private static void write(Chunk chunk, StreamAccessor accessor)
{
accessor.Write(chunk.name, EncodingType.CC4);
StreamAccessor ac2 = new StreamAccessor(accessor.WriteSubStream(4));
long pos0 = accessor.Position;
// 内容
if (chunk.content != null)
{
if (chunk.content is byte[])
{
accessor.Write((byte[])chunk.content);
}
else if (chunk.content is System.IO.Stream)
{
accessor.WriteStream((System.IO.Stream)chunk.content);
}
else
{
RiffChunkReadWriteAttribute.Write(chunk.content, accessor);
}
}
else if (chunk._data != null)
{
accessor.Write(chunk._data);
}
else if (chunk._stream != null)
{
accessor.WriteStream(chunk.Stream);
}
ac2.Write(checked ((uint)(accessor.Position - pos0)), EncodingType.U4);
ac2.Stream.Close();
}
private void WriteTagHeader(StreamAccessor accessor, bool unsync, out long pos_size)
{
accessor.Write("ID3", EncodingType.F4BE);
accessor.Write((byte)3, EncodingType.U1);
accessor.Write((byte)0, EncodingType.U1);
byte num = 0;
if (unsync)
{
num = (byte)(num | 0x80);
}
if (this.has_ext)
{
num = (byte)(num | 0x40);
}
if (this.experimental)
{
num = (byte)(num | 0x20);
}
accessor.Write(num, EncodingType.U1);
pos_size = accessor.Position;
accessor.Skip(4L);
}
private static void write_chunk(ImageCollection images, StreamAccessor accessor)
{
accessor.Write(images.count, EncodingType.I4);
foreach (Thumb thm in images.sorted)
{
accessor.Write(thm);
}
}
private static void write(ImageDirectory dir, StreamAccessor accessor)
{
accessor.Write(dir.name, EncodingType.NoSpecified);
accessor.Write((uint)dir.images.Count, EncodingType.U4);
foreach (int index in dir.images)
{
accessor.Write(index, EncodingType.I4);
}
accessor.Write(dir.dirs);
}
internal void Save()
{
if (!_isChanged && !_isNew)
{
return;
}
if (_isNew)
{
// Set paths
string fileName = _module.NameChanged ? _module.NewName : _module.Name;
var assembly = (BuildAssembly)_module.Assembly;
string outputPath = assembly.OutputPath;
if (outputPath == null)
{
outputPath = Path.GetDirectoryName(assembly.Location);
}
_outputFilePath = Path.Combine(outputPath, fileName);
_stateFilePath = _outputFilePath + ".adstate";
_buildFilePath = _outputFilePath + ".adbuild";
}
using (var accessor = new StreamAccessor(new FileStream(_stateFilePath, FileMode.Create, FileAccess.Write, FileShare.None)))
{
accessor.Write7BitEncodedInt(_bufferLength);
accessor.Write(_buffer, 0, _bufferLength);
_objects.Serialize(accessor);
_blobs.Serialize(accessor);
var signatureBlob = new Blob();
_signatures.Serialize(new BlobAccessor(signatureBlob));
var stringBlob = new Blob();
_strings.Serialize(new BlobAccessor(stringBlob));
StrongCryptoUtils.Encrypt(stringBlob.GetBuffer(), 0, stringBlob.Length);
accessor.Write7BitEncodedInt(stringBlob.Length);
accessor.Write(stringBlob.GetBuffer(), 0, stringBlob.Length);
accessor.Write(signatureBlob.GetBuffer(), 0, signatureBlob.Length);
}
_isNew = false;
_isChanged = false;
}
//=================================================
// 他
//=================================================
/// <summary>
/// ファイルを保存します。
/// </summary>
public void Save()
{
StreamAccessor accessor = new StreamAccessor(System.IO.File.OpenWrite(this.filename));
accessor.Write(this);
accessor.Stream.Close();
}
private void WriteExtHeader(StreamAccessor accessor, out StreamAccessor str_crc32)
{
accessor.Write(this.hascrc ? 10 : 6, EncodingType.U4BE);
ushort num = this.hascrc ? ((ushort)0x8000) : ((ushort)0);
