internal static List read(StreamAccessor accessor)
{
List ret = new List();
if ("LIST" != accessor.ReadString(EncodingType.CC4))
{
throw new System.ApplicationException("読み込もうとしているデータは LIST チャンクではないです。");
}
uint size = accessor.ReadUInt32(EncodingType.U4);
ret.type = accessor.ReadString(EncodingType.CC4);
ret.chunks = new Gen::List <Chunk>();
StreamAccessor acChunks = new StreamAccessor(accessor.ReadSubStream(size - 4));
try{
while (acChunks.RestLength > 0)
{
ret.chunks.Add(acChunks.Read <Chunk>());
}
}finally{
acChunks.Stream.Close();
}
return(ret);
}
private static new RiffFile read(StreamAccessor accessor)
{
if ("RIFF" != accessor.ReadString(EncodingType.CC4))
{
throw new System.ApplicationException("指定したデータは RIFF データではありません。");
}
RiffFile ret = new RiffFile();
uint size = accessor.ReadUInt32(EncodingType.U4);
ret.type = accessor.ReadString(EncodingType.CC4);
ret.chunks = new Gen::List <Chunk>();
StreamAccessor acChunks = new StreamAccessor(accessor.ReadSubStream(size - 4));
try{
while (acChunks.RestLength > 0)
{
ret.chunks.Add(acChunks.Read <Chunk>());
}
}finally{
acChunks.Stream.Close();
}
return(ret);
}
private void ReadExtHeader(StreamAccessor accessor, out uint crc32, out int padding)
{
uint num = accessor.ReadUInt32(EncodingType.U4BE);
if ((num != 6) && (num != 10))
{
throw new FileFormatException("Extended Header Size は 6B 亦は 10B で在るべきです。");
}
ushort num2 = accessor.ReadUInt16(EncodingType.I2BE);
this.hascrc = (num2 & 0x8000) != 0;
if (num != (this.hascrc ? ((long)10) : ((long)6)))
{
throw new FileFormatException(string.Format("Extended Header Size の大きさが不正です。\r\nCRC Checkを{0}場合には{1}B であるべきです。", this.hascrc ? "行う" : "行わない", this.hascrc ? "10" : "6"));
}
padding = accessor.ReadInt32(EncodingType.U4BE);
crc32 = this.hascrc ? accessor.ReadUInt32(EncodingType.U4BE) : 0;
}
private static ImageDirectory read(StreamAccessor accessor)
{
ImageDirectory dir = new ImageDirectory(accessor.ReadString(EncodingType.NoSpecified));
uint count = accessor.ReadUInt32(EncodingType.U4);
for (int i = 0; i < count; i++)
{
dir.images.Add(accessor.ReadInt32(EncodingType.I4));
}
dir.dirs = accessor.Read <DirectoryCollection>();
return(dir);
}
public static unsafe void WritePEChecksum(string filePath, uint checkSum)
{
using (var accessor = new StreamAccessor(new FileStream(filePath, FileMode.Open, FileAccess.ReadWrite)))
{
// DOS
DOSHeader dosHeader;
fixed(byte *pBuff = accessor.ReadBytes(PEConstants.DosHeaderSize))
{
dosHeader = *(DOSHeader *)pBuff;
}
if (dosHeader.Signature != PEConstants.DosSignature)
{
throw new BadImageFormatException(SR.DOSHeaderSignatureNotValid);
}
accessor.Position = dosHeader.Lfanew;
// NT Signature
if (accessor.ReadUInt32() != PEConstants.NTSignature)
{
throw new BadImageFormatException(SR.PESignatureNotValid);
}
// COFF
accessor.ReadBytes(PEConstants.COFFHeaderSize);
// PE
ushort peMagic = accessor.ReadUInt16();
if (peMagic == PEConstants.PEMagic32)
{
accessor.ReadBytes(62);
}
else if (peMagic == 0x20b)
{
accessor.ReadBytes(62);
}
else
{
throw new BadImageFormatException(SR.PEHeaderSignatureNotValid);
}
accessor.Write((uint)checkSum);
}
}
private static Chunk read(StreamAccessor accessor)
{
string name = accessor.ReadString(EncodingType.CC4);
if (name == "LIST")
{
accessor.Stream.Seek(-4, System.IO.SeekOrigin.Current);
return(List.read(accessor));
}
Chunk ret = new Chunk(name);
uint size = accessor.ReadUInt32(EncodingType.U4);
ret._stream = accessor.ReadSubStream(size);
return(ret);
}
private static DirectoryCollection read(StreamAccessor accessor)
{
DirectoryCollection ret = new DirectoryCollection();
uint size = accessor.ReadUInt32(EncodingType.U4);
StreamAccessor acdirs = new StreamAccessor(accessor.ReadSubStream(size));
try{
while (acdirs.RestLength > 0)
{
ImageDirectory item = acdirs.Read <ImageDirectory>();
ret.Add(item);
ret.paths[item.name] = item;
}
}catch (afh.File.StreamOverRunException) {
}catch (System.Exception e) {
afh.File.__dll__.log.WriteError(e, ".thm 内の画像ディレクトリを読込中にエラーが発生しました。");
}
return(ret);
}
