/// <summary>
/// Creates a new EWFInfo helper class from filePath.
/// </summary>
/// <param name="filePath">The path of the EWF file.</param>
public EWFInfo(string filePath)
{
FilePath = filePath;
using (FileStream fs = File.OpenRead(filePath))
{
fs.Seek(0, SeekOrigin.Begin);
byte[] buff = new byte[13];
fs.Read(buff, 0, 13);
EWFHeader ewfHeader = new EWFHeader(buff);
while (fs.Position < fs.Length)
{
buff = new byte[76];
fs.Read(buff, 0, 76);
SectionDescriptor sd = new SectionDescriptor(buff, fs.Position - 76);
switch (sd.SectionType)
{
case SECTION_TYPE.header:
case SECTION_TYPE.header2:
// Save the header
buff = new byte[sd.NextSectionOffset - fs.Position];
fs.Read(buff, 0, sd.NextSectionOffset - (int)fs.Position);
HeaderSection = new Section.Header2(buff);
break;
case SECTION_TYPE.volume:
case SECTION_TYPE.disk:
case SECTION_TYPE.data:
// Save the volume
buff = new byte[sd.NextSectionOffset - fs.Position];
fs.Read(buff, 0, sd.NextSectionOffset - (int)fs.Position);
VolumeSection = new Section.Volume(buff);
break;
case SECTION_TYPE.next:
case SECTION_TYPE.done:
fs.Seek(76, SeekOrigin.Current);
break;
default:
fs.Seek(sd.NextSectionOffset - (int)fs.Position, SeekOrigin.Current);
break;
}
if (HeaderSection != null && VolumeSection != null)
{
break;
}
}
}
if (HeaderSection == null || VolumeSection == null)
{
throw new Exception("file missing header or volume section");
}
}
/// <summary>
/// Creates a new EWFInfo helper class from filePath.
/// </summary>
/// <param name="filePath">The path of the EWF file.</param>
public EWFInfo(string filePath)
{
FilePath = filePath;
using (FileStream fs = File.OpenRead(filePath))
{
fs.Seek(0, SeekOrigin.Begin);
byte[] buff = new byte[13];
fs.Read(buff, 0, 13);
EWFHeader ewfHeader = new EWFHeader(buff);
while (fs.Position < fs.Length)
{
buff = new byte[76];
fs.Read(buff, 0, 76);
SectionDescriptor sd = new SectionDescriptor(buff, fs.Position - 76);
switch (sd.SectionType)
{
case SECTION_TYPE.header:
case SECTION_TYPE.header2:
// Save the header
buff = new byte[sd.NextSectionOffset - fs.Position];
fs.Read(buff, 0, sd.NextSectionOffset - (int)fs.Position);
HeaderSection = new Section.Header2(buff);
break;
case SECTION_TYPE.volume:
case SECTION_TYPE.disk:
case SECTION_TYPE.data:
// Save the volume
buff = new byte[sd.NextSectionOffset - fs.Position];
fs.Read(buff, 0, sd.NextSectionOffset - (int)fs.Position);
VolumeSection = new Section.Volume(buff);
break;
case SECTION_TYPE.next:
case SECTION_TYPE.done:
fs.Seek(76, SeekOrigin.Current);
break;
default:
fs.Seek(sd.NextSectionOffset - (int)fs.Position, SeekOrigin.Current);
break;
}
if (HeaderSection != null && VolumeSection != null)
break;
}
}
if (HeaderSection == null || VolumeSection == null)
throw new Exception("file missing header or volume section");
}
