ID < Length(FDataFields) then
    Result := FDataFields[ID]
  else
    Result := nil;
end;

function TFile.GetFieldByOffset(Offset: Integer): TDataField;
var
  i: Integer;
begin
  Result := nil;

  if Length(FDataFields) > 0 then
  begin
    for i := 0 to High(FDataFields) do
      if FDataFields[i].Offset = Offset then
        break;
    if i < Length(FDataFields) then
      Result := FDataFields[i];
  end;
end;


function TFile.GetRawPartByIndex(ID: Integer): TRawDataInfo;
begin
  if ID < Length(FRawParts) then
    Result := FRawParts[ID]
  else
    with Result do
    begin
      SrcID := -1;
      SrcOffset := -1;
      RawAddr := -1;
      RawSize := -1;
    end;
end;

function TFile.GetRawPartByOffset(Offset: Integer): TRawDataInfo;
var
  i: Integer;
begin
  with Result do
  begin
    SrcID := -1;
    SrcOffset := -1;
    RawAddr := -1;
    RawSize := -1;
  end;

  if Length(FRawParts) > 0 then
  begin
    for i := 0 to High(FRawParts) do
      if FRawParts[i].SrcOffset = Offset then
        break;
    if i < Length(FRawParts) then
      Result := FRawParts[i];
  end;
end;

end.
Revision:	205
Committed:	Sun May 27 20:07:55 2007 UTC (18 years, 11 months ago) by alloc
Content type:	text/x-pascal
File size:	3422 byte(s)
Log Message:
#	Content
1	unit _FileTypes;
2
3	interface
4
5	uses
6	TypeDefs, _DataTypes;
7
8
9	type
10	TFile = class
11	private
12	FConnectionID: Integer;
13	FFileID: Integer;
14
15	FDatLinks: TDatLinkList;
16	FDataFields: TDataFields;
17	FRawParts: TRawDataList;
18
19	function GetDatLinkByOffset(Offset: Integer): TDatLink;
20	function GetDatLinkByIndex(ID: Integer): TDatLink;
21	function GetFieldByOffset(Offset: Integer): TDataField;
22	function GetFieldByIndex(ID: Integer): TDataField;
23	function GetRawPartByOffset(Offset: Integer): TRawDataInfo;
24	function GetRawPartByIndex(ID: Integer): TRawDataInfo;
25	public
26	constructor Create(ConnectionID, FileID: Integer);
27
28	property LinkByOffset[Offset: Integer]: TDatLink read GetDatLinkByOffset;
29	property LinkByIndex[ID: Integer]: TDatLink read GetDatLinkByIndex;
30
31	property FieldByOffset[Offset: Integer]: TDataField read GetFieldByOffset;
32	property FieldByIndex[ID: Integer]: TDataField read GetFieldByIndex;
33
34	property RawPartByOffset[Offset: Integer]: TRawDataInfo read GetRawPartByOffset;
35	property RawPartByIndex[ID: Integer]: TRawDataInfo read GetRawPartByIndex;
36	end;
37
38
39	implementation
40
41	uses
42	DatLinks, RawList;
43
44	{ TFileType }
45
46	constructor TFile.Create(ConnectionID, FileID: Integer);
47	begin
48	FConnectionID := ConnectionID;
49	FFileID := FileID;
50
51	FDatLinks := DatLinksManager.GetDatLinks(ConnectionID, FileID);
52	FRawParts := RawLists.GetRawList(ConnectionID, FileID);
53	end;
54
55
56	function TFile.GetDatLinkByIndex(ID: Integer): TDatLink;
57	begin
58	if ID < Length(FDatLinks) then
59	Result := FDatLinks[ID]
60	else
61	with Result do
62	begin
63	SrcOffset := -1;
64	DestID := -1;
65	PosDestExts := '';
66	end;
67	end;
68
69	function TFile.GetDatLinkByOffset(Offset: Integer): TDatLink;
70	var
71	i: Integer;
72	begin
73	Result.SrcOffset := -1;
74	Result.DestID := -1;
75	Result.PosDestExts := '';
76
77	if Length(FDatLinks) > 0 then
78	begin
79	for i := 0 to High(FDatLinks) do
80	if FDatLinks[i].SrcOffset = Offset then
81	break;
82	if i < Length(FDatLinks) then
83	Result := FDatLinks[i];
84	end;
85	end;
86
87
88	function TFile.GetFieldByIndex(ID: Integer): TDataField;
89	begin
90	if ID < Length(FDataFields) then
91	Result := FDataFields[ID]
92	else
93	Result := nil;
94	end;
95
96	function TFile.GetFieldByOffset(Offset: Integer): TDataField;
97	var
98	i: Integer;
99	begin
100	Result := nil;
101
102	if Length(FDataFields) > 0 then
103	begin
104	for i := 0 to High(FDataFields) do
105	if FDataFields[i].Offset = Offset then
106	break;
107	if i < Length(FDataFields) then
108	Result := FDataFields[i];
109	end;
110	end;
111
112
113	function TFile.GetRawPartByIndex(ID: Integer): TRawDataInfo;
114	begin
115	if ID < Length(FRawParts) then
116	Result := FRawParts[ID]
117	else
118	with Result do
119	begin
120	SrcID := -1;
121	SrcOffset := -1;
122	RawAddr := -1;
123	RawSize := -1;
124	end;
125	end;
126
127	function TFile.GetRawPartByOffset(Offset: Integer): TRawDataInfo;
128	var
129	i: Integer;
130	begin
131	with Result do
132	begin
133	SrcID := -1;
134	SrcOffset := -1;
135	RawAddr := -1;
136	RawSize := -1;
137	end;
138
139	if Length(FRawParts) > 0 then
140	begin
141	for i := 0 to High(FRawParts) do
142	if FRawParts[i].SrcOffset = Offset then
143	break;
144	if i < Length(FRawParts) then
145	Result := FRawParts[i];
146	end;
147	end;
148
149	end.