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);
}
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 int ReadTagHeader(StreamAccessor accessor, out bool unsync)
{
const string DIFF_VERSION = @"読み込もうとしている ID3 タグの版は 2.{0}.{1}です。
この関数では 2.3.0 の読み取りにしか対応していません。";
//-------------------------------------------------------
if (accessor.ReadString(EncodingType.CC3) != "ID3")
{
throw new FileFormatException("読み込もうとしているバイナリストリームは ID3 タグではありません。");
}
byte minor = accessor.ReadByte(EncodingType.U1);
byte revision = accessor.ReadByte(EncodingType.U1);
if (minor != 3 || revision != 0)
{
throw new FileFormatException(string.Format(DIFF_VERSION, minor, revision));
}
byte flags = accessor.ReadByte(EncodingType.U1);
unsync = (flags & 0x80) != 0;
this.has_ext = (flags & 0x40) != 0;
this.experimental = (flags & 0x20) != 0;
return(accessor.ReadInt32(EncodingType.Int28BE));
}
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);
}
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);
}
