public Tag(byte[] image, int offset)
{
this.header = new TagHeader(image, offset);
BinarySubstr data = this.header.content;
#if DEBUG
__dll__.log.Lock();
__dll__.log.WriteLine("[ID3v2.3.0 Tag]");
__dll__.log.AddIndent();
__dll__.log.WriteVar("IsExperimentalTag", this.header.experimental.ToString());
__dll__.log.WriteVar("Unsynchronization", this.header.unsynchronization.ToString());
__dll__.log.WriteVar("HasExtendedHeader", this.header.hasExtHeader.ToString());
#endif
if (this.header.hasExtHeader)
{
this.extheader = new ExtendedHeader(data);
#if DEBUG
__dll__.log.WriteVar("PaddingSize", this.extheader.paddingSize.ToString());
__dll__.log.WriteVar("HasCRC32", this.extheader.hasCrc32.ToString());
#endif
if (this.extheader.hasCrc32)
{
uint crc32 = data.CalculateCRC32();
__dll__.log.WriteLine(" CRC32 Check: 実 {0:X8} --><-- {1:X8} 理", crc32, this.extheader.crc32);
if (crc32 != this.extheader.crc32)
{
throw new System.ApplicationException("Crc 値が一致しません。");
}
}
}
afh.Collections.DictionaryP <string, FrameHeader> headers = FrameHeader.GetFrameHeaders(data);
this.frames = headers.Map <Frame>(Frame.CreateFrame);
#if DEBUG
__dll__.log.RemoveIndent();
foreach (Gen::KeyValuePair <string, Frame> pair in this.frames)
{
__dll__.log.WriteLine("Frame---");
__dll__.log.AddIndent();
__dll__.log.WriteVar("FrameID", pair.Key);
__dll__.log.WriteVar("FrameType", pair.Value.GetType().FullName);
//__dll__.log.WriteVar("Discards on TagChange",pair.Value.discardOnAlteringTag.ToString());
//__dll__.log.WriteVar("Discards on FileChange",pair.Value.discardOnAlteringFile.ToString());
//__dll__.log.WriteVar("ReadOnly",pair.Value.readOnly.ToString());
//__dll__.log.WriteVar("Compressed",pair.Value.compression.ToString());
//__dll__.log.WriteVar("Encrypted",pair.Value.encryption.ToString());
//__dll__.log.WriteVar("Grouping",pair.Value.grouping.ToString());
if (pair.Value is ID3v2_3_.TextInformationFrame)
{
__dll__.log.WriteVar("TextContent", ((ID3v2_3_.TextInformationFrame)pair.Value).Text);
}
__dll__.log.RemoveIndent();
}
__dll__.log.Unlock();
#endif
}
public static void type分岐3_準備(afh.Application.Log log)
{
afh.Collections.DictionaryP <int, System.Type> dic = null;
afh.Collections.DictionaryP <int, System.Type> dic0;
int minwrap = int.MaxValue;
int minshift = 0;
for (int shift = 0; shift <= 28; shift++)
{
int wrap = type分岐3_準備1(shift, out dic0);
if (wrap < minwrap)
{
dic = dic0;
minwrap = wrap;
minshift = shift;
}
}
log.Lock();
if (minshift == 0)
{
log.WriteLine("switch(t.Name.GetHashCode()&0xf){");
}
else
{
log.WriteLine("switch((t.Name.GetHashCode()>>{0})&0xf){{", minshift);
}
log.AddIndent();
int c = 1;
for (int i = 0; i <= 0xf; i++)
{
// case i:
System.Text.StringBuilder build = new System.Text.StringBuilder();
build.AppendFormat("case {0}:", i);
bool _else = false;
foreach (System.Type type in dic[i])
{
if (_else)
{
build.Append("else ");
}
build.AppendFormat("if(t==typeof({0})){{\r\n", afh.Types.CSharpName(type));
build.AppendFormat(" c+={0};\r\n", c++);
build.Append(" }");
_else = true;
}
build.Append("break;");
log.WriteLine(build.ToString());
}
log.RemoveIndent();
log.WriteLine("}");
log.Unlock(); //*/
}
/// <summary>
/// Frame 情報が並んだデータを持つ BinarySubstr から FrameHeader の集合を読み取ります。
/// </summary>
/// <param name="data">Frame 情報が並んだデータを参照する BinarySubstr を指定します。</param>
/// <returns>読み取った FrameHeader の集合を返します。</returns>
public static afh.Collections.DictionaryP <string, FrameHeader> GetFrameHeaders(BinarySubstr data)
{
FrameHeader fheader;
afh.Collections.DictionaryP <string, FrameHeader> dic = new afh.Collections.DictionaryP <string, FrameHeader>();
while (null != (fheader = ReadFrameHeader(data)))
{
dic.Add(fheader.frameId, fheader);
}
return(dic);
}
private static int type分岐3_準備1(int shift, out afh.Collections.DictionaryP <int, System.Type> dic)
{
dic = new afh.Collections.DictionaryP <int, System.Type>();
int wrap = 0;
foreach (System.Type t in types)
{
int key = (t.Name.GetHashCode() >> shift) & 0xf;
if (dic.ContainsKey(key))
{
wrap++;
}
dic.Add(key, t);
}
return(wrap);
}
