internal void ReadHeader()
{
if (!isStarted)
{
throw new InvalidOperationException("LoadStartが呼び出されていません");
}
long streamSize = reader.BaseStream.Length - seekOrigin;
if (streamSize < 0x60)
{
throw new HspDecoderException("AxData", "ファイルヘッダーが見つかりません");
}
try
{
header = AxHeader.FromBinaryReader(reader);
}
catch (SystemException e)
{
throw new HspDecoderException("AxHeader", "ヘッダー解析中に想定外のエラー", e);
}
return;
}
static internal AxHeader FromBinaryReader(BinaryReader reader)
{
long seekOrigin = reader.BaseStream.Position;
AxHeader header = new AxHeader();
try
{
header.fileType = new string(reader.ReadChars(4));
for (int i = 1; i < 21; i++)
{
header.data[i] = reader.ReadUInt32();
}
header.data[21] = reader.ReadUInt16();
header.data[22] = reader.ReadUInt16();
header.data[23] = reader.ReadUInt32();
header.data[24] = reader.ReadUInt32();
}
catch (Exception e)
{
throw new HspDecoderException("AxHeader", "ファイル形式が違います", e);
}
header.checkHeader(reader.BaseStream.Length - seekOrigin);
return(header);
}
