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(Xp3Opener.SkipExeHeader): made static.

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This commit is contained in:
morkt 2017-12-06 08:53:17 +04:00
parent 6c1b8641c2
commit 19a6f9f125
1 changed files with 7 additions and 9 deletions
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16
ArcFormats/KiriKiri/ArcXP3.cs
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@ -92,8 +92,6 @@ namespace GameRes.Formats.KiriKiri
Signatures = new uint[] { 0x0d335058, 0 }; Signatures = new uint[] { 0x0d335058, 0 };
} }
static readonly string SignatureBytes = "XP3\x0d\x0a\x20\x0a\x1a\x8b\x67\x01";
static readonly byte[] s_xp3_header = { static readonly byte[] s_xp3_header = {
(byte)'X', (byte)'P', (byte)'3', 0x0d, 0x0a, 0x20, 0x0a, 0x1a, 0x8b, 0x67, 0x01 (byte)'X', (byte)'P', (byte)'3', 0x0d, 0x0a, 0x20, 0x0a, 0x1a, 0x8b, 0x67, 0x01
}; };
@ -106,8 +104,8 @@ namespace GameRes.Formats.KiriKiri
{ {
long base_offset = 0; long base_offset = 0;
if (0x5a4d == file.View.ReadUInt16 (0)) // 'MZ' if (0x5a4d == file.View.ReadUInt16 (0)) // 'MZ'
base_offset = SkipExeHeader (file); base_offset = SkipExeHeader (file, s_xp3_header);
if (!file.View.AsciiEqual (base_offset, SignatureBytes)) if (!file.View.BytesEqual (base_offset, s_xp3_header))
return null; return null;
long dir_offset = base_offset + file.View.ReadInt64 (base_offset+0x0b); long dir_offset = base_offset + file.View.ReadInt64 (base_offset+0x0b);
if (dir_offset < 0x13 || dir_offset >= file.MaxOffset) if (dir_offset < 0x13 || dir_offset >= file.MaxOffset)
@ -302,22 +300,22 @@ NextEntry:
entry.UnpackedSize = entry.Segments[0].Size; entry.UnpackedSize = entry.Segments[0].Size;
} }
private long SkipExeHeader (ArcView file) internal static long SkipExeHeader (ArcView file, byte[] signature)
{ {
var exe = new ExeFile (file); var exe = new ExeFile (file);
if (exe.ContainsSection (".rsrc")) if (exe.ContainsSection (".rsrc"))
{ {
var offset = exe.FindString (exe.Sections[".rsrc"], s_xp3_header); var offset = exe.FindString (exe.Sections[".rsrc"], signature);
if (offset != -1 && 0 != file.View.ReadUInt32 (offset+s_xp3_header.Length)) if (offset != -1 && 0 != file.View.ReadUInt32 (offset+signature.Length))
return offset; return offset;
} }
var section = exe.Overlay; var section = exe.Overlay;
while (section.Offset < file.MaxOffset) while (section.Offset < file.MaxOffset)
{ {
var offset = exe.FindString (section, s_xp3_header, 0x10); var offset = exe.FindString (section, signature, 0x10);
if (-1 == offset) if (-1 == offset)
break; break;
if (0 != file.View.ReadUInt32 (offset+s_xp3_header.Length)) if (0 != file.View.ReadUInt32 (offset+signature.Length))
return offset; return offset;
section.Offset = offset + 0x10; section.Offset = offset + 0x10;
section.Size = (uint)(file.MaxOffset - section.Offset); section.Size = (uint)(file.MaxOffset - section.Offset);