accessor.Write(num, EncodingType.U2BE);
accessor.Write((uint)0, EncodingType.U4BE);
if (this.hascrc)
{
str_crc32 = new StreamAccessor(accessor.WriteSubStream(4L));
}
else
{
str_crc32 = null;
}
}
private static void write(RiffFile value, StreamAccessor accessor)
{
accessor.Write("RIFF", EncodingType.CC4);
StreamAccessor acSize = new StreamAccessor(accessor.WriteSubStream(4));
long pos0 = accessor.Position;
accessor.Write(value.type, EncodingType.CC4);
foreach (Chunk chunk in value.chunks)
{
accessor.Write(chunk, EncodingType.NoSpecified);
}
uint size = checked ((uint)(accessor.Position - pos0));
acSize.Write(size, EncodingType.U4);
acSize.Stream.Close();
}
private static void write(DirectoryCollection dirs, StreamAccessor accessor)
{
StreamAccessor acSize = new StreamAccessor(accessor.WriteSubStream(4));
long pos0 = accessor.Position;
foreach (ImageDirectory childdir in dirs)
{
accessor.Write(childdir);
}
acSize.Write(checked ((uint)(accessor.Position - pos0)), EncodingType.U4);
acSize.Stream.Close();
}
public static unsafe void WriteToStream(Tag tag, StreamAccessor accessor)
{
tag.Encode();
byte[] buffer = new byte[0x80];
fixed(byte *data = buffer)
{
tagID3v1_1 *pDst = (tagID3v1_1 *)data;
*pDst = tag.data;
}
accessor.Write(buffer);
}
internal void Serialize(StreamAccessor accessor)
{
var bufferBlob = new Blob();
var bufferAccessor = new BlobAccessor(bufferBlob);
accessor.Write7BitEncodedInt(_count);
var entries = new Entry[_count];
for (int i = 0; i < _count; i++)
{
int offset = (int)bufferAccessor.Position;
var item = _items[i];
if (item != null && item.IsChanged)
{
item.Write(bufferAccessor);
}
else if (_entries != null && _entries.Length > i)
{
int existingSize = _entries[i].Size;
if (existingSize > 0)
{
bufferAccessor.Write(_buffer, _entries[i].Offset, existingSize);
}
}
int size = (int)bufferAccessor.Position - offset;
accessor.Write7BitEncodedInt(offset);
accessor.Write7BitEncodedInt(size);
entries[i] =
new Entry()
{
Offset = offset,
Size = size,
};
}
_entries = entries;
_buffer = bufferBlob.ToArray();
Array.Clear(_items, 0, _count);
accessor.Write7BitEncodedInt(_buffer.Length);
if (_buffer.Length > 0)
{
accessor.Write(_buffer, 0, _buffer.Length);
}
}
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);
}
}
public static void WriteToStream(Tag value, StreamAccessor accessor, out System.Action <long> SetSize)
{
long pos_size;
Stream stream = new MemoryStream();
StreamAccessor accessor2 = new StreamAccessor(stream);
StreamAccessor accessor3 = null;
long start = 0L;
if (value.has_ext)
{
value.WriteExtHeader(accessor2, out accessor3);
start = stream.Position;
}
foreach (Frame frame in value.frames.Values)
{
accessor2.WriteAs <Frame>(frame);
}
if (value.has_ext)
{
long length = stream.Position - start;
accessor3.Write(ID3Utils.CalculateCRC32(stream, start, length), EncodingType.U4BE);
accessor3.Stream.Close();
}
bool unsync = ID3Utils.ID3RequiredUnsync(stream);
if (unsync)
{
Stream stream2 = ID3Utils.ID3Unsynchronize(stream);
stream.Close();
stream = stream2;
}
value.WriteTagHeader(accessor, unsync, out pos_size);
SetSize = delegate(long size){
if (size > StreamAccessor.MaxUInt28)
{
throw new System.ArgumentOutOfRangeException("Tag の情報量が多すぎて保存できません。Tag の内容は 256MB より小さくなる様にして下さい");
}
accessor.PushPosition(pos_size);
accessor.Write((uint)size, EncodingType.UInt28BE);
accessor.PopPosition();
};
accessor.WriteStream(stream);
}
