|
private ReadFromFile ( |
||
| stream | The FileStream reading the file. It should support both seeking and reading. | |
| Результат | bool | |
/// <summary>
/// Writes the information provided in the TagInformation object
/// to the given FileStream in ID3v1.1 format.
/// </summary>
/// <param name="stream">The FileStream that can read and write to the file. Must also support seeking.</param>
/// <param name="tag">The TagInformation object containing the tag information. </param>
private void WriteToFile(FileStream stream)
{
if(!(stream.CanRead && stream.CanSeek && stream.CanSeek))
throw (new ArgumentException("The passed Stream object must support seeking, reading and writing."));
ID3v1Tag tagInformation=new ID3v1Tag();
if(!tagInformation.ReadFromFile(stream))
stream.Seek(stream.Length, SeekOrigin.Begin);
else
stream.Seek(stream.Length-128, SeekOrigin.Begin);
stream.Write(Encoding.GetEncoding("ISO-8859-1").GetBytes("TAG"), 0, 3);
byte[] b=new byte[0];
if(Title!="")
b=Encoding.GetEncoding("ISO-8859-1").GetBytes(Title);
for(int i=0;i<30;i++)
{
if(i<b.Length)
stream.WriteByte(b[i]);
else
stream.WriteByte(0);
}
b=new byte[0];
if(Artist!="")
b=Encoding.GetEncoding("ISO-8859-1").GetBytes(Artist);
for(int i=0;i<30;i++)
{
if(i<b.Length)
stream.WriteByte(b[i]);
else
stream.WriteByte(0);
}
b=new byte[0];
if(Album!="")
b=Encoding.GetEncoding("ISO-8859-1").GetBytes(Album);
for(int i=0;i<30;i++)
{
if(i<b.Length)
stream.WriteByte(b[i]);
else
stream.WriteByte(0);
}
b=new byte[0];
if(Year!="")
b=Encoding.GetEncoding("ISO-8859-1").GetBytes(Year);
for(int i=0;i<4;i++)
{
if(i<b.Length)
stream.WriteByte(b[i]);
else
stream.WriteByte(0);
}
b=new byte[0];
if(Comment!="")
b=Encoding.GetEncoding("ISO-8859-1").GetBytes(Comment);
for(int i=0;i<28;i++)
{
if(i<b.Length)
stream.WriteByte(b[i]);
else
stream.WriteByte(0);
}
stream.WriteByte(0);
stream.WriteByte(TrackNumber);
stream.WriteByte(GenreCode);
}
/// <summary>
/// Writes the information provided in the TagInformation object
/// to the given FileStream in ID3v1.1 format.
/// </summary>
/// <param name="stream">The FileStream that can read and write to the file. Must also support seeking.</param>
/// <param name="tag">The TagInformation object containing the tag information. </param>
private void WriteToFile(FileStream stream)
{
if (!(stream.CanRead && stream.CanSeek && stream.CanSeek))
{
throw (new ArgumentException("The passed Stream object must support seeking, reading and writing."));
}
ID3v1Tag tagInformation = new ID3v1Tag();
if (!tagInformation.ReadFromFile(stream))
{
stream.Seek(stream.Length, SeekOrigin.Begin);
}
else
{
stream.Seek(stream.Length - 128, SeekOrigin.Begin);
}
stream.Write(Encoding.GetEncoding("ISO-8859-1").GetBytes("TAG"), 0, 3);
byte[] b = new byte[0];
if (Title != "")
{
b = Encoding.GetEncoding("ISO-8859-1").GetBytes(Title);
}
for (int i = 0; i < 30; i++)
{
if (i < b.Length)
{
stream.WriteByte(b[i]);
}
else
{
stream.WriteByte(0);
}
}
b = new byte[0];
if (Artist != "")
{
b = Encoding.GetEncoding("ISO-8859-1").GetBytes(Artist);
}
for (int i = 0; i < 30; i++)
{
if (i < b.Length)
{
stream.WriteByte(b[i]);
}
else
{
stream.WriteByte(0);
}
}
b = new byte[0];
if (Album != "")
{
b = Encoding.GetEncoding("ISO-8859-1").GetBytes(Album);
}
for (int i = 0; i < 30; i++)
{
if (i < b.Length)
{
stream.WriteByte(b[i]);
}
else
{
stream.WriteByte(0);
}
}
b = new byte[0];
if (Year != "")
{
b = Encoding.GetEncoding("ISO-8859-1").GetBytes(Year);
}
for (int i = 0; i < 4; i++)
{
if (i < b.Length)
{
stream.WriteByte(b[i]);
}
else
{
stream.WriteByte(0);
}
}
b = new byte[0];
if (Comment != "")
{
b = Encoding.GetEncoding("ISO-8859-1").GetBytes(Comment);
}
for (int i = 0; i < 28; i++)
{
if (i < b.Length)
{
stream.WriteByte(b[i]);
}
else
{
stream.WriteByte(0);
}
}
stream.WriteByte(0);
stream.WriteByte(TrackNumber);
stream.WriteByte(GenreCode);
}
